/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-primary: #f5f7fa;
  --bg-secondary: #eef1f6;
  --bg-tertiary: #e8ecf3;
  --card-bg: rgba(255,255,255,0.85);
  --card-bg-hover: rgba(255,255,255,0.98);
  --card-border: rgba(0,0,0,0.06);
  --card-border-hover: rgba(0,0,0,0.12);
  --accent-orange: #ff6b35;
  --accent-orange-light: #ff8c42;
  --accent-purple: #6c63ff;
  --accent-purple-light: #5a52e0;
  --gradient-cta: linear-gradient(135deg, #ff6b35, #ff8c42);
  --gradient-purple: linear-gradient(135deg, #6c63ff, #8b83ff);
  --gradient-hero: linear-gradient(135deg, #ff6b35 0%, #6c63ff 100%);
  --text-primary: #1a1a2e;
  --text-secondary: #3d3d56;
  --text-muted: #6b7280;
  --radius-card: 20px;
  --radius-btn: 12px;
  --shadow-card: 0 8px 32px rgba(0,0,0,0.06);
  --shadow-hover: 0 16px 48px rgba(108,99,255,0.12);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --max-width: 1280px;
}
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ===== Typography ===== */
h1, h2, h3, h4, h5 { color: var(--text-primary); font-weight: 700; line-height: 1.3; }
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #3d3d56 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto 3.5rem;
  line-height: 1.8;
}
.gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Layout ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }
section { padding: 6rem 0; position: relative; }

/* ===== Glass Card ===== */
.glass-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 2rem;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}
.glass-card:hover {
  transform: translateY(-8px);
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  box-shadow: var(--shadow-hover);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-btn);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease-out);
  font-family: inherit;
}
.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,53,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255,107,53,0.45);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--card-border-hover);
}
.btn-outline:hover {
  background: var(--card-bg-hover);
  border-color: var(--accent-purple);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(245,247,250,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  padding: 0.7rem 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}
.nav-logo .logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-cta);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent-orange);
  transition: width 0.3s var(--ease-out);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-cta .btn { padding: 0.6rem 1.5rem; font-size: 0.9rem; }
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.mobile-toggle span {
  width: 24px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 5rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(108,99,255,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(255,107,53,0.06) 0%, transparent 50%),
              linear-gradient(180deg, #ffffff 0%, var(--bg-primary) 100%);
}
.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-particles .particle {
  position: absolute;
  width: 4px; height: 4px;
  background: rgba(108,99,255,0.2);
  border-radius: 50%;
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-content { max-width: 600px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(108,99,255,0.15);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--accent-purple-light);
  margin-bottom: 1.5rem;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-mockup {
  width: 100%;
  max-width: 500px;
  aspect-ratio: 4/3;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.mockup-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #ffbd2e; }
.mockup-dot:nth-child(3) { background: #28ca42; }
.mockup-body {
  flex: 1;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.mockup-card {
  background: rgba(108,99,255,0.04);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: mockup-fadein 0.6s var(--ease-out) both;
}
.mockup-card:nth-child(1) { animation-delay: 0.3s; }
.mockup-card:nth-child(2) { animation-delay: 0.5s; }
.mockup-card:nth-child(3) { animation-delay: 0.7s; }
.mockup-card:nth-child(4) { animation-delay: 0.9s; }
@keyframes mockup-fadein {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.mockup-card-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.mockup-card-title { font-size: 0.75rem; color: var(--text-muted); }
.mockup-card-value { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); font-family: 'Inter', sans-serif; }
.hero-float-badge {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  animation: float-badge 3s ease-in-out infinite;
  white-space: nowrap;
}
.hero-float-badge:nth-of-type(1) { top: 10%; right: -10%; animation-delay: 0s; }
.hero-float-badge:nth-of-type(2) { bottom: 15%; left: -5%; animation-delay: 1s; }
@keyframes float-badge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.float-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ===== Business Models ===== */
.business-section { background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%); }
.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.business-card {
  text-align: center;
  padding: 2.5rem 2rem;
}
.business-card .card-icon {
  width: 72px; height: 72px;
  border-radius: 18px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
}
.business-card .card-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 22px;
  background: inherit;
  opacity: 0.2;
  filter: blur(12px);
}
.business-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}
.business-card .card-scene {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--accent-purple-light);
  margin-bottom: 1rem;
}
.business-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== Features ===== */
.features-section { position: relative; }
.features-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,99,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  padding: 2rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}
.feature-card .feature-icon {
  width: 52px; height: 52px;
  min-width: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.feature-card p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Marketing Tabs ===== */
.marketing-section { background: linear-gradient(180deg, var(--bg-secondary) 0%, #ffffff 100%); }
.marketing-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 0.7rem 1.8rem;
  border-radius: 50px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  font-family: inherit;
}
.tab-btn:hover { color: var(--text-primary); border-color: var(--card-border-hover); }
.tab-btn.active {
  background: var(--gradient-cta);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,53,0.3);
}
.tab-content { display: none; }
.tab-content.active { display: grid; animation: fadeIn 0.5s var(--ease-out); }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}
.tab-content {
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.tab-info h3 { font-size: 1.6rem; margin-bottom: 1rem; }
.tab-info p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1.5rem; }
.tab-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.tab-tag {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.tab-tag .tag-icon { font-size: 1rem; }
.tab-visual {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.tab-visual-inner {
  width: 80%;
  height: 70%;
  background: linear-gradient(135deg, rgba(108,99,255,0.06), rgba(255,107,53,0.06));
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

