/* ============================================================
   Tranyond.com — shared design system
   Dark industrial theme · blue #2E6BE6 × cyan #3FC1F0 gradient
   Space Grotesk (display) · IBM Plex Sans (body) · IBM Plex Mono (labels)
   ============================================================ */

:root {
  --bg0: #0A0D12;
  --bg1: #0E1219;
  --bg2: #131924;
  --page: #07090D;
  --line: rgba(255, 255, 255, 0.09);
  --line2: rgba(255, 255, 255, 0.16);
  --txt: #F2F5F9;
  --txt2: #9AA5B5;
  --txt3: #7A8698;
  --paper: #EFF1F5;
  --paper2: #FFFFFF;
  --ink: #10151D;
  --ink2: #4C5560;
  --inkline: rgba(16, 21, 29, 0.12);
  --cyan: #3FC1F0;
  --accent: #2E6BE6;
  --accent-soft: rgba(46, 107, 230, 0.22);
  --link: #6FA8FF;
  --link-hover: #9CC4FF;
  --font-display: "Space Grotesk", "Noto Sans SC", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Noto Sans SC", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  font-family: var(--font-body);
  color: var(--txt);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection { background: rgba(46, 107, 230, 0.45); color: #FFFFFF; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: #FFFFFF;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 0 6px 0;
}
.skip-link:focus { left: 0; color: #FFFFFF; }

/* ---------- layout primitives ---------- */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.h2 {
  font-size: 38px;
  line-height: 1.16;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.body-lg {
  font-size: 17px;
  line-height: 1.65;
  color: var(--txt2);
}

.grid-bg {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* kicker: small mono label with a leading rule */
.kicker {
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 12px;
}
.kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--accent);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 26px;
  border-radius: 4px;
  border: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #FFFFFF; }
.btn-primary:hover { background: #4079EE; color: #FFFFFF; }
.btn-ghost { border: 1px solid var(--line2); color: var(--txt); background: transparent; }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.32); color: #FFFFFF; }
.btn-sm { height: 44px; padding: 0 20px; font-size: 14px; }

/* arrow link */
.arrow-link {
  font-size: 14.5px;
  font-weight: 600;
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  margin: -12px 0;
  align-self: flex-start;
}
.arrow-link:hover { color: var(--link-hover); }
.arrow-link svg { flex: none; transition: transform 0.15s ease; }
.arrow-link:hover svg { transform: translateX(3px); }

/* ---------- announcement bar ---------- */

.announce {
  background: #05070A;
  border-bottom: 1px solid var(--line);
  min-height: 42px;
  display: flex;
  align-items: center;
}
.announce .wrap {
  display: flex;
  justify-content: center;
  gap: 56px;
  width: 100%;
  padding-top: 6px;
  padding-bottom: 6px;
}
.announce span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--txt3);
  white-space: nowrap;
}

/* ---------- header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 13, 18, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.site-header .wrap {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}
.brand:hover { color: #FFFFFF; }
.brand .brand-t {
  background: linear-gradient(125deg, var(--cyan), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-nav { display: flex; align-items: center; gap: 32px; }
.navlink {
  color: #C8D0DC;
  font-size: 14.5px;
  font-weight: 500;
  padding: 6px 0;
}
.navlink:hover { color: #FFFFFF; }
.navlink[aria-current="page"],
.navlink.active {
  color: #FFFFFF;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
}

.nav-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  margin-right: -10px;
  color: #C8D0DC;
}
.nav-toggle:hover { color: #FFFFFF; }

/* ---------- breadcrumb ---------- */

.breadcrumb { border-bottom: 1px solid var(--line); }
.breadcrumb ol {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}
.breadcrumb li { display: flex; align-items: center; gap: 10px; }
.breadcrumb li + li::before { content: "/"; color: var(--txt3); }
.breadcrumb a { color: var(--txt3); }
.breadcrumb a:hover { color: #C8D0DC; }
.breadcrumb [aria-current="page"] { color: #C8D0DC; }

/* ---------- hero ---------- */

.hero {
  border-bottom: 1px solid var(--line);
  background-color: var(--bg0);
  position: relative;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -220px;
  right: -120px;
  width: 780px;
  height: 640px;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 72%);
  pointer-events: none;
}
.hero .wrap {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 500px;
  gap: 64px;
  align-items: center;
  padding-top: 92px;
  padding-bottom: 92px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
}
.hero-copy h1 {
  font-size: 60px;
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #FFFFFF;
}
.hero-copy .lede { max-width: 540px; }
.hero-ctas { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }

