/* ============================================================
   Neraya landing — "Technical Luxury"
   Палитра ТЗ: абисс #07111f, поверхность #0b1e33, электрик #00e5ff,
   песок #e8dcc8, текст #f5f7fa. Радиусы 4–8px, бордеры 8% белого,
   Instrument Serif (дисплей) + Inter (текст) + JetBrains Mono (данные).
   ============================================================ */

:root {
  --bg: #07111f;
  --surface: #0b1e33;
  --surface-2: #0e2540;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #00e5ff;
  --accent-soft: rgba(0, 229, 255, 0.1);
  --accent-line: rgba(0, 229, 255, 0.3);
  --sand: #e8dcc8;
  --sand-ink: #171307;
  --text: #f5f7fa;
  --muted: #8fa4b8;
  --faint: #5d7186;
  --ok: #34d399;
  --r: 8px;
  --r-sm: 6px;
  --r-xs: 4px;
  --maxw: 1200px;
  --font-display: "Instrument Serif", "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html, body { overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

::selection { background: rgba(0, 229, 255, 0.28); color: var(--text); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent-line);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* зернистость поверх всей страницы */
.noise {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0.038;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.wrap-narrow { max-width: 880px; }

h1, h2 { font-family: var(--font-display); font-weight: 400; line-height: 1.06; margin: 0 0 18px; letter-spacing: 0.005em; }
h2 { font-size: clamp(32px, 3.8vw, 46px); }
h3 { font-family: var(--font-sans); font-weight: 600; font-size: 17px; line-height: 1.35; margin: 0 0 10px; letter-spacing: -0.01em; }
p { margin: 0 0 12px; }
a { color: var(--accent); text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  touch-action: manipulation;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--sand);
  color: var(--sand-ink);
  border-color: rgba(232, 220, 200, 0.4);
}
.btn-primary:hover { background: #f3e9d7; box-shadow: 0 10px 32px rgba(232, 220, 200, 0.14); }
.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}
.btn-ghost:hover { border-color: var(--accent-line); background: rgba(0, 229, 255, 0.05); }
.btn-sm { padding: 9px 16px; font-size: 13.5px; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 17, 31, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 26px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand-name { font-family: var(--font-display); font-size: 23px; letter-spacing: 0.01em; }
.brand-mark { display: block; width: 28px; height: 28px; flex: none; border-radius: 5px; }

.nav-links { display: flex; gap: 26px; margin-right: auto; }
.nav-links a {
  color: var(--muted);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--text); }

.nav-side { display: flex; align-items: center; gap: 14px; margin-left: auto; }
/* Язык (set.lang): дропдаун с девятью локалями родными именами */
.lang { position: relative; }
.lang-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.04em;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  cursor: pointer;
  display: flex; align-items: center; gap: 7px;
}
.lang-btn:hover { color: var(--text); }
.lang-btn .chev { font-size: 9px; opacity: 0.7; }
.lang-menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 176px; padding: 6px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-sm); box-shadow: 0 12px 32px rgba(6, 12, 24, 0.18);
  display: none; z-index: 60;
}
.lang.open .lang-menu { display: block; }
.lang-item {
  appearance: none; border: 0; background: transparent;
  display: flex; align-items: baseline; gap: 8px; width: 100%;
  color: var(--text); font: 500 13px/1 var(--font-sans);
  padding: 9px 10px; border-radius: 6px; cursor: pointer; text-align: left;
}
.lang-item:hover { background: var(--accent-soft); }
.lang-item .code { margin-left: auto; font: 500 10px/1 var(--font-mono); color: var(--muted); letter-spacing: 0.06em; }
.lang-item.on { background: var(--accent-soft); color: var(--accent); }

/* ---------- hero ---------- */
.hero { position: relative; padding: 48px 0 72px; overflow: hidden; }
.hero-photo {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 76%;
  background: url("../assets/yacht-sport.jpg") 50% 62% / cover no-repeat;
  opacity: 0.97;
  filter: brightness(1.02) saturate(1.12);
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(7, 17, 31, 0) 42%, rgba(7, 17, 31, 0.92) 86%, var(--bg) 100%),
    radial-gradient(760px 560px at 25% 52%, rgba(7, 17, 31, 0.85), rgba(7, 17, 31, 0) 74%),
    linear-gradient(to right, rgba(7, 17, 31, 0.72), rgba(7, 17, 31, 0) 48%),
    linear-gradient(to left, rgba(7, 17, 31, 0.55), rgba(7, 17, 31, 0) 32%);
}
.hero-sonar {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.sonar { fill: none; stroke: rgba(0, 229, 255, 0.09); stroke-width: 1; }
.sonar-dim { stroke: rgba(143, 164, 184, 0.07); }
.sonar-dot { fill: rgba(0, 229, 255, 0.45); }

