:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --primary-lighter: #334155;
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-dark: #1d4ed8;
  --accent: #c8912e;
  --accent-light: #f59e0b;
  --accent-dark: #92400e;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-dark: #0f172a;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-heading {
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

input, textarea, select {
  font-family: "Inter", system-ui, sans-serif !important;
  font-size: 16px !important;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s 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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

.text-gradient {
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scroll-indicator {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(200, 145, 46, 0.3);
  border-radius: 999px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}

.scroll-dot {
  width: 3px;
  height: 9px;
  background: rgba(200, 145, 46, 0.5);
  border-radius: 999px;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(7px); opacity: 0.3; }
}

@supports (padding: max(0px)) {
  .safe-area-bottom { padding-bottom: max(1rem, env(safe-area-inset-bottom)); }
  .safe-area-top { padding-top: max(1rem, env(safe-area-inset-top)); }
}

.nav-blur {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  background: var(--blue);
  color: white;
  font-weight: 600;
  border-radius: 999px;
  transition: all 0.3s;
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border: 2px solid #64748b;
  color: #475569;
  font-weight: 600;
  border-radius: 999px;
  background: transparent;
  transition: all 0.3s;
}

.btn-outline:hover {
  background: #475569;
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(71, 85, 105, 0.2);
}

.bg-grid {
  background-image:
    linear-gradient(var(--border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
  background-size: 60px 60px;
}

.btn-arrow::after {
  content: '';
  display: inline-block;
  width: 0.6em;
  height: 0.6em;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s;
  margin-left: 0.25em;
}

.btn-arrow:hover::after {
  transform: rotate(45deg) translate(2px, -2px);
}

.nav-link.active {
  color: #2563eb;
  font-weight: 600;
}