/* =====================================================
   AJIT GULABCHAND — STRUCTURAL DESIGN SYSTEM
   Hindustan Construction Company (HCC)
   Concrete. Steel. Power.
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

/* ─── DESIGN TOKENS ───────────────────────────────── */
:root {
  --c-black: #0C0C0E;
  --c-surface-0: #111114;
  --c-surface-1: #1A1A1F;
  --c-surface-2: #222228;
  --c-surface-3: #2C2C33;
  --c-surface-4: #36363E;
  --c-surface-5: #40404A;

  --c-amber-dark: #B06B28;
  --c-amber: #D4853A;
  --c-amber-mid: #E8973F;
  --c-amber-light: #F2A94B;
  --c-amber-glow: #F2A94B33;

  --c-white-warm: #F0ECE6;
  --c-white-mid: #D5D0CA;
  --c-white-muted: #C8C4BE;
  --c-white-dim: #9A968F;
  --c-white-faint: #6E6B65;

  --c-concrete: #E8E4DF;
  --c-limestone: #D5D0CA;

  --c-crimson: #8B2500;
  --c-crimson-light: #A83210;

  --f-display: 'DM Serif Display', Georgia, serif;
  --f-body: 'Outfit', 'Segoe UI', sans-serif;
  --f-mono: 'Space Mono', 'Courier New', monospace;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,.5), 0 2px 4px rgba(0,0,0,.3);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.6), 0 4px 12px rgba(0,0,0,.4);
  --shadow-xl: 0 24px 60px rgba(0,0,0,.7), 0 8px 20px rgba(0,0,0,.4);
  --shadow-amber: 0 4px 24px rgba(212,133,58,.15);

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  --ease-out: cubic-bezier(.22,1,.36,1);
  --ease-spring: cubic-bezier(.34,1.56,.64,1);

  --nav-h: 72px;
  --max-w: 1280px;

  /* ── LEGACY ALIASES (maps old var names to new design) ── */
  --f-sans: var(--f-body);
  --c-void: var(--c-black);
  --c-navy-0: var(--c-surface-0);
  --c-navy-1: var(--c-surface-1);
  --c-navy-2: var(--c-surface-2);
  --c-navy-3: var(--c-surface-3);
  --c-navy-4: var(--c-surface-4);
  --c-navy-5: var(--c-surface-5);
  --c-steel-0: #2C2C33;
  --c-steel-1: #36363E;
  --c-steel-2: #40404A;
  --c-steel-3: #4A4A54;
  --c-steel-4: #6E6B65;
  --c-steel-5: #8A877F;
  --c-steel-6: #C8C4BE;
  --c-steel-7: var(--c-white-mid);
  --c-elec-bright: var(--c-amber-light);
  --c-elec-primary: var(--c-amber);
  --c-elec-mid: var(--c-amber-dark);
  --c-elec-deep: #8B5E20;
  --c-elec-glow: var(--c-amber-glow);
  --c-elec-pulse: rgba(212,133,58,0.06);
  --c-gold-light: #E8C87A;
  --c-gold: #C8A96E;
  --c-gold-dark: #9A7A44;
  --c-gold-glow: rgba(200,169,110,0.15);
  --c-white: var(--c-white-warm);
  --c-w90: rgba(240,236,230,0.90);
  --c-w80: rgba(240,236,230,0.80);
  --c-w70: rgba(240,236,230,0.70);
  --c-w60: rgba(240,236,230,0.60);
  --c-w50: rgba(240,236,230,0.50);
  --c-w40: rgba(240,236,230,0.40);
  --c-w30: rgba(240,236,230,0.30);
  --c-w20: rgba(240,236,230,0.20);
  --c-w10: rgba(240,236,230,0.10);
  --c-w06: rgba(240,236,230,0.06);
  --c-w03: rgba(240,236,230,0.03);
  --b-elec: 1px solid rgba(212,133,58,0.25);
  --b-steel: 1px solid rgba(240,236,230,0.08);
  --b-gold: 1px solid rgba(200,169,110,0.25);
  --b-subtle: 1px solid rgba(240,236,230,0.05);
  --sh-elec: 0 0 40px rgba(212,133,58,0.2), 0 0 15px rgba(212,133,58,0.1);
  --sh-card: var(--shadow-md);
  --sh-float: var(--shadow-lg);
  --sh-deep: var(--shadow-xl);
  --sh-gold: 0 0 30px rgba(200,169,110,0.12);
  --t-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --t-mid: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 6px;
  --r-xl: 8px;
  --r-2xl: 12px;
  --r-full: 9999px;
  --z-base: 0;
  --z-float: 10;
  --z-overlay: 100;
  --z-drawer: 200;
  --z-nav: 500;
  --z-modal: 1000;
  --z-toast: 2000;
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;
  --sp-40: 10rem;
  --sp-48: 12rem;
  --fs-10: clamp(0.625rem, 0.6rem + 0.1vw, 0.7rem);
  --fs-11: clamp(0.688rem, 0.65rem + 0.12vw, 0.75rem);
  --fs-12: clamp(0.75rem, 0.72rem + 0.1vw, 0.8rem);
  --fs-13: clamp(0.8rem, 0.76rem + 0.13vw, 0.875rem);
  --fs-14: clamp(0.875rem, 0.84rem + 0.1vw, 0.938rem);
  --fs-15: clamp(0.938rem, 0.9rem + 0.12vw, 1rem);
  --fs-16: clamp(1rem, 0.95rem + 0.17vw, 1.063rem);
  --fs-18: clamp(1.063rem, 1rem + 0.2vw, 1.125rem);
  --fs-20: clamp(1.125rem, 1.05rem + 0.25vw, 1.25rem);
  --fs-24: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  --fs-28: clamp(1.5rem, 1.3rem + 0.67vw, 1.75rem);
  --fs-32: clamp(1.75rem, 1.5rem + 0.83vw, 2rem);
  --fs-40: clamp(2rem, 1.5rem + 1.67vw, 2.5rem);
  --fs-48: clamp(2.25rem, 1.5rem + 2.5vw, 3rem);
  --fs-60: clamp(2.75rem, 1.5rem + 4.17vw, 3.75rem);
  --fs-72: clamp(3rem, 1rem + 6.67vw, 4.5rem);
  --fs-96: clamp(3.5rem, 0rem + 11.67vw, 6rem);
}

