/* ============================================================
   MEDK Fitness Equipment — 复刻站设计系统
   Design Tokens · Components · Layout · Responsive
   ============================================================ */

:root {
  /* Color Tokens */
  --brand-50:  #22304a;
  --brand-100: #2a3a57;
  --brand-300: #66b5ff;
  --brand-500: #0085ff;
  --brand-600: #0177e3;
  --brand-700: #66b5ff;

  --ink-900: #0b1220;
  --ink-800: #111a2b;
  --ink-700: #1b2740;
  --ink-100: #eef2f7;
  --ink-050: #1c2535;

  --gray-700: #cbd5e1;
  --gray-500: #94a3b8;
  --gray-300: #d1d5db;
  --gray-200: #33415a;

  --accent: #0177e3;
  --accent-600: #015ca8;

  /* Dark theme surface & border tokens */
  --border-dark:   #33415a;
  --border-strong: rgb(255 255 255 / 0.28);
  --surface-2:     #232e42;

  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-error:   #ef4444;

  /* Typography Tokens */
  --font-family-primary: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing Tokens (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Shadow Tokens */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.06);
  --shadow-md: 0 4px 10px -1px rgb(0 0 0 / 0.12);
  --shadow-lg: 0 12px 24px -6px rgb(0 0 0 / 0.18);

  /* Transition Tokens */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-full: 999px;

  --container: 1440px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--ink-050);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-300); text-decoration: none; }
a:hover { text-decoration: none; }

h1, h2, h3, h4, h5, h6 {
  color: var(--ink-100);
  line-height: 1.25;
  font-weight: 700;
}
h6 { font-size: var(--font-size-sm); letter-spacing: 0.04em; }

ul { list-style: none; }

/* ---------- Utilities ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 1024px) {
  .container { padding-inline: var(--space-8); }
}

.section { padding-block: var(--space-16); }
.section--tight { padding-block: var(--space-12); }
.section--dark { background: var(--ink-900); color: var(--ink-100); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-300);
  margin-bottom: var(--space-3);
}
.section--dark .eyebrow { color: var(--brand-300); }

.section-head { max-width: 720px; margin-bottom: var(--space-12); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-title { font-size: var(--font-size-4xl); margin-bottom: var(--space-4); }
.section-desc { font-size: var(--font-size-lg); color: var(--gray-500); }
.section--dark .section-desc { color: var(--gray-300); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: 0.8rem 1.75rem;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }

.btn--primary {
  background: var(--brand-500);
  color: #fff;
}
.btn--primary:hover:not(:disabled) {
  background: var(--brand-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
}
.btn--accent:hover:not(:disabled) {
  background: var(--accent-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 2px solid rgb(255 255 255 / 0.55);
}
.btn--ghost:hover:not(:disabled) {
  background: rgb(255 255 255 / 0.12);
  border-color: #fff;
}

.btn--outline {
  background: transparent;
  color: var(--ink-100);
  border: 2px solid var(--border-strong);
}
.btn--outline:hover:not(:disabled) {
  border-color: var(--brand-600);
  color: var(--brand-700);
}

.btn--sm { padding: 0.5rem 1.25rem; font-size: var(--font-size-sm); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgb(11 18 32 / 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  font-weight: 800;
  font-size: var(--font-size-lg);
  letter-spacing: 0.02em;
}
.logo:hover { color: #fff; }
.logo img {
  display: block;
  height: 44px;
  width: auto;
  max-width: 260px;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
  transition: opacity var(--transition-fast);
}
.logo:hover img { opacity: 0.92; }

.main-nav { display: none; }
@media (min-width: 1024px) {
  .main-nav { display: flex; align-items: center; gap: var(--space-1); }
}
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ink-100);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.main-nav > li > a:hover,
.main-nav > li.active > a {
  background: rgb(255 255 255 / 0.1);
  color: #fff;
}
.nav-caret { width: 10px; height: 10px; fill: currentColor; opacity: 0.7; }

/* Dropdown (mega menu, single column) */
.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink-050);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}
/* Bridge the 10px gap so the menu stays open while the pointer
   travels from the nav item to the dropdown panel. */
.dropdown::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}
.main-nav li:hover .dropdown,
.main-nav li:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
}
/* 点击链接后强制关闭下拉，避免遮挡跳转后的页面 */
.main-nav li.is-closing .dropdown,
.main-nav li.is-closing:hover .dropdown,
.main-nav li.is-closing:focus-within .dropdown {
  opacity: 0 !important;
  visibility: hidden !important;
}
.dropdown li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--gray-700);
  font-size: var(--font-size-sm);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.dropdown li a:hover { background: var(--brand-50); color: var(--brand-700); }

/* Mega dropdown — product categories with sub-categories */
.dropdown--mega {
  min-width: 720px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-1);
  padding: var(--space-4);
}
.dropdown--mega a.dropdown__cat {
  font-weight: 700;
  color: var(--ink-100);
}
.dropdown--mega a.dropdown__cat:hover { background: var(--brand-50); color: var(--brand-700); }
.dropdown--mega .dropdown__sub { padding-left: var(--space-2); }
.dropdown--mega .dropdown__sub a {
  padding: 0.4rem 0.9rem;
  white-space: normal;
}

.header-cta { display: none; }
@media (min-width: 1024px) { .header-cta { display: inline-flex; } }

/* Mobile nav toggle */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  align-items: center;
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all var(--transition-fast);
}

/* Mobile drawer */
.mobile-nav {
  display: none;
  background: var(--ink-800);
  border-top: 1px solid rgb(255 255 255 / 0.08);
  padding: var(--space-4) var(--space-4) var(--space-8);
}
.mobile-nav.is-open { display: block; }
.mobile-nav a {
  display: block;
  color: var(--ink-100);
  padding: 0.7rem 0.5rem;
  font-weight: 500;
  border-bottom: 1px solid rgb(255 255 255 / 0.06);
}
.mobile-nav .sub a { padding-left: var(--space-6); font-size: var(--font-size-sm); color: var(--gray-300); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(900px 500px at 85% -10%, rgb(0 133 255 / 0.28), transparent 60%),
    radial-gradient(700px 420px at -5% 110%, rgb(0 133 255 / 0.18), transparent 55%),
    linear-gradient(160deg, var(--ink-900) 0%, var(--ink-800) 55%, #14213a 100%);
  color: #fff;
  padding-block: var(--space-16);
  overflow: hidden;
}
.hero__grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.05fr 0.95fr; }
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}
.hero h1 em {
  font-style: normal;
  color: var(--brand-300);
}
.hero h2 em {
  font-style: normal;
  color: var(--brand-300);
}
.hero__lead {
  font-size: var(--font-size-lg);
  color: var(--gray-300);
  max-width: 54ch;
  margin-bottom: var(--space-8);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
}
.badge {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--brand-300);
  background: rgb(0 133 255 / 0.12);
  border: 1px solid rgb(102 181 255 / 0.35);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.85rem;
}

