/* =====================================================
   XyvorraOS — main.css
   Edit this file for global styles, colors, nav, footer
   ===================================================== */

/* ── Theme Tokens ──────────────────────────────────── */
:root {
  --void-pearl:       #001D30;
  --void-pearl-mid:   #002240;
  --void-pearl-light: #002f56;

  /* PRIMARY: Byzantium purple */
  --byzantium:        #702963;
  --byzantium-light:  #9b3d8a;
  --byzantium-dim:    rgba(112,41,99,0.18);

  /* SECONDARY: Blue (logo blue + space blue) */
  --blue:             #1a4fa0;
  --blue-light:       #2e6dd4;
  --blue-bright:      #4a8fe8;
  --blue-dim:         rgba(26,79,160,0.2);

  /* Verdance kept only for status/success indicators */
  --verdance:         #049e47;
  --verdance-light:   #06c45a;

  --rosefire:         #65000B;
  --rosefire-light:   #8a000f;

  --text-primary:   #e8f4f8;
  --text-secondary: #8ab3c8;
  --text-muted:     #4a7a96;

  --border-subtle:  rgba(112, 41, 99, 0.22);
  --border-blue:    rgba(46, 109, 212, 0.3);

  --font-display: 'Exo 2', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --nav-height: 68px;
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --transition: 0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--void-pearl);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a   { color: var(--blue-bright); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--byzantium-light); }

/* ── Typography ────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
.mono { font-family: var(--font-mono); }

/* ── Layout Utilities ──────────────────────────────── */
.container { width: 100%; max-width: 1160px; margin-inline: auto; padding-inline: 1.5rem; }
.section    { padding-block: 5rem; }
.section--sm { padding-block: 3rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.25rem; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.text-muted  { color: var(--text-secondary); }
.text-accent { color: var(--blue-bright); }
.text-purple { color: var(--byzantium-light); }

/* ── Buttons ───────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.65rem 1.4rem; border-radius: var(--radius-md);
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: none; transition: all var(--transition);
  white-space: nowrap; text-decoration: none;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover {
  background: var(--blue-light); color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(46,109,212,0.4);
}
.btn-outline {
  background: transparent; color: var(--text-primary);
  border: 1px solid var(--border-blue);
}
.btn-outline:hover {
  border-color: var(--blue-light); color: var(--blue-bright);
  background: var(--blue-dim);
}
.btn-byzantium {
  background: var(--byzantium); color: #fff;
}
.btn-byzantium:hover {
  background: var(--byzantium-light); color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(112,41,99,0.4);
}
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }
.btn-lg { padding: 0.85rem 1.8rem; font-size: 1.05rem; }

/* ── Cards ─────────────────────────────────────────── */
.card {
  background: var(--void-pearl-mid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: rgba(46,109,212,0.4); transform: translateY(-3px); }
.card-blue:hover { border-color: rgba(46,109,212,0.5); box-shadow: 0 0 24px rgba(46,109,212,0.07); }

/* ── Badge ─────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.25rem 0.7rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600;
  font-family: var(--font-mono); letter-spacing: 0.04em;
}
.badge-blue     { background: rgba(46,109,212,0.15); color: var(--blue-bright); border: 1px solid rgba(46,109,212,0.3); }
.badge-purple   { background: rgba(112,41,99,0.2); color: #c76db5; border: 1px solid rgba(112,41,99,0.35); }
.badge-green    { background: rgba(4,158,71,0.15); color: var(--verdance-light); border: 1px solid rgba(4,158,71,0.3); }
.badge-rosefire { background: rgba(101,0,11,0.25); color: #ff6b6b; border: 1px solid rgba(101,0,11,0.4); }
.badge-muted    { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid rgba(255,255,255,0.1); }

/* ── Section Labels ────────────────────────────────── */
.section-label {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--blue-bright);
  display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem;
}
.section-label::before { content: ''; display: inline-block; width: 24px; height: 1px; background: var(--blue-bright); }
.section-title { margin-bottom: 0.75rem; }
.section-desc  { color: var(--text-secondary); max-width: 580px; margin-bottom: 3rem; }
.section-desc.center { margin-inline: auto; text-align: center; }

