/* ─── AAIC.tech - adapted from Dashlane reference (refero-styles) ─── */

:root {
  /* AAIC Brand */
  --bg: #221e1c;
  --surface-1: #2a2624;
  --surface-2: #332e2c;
  --border: rgba(83, 77, 75, .3);
  --dark-gray: #534d4b;
  --light-gray: #b1a8a9;
  --gradient-brand: linear-gradient(135deg, #1c4587, #e20741);
  --gradient-text: linear-gradient(135deg, #534d4b, #b1a8a9);
  --blue: #1c4587;
  --magenta: #e20741;

  /* Typography - Proxima Nova with system fallback */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Type Scale (Dashlane-derived) */
  --text-caption: 12px;
  --text-body-sm: 14px;
  --text-body: 16px;
  --text-subheading: 18px;
  --text-heading-sm: 28px;
  --text-heading: 36px;
  --text-heading-lg: 48px;
  --text-display: 56px;

  /* Spacing */
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-40: 40px;
  --spacing-56: 56px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-120: 120px;

  /* Layout */
  --page-max-width: 1200px;
  --section-gap: 40px;
  --card-padding: 32px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 9999px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--light-gray);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }

/* ─── Utility: gradients ─── */
.grad-brand {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.grad-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.color-dark { color: var(--dark-gray); -webkit-text-fill-color: var(--dark-gray); }

/* ─── Logo ─── */
.logo {
  font-weight: 700;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
}

.logo-tech { vertical-align: baseline; }

.logo-nav { font-size: 24px; }
.logo-nav .logo-tech { font-size: 12px; }

.logo-hero {
  font-size: clamp(100px, 18vw, 200px);
}
.logo-hero span {
  color: var(--dark-gray);
  -webkit-text-fill-color: var(--dark-gray);
}
.logo-hero .logo-tech { font-size: clamp(40px, 7vw, 70px); }

/* ─── Nav ─── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(34, 30, 28, .55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-16) var(--spacing-24);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: var(--spacing-24);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-body-sm);
  font-weight: 500;
  color: var(--dark-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all .15s;
}

.nav-links a:hover {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-cta {
  font-size: var(--text-body-sm);
  font-weight: 600;
  padding: var(--spacing-8) var(--spacing-20);
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  color: #fff;
  transition: opacity .15s;
}

.nav-cta:hover { opacity: .88; }

/* ─── Layout ─── */
.page {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

section {
  padding: var(--spacing-120) 0;
}

section + section {
  border-top: 1px solid var(--border);
}

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: var(--spacing-32);
  padding-bottom: var(--spacing-40);
  margin-top: calc(-1 * var(--spacing-64));
}

.hero-tagline {
  font-size: clamp(var(--text-heading-sm), 4vw, var(--text-heading-lg));
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
}

.hero-sub {
  font-size: var(--text-subheading);
  color: var(--light-gray);
  max-width: 600px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-16);
  flex-wrap: wrap;
  justify-content: center;
  padding-top: var(--spacing-8);
}

/* ─── Carousel ─── */
.carousel-wrapper {
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  padding: var(--spacing-24) 0;
}

.carousel-track {
  display: flex;
  gap: var(--spacing-8);
  white-space: nowrap;
  width: max-content;
  animation: carousel-scroll 120s linear infinite;
}

.carousel-track span {
  font-size: var(--text-body-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--light-gray);
  transition: none;
}

.carousel-track .kw-sep {
  color: var(--dark-gray);
}

@keyframes carousel-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  padding: var(--spacing-12) var(--spacing-24);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all .15s;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
}

.btn-primary:hover { opacity: .88; }

.btn-ghost {
  background: transparent;
  color: var(--light-gray);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--dark-gray);
  color: #fff;
}

/* ─── Section headings ─── */
.section-label {
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-16);
  background: linear-gradient(90deg, #534d4b, #b1a8a9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  width: fit-content;
}

.section-title {
  font-size: clamp(var(--text-heading-sm), 3.5vw, var(--text-heading));
  font-weight: 300;
  line-height: 1.17;
  letter-spacing: -0.02em;
  color: #fff;
  max-width: 700px;
  margin-bottom: var(--spacing-24);
}

/* ─── Cards grid ─── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-24);
}

.card {
  background: var(--surface-1);
  border-radius: var(--radius-md);
  padding: var(--spacing-40);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, #1c4587, #e20741);
  opacity: 0;
  filter: blur(20px);
  z-index: -1;
  transition: opacity .6s ease;
}

.card:hover::before {
  opacity: .55;
}

.card-accent { background: var(--surface-1); }

.card-icon {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  display: inline-block;
}

.card-title {
  font-size: var(--text-subheading);
  font-weight: 600;
  color: #fff;
}

.card-body {
  font-size: var(--text-body);
  color: var(--light-gray);
  line-height: 1.6;
}

/* ─── Keyword cloud ─── */
.keywords {
  font-size: clamp(var(--text-body-sm), 1.6vw, var(--text-subheading));
  font-weight: 600;
  text-transform: uppercase;
  line-height: 1.8;
  letter-spacing: 0.02em;
  max-width: 900px;
}

.keywords span { margin-right: .35em; }
.kw-sep { color: var(--dark-gray); margin: 0 .1em; }

/* ─── Stats row ─── */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-24);
  padding-top: var(--spacing-40);
}

.stat-value {
  font-size: var(--text-heading-lg);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-body-sm);
  color: var(--dark-gray);
  margin-top: var(--spacing-4);
}

/* ─── Pill tags ─── */
.pill {
  display: inline-flex;
  padding: var(--spacing-4) var(--spacing-16);
  border-radius: var(--radius-full);
  font-size: var(--text-body-sm);
  font-weight: 500;
  border: 1px solid var(--border);
  color: var(--light-gray);
}

.pill-brand {
  border-color: transparent;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 600;
}

/* ─── CTA section ─── */
.cta-block {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-24);
}

.cta-block .section-title { max-width: 600px; }

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--spacing-40) var(--spacing-24);
  text-align: center;
  font-size: var(--text-body-sm);
  color: var(--dark-gray);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  section { padding: var(--spacing-80) 0; }
  .hero { min-height: 60vh; }
  .nav-links { display: none; }
  .card { padding: var(--spacing-24); }
}