/* Hero visual — SVG placeholder illustration */
.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(145deg, #16233c, #0d1526);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
}
.hero__visual svg { width: 100%; height: 100%; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__float {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  background: rgb(17 26 43 / 0.9);
  color: var(--ink-100);
  border: 1px solid rgb(255 255 255 / 0.12);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.1rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}
.hero__float strong { color: var(--brand-300); font-size: var(--font-size-xl); }

/* ---------- Hero Carousel ---------- */
.hero--carousel { padding-block: 0; }
.hero__track {
  display: flex;
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}
.hero__slide {
  flex: 0 0 100%;
  min-width: 100%;
  padding-block: var(--space-16);
}
.hero__slide-inner {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1024px) {
  .hero__slide-inner { grid-template-columns: 1.05fr 0.95fr; }
}
.hero__content { position: relative; z-index: 2; }

.hero__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1px solid rgb(255 255 255 / 0.2);
  background: rgb(11 18 32 / 0.5);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 5;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.hero__arrow:hover { background: rgb(11 18 32 / 0.85); border-color: #fff; }
.hero__arrow:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }
.hero__arrow--prev { left: var(--space-4); }
.hero__arrow--next { right: var(--space-4); }
@media (min-width: 1024px) {
  .hero__arrow--prev { left: var(--space-8); }
  .hero__arrow--next { right: var(--space-8); }
}

.hero__dots {
  position: absolute;
  left: 50%;
  bottom: var(--space-6);
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 5;
}
.hero__dots button {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  border: none;
  background: rgb(255 255 255 / 0.35);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.hero__dots button.is-active {
  background: var(--brand-500);
  transform: scale(1.25);
}
.hero__dots button:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }

@media (max-width: 767px) {
  .hero__arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__track { transition: none; }
}

/* ---------- Hero Banner: full-bleed background ---------- */
.hero--carousel .hero__slide {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(540px, 84vh, 820px);
  padding-block: clamp(96px, 13vh, 150px);
  background-color: var(--ink-900);
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
/* 深色渐变遮罩：左强右弱，保证文字对比度 ≥ 4.5:1 (WCAG AA) */
.hero--carousel .hero__slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(100deg, rgb(6 11 20 / 0.94) 0%, rgb(6 11 20 / 0.80) 34%, rgb(6 11 20 / 0.45) 64%, rgb(6 11 20 / 0.10) 90%),
    linear-gradient(180deg, rgb(6 11 20 / 0.30) 0%, transparent 32%);
  pointer-events: none;
}
/* 无图 slide：品牌深色渐变底 */
.hero--carousel .hero__slide--plain::before {
  background: linear-gradient(160deg, #0d1524 0%, #111d33 55%, #14213a 100%);
}
.hero--carousel .hero__slide-inner {
  position: relative;
  z-index: 1;
  grid-template-columns: 1fr;
  width: 100%;
}
.hero--carousel .hero__content { max-width: 720px; }
.hero--carousel .hero__visual,
.hero--carousel .hero__float { display: none; }
.hero--carousel h1,
.hero--carousel h2 {
  color: #fff;
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: var(--space-4);
  max-width: 20ch;
}
.hero--carousel .hero__lead {
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  max-width: 58ch;
}
.hero--carousel .hero__badges { margin-top: var(--space-8); }

/* 移动端：遮罩上浅下深，文字浮于中下部仍可读 */
@media (max-width: 767px) {
  .hero--carousel .hero__slide {
    min-height: 560px;
    background-position: center;
    padding-block: var(--space-12);
  }
  .hero--carousel .hero__slide::before {
    background: linear-gradient(180deg, rgb(6 11 20 / 0.45) 0%, rgb(6 11 20 / 0.72) 55%, rgb(6 11 20 / 0.94) 100%);
  }
  .hero--carousel .hero__content { max-width: 100%; }
  .hero--carousel .hero__dots { bottom: var(--space-4); }
}

/* hero 深色遮罩背景上的白色描边按钮变体：修复第二张 slide 的 Download Catalog 按钮隐形问题
   （.btn--outline 默认深色文字仅适用于浅底；此处保证白字 ≥4.5:1 对比，满足 WCAG AA） */
.hero--carousel .btn--outline {
  color: #fff;
  border-color: rgb(255 255 255 / 0.85);
  background: rgb(255 255 255 / 0.08);
  backdrop-filter: blur(2px);
}
.hero--carousel .btn--outline:hover:not(:disabled) {
  color: #fff;
  border-color: #fff;
  background: rgb(255 255 255 / 0.18);
}

/* ---------- Projects Section ---------- */
.projects-section { overflow: hidden; }
.projects-title {
  color: #fff;
  text-align: center;
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-12);
  letter-spacing: -0.01em;
}
.projects-marquee {
  overflow: hidden;
  position: relative;
  /* 两侧渐隐遮罩，让滚动更有质感 */
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}
.projects-marquee__track {
  display: flex;
  width: max-content;
  animation: projects-marquee 36s linear infinite;
}
.projects-marquee:hover .projects-marquee__track,
.projects-marquee:focus-within .projects-marquee__track {
  animation-play-state: paused;
}
@keyframes projects-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.project-card {
  flex: 0 0 clamp(280px, 30vw, 420px);
  margin-right: var(--space-6);
  text-align: center;
}
.project-card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-800);
}
.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease;
}
.project-card:hover .project-card__media img { transform: scale(1.04); }
.project-card__caption {
  padding-top: var(--space-6);
  color: var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.project-card__name {
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.project-card__desc {
  color: var(--gray-300);
  font-size: var(--font-size-sm);
  line-height: 1.65;
  max-width: 40ch;
  margin: 0 auto;
}
@media (prefers-reduced-motion: reduce) {
  .project-card__media img { transition: none; }
  .projects-marquee__track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    padding-inline: var(--space-4);
  }
  .projects-marquee { -webkit-mask-image: none; mask-image: none; }
}

