/* ==========================================================================
   DHIVA LABS DESIGN SYSTEM v2 — Refined Gold & Charcoal
   Two type families in play (Fraunces display, DM Mono utility, Inter body).
   All accent glows unified on gold; legacy green/purple values purged.
   ========================================================================== */

/* --------------------------------------------------------------------------
   01. DESIGN TOKENS & RESET
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces */
  --ink: #0d0d0d;
  --surface: rgba(22, 22, 22, 0.6);
  --surface-opaque: #161616;
  --surface-hover: rgba(30, 30, 30, 0.75);

  /* Accents */
  --gold: #c8a96e;
  --gold-rgb: 200, 169, 110;
  --sand: #8a857a;

  /* Text */
  --text-main: #f0ede6;
  --text-muted: #8a857a;
  --text-dim: #706b61; /* raised from #3d3a35 for legibility */

  /* Lines */
  --border-flat: rgba(255, 255, 255, 0.07);
  --border-flat-hover: rgba(255, 255, 255, 0.14);
  --border-gold: rgba(var(--gold-rgb), 0.25);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-mono: 'DM Mono', 'JetBrains Mono', monospace;

  /* Shadows — gold-tinted only */
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.5),
                 0 0 16px 0 rgba(var(--gold-rgb), 0.04);
  --shadow-inset: inset 0 0 20px 0 rgba(0, 0, 0, 0.6);
  --glow-gold-soft: 0 4px 20px rgba(var(--gold-rgb), 0.15);
  --glow-gold-strong: 0 8px 30px rgba(var(--gold-rgb), 0.28);

  /* Layout */
  --container-max: 1200px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--ink);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--ink);
}

/* Keyboard focus — visible everywhere */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: rgba(var(--gold-rgb), 0.3);
  color: var(--text-main);
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--border-flat); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* --------------------------------------------------------------------------
   02. BASE LAYOUT & ATMOSPHERE
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

#particleCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

.tech-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  z-index: 1;
  pointer-events: none;
}

.anchor-alias {
  display: block;
  position: relative;
  top: -80px;
  visibility: hidden;
}

/* Text utilities */
.text-serif {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.gradient-text-gold {
  background: linear-gradient(135deg, var(--text-main) 25%, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.text-teal { /* legacy class used by terminal JS */
  color: var(--gold);
  text-shadow: 0 0 10px rgba(var(--gold-rgb), 0.4);
}

.text-center { text-align: center; }
.font-sm { font-size: 0.875rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
}

.btn-filled {
  background-color: var(--gold);
  color: var(--ink);
  border: 1px solid var(--gold);
  font-weight: 600;
  box-shadow: var(--glow-gold-soft);
}

.btn-filled:hover {
  background-color: transparent;
  color: var(--gold);
  box-shadow: var(--glow-gold-strong);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-flat);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: var(--glow-gold-soft);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 0.5rem 1.2rem;
  font-size: 0.75rem;
  border: 1px solid var(--border-gold);
  color: var(--gold);
  background-color: rgba(var(--gold-rgb), 0.06);
}

.btn-nav:hover {
  background-color: var(--gold);
  color: var(--ink);
  box-shadow: var(--glow-gold-soft);
}

.btn-block { display: flex; width: 100%; }

/* Section labels */
.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--gold);
  margin-bottom: 1rem;
  letter-spacing: 0.2em;
}

.section-title {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 3rem;
}

.inline-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--gold-rgb), 0.35);
  transition: var(--transition-fast);
}

.inline-link:hover { border-bottom-color: var(--gold); }

/* --------------------------------------------------------------------------
   03. NAVIGATION
   -------------------------------------------------------------------------- */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--border-flat);
  background: rgba(13, 13, 13, 0.5);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: var(--transition-smooth);
}

.nav-bar.scrolled {
  background: rgba(13, 13, 13, 0.88);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  align-items: center;
}

