/* ====== RESET & BASE ====== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'SF Pro Display', -apple-system, 'Noto Sans TC', 'Segoe UI', sans-serif;
  color: #1e293b;
  background: #f8fafc;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ====== CSS VARIABLES ====== */
:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a5f;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ====== UTILITIES ====== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em;
  color: var(--blue-600); text-transform: uppercase;
  background: var(--blue-50); border: 1px solid var(--blue-200);
  padding: 6px 14px; border-radius: 20px; margin-bottom: 16px;
}
.section-title {
  font-size: 36px; font-weight: 700; letter-spacing: -0.03em;
  color: var(--slate-900); line-height: 1.2; margin-bottom: 16px;
}
.section-subtitle {
  font-size: 17px; color: var(--slate-500); max-width: 640px;
  margin: 0 auto 56px; line-height: 1.7;
}
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====== ANIMATED BG ====== */
.bg-grid {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(59,130,246,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: -2; pointer-events: none;
}
.bg-glow {
  position: fixed; top: -300px; right: -200px; width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  z-index: -1; pointer-events: none;
}
.bg-glow-2 {
  position: fixed; bottom: -200px; left: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.05) 0%, transparent 70%);
  z-index: -1; pointer-events: none;
}

/* ====== NAVBAR ====== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.82); backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(59,130,246,0.08);
  transition: var(--transition);
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1200px; margin: 0 auto; padding: 0 32px;
}
.navbar-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.navbar-logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-400));
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 16px;
}
.navbar-logo-text { font-size: 18px; font-weight: 700; color: var(--slate-900); letter-spacing: -0.02em; }
.navbar-links { display: flex; gap: 32px; }
.navbar-links a {
  font-size: 14px; font-weight: 500; color: var(--slate-500);
  text-decoration: none; transition: var(--transition);
  position: relative;
}
.navbar-links a:hover, .navbar-links a.active { color: var(--blue-600); }
.navbar-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--blue-500); transition: var(--transition);
}
.navbar-links a:hover::after, .navbar-links a.active::after { width: 100%; }
.navbar-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; font-size: 14px; font-weight: 600;
  padding: 9px 20px; border-radius: 8px; border: none; cursor: pointer;
  text-decoration: none; transition: var(--transition);
  box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}
.navbar-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,0.4); }

/* Mobile Menu */
.mobile-menu-btn {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--slate-600); padding: 4px;
}
.mobile-menu {
  display: none; flex-direction: column; padding: 12px 32px 20px;
  border-top: 1px solid var(--slate-100);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 10px 0; font-size: 15px; font-weight: 500;
  color: var(--slate-600); text-decoration: none;
  border-bottom: 1px solid var(--slate-100);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--blue-600); }

/* ====== HERO ====== */
.hero {
  padding: 160px 0 100px; text-align: center;
  position: relative; overflow: hidden;
}
.page-hero {
  padding: 140px 0 48px; text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 1px solid var(--blue-200);
  padding: 8px 18px; border-radius: 24px; font-size: 13px;
  color: var(--blue-700); font-weight: 500; margin-bottom: 28px;
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 0.6s ease-out;
}
.hero-badge-dot { width: 7px; height: 7px; background: var(--blue-500); border-radius: 50%; animation: pulse 2s infinite; }
.hero h1 {
  font-size: 56px; font-weight: 800; letter-spacing: -0.04em;
  line-height: 1.1; margin-bottom: 24px; color: var(--slate-900);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}
.hero p {
  font-size: 19px; color: var(--slate-500); max-width: 620px;
  margin: 0 auto 40px; line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}
.hero-actions {
  display: flex; gap: 16px; justify-content: center;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; font-size: 15px; font-weight: 600;
  padding: 14px 32px; border-radius: 10px; border: none; cursor: pointer;
  text-decoration: none; transition: var(--transition);
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.4); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); color: var(--slate-700); font-size: 15px; font-weight: 600;
  padding: 14px 32px; border-radius: 10px; border: 1px solid var(--slate-200);
  cursor: pointer; text-decoration: none; transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--blue-300); color: var(--blue-600); background: var(--blue-50); }