/* ---------- News Section ---------- */
.news-section { overflow: hidden; }
.news-title {
  color: #fff;
  text-align: center;
  font-size: clamp(2rem, 4.2vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-12);
  letter-spacing: -0.01em;
}
.news-carousel {
  position: relative;
}
.news-carousel__track {
  display: flex;
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1);
}
.news-card {
  flex: 0 0 100%;
  min-width: 100%;
  padding-inline: var(--space-4);
  text-align: center;
}
@media (min-width: 768px) {
  .news-card {
    flex: 0 0 50%;
    min-width: 50%;
  }
}
@media (min-width: 1024px) {
  .news-card {
    flex: 0 0 calc(100% / 3);
    min-width: calc(100% / 3);
  }
}
.news-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  margin-bottom: var(--space-6);
}
.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms ease;
}
.news-card:hover .news-card__media img { transform: scale(1.04); }
.news-card__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.news-card__title {
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  line-height: 1.4;
  max-width: 42ch;
  margin: 0 auto;
}
.news-card .btn {
  background: #0ea5e9;
  color: #fff;
  border: none;
}
.news-card .btn:hover:not(:disabled) {
  background: #0284c7;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.news-carousel__arrow {
  position: absolute;
  top: 35%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 1px solid rgb(255 255 255 / 0.2);
  background: rgb(11 18 32 / 0.5);
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 5;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.news-carousel__arrow:hover { background: rgb(11 18 32 / 0.85); border-color: #fff; }
.news-carousel__arrow:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }
.news-carousel__arrow--prev { left: 0; }
.news-carousel__arrow--next { right: 0; }
@media (min-width: 1024px) {
  .news-carousel__arrow--prev { left: var(--space-2); }
  .news-carousel__arrow--next { right: var(--space-2); }
}
@media (max-width: 767px) {
  .news-carousel__arrow { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .news-carousel__track { transition: none; }
  .news-card__media img { transition: none; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.card__body { padding: var(--space-6); flex: 1; display: flex; flex-direction: column; gap: var(--space-3); }
.card__title { font-size: var(--font-size-xl); }
.card__text { color: var(--gray-500); font-size: var(--font-size-sm); }

.card__thumb {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}
.card__thumb:hover img { transform: scale(1.04); }
.card__thumb svg { width: 100%; height: 100%; }
.card__tag {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: rgb(11 18 32 / 0.85);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(4px);
}

.key-products {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  background: var(--brand-50);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  line-height: 1.8;
}
.key-products strong { color: var(--brand-700); }
.card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- What We Offer (alternating rows) ---------- */
.offer-list { display: grid; gap: var(--space-16); }
.offer-row {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 1024px) {
  .offer-row { grid-template-columns: 1fr 1fr; }
  .offer-row--reverse .offer-row__media { order: 2; }
  .offer-row--reverse .offer-row__body { order: 1; }
}
.offer-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-050);
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.offer-row__media svg,
.offer-row__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.offer-row__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.offer-row__tag {
  display: inline-block;
  width: fit-content;
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-700);
  background: var(--brand-100);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
}
.offer-row__body h3 { font-size: var(--font-size-2xl); }
.offer-row__text { color: var(--gray-500); }
.offer-row__body .btn { align-self: flex-start; margin-top: var(--space-2); }

/* Grids */
.grid { display: grid; gap: var(--space-6); }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 640px) {
  .grid--2, .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* Product card */
.product-card { text-align: left; }
.product-card .card__thumb { aspect-ratio: 1 / 1; }
.product-card .card__title { font-size: var(--font-size-base); line-height: 1.45; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: var(--ink-800);
  border: 1px solid rgb(255 255 255 / 0.09);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}
.stat__num {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--brand-300);
  line-height: 1.1;
}
.stat__label { margin-top: var(--space-2); font-size: var(--font-size-sm); color: var(--gray-300); }
.stat__hint { font-size: var(--font-size-xs); color: var(--gray-500); margin-top: var(--space-1); }

.chips { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: center; margin-top: var(--space-8); }
.chip {
  background: rgb(255 255 255 / 0.07);
  border: 1px solid rgb(255 255 255 / 0.15);
  color: var(--ink-100);
  border-radius: var(--radius-full);
  padding: 0.45rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
}

/* ---------- Feature list (icon rows) ---------- */
.feature-row {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}
.feature-row:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-row__icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: var(--font-size-lg);
}
.feature-row h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-1); }
.feature-row p { font-size: var(--font-size-sm); color: var(--gray-500); }

/* ---------- Clients & Services (dark, logos row + service cards row) ---------- */
.section--dark-clients {
  background: linear-gradient(180deg, #14213d 0%, #1b2745 100%);
  color: var(--gray-100);
}
.section--dark-clients .clients-title {
  color: #ffffff;
  font-weight: 700;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}
.section--dark-clients .clients-subtitle {
  color: var(--brand-300);
  font-weight: 600;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-3);
}
.section--dark-clients .clients-desc {
  color: var(--gray-300);
  max-width: 56ch;
  margin: 0 auto;
  font-size: var(--font-size-base);
  line-height: 1.7;
  text-align: center;
}

.clients-logos {
  list-style: none;
  margin: var(--space-12) 0 var(--space-16);
  padding: 0;
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px)  { .clients-logos { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .clients-logos { grid-template-columns: repeat(5, 1fr); gap: var(--space-6); } }
.clients-logo {
  display: grid;
  place-items: center;
  height: 92px;
  border-radius: var(--radius-sm);
  background: transparent;
  transition: transform var(--transition-fast);
}
.clients-logo:hover { transform: translateY(-2px); }
.clients-logo svg {
  max-width: 100%;
  max-height: 88px;
  display: block;
}
.clients-logo img {
  max-width: 100%;
  max-height: 88px;
  width: auto;
  height: auto;
  display: block;
}

.clients-services {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .clients-services { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .clients-services { grid-template-columns: repeat(4, 1fr); } }
.client-service {
  display: flex;
  flex-direction: column;
  text-align: left;
}
.client-service__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--ink-700);
  margin-bottom: var(--space-4);
}
.client-service__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.client-service:hover .client-service__media img { transform: scale(1.04); }
.client-service__title {
  color: #ffffff;
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-2);
  line-height: 1.4;
}
.client-service__desc {
  color: var(--gray-300);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  margin: 0;
}

@media (prefers-reduced-motion: reduce) {
  .client-service__media img { transition: none; }
}

/* ---------- Split layout ---------- */.split {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}
@media (min-width: 1024px) { .split { grid-template-columns: 1fr 1fr; } }

/* Numbered process steps */
.steps { display: grid; gap: var(--space-6); counter-reset: step; }
.step {
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
}
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--brand-300);
  display: block;
  margin-bottom: var(--space-2);
}
.step h3 { font-size: var(--font-size-lg); margin-bottom: var(--space-2); }
.step p { font-size: var(--font-size-sm); color: var(--gray-500); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background:
    radial-gradient(700px 400px at 90% 0%, rgb(0 133 255 / 0.22), transparent 60%),
    linear-gradient(160deg, var(--ink-900), var(--ink-800));
  color: #fff;
  padding-block: var(--space-12);
}
.page-hero h1 { color: #fff; font-size: var(--font-size-4xl); }
.page-hero p { color: var(--gray-300); margin-top: var(--space-3); max-width: 60ch; }
.breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin: 0;
}
.breadcrumb a { color: var(--brand-300); }
.breadcrumb a:hover { color: var(--brand-700); text-decoration: underline; }
.breadcrumb__sep { margin-inline: var(--space-2); opacity: 0.7; }
.breadcrumb-current { color: var(--gray-700); font-weight: 500; }

/* Breadcrumb strip below page banner */
.breadcrumb-bar {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
  padding-block: var(--space-3);
}

