/* ═══════════════════════════════════════════════════════════════
   MERCUSUAR — Portfolio Muhammad Rafif Sadid
   Design System & Components
   ═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────────────────────────
   1. DESIGN TOKENS / VARIABLES
   ─────────────────────────────────────────────────────────────── */

:root {
  /* Colors — Azul Marino Universe */
  --abyss: #0a1628;
  --surface: #111d2e;
  --beam: #00e5a0;
  --beam-warm: #f5a623;
  --text-primary: #e0e6ed;
  --text-muted: #4a6a8a;
  --terminated: #ff4444;
  --grain: rgba(255, 255, 255, 0.03);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
  --font-serif: 'Instrument Serif', 'Playfair Display', Georgia, serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 3rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: var(--space-md);
  
  /* Effects */
  --blur-fog: 8px;
  --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.3s ease;
  
  /* Z-index layers */
  --z-grain: 1;
  --z-content: 10;
  --z-nav: 100;
  --z-beam: 5;
}

/* ───────────────────────────────────────────────────────────────
   2. RESET & BASE
   ─────────────────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--abyss);
  overflow-x: hidden;
  position: relative;
}

/* ───────────────────────────────────────────────────────────────
   3. TYPOGRAPHY
   ─────────────────────────────────────────────────────────────── */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-sm);
}

.serif {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

.mono {
  font-family: var(--font-mono);
}

.muted {
  color: var(--text-muted);
}

.beam-text {
  color: var(--beam);
}

/* ───────────────────────────────────────────────────────────────
   4. LAYOUT SYSTEM
   ─────────────────────────────────────────────────────────────── */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

section {
  min-height: 100vh;
  padding: var(--space-xl) 0;
  position: relative;
}

/* Asymmetric Grid */
.grid-asymmetric {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.col-left {
  grid-column: 1 / 7;
}

.col-right {
  grid-column: 7 / 13;
}

.col-center {
  grid-column: 4 / 10;
}

.col-full {
  grid-column: 1 / 13;
}

/* ───────────────────────────────────────────────────────────────
   5. GRAIN OVERLAY
   ─────────────────────────────────────────────────────────────── */

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;utf8,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noise)" opacity="0.03"/></svg>');
  opacity: 1;
  pointer-events: none;
  z-index: var(--z-grain);
  animation: grain-shift 8s steps(10) infinite;
}

@keyframes grain-shift {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -5%); }
  20% { transform: translate(3%, -3%); }
  30% { transform: translate(-3%, 5%); }
  40% { transform: translate(5%, 3%); }
  50% { transform: translate(-2%, -2%); }
  60% { transform: translate(4%, 4%); }
  70% { transform: translate(-4%, 2%); }
  80% { transform: translate(2%, -4%); }
  90% { transform: translate(-1%, 1%); }
}

/* ───────────────────────────────────────────────────────────────
   6. BEAM EFFECT (CURSOR GLOW)
   ─────────────────────────────────────────────────────────────── */

#beam {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: var(--z-beam);
  opacity: 0;
  transition: opacity 0.3s ease;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
}

body.beam-active #beam {
  opacity: 1;
}

/* ───────────────────────────────────────────────────────────────
   7. NAVIGATION — COMPASS HUD
   ─────────────────────────────────────────────────────────────── */

.nav-compass {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: var(--z-nav);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid rgba(0, 229, 160, 0.2);
  padding: var(--space-sm);
  border-radius: 4px;
  backdrop-filter: blur(10px);
  transition: var(--transition-fast);
}

.nav-compass:hover {
  border-color: var(--beam);
  box-shadow: 0 0 20px rgba(0, 229, 160, 0.1);
}

.compass-signal {
  font-size: var(--text-sm);
  color: var(--beam);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.1em;
}

.compass-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(0, 229, 160, 0.1);
}

.nav-compass.expanded .compass-menu {
  display: flex;
}

.compass-menu a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.compass-menu a:hover {
  color: var(--beam);
  transform: translateX(4px);
}

.compass-menu a::before {
  content: '▸';
  opacity: 0;
  transition: var(--transition-fast);
}

.compass-menu a:hover::before {
  opacity: 1;
}

.compass-toggle {
  cursor: pointer;
  text-align: center;
  color: var(--beam);
  font-size: var(--text-lg);
}

/* Mobile Navigation — Bottom Dock */
.nav-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid rgba(0, 229, 160, 0.2);
  padding: var(--space-sm);
  z-index: var(--z-nav);
  backdrop-filter: blur(10px);
}

.nav-dock ul {
  display: flex;
  justify-content: space-around;
  list-style: none;
}

.nav-dock a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--text-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

.nav-dock a:hover,
.nav-dock a.active {
  color: var(--beam);
}

.nav-dock .icon {
  font-size: var(--text-lg);
}

/* ───────────────────────────────────────────────────────────────
   8. HERO / LANDING
   ─────────────────────────────────────────────────────────────── */

.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: var(--space-xl) var(--container-padding);
}

.hero-name {
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  opacity: 0;
  animation: decode 2s forwards;
}

@keyframes decode {
  0% {
    opacity: 0;
    filter: blur(10px);
    letter-spacing: 0.5em;
  }
  50% {
    opacity: 0.5;
    filter: blur(5px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    letter-spacing: -0.02em;
  }
}

