@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Inter:wght@300;400;600;800&display=swap');

:root {
  --bg: #0a0a0a;
  --surface: #121212;
  --surface-bright: #1a1a1a;
  --line: rgba(255, 255, 255, 0.08);
  --teal: #00a884;
  --teal-glow: rgba(0, 168, 132, 0.2);
  --text: #ffffff;
  --muted: #888888;
  --green: #22c55e;
  --hot: #ef4444;
  --warm: #f59e0b;
  --cold: #3b82f6;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

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

/* Typography Helpers */
.eyebrow {
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: block;
}

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #a1a1a1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--teal);
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--teal-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--teal);
}

/* Header */
nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(12px);
  z-index: 100;
}

.logo img {
  height: 32px;
  display: block;
}

/* Hamburger & Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 110;
  width: 44px;
  height: 44px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
  pointer-events: none;
}

.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: var(--bg);
  z-index: 105;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transition: all 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  padding: 40px;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu a {
  text-decoration: none;
  color: var(--text);
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-heading);
  transition: color 0.3s;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 24px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero p.sub {
  font-size: 1.25rem;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 40px;
}

/* Feature Grid */
.section-padding {
  padding: 100px 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 40px;
  border-radius: 24px;
  transition: border-color 0.3s;
}

/* Visuals */
.visual-container {
  position: relative;
  width: 100%;
}

.whatsapp-mockup {
  background: #0d1418;
  border-radius: 20px;
  padding: 16px;
  max-width: 320px;
  margin: 0 auto;
  box-shadow: 0 40px 100px rgba(0,0,0,0.5);
  border: 4px solid #1f2c33;
}

.wa-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 12px;
}

.wa-avatar {
  width: 40px;
  height: 40px;
  background: var(--teal);
  border-radius: 50%;
}

.wa-bubble {
  background: #056162;
  padding: 12px 16px;
  border-radius: 12px 12px 0 12px;
  font-size: 0.85rem;
  max-width: 90%;
  margin-left: auto;
  margin-bottom: 12px;
  position: relative;
}

.wa-bubble.agent-alert {
  background: #1f2c33;
  margin-left: 0;
  border-radius: 12px 12px 12px 0;
  border-left: 4px solid var(--teal);
}

/* Dashboard Preview */
.db-preview {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 992px) {
  .hero h1 { font-size: 3rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 80px 0 40px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero h1 { font-size: 2.5rem; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2.25rem; }
  .btn { width: 100%; margin-bottom: 12px; }
  .section-padding { padding: 60px 0; }
  .feature-card { padding: 24px; }
}