/* ─── 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;
  scrollbar-width: thin;
  scrollbar-color: var(--c-amber) var(--c-surface-1);
}

/* Custom scrollbar — copper on dark */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--c-surface-1); }
::-webkit-scrollbar-thumb { background: var(--c-amber); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--c-amber-light); }

body {
  font-family: var(--f-body);
  background: var(--c-black);
  color: var(--c-white-warm);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
}

/* Grain / noise texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

a { color: var(--c-amber); text-decoration: none; transition: color .25s; }
a:hover { color: var(--c-amber-light); }

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

::selection {
  background: var(--c-amber);
  color: var(--c-black);
}

/* ─── TYPOGRAPHY ──────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--f-display);
  font-weight: 400;
  line-height: 1.15;
  color: var(--c-white-warm);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.1rem, 1.8vw, 1.5rem); }

p { color: var(--c-white-muted); margin-bottom: 1rem; }

/* ─── LOADING BAR ─────────────────────────────────── */
.loading-bar {
  position: fixed;
  top: 0; left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-amber), var(--c-amber-light));
  z-index: 10001;
  transition: width .4s var(--ease-out);
}

/* ─── PAGE OVERLAY ────────────────────────────────── */
.page-overlay {
  position: fixed;
  inset: 0;
  background: var(--c-black);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s var(--ease-out);
}
.page-overlay.active { opacity: 1; pointer-events: all; }

/* ─── NAVIGATION ──────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  z-index: 1000;
  transition: background .4s, box-shadow .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(18,18,22,.95);
  border-bottom: 1px solid var(--c-surface-3);
  box-shadow: var(--shadow-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--f-display);
  font-size: 1.25rem;
  color: var(--c-white-warm);
  text-decoration: none;
}

