/* GuamSys — Apple-inspired Midnight Glass Theme (mobile-first) */
:root {
  --bg: #0a0d12;
  --panel: #0f1520;
  --glass: rgba(13,18,27,0.6);
  --text: #e9eff7;
  --muted: #b7c1cf;
  --line: rgba(255,255,255,0.08);
  --accent: #4da3ff;       /* Brand accent */
  --accent-2: #7cffd9;

  --success: #58d28c;
  --danger: #ff6b6b;

  --shadow-sm: 0 6px 18px rgba(0,0,0,0.28);
  --shadow:    0 10px 30px rgba(0,0,0,0.35);
  --shadow-lg: 0 18px 60px rgba(0,0,0,0.45);

  --radius-xs: 10px;
  --radius-sm: 14px;
  --radius:    18px;
  --radius-lg: 26px;

  --font-primary: ui-sans-serif, system-ui, -apple-system, "SF Pro Text", "SF Pro Display", Segoe UI, Roboto, "Noto Sans", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-display: ui-sans-serif, system-ui, -apple-system, "SF Pro Display", Segoe UI, Roboto, Arial;

  --maxw: 1100px;
  --container: min(var(--maxw), 92%);
  --space-1: .4rem;
  --space-2: .7rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
}

* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-primary);
  color: var(--text);
  line-height: 1.65;
  letter-spacing: .2px;
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(77,163,255,0.12), transparent 55%),
    radial-gradient(1000px 520px at 90% -10%, rgba(124,255,217,0.10), transparent 55%),
    linear-gradient(180deg, #0a0d12 0%, #0a0d12 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container { width: var(--container); margin: 0 auto; }
.header-inner { width: var(--container); margin: 0 auto; }

/* Type */
h1, h2, h3 { font-family: var(--font-display); letter-spacing: .2px; margin: 0 0 var(--space-3); }
h1 { font-weight: 700; font-size: clamp(2rem, 2.2vw + 1.6rem, 3.25rem); line-height: 1.15; }
h2 { font-weight: 700; font-size: clamp(1.4rem, 1.2vw + 1.1rem, 2rem); line-height: 1.2; }
h3 { font-weight: 650; font-size: clamp(1.05rem, .7vw + .9rem, 1.3rem); line-height: 1.25; }
p { margin: 0 0 var(--space-3); color: var(--text); }
.lead { color: var(--muted); font-size: clamp(1.05rem, .65vw + 1rem, 1.2rem); max-width: 70ch; }

/* Grid */
.grid-3, .grid-2 { display: grid; gap: var(--space-3); }
.grid-3 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 999;
  backdrop-filter: saturate(160%) blur(14px);
  background: var(--glass);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 0;
}
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); font-weight: 750; }
.brand-text { font-size: 1.05rem; letter-spacing: .25px; }

.menu-toggle {
  background: transparent; color: var(--text);
  border: 1px solid var(--line); padding: .5rem .65rem;
  border-radius: 999px; cursor: pointer; transition: transform .2s ease;
}
.menu-toggle:hover { transform: translateY(-1px); }
.menu-icon { width: 20px; height: 2px; background: var(--text); display: inline-block; position: relative; }
.menu-icon::before, .menu-icon::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--text);
}
.menu-icon::before { top: -6px; } .menu-icon::after { top: 6px; }

.nav { display: none; }
.nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .25rem; }
.nav a {
  color: var(--text); text-decoration: none; padding: .6rem .85rem;
  border-radius: 999px; transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav a:hover { background: rgba(255,255,255,0.06); }
.nav a.active { background: rgba(255,255,255,0.08); }
.btn {
  border: 1px solid var(--line); padding: .6rem 1rem; border-radius: 999px;
  text-decoration: none; color: var(--text); display: inline-flex; align-items: center; gap: .5rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-lg { padding: .85rem 1.25rem; font-weight: 650; letter-spacing: .2px; }
.btn-accent { background: linear-gradient(140deg, var(--accent), #2b6be0); border-color: transparent; color: #fff; }
.btn-ghost { background: transparent; color: var(--text); }

@media (min-width: 880px) {
  .menu-toggle { display: none; }
  .nav { display: block; }
  .nav ul { flex-direction: row; gap: .5rem; }
}

/* Hero */
.hero, .page-hero {
  padding: var(--space-7) 0 var(--space-6);
  background:
    radial-gradient(620px 280px at 90% -10%, rgba(77,163,255,0.16), transparent 55%),
    radial-gradient(560px 260px at 10% -10%, rgba(124,255,217,0.12), transparent 55%);
}
.hero h1 { margin-bottom: var(--space-2); }
.cta-row { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: var(--space-2); }

/* Trust badges */
.trust-badges {
  display: flex; gap: .6rem; flex-wrap: wrap; padding-left: 0;
  margin: var(--space-4) 0 0; list-style: none;
}
.trust-badges li {
  border: 1px solid var(--line); padding: .45rem .7rem; border-radius: 999px;
  color: var(--muted); font-size: .95rem; backdrop-filter: blur(6px); background: rgba(255,255,255,0.02);
}

/* Cards */
.cards { padding: var(--space-6) 0; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: rgba(255,255,255,0.12); }
.card h3 { margin-top: 0; }
.card-link { color: var(--accent); text-decoration: none; font-weight: 650; }
.card-link:hover { text-decoration: underline; }

/* Features */
.features { padding-bottom: var(--space-6); }
.feature h3 { margin-top: 0; }

/* Lists */
.tick-list { list-style: none; padding-left: 0; margin: 0; }
.tick-list li { position: relative; padding-left: 1.5rem; margin: .45rem 0; color: var(--text); }
.tick-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* Testimonials */
.testimonials blockquote {
  margin: 0; padding: var(--space-3) var(--space-3) var(--space-3) calc(var(--space-3) + .3rem);
  border-left: 3px solid var(--accent); background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}

/* CTA band */
.cta-band { padding: var(--space-6) 0; text-align: center; }

/* Forms */
.form .form-field { margin-bottom: var(--space-3); }
.form label { display: block; margin-bottom: .35rem; font-weight: 650; color: var(--text); }
.form input, .form textarea, .form select {
  width: 100%; padding: .8rem .9rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: #0d1420; color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.form input:hover, .form textarea:hover { border-color: rgba(255,255,255,0.14); }
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(77,163,255,0.25);
  background: #0f1726;
}
.form .error { color: var(--danger); min-height: 1.1rem; display: block; margin-top: .25rem; }
.form .form-actions { display: flex; align-items: center; gap: .8rem; }
.form-status { color: var(--muted); }

/* Contact layout */
.contact-grid { display: grid; gap: var(--space-3); }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 2fr 1fr; } }
.contact-aside { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-4); box-shadow: var(--shadow); }

/* Footer */
.site-footer { margin-top: var(--space-6); padding-top: var(--space-3); border-top: 1px solid var(--line); background: rgba(255,255,255,0.02); }
.footer-grid { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid a { color: var(--muted); text-decoration: none; }
.footer-grid a:hover { color: var(--text); }
.legal { text-align: center; padding: .9rem 0; color: var(--muted); border-top: 1px solid var(--line); }

/* Accessibility */
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: static; width: auto; height: auto; padding: .5rem .7rem;
  background: var(--panel); border-radius: var(--radius-sm);
}

/* Utilities */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; } }