/* ============================================================
   GLB STUDIO PRO — UNIFIED DESIGN SYSTEM (ARTICLES THEME)
   Colors, Fonts, Glassmorphism & Radiance across all pages
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg: #0a0c10;
  --bg2: #12161f;
  --card: rgba(18, 22, 31, 0.75);
  --side: #0e121a;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(0, 210, 255, 0.4);
  --hl: rgba(0, 210, 255, 0.45);
  
  --p1: #00d2ff;
  --p2: #3a7bd5;
  --ac: #00d2ff;
  --purple: #7928ca;
  --emerald: #10b981;
  --gold: #f5a623;

  --txt: #f1f5f9;
  --mut: #94a3b8;
  --dim: #64748b;

  --sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --heading: 'Plus Jakarta Sans', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --rad: 18px;
  --primary-glow: rgba(0, 210, 255, 0.35);
  --gradient-brand: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 50%, #7928ca 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.15), transparent 70%);
  --shadow: 0 14px 40px -10px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 210, 255, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-y: scroll;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--sans);
  color: var(--txt);
  background-color: var(--bg);
  background-image: var(--gradient-glow);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading);
  letter-spacing: -0.02em;
}

.wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- NAVBAR ---------- */
:root.in-iframe .navbar,
:root.in-iframe .s-nav,
:root.in-iframe footer.site-footer,
:root.in-iframe .s-foot {
  display: none !important;
}

.navbar, .s-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(10, 12, 16, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 64px;
  display: flex;
  align-items: center;
}

.navbar .nav-container, .nav-container, .s-nav .wrap {
  width: 100%;
  max-width: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--heading);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--txt);
  letter-spacing: -0.01em;
}

.brand-icon, .mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 210, 255, 0.12);
  border: 1px solid rgba(0, 210, 255, 0.3);
  box-shadow: 0 0 14px rgba(0, 210, 255, 0.25);
  color: #00d2ff;
}

.site-links, .s-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-links a, .s-links a {
  padding: 7px 16px;
  border-radius: 10px;
  color: var(--mut);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-links a:hover, .s-links a:hover {
  color: var(--txt);
  background: rgba(255, 255, 255, 0.05);
}

.site-links a.active, .site-links a.on, .s-links a.on {
  color: #fff;
  background: linear-gradient(135deg, var(--p1), var(--p2));
  box-shadow: 0 4px 14px rgba(0, 210, 255, 0.35);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.22s ease;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--sans);
}

.btn-primary, .btn-p {
  background: linear-gradient(135deg, var(--p1), var(--p2));
  color: #fff;
  box-shadow: 0 4px 18px rgba(0, 210, 255, 0.35);
  border: none;
}

.btn-primary:hover, .btn-p:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 210, 255, 0.5);
  color: #fff;
}

.btn-secondary, .btn-g {
  border-color: var(--border);
  color: var(--txt);
  background: rgba(255, 255, 255, 0.04);
}

.btn-secondary:hover, .btn-g:hover {
  border-color: var(--hl);
  background: rgba(0, 210, 255, 0.08);
  color: #fff;
}

/* ---------- HEADINGS & KICKERS ---------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--ac);
  margin-bottom: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--ac), transparent);
}

h1 {
  font-size: clamp(2.1rem, 3.4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h1 span, h2.big .grad, .grad {
  background: linear-gradient(135deg, #ffffff 30%, #00d2ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- CARDS ---------- */
.card, .box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--rad);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover, .box:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.7), 0 0 24px rgba(0, 210, 255, 0.15);
}

/* ---------- FOOTER ---------- */
.s-foot, .footer {
  border-top: 1px solid var(--border);
  background: rgba(10, 12, 16, 0.8);
  padding: 24px 0;
  color: var(--mut);
  font-size: 0.86rem;
  margin-top: auto;
}

.f-copy, .footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}