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.hero h1 { font-size: clamp(42px, 5.2vw, 66px); margin-bottom: 20px; text-shadow: 0 2px 28px rgba(7, 17, 31, 0.75); }
.lead { color: var(--muted); font-size: 17.5px; max-width: 34em; text-shadow: 0 1px 16px rgba(7, 17, 31, 0.9), 0 0 6px rgba(7, 17, 31, 0.55); }
.motto {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--sand);
  font-size: clamp(19px, 2vw, 22px);
  margin: 16px 0 28px;
  text-shadow: 0 1px 16px rgba(7, 17, 31, 0.9), 0 0 6px rgba(7, 17, 31, 0.55);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-actions.center { justify-content: center; }

.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.chips li {
  font: 500 12px/1 var(--font-mono);
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.62);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  padding: 7px 11px;
  border-radius: var(--r-xs);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.chips li:hover { border-color: var(--accent-line); color: var(--text); }

/* ---------- chat demo ---------- */
.chat {
  position: relative;
  background: rgba(11, 30, 51, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 229, 255, 0.04);
  overflow: hidden;
}
.chat-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.chat-who { display: flex; flex-direction: column; gap: 1px; margin-right: auto; min-width: 0; }
.chat-name { font-weight: 600; font-size: 14.5px; letter-spacing: -0.01em; }
.chat-sub { font: 400 11px/1.3 var(--font-mono); color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: var(--r-xs);
  padding: 5px 9px;
}
.chat-status i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: statusPulse 2.2s ease-out infinite;
}
@keyframes statusPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.5); }
  70%, 100% { box-shadow: 0 0 0 6px rgba(0, 229, 255, 0); }
}

.chat-body {
  height: 470px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.14) transparent;
}
.chat-body::-webkit-scrollbar { width: 6px; }
.chat-body::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 3px; }

.msg { display: flex; flex-direction: column; max-width: 88%; animation: msgIn 0.35s ease both; }
@keyframes msgIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.msg.owner { align-self: flex-end; align-items: flex-end; }
.msg.agent { align-self: flex-start; align-items: flex-start; }
.msg-meta {
  font: 500 9.5px/1 var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 6px;
}
.msg.agent .msg-meta { color: rgba(0, 229, 255, 0.65); }
.bubble {
  padding: 9px 13px;
  border-radius: var(--r);
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
}
.msg.owner .bubble {
  background: rgba(232, 220, 200, 0.07);
  border: 1px solid rgba(232, 220, 200, 0.16);
  color: #dde4ec;
  border-top-right-radius: 2px;
}
.msg.agent .bubble {
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-top-left-radius: 2px;
}
.srcs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.srcs span {
  font: 400 10.5px/1.3 var(--font-mono);
  color: var(--muted);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-xs);
  padding: 4px 8px;
}
.typing { display: inline-flex; gap: 4px; padding: 13px 15px; }
.typing i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--muted);
  animation: dot 1.1s ease-in-out infinite;
}
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes dot { 0%, 60%, 100% { opacity: 0.25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-2px); } }
.caret {
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: caret 0.9s steps(2) infinite;
}
@keyframes caret { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.chat-suggest {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 11px 12px;
  border-top: 1px solid var(--line);
}
.suggest-btn {
  appearance: none;
  font: 500 11.5px/1.3 var(--font-mono);
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  padding: 8px 11px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
}
.suggest-btn:hover { color: var(--text); border-color: var(--accent-line); }
.suggest-btn[disabled] { opacity: 0.4; pointer-events: none; }

.chat-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}
.chat-ph { flex: 1; font: 400 12.5px/1 var(--font-mono); color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-go {
  flex: none;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-xs);
  padding: 9px 12px;
  transition: background 0.15s ease;
}
.chat-go:hover { background: var(--accent-soft); }

/* ---------- data rail ---------- */
.rail { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.015); }
.rail-in { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px 22px; padding-top: 17px; padding-bottom: 17px; }
.rail-cap { font: 500 11px/1.4 var(--font-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.rail-list { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 0; margin: 0; padding: 0; }
.rail-list li {
  font: 500 12.5px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.rail-list li:not(:last-child)::after { content: "/"; color: var(--faint); margin: 0 12px; opacity: 0.5; }
.rail-note { margin-left: auto; font: 400 11px/1.4 var(--font-mono); color: var(--faint); }

/* ---------- sections ---------- */
.section { padding: 100px 0; }
.section.alt { background: rgba(255, 255, 255, 0.015); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.kicker {
  color: var(--accent);
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 12px;
  opacity: 0.6;
}
.section-lead { color: var(--muted); font-size: 17.5px; max-width: 46em; margin-bottom: 48px; }

/* ---------- bento ---------- */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cell {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.cell:hover { transform: translateY(-2px); border-color: var(--accent-line); }
.cell p { color: var(--muted); font-size: 14.5px; margin: 0; }
.cell h3 { margin-top: 14px; }
.tag {
  align-self: flex-start;
  font: 500 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  border-radius: var(--r-xs);
  padding: 5px 8px;
}
.cell-a { grid-column: span 2; }
.cell-b { grid-column: 3; grid-row: 1 / span 2; }
.cell-e { grid-column: span 2; }

