/* ============================================
   Weverse 中文官网 - Design Token System
   ============================================ */

:root {
  /* Brand Colors */
  --primary: #00CBD5;
  --primary-hover: #00B7C1;
  --primary-light: #E9FCFD;
  --primary-dark: #009FA8;

  /* Accent Colors */
  --purple: #7A5AF8;
  --blue: #3B82F6;
  --orange: #FFB020;
  --green: #22C55E;

  /* Neutrals */
  --white: #FFFFFF;
  --bg: #FFFFFF;
  --bg-soft: #F7FEFE;
  --footer-bg: #F8FEFE;
  --text: #1A1A2E;
  --text-secondary: #555566;
  --text-tertiary: #9999AA;
  --border: rgba(0, 0, 0, 0.06);
  --border-hover: rgba(0, 203, 213, 0.15);

  /* Typography */
  --font-sans: "HarmonyOS Sans", "PingFang SC", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Border Radius */
  --radius-btn: 16px;
  --radius-card: 24px;
  --radius-img: 20px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.04);

  /* Layout */
  --container: 1280px;
  --header-h: 80px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;
  --duration-fast: 0.2s;
}

/* ============================================
   Reset
   ============================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ============================================
   Layout Utilities
   ============================================ */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 100px 0;
}

.section__head {
  text-align: center;
  margin-bottom: 56px;
}

.section__title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(0, 203, 213, 0.3);
}

.btn--primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 203, 213, 0.4);
}

.btn--outline {
  background: var(--white);
  color: var(--text);
  border: 1.5px solid var(--border);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* ============================================
   01 Header
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: all var(--duration) var(--ease);
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

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

.logo-text {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
}

.logo-img {
  height: 28px;
  width: auto;
}

.logo-img--footer {
  height: 32px;
  margin-bottom: 16px;
}

.header__nav {
  display: flex;
  gap: 36px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--duration-fast) var(--ease);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  background: var(--primary);
  border-radius: var(--radius-pill);
  transition: all var(--duration-fast) var(--ease);
  white-space: nowrap;
}

.header__download:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 203, 213, 0.35);
}

.header__download i {
  font-size: 18px;
}

/* ============================================
   02 Hero
   ============================================ */

.hero {
  position: relative;
  min-height: 860px;
  padding-top: var(--header-h);
  overflow: hidden;
  background: linear-gradient(180deg, #E7FEFF 0%, #D6F8FA 50%, #FFFFFF 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.hero__aurora--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0, 203, 213, 0.4), transparent 70%);
  top: -100px; left: -100px;
}

.hero__aurora--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(122, 90, 248, 0.2), transparent 70%);
  top: 200px; right: -80px;
}

.hero__aurora--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(0, 203, 213, 0.3), transparent 70%);
  bottom: 50px; left: 40%;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 203, 213, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 203, 213, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  min-height: calc(860px - var(--header-h));
  padding: 60px 32px;
}

.hero__title {
  font-size: 60px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

.hero__subtitle {
  margin-top: 24px;
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 520px;
}

.hero__buttons {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(2, max-content);
  gap: 16px;
}

.hero__qr {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  width: fit-content;
}

.qr-box {
  width: 96px; height: 96px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
}

.qr-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qr-version { font-size: 14px; font-weight: 600; color: var(--text); }
.qr-date { font-size: 13px; color: var(--text-tertiary); }

/* Hero Mockup */
.hero__mockup {
  position: relative;
  height: 600px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone {
  position: absolute;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

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

.phone--front {
  width: 260px; height: 540px;
  z-index: 2;
  transform: translateX(-30px);
}

.phone--back {
  width: 220px; height: 460px;
  z-index: 1;
  transform: translateX(120px) translateY(40px);
  opacity: 0.85;
}

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow);
  z-index: 3;
}

.float-card i { font-size: 18px; color: var(--primary); }

.float-card--1 { top: 8%; left: -5%; }
.float-card--2 { top: 30%; right: -8%; }
.float-card--3 { bottom: 28%; left: -8%; }
.float-card--4 { bottom: 8%; right: 0%; }

/* ============================================
   03 Features
   ============================================ */

.features { background: var(--bg-soft); }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px;
  height: 130px;
  background: var(--white);
  border: 1px solid rgba(0, 203, 213, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all var(--duration) var(--ease);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}

.feature-card__icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--white);
}