/* ---------- Blog / news cards ---------- */
.post-card .card__meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.post-card .card__title { font-size: var(--font-size-lg); }
.post-card .card__date { font-size: var(--font-size-xs); color: var(--gray-500); }
.post-card .card__excerpt { font-size: var(--font-size-sm); color: var(--gray-500); }

/* ---------- FAQ (accordion) ---------- */
.faq-list { max-width: 860px; margin-inline: auto; }
.faq-item {
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
}
.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--ink-100);
  text-align: left;
  padding: var(--space-4) var(--space-6);
  min-height: 48px;
}
.faq-item__q::after {
  content: "+";
  font-size: var(--font-size-xl);
  font-weight: 400;
  color: var(--brand-300);
  flex: none;
  transition: transform var(--transition-fast);
}
.faq-item.is-open .faq-item__q::after { transform: rotate(45deg); }
.faq-item__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  padding: 0 var(--space-6);
}
.faq-item.is-open .faq-item__a {
  max-height: 320px;
  padding-bottom: var(--space-4);
}

/* ---------- About section (text + lead) ---------- */
.about-lead {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--ink-100);
  margin-bottom: var(--space-3);
}
.about-list { list-style: disc; padding-left: 1.4rem; color: var(--gray-700); font-size: var(--font-size-sm); display: grid; gap: var(--space-2); }
.about-list li::marker { color: var(--brand-300); }
.about-point {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.about-point__icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--brand-50);
  color: var(--brand-700);
  display: grid;
  place-items: center;
  font-weight: 800;
}
.about-point h4 { font-size: var(--font-size-base); margin-bottom: var(--space-1); }
.about-point p { font-size: var(--font-size-sm); color: var(--gray-500); }

/* ---------- Contact page ---------- */
.contact-kicker { font-size: var(--font-size-sm); color: var(--gray-500); margin-bottom: var(--space-2); }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .full { grid-column: 1 / -1; } }

.form-input, .form-select, .form-textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--font-size-base);
  color: var(--ink-100);
  background: var(--ink-050);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  padding: 0.75rem var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgb(0 133 255 / 0.15);
}
.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--ink-100);
  margin-bottom: var(--space-2);
}

.contact-panel {
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}

.info-list { display: grid; gap: var(--space-6); }
.info-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.info-item__icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--brand-50);
  color: var(--brand-700);
  display: grid;
  place-items: center;
}
.info-item h3 { font-size: var(--font-size-base); margin-bottom: 2px; }
.info-item p, .info-item a { font-size: var(--font-size-sm); color: var(--gray-500); }

/* ---------- Quote modal (Get a Quote popup) ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(11 18 32 / 0.66);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  padding: var(--space-4);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.modal-overlay.is-open { opacity: 1; visibility: visible; }
.modal {
  background: var(--ink-050);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  padding: var(--space-8);
  position: relative;
  transform: translateY(12px);
  transition: transform var(--transition-normal);
}
.modal-overlay.is-open .modal { transform: translateY(0); }
.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--gray-200);
  color: var(--ink-100);
  font-size: var(--font-size-lg);
  cursor: pointer;
  line-height: 1;
}
.modal__close:hover { background: var(--border-dark); }
.modal h3 { font-size: var(--font-size-2xl); margin-bottom: var(--space-2); }
.modal > p { font-size: var(--font-size-sm); color: var(--gray-500); margin-bottom: var(--space-6); }

/* ---------- Floating WhatsApp ---------- */
.whatsapp-fab {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  transition: transform var(--transition-fast);
}
.whatsapp-fab:hover { transform: scale(1.08); color: #fff; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink-900);
  color: var(--gray-300);
  padding-block: var(--space-16) var(--space-8);
}
.footer-grid {
  display: grid;
  gap: var(--space-12);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.15fr 0.85fr; gap: var(--space-16); }
}
.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.footer-about__text {
  font-size: var(--font-size-sm);
  max-width: 56ch;
  line-height: 1.7;
  color: var(--gray-300);
}

.footer-contact {
  display: grid;
  gap: var(--space-2);
  list-style: none;
}
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--gray-300);
}
.footer-contact li svg {
  flex: none;
  margin-top: 0.3rem;
  color: var(--brand-300);
}
.footer-contact a { color: var(--gray-300); }
.footer-contact a:hover { color: var(--brand-300); }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  list-style: none;
  border-top: 1px solid rgb(255 255 255 / 0.08);
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
  padding-block: var(--space-4);
}
.footer-nav a {
  color: var(--gray-300);
  font-size: var(--font-size-sm);
  font-weight: 500;
}
.footer-nav a:hover { color: var(--brand-300); }

.social-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
}
.social-links__item {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgb(255 255 255 / 0.08);
  color: #fff;
  transition: transform var(--transition-fast), background var(--transition-fast);
}
.social-links__item:hover {
  transform: translateY(-2px);
  color: #fff;
}
.social-links__item--facebook:hover { background: #1877f2; }
.social-links__item--twitter:hover { background: #0f1419; }
.social-links__item--pinterest:hover { background: #bd081c; }
.social-links__item--linkedin:hover { background: #0a66c2; }

.footer-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 260px;
  background: var(--ink-800);
}
.footer-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
}
@media (min-width: 1024px) {
  .footer-visual { min-height: 420px; }
}

.site-footer h4 {
  color: #fff;
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}
.site-footer ul li { margin-bottom: var(--space-2); }
.site-footer a { color: var(--gray-300); font-size: var(--font-size-sm); }
.site-footer a:hover { color: var(--brand-300); }
.footer-bottom {
  border-top: 1px solid rgb(255 255 255 / 0.08);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* ---------- Category page hero ---------- */
.page-hero--category {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: stretch;
  padding-block: var(--space-12) var(--space-16);
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgb(11 18 32 / 0.55), rgb(11 18 32 / 0.8));
}
.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}
.page-hero__center {
  margin-block: auto;
  text-align: center;
}
.page-hero__title {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-hero__intro {
  color: rgb(255 255 255 / 0.85);
  font-size: var(--font-size-lg);
  line-height: 1.6;
  max-width: 62ch;
  margin: var(--space-4) auto 0;
}

/* Taller banner (Project page) */
.page-hero--tall { min-height: 520px; }
.page-hero .hero__actions {
  justify-content: center;
  margin-top: var(--space-8);
}

/* ---------- Project rows (zigzag media + copy) ---------- */
.project-rows {
  margin-top: 64px;
  display: flex;
  flex-direction: column;
  gap: 88px;
}
.project-row {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.project-row__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-lg);
}
.project-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.project-row:hover .project-row__media img { transform: scale(1.04); }
.project-row__title {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-block: 0 var(--space-3);
}
.project-row__text {
  color: var(--gray-500);
  font-size: var(--font-size-base);
  line-height: 1.75;
  max-width: 52ch;
  margin-bottom: 28px;
}
.project-row--reverse .project-row__media { order: 2; }