.stat-row {
  display: flex;
  gap: 48px;
  margin-top: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  align-self: stretch;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: #FFFFFF;
}
.stat-label { font-size: 13px; color: var(--txt3); margin-top: 2px; }

/* ---------- sections ---------- */

.section { padding-top: 96px; padding-bottom: 96px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}
.section-head .lead-col { display: flex; flex-direction: column; gap: 14px; }
.section-head .aside-note { max-width: 380px; font-size: 15.5px; }

/* dark band variants */
.band-dark0 { background: var(--bg0); }
.band-dark1 { background: var(--bg1); border-bottom: 1px solid var(--line); }
.band-bordered { border-bottom: 1px solid var(--line); }

/* light band */
.band-paper { background: var(--paper); color: var(--ink); }
.band-paper .h2 { color: var(--ink); }
.band-paper a { color: var(--ink); }

/* ---------- pillar cards ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 56px;
}
.pillar {
  padding: 30px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color 0.15s ease;
}
.pillar:hover { border-color: rgba(255, 255, 255, 0.22); }
.pillar-top { display: flex; justify-content: space-between; align-items: center; }
.pillar-top .mono { color: var(--accent); }
.pillar h3 { font-size: 21px; font-weight: 600; color: #FFFFFF; }
.pillar p { font-size: 15px; line-height: 1.6; color: var(--txt2); }
.pillar .domain {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--txt3);
}
.pillar .arrow-link { margin-top: auto; margin-bottom: -12px; }

/* ---------- category cards (light band) ---------- */

.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-top: 52px;
}
.cat-card {
  background: var(--paper2);
  border: 1px solid var(--inkline);
  border-radius: 6px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  color: var(--ink);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}
a.cat-card:hover {
  color: var(--ink);
  box-shadow: 0 10px 30px rgba(16, 21, 29, 0.12);
  transform: translateY(-2px);
}
.cat-card h3 { font-size: 17px; font-weight: 600; color: var(--ink); }
.cat-card p { font-size: 14px; line-height: 1.55; color: var(--ink2); }
.cat-card svg { color: var(--ink); }

.assurance-row {
  display: flex;
  gap: 40px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--inkline);
  flex-wrap: wrap;
}
.assurance {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink2);
}
.assurance svg { flex: none; }

/* ---------- guide teaser cards ---------- */

.guide-list { display: flex; flex-direction: column; gap: 16px; }
.guide-row {
  padding: 24px 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  transition: border-color 0.15s ease;
}
.guide-row:hover { border-color: rgba(255, 255, 255, 0.22); }
.guide-row .meta { display: flex; gap: 10px; align-items: center; }
.guide-row .meta .mono { color: var(--accent); font-size: 11px; }
.guide-row .meta .read-time { font-size: 12.5px; color: var(--txt3); }
.guide-row h3 { font-size: 18px; font-weight: 600; color: #FFFFFF; line-height: 1.35; margin-top: 8px; }
.guide-row p { font-size: 14px; line-height: 1.55; color: var(--txt2); margin-top: 8px; }
.guide-row > svg { color: var(--txt2); }

/* article cards (guide hub grid) */
.acard-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 36px;
}
.acard {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 26px 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.15s ease;
}
.acard:hover { border-color: rgba(255, 255, 255, 0.22); }
.acard .meta { display: flex; gap: 10px; align-items: center; }
.acard .meta .mono { color: var(--accent); font-size: 11px; }
.acard .meta .read-time { font-size: 12.5px; color: var(--txt3); }
.acard h3 { font-size: 18.5px; font-weight: 600; color: #FFFFFF; line-height: 1.35; }
.acard p { font-size: 14px; line-height: 1.6; color: var(--txt2); }
.acard .arrow-link { margin-top: auto; margin-bottom: -12px; font-size: 14px; }

/* topic chips */
.chip-row { display: flex; gap: 12px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 20px;
  border-radius: 22px;
  border: 1px solid var(--line2);
  font-size: 13.5px;
  font-weight: 500;
  color: #C8D0DC;
}
a.chip:hover { border-color: rgba(255, 255, 255, 0.32); color: #FFFFFF; }
.chip.chip-active { background: var(--accent); border-color: var(--accent); color: #FFFFFF; }

/* stats block (2-col bordered) */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.stat-cell { background: var(--bg1); padding: 18px 20px; }
.stat-cell .stat-num { font-size: 26px; }
.stat-cell .stat-label { font-size: 13px; }

