/*
 * Masiya Hub — Cybersecurity UI/UX layer
 * Visual-only enhancement. Existing HTML, JS, CSP, theme switching,
 * resume routing, GitHub sync, filters and modal behavior remain unchanged.
 */

:root {
  --cyber-grid: rgba(16,185,129,.055);
  --cyber-line: rgba(6,182,212,.12);
  --cyber-panel: rgba(10,16,28,.72);
  --cyber-glow: 0 0 0 1px rgba(16,185,129,.08), 0 18px 50px rgba(0,0,0,.22);
}

html[data-theme="light"] {
  --cyber-grid: rgba(5,150,105,.055);
  --cyber-line: rgba(8,145,178,.10);
  --cyber-panel: rgba(255,255,255,.82);
  --cyber-glow: 0 0 0 1px rgba(5,150,105,.08), 0 18px 50px rgba(15,23,42,.08);
}

body {
  background-image:
    linear-gradient(var(--cyber-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyber-grid) 1px, transparent 1px),
    radial-gradient(circle at 50% -10%, rgba(6,182,212,.10), transparent 36%);
  background-size: 44px 44px, 44px 44px, 100% 100%;
  background-attachment: fixed;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .035;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(255,255,255,.7) 4px
  );
}

header {
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  border-bottom-color: rgba(16,185,129,.22);
}

.nav-container {
  min-height: 68px;
}

.logo {
  letter-spacing: .025em;
  text-transform: uppercase;
}

.logo::before {
  content: "SEC // ";
  color: var(--text-muted);
  font-weight: 500;
}

.hero {
  position: relative;
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--cyber-line);
}

.hero::before {
  content: "SECURITY OPERATIONS // PORTFOLIO";
  display: inline-flex;
  margin-bottom: 1.15rem;
  padding: .38rem .7rem;
  border: 1px solid rgba(16,185,129,.28);
  border-radius: 4px;
  background: rgba(16,185,129,.06);
  color: var(--accent-green);
  font: 600 .68rem/1 'IBM Plex Mono', monospace;
  letter-spacing: .14em;
}

.hero::after {
  content: "01";
  position: absolute;
  right: 0;
  top: 3.2rem;
  color: rgba(100,116,139,.16);
  font: 800 7rem/1 'IBM Plex Mono', monospace;
  pointer-events: none;
}

.hero-title {
  max-width: 900px;
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1.02;
}

.hero-subtitle {
  display: inline-block;
  padding: .35rem .7rem;
  border-left: 3px solid var(--accent-cyan);
  background: rgba(6,182,212,.05);
}

.hero-desc {
  max-width: 760px;
}

.section-header {
  position: relative;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--cyber-line);
}

.section-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
}

.section-title {
  text-transform: uppercase;
  letter-spacing: .025em;
}

.section-title::before {
  content: "[";
}

.section-title::after {
  content: "]";
  font-family: 'IBM Plex Mono', monospace;
  color: var(--accent-green);
}

.card {
  position: relative;
  overflow: hidden;
  background: var(--cyber-panel);
  border-radius: 8px;
  box-shadow: var(--cyber-glow);
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: linear-gradient(var(--accent-green), var(--accent-cyan));
  transition: height .3s ease;
}

.card:hover::before {
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(16,185,129,.34);
  box-shadow: 0 0 0 1px rgba(16,185,129,.10), 0 20px 55px rgba(0,0,0,.28);
}

.snapshot-card h4,
.project-title {
  letter-spacing: .01em;
}

.project-badge {
  border-radius: 4px;
  letter-spacing: .05em;
}

.metric-badge {
  position: relative;
  border-style: solid;
  letter-spacing: .025em;
}

.metric-badge::before {
  content: "▣ ";
}

.terminal-preview,
#terminal-box {
  border-color: rgba(6,182,212,.22);
  box-shadow: inset 0 0 30px rgba(6,182,212,.035);
}

.terminal-preview::after {
  content: "●  ●  ●";
  position: absolute;
  top: .55rem;
  right: .75rem;
  color: var(--text-muted);
  font-size: .45rem;
  letter-spacing: .18rem;
  opacity: .7;
}

.tag {
  border-radius: 3px;
  background: rgba(6,182,212,.035);
}

.btn-primary {
  position: relative;
  box-shadow: 0 0 24px rgba(16,185,129,.15);
}

.btn-primary::before {
  content: ">";
  font-family: 'IBM Plex Mono', monospace;
}

.btn-outline {
  border-color: rgba(6,182,212,.32);
}

.filter-btn {
  border-radius: 4px;
}

.filter-btn.active,
.filter-btn:hover {
  box-shadow: 0 0 16px rgba(16,185,129,.10);
}

.modal-content {
  box-shadow: 0 0 0 1px rgba(16,185,129,.10), 0 30px 80px rgba(0,0,0,.5);
}

footer {
  position: relative;
  background: rgba(2,6,12,.35);
}

footer::before {
  content: "END OF SECURE SESSION";
  display: block;
  margin-bottom: .65rem;
  color: var(--accent-green);
  font: 600 .65rem/1 'IBM Plex Mono', monospace;
  letter-spacing: .18em;
}

@media (max-width: 760px) {
  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero::after {
    font-size: 4rem;
    top: 2.8rem;
  }

  .nav-container {
    padding-inline: 1rem;
  }

  .container {
    padding-inline: 1rem;
  }

  nav ul {
    gap: .8rem;
  }

  nav a {
    font-size: .72rem;
  }

  .hero::before {
    font-size: .58rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}