/* =============================================================
   GLOBAL CSS — THE GENIUS BOY — thegeniusboy.com
   Shared across all pages: reset, fonts, header, footer, utilities
   ============================================================= */

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  --color-bg:         #000000;
  --color-accent:     #00d4ff;
  --color-accent-dim: rgba(0, 212, 255, 0.5);
  --color-white:      #ffffff;
  --color-white-80:   rgba(255, 255, 255, 0.80);
  --color-white-60:   rgba(255, 255, 255, 0.60);
  --color-white-40:   rgba(255, 255, 255, 0.40);
  --color-white-20:   rgba(255, 255, 255, 0.20);
  --color-white-10:   rgba(255, 255, 255, 0.10);
  --color-white-06:   rgba(255, 255, 255, 0.06);

  --glass-bg:         rgba(255, 255, 255, 0.07);
  --glass-border:     rgba(255, 255, 255, 0.14);
  --glass-bg-strong:  rgba(255, 255, 255, 0.11);

  --font-display:     'Orbitron', sans-serif;
  --font-body:        'Rajdhani', sans-serif;
  --font-prose:       'Inter', sans-serif;

  --header-h:         72px;
  --radius:           4px;
  --radius-lg:        8px;
  --transition:       0.25s ease;
  --max-width:        1200px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-white);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Background Image Pages ───────────────────────────────── */
.has-bg {
  background-image: url('/assets/bg.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  background-repeat: no-repeat;
  position: relative;
}

.has-bg::before {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.40) 50%,
    rgba(0,0,0,0.70) 100%
  );
  pointer-events: none;
  z-index: 0;
}

.has-bg .site-main { position: relative; z-index: 1; }

/* ── Scanline overlay (computer-monitor effect) ───────────── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.06) 2px,
    rgba(0, 0, 0, 0.06) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

/* ── HEADER ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--glass-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* Logo */
.site-logo {
  font-family: var(--font-display);
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--color-white);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 1px;
  transition: opacity var(--transition);
}

.site-logo:hover { opacity: 0.75; }
.logo-dot { color: var(--color-accent); font-size: 1.4em; line-height: 0.6; }

/* Nav list */
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.nav-link {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-white-80);
  padding: 4px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hamburger-line {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.open .hamburger-line:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open .hamburger-line:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open .hamburger-line:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Mobile Nav ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding var(--transition);
  }

  .site-nav.open {
    max-height: 400px;
    padding: 16px 0 24px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: 14px clamp(20px, 6vw, 40px);
    font-size: 12px;
    letter-spacing: 0.2em;
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-link::after { display: none; }
  .nav-link:hover,
  .nav-link.active { color: var(--color-accent); background: var(--color-white-06); }
}

/* ── Glass Panel ──────────────────────────────────────────── */
.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
}

/* ── Section / Container ──────────────────────────────────── */
.section {
  padding: clamp(60px, 8vw, 120px) clamp(20px, 4vw, 48px);
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 16px;
}

.section-subtitle {
  font-family: var(--font-prose);
  font-size: clamp(15px, 2vw, 17px);
  color: var(--color-white-60);
  max-width: 600px;
  line-height: 1.7;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #000;
  border: 1px solid var(--color-accent);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-accent-dim);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white-40);
}

.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 16px var(--color-accent-dim);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  width: 48px;
  height: 2px;
  background: var(--color-accent);
  margin: 16px 0 32px;
}

/* ── FOOTER ───────────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.92);
  border-top: 1px solid var(--glass-border);
  padding: clamp(40px, 6vw, 80px) clamp(20px, 4vw, 48px);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}

.footer-nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 28px;
}

.footer-nav-list a {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-white-60);
  transition: color var(--transition);
}

.footer-nav-list a:hover { color: var(--color-accent); }

.footer-social {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--color-white-60);
  transition: all var(--transition);
}

.social-link svg { width: 16px; height: 16px; }

.social-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: 0 0 14px var(--color-accent-dim);
}

.footer-copy {
  font-family: var(--font-prose);
  font-size: 12px;
  color: var(--color-white-40);
  line-height: 1.8;
}

.footer-domain {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-accent-dim);
}

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

.text-accent { color: var(--color-accent); }
.pt-header   { padding-top: var(--header-h); }

/* Scroll fade-in animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}