/* ===== Design Tokens ===== */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem;
  --radius-full: 9999px;
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-wide: 1140px;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Brand-derived palette: teal + deep navy from the ZJB anchor mark */
:root, [data-theme="light"] {
  --color-bg: #f6f8f9;
  --color-surface: #ffffff;
  --color-surface-offset: #eef2f4;
  --color-border: #d8e0e4;
  --color-text: #14242c;
  --color-text-muted: #56727d;
  --color-text-faint: #9fb2ba;
  --color-text-inverse: #f4fafb;
  --color-primary: #0d6f7a;       /* deep teal */
  --color-primary-hover: #0a5860;
  --color-accent: #3bb4d1;        /* bright dolphin teal */
  --color-navy: #123a4a;
  --shadow-sm: 0 1px 2px rgba(18,58,74,0.08);
  --shadow-md: 0 8px 24px rgba(18,58,74,0.12);
  --shadow-lg: 0 20px 48px rgba(18,58,74,0.18);
  --hero-overlay: linear-gradient(105deg, rgba(8,28,38,0.86) 0%, rgba(10,40,54,0.62) 48%, rgba(12,48,64,0.30) 100%);
}

[data-theme="dark"] {
  --color-bg: #0b1418;
  --color-surface: #10212a;
  --color-surface-offset: #15292f;
  --color-border: #224049;
  --color-text: #dceaef;
  --color-text-muted: #8aa6b0;
  --color-text-faint: #5b7882;
  --color-text-inverse: #08161b;
  --color-primary: #34a9bb;
  --color-primary-hover: #4cc0d2;
  --color-accent: #5cc8e4;
  --color-navy: #0a2630;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.55);
  --hero-overlay: linear-gradient(105deg, rgba(4,14,18,0.90) 0%, rgba(6,22,30,0.70) 48%, rgba(8,30,40,0.40) 100%);
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}
body {
  min-height: 100dvh; line-height: 1.6;
  font-family: var(--font-body); font-size: var(--text-base);
  color: var(--color-text); background-color: var(--color-bg);
}
img, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
a { color: inherit; }
h1, h2, h3 { text-wrap: balance; line-height: 1.12; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

.container { width: 100%; max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-6); }

.skip-link {
  position: absolute; left: var(--space-4); top: -3rem; z-index: 100;
  background: var(--color-primary); color: #fff; padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md); transition: top var(--transition-interactive);
}
.skip-link:focus { top: var(--space-4); }

/* ===== Header ===== */
.site-header {
  position: absolute; inset-inline: 0; top: 0; z-index: 20;
  padding-block: var(--space-5);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.brand { display: inline-flex; }
.brand-logo {
  height: clamp(42px, 4.4vw, 58px); width: auto;
}

.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: var(--radius-full);
  color: #fff; border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.10); backdrop-filter: blur(8px);
}
.theme-toggle:hover { background: rgba(255,255,255,0.22); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-scrim { position: absolute; inset: 0; background: var(--hero-overlay); }

.hero-content {
  position: relative; z-index: 1; color: #f4fafb;
  padding-block: var(--space-32) var(--space-24); max-width: 760px;
}
.eyebrow {
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-5);
}
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-3xl); letter-spacing: -0.01em; margin-bottom: var(--space-3);
}
.tagline {
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  font-size: var(--text-xl); color: rgba(244,250,251,0.92); margin-bottom: var(--space-6);
}
.lede {
  font-size: var(--text-lg); color: rgba(244,250,251,0.84);
  max-width: 56ch; margin-bottom: var(--space-10);
}

.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4) var(--space-6); }
.btn {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none;
  padding: var(--space-4) var(--space-6); border-radius: var(--radius-full);
  transition: transform var(--transition-interactive), background var(--transition-interactive), box-shadow var(--transition-interactive);
}
.btn-primary { background: var(--color-accent); color: #06222b; box-shadow: var(--shadow-md); }
.btn-primary:hover { background: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.status-pill {
  display: inline-flex; align-items: center; gap: var(--space-3);
  font-size: var(--text-sm); color: rgba(244,250,251,0.86);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.28); background: rgba(255,255,255,0.06);
}
.dot {
  width: 9px; height: 9px; border-radius: var(--radius-full);
  background: var(--color-accent); box-shadow: 0 0 0 0 rgba(92,200,228,0.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(92,200,228,0.55); }
  70% { box-shadow: 0 0 0 10px rgba(92,200,228,0); }
  100% { box-shadow: 0 0 0 0 rgba(92,200,228,0); }
}

/* ===== Pillars ===== */
.pillars { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); background: var(--color-bg); }
.section-title {
  font-family: var(--font-display); font-weight: 600; font-size: var(--text-xl);
  color: var(--color-text); margin-bottom: var(--space-12); text-align: center;
}
.pillar-grid { display: grid; gap: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.pillar {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-accent); }
.pillar-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; border-radius: var(--radius-md);
  background: var(--color-surface-offset); color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.pillar-icon svg { width: 26px; height: 26px; }
.pillar h3 { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); margin-bottom: var(--space-3); }
.pillar p { color: var(--color-text-muted); font-size: var(--text-base); max-width: 40ch; }

/* ===== Footer ===== */
.site-footer { background: var(--color-navy); color: var(--color-text-inverse); padding-block: var(--space-12); }
.footer-inner { display: flex; flex-direction: column; gap: var(--space-2); align-items: center; text-align: center; }
.footer-brand { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); color: #fff; }
.footer-contact { font-size: var(--text-base); color: rgba(244,250,251,0.85); }
.footer-contact a { color: var(--color-accent); text-decoration: none; font-weight: 500; }
.footer-contact a:hover { text-decoration: underline; }
.footer-meta { font-size: var(--text-xs); color: rgba(244,250,251,0.55); margin-top: var(--space-2); }