.logo-accent {
  color: var(--gold);
  margin-right: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.nav-link:hover { color: var(--gold); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   04. HERO — THESIS + LIVE TERMINAL
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 130px;
  padding-bottom: 70px;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4.5rem;
}

.sys-overlay {
  display: inline-flex;
  align-items: center;
  background: rgba(22, 22, 22, 0.5);
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  padding: 0.5rem 1rem;
  margin-bottom: 2rem;
}

.sys-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--gold);
  margin-right: 0.75rem;
  box-shadow: 0 0 10px var(--gold);
  animation: pulse-glow 2s infinite;
}

.sys-overlay .mono { font-size: 0.7rem; color: var(--text-muted); }

.hero-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 4.25rem;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.75rem;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.hero-description strong { color: var(--text-main); font-weight: 600; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* Hero terminal */
.hero-terminal-wrap { min-width: 0; }

.terminal-window {
  background: #0a0b0d;
  border: 1px solid var(--border-flat);
  border-radius: 8px;
  box-shadow: var(--shadow-inset), 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

.hero-terminal { border-color: var(--border-gold); }

.terminal-header {
  background: #121317;
  border-bottom: 1px solid var(--border-flat);
  padding: 0.7rem 1.1rem;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
}

.terminal-buttons { display: flex; gap: 0.5rem; }

.t-btn { width: 11px; height: 11px; border-radius: 50%; }
.t-close { background-color: #ff5f56; }
.t-minimize { background-color: #ffbd2e; }
.t-expand { background-color: #27c93f; }

.terminal-title {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.terminal-status {
  text-align: right;
  font-size: 0.65rem;
  color: var(--gold);
}

.terminal-body {
  padding: 1.4rem 1.5rem;
  height: 330px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.mono-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-main);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.5;
}

.mono-line.error { color: #ff5f56; }
.mono-line.success { color: var(--gold); }
.mono-line.accent { color: var(--sand); }
.mono-line.text-white { color: var(--text-main); }

.terminal-input-line {
  display: flex;
  align-items: center;
  margin-top: auto;
  padding-top: 0.9rem;
}

.terminal-prompt {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-right: 0.75rem;
  user-select: none;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--gold);
  font-size: 0.8rem;
  flex-grow: 1;
  width: 100%;
  caret-color: var(--gold);
}

.terminal-hint {
  margin-top: 0.9rem;
  text-align: center;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.18em;
}

.terminal-hint span { color: var(--gold); }

/* Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  width: 100%;
  border-top: 1px solid var(--border-flat);
  padding-top: 2.75rem;
}

.metric-card { display: flex; flex-direction: column; }

.metric-value {
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 0.4rem;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   05. SECTIONS SHARED
   -------------------------------------------------------------------------- */
.section {
  position: relative;
  padding: 7.5rem 0;
  z-index: 2;
}

/* --------------------------------------------------------------------------
   06. SERVICES CARDS
   -------------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.25rem;
  margin-top: 1rem;
}

.lab-card {
  background: var(--surface);
  border: 1px solid var(--border-flat);
  border-radius: 8px;
  padding: 2.75rem 2.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.lab-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 8px 8px 0 0;
  opacity: 0;
  transition: var(--transition-smooth);
}

.lab-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-gold);
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4),
              0 0 25px rgba(var(--gold-rgb), 0.08);
}

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

.card-icon {
  width: 44px;
  height: 44px;
  color: var(--gold);
  margin-bottom: 1.75rem;
}

.card-icon svg { width: 100%; height: 100%; }

.card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.card-lead {
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.card-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
  flex-grow: 1;
  line-height: 1.65;
}

.card-skills {
  list-style: none;
  font-size: 0.78rem;
  border-top: 1px solid var(--border-flat);
  padding-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  color: var(--gold);
}

/* --------------------------------------------------------------------------
   07. RESEARCH REGISTRY
   -------------------------------------------------------------------------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.25rem;
  margin-top: 1rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border-flat);
  border-radius: 6px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-gold);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4),
              0 0 20px rgba(var(--gold-rgb), 0.06);
}

