:root {
  --bg: #f8fafc;
  --bg-alt: #eef2ff;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --accent: #059669;
  --done: #dcfce7;
  --done-border: #86efac;
  --radius: 12px;
  --shadow: 0 4px 24px rgb(15 23 42 / 8%);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 92%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

.nav {
  display: none;
  gap: 1.25rem;
  margin-left: auto;
}

.nav a {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
}

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

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.header-inner .btn-sm {
  margin-left: auto;
}

@media (min-width: 768px) {
  .header-inner .btn-sm {
    margin-left: 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition:
    background 0.15s,
    transform 0.15s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: #fff;
}

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

.btn-lg {
  padding: 0.85rem 1.75rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

/* Hero */
.hero {
  padding: 3.5rem 0 2rem;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 70%);
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: rgb(79 70 229 / 12%);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.65rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.demo-hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.demo-hint code {
  padding: 0.15rem 0.4rem;
  border-radius: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.8rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

@media (min-width: 640px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  text-align: center;
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary);
}

.stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 2.5rem;
  color: var(--muted);
  max-width: 60ch;
}

/* Feature grid */
.feature-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card.done {
  border-color: var(--done-border);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.feature-card p {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.feature-card ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.85rem;
  color: var(--text);
}

.feature-card li {
  margin-bottom: 0.25rem;
}

/* Browser mockups */
.browser-frame {
  background: var(--surface);
  border-radius: 14px;
  box-shadow:
    var(--shadow),
    0 0 0 1px var(--border);
  overflow: hidden;
}

.browser-frame.small {
  border-radius: 10px;
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--border);
}

.browser-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}

.browser-bar span:nth-child(1) {
  background: #fca5a5;
}
.browser-bar span:nth-child(2) {
  background: #fde047;
}
.browser-bar span:nth-child(3) {
  background: #86efac;
}

.browser-url {
  flex: 1;
  margin-left: 8px;
  padding: 4px 10px;
  border-radius: 6px;
  background: #fff;
  font-size: 0.7rem;
  color: var(--muted);
  text-align: center;
}

.mock-pipeline {
  display: flex;
  gap: 8px;
  padding: 16px;
  min-height: 180px;
  background: #f8fafc;
}

.mock-pipeline.compact {
  min-height: 120px;
  padding: 12px;
}

.mock-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: #e2e8f0;
  border-radius: 8px;
  min-width: 0;
}

.mock-card {
  height: 36px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgb(0 0 0 / 5%);
}

.mock-card.short {
  height: 24px;
}

.mock-card.accent {
  border-color: var(--primary);
  background: linear-gradient(90deg, rgb(79 70 229 / 8%), #fff);
}

.mock-dash {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mock-stat-block {
  padding: 12px;
  background: #f1f5f9;
  border-radius: 8px;
}

.mock-stat-block span {
  display: block;
  height: 8px;
  width: 60%;
  background: #cbd5e1;
  border-radius: 4px;
  margin-bottom: 8px;
}

.mock-stat-block b {
  font-size: 1.25rem;
  color: var(--primary);
}

.mock-banner {
  grid-column: 1 / -1;
  padding: 14px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

.mock-search {
  padding: 14px;
}

.mock-input {
  height: 32px;
  border-radius: 8px;
  background: #f1f5f9;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.mock-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  margin-bottom: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.mock-result .score {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 36px;
}

.mock-result .lines i {
  display: block;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  margin-bottom: 4px;
}

.mock-result .lines i:last-child {
  width: 70%;
}

.mock-team {
  padding: 14px;
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.mock-row:last-child {
  border-bottom: none;
}

.mock-row .avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #818cf8, #4f46e5);
}

.mock-row i {
  flex: 1;
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
}

.mock-row em {
  font-size: 0.7rem;
  font-style: normal;
  color: var(--muted);
  text-transform: uppercase;
}

.screens-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .screens-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.screen figcaption {
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Planned */
.planned-grid {
  display: grid;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .planned-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .planned-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.planned-item {
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--muted);
}

/* CTA */
.cta {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  text-align: center;
}

.cta h2 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
}

.cta p {
  margin: 0 0 1.5rem;
  opacity: 0.9;
}

.cta .btn-primary {
  background: #fff;
  color: var(--primary);
}

.cta .btn-primary:hover {
  background: #f8fafc;
}

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

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-inner a {
  color: var(--muted);
}

.footer-inner a:hover {
  color: var(--primary);
}