.feature-card__icon--1 { background: linear-gradient(135deg, #00CBD5, #009FA8); }
.feature-card__icon--2 { background: linear-gradient(135deg, #7A5AF8, #534AB7); }
.feature-card__icon--3 { background: linear-gradient(135deg, #FFB020, #F59E0B); }
.feature-card__icon--4 { background: linear-gradient(135deg, #3B82F6, #2563EB); }
.feature-card__icon--5 { background: linear-gradient(135deg, #22C55E, #16A34A); }
.feature-card__icon--6 { background: linear-gradient(135deg, #00CBD5, #7A5AF8); }
.feature-card__icon--7 { background: linear-gradient(135deg, #FFB020, #FF6B6B); }
.feature-card__icon--8 { background: linear-gradient(135deg, #3B82F6, #00CBD5); }

.feature-card__body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-card__body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ============================================
   04 Stats
   ============================================ */

.stats {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
  background: linear-gradient(135deg, #00CBD5, #00B8C3);
}

.stats__bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.stats__inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-num {
  display: block;
  font-size: 48px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
}

/* ============================================
   04.5 Artists
   ============================================ */

.artists__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 32px 24px;
}

.artist-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: transform var(--duration) var(--ease);
}

.artist-card:hover {
  transform: translateY(-6px);
}

.artist-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--white);
  box-shadow: 0 4px 16px rgba(0, 203, 213, 0.15);
  transition: all var(--duration) var(--ease);
}

.artist-card:hover .artist-card__avatar {
  border-color: var(--primary);
  box-shadow: 0 8px 28px rgba(0, 203, 213, 0.3);
}

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

.artist-card__name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  transition: color var(--duration-fast) var(--ease);
}

.artist-card:hover .artist-card__name {
  color: var(--primary);
}

.artists__more {
  text-align: center;
  margin-top: 48px;
}

/* ============================================
   05 Screenshots Carousel
   ============================================ */

.carousel {
  overflow: hidden;
  padding: 20px 0;
}

.carousel__track {
  display: flex;
  gap: 24px;
  justify-content: center;
  align-items: center;
  padding: 0 32px;
}

.screenshot-card {
  flex-shrink: 0;
  width: 220px;
  aspect-ratio: 9 / 19;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--duration) var(--ease);
}

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

.screenshot-card:hover {
  transform: scale(1.03);
}

/* 移动端横向滑动 */
@media (max-width: 768px) {
  .carousel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .carousel::-webkit-scrollbar { display: none; }

  .carousel__track {
    justify-content: flex-start;
    padding: 0 20px;
  }
}

/* ============================================
   06 Articles
   ============================================ */

.articles__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.articles__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.articles__head .section__title { font-size: 28px; }

.more-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  transition: opacity var(--duration-fast) var(--ease);
}

.more-link:hover { opacity: 0.7; }

.article-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.article-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all var(--duration) var(--ease);
}

.article-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

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

.article-card img {
  width: 120px;
  height: 90px;
  border-radius: var(--radius-img);
  object-fit: cover;
  flex-shrink: 0;
  transition: transform var(--duration) var(--ease);
}

.article-card__body { flex: 1; min-width: 0; }

.tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary-dark);
  margin-bottom: 6px;
}

.tag--purple { background: #F0EDFF; color: #534AB7; }
.tag--blue { background: #EBF5FF; color: #185FA5; }
.tag--orange { background: #FFF6E6; color: #854F0B; }
.tag--green { background: #EDFBEE; color: #3B6D11; }

.article-card__body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.article-card__body p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.article-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--text-tertiary);
}

/* ============================================
   07 FAQ
   ============================================ */

.faq { background: var(--bg-soft); }

.faq__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

.faq__col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  transition: color var(--duration-fast) var(--ease);
}

.faq-q:hover { color: var(--primary); }

.faq-q i {
  font-size: 20px;
  color: var(--text-tertiary);
  transition: transform var(--duration-fast) var(--ease);
}

.faq-item.active .faq-q i { transform: rotate(45deg); color: var(--primary); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s var(--ease);
}

.faq-a p {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.faq__more {
  text-align: center;
  margin-top: 40px;
}

/* ============================================
   08 Footer
   ============================================ */

.footer {
  background: var(--footer-bg);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer__col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text);
}

.footer__col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  transition: color var(--duration-fast) var(--ease);
}

