:root {
  --bg: #000;
  --bg-light: #f5f5f7;
  --text: #f5f5f7;
  --text-dark: #1d1d1f;
  --text-mute: #86868b;
  --accent: #ff6b1a;
  --accent-2: #ff9500;
  --border: rgba(255,255,255,.12);
  --border-dark: rgba(0,0,0,.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: 'JetBrains Mono', monospace; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
section { position: relative; }

/* ── NAV ─────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(0,0,0,.72);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1180px; margin: 0 auto; padding: 0 22px; height: 56px;
  display: flex; align-items: center; gap: 28px;
}
.nav-logo {
  font-weight: 800; font-size: 16px; letter-spacing: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav-links { display: flex; gap: 22px; flex: 1; }
.nav-links a {
  font-size: 13px; color: rgba(245,245,247,.85);
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  background: var(--accent); color: #fff;
  padding: 8px 18px; border-radius: 980px;
  font-size: 13px; font-weight: 600; transition: transform .15s, opacity .15s;
}
.nav-cta:hover { opacity: .9; transform: scale(1.03); }

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

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  height: 100vh; min-height: 700px; max-height: 900px;
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.55);
  transform: scale(1.05);
  animation: kenburns 25s ease-out infinite alternate;
}
@keyframes kenburns {
  to { transform: scale(1.15); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.4) 0%, transparent 30%, transparent 70%, rgba(0,0,0,.85) 100%);
}
.hero-content {
  position: relative; z-index: 2; padding: 0 32px;
  max-width: 1180px; margin: 0 auto; width: 100%;
}
.hero-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 20px;
  opacity: 0; animation: fade-up .8s .1s forwards;
}
.hero-title {
  font-size: clamp(40px, 8vw, 88px);
  font-weight: 800; line-height: 1.05; letter-spacing: -.02em;
  margin-bottom: 24px;
  opacity: 0; animation: fade-up .9s .2s forwards;
}
.hero-sub {
  font-size: clamp(17px, 2vw, 22px); color: rgba(245,245,247,.78);
  max-width: 640px; margin-bottom: 36px; line-height: 1.45;
  opacity: 0; animation: fade-up 1s .3s forwards;
}
.hero-actions {
  display: flex; gap: 14px; margin-bottom: 80px;
  opacity: 0; animation: fade-up 1s .4s forwards;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 720px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18);
  opacity: 0; animation: fade-up 1s .6s forwards;
}
.stat-num {
  font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: -.02em;
  background: linear-gradient(135deg, #fff 0%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-unit { font-size: 0.5em; color: rgba(255,255,255,.6); margin-left: 4px; font-weight: 500; }
.stat-lbl {
  font-size: 12px; color: rgba(245,245,247,.6);
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 6px;
}
.hero-scroll {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: rgba(255,255,255,.5); letter-spacing: 2px;
  animation: bounce 2.4s ease infinite;
}
@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); opacity: .5; }
  50% { transform: translate(-50%, 8px); opacity: 1; }
}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.btn-primary, .btn-secondary {
  padding: 14px 32px; border-radius: 980px;
  font-size: 16px; font-weight: 600; transition: all .2s;
}
.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 0 0 rgba(255,107,26,.5);
}
.btn-primary:hover {
  transform: translateY(-1px); opacity: .92;
  box-shadow: 0 8px 24px -4px rgba(255,107,26,.45);
}
.btn-secondary {
  background: rgba(255,255,255,.12); color: #fff;
  backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255,255,255,.2); }

