/* ===== 万店通 ERP — Premium Dark Theme ===== */
:root {
  --primary: #3B82F6;
  --primary-light: #60A5FA;
  --primary-dark: #1D4ED8;
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --bg-dark: #0B1120;
  --bg-card: #111827;
  --bg-elevated: #1A2332;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --text-primary: #F8FAFC;
  --text-secondary: rgba(248, 250, 252, 0.72);
  --text-muted: rgba(248, 250, 252, 0.48);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --gradient-hero: linear-gradient(135deg, #0B1120 0%, #1E3A5F 45%, #0F172A 100%);
  --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 50%, #F59E0B 100%);
  --gradient-card: linear-gradient(145deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.06) 100%);
  --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.25);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: var(--bg-dark);
  overflow-x: hidden;
  line-height: 1.65;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: var(--gradient-accent) !important;
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: 50px;
  font-weight: 600 !important;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.35);
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.45);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-btn.active span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 90px;
  background: var(--gradient-hero);
  overflow: visible;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 10s ease-in-out infinite;
}

.hero-orb-1 {
  width: 560px;
  height: 560px;
  background: rgba(59, 130, 246, 0.28);
  top: -15%;
  right: -8%;
}

.hero-orb-2 {
  width: 480px;
  height: 480px;
  background: rgba(139, 92, 246, 0.22);
  bottom: 5%;
  left: -12%;
  animation-delay: -5s;
}

.hero-orb-3 {
  width: 320px;
  height: 320px;
  background: rgba(255, 230, 0, 0.12);
  top: 40%;
  left: 35%;
  animation-delay: -2.5s;
}

.hero-beam {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: radial-gradient(ellipse 70% 60% at 70% 45%, rgba(59, 130, 246, 0.14) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, black 15%, transparent 72%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(24px, -24px) scale(1.06); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px 72px;
  align-items: center;
  overflow: visible;
}

/* Eyebrow & Platforms */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-eyebrow-brand {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #fff 0%, rgba(255,255,255,0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-eyebrow-divider {
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, #FFE600, transparent);
}

.hero-eyebrow-tag {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.hero-platforms {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hero-platform {
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
}

.hero-platform.multi {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  color: var(--primary-light);
  font-weight: 800;
}

.hero-platform.more {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  border-style: dashed;
}

.hero-platform.ml {
  background: rgba(255, 230, 0, 0.12);
  border-color: rgba(255, 230, 0, 0.35);
  color: #FFE600;
}

.hero-platform.amazon {
  background: rgba(255, 153, 0, 0.1);
  border-color: rgba(255, 153, 0, 0.3);
  color: #FF9900;
}

.hero-platform.ali {
  background: rgba(255, 106, 0, 0.1);
  border-color: rgba(255, 106, 0, 0.3);
  color: #FF6A00;
}

/* Title */
.hero-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 14px;
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title-main {
  color: var(--text-primary);
}

.hero-title-sep {
  font-weight: 300;
  color: rgba(255, 255, 255, 0.25);
  font-size: 0.85em;
}

.hero-title-accent {
  background: linear-gradient(135deg, #FFE600 0%, #60A5FA 45%, #A78BFA 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% auto;
  animation: shimmerText 6s ease-in-out infinite;
}

@keyframes shimmerText {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.hero-lead {
  font-size: clamp(17px, 2vw, 20px);
  color: rgba(248, 250, 252, 0.88);
  line-height: 1.65;
  margin-bottom: 14px;
  max-width: 540px;
}

.hero-lead strong {
  color: #fff;
  font-weight: 800;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 520px;
  line-height: 1.75;
}

.hero-desc strong {
  color: var(--text-secondary);
  font-weight: 700;
}

.hero-desc em {
  font-style: normal;
  color: #FFE600;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

/* Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 520px;
}

.hero-stat-card {
  padding: 16px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.hero-stat-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 230, 0, 0.2);
  transform: translateY(-2px);
}

.hero-stat-value {
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(180deg, #fff 20%, rgba(255,255,255,0.55));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-plus {
  font-size: 18px;
  color: #FFE600;
  -webkit-text-fill-color: #FFE600;
}

.hero-stat-ai {
  background: linear-gradient(135deg, #FFE600, #60A5FA);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

/* Visual Showcase */
.hero-visual {
  position: relative;
  perspective: 1200px;
  overflow: visible;
}

.hero-showcase {
  position: relative;
  transform: perspective(1200px) rotateY(-8deg) rotateX(4deg);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: visible;
}