@media (max-width: 899px) {
  .project-rows { gap: 56px; }
  .project-row { grid-template-columns: 1fr; gap: var(--space-6); }
  .project-row--reverse .project-row__media { order: 0; }
  .project-row__text { max-width: none; }
}

/* ---------- Catalog layout ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.catalog-section { background: var(--ink-050); }
.catalog-layout {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 1024px) {
  .catalog-layout { grid-template-columns: 280px 1fr; gap: var(--space-12); }
}

/* Sidebar */
.catalog-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.catalog-search {
  position: relative;
}
.catalog-search__icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-500);
  pointer-events: none;
}
.catalog-search .form-input {
  padding-left: 2.6rem;
  background: var(--ink-050);
  border-color: var(--border-dark);
  border-radius: var(--radius-md);
}

.category-menu {
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-8);
  box-shadow: var(--shadow-sm);
}
.category-menu__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
  color: var(--ink-100);
}
.category-menu__list { display: flex; flex-direction: column; gap: var(--space-1); }
.category-menu__list button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.category-menu__list button:hover { background: var(--brand-50); color: var(--brand-700); }
.category-menu__list button.is-active {
  background: var(--brand-500);
  color: #fff;
}

/* Hover flyout category menu (sidebar) */
[hidden] { display: none !important; } /* 防止类选择器的 display 覆盖 hidden 属性 */
.catmenu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.catmenu__li { position: relative; }
.catmenu__li + .catmenu__li { border-top: 1px solid var(--gray-200); }
.catmenu__item {
  width: 100%;
  display: block;
  text-align: left;
  background: none;
  border: none;
  padding: 0.7rem 0.9rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.catmenu__item:hover { background: var(--brand-50); color: var(--brand-600); }
.catmenu__item.is-active { color: var(--brand-600); background: var(--brand-50); font-weight: 600; }

/* chevron trigger (hover shows flyout; tap toggles on touch) */
.catmenu__arrow {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0.35rem;
  color: var(--gray-400);
  cursor: pointer;
  line-height: 0;
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.catmenu__li.has-sub .catmenu__item { padding-right: 2.3rem; }
.catmenu__li.has-sub:hover .catmenu__arrow { color: var(--brand-600); }
.catmenu__li.has-sub.is-open .catmenu__arrow { transform: translateY(-50%) rotate(90deg); }

/* sub-category flyout panel (white surface — fixed light colors) */
.catmenu__flyout {
  display: none;
  position: absolute;
  left: 100%;
  top: -1px;
  min-width: 180px;
  margin: 0;
  padding: 0.4rem 0;
  list-style: none;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 24px -6px rgb(0 0 0 / 0.35);
  z-index: 60;
}
.catmenu__li.has-sub:hover > .catmenu__flyout,
.catmenu__li.has-sub.is-open > .catmenu__flyout,
.catmenu__li.has-sub:focus-within > .catmenu__flyout { display: block; }
.catmenu__subitem {
  width: 100%;
  display: block;
  text-align: left;
  background: none;
  border: none;
  padding: 0.55rem 1.1rem;
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: #374151;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.catmenu__subitem:hover { background: #f0f6ff; color: var(--brand-600); }
.catmenu__subitem.is-active { color: var(--brand-600); font-weight: 600; }

@media (max-width: 768px) {
  /* 触屏：禁用 hover 展开，仅箭头点击展开，子分类内联缩进显示 */
  .catmenu__li.has-sub:hover > .catmenu__flyout,
  .catmenu__li.has-sub:focus-within > .catmenu__flyout { display: none; }
  .catmenu__li.has-sub.is-open > .catmenu__flyout {
    display: block;
    position: static;
    border: none;
    box-shadow: none;
    border-left: 2px solid var(--gray-200);
    border-radius: 0;
    margin: 0 0 0 0.9rem;
    min-width: 0;
  }
}

/* Sub-category sidebar menu */
.category-menu--sub { margin-top: var(--space-4); }
.category-menu__title--sub {
  font-size: var(--font-size-base);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--gray-200);
}
.category-menu__list--sub button {
  padding: 0.5rem 0.9rem;
  font-weight: 400;
  color: var(--gray-600);
}
.category-menu__list--sub button.is-active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 600;
}

/* Main area */
.catalog-main { min-width: 0; }
.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.catalog-results {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  margin: 0;
}
.catalog-sort .form-select {
  min-width: 220px;
  background: var(--ink-050);
  cursor: pointer;
}

/* Search status bar */
.search-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-6);
  background: var(--ink-050);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--brand-500);
  border-radius: var(--radius-sm);
}
.search-status__text {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}
.search-status__text strong { color: var(--ink-100); }
.search-status__clear {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  border: none;
  background: none;
  padding: 0;
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--brand-300);
  cursor: pointer;
}
.search-status__clear:hover { color: var(--brand-700); text-decoration: underline; }
.search-hit {
  background: rgb(250 204 21 / 0.45);
  color: inherit;
  padding-inline: 0.12em;
  border-radius: 2px;
}

.catalog-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .catalog-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1280px) { .catalog-grid { grid-template-columns: repeat(4, 1fr); } }

.product-card--catalog { text-align: left; }
.product-card--catalog .card__thumb { aspect-ratio: 4 / 3; background: var(--ink-050); }
.product-card--catalog .card__body { gap: var(--space-3); }
.product-card--catalog .card__title {
  font-size: var(--font-size-base);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card--catalog .card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.product-card--catalog .card__title a:hover { color: var(--brand-300); }
.product-card--catalog:hover .card__thumb img { transform: scale(1.04); }
.product-card--catalog .card__thumb img { transition: transform var(--transition-base); }
.product-card__cat {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--brand-700);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.product-card__desc {
  margin: 0;
  color: var(--gray-500);
  font-size: var(--font-size-sm);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: auto;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--brand-300);
}
.product-card__link:hover { color: var(--brand-700); }

.product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-1);
}
.product-card__price {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--brand-700);
}
.product-card__rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}
.product-card__stars {
  display: inline-block;
  width: 70px;
  height: 14px;
  background: linear-gradient(90deg, #f59e0b calc(var(--rating) * 20%), #3a4a66 calc(var(--rating) * 20%));
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath fill='%23000' d='M10 1.6l2.5 5.1 5.6.8-4.1 4 .9 5.6L10 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L10 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L30 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L30 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L50 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L50 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L70 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L70 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L90 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L90 1.6z'/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath fill='%23000' d='M10 1.6l2.5 5.1 5.6.8-4.1 4 .9 5.6L10 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L10 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L30 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L30 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L50 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L50 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L70 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L70 1.6zm20 0l2.5 5.1 5.6.8-4.1 4 .9 5.6L90 14.3l-5 2.6.9-5.6-4.1-4 5.6-.8L90 1.6z'/%3E%3C/svg%3E");
  -webkit-mask-size: cover;
  mask-size: cover;
}