.nav-logo-primary { color: var(--c-white-warm); }
.nav-logo-secondary {
  color: var(--c-amber);
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .8;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--f-body);
  font-size: .85rem;
  font-weight: 500;
  color: var(--c-white-mid);
  text-decoration: none;
  letter-spacing: .04em;
  text-transform: uppercase;
  position: relative;
  padding: .25rem 0;
  transition: color .3s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--c-amber);
  transition: width .3s var(--ease-out);
}
.nav-link:hover { color: var(--c-amber); }
.nav-link:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--f-body);
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-black);
  background: var(--c-amber);
  padding: .55rem 1.4rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  text-decoration: none;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.nav-cta:hover {
  background: var(--c-amber-light);
  color: var(--c-black);
  transform: translateY(-1px);
  box-shadow: var(--shadow-amber);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: .5rem;
  background: none;
  border: none;
}
.nav-hamburger span {
  width: 24px; height: 2px;
  background: var(--c-white-warm);
  transition: transform .3s, opacity .3s;
}

/* ─── MOBILE MENU ─────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(12,12,14,.98);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform .5s var(--ease-out);
}
.mobile-menu.open { transform: translateX(0); }

.mobile-menu-link {
  font-family: var(--f-display);
  font-size: 2rem;
  color: var(--c-white-mid);
  text-decoration: none;
  transition: color .3s;
}
.mobile-menu-link:hover { color: var(--c-amber); }

/* ─── HERO ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 2rem) clamp(1.5rem, 4vw, 3rem) 4rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

/* Blueprint-style architectural grid */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,133,58,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,133,58,.04) 1px, transparent 1px),
    linear-gradient(rgba(212,133,58,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,133,58,.02) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  animation: grid-pan 60s linear infinite;
}

.hero-bg-radial {
  position: absolute;
  width: 800px; height: 800px;
  top: -20%; right: -10%;
  background: radial-gradient(circle, rgba(212,133,58,.08) 0%, transparent 65%);
  border-radius: 50%;
  animation: float 12s ease-in-out infinite;
}

.hero-bg-radial-2 {
  position: absolute;
  width: 600px; height: 600px;
  bottom: -15%; left: -5%;
  background: radial-gradient(circle, rgba(139,37,0,.06) 0%, transparent 60%);
  border-radius: 50%;
  animation: float 16s ease-in-out infinite reverse;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 4rem;
  align-items: center;
}

.hero-left, .hero-right { position: relative; }

.hero-label {
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.hero-label::before {
  content: '';
  width: 8px; height: 8px;
  background: var(--c-amber);
  animation: pulse-dot 2s ease-in-out infinite;
}

.hero-name {
  font-family: var(--f-display);
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.05;
  color: var(--c-white-warm);
  margin-bottom: .8rem;
}

/* Copper/amber gradient text for accent */
.hero-name .accent {
  background: linear-gradient(135deg, var(--c-amber-light) 0%, var(--c-amber) 40%, var(--c-amber-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title {
  font-family: var(--f-body);
  font-size: clamp(1rem, 1.6vw, 1.35rem);
  font-weight: 300;
  color: var(--c-white-muted);
  margin-bottom: 1.5rem;
  letter-spacing: .02em;
}

.hero-statement {
  font-family: var(--f-body);
  font-size: 1rem;
  color: var(--c-white-dim);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero stats */
.hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.hero-stat-card {
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  padding: 1.6rem;
  position: relative;
  transition: border-color .3s, box-shadow .3s;
}
.hero-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--c-amber);
  opacity: 0;
  transition: opacity .3s;
}
.hero-stat-card:hover {
  border-color: var(--c-amber-dark);
  box-shadow: var(--shadow-md);
}
.hero-stat-card:hover::before { opacity: 1; }

.hero-stat-number {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--c-amber);
  line-height: 1.2;
  margin-bottom: .3rem;
}

.hero-stat-label {
  font-family: var(--f-mono);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--c-white-dim);
}

/* ─── BUTTONS ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .8rem 1.8rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all .3s var(--ease-out);
  position: relative;
}

.btn-primary {
  background: var(--c-amber);
  color: var(--c-black);
}
.btn-primary:hover {
  background: var(--c-amber-light);
  color: var(--c-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-amber);
}