/* ── Divider ───────────────────────────────────────── */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-subtle), transparent); margin-block: 2rem; }

/* ── Terminal ──────────────────────────────────────── */
.terminal {
  background: #000d1a; border: 1px solid var(--border-blue);
  border-radius: var(--radius-md); padding: 1.25rem 1.5rem;
  font-family: var(--font-mono); font-size: 0.88rem; line-height: 1.8;
}
.terminal-bar {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 1rem; padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.terminal-dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28c840; }
.terminal .prompt   { color: var(--blue-bright); }
.terminal .cmd      { color: var(--text-primary); }
.terminal .out      { color: var(--text-muted); }
.terminal .highlight { color: #c76db5; }

/* ── NAV ────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: var(--nav-height);
  background: rgba(0,29,48,0.88);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-blue);
  transition: background var(--transition), border-color var(--transition);
}
#nav.scrolled { background: rgba(0,29,48,0.98); border-bottom-color: rgba(46,109,212,0.4); }
.nav-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.nav-logo { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.nav-logo img { width: 38px; height: 38px; object-fit: contain; filter: brightness(0) invert(1); }
.nav-logo-text { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--text-primary); }
.nav-logo-text span { color: var(--blue-bright); }

.nav-links { display: flex; align-items: center; gap: 0.15rem; list-style: none; }
.nav-links a {
  display: block; padding: 0.4rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 500; color: var(--text-secondary);
  transition: color var(--transition), background var(--transition); text-decoration: none;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); background: var(--blue-dim); }
.nav-links a.active { color: var(--blue-bright); }

.nav-version {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--blue-bright); background: var(--blue-dim);
  border: 1px solid var(--border-blue); border-radius: 999px;
  padding: 0.2rem 0.6rem; white-space: nowrap;
}

.nav-cta { display: flex; align-items: center; gap: 0.6rem; }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; background: none; border: none;
}
.nav-hamburger span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-mobile {
  display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
  background: rgba(0,29,48,0.98); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-blue);
  padding: 1.25rem 1.5rem 1.5rem; flex-direction: column; gap: 0.35rem; z-index: 998;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { display: block; padding: 0.65rem 0.75rem; border-radius: var(--radius-sm); font-size: 1rem; color: var(--text-secondary); text-decoration: none; transition: all var(--transition); }
.nav-mobile a:hover, .nav-mobile a.active { color: var(--blue-bright); background: var(--blue-dim); }
.nav-mobile .divider { margin-block: 0.5rem; }
.nav-mobile .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }

@media (max-width: 920px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}

/* ── FOOTER ─────────────────────────────────────────── */
#footer {
  background: var(--void-pearl-mid); border-top: 1px solid var(--border-blue);
  padding-block: 3rem 2rem; margin-top: 4rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.75rem; max-width: 240px; line-height: 1.6; }
.footer-col h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 0.9rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.45rem; }
.footer-col ul a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition); text-decoration: none; }
.footer-col ul a:hover { color: var(--blue-bright); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 1.5rem; border-top: 1px solid var(--border-subtle); font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; gap: 0.75rem; }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--blue-bright); }

@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── Page Hero ──────────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--nav-height) + 4rem); padding-bottom: 3.5rem;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(26,79,160,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-label { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--blue-bright); margin-bottom: 1rem; }

/* ── Scroll-reveal ──────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Gradient border card ───────────────────────────── */
.card-grad-border {
  position: relative; background: var(--void-pearl-mid);
  border-radius: var(--radius-lg); padding: 1.5rem;
}
.card-grad-border::before {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius-lg); padding: 1px;
  background: linear-gradient(135deg, var(--blue), var(--byzantium), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}

/* ── Pulse dot ──────────────────────────────────────── */
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue-bright); display: inline-block; animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { box-shadow: 0 0 0 0 rgba(74,143,232,0.6); } 50% { box-shadow: 0 0 0 5px rgba(74,143,232,0); } }