.hero-quote {
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin-top: var(--space-md);
  opacity: 0;
  animation: fadeInUp 1s 2s forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  color: var(--text-muted);
  opacity: 0;
  animation: fadeInUp 1s 3s forwards;
}

.hero-scroll::after {
  content: '↓';
  display: block;
  text-align: center;
  margin-top: var(--space-xs);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ───────────────────────────────────────────────────────────────
   9. SECTION HEADERS & DIVIDERS
   ─────────────────────────────────────────────────────────────── */

.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-header::before {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--beam), transparent);
}

.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to left, transparent, var(--beam), transparent);
}

.divider-whisper {
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-align: center;
  margin: var(--space-xl) 0;
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(0, 229, 160, 0.1);
  border-bottom: 1px solid rgba(0, 229, 160, 0.1);
  font-style: italic;
}

/* ───────────────────────────────────────────────────────────────
   10. PROJECT CARDS — TRANSMISI
   ─────────────────────────────────────────────────────────────── */

.transmission-card {
  background: var(--surface);
  border: 1px solid rgba(0, 229, 160, 0.2);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  border-radius: 4px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.transmission-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--beam);
  opacity: 0;
  transition: var(--transition-fast);
}

.transmission-card:hover::before {
  opacity: 1;
}

.transmission-card:hover {
  border-color: var(--beam);
  box-shadow: 0 8px 30px rgba(0, 229, 160, 0.1);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
}

.card-status {
  font-size: var(--text-xs);
  padding: 4px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card-status.active {
  background: rgba(0, 229, 160, 0.1);
  color: var(--beam);
}

.card-status.awarded {
  background: rgba(245, 166, 35, 0.1);
  color: var(--beam-warm);
}

.card-status.terminated {
  background: rgba(255, 68, 68, 0.1);
  color: var(--terminated);
}

.card-progress {
  width: 100%;
  height: 2px;
  background: rgba(0, 229, 160, 0.1);
  margin: var(--space-sm) 0;
  overflow: hidden;
}

.card-progress-bar {
  height: 100%;
  background: var(--beam);
  transition: width 1s ease;
}

.card-summary {
  color: var(--text-muted);
  margin: var(--space-sm) 0;
  line-height: 1.8;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(0, 229, 160, 0.1);
  font-size: var(--text-xs);
}

.card-freq {
  color: var(--beam);
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.card-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: var(--beam);
}

.card-link::after {
  content: '→';
  transition: var(--transition-fast);
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* Terminated Card — Redacted Effect */
.transmission-card.terminated .card-summary {
  filter: blur(4px);
  user-select: none;
  transition: var(--transition-smooth);
}

.transmission-card.terminated:hover .card-summary,
.transmission-card.terminated.revealed .card-summary {
  filter: blur(0);
  user-select: text;
}

/* ───────────────────────────────────────────────────────────────
   11. FOG SCROLL EFFECT
   ─────────────────────────────────────────────────────────────── */

.fog-element {
  opacity: 0.3;
  filter: blur(var(--blur-fog));
  transform: scale(0.95);
  transition: opacity var(--transition-smooth),
              filter var(--transition-smooth),
              transform var(--transition-smooth);
}

.fog-element.in-view {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* ───────────────────────────────────────────────────────────────
   12. BATIK THREAD PATTERN
   ─────────────────────────────────────────────────────────────── */

.batik-divider {
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 10px,
    rgba(0, 229, 160, 0.1) 10px,
    rgba(0, 229, 160, 0.1) 12px,
    transparent 12px,
    transparent 20px,
    rgba(0, 229, 160, 0.05) 20px,
    rgba(0, 229, 160, 0.05) 22px
  );
  margin: var(--space-lg) 0;
}

/* ───────────────────────────────────────────────────────────────
   13. RESPONSIVE
   ─────────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }
  
  .nav-compass {
    display: none;
  }
  
  .nav-dock {
    display: block;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-sm);
    --space-lg: 2rem;
    --space-xl: 3rem;
  }
  
  .grid-asymmetric {
    grid-template-columns: 1fr;
  }
  
  .col-left,
  .col-right,
  .col-center,
  .col-full {
    grid-column: 1;
  }
  
  .hero {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .section-header::before,
  .section-header::after {
    flex: 0.5;
  }
}

@media (max-width: 480px) {
  :root {
    --text-3xl: 2rem;
    --text-2xl: 1.5rem;
    --text-xl: 1.25rem;
  }
  
  .transmission-card {
    padding: var(--space-sm);
  }
}

/* ───────────────────────────────────────────────────────────────
   14. UTILITY CLASSES
   ─────────────────────────────────────────────────────────────── */

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Secret Mode (Konami Code) */
body.secret-mode-active {
  --beam: #f5a623;
  --beam-warm: #00e5a0;
}

body.secret-mode-active .hero-name {
  animation: textGlitch 0.5s infinite;
}

@keyframes textGlitch {
  0%, 100% { text-shadow: 0 0 0 transparent; }
  25% { text-shadow: -2px 0 var(--beam), 2px 0 var(--beam-warm); }
  50% { text-shadow: 2px 0 var(--beam), -2px 0 var(--beam-warm); }
  75% { text-shadow: -1px 0 var(--beam), 1px 0 var(--beam-warm); }
}