/* Hero Mockup */
.hero-visual {
  margin-top: 64px; position: relative; height: 360px;
  animation: fadeInUp 0.6s ease-out 0.4s both;
}
.hero-mockup {
  position: relative; max-width: 900px; margin: 0 auto;
  background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--blue-100); box-shadow: var(--shadow-xl);
  padding: 24px; min-height: 320px; overflow: hidden;
}
.mockup-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 20px;
  padding-bottom: 16px; border-bottom: 1px solid var(--slate-100);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot.red { background: #f87171; }
.mockup-dot.yellow { background: #fbbf24; }
.mockup-dot.green { background: #34d399; }
.mockup-url {
  flex: 1; margin-left: 12px; background: var(--slate-50); border-radius: 6px;
  padding: 6px 14px; font-size: 12px; color: var(--slate-400);
}
.mockup-body { display: flex; gap: 16px; }
.mockup-sidebar {
  width: 180px; flex-shrink: 0; background: var(--slate-50);
  border-radius: 10px; padding: 14px;
}
.mockup-nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: 6px; font-size: 12px;
  color: var(--slate-500); margin-bottom: 4px; transition: var(--transition);
}
.mockup-nav-item.active { background: var(--blue-50); color: var(--blue-600); font-weight: 600; }
.mockup-nav-icon { width: 16px; height: 16px; border-radius: 4px; background: var(--slate-200); flex-shrink: 0; }
.mockup-nav-item.active .mockup-nav-icon { background: var(--blue-200); }
.mockup-content { flex: 1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mockup-card {
  background: var(--slate-50); border-radius: 10px; padding: 16px;
  border: 1px solid var(--slate-100);
}
.mockup-card-value { font-size: 22px; font-weight: 700; color: var(--slate-800); letter-spacing: -0.02em; }
.mockup-card-label { font-size: 11px; color: var(--slate-400); margin-top: 4px; }
.mockup-card-bar { height: 4px; background: var(--slate-200); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.mockup-card-bar-fill { height: 100%; border-radius: 2px; }
.bar-blue { background: linear-gradient(90deg, var(--blue-400), var(--blue-600)); width: 78%; }
.bar-green { background: linear-gradient(90deg, #34d399, #059669); width: 92%; }
.bar-purple { background: linear-gradient(90deg, #a78bfa, #7c3aed); width: 65%; }

/* Floating elements */
.float-card {
  position: absolute; background: var(--white); border-radius: var(--radius);
  padding: 14px 18px; box-shadow: var(--shadow-lg);
  border: 1px solid var(--blue-100); font-size: 13px;
  animation: float 6s ease-in-out infinite;
}
.float-card-1 { top: 20px; right: -30px; animation-delay: 0s; }
.float-card-2 { bottom: 40px; left: -20px; animation-delay: 2s; }
.float-card-icon { font-size: 20px; margin-bottom: 6px; }
.float-card-title { font-weight: 600; color: var(--slate-800); font-size: 13px; }
.float-card-desc { color: var(--slate-400); font-size: 11px; }

/* ====== STATS BAR ====== */
.stats-bar {
  background: var(--white); border: 1px solid var(--blue-100);
  border-radius: var(--radius-lg); padding: 32px 48px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 32px; max-width: 900px; margin: -40px auto 0;
  position: relative; z-index: 2; box-shadow: var(--shadow-lg);
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 32px; font-weight: 800; letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--blue-700), var(--blue-500));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.stat-label { font-size: 13px; color: var(--slate-500); margin-top: 4px; font-weight: 500; }

/* ====== PLATFORMS ====== */
.platforms-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  margin-top: 48px;
}
.platform-card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg); padding: 32px 24px;
  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: linear-gradient(90deg, var(--blue-400), var(--blue-600));
  opacity: 0; transition: var(--transition);
}
.platform-card:hover { border-color: var(--blue-300); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.platform-card:hover::before { opacity: 1; }
.platform-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 28px;
}
.platform-icon.telegram { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
.platform-icon.line { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.platform-icon.whatsapp { background: linear-gradient(135deg, #e8f5e9, #c8e6c9); }
.platform-icon.web { background: linear-gradient(135deg, #ede7f6, #d1c4e9); }
.platform-name { font-size: 16px; font-weight: 700; color: var(--slate-800); margin-bottom: 8px; }
.platform-desc { font-size: 13px; color: var(--slate-500); line-height: 1.6; }