.project-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-flat);
  padding-bottom: 1rem;
}

.project-number { font-size: 0.75rem; color: var(--gold); }
.project-category { font-size: 0.75rem; color: var(--text-dim); }

.project-title {
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 1.1rem;
  color: var(--text-main);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.9rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.project-tags span {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  padding: 0.35rem 0.75rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   08. APPS & DOWNLOADS
   -------------------------------------------------------------------------- */
.app-featured {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 3.5rem;
  align-items: center;
  background: linear-gradient(135deg, var(--surface), rgba(var(--gold-rgb), 0.05));
  border: 1px solid var(--border-gold);
  border-radius: 10px;
  padding: 3.5rem 4rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.app-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.app-status {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.18em;
  margin-bottom: 1.25rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--gold);
  box-shadow: 0 0 10px var(--gold);
  animation: pulse-glow 2s infinite;
}

.app-featured-title {
  font-size: 3rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.app-featured-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 540px;
}

.app-featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.25rem;
}

.app-featured-meta span {
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  padding: 0.35rem 0.75rem;
  color: var(--text-muted);
}

.app-featured-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Equalizer — signature element */
.app-featured-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  align-self: stretch;
  padding: 2.5rem 2rem 1.75rem;
  border: 1px solid var(--border-flat);
  border-radius: 8px;
  background:
    linear-gradient(rgba(var(--gold-rgb), 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--gold-rgb), 0.03) 1px, transparent 1px),
    rgba(13, 13, 13, 0.55);
  background-size: 24px 24px, 24px 24px, auto;
}

.eq {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 130px;
  flex-grow: 1;
}

.eq span {
  width: 11px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--gold), rgba(var(--gold-rgb), 0.1));
  transform-origin: bottom;
  animation: eq-bounce 1.1s ease-in-out infinite alternate;
}

.eq span:nth-child(1)  { height: 34%; animation-delay: -0.15s; }
.eq span:nth-child(2)  { height: 58%; animation-delay: -0.60s; }
.eq span:nth-child(3)  { height: 80%; animation-delay: -0.30s; }
.eq span:nth-child(4)  { height: 47%; animation-delay: -0.90s; }
.eq span:nth-child(5)  { height: 95%; animation-delay: -0.45s; }
.eq span:nth-child(6)  { height: 66%; animation-delay: -1.05s; }
.eq span:nth-child(7)  { height: 88%; animation-delay: -0.20s; }
.eq span:nth-child(8)  { height: 52%; animation-delay: -0.75s; }
.eq span:nth-child(9)  { height: 74%; animation-delay: -0.10s; }
.eq span:nth-child(10) { height: 42%; animation-delay: -0.50s; }
.eq span:nth-child(11) { height: 63%; animation-delay: -0.95s; }
.eq span:nth-child(12) { height: 30%; animation-delay: -0.35s; }

@keyframes eq-bounce {
  from { transform: scaleY(0.25); opacity: 0.55; }
  to   { transform: scaleY(1); opacity: 1; }
}

.eq-caption {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.2em;
}

/* Filters */
.apps-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.chip {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border-flat);
  border-radius: 999px;
  padding: 0.5rem 1.2rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chip:hover { border-color: var(--border-gold); color: var(--gold); }

.chip.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 500;
}

/* Manifest */
.apps-manifest {
  background: var(--surface);
  border: 1px solid var(--border-flat);
  border-radius: 8px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.manifest-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  border-bottom: 1px solid var(--border-flat);
  background: rgba(13, 13, 13, 0.5);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.18em;
}

.app-row {
  display: grid;
  grid-template-columns: 2.25rem 46px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border-flat);
  transition: var(--transition-fast);
}

.app-row:last-child { border-bottom: none; }
.app-row:hover { background: var(--surface-hover); }
.app-row.is-hidden { display: none; }

