/* Iceland Font for Big Lettering */
h1, h2, h3, h4, h5, h6,
.title, .headline, .section-title, .maint-title,
.hero-title, .section-heading, .card-title,
.nav-title, .footer-title {
  font-family: 'Iceland', serif;
  letter-spacing: 1px;
}

/* ═══════════════════════════════════════════════════════════════
   INDEEP4CRYPTO — BENTHIC DEPTH THEME SYSTEM
   Depth increases as you scroll. Surface → Twilight → Abyss.
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Iceland&display=swap');

/* ── DESIGN TOKENS ── */
:root {
  /* Depth palette — surface to abyss */
  --surface:       #1a3a5c;   
  --twilight:      #0d1f3c;   
  --mesopelagic:   #080f20;   
  --bathypelagic:  #040810;   
  --abyss:         #020408;   

  /* Brass — the instruments that survive the pressure */
  --brass:         #c9a84c;
  --brass-light:   #e8c96a;
  --brass-pale:    #f5e4a0;
  --brass-dark:    #8a6f2e;
  --brass-dim:     #4a3c18;

  /* Signals */
  --teal:          #00d4ff;
  --teal-glow:     rgba(0, 212, 255, 0.15);
  --teal-dim:      #007a99;
  --green:         #00ff88;
  --red-alert:     #ff3333;
  --amber:         #ffaa00;

  /* Typography */
  --font-display: 'Iceland', sans-serif;
  --font-mono: 'Iceland', monospace;
  --font-body: 'Iceland', sans-serif;

  /* Transitions */
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Iceland', sans-serif;
  background: var(--abyss);
  color: rgba(200, 215, 235, 0.85);
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ── DEPTH SECTION BACKGROUNDS ── */
.depth-0  { background: linear-gradient(180deg, #1e4a6e 0%, #0f2d4a 100%); }   
.depth-1  { background: linear-gradient(180deg, #0f2d4a 0%, #0a1f38 100%); }   
.depth-2  { background: linear-gradient(180deg, #0a1f38 0%, #071628 100%); }   
.depth-3  { background: linear-gradient(180deg, #071628 0%, #050e1c 100%); }   
.depth-4  { background: linear-gradient(180deg, #050e1c 0%, #030810 100%); }   
.depth-5  { background: linear-gradient(180deg, #030810 0%, #020508 100%); }   
.depth-6  { background: linear-gradient(180deg, #020508 0%, #010204 100%); }   

/* ── GRID OVERLAY ── */
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ── BRASS DIVIDERS ── */
.brass-line {
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
  margin: 20px auto;
}
.brass-line-full {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.70), transparent);
}

/* ── DEPTH INDICATOR LABEL ── */
.depth-marker {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(201,168,76,0.35);
  letter-spacing: 3px;
  text-align: center;
  padding: 8px 0;
}

/* ── SECTION WRAPPER ── */
.section-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px;
}
@media (max-width: 768px) { .section-inner { padding: 60px 20px; } }

/* ── SECTION LABELS ── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--teal-dim);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 900;
  color: var(--brass);
  letter-spacing: 3px;
  text-transform: uppercase;
  line-height: 1.1;
  text-shadow: 0 0 40px rgba(201,168,76,0.25);
}
.section-subtitle {
  font-size: 17px;
  color: rgba(200,215,235,0.65);
  line-height: 1.75;
  max-width: 680px;
  margin-top: 16px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  cursor: pointer;
  border: none;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--brass-dark), var(--brass));
  color: var(--abyss);
  box-shadow: 0 4px 20px rgba(201,168,76,0.2);
}
.btn-primary:hover {
  box-shadow: 0 4px 40px rgba(201,168,76,0.45);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--brass);
  border: 1px solid rgba(201, 168, 76, 0.70);
}
.btn-ghost:hover {
  border-color: var(--brass);
  background: rgba(201,168,76,0.06);
  transform: translateY(-2px);
}

/* ── STATUS PILL ── */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(0,255,136,0.3);
  background: rgba(0,255,136,0.05);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  letter-spacing: 2px;
}
.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 1.5s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.8)} }

/* ── TICKER ── */
.ticker-bar {
  width: 100%;
  overflow: hidden;
  background: rgba(6,11,22,0.95);
  border-top: 1px solid rgba(201,168,76,0.15);
  border-bottom: 1px solid rgba(201,168,76,0.15);
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 0;
}
.ticker-label {
  flex-shrink: 0;
  padding: 0 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--green);
  letter-spacing: 2px;
  border-right: 1px solid rgba(201,168,76,0.2);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ticker-track {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 18px;
}
.ticker-content {
  position: absolute;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(201, 168, 76, 0.80);
  letter-spacing: 1px;
  animation: ticker 35s linear infinite;
}
@keyframes ticker { from{transform:translateX(100vw)} to{transform:translateX(-100%)} }

/* ── PANEL / CARD ── */
.panel {
  background: linear-gradient(145deg, rgba(10,20,40,0.9), rgba(4,8,16,0.95));
  border: 1px solid rgba(201,168,76,0.2);
  position: relative;
  transition: all 0.35s var(--ease);
}
.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.75), transparent);
  transition: all 0.35s;
}
.panel:hover {
  border-color: rgba(201, 168, 76, 0.75);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 30px rgba(201,168,76,0.08);
  transform: translateY(-3px);
}
.panel:hover::before {
  background: linear-gradient(90deg, transparent, var(--brass), transparent);
}

/* ── PRESSURE GAUGE SVG ── */
.gauge-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.gauge-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--brass-dark);
  letter-spacing: 3px;
  text-transform: uppercase;
}

/* ── PARTICLE CANVAS ── */
#particle-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ── NAV ── */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(2,4,8,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,168,76,0.12);
  transition: all 0.3s;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 900;
  color: var(--brass);
  letter-spacing: 4px;
  text-shadow: 0 0 20px rgba(201,168,76,0.3);
}
.nav-logo span { color: var(--teal); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(201, 168, 76, 0.75);
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--brass); }
.nav-cta {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--abyss) !important;
  background: linear-gradient(135deg, var(--brass-dark), var(--brass));
  padding: 8px 20px;
  transition: all 0.3s !important;
}
.nav-cta:hover { box-shadow: 0 0 20px rgba(201, 168, 76, 0.70); }

@media (max-width: 768px) {
  .main-nav { padding: 0 20px; }
  .nav-links { display: none; }
}

/* ── FOOTER ── */
.main-footer {
  background: var(--abyss);
  border-top: 1px solid rgba(201,168,76,0.1);
  padding: 48px 40px 32px;
  position: relative;
  z-index: 2;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  color: var(--brass);
  letter-spacing: 4px;
  margin-bottom: 12px;
}
.footer-brand-name span { color: var(--teal); }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(201,168,76,0.35);
  letter-spacing: 2px;
  line-height: 1.8;
}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--brass-dark);
  letter-spacing: 3px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links-list a {
  font-size: 13px;
  color: rgba(200, 215, 235, 0.65);
  transition: color 0.3s;
  font-family: var(--font-body);
}
.footer-links-list a:hover { color: var(--brass); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(201,168,76,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(201,168,76,0.25);
  letter-spacing: 1px;
}
.footer-directive {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(201,168,76,0.2);
  letter-spacing: 1px;
}
.math-truth-quote {
    color: #00d4ff !important; /* Vibrant Benthic Blue */
    text-shadow: 0 0 15px rgba(0, 212, 255, 0.6);
    font-family: 'Iceland', sans-serif !important;
    font-weight: 400;
    letter-spacing: 1px;
}