/* ====== FEATURES ====== */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: var(--transition); position: relative;
}
.feature-card:hover {
  border-color: var(--blue-300); transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(59,130,246,0.1);
}
.feature-icon-wrap {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; font-size: 22px;
}
.feature-icon-wrap.blue { background: linear-gradient(135deg, var(--blue-50), var(--blue-100)); }
.feature-icon-wrap.green { background: linear-gradient(135deg, #ecfdf5, #d1fae5); }
.feature-icon-wrap.purple { background: linear-gradient(135deg, #f5f3ff, #ede9fe); }
.feature-icon-wrap.amber { background: linear-gradient(135deg, #fffbeb, #fef3c7); }
.feature-icon-wrap.rose { background: linear-gradient(135deg, #fff1f2, #ffe4e6); }
.feature-icon-wrap.cyan { background: linear-gradient(135deg, #ecfeff, #cffafe); }
.feature-title { font-size: 17px; font-weight: 700; color: var(--slate-800); margin-bottom: 10px; letter-spacing: -0.01em; }
.feature-desc { font-size: 14px; color: var(--slate-500); line-height: 1.7; margin-bottom: 16px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.feature-tag {
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 4px;
  background: var(--blue-50); color: var(--blue-600); border: 1px solid var(--blue-100);
}
.feature-tag.green { background: #ecfdf5; color: #059669; border-color: #d1fae5; }
.feature-tag.purple { background: #f5f3ff; color: #7c3aed; border-color: #ede9fe; }

/* ====== SOLVE ====== */
.solve-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.solve-card {
  display: flex; gap: 20px; background: var(--white);
  border: 1px solid var(--slate-200); border-radius: var(--radius-lg);
  padding: 28px; transition: var(--transition);
}
.solve-card:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); }
.solve-number {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: white; font-size: 18px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.solve-content { flex: 1; }
.solve-title { font-size: 16px; font-weight: 700; color: var(--slate-800); margin-bottom: 8px; }
.solve-desc { font-size: 13px; color: var(--slate-500); line-height: 1.7; }

/* ====== API ====== */
.api-section { background: linear-gradient(180deg, var(--blue-50) 0%, var(--slate-50) 100%); }
.api-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.api-code {
  background: var(--slate-900); border-radius: var(--radius-lg);
  padding: 28px; font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px; line-height: 1.8; color: #e2e8f0;
  box-shadow: var(--shadow-xl); position: relative; overflow: hidden;
}
.api-code::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue-400), #a78bfa, var(--blue-400));
}
.api-code-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
  padding-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.code-dot { width: 8px; height: 8px; border-radius: 50%; }
.code-comment { color: #64748b; }
.code-keyword { color: #93c5fd; }
.code-string { color: #86efac; }
.code-func { color: #c4b5fd; }
.code-prop { color: #fde68a; }
.api-features { display: flex; flex-direction: column; gap: 20px; }
.api-feature-item {
  display: flex; gap: 16px; padding: 20px; background: var(--white);
  border-radius: var(--radius); border: 1px solid var(--blue-100);
  transition: var(--transition);
}
.api-feature-item:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); }
.api-feature-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.api-feature-title { font-size: 15px; font-weight: 700; color: var(--slate-800); margin-bottom: 4px; }
.api-feature-desc { font-size: 13px; color: var(--slate-500); line-height: 1.6; }

/* ====== AI MODELS ====== */
.models-grid {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
  margin-top: 48px;
}
.model-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: 10px; padding: 14px 22px; transition: var(--transition);
}
.model-chip:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.model-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.model-dot.gpt { background: linear-gradient(135deg, #10b981, #059669); }
.model-dot.claude { background: linear-gradient(135deg, #f59e0b, #d97706); }
.model-dot.o { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.model-name { font-size: 14px; font-weight: 600; color: var(--slate-700); }
.model-type { font-size: 11px; color: var(--slate-400); }

/* ====== WORKFLOW ====== */
.workflow-visual {
  display: flex; align-items: center; justify-content: center; gap: 0;
  margin-top: 48px; flex-wrap: wrap;
}
.workflow-step {
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 20px; width: 180px;
}
.workflow-step-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--white); border: 2px solid var(--blue-200);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 12px; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.workflow-step:hover .workflow-step-icon {
  border-color: var(--blue-400); box-shadow: 0 4px 16px rgba(59,130,246,0.15);
  transform: scale(1.05);
}
.workflow-step-title { font-size: 13px; font-weight: 700; color: var(--slate-700); text-align: center; }
.workflow-step-desc { font-size: 11px; color: var(--slate-400); text-align: center; margin-top: 4px; }
.workflow-arrow {
  font-size: 20px; color: var(--blue-300); margin: 0 -4px;
  align-self: center; margin-bottom: 30px;
}

