/* ─── TOKENS ─────────────────────────────────────────────────────────────── */
:root {
  --bg:           #FFFFFF;
  --surface:      #F1F5F9;
  --card:         #FFFFFF;
  --border:       rgba(0,0,0,0.08);
  --border-glow:  rgba(2,132,199,0.3);

  --cyan:         #0284C7;
  --cyan-dim:     rgba(2,132,199,0.08);
  --navy:         #1E3A5F;

  --text:         #0F172A;
  --text-sub:     #475569;
  --text-muted:   #94A3B8;

  --font-serif:   'Playfair Display', serif;
  --font-sans:    'Lato', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.06), 0 4px 14px rgba(0,0,0,0.06);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
}

/* ─── RESET ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
::selection { background: rgba(2,132,199,0.15); }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ─── NAV ────────────────────────────────────────────────────────────────── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-color: var(--border);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--navy);
  line-height: 1;
}
.nav-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-sub);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--cyan); }
.nav-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--navy);
  border-radius: 6px;
  padding: 9px 20px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  text-transform: uppercase;
}
.nav-btn:hover { background: var(--cyan); transform: translateY(-1px); }

/* ─── FOOTER ─────────────────────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: var(--surface);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ─── FADE-IN ────────────────────────────────────────────────────────────── */
.fade {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade.in { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE (shared) ────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}