/* ============================================
   HUMANT.AI — Landing Page Styles
   Dark, developer-focused, premium feel
   ============================================ */

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-card-hover: #1f2335;
  --bg-subtle: #13151f;
  --accent: #6366f1;
  --accent-bright: #818cf8;
  --accent-dim: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.15);
  --accent-glow-strong: rgba(99, 102, 241, 0.3);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(99, 102, 241, 0.3);
  --green: #10b981;
  --red: #ef4444;
  --yellow: #f59e0b;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Courier New', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 4px 32px rgba(99, 102, 241, 0.2);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Typography ---- */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

.gradient-text {
  background: linear-gradient(135deg, #e2e8f0 0%, #818cf8 50%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent { color: var(--accent-bright); }

/* ---- Layout ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-accent); border-radius: 3px; }

/* ============================================
   NAV
   ============================================ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(15, 17, 23, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s ease;
}

.nav-inner {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo .t-accent {
  color: var(--accent-bright);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-ghost {
  color: var(--text-muted);
  background: transparent;
}

.btn-ghost:hover { color: var(--text); background: var(--border); }

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.5), 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  background: var(--accent-bright);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.6), 0 4px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.btn-lg {
  padding: 12px 28px;
  font-size: 1rem;
  border-radius: var(--radius);
}

/* ============================================
   HERO
   ============================================ */
#hero {
  padding-top: 160px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

/* Noise/grid background */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(99, 102, 241, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 60%, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 80%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 840px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-bright);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  line-height: 1.05;
}

.hero-title .humant-brand { color: var(--text); }
.hero-title .humant-brand .t-accent { color: var(--accent-bright); }

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

/* Hero code snippet */
.hero-code-wrap {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  text-align: left;
  box-shadow: var(--shadow);
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.code-dots .dot-red { background: #ff5f57; }
.code-dots .dot-yellow { background: #ffbd2e; }
.code-dots .dot-green { background: #28c840; }

.code-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.code-copy {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--font-sans);
}

.code-copy:hover { color: var(--text); border-color: var(--border-accent); }
.code-copy.copied { color: var(--green); border-color: var(--green); }

.code-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  overflow-x: auto;
}

/* Syntax tokens */
.t-cmd    { color: #94a3b8; }
.t-url    { color: #60a5fa; }
.t-key    { color: var(--accent-bright); }
.t-str    { color: #86efac; }
.t-num    { color: #fca5a5; }
.t-comment{ color: var(--text-dim); font-style: italic; }
.t-brace  { color: #e2e8f0; }
.t-flag   { color: #c084fc; }

/* ============================================
   HOW IT WORKS
   ============================================ */
#how {
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-bright);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 64px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  position: relative;
}

/* Connector line */
.steps::after {
  content: '';
  position: absolute;
  top: 52px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent), var(--accent-dim));
  opacity: 0.3;
  pointer-events: none;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: all 0.3s ease;
}

.step:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--accent-bright);
  font-family: var(--font-mono);
  margin-bottom: 20px;
}

.step-verb {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-detail {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--green);
  font-family: var(--font-mono);
}

.step-tag.blue {
  background: rgba(96, 165, 250, 0.1);
  border-color: rgba(96, 165, 250, 0.2);
  color: #60a5fa;
}

.step-tag.purple {
  background: var(--accent-glow);
  border-color: var(--border-accent);
  color: var(--accent-bright);
}

/* ============================================
   FEATURES
   ============================================ */
#features {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature {
  background: var(--bg-card);
  padding: 32px;
  transition: background 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0 0, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature:hover::before { opacity: 1; }
.feature:hover { background: var(--bg-card-hover); }

.feature-icon {
  font-size: 1.625rem;
  margin-bottom: 16px;
  display: block;
  filter: grayscale(0.2);
}

.feature-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   CODE EXAMPLE
   ============================================ */
#code-example {
  position: relative;
}

.code-example-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.code-pane-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  font-family: var(--font-mono);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  font-family: var(--font-mono);
  margin-top: 12px;
}

.status-pill .dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
}

/* ============================================
   PRICING
   ============================================ */
#pricing {
  background: var(--bg-subtle);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.pricing-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-accent);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow-strong), transparent 70%);
  pointer-events: none;
}

.pricing-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--yellow);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.pricing-price sup {
  font-size: 1.5rem;
  vertical-align: top;
  margin-top: 8px;
  color: var(--text-muted);
}

.pricing-per {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin: 0 0 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.pricing-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
  width: 18px;
}

.pricing-note {
  font-size: 0.8125rem;
  color: var(--text-dim);
  margin-top: 20px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
}

.footer-logo .t-accent { color: var(--accent-bright); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
  flex-wrap: wrap;
}

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

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

.footer-right {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-align: right;
}

.footer-right .city {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
  justify-content: flex-end;
}

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

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  section { padding: 64px 0; }

  .nav-links { display: none; }

  .hero-ctas { gap: 10px; }
  .btn-lg { padding: 10px 20px; font-size: 0.9375rem; }

  .steps {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .steps::after { display: none; }

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

  .code-example-layout {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-right { text-align: left; }
  .footer-right .city { justify-content: flex-start; }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   MARQUEE / TRUST STRIP  (optional)
   ============================================ */
.trust-strip {
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-subtle);
}

.marquee-inner {
  display: flex;
  gap: 48px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.marquee-inner:hover { animation-play-state: paused; }

.marquee-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-dim);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.marquee-item .dot {
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}