/* ═══════════════════════════════════════════════════════════════
   ATSKY DESIGN SYSTEM — Obsidian & Gold
   Palette: --ink #09090f · --gold #c8a84b · --electric #2563eb
   To swap palette: change the 5 variables in :root only
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ── PALETTE ── */
  --ink:          #09090f;
  --ink-mid:      #111118;
  --ink-card:     #16161f;
  --ink-edge:     #1e1e2a;
  --surface:      #f5f3ef;
  --cream:        #faf8f4;
  --gold:         #c8a84b;
  --gold-dim:     rgba(200,168,75,.16);
  --gold-glow:    rgba(200,168,75,.07);
  --electric:     #2563eb;
  --electric-dim: rgba(37,99,235,.14);
  --sage:         #2d6a4f;
  --ghost:        #6b6b80;
  --border-dark:  rgba(255,255,255,.07);
  --border-light: rgba(0,0,0,.1);

  /* ── TYPOGRAPHY ── */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-label:   'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* ── MOTION ── */
  --ease-out: cubic-bezier(.22,1,.36,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }

/* ── NOISE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  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)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 1000; opacity: .4;
}

/* ── GRID BACKGROUND ── */
.grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 100%);
  pointer-events: none;
}

/* ── NAVIGATION ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4rem; height: 72px;
  background: rgba(9,9,15,.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dark);
  transition: background .3s;
}
.nav-logo {
  font-family: var(--font-label); font-size: 1.25rem;
  font-weight: 700; letter-spacing: .04em;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: var(--font-label); font-size: .78rem;
  font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(245,243,239,.5); transition: color .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--surface); }
.nav-cta {
  font-family: var(--font-label); font-size: .78rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .6rem 1.5rem; background: var(--gold); color: var(--ink);
  border-radius: 2px; transition: opacity .2s, transform .2s;
}
.nav-cta:hover { opacity: .88; transform: translateY(-1px); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 2.25rem; background: var(--gold); color: var(--ink);
  font-family: var(--font-label); font-size: .82rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  border-radius: 2px; transition: opacity .2s, transform .2s;
  border: none; cursor: pointer;
}
.btn-primary:hover { opacity: .88; transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 2.25rem; background: transparent; color: var(--surface);
  font-family: var(--font-label); font-size: .82rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid rgba(245,243,239,.2); border-radius: 2px;
  transition: border-color .2s, background .2s; cursor: pointer;
}
.btn-secondary:hover { border-color: rgba(245,243,239,.5); background: rgba(245,243,239,.05); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.5rem; background: transparent; color: var(--gold);
  font-family: var(--font-label); font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid rgba(200,168,75,.3); border-radius: 2px;
  transition: border-color .2s, background .2s; cursor: pointer;
}
.btn-ghost:hover { border-color: var(--gold); background: var(--gold-glow); }

/* ── SECTION BASE ── */
.section      { padding: 7rem 4rem; }
.section-mid  { padding: 7rem 4rem; background: var(--ink-mid); }
.section-card { padding: 7rem 4rem; background: var(--ink-card); }
.section-light {
  padding: 7rem 4rem;
  background: var(--cream); color: var(--ink);
}

/* ── EYEBROW ── */
.eyebrow {
  font-family: var(--font-label); font-size: .7rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase; color: var(--gold);
  margin-bottom: .85rem;
  display: flex; align-items: center; gap: .75rem;
}
.eyebrow::before {
  content: ''; display: inline-block;
  width: 24px; height: 1px; background: currentColor;
}
.section-light .eyebrow { color: var(--sage); }

/* ── HEADINGS ── */
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -.02em;
  margin-bottom: 1.25rem;
}
.section-sub {
  font-size: 1.05rem; font-weight: 300; line-height: 1.75;
  color: var(--ghost); max-width: 560px; margin-bottom: 3.5rem;
}
.section-light .section-sub { color: #5a5a6a; }

/* ── CARD SHARED ── */
.card-link {
  font-family: var(--font-label); font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--gold);
  display: inline-flex; align-items: center; gap: .5rem;
  transition: gap .2s;
}
.card-link:hover { gap: .8rem; }
.section-light .card-link { color: var(--sage); }