.hero-showcase:hover {
  transform: perspective(1200px) rotateY(-2deg) rotateX(1deg);
}

.hero-browser {
  position: relative;
  z-index: 2;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 32px 80px rgba(0, 0, 0, 0.55),
    0 0 80px rgba(59, 130, 246, 0.2);
  background: #0d1117;
}

.hero-showcase-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse at 50% 50%, rgba(59, 130, 246, 0.35) 0%, rgba(255, 230, 0, 0.08) 40%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.hero-showcase-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(100% + 40px);
  height: calc(100% + 40px);
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  z-index: 0;
  pointer-events: none;
}

.hero-browser-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(180deg, #1a2332 0%, #141c28 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-browser-dot.red { background: #FF5F57; }
.hero-browser-dot.yellow { background: #FFBD2E; }
.hero-browser-dot.green { background: #28CA41; }

.hero-browser-url {
  flex: 1;
  margin-left: 8px;
  padding: 6px 14px;
  background: rgba(0, 0, 0, 0.35);
  border-radius: 8px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.02em;
}

.hero-browser-body img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: top;
}

.hero-showcase-reflection {
  position: absolute;
  bottom: -40px;
  left: 10%;
  right: 10%;
  height: 60px;
  background: linear-gradient(180deg, rgba(59, 130, 246, 0.15) 0%, transparent 100%);
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}

.hero-float-card {
  position: absolute;
  z-index: 3;
  width: 148px;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

.hero-float-card-1 {
  left: 0;
  top: 12%;
  transform: translateX(calc(-100% - 18px));
  animation: orbitFloat1 7s ease-in-out infinite;
  border-color: rgba(255, 230, 0, 0.25);
}

.hero-float-card-2 {
  right: 0;
  top: 8%;
  transform: translateX(calc(100% + 18px));
  animation: orbitFloat2 7s ease-in-out infinite;
  animation-delay: -2.5s;
  border-color: rgba(59, 130, 246, 0.25);
}

.hero-float-card-3 {
  left: 0;
  bottom: 14%;
  transform: translateX(calc(-100% - 18px));
  animation: orbitFloat3 7s ease-in-out infinite;
  animation-delay: -5s;
}

@keyframes orbitFloat1 {
  0%, 100% { transform: translateX(calc(-100% - 18px)) translateY(0); }
  50% { transform: translateX(calc(-100% - 18px)) translateY(-10px); }
}

@keyframes orbitFloat2 {
  0%, 100% { transform: translateX(calc(100% + 18px)) translateY(0); }
  50% { transform: translateX(calc(100% + 18px)) translateY(-10px); }
}

@keyframes orbitFloat3 {
  0%, 100% { transform: translateX(calc(-100% - 18px)) translateY(0); }
  50% { transform: translateX(calc(-100% - 18px)) translateY(-10px); }
}

.float-card-icon { font-size: 20px; margin-bottom: 4px; }
.float-card-text { font-size: 10px; color: var(--text-muted); margin-top: 2px; line-height: 1.4; }
.float-card-value { font-size: 13px; font-weight: 700; color: #FFE600; line-height: 1.3; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
}

@media (min-width: 1100px) {
  .hero-inner {
    gap: 48px 100px;
  }
}

/* ===== Section Common ===== */
section { padding: 100px 0; }

/* 首屏以下区块延迟渲染，加快可交互时间 */
.hero ~ section {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
}

/* ===== Platforms ===== */
.platforms {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.platform-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.platform-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: var(--shadow-glow);
}

.platform-card:hover::before { transform: scaleX(1); }

.platform-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
}

.platform-icon.ml { background: linear-gradient(135deg, #FFE600, #3483FA); color: #2D3277; }
.platform-icon.amazon { background: linear-gradient(135deg, #FF9900, #232F3E); }
.platform-icon.ali { background: linear-gradient(135deg, #FF6A00, #FF4500); font-size: 16px; }

.platform-icon.more {
  background: linear-gradient(135deg, #3B82F6, #8B5CF6);
  font-size: 14px;
  font-weight: 800;
}

.platform-card-more {
  border-style: dashed;
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.04) 100%);
}

.platform-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.platform-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Features Grid ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(24px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.35);
  background: var(--gradient-card);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== AI Section ===== */
.ai-section {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0F1A2E 50%, var(--bg-dark) 100%);
  position: relative;
  overflow: hidden;
}

.ai-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.ai-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-content h2 {
  font-size: clamp(28px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 20px;
}