/* ---------- phone mockup ---------- */

.phone-scene { position: relative; }
.phone-glow {
  position: absolute;
  top: 40px;
  left: -60px;
  width: 520px;
  height: 420px;
  background: radial-gradient(closest-side, rgba(63, 193, 240, 0.14), transparent 70%);
  pointer-events: none;
}
.phone {
  position: relative;
  width: 320px;
  margin: 0 auto;
  background: #05070A;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom: none;
  border-radius: 40px 40px 0 0;
  padding: 12px 12px 0;
}
.phone-screen {
  background: #0C1017;
  border: 1px solid var(--line);
  border-bottom: none;
  border-radius: 30px 30px 0 0;
  overflow: hidden;
}
.phone-statusbar { height: 44px; }
.phone-titlebar {
  padding: 6px 20px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.phone-titlebar .app-title {
  font-size: 19px;
  font-weight: 600;
  color: #FFFFFF;
  font-family: var(--font-display);
}
.phone-titlebar .mono { color: var(--txt3); font-size: 10px; }
.phone-panel {
  margin: 0 16px 14px;
  background: #10151E;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}
.phone-panel .kv {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
}
.phone-panel .kv + .kv { margin-top: 12px; }
.phone-panel .kv .k { color: var(--txt2); }
.phone-panel .kv .v { color: #FFFFFF; font-weight: 500; }
.phone-result {
  margin: 0 16px 14px;
  background: linear-gradient(135deg, rgba(63, 193, 240, 0.16), rgba(46, 107, 230, 0.16));
  border: 1px solid rgba(63, 193, 240, 0.35);
  border-radius: 10px;
  padding: 16px 18px;
}
.phone-result .mono { color: var(--cyan); font-size: 10px; margin-bottom: 8px; }
.phone-result .big {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: #FFFFFF;
}
.phone-result .big small { font-size: 15px; color: var(--txt2); font-weight: 500; }
.phone-result .sub { font-size: 12.5px; color: var(--txt2); margin-top: 6px; }
.phone-shortcuts {
  margin: 0 16px 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.phone-shortcut {
  background: #10151E;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.phone-shortcut .cap { font-size: 12px; color: var(--txt3); }
.phone-shortcut .val { font-size: 13.5px; color: #E6EBF2; margin-top: 4px; font-weight: 500; }
.phone-tabbar {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 10px 6px 22px;
}
.phone-tabbar span { text-align: center; font-size: 11px; color: var(--txt3); }
.phone-tabbar .tab-active { color: var(--accent); font-weight: 600; }

/* app chips + table rows inside phone */
.phone-chips { margin: 0 16px 12px; display: flex; gap: 8px; }
.phone-chip {
  background: #10151E;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12.5px;
  color: var(--txt2);
}
.phone-chip.on {
  background: rgba(46, 107, 230, 0.2);
  border-color: rgba(46, 107, 230, 0.5);
  color: #FFFFFF;
  font-weight: 500;
}
.phone-table {
  margin: 0 16px 12px;
  background: #10151E;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.phone-table .tr {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: #E6EBF2;
}
.phone-table .tr:last-child { border-bottom: none; }
.phone-table .tr.th { font-size: 11px; color: var(--txt3); }
.phone-table .tr.hl { background: rgba(46, 107, 230, 0.12); color: #FFFFFF; }
.phone-consult {
  margin: 0 16px 16px;
  background: linear-gradient(135deg, rgba(63, 193, 240, 0.16), rgba(46, 107, 230, 0.16));
  border: 1px solid rgba(63, 193, 240, 0.35);
  border-radius: 10px;
  padding: 13px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.phone-consult .q { font-size: 13px; color: #E6EBF2; }
.phone-consult .go { font-size: 12.5px; color: var(--cyan); font-weight: 600; white-space: nowrap; }

/* ---------- feature ticks ---------- */

.tick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 32px;
  max-width: 560px;
  margin-top: 4px;
}
.tick-item { display: flex; gap: 12px; align-items: flex-start; }
.tick-item svg { flex: none; margin-top: 5px; }
.tick-item span { font-size: 15px; line-height: 1.5; color: #D5DCE6; }

/* ---------- App Store badge ---------- */

.appstore-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  padding: 9px 18px 9px 14px;
  color: #FFFFFF;
}
.appstore-badge:hover { border-color: rgba(255, 255, 255, 0.5); color: #FFFFFF; }
.appstore-badge .lines { display: flex; flex-direction: column; line-height: 1.15; }
.appstore-badge .small { font-size: 10.5px; color: #C8D0DC; }
.appstore-badge .big { font-size: 17px; font-weight: 600; color: #FFFFFF; }