/* ── STATS STRIP ── */
.stats {
  display: grid; grid-template-columns: repeat(4,1fr);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.stat-item {
  padding: 3rem 2rem; border-right: 1px solid var(--border-dark);
  text-align: center; transition: background .3s;
}
.stat-item:last-child { border-right: none; }
.stat-item:hover { background: rgba(200,168,75,.04); }
.stat-num {
  font-family: var(--font-display); font-size: 3rem; font-weight: 700;
  color: var(--gold); display: block; line-height: 1; margin-bottom: .4rem;
}
.stat-desc {
  font-family: var(--font-label); font-size: .72rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ghost); line-height: 1.4;
}

/* ── TESTIMONIAL ── */
.testimonial-section {
  padding: 7rem 4rem; background: var(--ink-mid);
  text-align: center; position: relative; overflow: hidden;
}
.testimonial-section::before {
  content: ''; position: absolute; top: -30%; left: 50%;
  transform: translateX(-50%); width: 600px; height: 400px;
  background: radial-gradient(ellipse, var(--gold-dim) 0%, transparent 70%);
  pointer-events: none;
}
.quote-mark {
  font-family: var(--font-display); font-size: 8rem;
  line-height: .6; color: var(--gold); opacity: .15;
  margin-bottom: 1rem; display: block;
}
.quote-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.65rem);
  font-weight: 400; font-style: italic; line-height: 1.55;
  max-width: 780px; margin: 0 auto 2rem;
  color: rgba(245,243,239,.85);
}
.quote-author {
  font-family: var(--font-label); font-size: .75rem;
  font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold);
}
.quote-role {
  font-family: var(--font-label); font-size: .7rem;
  color: var(--ghost); letter-spacing: .1em;
  text-transform: uppercase; margin-top: .3rem;
}

/* ── PARTNERS ── */
.partners {
  padding: 4rem; border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
}
.partners-label {
  font-family: var(--font-label); font-size: .68rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--ghost); text-align: center; margin-bottom: 2.5rem;
}
.partners-logos {
  display: flex; justify-content: center; align-items: center;
  gap: 3.5rem; flex-wrap: wrap;
}
.partner-logo {
  font-family: var(--font-label); font-size: .88rem; font-weight: 700;
  letter-spacing: .08em; color: rgba(245,243,239,.22);
  text-transform: uppercase; transition: color .25s;
}
.partner-logo:hover { color: rgba(245,243,239,.55); }

/* ── CTA BANNER ── */
.cta-banner {
  padding: 7rem 4rem; text-align: center;
  position: relative; overflow: hidden; background: var(--ink);
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(200,168,75,.08) 0%, transparent 70%);
  pointer-events: none;
}
.cta-banner h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem,4vw,3.25rem); letter-spacing: -.02em;
  margin-bottom: 1rem; position: relative;
}
.cta-banner p {
  font-size: 1.05rem; font-weight: 300;
  color: rgba(245,243,239,.5); margin-bottom: 2.5rem; position: relative;
}
.cta-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* ── FOOTER ── */
footer { background: var(--ink-mid); border-top: 1px solid var(--border-dark); padding: 4rem; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-brand .brand-name {
  font-family: var(--font-label); font-size: 1.1rem;
  font-weight: 700; letter-spacing: .06em; margin-bottom: .75rem;
}
.footer-brand p {
  font-size: .85rem; color: var(--ghost); line-height: 1.65;
  max-width: 280px; margin-bottom: 1.5rem;
}
.footer-address {
  font-family: var(--font-label); font-size: .72rem;
  color: var(--ghost); letter-spacing: .04em; line-height: 1.9;
}
.footer-col h4 {
  font-family: var(--font-label); font-size: .68rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ghost); margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; display: grid; gap: .6rem; }
.footer-col ul a {
  font-size: .85rem; color: rgba(245,243,239,.45); transition: color .2s;
}
.footer-col ul a:hover { color: var(--surface); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; border-top: 1px solid var(--border-dark);
  font-family: var(--font-label); font-size: .7rem;
  color: var(--ghost); letter-spacing: .06em;
}

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  nav { padding: 0 1.5rem; }
  .nav-links { display: none; }
  .section, .section-mid, .section-card, .section-light,
  .cta-banner, .testimonial-section, .partners, footer { padding-left: 1.5rem; padding-right: 1.5rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}