.ai-list {
  list-style: none;
  margin: 28px 0;
}

.ai-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  color: var(--text-secondary);
}

.ai-list li:last-child { border-bottom: none; }

.ai-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: rgba(34, 197, 94, 0.15);
  color: #22C55E;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.ai-visual {
  position: relative;
}

.ai-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}

.ai-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gradient-accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.4);
}

/* ===== AI Highlight (Weight Video) ===== */
.ai-highlight {
  background: linear-gradient(180deg, var(--bg-dark) 0%, #0D1528 50%, var(--bg-card) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.ai-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 50%, rgba(59, 130, 246, 0.12) 0%, transparent 65%);
  pointer-events: none;
}

.ai-highlight-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-highlight-content h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.ai-highlight-content > p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.ai-highlight-list {
  list-style: none;
  margin-bottom: 32px;
}

.ai-highlight-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.ai-highlight-list li:last-child { border-bottom: none; }

.ai-highlight-list strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.ai-highlight-list span {
  font-size: 13px;
  color: var(--text-muted);
}

.ai-highlight-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.ai-highlight-tags span {
  padding: 6px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 50px;
  font-size: 12px;
  color: var(--primary-light);
}

/* Demo Video */
.demo-video-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card), 0 0 40px rgba(59, 130, 246, 0.15);
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: none;
  cursor: pointer;
  background: #0a0f1a;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-poster img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-poster-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.45) 100%);
  transition: background var(--transition);
}

.video-poster:hover .video-poster-shade {
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.35) 100%);
}

.video-play-btn {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  transition: transform var(--transition);
}

.video-play-btn svg { width: 100%; height: 100%; }

.video-poster:hover .video-play-btn { transform: scale(1.08); }

.video-poster-label {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-size: 13px;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.5);
  padding: 6px 16px;
  border-radius: 50px;
  backdrop-filter: blur(8px);
}

.video-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: rgba(0,0,0,0.85);
  z-index: 3;
}

.video-loading[hidden],
.video-poster[hidden] { display: none !important; }

.video-loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.video-loading-text {
  font-size: 13px;
  color: var(--text-secondary);
}

.demo-player {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
}

.demo-player[hidden] { display: none !important; }

/* ===== Pricing ===== */
.pricing {
  background: linear-gradient(180deg, #0a0f1a 0%, var(--bg-card) 30%, #0a0f1a 100%);
  position: relative;
  overflow: hidden;
}

.pricing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(255, 230, 0, 0.06) 0%, transparent 65%);
  pointer-events: none;
}

/* Account Explainer */
.account-explainer {
  position: relative;
  margin-bottom: 56px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 230, 0, 0.15);
  background: linear-gradient(135deg, rgba(255, 230, 0, 0.06) 0%, rgba(59, 130, 246, 0.06) 50%, rgba(17, 24, 39, 0.9) 100%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.account-explainer-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(255, 230, 0, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.account-explainer-layout {
  position: relative;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 40px 44px;
  align-items: center;
}

.account-explainer-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.account-orbit {
  position: relative;
  width: 140px;
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.account-orbit-ring {
  position: absolute;
  inset: 0;
  border: 2px dashed rgba(255, 230, 0, 0.35);
  border-radius: 50%;
  animation: orbitSpin 20s linear infinite;
}

@keyframes orbitSpin {
  to { transform: rotate(360deg); }
}

.account-orbit-core {
  width: 100px;
  height: 100px;
  background: linear-gradient(145deg, #FFE600 0%, #F5C400 100%);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(255, 230, 0, 0.3);
  z-index: 1;
}

.account-orbit-num {
  font-size: 36px;
  font-weight: 900;
  color: #2D3277;
  line-height: 1;
}

.account-orbit-label {
  font-size: 11px;
  font-weight: 700;
  color: #2D3277;
  margin-top: 2px;
}

.account-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 12px;
}

.account-globe {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 24px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 14px;
}

.account-globe-icon { font-size: 32px; }

.account-globe-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
}

.account-explainer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 230, 0, 0.12);
  border: 1px solid rgba(255, 230, 0, 0.25);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: #FFE600;
  margin-bottom: 16px;
}

.account-explainer-title {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.account-explainer-title em {
  font-style: normal;
  background: linear-gradient(90deg, #FFE600, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.account-explainer-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.account-explainer-desc strong {
  color: #FFE600;
  font-weight: 600;
}