.catalog-empty {
  grid-column: 1 / -1;
  padding: var(--space-12);
  text-align: center;
  color: var(--gray-500);
  background: var(--ink-050);
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-md);
}

/* Pagination */
.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}
.pagination button {
  min-width: 40px;
  height: 40px;
  padding-inline: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: var(--ink-050);
  color: var(--gray-700);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pagination button:hover {
  border-color: var(--brand-500);
  color: var(--brand-700);
}
.pagination button.is-active {
  background: var(--brand-500);
  border-color: var(--brand-500);
  color: #fff;
}
.pagination button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.pagination button.pagination__nav {
  font-size: var(--font-size-lg);
  line-height: 1;
  padding-inline: 0.9rem;
}
.pagination__ellipsis {
  align-self: center;
  min-width: 24px;
  text-align: center;
  color: var(--gray-500);
}

/* ---------- Catalog banner ---------- */
.catalog-banner {
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  color: #fff;
  background:
    radial-gradient(600px 300px at 20% 0%, rgb(0 133 255 / 0.35), transparent 60%),
    linear-gradient(135deg, var(--ink-800), var(--ink-900));
}
.catalog-banner h2 { color: #fff; font-size: var(--font-size-3xl); margin-bottom: var(--space-3); }
.catalog-banner p { color: var(--gray-300); max-width: 60ch; margin: 0 auto var(--space-8); }

/* ---------- About page (video showcase / media rows / process / stats / CTA) ---------- */
.about-video-section { padding-block: var(--space-16) var(--space-12); }
.about-video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg);
}
.about-video__cover {
  position: absolute;
  inset: 0;
}
.about-video__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-video__cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgb(11 18 32 / 0.16);
}
.about-video__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 88px;
  height: 88px;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 12px 32px rgb(0 133 255 / 0.5);
  z-index: 2;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.about-video__play svg {
  width: 34px;
  height: 34px;
  fill: currentColor;
  margin-left: 4px; /* optical centering of play triangle */
}
.about-video__play:hover { background: var(--accent-600); transform: translate(-50%, -50%) scale(1.06); }
.about-video__play:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
.about-video__frame {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: #000;
}
.about-video__frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
@media (max-width: 719px) {
  .about-video__play { width: 66px; height: 66px; }
  .about-video__play svg { width: 26px; height: 26px; }
}

/* Who We Are / What We Do — split media + copy rows */
.about-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--gray-100);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-lg);
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.about-row:hover .about-media img { transform: scale(1.04); }
@media (min-width: 1024px) {
  .about-row { align-items: center; }
  .about-media { aspect-ratio: 1 / 1; }
}
.about-row__body .section-title { margin-bottom: var(--space-3); }
.about-row__body .about-lead { color: var(--brand-300); }
.about-text {
  color: var(--gray-500);
  font-size: var(--font-size-base);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.about-row__body .btn { margin-top: var(--space-2); }

/* Brand keyword highlight (matches original site accent, AA 4.5:1 on white) */
.hl { color: #66b5ff; font-weight: 700; }

/* Our Production Process — 2 / 3 column numbered steps */
.steps--3 { gap: var(--space-6); }
@media (min-width: 720px) { .steps--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .steps--3 { grid-template-columns: repeat(3, 1fr); } }

/* Stats — five-up layout */
.stats--5 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .stats--5 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .stats--5 { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 639px) { .stats--5 .stat:last-child { grid-column: 1 / -1; } }

/* About CTA panel */
.cta-about {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  align-items: center;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(520px 280px at 88% 0%, rgb(0 133 255 / 0.18), transparent 60%),
    linear-gradient(135deg, var(--ink-800), var(--ink-900));
  border-radius: var(--radius-lg);
  padding: var(--space-12) var(--space-8);
}
.cta-about__title {
  color: #fff;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}
.cta-about__text { color: var(--gray-300); line-height: 1.7; max-width: 60ch; }
.cta-about .btn { flex: none; }
@media (min-width: 900px) {
  .cta-about {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    gap: var(--space-8);
  }
}

/* ---------- Blog page (sidebar + posts grid) ---------- */
.blog-layout {
  display: grid;
  gap: var(--space-8);
  align-items: start;
}
.blog-sidebar {
  display: grid;
  gap: var(--space-8);
  align-content: start;
}
.blog-widget__title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-100);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--gray-200);
  position: relative;
}
.blog-widget__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 34px;
  height: 2px;
  background: var(--accent);
}
.blog-search {
  display: flex;
  gap: var(--space-2);
}
.blog-search .form-input {
  flex: 1 1 auto;
  min-width: 0;
}
.blog-search .btn { flex: none; }
.blog-cats {
  list-style: none;
  margin: 0;
  padding: 0;
}
.blog-cats li { margin: 0; }
.blog-cats__link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 11px 2px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--gray-200);
  font: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--gray-700);
  cursor: pointer;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}
.blog-cats__link:hover { color: var(--brand-300); padding-left: 6px; }
.blog-cats__link.is-active { color: var(--brand-300); font-weight: 700; }

.post-card .card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.post-card:hover .card__thumb img { transform: scale(1.04); }
.post-card .card__title a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
.post-card .card__title a:hover { color: var(--brand-300); }
.blog-grid .post-card.is-hidden { display: none; }
.blog-content { min-width: 0; }
.blog-empty {
  display: none;
  text-align: center;
  margin-top: var(--space-8);
  padding: var(--space-12) var(--space-8);
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--gray-500);
}
.blog-empty.is-visible { display: block; }
.blog-empty p { margin: 0; }

@media (min-width: 1024px) {
  .blog-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: var(--space-12);
  }
}

/* ---------- Contact page ---------- */
.contact-section {
  background: var(--ink-800);
  color: var(--ink-100);
}

/* Dark breadcrumb variant (contact page) — matches contact section background */
.breadcrumb-bar--dark {
  background: var(--ink-800);
  border-bottom: 1px solid var(--ink-700);
}
.breadcrumb-bar--dark .breadcrumb { color: var(--ink-100); }
.breadcrumb-bar--dark .breadcrumb a { color: var(--brand-300); }
.breadcrumb-bar--dark .breadcrumb a:hover { color: var(--brand-300); }
.breadcrumb-bar--dark .breadcrumb__sep { color: var(--ink-100); opacity: 0.5; }
.breadcrumb-bar--dark .breadcrumb-current { color: var(--ink-100); }

.contact-section h2,
.contact-section h3,
.contact-section h4,
.contact-section h6 { color: #fff; }

.contact-grid {
  display: grid;
  gap: var(--space-12);
  align-items: start;
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 1.25fr;
    gap: var(--space-16);
  }
}

.contact-info__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-8);
}

.contact-info__item {
  margin-bottom: var(--space-8);
}

.contact-info__item h6 {
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.contact-info__item p {
  color: var(--ink-100);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.contact-info__item a {
  color: var(--ink-100);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