.btn-ghost {
  background: transparent;
  color: var(--c-white-mid);
  border: 1px solid var(--c-surface-4);
}
.btn-ghost:hover {
  border-color: var(--c-amber);
  color: var(--c-amber);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--c-amber), var(--c-amber-dark));
  color: var(--c-black);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--c-amber-light), var(--c-amber));
  color: var(--c-black);
  transform: translateY(-2px);
  box-shadow: var(--shadow-amber);
}

.btn-arrow {
  font-size: 1.1em;
  transition: transform .3s var(--ease-spring);
}
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ─── SECTIONS ────────────────────────────────────── */
.section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.section-full {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 4vw, 3rem);
  position: relative;
}

/* Blueprint-style annotation label */
.section-label {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .75rem;
}
.section-label::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--c-amber);
  flex-shrink: 0;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--c-amber) 0%, transparent 100%);
  max-width: 120px;
}

.section-heading {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  color: var(--c-white-warm);
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-subheading {
  font-family: var(--f-body);
  font-size: clamp(.95rem, 1.3vw, 1.1rem);
  color: var(--c-white-dim);
  max-width: 620px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.section-body {
  font-family: var(--f-body);
  font-size: 1rem;
  color: var(--c-white-muted);
  line-height: 1.8;
}

/* ─── CONCRETE CARDS (was glass-card) ─────────────── */
.glass-card {
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  padding: 2rem;
  position: relative;
  transition: transform .4s var(--ease-out), box-shadow .4s var(--ease-out), border-color .3s;
  overflow: hidden;
}
.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-amber-dark), transparent);
  opacity: 0;
  transition: opacity .4s;
}
.glass-card:hover {
  transform: translateY(-6px) rotateX(1deg);
  box-shadow: var(--shadow-xl);
  border-color: var(--c-surface-5);
}
.glass-card:hover::before { opacity: 1; }

/* ─── GRID LAYOUTS ────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-asymm-60-40 { display: grid; grid-template-columns: 1.5fr 1fr; gap: 2.5rem; }
.grid-asymm-40-60 { display: grid; grid-template-columns: 1fr 1.5fr; gap: 2.5rem; }

/* ─── TIMELINE ────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: 3rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 11px; top: 0; bottom: 0;
  width: 2px;
  background: var(--c-surface-3);
}

.timeline-item {
  position: relative;
  padding-bottom: 3rem;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.timeline-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Square structural bolt dot */
.timeline-item::before {
  content: '';
  position: absolute;
  left: -3rem;
  top: .4rem;
  width: 12px; height: 12px;
  background: var(--c-surface-2);
  border: 2px solid var(--c-amber);
  transform: rotate(0deg);
  transition: background .3s, transform .3s;
}
.timeline-item:hover::before {
  background: var(--c-amber);
  transform: rotate(45deg);
}

.timeline-year {
  font-family: var(--f-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-amber);
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.timeline-title {
  font-family: var(--f-display);
  font-size: 1.3rem;
  color: var(--c-white-warm);
  margin-bottom: .5rem;
}

.timeline-body {
  font-size: .92rem;
  color: var(--c-white-dim);
  line-height: 1.7;
}

/* ─── TAGS ────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  border: 1px solid var(--c-surface-4);
  color: var(--c-white-dim);
  transition: border-color .3s, color .3s;
}
.tag:hover { border-color: var(--c-white-dim); color: var(--c-white-muted); }

.tag-elec {
  border-color: var(--c-amber-dark);
  color: var(--c-amber);
}

.tag-gold {
  border-color: var(--c-amber);
  color: var(--c-amber-light);
  background: rgba(212,133,58,.08);
}

.tag-steel {
  border-color: var(--c-surface-5);
  color: var(--c-white-mid);
  background: var(--c-surface-2);
}

/* ─── ARTICLE CARDS ───────────────────────────────── */
.article-card {
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  padding: 1.8rem;
  transition: transform .4s var(--ease-out), box-shadow .4s, border-color .3s;
  position: relative;
}
.article-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease-out);
}
.article-card:hover {
  transform: translateY(-5px) rotate(-.3deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-surface-4);
}
.article-card:hover::after { transform: scaleX(1); }