/* ── 3D BITCOIN ──────────────────────────────────────────────────────────── */
.bitcoin-3d {
  display: grid; grid-template-columns: 1.1fr 1fr;
  min-height: 100vh; background: #000;
  position: relative; overflow: hidden;
}
.bitcoin-3d::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(255,107,26,.18), transparent 70%),
    radial-gradient(ellipse 60% 70% at 80% 20%, rgba(255,149,0,.10), transparent 70%);
  pointer-events: none;
}
.b3d-canvas-wrap {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
}
#b3d-canvas {
  width: 100%; height: 100%;
  touch-action: none; cursor: grab;
}
#b3d-canvas:active { cursor: grabbing; }
.b3d-hint {
  position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%);
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  color: rgba(255,255,255,.4); letter-spacing: 2px;
  pointer-events: none;
  animation: fade-pulse 3s ease-in-out infinite;
}
@keyframes fade-pulse {
  0%, 100% { opacity: .25; }
  50% { opacity: .7; }
}
.b3d-text {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(48px, 8vw, 120px);
}
.b3d-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 16px;
}
.b3d-text h2 {
  font-size: clamp(36px, 5.5vw, 72px); font-weight: 800;
  line-height: 1.0; letter-spacing: -.02em; margin-bottom: 24px;
  background: linear-gradient(180deg, #fff 0%, #cbb98a 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.b3d-text h2 sup {
  font-size: 0.5em; vertical-align: super;
  color: var(--accent); -webkit-text-fill-color: var(--accent);
}
.b3d-text p {
  font-size: clamp(16px, 1.4vw, 19px); color: rgba(255,255,255,.62);
  max-width: 480px; margin-bottom: 40px; line-height: 1.55;
}
.b3d-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 28px;
}
.b3d-stat-num {
  font-size: clamp(20px, 2.4vw, 32px); font-weight: 700;
  color: var(--accent); letter-spacing: -.01em;
  font-family: 'JetBrains Mono', monospace;
}
.b3d-stat-lbl {
  font-size: 10px; color: rgba(255,255,255,.5);
  text-transform: uppercase; letter-spacing: 1.2px; margin-top: 6px;
  line-height: 1.3;
}
@media (max-width: 900px) {
  .bitcoin-3d { grid-template-columns: 1fr; }
  .b3d-canvas-wrap { min-height: 60vh; }
  .b3d-text { padding: 40px 24px 80px; }
}

/* ── PRODUCT SECTIONS ────────────────────────────────────────────────────── */
.product {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 100vh; background: var(--bg-light); color: var(--text-dark);
}
.product-side {
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(48px, 8vw, 120px);
  position: relative;
}
.product-img {
  background-size: cover; background-position: center;
  min-height: 60vh;
}
.product-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 16px;
}
.product h2 {
  font-size: clamp(36px, 5vw, 64px); font-weight: 700;
  line-height: 1.05; letter-spacing: -.02em; margin-bottom: 20px;
}
.product-sub {
  font-size: clamp(16px, 1.4vw, 19px); color: var(--text-mute);
  max-width: 480px; margin-bottom: 36px;
}

.spec-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  margin-bottom: 36px; max-width: 460px;
}
.spec-num {
  font-size: 32px; font-weight: 700; letter-spacing: -.02em;
  color: var(--text-dark);
}
.spec-num span {
  font-size: 14px; color: var(--text-mute); margin-left: 6px; font-weight: 500;
}
.spec-lbl {
  font-size: 11px; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 4px;
}

.price-row {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.price { font-size: 18px; color: var(--text-mute); }
.price b { color: var(--text-dark); font-size: 32px; font-weight: 700; letter-spacing: -.01em; }

@media (max-width: 900px) {
  .product { grid-template-columns: 1fr; }
  .product-img { min-height: 50vh; order: -1; }
  .product-reverse .product-img { order: 0; }
  .product-reverse > .product-img:last-child { order: -1; }
}

/* ── COMPARE ─────────────────────────────────────────────────────────────── */
.compare {
  background: #000; color: #fff;
  padding: clamp(80px, 12vw, 160px) 24px;
}
.compare-inner { max-width: 1180px; margin: 0 auto; }
.compare-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 14px;
}
.compare h2 {
  font-size: clamp(36px, 5vw, 64px); font-weight: 700;
  line-height: 1.05; letter-spacing: -.02em; margin-bottom: 60px;
}
.compare-table {
  border-radius: 16px; overflow: hidden;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
}
.compare-header, .compare-row {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr 1fr;
  align-items: center;
}
.compare-header > div, .compare-row > div {
  padding: 18px 20px; font-size: 14px;
}
.compare-header {
  background: rgba(255,255,255,.06); font-weight: 600;
  font-size: 14px; letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
}
.compare-row { border-bottom: 1px solid var(--border); }
.compare-row:last-child { border-bottom: none; }
.compare-row > div:first-child {
  color: var(--text-mute); font-size: 13px;
  text-transform: uppercase; letter-spacing: 1px;
}
.compare-row > div:not(:first-child) { font-family: 'JetBrains Mono', monospace; font-weight: 500; }
.compare-row .hl { color: var(--accent); font-weight: 700; }

