/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #0a0a0f;
  --bg-card:    #12121a;
  --bg-elevated:#1a1a26;
  --border:     rgba(255, 255, 255, 0.08);
  --text:       #e8e6e3;
  --text-muted: #8a8794;
  --accent:     #e8a849;
  --accent-dim: #c4882e;
  --accent-glow:rgba(232, 168, 73, 0.25);
  --purple:     #7c6cf0;
  --radius:     12px;
  --radius-lg:  20px;
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body:    "Outfit", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Ambient background ───────────────────────────────────── */
.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(124, 108, 240, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 90% 80%, rgba(232, 168, 73, 0.08), transparent),
    var(--bg-deep);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.035;
  pointer-events: none;
  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='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

section { padding: 5rem 0; }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(10, 10, 15, 0.75);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--bg-deep);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  padding: 0.5rem 1.1rem;
  background: var(--accent);
  color: var(--bg-deep) !important;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
  background: #f0b85a;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.25rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-primary:hover {
  background: #f0b85a;
  box-shadow: 0 6px 32px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}

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

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

/* ── Section headers ──────────────────────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 1.05rem;
}

/* ── Product card ─────────────────────────────────────────── */
.product-section { padding-top: 2rem; }

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
}

.product-visual {
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}

.product-visual-glow {
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.mock-ui {
  position: relative;
  z-index: 1;
  width: 85%;
  background: var(--bg-deep);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
}

.mock-dot:first-child { background: #ff5f57; }
.mock-dot:nth-child(2) { background: #febc2e; }
.mock-dot:nth-child(3) { background: #28c840; }

.mock-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mock-node {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.mock-node:nth-child(2) { border-left-color: var(--purple); }
.mock-node:nth-child(3) { border-left-color: #4ade80; }

.product-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: rgba(232, 168, 73, 0.12);
  color: var(--accent);
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.product-info h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.product-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

/* ── Features grid ────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(232, 168, 73, 0.3);
  transform: translateY(-3px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(232, 168, 73, 0.1);
  border-radius: 10px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Use cases ────────────────────────────────────────────── */
.use-cases {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.use-case-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.use-case {
  text-align: center;
  padding: 1.5rem 1rem;
}

.use-case-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.use-case h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.use-case p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── About ────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 2rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.value-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.value-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1;
}

.value-item h4 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.value-item a {
  color: var(--accent);
  text-decoration: none;
}

.value-item a:hover {
  text-decoration: underline;
}

/* ── CTA banner ───────────────────────────────────────────── */
.cta-banner {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, rgba(232, 168, 73, 0.08), rgba(124, 108, 240, 0.08));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 0.75rem;
}

.cta-banner p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-inline: auto;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-col h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.footer-col a:hover { opacity: 1; }

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
  .product-card,
  .about-grid { grid-template-columns: 1fr; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .use-case-list { grid-template-columns: repeat(2, 1fr); }

  .hero-stats { gap: 2rem; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
  }

  .nav-links.open { display: flex; }

  .nav-links li { width: 100%; }

  .nav-links a {
    display: block;
    padding: 0.75rem 1.5rem;
  }

  .menu-toggle { display: block; }

  .features-grid { grid-template-columns: 1fr; }
  .use-case-list { grid-template-columns: 1fr 1fr; }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-inner { flex-direction: column; }
  .footer-links { flex-direction: column; gap: 1.5rem; }
}