/* ---------- FAQ ---------- */

.faq-grid {
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 72px;
}
.faq-intro { display: flex; flex-direction: column; gap: 16px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-size: 17px; font-weight: 600; color: #E2E8F0; }
.faq-item[open] summary h3 { color: #FFFFFF; }
.faq-item summary .faq-icon { flex: none; color: var(--txt3); }
.faq-item[open] summary .faq-icon { color: var(--accent); }
.faq-item .faq-icon .v-bar { transition: opacity 0.15s ease; }
.faq-item[open] .faq-icon .v-bar { opacity: 0; }
.faq-item .faq-a {
  font-size: 15px;
  line-height: 1.65;
  color: var(--txt2);
  padding: 0 4px 22px;
  max-width: 620px;
}

/* ---------- pricing ---------- */

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.price-card {
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.price-card.featured { border-color: rgba(63, 193, 240, 0.5); }
.price-card .plan-badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: linear-gradient(120deg, var(--cyan), var(--accent));
  border-radius: 3px;
  padding: 4px 12px;
  font-size: 11.5px;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.06em;
}
.price-card .plan-name { color: var(--txt3); }
.price-card.featured .plan-name { color: var(--cyan); }
.price-line { display: flex; align-items: baseline; gap: 6px; }
.price-line .amount {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  color: #FFFFFF;
}
.price-line .term { font-size: 14px; color: var(--txt3); }
.price-card p { font-size: 14.5px; line-height: 1.6; color: var(--txt2); }
.price-card .btn { margin-top: auto; }

/* ---------- CTA band ---------- */

.cta-band {
  background:
    linear-gradient(120deg, rgba(63, 193, 240, 0.12), rgba(46, 107, 230, 0.16)),
    var(--bg1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-band .wrap {
  padding-top: 72px;
  padding-bottom: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
}
.cta-band h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #FFFFFF;
}
.cta-band .cta-sub { font-size: 16px; color: var(--txt2); margin-top: 10px; }
.cta-band .cta-actions { display: flex; gap: 14px; flex: none; }

/* ---------- footer ---------- */

.site-footer { background: #05070A; border-top: 1px solid var(--line); }
.site-footer .wrap { padding-top: 72px; padding-bottom: 40px; }
.foot-grid {
  display: grid;
  grid-template-columns: 340px repeat(4, minmax(0, 1fr));
  gap: 48px;
}
.foot-brand { display: flex; flex-direction: column; gap: 16px; }
.foot-brand .brand { font-size: 24px; }
.foot-brand p { font-size: 14px; line-height: 1.65; color: #8B95A5; }
.foot-brand .domains {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--txt3);
}
.footcol .mono { color: var(--txt3); margin-bottom: 14px; }
.footcol a {
  display: block;
  color: #8B95A5;
  font-size: 14px;
  line-height: 2.1;
}
.footcol a:hover { color: #D6DEE9; }
.foot-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  gap: 20px;
  flex-wrap: wrap;
}
.foot-bottom .copyright { font-size: 13px; color: #77828F; }
.foot-meta { display: flex; gap: 18px; align-items: center; font-size: 13px; }
.foot-meta a { color: #77828F; }
.foot-meta a:hover { color: #C8D0DC; }
.foot-meta .lang-active { color: #C8D0DC; font-weight: 500; }

/* ---------- page hero (subpages) ---------- */

.page-hero {
  background-color: var(--bg0);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-hero h1 {
  font-size: 46px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

/* two-column split sections */
.split {
  display: grid;
  grid-template-columns: 440px minmax(0, 1fr);
  gap: 72px;
}
.split-copy { display: flex; flex-direction: column; gap: 22px; }

/* app showcase split (homepage): phone column + copy column */
.app-split {
  padding-top: 96px;
  display: grid;
  grid-template-columns: 400px minmax(0, 1fr);
  gap: 88px;
  align-items: end;
}

/* ---------- article (guide/blog post) ---------- */

.article-head { max-width: 760px; }
.article-body {
  max-width: 760px;
  font-size: 16.5px;
  line-height: 1.75;
  color: #C9D2DE;
}
.article-body h2 {
  font-size: 28px;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  margin: 48px 0 18px;
}
.article-body h3 { font-size: 20px; color: #FFFFFF; margin: 36px 0 14px; }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol {
  margin: 0 0 18px;
  padding-left: 24px;
  list-style: disc;
}
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: #FFFFFF; }
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14.5px;
}
.article-body th, .article-body td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}
.article-body th {
  background: var(--bg2);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.article-body td { color: var(--txt2); }
.article-body .formula {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  padding: 18px 22px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: #E6EBF2;
  margin: 24px 0;
  overflow-x: auto;
}
.article-body .callout {
  background: rgba(46, 107, 230, 0.08);
  border: 1px solid rgba(46, 107, 230, 0.3);
  border-radius: 6px;
  padding: 20px 24px;
  margin: 24px 0;
  font-size: 15px;
}
.table-scroll { overflow-x: auto; }