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

.footer__col--brand .logo-img--footer { display: block; margin-bottom: 16px; }

.footer__desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--text-secondary);
  font-size: 18px;
  margin: 0;
  box-shadow: var(--shadow-card);
  transition: all var(--duration-fast) var(--ease);
}

.footer__social a:hover {
  color: var(--primary);
  transform: translateY(-2px);
}

.footer__col--qr { text-align: center; }

.footer__qr-box {
  width: 96px;
  height: 96px;
  margin: 0 auto 12px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
}

.footer__bottom {
  max-width: var(--container);
  margin: 48px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ============================================
   Article Page
   ============================================ */

.article-page {
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 80px;
  max-width: 800px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 32px;
}

.breadcrumb a {
  transition: color var(--duration-fast) var(--ease);
}

.breadcrumb a:hover { color: var(--primary); }

.breadcrumb i { font-size: 14px; }

.article-page__head { margin-bottom: 40px; }

.article-page__title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
}

.article-page__meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--text-tertiary);
}

.article-page__meta i { vertical-align: -2px; margin-right: 4px; }

.article-page__body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text);
}

.article-page__body h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
}

.article-page__body h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 28px 0 12px;
}

.article-page__body p { margin-bottom: 16px; }

.article-page__body ul,
.article-page__body ol {
  margin: 12px 0 20px 20px;
}

.article-page__body li { margin-bottom: 8px; }

.article-page__body ul { list-style: disc; }
.article-page__body ol { list-style: decimal; }

.article-page__body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-page__body strong { font-weight: 600; }

.article-note {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  background: var(--primary-light);
  border-radius: var(--radius-card);
  margin: 24px 0;
}

.article-note i {
  font-size: 20px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.article-note p { margin: 0; font-size: 14px; color: var(--text-secondary); }

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 60px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-nav__item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-soft);
  border-radius: var(--radius-card);
  transition: all var(--duration-fast) var(--ease);
}

.article-nav__item:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.article-nav__placeholder {
  opacity: 0.4;
  pointer-events: none;
}

/* ============================================
   Changelog Page
   ============================================ */

.changelog-page { padding-top: calc(var(--header-h) + 60px); }

.changelog__list {
  max-width: 800px;
  margin: 0 auto;
}

.changelog-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.changelog-item:last-child { border-bottom: none; }

.changelog-ver {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.changelog-date {
  display: block;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

.changelog-section { margin-bottom: 20px; }

.changelog-section:last-child { margin-bottom: 0; }

.changelog-section h4 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 12px;
}

.changelog-section h4 i { font-size: 18px; }

.changelog-section ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.changelog-section li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}

.changelog-section li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

/* ============================================
   Reveal Animation
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(3, 1fr); }
  .artists__grid { grid-template-columns: repeat(4, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }

  .header__nav { display: none; }

  .section { padding: 64px 0; }
  .section__title { font-size: 28px; }

  .hero { min-height: auto; padding-bottom: 64px; }
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero__title { font-size: 36px; }
  .hero__subtitle { font-size: 16px; margin: 16px auto 0; }
  .hero__buttons { grid-template-columns: repeat(2, 1fr); }
  .hero__qr { margin-left: auto; margin-right: auto; }
  .hero__mockup { height: 420px; }
  .phone--front { width: 200px; height: 420px; transform: none; }
  .phone--back { width: 170px; height: 360px; transform: translateX(90px) translateY(30px); }
  .float-card { font-size: 12px; padding: 8px 12px; }

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

  .artists__grid { grid-template-columns: repeat(3, 1fr); gap: 24px 16px; }
  .artist-card__avatar { width: 80px; height: 80px; }

  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .stat-num { font-size: 36px; }

  .carousel__track { gap: 12px; }
  .screenshot-card { width: 160px; }

  .articles__grid { grid-template-columns: 1fr; gap: 40px; }

  .faq__grid { grid-template-columns: 1fr; gap: 0; padding: 24px; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__col--brand { grid-column: 1 / -1; }

  .article-page__title { font-size: 26px; }
  .article-page__meta { flex-wrap: wrap; gap: 12px; }
  .article-nav { flex-direction: column; }

  .changelog-item { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 28px; }
  .hero__buttons { gap: 12px; }
  .btn { padding: 0 18px; font-size: 14px; }
  .features__grid { grid-template-columns: 1fr; }
  .artists__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__inner { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .article-card { flex-direction: column; }
  .article-card img { width: 100%; height: 140px; }
}