.country-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.country-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.country-item:hover {
  background: rgba(255, 230, 0, 0.08);
  border-color: rgba(255, 230, 0, 0.2);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.country-flag { font-size: 18px; line-height: 1; }

.country-more {
  border-style: dashed;
  color: var(--text-muted);
}

.account-perks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.account-perk {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.account-perk-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: rgba(34, 197, 94, 0.15);
  color: #4ADE80;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.account-perk strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.account-perk span {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Pricing Toolbar */
.pricing-toolbar {
  text-align: center;
  margin-bottom: 40px;
}

.pricing-toolbar-hint {
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-muted);
}

.pricing-toolbar-hint strong {
  color: #FFE600;
}

.pricing-toggle {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 50px;
}

.pricing-toggle-btn {
  padding: 12px 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
}

.pricing-toggle-btn.active {
  background: linear-gradient(135deg, #FFE600 0%, #F5C400 100%);
  color: #2D3277;
  box-shadow: 0 4px 20px rgba(255, 230, 0, 0.25);
}

.pricing-discount-badge {
  font-size: 10px;
  padding: 3px 8px;
  background: rgba(45, 50, 119, 0.15);
  border-radius: 50px;
  font-weight: 700;
}

.pricing-toggle-btn.active .pricing-discount-badge {
  background: rgba(45, 50, 119, 0.2);
}

/* Plan Cards Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 24px;
  background: linear-gradient(165deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.plan-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.plan-card-head {
  margin-bottom: 20px;
}

.plan-card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.plan-card-accounts {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.plan-card-num {
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(180deg, #fff 30%, rgba(255,255,255,0.55));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.plan-card-unit {
  font-size: 14px;
  color: var(--text-muted);
}

.plan-card-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 6px;
}

.plan-currency {
  font-size: 18px;
  font-weight: 700;
  color: #FFE600;
}

.plan-amount {
  font-size: 32px;
  font-weight: 800;
  color: #FFE600;
  letter-spacing: -0.02em;
}

.plan-period {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 2px;
}

.plan-card-avg {
  font-size: 12px;
  color: var(--text-muted);
  min-height: 18px;
  margin-bottom: 16px;
  padding: 4px 10px;
  background: rgba(255, 230, 0, 0.06);
  border-radius: 6px;
  width: fit-content;
}

.plan-card-avg:empty,
.plan-card-avg[data-empty="true"] {
  background: none;
  min-height: 0;
  margin-bottom: 8px;
  padding: 0;
}

.plan-card-features {
  list-style: none;
  flex: 1;
  margin-bottom: 20px;
}

.plan-card-features li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.plan-card-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  background: #4ADE80;
  border-radius: 50%;
}

.plan-card-btn {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.plan-card-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Featured Plan */
.plan-featured {
  border-color: rgba(255, 230, 0, 0.35);
  background: linear-gradient(165deg, rgba(255, 230, 0, 0.1) 0%, rgba(59, 130, 246, 0.06) 100%);
  box-shadow: 0 0 0 1px rgba(255, 230, 0, 0.1), 0 24px 60px rgba(255, 230, 0, 0.08);
  transform: scale(1.03);
  z-index: 2;
}

.plan-featured:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 0 0 1px rgba(255, 230, 0, 0.2), 0 28px 70px rgba(255, 230, 0, 0.12);
}

.plan-card-ribbon {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 5px 16px;
  background: linear-gradient(135deg, #3B82F6, #8B5CF6);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.4);
}

.plan-card-ribbon.gold {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.plan-card-btn-primary {
  background: linear-gradient(135deg, #FFE600, #F5C400) !important;
  color: #2D3277 !important;
  border: none !important;
  font-weight: 700 !important;
}

.plan-card-btn-primary:hover {
  box-shadow: 0 8px 24px rgba(255, 230, 0, 0.35);
  transform: translateY(-1px);
}

/* Premium HQ Plan */
.plan-premium {
  border-color: rgba(245, 158, 11, 0.35);
  background: linear-gradient(165deg, rgba(245, 158, 11, 0.12) 0%, rgba(17, 24, 39, 0.8) 100%);
}

.plan-premium .plan-card-num {
  background: linear-gradient(180deg, #FBBF24, #F59E0B);
  -webkit-background-clip: text;
  background-clip: text;
}

.plan-premium .plan-currency,
.plan-premium .plan-amount {
  color: #FBBF24;
}

.plan-card-btn-gold {
  background: linear-gradient(135deg, #F59E0B, #D97706) !important;
  color: #fff !important;
  border: none !important;
}

