/* ============================
   EthTrader — Design System
   ============================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* --- Tokens --- */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #0d1220;
  --bg-card: rgba(13, 18, 32, 0.65);
  --bg-card-hover: rgba(0, 212, 255, 0.06);
  --surface: #111827;
  --surface-light: #1a2332;

  --accent: #00D4FF;
  --accent-dim: rgba(0, 212, 255, 0.15);
  --accent-glow: rgba(0, 212, 255, 0.35);
  --accent-secondary: #00ff88;
  --accent-warn: #ff6b35;

  --text-primary: #e8ecf1;
  --text-secondary: #8a97ab;
  --text-dim: #4a5568;
  --text-accent: var(--accent);

  --border: rgba(0, 212, 255, 0.12);
  --border-hover: rgba(0, 212, 255, 0.35);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.12);
  --shadow-glow-strong: 0 0 60px rgba(0, 212, 255, 0.2);

  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --header-h: 100px;
  --max-w: 1200px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ============================
   HEADER
   ============================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  padding: 0 clamp(1rem, 4vw, 3rem);
  background: rgba(10, 14, 23, 0.75);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-fast);
}
.header.scrolled {
  background: rgba(10, 14, 23, 0.92);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.logo__icon {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  filter: drop-shadow(0 0 12px rgba(0, 212, 255, 0.4));
}
.logo__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-smooth);
  border-radius: 2px;
}
.nav-menu a:hover { color: var(--text-primary); }
.nav-menu a:hover::after { width: 100%; }

.nav-link-telegram {
  color: #0088cc !important;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700 !important;
}
.nav-link-telegram i {
  font-size: 1.2rem;
}
.nav-link-telegram:hover {
  text-shadow: 0 0 10px rgba(0, 136, 204, 0.5);
}

.btn-connect-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--accent-dim);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-connect-header:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  box-shadow: 0 0 25px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-connect-header svg {
  transition: transform var(--transition-fast);
}

.btn-connect-header:hover svg {
  transform: scale(1.15);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  z-index: 1010;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) clamp(1rem, 4vw, 3rem) 4rem;
  overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10,14,23,0.3) 0%,
    rgba(10,14,23,0.7) 60%,
    var(--bg-primary) 100%
  );
  z-index: 1;
}
.hero__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}
.hero__content { flex: 1; max-width: 580px; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: 50px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}
.hero__badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-secondary);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 255, 136, 0); }
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}
.hero__title .highlight {
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
  max-width: 500px;
  border-left: 2px solid var(--border-hover);
  padding-left: 16px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* CTA Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), #0099cc);
  border-radius: 50px;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  animation: pulse-btn 3s infinite;
}
@keyframes pulse-btn {
  0% { box-shadow: 0 0 15px rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.5); }
  100% { box-shadow: 0 0 15px rgba(0, 212, 255, 0.2); }
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-primary:hover::before { transform: translateX(100%); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50px;
  transition: all var(--transition-fast);
}
.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--accent-dim);
  transform: translateY(-2px);
}

/* Hero terminal panel */
.hero__visual { flex: 1; max-width: 480px; }
.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border-bottom: 1px solid var(--border);
}
.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }
.terminal__title {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-left: 8px;
}
.terminal__body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.9;
  color: var(--text-secondary);
  min-height: 240px;
}
.terminal__line { opacity: 0; animation: typeIn 0.4s ease forwards; }
.terminal__line .label { color: var(--accent); }
.terminal__line .value { color: var(--text-primary); }
.terminal__line .positive { color: var(--accent-secondary); }
.terminal__line .negative { color: var(--accent-warn); }
.terminal__line .dim { color: var(--text-dim); }
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 4px;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes typeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.terminal__footer {
  display: flex;
  justify-content: space-between;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
}
.terminal__footer .eth { color: var(--accent); font-weight: 600; }

/* Hero disclaimer */
.hero__disclaimer {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 2rem auto 0;
  padding: 12px 18px;
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(255, 107, 53, 0.06);
  border: 1px solid rgba(255, 107, 53, 0.15);
  border-radius: var(--radius-sm);
  line-height: 1.5;
}
.hero__disclaimer span { color: var(--accent-warn); font-weight: 600; margin-right: 6px; }

/* ============================
   SECTIONS — shared
   ============================ */
.section {
  padding: 6rem clamp(1rem, 4vw, 3rem);
  position: relative;
}
.section__header {
  text-align: center;
  margin-bottom: 4rem;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section__underline {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: 3px;
  margin: 0 auto;
  box-shadow: 0 0 12px var(--accent-glow);
  animation: underline-glow 3s ease infinite;
}
@keyframes underline-glow {
  0%, 100% { box-shadow: 0 0 12px var(--accent-glow); width: 60px; }
  50% { box-shadow: 0 0 24px var(--accent-glow); width: 80px; }
}

