/* ============================================
   TSUNAMI 官网 - Pelican 风格设计规范
   ============================================ */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

/* === CSS Variables / Design Tokens === */
:root {
  /* Colors */
  --white: #FFFFFF;
  --light-gray: #F7F7F7;
  --card-gray: #F8F8F8;
  --primary: #111111;
  --secondary: #6B6B6B;
  --tertiary: #999999;
  --dark-bg: #111111;
  --footer-bg: #0A0A0A;
  --border-light: #EBEBEB;
  --border-medium: #D4D4D4;
  --border-dark: #333333;

  /* Spacing */
  --padding-section: 60px;
  --padding-side: 48px;
  --gap-card: 16px;
  --gap-card-lg: 24px;
  --gap-section: 32px;

  /* Layout */
  --max-width: 1440px;
  --content-width: 1344px;
  --header-height: 76px;

  /* Typography */
  --font-display: 'Barlow', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* === Container === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-side);
}

/* ============================================
   1. HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
}

.header__logo img {
  height: 48px;
  width: auto;
  display: block;
}

/* Nav */
.header__nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.header__nav a {
  font-size: 17px;
  font-weight: 500;
  color: var(--secondary);
  transition: color 0.2s;
  white-space: nowrap;
}

.header__nav a:hover,
.header__nav a.active {
  color: #cb193c;
}

.header__nav a.nav-oem {
  font-family: var(--font-display);
  font-weight: 500;
}

/* Header CTA */
.header__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  background: #cb193c;
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  white-space: nowrap;
}

.header__cta:hover {
  background: #cb193c;
}

/* Mobile menu button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: transform 0.3s, opacity 0.3s;
}

.header__menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.header__menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.header__mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 24px;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.header__mobile-nav.open {
  display: flex;
}

.header__mobile-nav a {
  font-size: 15px;
  padding: 8px 0;
  color: var(--secondary);
}

.header__mobile-nav a:hover {
  color: #cb193c;
}

/* ============================================
   2. HERO
   ============================================ */
.hero {
  position: relative;
  padding-top: var(--header-height);
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  background: var(--light-gray);
  background-size: cover;
  background-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 40%, rgba(0,0,0,0.2) 65%, transparent 85%);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  padding: 60px var(--padding-side);
  min-height: 840px;
  gap: 60px;
}

.hero__left {
  flex: 0 0 540px;
  max-width: 540px;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255,255,255,0.65);
  letter-spacing: 1px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-top: 16px;
}

.hero__desc {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255,255,255,0.75);
  margin-top: 16px;
}

.hero__ctas {
  display: flex;
  gap: var(--gap-card);
  margin-top: 28px;
}

.hero__trust {
  display: flex;
  gap: 24px;
  margin-top: 28px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}

.hero__trust span {
  white-space: nowrap;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 50px;
  padding: 0 32px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  white-space: nowrap;
  transition: background 0.25s, color 0.25s, transform 0.2s;
}

.btn:hover {
  background: #cb193c;
  color: #fff;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: #cb193c;
  color: var(--white);
}

.btn--primary:hover {
  background: #cb193c;
  color: #fff;
}

.btn--secondary {
  background: var(--white);
  color: var(--primary);
  border: 1px solid var(--border-medium);
  font-weight: 400;
}

.btn--secondary:hover {
  background: #cb193c;
  color: #fff;
  border-color: #cb193c;
}

.btn--white {
  background: var(--white);
  color: var(--primary);
}

.btn--white:hover {
  background: #cb193c;
  color: #fff;
}

.btn--link {
  background: none;
  height: auto;
  padding: 0;
  color: #cb193c;
  font-size: 14px;
  font-weight: 500;
}

.btn--link:hover {
  background: none;
  color: #cb193c;
}

.btn--link-light {
  background: none;
  height: auto;
  padding: 0;
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
}

.btn--link-light:hover {
  background: none;
  color: var(--white);
}

/* ============================================
   SECTION BASE
   ============================================ */
.section {
  padding: var(--padding-section) 0;
}

.section--dark {
  background: var(--dark-bg);
  color: var(--white);
}

.section--gray {
  background: var(--light-gray);
}

.section--footer {
  background: var(--footer-bg);
}

.section__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--gap-section);
}

.section__tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--secondary);
  letter-spacing: 0.5px;
}

.section__title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--primary);
  margin-top: 8px;
}

.section--dark .section__title {
  color: var(--white);
}

.section__title--cn {
  font-family: var(--font-body);
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.section--dark .section__title--cn {
  color: var(--white);
}

.section__desc {
  font-size: 16px;
  color: var(--secondary);
  line-height: 1.6;
  margin-top: 8px;
  max-width: 600px;
}

.section--dark .section__desc {
  color: var(--tertiary);
}

/* ============================================
   3. EXPLORE PRODUCTS
   ============================================ */
.explore {
  padding-top: 80px;
}

.explore .container {
  max-width: 100%;
  padding: 0 var(--padding-side);
}

.explore__categories {
  display: flex;
  gap: 32px;
  margin-bottom: var(--gap-section);
}

