/* ===== Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Noto+Sans+Thai:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-deep: #030712;
  --bg-card: rgba(255,255,255,0.04);
  --border-card: rgba(255,255,255,0.08);
  --cyan: #06b6d4;
  --cyan-light: #22d3ee;
  --violet: #8b5cf6;
  --violet-light: #a78bfa;
  --emerald: #10b981;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family:'Inter','Noto Sans Thai',sans-serif;
  background: var(--bg-deep);
  color: #e2e8f0;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ===== Backgrounds ===== */
.bg-hero {
  background: 
    radial-gradient(800px 600px at 80% 20%, rgba(6,182,212,0.12), transparent 50%),
    radial-gradient(600px 400px at 20% 60%, rgba(139,92,246,0.1), transparent 50%),
    linear-gradient(180deg, #030712 0%, #0f172a 50%, #030712 100%);
}
.bg-section-alt {
  background: linear-gradient(180deg, rgba(15,23,42,0.5) 0%, rgba(3,7,18,1) 100%);
}
.bg-ai-glow {
  background:
    radial-gradient(600px at 50% 30%, rgba(139,92,246,0.15), transparent 60%),
    linear-gradient(180deg, #030712, #0f172a);
}
.bg-cta {
  background: linear-gradient(135deg, #0e7490 0%, #06b6d4 50%, #8b5cf6 100%);
}

/* ===== Glass Cards ===== */
.glass {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 1.25rem;
  transition: all 0.4s cubic-bezier(0.4,0,0.2,1);
}
.glass:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(6,182,212,0.3);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(6,182,212,0.15);
}
.glass-static {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(12px);
  border-radius: 1.25rem;
}

/* ===== Gradient Text ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-emerald {
  background: linear-gradient(135deg, var(--emerald) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Buttons ===== */
.btn-primary {
  display:inline-flex; align-items:center; gap:0.75rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, var(--cyan) 0%, #0891b2 100%);
  color: white; font-weight:600; border-radius:1rem;
  text-decoration:none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px -4px rgba(6,182,212,0.4);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow: 0 8px 30px -4px rgba(6,182,212,0.5);
}
.btn-outline {
  display:inline-flex; align-items:center; gap:0.75rem;
  padding: 0.875rem 2rem;
  border: 1px solid rgba(255,255,255,0.2);
  color: white; font-weight:600; border-radius:1rem;
  text-decoration:none;
  transition: all 0.3s ease;
}
.btn-outline:hover {
  border-color: var(--cyan);
  background: rgba(6,182,212,0.1);
}
.btn-line {
  display:inline-flex; align-items:center; gap:0.75rem;
  padding: 1rem 2.5rem;
  background: #06C755;
  color: white; font-weight:700; border-radius:1rem;
  text-decoration:none; font-size:1.125rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px -4px rgba(6,199,85,0.4);
}
.btn-line:hover {
  background:#05b34d;
  transform:translateY(-2px);
  box-shadow: 0 8px 30px -4px rgba(6,199,85,0.5);
}

/* ===== Header ===== */
.header-glass {
  background: rgba(3,7,18,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ===== Animations ===== */
.fade-up {
  opacity:0; transform:translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity:1; transform:translateY(0);
}
.fade-up-delay-1 { transition-delay:0.1s; }
.fade-up-delay-2 { transition-delay:0.2s; }
.fade-up-delay-3 { transition-delay:0.3s; }

@keyframes float {
  0%,100% { transform:translateY(0px); }
  50% { transform:translateY(-12px); }
}
.float { animation: float 6s ease-in-out infinite; }
.float-delay { animation: float 6s ease-in-out 2s infinite; }

@keyframes pulse-glow {
  0%,100% { box-shadow: 0 0 20px rgba(6,182,212,0.2); }
  50% { box-shadow: 0 0 40px rgba(6,182,212,0.4); }
}
.pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }

/* ===== Timeline ===== */
.timeline-line {
  position:absolute; left:1.75rem; top:3.5rem; bottom:0;
  width:2px; background: linear-gradient(180deg, var(--cyan), var(--violet), transparent);
}
.timeline-dot {
  width:3.5rem; height:3.5rem; border-radius:1rem;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; color:white; flex-shrink:0;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 20px rgba(6,182,212,0.3);
}

/* ===== Icon Boxes ===== */
.icon-box {
  width:3.5rem; height:3.5rem; border-radius:0.875rem;
  display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; flex-shrink:0;
}
.icon-cyan { background:rgba(6,182,212,0.15); color:var(--cyan); }
.icon-violet { background:rgba(139,92,246,0.15); color:var(--violet); }
.icon-emerald { background:rgba(16,185,129,0.15); color:var(--emerald); }
.icon-amber { background:rgba(245,158,11,0.15); color:#f59e0b; }

/* ===== Stats ===== */
.stat-number {
  font-size:3rem; font-weight:900; line-height:1;
}

/* ===== Product Cards ===== */
.product-card {
  background: var(--bg-card);
  border:1px solid var(--border-card);
  border-radius:1.25rem;
  overflow:hidden;
  transition: all 0.4s ease;
}
.product-card:hover {
  border-color: rgba(6,182,212,0.3);
  transform:translateY(-4px);
  box-shadow: 0 16px 40px -8px rgba(6,182,212,0.15);
}

/* ===== Section spacing ===== */
.section-padding { padding: 5rem 0; }
@media(min-width:1024px) { .section-padding { padding:7rem 0; } }
.container { max-width:80rem; margin:0 auto; padding:0 1.5rem; }

/* ===== Nav Mobile ===== */
.nav-mobile {
  display:none; position:fixed; inset:0; z-index:100;
  background:rgba(3,7,18,0.95); backdrop-filter:blur(20px);
  flex-direction:column; align-items:center; justify-content:center; gap:2rem;
}
.nav-mobile.open { display:flex; }
.nav-mobile a { color:white; font-size:1.25rem; font-weight:600; text-decoration:none; }
.hamburger { display:none; background:none; border:none; color:white; font-size:1.5rem; cursor:pointer; }
@media(max-width:768px) {
  .hamburger { display:block; }
  .nav-desktop { display:none !important; }
}

/* ===== Misc ===== */
.badge {
  display:inline-flex; align-items:center; gap:0.5rem;
  padding:0.375rem 1rem; border-radius:9999px;
  font-size:0.8rem; font-weight:600;
}
.section-label {
  display:inline-flex; align-items:center; gap:0.5rem;
  padding:0.375rem 1rem; border-radius:9999px;
  font-size:0.8rem; font-weight:600; letter-spacing:0.05em;
  background:rgba(6,182,212,0.1); color:var(--cyan);
  margin-bottom:1rem;
}
.section-title {
  font-size:2rem; font-weight:800; color:white; margin-bottom:1rem;
  line-height:1.2;
}
@media(min-width:1024px) { .section-title { font-size:2.5rem; } }
.section-desc {
  font-size:1.1rem; color:rgba(255,255,255,0.6); max-width:40rem; line-height:1.7;
}

a { color: inherit; }