.contact-info__item a:hover {
  color: #fff;
  border-bottom-color: var(--accent);
}

.contact-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.contact-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--ink-700);
  color: #fff;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-socials a:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.contact-socials svg {
  width: 18px;
  height: 18px;
}

.contact-form__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--space-6);
}

.contact-form .form-label {
  color: #fff;
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.contact-form .form-label .required {
  color: var(--color-error);
  margin-left: var(--space-1);
}

.contact-form .form-input,
.contact-form .form-textarea {
  background: var(--ink-900);
  border-color: var(--ink-700);
  color: #fff;
}

.contact-form .form-input::placeholder,
.contact-form .form-textarea::placeholder {
  color: var(--gray-500);
}

.contact-form .form-input:focus,
.contact-form .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(0 133 255 / 0.15);
}

.contact-form__submit {
  width: auto;
  min-width: 160px;
  background: #2563eb;
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-6);
  color: #fff;
  font-weight: 600;
  font-family: inherit;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact-form__submit:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.section--map {
  background: var(--ink-800);
  padding: 0;
}

.contact-map {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 35%;
  min-height: 280px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.contact-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 767px) {
  .contact-map { padding-bottom: 60%; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ============================================================
   Product Detail Page (/product/<slug>/)
   ============================================================ */

/* ---------- Hero: gallery + info ---------- */
.product-hero {
  background: var(--ink-050);
  padding: var(--space-12) 0;
}
.product-hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: start;
}

/* Gallery */
.product-gallery__main {
  background: var(--ink-800);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: var(--space-4);
}
.product-gallery__main img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}
.product-gallery__thumbs {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}
.product-gallery__thumb {
  width: 72px;
  height: 72px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  padding: 6px;
  cursor: pointer;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  overflow: hidden;
}
.product-gallery__thumb:hover { border-color: var(--brand-500); transform: translateY(-2px); }
.product-gallery__thumb.is-active { border-color: var(--brand-500); box-shadow: 0 0 0 2px rgba(0,133,255,0.18); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }

/* Info */
.product-info { color: var(--ink-100); }
.product-info__cat {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-300);
  background: rgba(0, 133, 255, 0.12);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}
.product-info__title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  margin: 0 0 var(--space-3);
  color: #fff;
  letter-spacing: -0.01em;
}
.product-info__rating { margin-bottom: var(--space-4); font-size: 14px; }
.product-info__rating .stars { color: #f59e0b; letter-spacing: 1px; }
.product-info__rating .star { opacity: 0.25; }
.product-info__rating .star.is-on { opacity: 1; }
.product-info__intro {
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0 0 var(--space-6);
}
.product-info__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.product-info__meta {
  list-style: none;
  margin: 0;
  padding: var(--space-5) 0 0;
  border-top: 1px solid var(--border-dark);
  display: grid;
  gap: var(--space-2);
  font-size: 14px;
  color: var(--gray-700);
}
.product-info__meta li { display: flex; gap: var(--space-2); }
.product-info__meta strong { color: var(--ink-100); min-width: 160px; font-weight: 600; }
.product-info__meta .ok { color: #34d399; font-weight: 600; }

/* ---------- Body: tabs ---------- */
.product-body { background: var(--ink-800); padding: var(--space-12) 0; }
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: var(--space-8);
}
.product-tab {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: var(--space-4) var(--space-5);
  color: var(--gray-500);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  font-family: inherit;
}
.product-tab:hover { color: var(--ink-100); }
.product-tab.is-active { color: var(--brand-300); border-bottom-color: var(--brand-500); }

.product-tab-panel { display: none; }
.product-tab-panel.is-active { display: block; }
.product-tab-panel__title {
  font-size: 22px;
  margin: 0 0 var(--space-5);
  color: #fff;
}

/* Prose */
.prose { color: var(--gray-700); font-size: 16px; line-height: 1.75; }
.prose p { margin: 0 0 var(--space-4); }
.prose h3 { color: var(--ink-100); font-size: 17px; margin: var(--space-6) 0 var(--space-3); font-weight: 700; }
.prose ul { margin: 0 0 var(--space-4); padding-left: var(--space-5); }
.prose li { margin-bottom: var(--space-2); list-style: disc; }
.prose strong { color: var(--ink-100); }

/* Features */
.features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}
.features-list li {
  position: relative;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-8);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  color: var(--gray-700);
  line-height: 1.6;
}
.features-list li::before {
  content: "✓";
  position: absolute;
  left: var(--space-4);
  top: var(--space-3);
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: rgba(0, 133, 255, 0.18);
  color: var(--brand-300);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}

/* Specs table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.spec-table tr { border-bottom: 1px solid var(--border-dark); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th, .spec-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}
.spec-table th {
  width: 36%;
  color: var(--ink-100);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.04);
}
.spec-table td { color: var(--gray-700); }

/* FAQ */
.faq-list { display: grid; gap: var(--space-3); }
.faq-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item[open] { border-color: var(--brand-500); }
.faq-item summary {
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--ink-100);
  font-size: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  transition: background var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(0, 133, 255, 0.06); }
.faq-item__icon {
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  position: relative;
  color: var(--brand-300);
}
.faq-item__icon::before, .faq-item__icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--transition-fast);
}
.faq-item__icon::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-50%); }
.faq-item__icon::after { top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); }
.faq-item[open] .faq-item__icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.faq-item__body { padding: 0 var(--space-5) var(--space-5); color: var(--gray-700); line-height: 1.7; font-size: 14px; }
.faq-item__body p { margin: 0; }

/* ---------- Related products ---------- */
.related-products { background: var(--ink-050); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}
.related-card {
  display: block;
  background: var(--ink-800);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--ink-100);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand-500);
  box-shadow: 0 12px 30px rgba(0, 133, 255, 0.18);
}
.related-card__thumb {
  background: var(--ink-050);
  border-radius: var(--radius-sm);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
  margin-bottom: var(--space-3);
  padding: var(--space-2);
}
.related-card__thumb img { max-width: 100%; max-height: 100%; object-fit: contain; }
.related-card__cat {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-300);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.related-card__title {
  font-size: 15px;
  margin: 0;
  color: var(--ink-100);
  font-weight: 600;
  line-height: 1.4;
}

/* ---------- CTA ---------- */
.product-cta {
  background: linear-gradient(135deg, #0b1220 0%, #10233f 100%);
  padding: var(--space-16) 0;
  text-align: center;
  border-top: 1px solid var(--border-dark);
}
.product-cta__inner { max-width: 720px; margin: 0 auto; }
.product-cta h2 {
  color: #fff;
  font-size: clamp(24px, 3.2vw, 32px);
  margin: 0 0 var(--space-4);
  letter-spacing: -0.01em;
}
.product-cta p { color: var(--gray-700); font-size: 16px; margin: 0 0 var(--space-6); line-height: 1.7; }
.product-cta__actions { display: flex; justify-content: center; gap: var(--space-3); flex-wrap: wrap; }

