/* ============================================
   SmartOperator — Shared stylesheet for landing pages
   Tokens
   ============================================ */
:root {
  --navy: #14243F;
  --navy-soft: #1D3357;
  --teal: #0E7C74;
  --teal-light: #E4F3F1;
  --coral: #FF6B4A;
  --coral-dark: #E85535;
  --bg: #F7F8FA;
  --bg-alt: #FFFFFF;
  --text: #1C232E;
  --text-muted: #5B6472;
  --border: #E4E7EC;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-card: 0 2px 10px rgba(20, 36, 63, 0.06);
  --shadow-lift: 0 12px 32px rgba(20, 36, 63, 0.12);
  --max-w: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Sora', 'Inter', sans-serif;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; color: var(--text-muted); }

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 250, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  display: inline-block;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}

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

.header-cta {
  background: var(--navy);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}

.header-cta:hover { background: var(--navy-soft); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 18px 0 0;
}

.breadcrumb a { color: var(--teal); font-weight: 500; }
.breadcrumb span { margin: 0 6px; }

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-light);
  color: var(--teal);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  margin-bottom: 20px;
}

.hero .lede {
  font-size: 1.1rem;
  max-width: 46ch;
  margin-bottom: 28px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
}

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

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--border);
}
.btn-secondary:hover { border-color: var(--navy); }

/* Call-flow signature graphic */
.flow-diagram {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
}

.flow-diagram .flow-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 20px;
}

.flow-step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  position: relative;
}

.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 44px;
  width: 2px;
  height: 22px;
  background: var(--border);
}

.flow-node {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--teal-light);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.flow-step.is-final .flow-node {
  background: var(--coral);
  color: #fff;
}

.flow-label strong {
  display: block;
  color: var(--navy);
  font-size: 0.95rem;
}

.flow-label span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Stat strip ---------- */
.stat-strip {
  background: var(--navy);
  color: #fff;
  padding: 32px 0;
}

.stat-strip .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.stat {
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.stat strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 1.8rem;
  color: #fff;
}

.stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
}

/* ---------- Section ---------- */
.section {
  padding: 72px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

/* ---------- Feature grid ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--teal-light);
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.feature-card p { font-size: 0.92rem; margin: 0; }

/* ---------- Use case list ---------- */
.use-case-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.use-case {
  display: flex;
  gap: 16px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
}

.use-case .tag {
  flex-shrink: 0;
  background: var(--navy);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  height: fit-content;
  white-space: nowrap;
}

.use-case p { margin: 0; font-size: 0.92rem; }

/* ---------- Comparison / how it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  position: relative;
  padding: 24px 20px;
}

.step-num {
  font-family: 'Sora', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--coral);
  margin-bottom: 8px;
}

.step-card h3 { font-size: 1rem; }
.step-card p { font-size: 0.9rem; margin: 0; }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--teal);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item[open] summary::after { content: '−'; }

.faq-item p {
  margin-top: 12px;
  font-size: 0.94rem;
}

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-soft) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
}

.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.75); max-width: 50ch; margin-left: auto; margin-right: auto; }

/* ---------- Related links ---------- */
.related-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.related-links a {
  border: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.related-links a:hover { border-color: var(--teal); color: var(--teal); }

/* ---------- Footer ---------- */
.site-footer {
  background: #0F1C30;
  color: rgba(255,255,255,0.65);
  padding: 48px 0 24px;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .use-case-list { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 540px) {
  .feature-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stat-strip .container { justify-content: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
}