/* ============================
   ARCHITECTURE CARDS
   ============================ */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.arch-card {
  position: relative;
  padding: 32px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}
.arch-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.arch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}
.arch-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}
.arch-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.arch-card:hover::before { opacity: 1; }
.arch-card:hover::after { opacity: 1; }

.arch-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--accent);
  position: absolute;
  top: 28px;
  right: 28px;
}
.arch-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.3px;
}
.arch-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 90%;
}

/* ============================
   PRICING
   ============================ */
.pricing-section {
  background: var(--bg-secondary);
}
.pricing-trial-banner {
  max-width: 680px;
  margin: 3rem auto 0;
  padding: 32px 40px;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.pricing-trial-banner::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, var(--accent), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.pricing-trial-banner h3 {
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 10px;
  font-weight: 700;
}
.pricing-trial-banner p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 800px;
  margin: 0 auto;
}
.pricing-card {
  position: relative;
  padding: 36px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.pricing-card--featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}
.pricing-card__badge {
  position: absolute;
  top: -1px;
  right: 24px;
  padding: 4px 14px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--bg-primary);
  background: var(--accent);
  border-radius: 0 0 8px 8px;
}
.pricing-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 16px;
}
.pricing-card__price {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 6px;
}
.pricing-card__price span { font-size: 1rem; color: var(--text-dim); font-weight: 400; }
.pricing-card__period {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 24px;
}
.pricing-card__features {
  flex: 1;
  margin-bottom: 28px;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.pricing-card__features li .check {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
}

.btn-select {
  width: 100%;
  padding: 14px;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.btn-select::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-select:hover::before { transform: translateX(100%); }

.btn-select--outline {
  color: var(--accent);
  border: 1px solid var(--border-hover);
  background: var(--accent-dim);
}
.btn-select--outline:hover {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: var(--shadow-glow);
}
.btn-select--filled {
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), #0099cc);
}
.btn-select--filled:hover {
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
  transform: translateY(-2px);
}

/* Plan detail (revealed after select) */
.plan-detail {
  margin-top: 18px;
  padding: 18px;
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-align: center;
  display: none;
  animation: fadeSlide 0.4s ease forwards;
}
.plan-detail.active { display: block; }
.plan-detail__price {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.plan-detail__trial {
  font-size: 0.82rem;
  color: var(--accent-secondary);
  margin-bottom: 14px;
  font-weight: 600;
}
.btn-pay-eth {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent-secondary), #00cc6a);
  border-radius: 50px;
  transition: all var(--transition-fast);
}
.btn-pay-eth:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 255, 136, 0.3);
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================
   TRUST BAR
   ============================ */
.trust-bar {
  padding: 4rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.trust-item__icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
}
.trust-item__title {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.trust-item__desc {
  font-size: 0.78rem;
  color: var(--text-dim);
}
.trust-item__desc a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.trust-item__desc a:hover { color: var(--text-primary); }

/* ============================
   FOOTER
   ============================ */
.footer {
  padding: 3rem clamp(1rem, 4vw, 3rem) 2rem;
  border-top: 1px solid var(--border);
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer__brand .logo { font-size: 1.1rem; }
.footer__copyright {
  font-size: 0.75rem;
  color: var(--text-dim);
}
.footer__links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer__links a {
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: color var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}
.footer__links a:hover { color: var(--accent); }
.footer__disclaimer {
  width: 100%;
  text-align: center;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ============================
   MODALS
   ============================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 1rem;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 460px;
  width: 100%;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-bounce);
  box-shadow: var(--shadow-glow-strong);
}
.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}
.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}
.modal__close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}
.modal__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent-dim);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}
.modal__title {
  font-size: 1.3rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 10px;
}
.modal__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
  margin-bottom: 24px;
}
.modal__text strong { color: var(--accent); font-weight: 700; }

.btn-metamask {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #e2761b, #cd6116);
  border-radius: 50px;
  transition: all var(--transition-fast);
}
.btn-metamask:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(226, 118, 27, 0.35);
}

/* Wallet connected state */
.wallet-connected {
  text-align: center;
  animation: fadeSlide 0.5s ease forwards;
}
.wallet-connected__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--accent-secondary);
  font-weight: 600;
  margin-bottom: 20px;
}
.countdown {
  margin-top: 20px;
  padding: 24px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.countdown__label {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}
.countdown__timer {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 3px;
}
.countdown__sublabel {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 6px;
}

/* Simple wallet modal (header) */
.modal--wallet .modal__icon { background: rgba(226, 118, 27, 0.15); }

/* ============================
   MOBILE NAV OVERLAY
   ============================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}
.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}
.mobile-nav a {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}
.mobile-nav a:hover { color: var(--accent); }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .hero__inner { flex-direction: column; text-align: center; }
  .hero__content { max-width: 100%; }
  .hero__desc { margin-left: auto; margin-right: auto; border-left: none; padding-left: 0; }
  .hero__ctas { justify-content: center; }
  .hero__visual { max-width: 420px; width: 100%; }
  .arch-grid { grid-template-columns: 1fr; max-width: 600px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
}