.article-card-category {
  font-family: var(--f-mono);
  font-size: .65rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: .8rem;
}

.article-card-title {
  font-family: var(--f-display);
  font-size: 1.25rem;
  color: var(--c-white-warm);
  margin-bottom: .6rem;
  line-height: 1.3;
}

.article-card-excerpt {
  font-size: .88rem;
  color: var(--c-white-dim);
  line-height: 1.7;
}

/* ─── MEDIA CARDS ─────────────────────────────────── */
.media-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-surface-3);
  transition: transform .4s var(--ease-out), box-shadow .4s;
}
.media-card:hover {
  transform: translateY(-5px) rotate(.2deg);
  box-shadow: var(--shadow-xl);
}

.media-card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.media-card:hover .media-card-img { transform: scale(1.05); }

.media-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,12,14,.9) 0%, transparent 50%);
  pointer-events: none;
}

.media-card-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
}

.media-card-title {
  font-family: var(--f-display);
  font-size: 1.15rem;
  color: var(--c-white-warm);
  margin-bottom: .3rem;
}

.media-card-meta {
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--c-white-dim);
  letter-spacing: .08em;
}

/* ─── FORMS ───────────────────────────────────────── */
.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-white-dim);
  margin-bottom: .5rem;
}

.form-input, .form-textarea {
  width: 100%;
  font-family: var(--f-body);
  font-size: .92rem;
  color: var(--c-white-warm);
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  padding: .85rem 1rem;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--c-amber);
  box-shadow: 0 0 0 3px var(--c-amber-glow);
}
.form-input::placeholder, .form-textarea::placeholder {
  color: var(--c-white-faint);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

/* ─── DIVIDER / ENERGY LINE (I-beam girder) ───────── */
.divider {
  height: 6px;
  margin: 3rem 0;
  position: relative;
  display: flex;
  align-items: center;
}
.divider::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 2px;
  background: var(--c-surface-3);
  transform: translateY(-50%);
}
.divider::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 0;
  height: 100%;
  background: repeating-linear-gradient(
    90deg,
    var(--c-surface-3) 0px,
    var(--c-surface-3) 4px,
    transparent 4px,
    transparent 40px,
    var(--c-surface-3) 40px,
    var(--c-surface-3) 44px
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 0%, var(--c-black) 0%,
    var(--c-black) 1px, transparent 1px,
    transparent calc(100% - 1px), var(--c-black) calc(100% - 1px),
    var(--c-black) 100%, transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    var(--c-black) 0px, var(--c-black) 1px,
    transparent 1px, transparent calc(100% - 1px),
    var(--c-black) calc(100% - 1px), var(--c-black) 100%
  );
}

.energy-line {
  height: 2px;
  margin: 2.5rem 0;
  background: linear-gradient(90deg, var(--c-amber), var(--c-amber-dark), transparent);
  position: relative;
  overflow: hidden;
}
.energy-line::after {
  content: '';
  position: absolute;
  top: 0; left: -40%;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--c-amber-light), transparent);
  animation: energy-flow 3s linear infinite;
}

/* ─── BLOCKQUOTE ──────────────────────────────────── */
.blockquote {
  border-left: 3px solid var(--c-amber);
  padding: 1.5rem 0 1.5rem 2rem;
  margin: 2rem 0;
  position: relative;
}
.blockquote::before {
  content: '\201C';
  font-family: var(--f-display);
  font-size: 4rem;
  color: var(--c-amber);
  opacity: .2;
  position: absolute;
  top: -.5rem; left: .5rem;
  line-height: 1;
}

.blockquote-text {
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--c-white-mid);
  font-style: italic;
  line-height: 1.6;
}

.blockquote-author {
  font-family: var(--f-mono);
  font-size: .75rem;
  color: var(--c-amber);
  margin-top: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ─── IMAGE FRAME ─────────────────────────────────── */
.img-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-surface-3);
}
.img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(212,133,58,.1);
  pointer-events: none;
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.img-frame:hover img { transform: scale(1.04); }