/* ====== CTA ====== */
.cta-section {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  border-radius: var(--radius-xl); padding: 72px 48px;
  text-align: center; color: white; position: relative; overflow: hidden;
  margin: 0 32px;
}
.cta-section::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 500px; height: 500px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.cta-section::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 400px; height: 400px; border-radius: 50%;
  background: rgba(255,255,255,0.03);
}
.cta-title { font-size: 36px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; position: relative; z-index: 1; }
.cta-desc { font-size: 17px; opacity: 0.85; max-width: 520px; margin: 0 auto 36px; line-height: 1.7; position: relative; z-index: 1; }
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: white; color: var(--blue-700); font-size: 16px; font-weight: 700;
  padding: 16px 36px; border-radius: 10px; border: none; cursor: pointer;
  text-decoration: none; transition: var(--transition);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15); position: relative; z-index: 1;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

/* ====== FOOTER ====== */
.footer {
  padding: 48px 0; text-align: center; color: var(--slate-400);
  font-size: 13px; border-top: 1px solid var(--slate-200); margin-top: 96px;
}
.footer-brand { font-size: 16px; font-weight: 700; color: var(--slate-700); margin-bottom: 8px; }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 16px; }
.footer-links a { color: var(--slate-500); text-decoration: none; font-size: 14px; font-weight: 500; transition: var(--transition); }
.footer-links a:hover { color: var(--blue-600); }

/* ====== PRICING ====== */
.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1100px; margin: 0 auto;
}
.pricing-card {
  background: var(--white); border: 2px solid var(--slate-200);
  border-radius: var(--radius-xl); padding: 36px 32px;
  transition: var(--transition); position: relative;
  display: flex; flex-direction: column;
}
.pricing-card:hover { border-color: var(--blue-300); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.popular {
  border-color: var(--blue-500);
  box-shadow: 0 8px 40px rgba(37,99,235,0.15);
  transform: scale(1.03);
}
.pricing-card.popular:hover { transform: scale(1.03) translateY(-4px); }
.pricing-popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; font-size: 13px; font-weight: 700;
  padding: 6px 20px; border-radius: 20px;
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}
.pricing-header { margin-bottom: 24px; }
.pricing-plan-name { font-size: 22px; font-weight: 700; color: var(--slate-800); margin-bottom: 4px; }
.pricing-plan-desc { font-size: 14px; color: var(--slate-500); }
.pricing-price { margin-bottom: 28px; display: flex; align-items: baseline; gap: 2px; }
.pricing-currency { font-size: 20px; font-weight: 700; color: var(--slate-600); }
.pricing-amount { font-size: 48px; font-weight: 800; color: var(--slate-900); letter-spacing: -0.03em; }
.pricing-period { font-size: 16px; color: var(--slate-400); margin-left: 4px; }
.pricing-features {
  list-style: none; display: flex; flex-direction: column; gap: 14px;
  margin-bottom: 32px; flex: 1;
}
.pricing-features li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; color: var(--slate-600);
}
.pricing-features li strong { color: var(--slate-800); }
.pricing-btn {
  display: block; text-align: center; padding: 14px 24px;
  border-radius: 10px; font-size: 15px; font-weight: 600;
  text-decoration: none; transition: var(--transition);
  background: var(--white); color: var(--blue-600);
  border: 2px solid var(--blue-200);
}
.pricing-btn:hover { background: var(--blue-50); border-color: var(--blue-400); }
.pricing-btn.primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; border: none;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}
.pricing-btn.primary:hover { box-shadow: 0 8px 24px rgba(37,99,235,0.4); transform: translateY(-1px); }