@media (max-width: 768px) {
  .nav-menu, .btn-wallet-desktop { display: none; }
  .hamburger { display: flex; }
  .trust-grid { grid-template-columns: 1fr; gap: 20px; max-width: 400px; margin: 0 auto; }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
  .modal { padding: 28px; }
  .terminal__body { font-size: 0.72rem; min-height: 200px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.9rem; letter-spacing: -1px; }
  .hero__desc { font-size: 0.92rem; }
  .btn-primary, .btn-secondary { padding: 12px 22px; font-size: 0.85rem; }
  .pricing-card { padding: 28px; }
  .pricing-card__price { font-size: 2.2rem; }
}

/* ============================
   UTILITY
   ============================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================
   METRICS BANNER
   ============================ */
.metrics-banner {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 28px clamp(1rem, 4vw, 3rem);
}
.metrics-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  max-width: var(--max-w);
  margin: 0 auto;
  flex-wrap: wrap;
}
.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.metric-item__value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.metric-item__label {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}
.metric-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ============================
   CREDIBILITY BANNER
   ============================ */
.credibility-banner {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 24px clamp(1rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.credibility-banner__label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 600;
}
.credibility-banner__logos {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.credibility-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}
.credibility-logo:hover {
  opacity: 1;
}

/* ============================
   FEATURE SECURITY TAG
   ============================ */
.feature-security {
  margin-top: 15px;
  border-top: 1px solid var(--border);
  padding-top: 15px;
  color: #00ff88;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ============================
   MODAL SECURITY INFO
   ============================ */
.modal__security-info {
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.modal__security-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.modal__security-row span {
  display: flex;
  align-items: center;
  gap: 6px;
}
.contract-link {
  color: var(--accent) !important;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ============================
   CONNECT BUTTON (replaces metamask)
   ============================ */
.btn-connect {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent), #0099cc);
  border-radius: 50px;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}
.btn-connect::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-connect:hover::before { transform: translateX(100%); }
.btn-connect:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.35);
}
/* ============================
   DOCS SECTION
   ============================ */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto 3rem;
}
.doc-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition-smooth);
  text-decoration: none;
}
.doc-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.doc-card__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.doc-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.doc-card__desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 8px;
}
.doc-card__meta {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Protocol Specs */
.docs-specs {
  max-width: var(--max-w);
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
}
.docs-specs__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
}
.docs-specs__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-row__label {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.72rem;
}
.spec-row__value {
  color: var(--text-primary);
  font-weight: 500;
  text-align: right;
}

/* ============================
   FAQ SECTION
   ============================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}
.faq-item[open] {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}
.faq-item__question {
  padding: 20px 24px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}
.faq-item__question::-webkit-details-marker { display: none; }
.faq-item__question::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: 300;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] .faq-item__question::after {
  content: '−';
}
.faq-item__question:hover { color: var(--accent); }
.faq-item__answer {
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ============================
   FOOTER EXPANDED
   ============================ */
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.footer__registration {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2px;
  font-family: var(--font-mono);
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.footer__col a {
  font-size: 0.82rem;
  color: var(--text-dim);
  transition: color var(--transition-fast);
}
.footer__col a:hover { color: var(--accent); }
.footer__bottom {
  text-align: center;
}
.footer__compliance {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 1rem;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

/* ============================
   REVEAL ANIMATION (universal)
   ============================ */
.reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}
.reveal-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================
   INTERACTIVE CURSOR GLOW
   ============================ */
.arch-card::after,
.doc-card::after,
.pricing-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    350px circle at var(--glow-x, 50%) var(--glow-y, 50%),
    rgba(0, 212, 255, 0.08) 0%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
  z-index: 0;
}
.arch-card:hover::after,
.doc-card:hover::after,
.pricing-card:hover::after {
  opacity: 1;
}

/* ============================
   RESPONSIVE ADDITIONS
   ============================ */
@media (max-width: 1024px) {
  .footer__top { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .metrics-grid { gap: 20px; }
  .metric-divider { display: none; }
  .metric-item__value { font-size: 1.1rem; }
  .credibility-banner { gap: 16px; flex-direction: column; text-align: center; }
  .credibility-banner__logos { gap: 16px; justify-content: center; }
  .docs-grid { grid-template-columns: 1fr; }
  .spec-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .spec-row__value { text-align: left; }
  .footer__top { grid-template-columns: 1fr; gap: 24px; text-align: center; }
  .footer__col { align-items: center; }
}

.modal__icon { display: flex; justify-content: center; align-items: center; margin: 0 auto 1rem; }
.modal__icon img { margin: 0 auto; display: block; }