/* ─── PAGE HERO ───────────────────────────────────── */
.page-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 4rem) clamp(1.5rem, 4vw, 3rem) 4rem;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--c-black) 0%, rgba(12,12,14,.5) 50%, rgba(12,12,14,.3) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

/* ─── BREADCRUMB ──────────────────────────────────── */
.breadcrumb {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--c-white-dim);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.breadcrumb a {
  color: var(--c-white-dim);
  text-decoration: none;
  transition: color .3s;
}
.breadcrumb a:hover { color: var(--c-amber); }

.breadcrumb-sep {
  color: var(--c-surface-5);
  font-size: .6rem;
}

/* ─── NEWSLETTER ──────────────────────────────────── */
.newsletter-form {
  display: flex;
  gap: 0;
  max-width: 420px;
}

.newsletter-input {
  flex: 1;
  font-family: var(--f-body);
  font-size: .85rem;
  color: var(--c-white-warm);
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  border-right: none;
  padding: .75rem 1rem;
  outline: none;
  transition: border-color .3s;
}
.newsletter-input:focus { border-color: var(--c-amber); }
.newsletter-input::placeholder { color: var(--c-white-faint); }

.newsletter-btn {
  font-family: var(--f-body);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--c-amber);
  color: var(--c-black);
  border: none;
  padding: .75rem 1.4rem;
  cursor: pointer;
  transition: background .25s;
}
.newsletter-btn:hover { background: var(--c-amber-light); }

/* ─── FOOTER ──────────────────────────────────────── */
.footer {
  background: var(--c-surface-0);
  border-top: 1px solid var(--c-surface-3);
  position: relative;
}

.footer-mega {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 4rem clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand { grid-column: 1; }

.footer-brand-name {
  font-family: var(--f-display);
  font-size: 1.5rem;
  color: var(--c-white-warm);
  margin-bottom: .3rem;
}

.footer-brand-tagline {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 1rem;
}

.footer-brand-desc {
  font-size: .88rem;
  color: var(--c-white-dim);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: .8rem;
}

.footer-social-link {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-surface-2);
  border: 1px solid var(--c-surface-3);
  color: var(--c-white-dim);
  font-size: .9rem;
  text-decoration: none;
  transition: background .3s, border-color .3s, color .3s, transform .3s;
}
.footer-social-link:hover {
  background: var(--c-amber);
  border-color: var(--c-amber);
  color: var(--c-black);
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--f-mono);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 1.2rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer-link {
  font-size: .88rem;
  color: var(--c-white-dim);
  text-decoration: none;
  transition: color .25s, padding-left .25s;
}
.footer-link:hover {
  color: var(--c-amber);
  padding-left: .3rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin-bottom: .8rem;
}

.footer-contact-icon {
  color: var(--c-amber);
  font-size: .85rem;
  margin-top: .2rem;
  flex-shrink: 0;
}

.footer-contact-text {
  font-size: .85rem;
  color: var(--c-white-dim);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--c-surface-2);
  padding: 1.5rem clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-copy {
  font-size: .78rem;
  color: var(--c-white-faint);
}

.footer-credit {
  font-size: .72rem;
  color: var(--c-white-faint);
}
.footer-credit a { color: var(--c-amber); }

.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--c-amber);
  color: var(--c-black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  text-decoration: none;
  z-index: 100;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .25s;
  cursor: pointer;
  border: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--c-amber-light); }

/* ─── LOCK SCREEN ─────────────────────────────────── */
.lock-screen {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-black);
  overflow: hidden;
}

.lock-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,133,58,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,133,58,.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.lock-bg-radial {
  position: absolute;
  width: 600px; height: 600px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(212,133,58,.06) 0%, transparent 60%);
  border-radius: 50%;
}

.lock-card {
  position: relative;
  z-index: 1;
  background: var(--c-surface-1);
  border: 1px solid var(--c-surface-3);
  padding: 3rem 2.5rem;
  max-width: 420px;
  width: 90%;
  text-align: center;
}

.lock-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--c-amber);
}

.lock-brand {
  font-family: var(--f-display);
  font-size: 1.6rem;
  color: var(--c-white-warm);
  margin-bottom: .3rem;
}

.lock-subtitle {
  font-family: var(--f-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 2rem;
}