/* ---------- 404 ---------- */
.product-404 { background: var(--ink-050); padding: var(--space-16) 0; }
.product-404__inner { text-align: center; max-width: 520px; margin: 0 auto; }
.product-404__inner h1 { color: #fff; font-size: 28px; margin: 0 0 var(--space-3); }
.product-404__inner p { color: var(--gray-700); margin: 0 0 var(--space-6); }

/* ---------- Utilities ---------- */
.muted { color: var(--gray-500); }
.small { font-size: 13px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .product-hero__layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .product-hero { padding: var(--space-8) 0; }
}
@media (max-width: 640px) {
  .product-info__meta strong { min-width: 130px; }
  .product-gallery__thumb { width: 56px; height: 56px; }
  .product-tab { padding: var(--space-3) var(--space-4); font-size: 14px; }
  .product-cta { padding: var(--space-12) 0; }
}

/* ============================================================
   Product Detail — long-form layout (1:1 reference structure)
   ============================================================ */

/* Serif display headings (match reference typography) */
.product-info__title,
.product-details-title,
.product-article h2,
.product-article h3 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

/* Breadcrumb home link */
.breadcrumb__home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* --- Hero info column --- */
.product-info__title {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.2px;
  margin: 0 0 14px;
}
.product-info__rating { margin: 0 0 12px; }
.product-info__rating .stars { display: inline-flex; gap: 2px; }
.product-info__intro {
  color: var(--gray-700);
  font-size: 15px;
  line-height: 1.7;
  margin: 0 0 22px;
  max-width: 56ch;
}
.product-info__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.product-info__points li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-100);
  font-size: 14.5px;
  font-weight: 500;
}
.product-info__points svg { color: var(--brand-300); flex: none; }

/* Gallery zoom trigger */
.product-gallery__main { position: relative; }
.product-gallery__zoom {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgb(255 255 255 / 0.25);
  background: rgb(15 23 42 / 0.55);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.product-gallery__zoom:hover { background: rgb(15 23 42 / 0.8); transform: scale(1.06); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgb(0 0 0 / 0.86);
  display: grid;
  place-items: center;
  padding: 24px;
  cursor: zoom-out;
}
.lightbox[hidden] { display: none; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgb(0 0 0 / 0.5);
}

/* --- Body layout: sidebar + article --- */
.product-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 52px;
  align-items: start;
  padding-block: 56px 24px;
}

/* Sidebar */
.product-sidebar { position: sticky; top: 96px; }
.product-sidebar__search { position: relative; margin-bottom: 26px; }
.product-sidebar__search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #6b7280;
  pointer-events: none;
}
.product-sidebar__search input {
  width: 100%;
  height: 54px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: #fff;
  color: #1c2535;
  font-size: 15px;
  font-family: inherit;
  padding: 0 16px 0 44px;
  outline: none;
}
.product-sidebar__search input::placeholder { color: #6b7280; }
.product-sidebar__search input:focus { border-color: var(--brand-500); }

.ps-cat { border-bottom: 1px solid var(--border-dark); }
.ps-cat:last-child { border-bottom: none; }
.ps-cat__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 0;
}
.ps-cat__head > a {
  color: var(--brand-300);
  font-weight: 500;
  font-size: 15px;
  text-decoration: none;
}
.ps-cat__head > a:hover { text-decoration: underline; }
.ps-cat__toggle {
  background: none;
  border: none;
  color: var(--brand-300);
  cursor: pointer;
  padding: 4px;
  display: grid;
  place-items: center;
  transition: transform 0.2s ease;
}
.ps-cat.is-open .ps-cat__toggle { transform: rotate(180deg); }
.ps-cat__list {
  list-style: none;
  margin: 0;
  padding: 0 0 12px;
}
.ps-cat__list a {
  display: block;
  padding: 6px 0 6px 14px;
  color: var(--gray-500);
  font-size: 14px;
  text-decoration: none;
  border-left: 2px solid var(--border-dark);
}
.ps-cat__list a:hover { color: var(--brand-300); border-left-color: var(--brand-500); }

/* Article */
.product-details-title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 26px;
}
.product-article h2 {
  font-size: clamp(23px, 2.6vw, 32px);
  font-weight: 600;
  line-height: 1.3;
  margin: 46px 0 16px;
}
.product-article > h2:first-child { margin-top: 0; }
.product-article h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 30px 0 10px;
}
.product-article p {
  color: var(--gray-700);
  font-size: 15.5px;
  line-height: 1.8;
  margin: 0 0 15px;
}
.product-article strong { color: var(--ink-100); font-weight: 600; }
.product-article ul {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}
.product-article li {
  position: relative;
  padding-left: 24px;
  color: var(--gray-700);
  font-size: 15.5px;
  line-height: 1.7;
  margin-bottom: 9px;
}
.product-article li::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-500);
}
.product-article li strong { color: var(--ink-100); }

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 22px;
  font-size: 15px;
}
.article-table th,
.article-table td {
  border: 1px solid var(--border-dark);
  padding: 11px 16px;
  text-align: left;
  vertical-align: top;
}
.article-table thead th {
  background: var(--surface-2);
  color: var(--ink-100);
  font-weight: 600;
}
.article-table tbody th {
  color: var(--ink-100);
  font-weight: 500;
  width: 38%;
}
.article-table tbody td { color: var(--gray-700); }
.article-table tbody tr:nth-child(even) { background: rgb(255 255 255 / 0.03); }

.article-cta { margin-top: 34px; }

/* Responsive: stack sidebar below article on mobile (reference behavior) */
@media (max-width: 960px) {
  .product-layout { grid-template-columns: 1fr; gap: 36px; padding-block: 36px 12px; }
  .product-sidebar { position: static; order: 2; }
  .product-main { order: 1; }
  .product-info__points { gap: 10px; }
}

/* Gallery carousel arrows */
.product-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgb(255 255 255 / 0.2);
  background: rgb(15 23 42 / 0.55);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s ease;
}
.product-gallery__nav--prev { left: 12px; }
.product-gallery__nav--next { right: 12px; }
.product-gallery__nav:hover { background: var(--brand-500); }

/* Lightbox nav */
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgb(255 255 255 / 0.3);
  background: rgb(255 255 255 / 0.1);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s ease;
}
.lightbox__nav--prev { left: 22px; }
.lightbox__nav--next { right: 22px; }
.lightbox__nav:hover { background: var(--brand-500); }
.lightbox__nav[hidden], .product-gallery__nav[hidden] { display: none; }

@media (max-width: 640px) {
  .product-gallery__nav { width: 32px; height: 32px; }
  .product-gallery__nav--prev { left: 8px; }
  .product-gallery__nav--next { right: 8px; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
}