.app-index { font-size: 0.7rem; color: var(--text-dim); }

.app-tile {
  width: 46px;
  height: 46px;
  border-radius: 8px;
  border: 1px solid var(--border-flat);
  background: rgba(var(--gold-rgb), 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.app-row:hover .app-tile {
  border-color: rgba(var(--gold-rgb), 0.5);
  color: var(--gold);
  box-shadow: 0 0 14px rgba(var(--gold-rgb), 0.12);
}

.app-info { min-width: 0; }

.app-name {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.app-desc {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.app-lang {
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
}

.app-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-dl {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(var(--gold-rgb), 0.35);
  border-radius: 4px;
  padding: 0.5rem 1.1rem;
  text-decoration: none;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.app-dl:hover {
  background-color: var(--gold);
  color: var(--ink);
  box-shadow: 0 4px 18px rgba(var(--gold-rgb), 0.25);
}

.app-src {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 33px;
  font-size: 0.7rem;
  color: var(--text-dim);
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  text-decoration: none;
  transition: var(--transition-fast);
}

.app-src:hover {
  color: var(--text-main);
  border-color: var(--border-flat-hover);
}

.apps-footnote {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2.5rem;
  letter-spacing: 0.12em;
}

.apps-footnote a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
}

.apps-footnote a:hover { color: var(--gold); }

/* --------------------------------------------------------------------------
   09. ABOUT
   -------------------------------------------------------------------------- */
.section-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 5rem;
  align-items: center;
}

.custom-blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.7rem;
  line-height: 1.35;
  color: var(--gold);
  margin-top: 2rem;
  border-left: 2px solid var(--gold);
  padding-left: 1.5rem;
}

.layout-right p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.layout-right strong { color: var(--text-main); }

.founder-badge {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border-flat);
  border-radius: 6px;
  padding: 1rem 1.5rem;
  margin-top: 2.5rem;
}

.founder-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--sand));
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-right: 1.25rem;
  box-shadow: 0 0 15px rgba(var(--gold-rgb), 0.2);
}

.founder-info { display: flex; flex-direction: column; }

.founder-name {
  font-weight: 700;
  color: var(--text-main);
  font-size: 1.05rem;
}

.founder-title {
  font-size: 0.75rem;
  color: var(--gold);
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   10. CONTACT
   -------------------------------------------------------------------------- */
.contact-box {
  background: linear-gradient(135deg, var(--surface), rgba(13, 13, 13, 0.8));
  border: 1px solid var(--border-flat);
  border-radius: 12px;
  display: grid;
  grid-template-columns: 5fr 7fr;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.contact-left {
  padding: 4rem;
  border-right: 1px solid var(--border-flat);
  display: flex;
  flex-direction: column;
}

.contact-intro {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-top: 1.25rem;
  margin-bottom: 2.25rem;
}

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.proof-strip span {
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  background: rgba(var(--gold-rgb), 0.05);
  border-radius: 4px;
  padding: 0.35rem 0.7rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin-bottom: 2.75rem;
}

.method-item {
  display: flex;
  align-items: center;
  font-size: 0.875rem;
}

.m-icon {
  font-size: 1.2rem;
  color: var(--gold);
  margin-right: 1rem;
}

.m-val { color: var(--text-main); }

.m-link {
  text-decoration: none;
  transition: var(--transition-fast);
}

.m-link:hover { color: var(--gold); }

.social-links {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid var(--border-flat);
  padding-top: 1.75rem;
  margin-top: auto;
}

.social-links a {
  text-decoration: none;
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.social-links a:hover { color: var(--gold); }

.contact-right {
  padding: 4rem;
  background: rgba(10, 10, 10, 0.3);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.form-group { display: flex; flex-direction: column; }

.form-group label {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 0.7rem;
}

.form-input {
  background: rgba(10, 10, 10, 0.7);
  border: 1px solid var(--border-flat);
  border-radius: 4px;
  color: var(--text-main);
  padding: 1rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 15px rgba(var(--gold-rgb), 0.1);
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23c8a96e%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 0.65rem auto;
  padding-right: 2.5rem;
}

textarea.form-input { resize: vertical; }

.form-feedback {
  font-size: 0.8rem;
  text-align: center;
  min-height: 24px;
}

