/* DriveVault — Midnight Luxe Theme
   Design tokens from Notion "Design Tokens & UI Reference" */

/* ──────────────────────── Reset & Variables ──────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand */
  --dv-emerald: #059669;
  --dv-emerald-light: #34D399;
  --dv-emerald-dark: #047857;
  --dv-amber: #D97706;
  --dv-amber-light: #FBBF24;
  --dv-amber-dark: #B45309;

  /* Surfaces */
  --dv-bg: #081A10;
  --dv-bg-alt: #0A1F14;
  --dv-bg-card: #0D2318;
  --dv-bg-card-hover: #112E20;
  --dv-bg-glass: rgba(17, 24, 39, 0.7);
  --dv-border: #1D4035;
  --dv-border-light: #2A5A4A;

  /* Text */
  --dv-text-primary: #FEF3C7;
  --dv-text-secondary: #7DB89A;
  --dv-text-muted: #3D7A5E;
  --dv-text-white: #FFFFFF;

  /* Typography */
  --dv-font: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --dv-section-py: 96px;
  --dv-section-px: 24px;
  --dv-max-width: 1200px;
  --dv-card-radius: 16px;
  --dv-pill-radius: 100px;

  /* Shadows */
  --dv-shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --dv-shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --dv-shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --dv-shadow-glow-emerald: 0 0 30px rgba(5,150,105,0.2);
  --dv-shadow-glow-amber: 0 0 30px rgba(217,119,6,0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--dv-bg);
  color: var(--dv-text-primary);
  font-family: var(--dv-font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ──────────────────────── Background Layers ──────────────────────── */
.dv-bg-layer {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}
.dv-bg-layer::before {
  content: ''; position: absolute;
  top: -20%; right: -10%; width: 60vw; height: 60vw;
  background: radial-gradient(ellipse at center, rgba(5,150,105,0.13) 0%, rgba(5,150,105,0.04) 45%, transparent 70%);
  animation: dv-glowDrift 12s ease-in-out infinite alternate;
}
.dv-bg-layer::after {
  content: ''; position: absolute;
  bottom: -15%; left: -8%; width: 50vw; height: 50vw;
  background: radial-gradient(ellipse at center, rgba(217,119,6,0.09) 0%, rgba(217,119,6,0.03) 45%, transparent 70%);
  animation: dv-glowDrift 16s ease-in-out infinite alternate-reverse;
}
.dv-grid-texture {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(5,150,105,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5,150,105,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.dv-noise {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

@keyframes dv-glowDrift {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(3%,4%) scale(1.06); }
}

/* ──────────────────────── Layout Utilities ──────────────────────── */
.dv-container {
  width: 100%;
  max-width: var(--dv-max-width);
  margin: 0 auto;
  padding: 0 var(--dv-section-px);
}

.dv-section {
  position: relative;
  z-index: 1;
  padding: var(--dv-section-py) 0;
}

.dv-section--alt {
  background: var(--dv-bg-alt);
  border-top: 1px solid var(--dv-border);
  border-bottom: 1px solid var(--dv-border);
}

/* ──────────────────────── Typography ──────────────────────── */
.dv-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: rgba(217,119,6,0.1);
  border: 1px solid rgba(217,119,6,0.25);
  border-radius: var(--dv-pill-radius);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--dv-amber-light);
  margin-bottom: 24px;
}

.dv-eyebrow__dot {
  width: 6px; height: 6px;
  background: var(--dv-amber);
  border-radius: 50%;
  animation: dv-pulse 2s ease-in-out infinite;
}

@keyframes dv-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.dv-heading-xl {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -0.04em;
}

.dv-heading-lg {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -0.03em;
}

.dv-heading-md {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600; line-height: 1.2;
  letter-spacing: -0.02em;
}

.dv-text-gradient-emerald {
  background: linear-gradient(135deg, var(--dv-emerald-light) 0%, var(--dv-emerald) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dv-text-gradient-amber {
  background: linear-gradient(135deg, var(--dv-amber-light) 0%, var(--dv-amber) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ──────────────────────── Buttons ──────────────────────── */
.dv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-family: var(--dv-font);
  font-size: 15px; font-weight: 600;
  cursor: pointer; border: none;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.dv-btn--primary {
  background: var(--dv-emerald);
  color: var(--dv-text-white);
  box-shadow: 0 4px 16px rgba(5,150,105,0.3);
}
.dv-btn--primary:hover {
  background: var(--dv-emerald-dark);
  box-shadow: 0 6px 24px rgba(5,150,105,0.4);
  transform: translateY(-1px);
}

.dv-btn--secondary {
  background: transparent;
  color: var(--dv-text-primary);
  border: 1px solid var(--dv-border-light);
}
.dv-btn--secondary:hover {
  border-color: var(--dv-emerald);
  color: var(--dv-emerald-light);
}

.dv-btn--amber {
  background: var(--dv-amber);
  color: var(--dv-text-white);
  box-shadow: 0 4px 16px rgba(217,119,6,0.3);
}
.dv-btn--amber:hover {
  background: var(--dv-amber-dark);
  transform: translateY(-1px);
}

.dv-btn--lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* ──────────────────────── Cards ──────────────────────── */
.dv-card {
  background: var(--dv-bg-card);
  border: 1px solid var(--dv-border);
  border-radius: var(--dv-card-radius);
  padding: 32px;
  transition: all 0.3s ease;
}
.dv-card:hover {
  border-color: var(--dv-border-light);
  transform: translateY(-2px);
  box-shadow: var(--dv-shadow-md);
}

.dv-card--glass {
  background: var(--dv-bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ──────────────────────── Animations ──────────────────────── */
.dv-fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.dv-fade-up.dv-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-dv-delay="1"] { transition-delay: 0.1s; }
[data-dv-delay="2"] { transition-delay: 0.2s; }
[data-dv-delay="3"] { transition-delay: 0.3s; }
[data-dv-delay="4"] { transition-delay: 0.4s; }
[data-dv-delay="5"] { transition-delay: 0.5s; }
[data-dv-delay="6"] { transition-delay: 0.6s; }

/* ──────────────────────── Responsive ──────────────────────── */
@media (max-width: 767px) {
  :root {
    --dv-section-py: 64px;
    --dv-section-px: 20px;
  }
}