.lock-instruction {
  font-size: .85rem;
  color: var(--c-white-dim);
  margin-bottom: 1.5rem;
}

.lock-input-wrap { position: relative; margin-bottom: 1rem; }

.lock-input {
  width: 100%;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 1.6rem;
  letter-spacing: .5em;
  color: var(--c-white-warm);
  background: var(--c-surface-0);
  border: 2px solid var(--c-surface-3);
  padding: 1rem;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.lock-input:focus {
  border-color: var(--c-amber);
  box-shadow: 0 0 0 4px var(--c-amber-glow);
}
.lock-input.error {
  border-color: var(--c-crimson-light);
  animation: shake .5s ease-in-out;
}
.lock-input.success {
  border-color: #4a8;
  box-shadow: 0 0 0 4px rgba(68,170,136,.15);
}

.lock-toggle {
  font-family: var(--f-body);
  font-size: .78rem;
  color: var(--c-white-faint);
  background: none;
  border: none;
  cursor: pointer;
  margin-bottom: 1rem;
  transition: color .3s;
}
.lock-toggle:hover { color: var(--c-amber); }

.lock-error {
  font-family: var(--f-mono);
  font-size: .72rem;
  color: var(--c-crimson-light);
  opacity: 0;
  transition: opacity .3s;
  margin-bottom: .8rem;
}
.lock-error.visible { opacity: 1; }

.lock-btn {
  width: 100%;
  font-family: var(--f-body);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--c-black);
  background: var(--c-amber);
  border: none;
  padding: .9rem;
  cursor: pointer;
  transition: background .25s, transform .25s;
}
.lock-btn:hover {
  background: var(--c-amber-light);
  transform: translateY(-1px);
}

.lock-footer {
  margin-top: 1.5rem;
  font-size: .72rem;
  color: var(--c-white-faint);
}

/* ─── REVEAL ANIMATIONS ──────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(.9);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ─── KEYFRAME ANIMATIONS ─────────────────────────── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .4; transform: scale(.7); }
}

@keyframes energy-flow {
  0% { left: -40%; }
  100% { left: 100%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-25px); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 8px var(--c-amber-glow); }
  50% { box-shadow: 0 0 24px var(--c-amber-glow); }
}

@keyframes grid-pan {
  0% { transform: translate(0, 0); }
  100% { transform: translate(120px, 120px); }
}

@keyframes spin-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

/* ─── RESPONSIVE — 1200px ─────────────────────────── */
@media (max-width: 1200px) {
  .hero-content { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-mega { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

/* ─── RESPONSIVE — 900px ──────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero { min-height: auto; padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 3rem; }
  .hero-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-stats-grid { grid-template-columns: 1fr 1fr; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-asymm-60-40, .grid-asymm-40-60 { grid-template-columns: 1fr; }

  .footer-mega { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: .8rem; text-align: center; }

  .page-hero { min-height: 40vh; }
}

/* ─── RESPONSIVE — 600px ──────────────────────────── */
@media (max-width: 600px) {
  :root { --nav-h: 60px; }

  .hero-name { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero-stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }

  .section { padding: 3rem 1.2rem; }
  .section-full { padding: 3rem 1.2rem; }

  .footer-mega { grid-template-columns: 1fr; gap: 2rem; }

  .glass-card { padding: 1.5rem; }
  .article-card { padding: 1.3rem; }

  .lock-card { padding: 2rem 1.5rem; }
  .lock-input { font-size: 1.3rem; letter-spacing: .35em; }

  .blockquote { padding-left: 1.2rem; }

  .newsletter-form { flex-direction: column; }
  .newsletter-input { border-right: 1px solid var(--c-surface-3); }
  .newsletter-btn { width: 100%; }
}

/* ─── UTILITIES ───────────────────────────────────── */
.text-amber { color: var(--c-amber); }
.text-crimson { color: var(--c-crimson-light); }
.text-muted { color: var(--c-white-dim); }
.text-center { text-align: center; }
.text-mono { font-family: var(--f-mono); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mx-auto { margin-inline: auto; }
.max-w-lg { max-width: 720px; }
.max-w-xl { max-width: 960px; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}