.form-feedback a { color: var(--gold); }

/* --------------------------------------------------------------------------
   11. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--border-flat);
  padding: 3rem 0;
  z-index: 2;
  position: relative;
  background: var(--ink);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.footer-links a:hover { color: var(--gold); }

.bullet { color: var(--text-dim); }

/* --------------------------------------------------------------------------
   12. ANIMATION & REVEAL SYSTEM (JS-gated, no-JS safe)
   -------------------------------------------------------------------------- */
@keyframes pulse-glow {
  0% { box-shadow: 0 0 0 0 rgba(var(--gold-rgb), 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(var(--gold-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--gold-rgb), 0); }
}

/* Without JS, content is simply visible. */
.reveal-on-scroll { opacity: 1; transform: none; }

.js .reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.js .reveal-on-scroll.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; animation-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s;  animation-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; animation-delay: 0.45s; }
.delay-4 { transition-delay: 0.6s;  animation-delay: 0.6s; }

.fade-in-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

/* Reduced motion: everything settles instantly, nothing loops */
@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;
  }

  .fade-in-up, .js .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }

  .eq span { transform: none; opacity: 1; }
}

/* --------------------------------------------------------------------------
   13. RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-title { font-size: 3.4rem; }

  .section-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .contact-box { grid-template-columns: 1fr; }

  .contact-left {
    border-right: none;
    border-bottom: 1px solid var(--border-flat);
    padding: 3rem;
  }

  .contact-right { padding: 3rem; }

  .app-featured {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2.75rem;
  }

  .app-featured-visual { min-height: 220px; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #101114;
    border-left: 1px solid var(--border-flat);
    flex-direction: column;
    padding: 100px 2.5rem 2.5rem;
    gap: 2rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
  }

  .nav-links.active { right: 0; }

  .nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .hero-section { padding-top: 110px; }
  .hero-title { font-size: 2.7rem; }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 1rem;
  }

  .hero-ctas .btn { width: 100%; }

  .terminal-body { height: 280px; padding: 1.1rem 1.2rem; }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .cards-grid { grid-template-columns: 1fr; }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .custom-blockquote { font-size: 1.4rem; }

  .app-featured { padding: 2rem 1.5rem; }
  .app-featured-title { font-size: 2.25rem; }
  .app-featured-ctas { flex-direction: column; }
  .app-featured-ctas .btn { width: 100%; }

  .manifest-head { padding: 1rem 1.25rem; }

  .app-row {
    grid-template-columns: 46px minmax(0, 1fr) auto;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
  }

  .app-index,
  .app-lang,
  .app-src { display: none; }

  .app-desc { font-size: 0.8rem; }
  .app-dl { padding: 0.45rem 0.85rem; }

  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   14. QUANTUM SURPRISE MODE
   -------------------------------------------------------------------------- */
body.surprise-active { animation: surprise-flash 0.6s ease-out forwards; }

@keyframes surprise-flash {
  0% { filter: brightness(3.5) contrast(1.5) saturate(1.5); }
  100% { filter: brightness(1) contrast(1) saturate(1); }
}

body.surprise-active .logo-accent { animation: text-pulse-gold 1s infinite alternate; }

@keyframes text-pulse-gold {
  to { text-shadow: 0 0 20px var(--gold), 0 0 40px var(--gold); }
}

body.surprise-active .tech-grid {
  background-image:
    linear-gradient(rgba(var(--gold-rgb), 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--gold-rgb), 0.04) 1px, transparent 1px);
  background-size: 30px 30px;
}

body.surprise-active .lab-card,
body.surprise-active .project-card,
body.surprise-active .terminal-window,
body.surprise-active .app-featured,
body.surprise-active .apps-manifest,
body.surprise-active .contact-box {
  border-color: rgba(var(--gold-rgb), 0.4);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6),
              0 0 25px rgba(var(--gold-rgb), 0.15) !important;
}