.pricing-cta {
  text-align: center;
  margin-top: 56px;
}

.pricing-cta p {
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-size: 15px;
}

/* ===== Feature Detail ===== */
.feature-detail { background: var(--bg-card); }

.feature-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 100px;
}

.feature-detail-item:last-child { margin-bottom: 0; }

.feature-detail-item.reverse .feature-detail-content { order: 2; }
.feature-detail-item.reverse .feature-detail-visual { order: 1; }

.feature-detail-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.feature-detail-content h3 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-detail-content > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.feature-detail-content ul {
  list-style: none;
}

.feature-detail-content li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.feature-detail-content li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.feature-detail-visual {
  position: relative;
}

.feature-detail-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: transform 0.5s ease;
}

.feature-detail-visual:hover img {
  transform: scale(1.02);
}

/* ===== Workflow ===== */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.workflow-steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  opacity: 0.4;
}

.workflow-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.workflow-num {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  background: var(--bg-elevated);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary-light);
  transition: var(--transition);
}

.workflow-step:hover .workflow-num {
  background: var(--gradient-accent);
  border-color: transparent;
  color: #fff;
  transform: scale(1.1);
}

.workflow-step h4 {
  font-size: 16px;
  margin-bottom: 8px;
}

.workflow-step p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Tutorials ===== */
.tutorials {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tutorial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: var(--transition);
}

.tutorial-card:hover {
  border-color: rgba(251, 113, 133, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.tutorial-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #FB7299, #E85D88);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.tutorial-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.tutorial-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.tutorial-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #FB7299;
  font-size: 14px;
  font-weight: 600;
  transition: gap var(--transition);
}

.tutorial-link:hover { gap: 10px; }

/* ===== Support ===== */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.support-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.support-feature {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}

.support-feature strong {
  display: block;
  font-size: 24px;
  color: var(--accent-light);
  margin-bottom: 4px;
}

.support-feature span {
  font-size: 13px;
  color: var(--text-muted);
}

.contact-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.contact-card img {
  width: 180px;
  height: 180px;
  margin: 0 auto 20px;
  border-radius: 12px;
  border: 4px solid rgba(255, 255, 255, 0.1);
}

.contact-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.contact-card p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
}

.cta-box {
  background: var(--gradient-accent);
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.cta-box h2 {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
}

.cta-box p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  position: relative;
}

.cta-box .btn {
  background: #fff;
  color: var(--primary-dark);
  position: relative;
}

.cta-box .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* ===== Footer ===== */
.footer {
  background: #060A12;
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  width: 36px;
  height: 36px;
}

.footer-text {
  font-size: 14px;
  color: var(--text-muted);
}

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

.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-copy {
  width: 100%;
  text-align: center;
  padding-top: 24px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner,
  .ai-showcase,
  .ai-highlight-inner,
  .feature-detail-item,
  .support-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .ai-highlight-visual { order: -1; }

  .hero-visual { order: -1; overflow: visible; }
  .hero-showcase { transform: none; }
  .hero-showcase:hover { transform: none; }
  .hero-float-card { display: none; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
  .hero-title { font-size: clamp(34px, 8vw, 48px); }

  .feature-detail-item.reverse .feature-detail-content,
  .feature-detail-item.reverse .feature-detail-visual { order: unset; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .workflow-steps::before { display: none; }

  .account-explainer-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 28px;
  }

  .account-explainer-visual {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .account-arrow { flex-direction: row; }
  .account-arrow svg { transform: rotate(-90deg); }

  .account-perks { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-featured { transform: none; }
  .plan-featured:hover { transform: translateY(-6px); }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    padding: 80px 32px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }

  .nav-links.active { right: 0; }
  .mobile-menu-btn { display: flex; }

  .platform-grid,
  .features-grid,
  .tutorial-grid,
  .support-features {
    grid-template-columns: 1fr;
  }

  .pricing-grid { grid-template-columns: 1fr; }
  .country-grid { justify-content: center; }

  .workflow-steps { grid-template-columns: 1fr; }

  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-stats { gap: 8px; }
  .hero-stat-card { padding: 12px 8px; }
  .hero-stat-value { font-size: 22px; }
  .hero-platforms { justify-content: center; }
  .hero-eyebrow { justify-content: center; }
  .hero-title { justify-content: center; text-align: center; }
  .hero-lead, .hero-desc { text-align: center; margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  section { padding: 72px 0; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 26px; }
}