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

:root {
  --bg: #07080d;
  --bg-elevated: #0e1018;
  --bg-card: #12151f;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);
  --text: #e8eaef;
  --text-muted: #8b92a8;
  --text-dim: #5c6378;
  --accent: #3b9eff;
  --accent-bright: #6bb8ff;
  --cyan: #22d3ee;
  --violet: #a78bfa;
  --green: #34d399;
  --gradient: linear-gradient(135deg, #3b9eff 0%, #22d3ee 50%, #a78bfa 100%);
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  --header-h: 72px;
}

html {
  scroll-behavior: smooth;
}

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

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  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");
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(7, 8, 13, 0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-mark {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-cta {
  padding: 0.5rem 1.1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text) !important;
  transition: border-color 0.2s, background 0.2s;
}

.nav-cta:hover {
  border-color: var(--border-hover);
  background: var(--bg-elevated);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient);
  color: #07080d;
  box-shadow: 0 4px 24px rgba(59, 158, 255, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(59, 158, 255, 0.35);
}

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

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
}

/* ── Hero ── */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 5rem) 0 6rem;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(59, 158, 255, 0.15) 0%, rgba(34, 211, 238, 0.06) 40%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem 0.4rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 16ch;
  margin-inline: auto;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* ── Sections ── */
.section {
  padding: 6rem 0;
}

.section-alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.section-header {
  margin-bottom: 3.5rem;
}

.section-header.centered {
  text-align: center;
}

.section-header.centered p {
  margin-inline: auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-muted);
  max-width: 52ch;
  font-size: 1.05rem;
}

/* ── Tech grid ── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.tech-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color 0.25s, transform 0.25s;
}

.tech-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.tech-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  margin-bottom: 1.25rem;
}

.tech-icon svg {
  width: 22px;
  height: 22px;
}

.tech-icon[data-color="blue"] {
  background: rgba(59, 158, 255, 0.12);
  color: var(--accent);
}

.tech-icon[data-color="cyan"] {
  background: rgba(34, 211, 238, 0.12);
  color: var(--cyan);
}

.tech-icon[data-color="violet"] {
  background: rgba(167, 139, 250, 0.12);
  color: var(--violet);
}

.tech-icon[data-color="green"] {
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
}

.tech-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tech-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.55;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
}

/* ── AI section ── */
.ai-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.ai-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.ai-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ai-features li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.ai-feature-icon {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  width: 2rem;
  padding-top: 0.15rem;
}

.ai-features strong {
  display: block;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.ai-features span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.ai-terminal {
  background: #0a0c12;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  overflow-x: auto;
}

.terminal-body .prompt {
  color: var(--accent);
}

.terminal-body .comment {
  color: var(--text-dim);
}

.terminal-body .success {
  color: var(--green);
}

.terminal-body .ai-response {
  color: var(--cyan);
}

/* ── Workflow ── */
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.workflow-step {
  position: relative;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  background: var(--gradient);
  color: #07080d;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.workflow-step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.workflow-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── CTA ── */
.cta-section {
  padding-bottom: 8rem;
}

.cta-card {
  position: relative;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  bottom: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(59, 158, 255, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.cta-card > p {
  position: relative;
  color: var(--text-muted);
  max-width: 42ch;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.cta-form {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 440px;
  margin-inline: auto;
}

.cta-form input {
  flex: 1 1 220px;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.cta-form input::placeholder {
  color: var(--text-dim);
}

.cta-form input:focus {
  border-color: var(--accent);
}

.cta-note {
  position: relative;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ── Responsive ── */
@media (max-width: 900px) {
  .ai-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .workflow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(7, 8, 13, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

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

  .nav-links a {
    display: block;
    padding: 0.75rem 0;
  }

  .nav-cta {
    text-align: center;
    margin-top: 0.5rem;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.open span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle.open span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .hero {
    padding-top: calc(var(--header-h) + 3rem);
    min-height: auto;
  }

  .hero-stats {
    gap: 2rem;
  }

  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}