/* ===== Roles Section ===== */
.roles-section { position: relative; }
.roles-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.role-btn {
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
  font-family: inherit;
}
.role-btn:hover { color: var(--text-primary); }
.role-btn.active {
  background: var(--gradient-purple);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,0.3);
}
.role-content { display: none; }
.role-content.active { display: grid; animation: fadeIn 0.5s var(--ease-out); }
.role-content {
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.role-info h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
.role-info p { color: var(--text-muted); line-height: 1.8; margin-bottom: 1.5rem; }
.role-features { display: flex; flex-direction: column; gap: 0.8rem; }
.role-feature {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  font-size: 0.95rem;
}
.role-feature .rf-icon {
  width: 36px; height: 36px;
  min-width: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.role-visual {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  position: relative;
  overflow: hidden;
}
.role-phone {
  width: 200px;
  height: 360px;
  background: linear-gradient(180deg, rgba(108,99,255,0.06), rgba(255,107,53,0.06));
  border-radius: 28px;
  border: 2px solid rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
  position: relative;
}
.role-phone::before {
  content: '';
  position: absolute;
  top: 8px;
  width: 60px; height: 4px;
  background: rgba(0,0,0,0.1);
  border-radius: 2px;
}
.phone-screen {
  width: 100%;
  flex: 1;
  margin-top: 1rem;
  background: rgba(255,255,255,0.6);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 2rem;
}
.phone-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ===== Why Choose Us ===== */
.why-section { background: linear-gradient(180deg, #ffffff 0%, var(--bg-secondary) 100%); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.why-card {
  padding: 2.5rem 2rem;
  text-align: center;
}
.why-card .why-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.why-card h3 { font-size: 1.15rem; margin-bottom: 0.8rem; }
.why-card p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* ===== Stats ===== */
.stats-section {
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255,107,53,0.06) 0%, transparent 60%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}
.stat-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(10px);
}
.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Partners ===== */
.partners-section { background: var(--bg-primary); }
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}
.partner-card {
  width: 160px;
  height: 80px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: all 0.3s var(--ease-out);
}
.partner-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--card-border-hover);
  color: var(--text-secondary);
  transform: translateY(-4px);
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-box {
  background: linear-gradient(135deg, rgba(108,99,255,0.08) 0%, rgba(255,107,53,0.08) 100%);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 28px;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(108,99,255,0.06) 0%, transparent 40%),
              radial-gradient(circle at 70% 50%, rgba(255,107,53,0.06) 0%, transparent 40%);
  animation: cta-rotate 20s linear infinite;
}
@keyframes cta-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.cta-box > * { position: relative; z-index: 1; }
.cta-box h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  margin-bottom: 1rem;
}
.cta-box p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ===== Footer ===== */
.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--card-border);
  background: #ffffff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.2rem;
  color: var(--text-primary);
}
.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.7rem;
  transition: color 0.3s;
}
.footer-col a:hover { color: var(--accent-orange); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }

/* ===== Scroll Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.25); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--card-border);
    gap: 1rem;
  }
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-visual { display: none; }
  .tab-content, .role-content { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 4rem 0; }
}
@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 2.5rem 1.5rem; }
}