*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --ink: #1B2838; --ink-hover: #15202e; --ink-light: #2c3f55;
  --amber: #C8954A; --amber-light: #e8d5a8; --sand: #F5F0EA;
  --glass: rgba(255,255,255,0.08); --glass-hover: rgba(255,255,255,0.16);
  --glass-border: rgba(255,255,255,0.12); --glass-radius: 20px;
  --font-display: Inter, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-body: Inter, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --section-gap: 100px;
}
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #f9fafb;
  color: #111827;
}
img, svg, video { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a:focus-visible, button:focus-visible, [tabindex]:not([tabindex="-1"]):focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
ul { list-style: none; }

.glass {
  background: var(--glass);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease, box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.glass:hover { transform: translateY(-6px); background: var(--glass-hover); border-color: rgba(255,255,255,0.22); box-shadow: 0 24px 60px rgba(0,0,0,0.12); }
.glass-light {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--glass-radius);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.glass-light:hover { transform: translateY(-4px); box-shadow: 0 24px 60px rgba(0,0,0,0.06); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(0.94); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }

.section-label {
  display: inline-block;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 100px; margin-bottom: 16px;
}
.section-title { font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 300; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 16px; }
.section-desc { font-size: 1.0625rem; line-height: 1.65; max-width: 36rem; color: #6b7280; }

.hero-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  max-width: 90rem; margin: 0 auto; width: 100%;
  padding: 20px 32px; display: flex; align-items: center; justify-content: space-between;
}
.hero-nav.glass-nav {
  margin-top: 14px; border-radius: 100px; padding: 12px 28px;
  background: rgba(27,40,56,0.7);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}
.hero-nav .brand { color: #fff; }
.brand-link { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 32px; height: 32px; background: var(--amber); border-radius: 8px; display: grid; place-items: center; font-size: 14px; font-weight: 700; color: #1B2838; }
.hero-nav .nav-menu { display: flex; align-items: center; gap: 6px; }
.hero-nav .nav-link { padding: 8px 16px; border-radius: 100px; font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,0.75); transition: all 0.25s ease; text-decoration: none; }
.hero-nav .nav-link:hover { background: rgba(255,255,255,0.12); color: #fff; }
.hero-nav .nav-link.active-nav { background: rgba(255,255,255,0.15); color: #fff; }
.hero-nav .menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; color: #fff; background: none; border: none; cursor: pointer; }
.hero-mobile {
  position: fixed; top: 80px; right: 16px; left: 16px; z-index: 100;
  background: rgba(15,20,28,0.85);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px; padding: 12px;
  display: none; flex-direction: column; gap: 2px;
}
.hero-mobile.open { display: flex; }
.hero-mobile a {
  padding: 14px 16px; border-radius: 14px; font-weight: 500;
  color: rgba(255,255,255,0.7); cursor: pointer; transition: all 0.2s ease; text-decoration: none;
}
.hero-mobile a:hover { background: rgba(255,255,255,0.08); color: #fff; }
@media (max-width: 767px) {
  .hero-nav { padding: 14px 16px; }
  .hero-nav.glass-nav { margin-top: 8px; border-radius: 20px; padding: 12px 16px; }
  .hero-nav .nav-menu { display: none; }
  .hero-nav .menu-toggle { display: flex; }
}

.btn {
  padding: 12px 28px; border-radius: 9999px; font-weight: 500;
  font-size: 0.9375rem; transition: all 0.3s ease;
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
}
.btn-amber { background: var(--amber); color: #1B2838; border: 1px solid transparent; font-weight: 600; }
.btn-amber:hover { background: #b8863e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,149,74,0.3); }
.btn-ink { background: var(--ink); color: #fff; font-weight: 600; }
.btn-ink:hover { background: var(--ink-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,149,74,0.3); }

/* ===== FOOTER ===== */
footer { background: var(--ink); color: rgba(255,255,255,0.5); padding: 64px 24px 32px; }
.footer-inner { max-width: 80rem; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; margin-bottom: 40px; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
footer h4 { font-size: 0.8rem; font-weight: 600; color: #fff; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
footer a { transition: color 0.2s ease; text-decoration: none; }
footer a:hover { color: #fff; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.footer-brand-icon { width: 32px; height: 32px; background: var(--amber); border-radius: 8px; display: grid; place-items: center; font-weight: 700; font-size: 13px; color: #1B2838; }
.footer-brand-text { font-size: 1.2rem; font-weight: 600; color: #fff; }
.footer-col { font-size: 0.875rem; display: flex; flex-direction: column; gap: 10px; }
.footer-divider { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; text-align: center; font-size: 0.75rem; }

@media (max-width: 767px) {
  .nav { padding: 14px 16px; }
  .nav-menu { display: none; }
  .menu-toggle { display: flex; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-scale { opacity: 1 !important; transform: none !important; }
  .glass:hover { transform: none !important; }
}