@media (max-width: 900px) {
  .compare-table { overflow-x: auto; }
  .compare-header, .compare-row { min-width: 720px; }
}

/* ── FEATURES ────────────────────────────────────────────────────────────── */
.features {
  background: var(--bg-light); color: var(--text-dark);
  padding: clamp(80px, 12vw, 160px) 24px;
}
.features-inner { max-width: 1180px; margin: 0 auto; }
.features-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 14px;
}
.features h2 {
  font-size: clamp(36px, 5vw, 64px); font-weight: 700;
  line-height: 1.05; letter-spacing: -.02em; margin-bottom: 60px;
}
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px;
}
.feature {
  background: #fff; padding: 36px 32px; border-radius: 18px;
  border: 1px solid var(--border-dark);
  transition: transform .2s, box-shadow .2s;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -16px rgba(0,0,0,.12);
}
.feature-icon {
  font-size: 32px; margin-bottom: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.feature h3 {
  font-size: 20px; font-weight: 600; margin-bottom: 8px; letter-spacing: -.01em;
}
.feature p { color: var(--text-mute); font-size: 15px; line-height: 1.55; }

/* ── CTA ─────────────────────────────────────────────────────────────────── */
.cta {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 24px;
}
.cta-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  filter: brightness(.4);
}
.cta-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(0,0,0,.3), rgba(0,0,0,.85));
}
.cta-content {
  position: relative; z-index: 2;
  max-width: 720px; margin: 0 auto; text-align: center;
}
.cta h2 {
  font-size: clamp(36px, 5vw, 64px); font-weight: 700;
  line-height: 1.05; letter-spacing: -.02em; margin-bottom: 20px;
}
.cta p {
  font-size: clamp(16px, 1.6vw, 19px); color: rgba(245,245,247,.78);
  margin-bottom: 40px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.cta-form {
  display: flex; flex-direction: column; gap: 12px;
  max-width: 480px; margin: 0 auto;
}
.cta-form input, .cta-form select {
  padding: 16px 20px; border-radius: 14px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18);
  color: #fff; font-size: 16px; font-family: inherit;
  backdrop-filter: blur(10px); transition: border-color .15s, background .15s;
}
.cta-form input::placeholder, .cta-form select { color: rgba(255,255,255,.5); }
.cta-form input:focus, .cta-form select:focus {
  outline: none; border-color: var(--accent); background: rgba(255,255,255,.12);
}
.cta-form select option { background: #1d1d1f; color: #fff; }
.cta-form button { margin-top: 8px; }
.cta-direct {
  margin-top: 28px; font-size: 14px; color: rgba(255,255,255,.65);
}
.cta-direct a { color: var(--accent); font-weight: 600; }

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.footer {
  background: #000; color: rgba(255,255,255,.6);
  padding: 80px 24px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 60px;
  padding-bottom: 60px; border-bottom: 1px solid var(--border);
}
.footer-logo {
  font-weight: 800; font-size: 18px; letter-spacing: 2px; color: #fff;
  margin-bottom: 12px;
}
.footer-col p { font-size: 14px; line-height: 1.55; }
.footer-col h4 {
  font-size: 13px; color: #fff; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 18px;
}
.footer-col a {
  display: block; font-size: 14px; color: rgba(255,255,255,.65);
  margin-bottom: 8px; transition: color .15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1180px; margin: 0 auto; padding-top: 30px;
  font-size: 12px; color: rgba(255,255,255,.4); text-align: center;
}
@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
}