/* ========== Header ========== */
.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--canvas) 85%, transparent);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.03em;
}
.logo-mark {
  display: inline-block;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--indigo), var(--teal));
  border-radius: 7px;
  position: relative;
  box-shadow: 0 2px 8px rgba(13,148,136,.25);
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  border: 2px solid white;
  border-top: 0;
  border-left: 0;
  border-radius: 2px;
  transform: rotate(-45deg);
}
nav.primary a {
  color: var(--ink-2);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
}
nav.primary a:hover { color: var(--ink); }

/* ========== Hero ========== */
.hero {
  padding: 96px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px circle at 20% 20%, rgba(99,102,241,.08), transparent 50%),
    radial-gradient(600px circle at 80% 40%, rgba(13,148,136,.10), transparent 60%);
  pointer-events: none;
  z-index: -1;
}
.hero .kicker { margin-bottom: 18px; }
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  line-height: 1.05;
  max-width: 860px;
  margin: 0 auto 20px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--indigo) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .sub {
  font-size: 19px;
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.55;
}
.hero .cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.hero .proof {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
  color: var(--ink-3);
  font-size: 13px;
}
.hero .proof strong { color: var(--ink-2); font-weight: 600; }

/* ========== Hero visual (product mock) ========== */
.hero-mock {
  margin: 64px auto 0;
  max-width: 1000px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}
.hero-mock .titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--canvas-2);
  font-size: 12px;
  color: var(--ink-3);
}
.hero-mock .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.hero-mock .dot-red { background: #F87171; }
.hero-mock .dot-yellow { background: #FBBF24; }
.hero-mock .dot-green { background: #34D399; }
.hero-mock .body {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 400px;
}
.hero-mock .files {
  padding: 18px 16px;
  border-right: 1px solid var(--border);
  font-size: 13px;
  background: var(--canvas-2);
}
.hero-mock .files .label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 12px; }
.hero-mock .files ul { list-style: none; margin: 0; padding: 0; }
.hero-mock .files li { padding: 4px 0; color: var(--ink-2); font-family: var(--font-mono); }
.hero-mock .files li.active { color: var(--teal-ink); background: var(--teal-bg); padding: 4px 8px; border-radius: 4px; margin: 0 -8px; }
.hero-mock .timeline {
  padding: 22px 26px;
}
.hero-mock .task-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.hero-mock .task-header h4 { font-size: 16px; }
.hero-mock .scrubber {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-3);
  font-family: var(--font-mono);
}
.hero-mock .scrubber .track {
  width: 120px;
  height: 4px;
  background: var(--border-strong);
  border-radius: 2px;
  position: relative;
}
.hero-mock .scrubber .track::before {
  content: '';
  position: absolute;
  inset: 0;
  width: 65%;
  background: var(--teal);
  border-radius: 2px;
}
.hero-mock .scrubber .track::after {
  content: '';
  position: absolute;
  left: 65%;
  top: -3px;
  width: 10px;
  height: 10px;
  background: var(--teal);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(13,148,136,.2);
}
.step { display: grid; grid-template-columns: 54px 1fr; gap: 12px; padding: 9px 0; }
.step .time { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); padding-top: 3px; }
.step .bubble {
  padding: 10px 14px;
  border-radius: var(--r);
  background: var(--canvas-2);
  border-left: 3px solid var(--indigo);
  font-size: 14px;
}
.step.active .bubble { border-left-color: var(--teal); background: var(--teal-bg); color: var(--teal-ink); }
.step .bubble code { font-size: 12px; color: var(--indigo-ink); background: rgba(99,102,241,.1); padding: 1px 6px; border-radius: 3px; }
.step.active .bubble code { color: var(--teal-ink); background: rgba(13,148,136,.12); }

/* ========== Sections ========== */
section.section {
  padding: 88px 0;
}
section.alt { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin: 0 auto 56px; text-align: center; }
.section-head .kicker { margin-bottom: 12px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { color: var(--ink-2); font-size: 17px; }

/* Three-views grid */
.views {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 24px;
}
.view-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 26px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.view-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.view-card .n {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--teal-ink);
  background: var(--teal-bg);
  border-radius: 8px;
  margin-bottom: 18px;
}
.view-card h3 { margin-bottom: 8px; }
.view-card p { color: var(--ink-2); font-size: 15px; margin-bottom: 18px; }
.view-card .illustration {
  height: 120px;
  background: linear-gradient(180deg, var(--canvas-2), var(--card));
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.tier {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.tier.featured {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px var(--teal-bg);
  position: relative;
}
.tier.featured::before {
  content: 'RECOMMENDED';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: white;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border-radius: 999px;
}
.tier .name { font-weight: 600; margin-bottom: 8px; }
.tier .price { font-size: 36px; font-weight: 700; letter-spacing: -0.02em; }
.tier .price .per { font-size: 14px; color: var(--ink-3); font-weight: 400; }
.tier .desc { color: var(--ink-2); font-size: 14px; margin: 8px 0 20px; }
.tier ul { list-style: none; padding: 0; margin: 0 0 22px; font-size: 14px; color: var(--ink-2); }
.tier ul li { padding: 6px 0; padding-left: 22px; position: relative; }
.tier ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 12px; height: 6px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}
.tier .btn { margin-top: auto; }

/* Quote block */
.quote {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}
.quote blockquote {
  font-size: 24px;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}
.quote cite { font-style: normal; color: var(--ink-3); font-size: 14px; }

/* ========== FAQ ========== */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.faq-item:last-child { border-bottom: 0; }
.faq-item summary {
  font-size: 17px;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  padding-right: 30px;
  position: relative;
}
.faq-item summary::marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  font-size: 22px;
  color: var(--ink-3);
  transition: transform .15s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); color: var(--teal); }
.faq-item p { margin-top: 10px; color: var(--ink-2); font-size: 15px; }

/* ========== Footer ========== */
footer.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  color: var(--ink-3);
  font-size: 14px;
}
footer.site-footer .flex { justify-content: space-between; }
footer.site-footer nav a { color: var(--ink-2); margin-left: 20px; }

/* ========== Responsive ========== */
@media (max-width: 700px) {
  .hero { padding: 60px 0 40px; }
  .hero-mock .body { grid-template-columns: 1fr; }
  .hero-mock .files { border-right: 0; border-bottom: 1px solid var(--border); }
  section.section { padding: 56px 0; }
  nav.primary { display: none; }
}