.explore__categories a {
  font-size: 14px;
  font-weight: 500;
  color: var(--secondary);
  transition: color 0.2s;
}

.explore__categories a:hover,
.explore__categories a.active {
  color: var(--primary);
}

.explore__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-card);
}

.explore__card {
  background: var(--card-gray);
  overflow: hidden;
}

.explore__card-img {
  height: 304px;
  background: var(--light-gray);
  overflow: hidden;
  position: relative;
}

.explore__card-img .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tertiary);
  font-size: 14px;
}

.explore__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.explore__card:hover .explore__card-img img {
  transform: scale(1.05);
}

.explore__card-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 20px;
  background: var(--primary);
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
}

.explore__card-bar .arrow {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.3s;
}

.explore__card:hover .explore__card-bar .arrow {
  transform: translateX(4px);
}

/* Explore product cards */
.explore__grid .product-card {
  background: var(--card-gray);
  overflow: hidden;
}

.explore__grid .product-card__img {
  height: 304px;
  background: var(--light-gray);
  overflow: hidden;
  position: relative;
}

.explore__grid .product-card__img .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--tertiary);
  font-size: 14px;
  gap: 8px;
}

.explore__grid .product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.explore__grid .product-card:hover .product-card__img img {
  transform: scale(1.05);
}

.explore__grid .product-card__info {
  padding: 20px;
  background: var(--primary);
  color: var(--white);
}

.explore__grid .product-card__category {
  font-size: 12px;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.explore__grid .product-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

.explore__grid .product-card__spec {
  font-family: var(--font-display);
  font-size: 13px;
  color: #9ca3af;
  margin-top: 6px;
}

.explore__grid .product-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
}

.explore__grid .product-card__arrow {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.3s;
}

.explore__grid .product-card:hover .product-card__arrow {
  transform: translateX(6px);
}
.built {
  text-align: center;
  padding: var(--padding-section) 0;
}

.built .container {
  max-width: 100%;
  padding: 0 var(--padding-side);
}

.built__title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}

.built__desc {
  font-size: 18px;
  color: var(--secondary);
  margin-top: 12px;
}

.built__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: opacity 0.2s;
}

.built__link:hover {
  opacity: 0.7;
}

/* ============================================
   5. BEST SELLERS
   ============================================ */
.bestsellers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-card-lg);
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-card__img {
  height: 320px;
  background: var(--light-gray);
  overflow: hidden;
  position: relative;
}

.product-card__img .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tertiary);
  font-size: 14px;
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card__img img {
  transform: scale(1.05);
}

.product-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  text-align: center;
}

.product-card__spec {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--secondary);
}

.product-card__link {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.product-card__link:hover {
  gap: 8px;
}

/* ============================================
   6. SCENE BANNER (2x2)
   ============================================ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.scene-card {
  position: relative;
  overflow: hidden;
}

.scene-card__img {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.scene-card__img .img-placeholder {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tertiary);
  font-size: 14px;
  transition: transform 0.4s ease;
}

.scene-card:hover .scene-card__img .img-placeholder {
  transform: scale(1.05);
}

.scene-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.scene-card:hover .scene-card__img img {
  transform: scale(1.05);
}

.scene-card__body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 154px;
}

.scene-card--dark {
  background: var(--dark-bg);
}

.scene-card--dark .scene-card__title {
  color: var(--white);
}

.scene-card--dark .scene-card__desc {
  color: var(--tertiary);
}

.scene-card--dark .scene-card__link {
  color: var(--white);
}

.scene-card--dark .scene-card__link:hover {
  color: #cb193c;
}

.scene-card--gray {
  background: var(--light-gray);
}

.scene-card--white {
  background: var(--white);
}

.scene-card__title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}

.scene-card__desc {
  font-size: 14px;
  color: var(--secondary);
}

.scene-card__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
  transition: gap 0.2s, color 0.2s;
}

.scene-card__link:hover {
  gap: 8px;
  color: #cb193c;
}

/* ============================================
   7. FACTORY STATS
   ============================================ */
.stats {
  display: flex;
  justify-content: center;
  gap: var(--gap-card-lg);
  padding: 30px 0;
}

.stats__item {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stats__num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stats__label {
  font-size: 14px;
  color: var(--secondary);
}

/* ============================================
   8. CASE FAMILY
   ============================================ */
.casefamily {
  position: relative;
  overflow: hidden;
  padding: 90px 0;
}

.casefamily__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.casefamily__bg-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.casefamily__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: transparent;
}

.casefamily .container {
  position: relative;
  z-index: 2;
  max-width: 1680px;
}

.casefamily .stats {
  margin-bottom: 40px;
}

.casefamily .stats__num,
.casefamily .stats__label {
  color: var(--white);
}

.casefamily .section__title {
  color: var(--white);
  text-align: center;
}

.casefamily__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-card-lg);
}

.casefamily__card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.casefamily__card-img {
  height: 300px;
  background: var(--light-gray);
  overflow: hidden;
  position: relative;
}

