/* ==== Dekont V2 — Landing Page ============================================== */

:root {
  --bg: #050816;
  --bg-elev: #0c1226;
  --bg-card: #111a36;
  --border: #1f2a4d;
  --text: #e6e9f5;
  --text-mute: #8b94b8;
  --accent: #7c3aed;
  --accent-2: #06b6d4;
  --accent-3: #f472b6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 60px -20px rgba(124, 58, 237, 0.25);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--accent-2); }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }

/* ---- Nav ---- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(5, 8, 22, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 17px;
  color: var(--text);
}
.logo:hover { color: var(--text); }
.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}
.logo-accent { color: var(--accent-2); }
.nav-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
  margin-right: 12px;
}
.nav-links a {
  color: var(--text-mute);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 4px;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: 8px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s, background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  box-shadow: 0 6px 24px -8px rgba(124, 58, 237, 0.6);
}
.btn-primary:hover { filter: brightness(1.1); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.1);
}
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); color: var(--text); }
.btn-lg { padding: 14px 22px; font-size: 15px; }
.btn.block { display: flex; width: 100%; }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 80px 24px 64px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: float 12s ease-in-out infinite;
}
.orb-1 {
  width: 480px;
  height: 480px;
  background: var(--accent);
  top: -140px;
  left: -100px;
}
.orb-2 {
  width: 380px;
  height: 380px;
  background: var(--accent-2);
  bottom: -120px;
  right: -80px;
  animation-delay: -6s;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -30px); }
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, rgba(0,0,0,1) 0%, transparent 70%);
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-copy { animation: slideUp 0.7s ease-out backwards; }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.pill {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.12);
  color: #c4b5fd;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1px solid rgba(124, 58, 237, 0.3);
  margin-bottom: 22px;
}

h1 {
  font-size: clamp(40px, 5vw, 60px);
  margin-bottom: 22px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  color: var(--text-mute);
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 36px;
}
.hero-stats > div {
  display: flex;
  flex-direction: column;
}
.hero-stats strong {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-stats span {
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ---- Demo cards (hero + interactive) ---- */
.hero-demo {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 20px;
  animation: slideUp 0.9s ease-out 0.15s backwards;
}
.demo-card {
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.demo-card.receipt {
  padding: 16px;
  background: transparent;
  border: none;
  box-shadow: none;
}
.dekont-svg {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 18px 50px -16px rgba(0, 0, 0, 0.6);
  transform: perspective(900px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.3s ease;
}
.dekont-svg:hover {
  transform: perspective(900px) rotateY(0deg) rotateX(0deg);
}

.demo-arrow {
  color: var(--accent-2);
  width: 56px;
  opacity: 0.7;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: translateX(0); opacity: 0.5; }
  50% { transform: translateX(6px); opacity: 1; }
}

.json-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}
.json-card-head {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-mute);
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-r { background: #f56;}
.dot-y { background: #fc6;}
.dot-g { background: #6f6;}
.json-title {
  margin-left: 8px;
  font-family: ui-monospace, SF Mono, monospace;
}
.json-out {
  margin: 0;
  padding: 18px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.7;
  color: #c5d2f5;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 290px;
  position: relative;
}
.json-out .key { color: #67e8f9; }
.json-out .str { color: #fbbf24; }
.json-out .num { color: #c084fc; }
.json-out .bool { color: #f472b6; }
.json-out .null { color: #94a3b8; }
.json-out::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 14px;
  background: var(--accent-2);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(2) infinite;
}
.json-out.done::after { display: none; }
@keyframes blink {
  50% { opacity: 0; }
}

/* ---- Sections ---- */
.section {
  padding: 88px 24px;
  position: relative;
}
.section-alt { background: var(--bg-elev); }
.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}
.eyebrow {
  display: inline-block;
  font-size: 12px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 600;
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  margin-bottom: 14px;
}
.section-sub {
  color: var(--text-mute);
  font-size: 16px;
}
.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ---- Step cards ---- */
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.5);
}
.step-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}
.step-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.step-card p {
  color: var(--text-mute);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ---- Demo block (interactive) ---- */
.demo-block {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}
.demo-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.demo-controls .btn { min-width: 180px; }
.demo-hint {
  font-size: 12px;
  color: var(--text-mute);
}
.btn .btn-spin {
  display: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}
.btn[data-loading] .btn-spin { display: inline-block; }
.btn[data-loading] .btn-label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Pricing ---- */
.pricing .price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.price-card.highlight {
  border-color: var(--accent);
  box-shadow: 0 20px 60px -20px rgba(124, 58, 237, 0.5);
  transform: translateY(-8px);
}
.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.price-card h3 {
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mute);
}
.price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.price .amount {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.price .curr {
  font-size: 14px;
  color: var(--text-mute);
  font-weight: 600;
}
.tokens {
  font-size: 13px;
  color: var(--accent-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.features {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.features li {
  color: var(--text-mute);
  font-size: 14px;
  padding-left: 22px;
  position: relative;
}
.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--ok);
  font-weight: 700;
}
.pricing-foot {
  max-width: 720px;
  margin: 32px auto 0;
  text-align: center;
  color: var(--text-mute);
  font-size: 14px;
}
.pricing-foot strong { color: var(--text); }

/* ---- Footer ---- */
.footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  padding: 56px 24px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
}
.footer h4 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mute);
  margin-bottom: 12px;
}
.footer a {
  display: block;
  color: var(--text-mute);
  font-size: 14px;
  padding: 4px 0;
}
.footer a:hover { color: var(--text); }
.footer .muted { color: var(--text-mute); font-size: 13px; margin-top: 8px; }

/* ---- Reveal on scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s, transform 0.7s;
}
.reveal.shown {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-demo { grid-template-columns: 1fr; }
  .demo-arrow { display: none; }
  .cards-3 { grid-template-columns: 1fr; }
  .demo-block { grid-template-columns: 1fr; }
  .dekont-svg { transform: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 540px) {
  .nav-cta .btn-ghost { display: none; }
  .hero { padding: 56px 18px 40px; }
  .section { padding: 56px 18px; }
  .hero-stats { gap: 22px; }
  .hero-stats strong { font-size: 20px; }
}