/* FAQ blocks nested in articles must not inherit article typography margins */
.article-body .faq-item summary h3 { margin: 0; }
.article-body .faq-a { margin: 0; }

/* key-takeaways box (GEO: citable summary) */
.takeaways {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px 28px;
  margin: 32px 0;
}
.takeaways .mono { color: var(--accent); margin-bottom: 14px; }
.takeaways ul { padding-left: 20px; list-style: disc; margin: 0; }
.takeaways li { margin-bottom: 8px; font-size: 15px; line-height: 1.6; color: #C9D2DE; }

/* ---------- misc ---------- */

.searchbox {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg2);
  border: 1px solid var(--line2);
  border-radius: 4px;
  height: 52px;
  padding: 0 18px;
  max-width: 520px;
}
.searchbox input {
  background: transparent;
  border: 0;
  outline: none;
  color: var(--txt);
  font-family: var(--font-body);
  font-size: 15px;
  width: 100%;
}
.searchbox input::placeholder { color: var(--txt3); }

.spec-row {
  display: flex;
  gap: 40px;
  margin-top: 22px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.spec-item .mono { color: var(--txt3); font-size: 11px; }
.spec-item .val { font-size: 15px; color: #E6EBF2; font-weight: 500; margin-top: 4px; }

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1080px) {
  .hero .wrap { grid-template-columns: minmax(0, 1fr) 400px; gap: 40px; }
  .hero-copy h1 { font-size: 48px; }
  .split { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .app-split { grid-template-columns: minmax(0, 1fr); gap: 48px; padding-top: 56px; }
  .app-split .phone-scene { order: 2; }
  .faq-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .pillars { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .acard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .price-grid { grid-template-columns: minmax(0, 1fr); max-width: 480px; }
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(7, 9, 13, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .site-nav.open { display: flex; }
  .site-nav .navlink {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 16px;
  }
  .site-nav .navlink[aria-current="page"],
  .site-nav .navlink.active {
    border-bottom: 1px solid var(--line);
    color: var(--cyan);
  }
  .nav-toggle { display: flex; }
  .nav-actions .btn-quote { display: none; }

  .hero .wrap {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 48px;
    padding-bottom: 44px;
    gap: 44px;
  }
  .hero-copy h1 { font-size: 36px; line-height: 1.12; }
  .hero-copy .lede { font-size: 15.5px; }
  .hero-ctas { flex-direction: column; align-self: stretch; }
  .hero-ctas .btn { width: 100%; }
  .stat-row { gap: 0; justify-content: space-between; }
  .stat-num { font-size: 22px; }
  .stat-label { font-size: 11.5px; }
  .hero-art { max-width: 420px; margin: 0 auto; }

  .announce .wrap { gap: 20px; overflow: hidden; }
  .announce span:nth-child(n+3) { display: none; }

  .section { padding-top: 56px; padding-bottom: 56px; }
  .h2 { font-size: 27px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 18px; }
  .pillars, .cat-grid, .acard-grid, .guide-list { margin-top: 32px; }

  .page-hero h1 { font-size: 32px; }
  .hero-copy h1.app-h1 { font-size: 34px; }

  .cta-band .wrap {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 48px;
    padding-bottom: 48px;
    gap: 28px;
  }
  .cta-band .cta-actions { flex-direction: column; align-self: stretch; }
  .cta-band .cta-actions .btn { width: 100%; }
  .cta-band h2 { font-size: 26px; }

  .phone-scene { padding-top: 0; }
  .phone { width: 300px; }
  .phone-glow { left: -40px; width: 400px; }

  .tick-grid { grid-template-columns: minmax(0, 1fr); }

  .foot-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .site-footer .wrap { padding-top: 48px; }
  .foot-bottom { margin-top: 40px; }

  .stat-grid.four { grid-template-columns: 1fr 1fr; }
  .chip { height: 40px; padding: 0 16px; font-size: 13px; }

  .article-body { font-size: 15.5px; }
  .article-body h2 { font-size: 23px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .cat-card { padding: 18px 16px; }
  .cat-card h3 { font-size: 15px; }
  .cat-card p { font-size: 12.5px; }
  .cat-card svg { width: 32px; height: 32px; }
  .acard-grid { grid-template-columns: minmax(0, 1fr); }
  .guide-row { padding: 20px; }
  .guide-row > svg { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}