/* ====== POINTS ====== */
.points-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.points-card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition);
}
.points-card:hover { border-color: var(--blue-300); box-shadow: var(--shadow-md); }
.points-card-header {
  padding: 20px 24px; border-bottom: 1px solid var(--slate-100);
  background: var(--slate-50);
}
.points-card-title { font-size: 16px; font-weight: 700; color: var(--slate-800); }
.points-card-subtitle { font-size: 12px; color: var(--slate-500); margin-top: 2px; }
.points-card-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 14px; }
.points-model-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid var(--slate-50);
}
.points-model-row:last-child { border-bottom: none; }
.points-model-name {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--slate-700); font-weight: 500;
}
.points-model-cost {
  font-size: 14px; font-weight: 700; color: var(--blue-600);
  background: var(--blue-50); padding: 4px 12px; border-radius: 6px;
}

/* Points Addon */
.points-addon {
  margin-top: 40px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.points-addon-inner {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--white); border: 2px solid var(--blue-200);
  border-radius: var(--radius-lg); padding: 28px 36px;
  box-shadow: var(--shadow-md);
}
.points-addon-title { font-size: 18px; font-weight: 700; color: var(--slate-800); }
.points-addon-desc { font-size: 14px; color: var(--slate-500); margin-top: 4px; }
.points-addon-amount { font-size: 28px; font-weight: 800; color: var(--blue-600); }
.points-addon-eq { display: block; font-size: 13px; color: var(--slate-500); text-align: right; }

/* ====== FAQ ====== */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius); overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--blue-200); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; background: none; border: none; cursor: pointer;
  font-size: 15px; font-weight: 600; color: var(--slate-800);
  text-align: left; transition: var(--transition);
}
.faq-question:hover { color: var(--blue-600); }
.faq-arrow { transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p { padding: 0 24px 20px; font-size: 14px; color: var(--slate-500); line-height: 1.7; }

/* ====== CONTACT ====== */
.contact-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px;
  max-width: 960px; margin: 0 auto;
}
.contact-form-card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl); padding: 40px;
  box-shadow: var(--shadow-md);
}
.contact-form-title { font-size: 22px; font-weight: 700; color: var(--slate-800); margin-bottom: 28px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--slate-700); margin-bottom: 6px; }
.required { color: #ef4444; }
.form-input {
  width: 100%; padding: 12px 16px; border: 1px solid var(--slate-200);
  border-radius: 8px; font-size: 14px; color: var(--slate-800);
  background: var(--white); transition: var(--transition);
  font-family: inherit;
}
.form-input:focus { outline: none; border-color: var(--blue-400); box-shadow: 0 0 0 3px rgba(59,130,246,0.1); }
.form-input::placeholder { color: var(--slate-400); }
.form-select { appearance: none; cursor: pointer; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit {
  width: 100%; padding: 14px 24px; border: none; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: white; font-size: 16px; font-weight: 700; cursor: pointer;
  transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}
.form-submit:hover { box-shadow: 0 8px 24px rgba(37,99,235,0.4); transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-success {
  text-align: center; padding: 40px 20px;
}
.form-success-icon { font-size: 48px; margin-bottom: 16px; }
.form-success h3 { font-size: 22px; font-weight: 700; color: var(--slate-800); margin-bottom: 8px; }
.form-success p { font-size: 15px; color: var(--slate-500); }

/* Contact Info Cards */
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-info-card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius); padding: 24px; transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--blue-200); box-shadow: var(--shadow-sm); }
.contact-info-icon { font-size: 24px; margin-bottom: 8px; }
.contact-info-title { font-size: 15px; font-weight: 700; color: var(--slate-800); margin-bottom: 4px; }
.contact-info-desc { font-size: 13px; color: var(--slate-500); line-height: 1.6; }

/* ====== ANIMATIONS ====== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.spin { animation: spin 1s linear infinite; }

/* Scroll animations */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
  .hero h1 { font-size: 42px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .solve-grid { grid-template-columns: 1fr; }
  .api-grid { grid-template-columns: 1fr; }
  .platforms-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-4px); }
  .points-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 32px; }
  .section-title { font-size: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 24px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .navbar-links { display: none; }
  .navbar-cta { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-visual { display: none; }
  .workflow-visual { flex-direction: column; }
  .workflow-arrow { transform: rotate(90deg); }
  .cta-section { margin: 0 16px; padding: 48px 24px; }
  .contact-form-card { padding: 24px; }
  .points-addon-inner { flex-direction: column; gap: 16px; text-align: center; }
}