.casefamily__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.casefamily__card:hover .casefamily__card-img img {
  transform: scale(1.05);
}

.casefamily__card-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
}

.casefamily__card-desc {
  font-size: 13px;
  color: var(--secondary);
}

/* ============================================
   9. OEM SECTION
   ============================================ */
.oem {
  background: var(--dark-bg);
  color: var(--white);
  padding: var(--padding-section) 0;
}

.oem .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
  padding: 0 var(--padding-side);
  gap: 60px;
}

.oem__left {
  flex: 0 0 540px;
  max-width: 540px;
}

.oem__title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.oem__desc {
  font-size: 16px;
  color: var(--tertiary);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: 24px;
}

.oem__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.oem__feature {
  font-size: 15px;
  color: var(--white);
}

.oem__right {
  flex: 0 0 720px;
  max-width: 720px;
}

.oem__image {
  width: 100%;
  height: 500px;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.oem__image .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #444;
  font-size: 14px;
}

.oem__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   10. NEWS
   ============================================ */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap-card-lg);
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-card__img {
  height: 200px;
  background: var(--light-gray);
  overflow: hidden;
  position: relative;
}

.news-card__img .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tertiary);
  font-size: 14px;
}

.news-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-card__img img {
  transform: scale(1.05);
}

.news-card__date {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--secondary);
}

.news-card__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  line-height: 1.5;
  transition: color 0.2s;
}

.news-card:hover .news-card__title {
  color: var(--secondary);
}

/* ============================================
   11. CONTACT CTA
   ============================================ */
.contact {
  background: var(--dark-bg);
  text-align: center;
  padding: var(--padding-section) 0;
}

.contact .container {
  max-width: 100%;
  padding: 0 var(--padding-side);
}

.contact__title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
}

.contact__desc {
  font-size: 16px;
  color: var(--tertiary);
  margin-top: 12px;
}

.contact .btn {
  margin-top: 24px;
}

/* ============================================
   12. FOOTER
   ============================================ */
.footer {
  background: var(--footer-bg);
  padding: 60px 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 340px 1fr 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__logo {
  height: 32px;
  width: 188px;
  display: block;
}

.footer__brand-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

.footer__brand-contact {
  font-size: 13px;
  color: var(--tertiary);
}

.footer__col-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.footer__col-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__col-links a {
  font-size: 13px;
  color: var(--tertiary);
  transition: color 0.2s;
}

.footer__col-links span {
  font-size: 13px;
  color: #9ca3af;
}

.footer__col-links a:hover {
  color: var(--white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--border-dark);
  font-size: 12px;
  color: #666;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  color: #666;
  transition: color 0.2s;
}

.footer__bottom-links a:hover {
  color: var(--tertiary);
}

/* ============================================
   PLACEHOLDER IMAGE STYLES
   ============================================ */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f0f0 0%, #e8e8e8 100%);
  color: #ccc;
  font-size: 40px;
  gap: 8px;
}

.img-placeholder--dark {
  background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
  color: #444;
}

.img-placeholder span {
  font-size: 13px;
  color: #bbb;
}

.img-placeholder--dark span {
  color: #555;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  :root {
    --padding-side: 32px;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .hero__left {
    flex: none;
    max-width: 100%;
  }

  .hero__title {
    font-size: 40px;
  }

  .hero__ctas {
    justify-content: center;
  }

  .hero__trust {
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero__overlay {
    background: linear-gradient(180deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.3) 70%, transparent 100%);
  }

  .explore__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bestsellers__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .casefamily__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .oem .container {
    flex-direction: column;
  }

  .oem__left {
    flex: none;
    max-width: 100%;
  }

  .oem__right {
    flex: none;
    max-width: 100%;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
  }

  .stats {
    flex-wrap: wrap;
    gap: 24px;
  }

  .stats__item {
    flex: 0 0 calc(50% - 12px);
  }
}

@media (max-width: 768px) {
  :root {
    --padding-side: 24px;
    --padding-section: 40px;
  }

  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__menu-btn {
    display: flex;
  }

  .hero__title {
    font-size: 32px;
  }

  .hero__overlay {
    background: linear-gradient(180deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.6) 60%, rgba(0,0,0,0.3) 85%, transparent 100%);
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero__ctas .btn {
    width: 100%;
    max-width: 300px;
  }

  .section__title {
    font-size: 28px;
  }

  .explore__grid {
    grid-template-columns: 1fr;
  }

  .bestsellers__grid {
    grid-template-columns: 1fr;
  }

  .casefamily__grid {
    grid-template-columns: 1fr;
  }

  .news__grid {
    grid-template-columns: 1fr;
  }

  .scene-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .scene-card {
    height: auto;
  }

  .scene-card__body {
    height: auto;
  }

  .oem__image {
    height: 250px;
  }

  .stats__item {
    flex: 0 0 100%;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .explore__categories {
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 26px;
  }

  .hero__tagline {
    font-size: 11px;
  }

  .stats__num {
    font-size: 36px;
  }
}