/* память: «источник → назначение» */
.wire { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.wire-row {
  display: grid;
  grid-template-columns: 18px auto 14px 1fr;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-xs);
  padding: 9px 12px;
  font: 400 12px/1.4 var(--font-mono);
}
.wire-ico { width: 15px; height: 15px; fill: none; stroke: var(--muted); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.wire-src { color: var(--muted); }
.wire-arrow { color: var(--accent); text-align: center; }
.wire-dst { color: #bfe9f2; }

/* маршрутная карточка */
.cell-chart { width: 100%; height: auto; margin: 18px 0 16px; }
.contour { fill: none; stroke: rgba(0, 229, 255, 0.12); stroke-width: 1.3; }
.depth { fill: rgba(143, 164, 184, 0.8); font: 500 10.5px var(--font-mono); }
.route { fill: none; stroke: var(--accent); stroke-width: 2; stroke-dasharray: 6 6; stroke-linecap: round; opacity: 0.9; }
.wp { fill: #0a1f33; stroke: var(--accent); stroke-width: 2; }
.wp-end { fill: var(--accent); }
.badge-rect { fill: rgba(52, 211, 153, 0.12); stroke: rgba(52, 211, 153, 0.45); }
.badge-ok { fill: var(--ok); }
.badge-text { fill: #a7f3d0; font: 700 10.5px var(--font-mono); }
.vdot { fill: var(--accent); stroke: #04211c; stroke-width: 1; }
.vessel.pulse .vhalo {
  fill: none;
  stroke: var(--accent);
  opacity: 0.6;
  transform-box: fill-box;
  transform-origin: center;
  animation: ping 2.6s ease-out infinite;
}
@keyframes ping {
  0% { transform: scale(1); opacity: 0.7; }
  70%, 100% { transform: scale(3.2); opacity: 0; }
}

/* AIS-точки */
.dots { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: auto; padding-top: 20px; }
.dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.dot.pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--accent);
  animation: ping 2.6s ease-out infinite;
}
.dots-cap { margin-left: auto; font: 400 11px/1 var(--font-mono); letter-spacing: 0.1em; color: var(--faint); }

/* якорная вахта: строка статуса */
.statline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--r-xs);
  padding: 10px 12px;
  font: 500 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted);
}
.statline i { color: var(--faint); font-style: normal; }
.statline-ok { color: var(--ok); }

.srcs-cell { margin-top: 18px; }

/* ---------- how it works ---------- */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; counter-reset: none; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 26px; }
.step-n {
  display: inline-block;
  font: 700 12.5px/1 var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--accent);
  border: 1px solid var(--accent-line);
  border-radius: var(--r-xs);
  padding: 6px 9px;
  margin-bottom: 18px;
}
.step h3 { font-size: 16.5px; }
.step p { color: var(--muted); font-size: 14.5px; margin: 0; }

.ladder {
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.02);
  padding: 24px 28px 14px;
}
.ladder-cap { font: 500 11px/1 var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin: 0 0 6px; }
.ladder-list { list-style: none; margin: 0; padding: 0; }
.ladder-list li {
  display: grid;
  grid-template-columns: 26px 218px 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding: 15px 0;
  border-top: 1px solid var(--line);
}
.ladder-list li:first-child { border-top: 0; }
.lad-n { font: 700 12px/1 var(--font-mono); color: var(--accent); }
.ladder-list strong { font-weight: 600; font-size: 15.5px; letter-spacing: -0.01em; }
.lad-d { color: var(--muted); font-size: 14px; }
.badge {
  justify-self: end;
  font: 500 10.5px/1 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--r-xs);
  padding: 5px 9px;
  white-space: nowrap;
}
.badge-today { background: rgba(52, 211, 153, 0.1); color: #6ee7b7; border: 1px solid rgba(52, 211, 153, 0.35); }
.badge-part { background: rgba(244, 191, 107, 0.08); color: #f4bf6b; border: 1px solid rgba(244, 191, 107, 0.3); }
.badge-ahead { background: rgba(143, 164, 184, 0.07); color: var(--muted); border: 1px solid var(--line-strong); }

.strip {
  margin-top: 26px;
  border: 1px solid var(--accent-line);
  background: linear-gradient(160deg, rgba(0, 229, 255, 0.07), rgba(0, 229, 255, 0.015));
  border-radius: var(--r);
  padding: 24px 28px;
}
.strip-t { font-family: var(--font-display); font-size: 21px; margin-bottom: 6px; }
.strip-d { color: var(--muted); margin: 0; font-size: 15px; }

/* ---------- quote ---------- */
.quote {
  margin: 0 0 40px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--accent);
  border-radius: var(--r);
  padding: 30px 34px 26px;
  max-width: 860px;
}
.quote-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.quote-who { color: var(--accent); font: 500 12px/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; }
.quote-when { color: var(--faint); font: 400 11px/1 var(--font-mono); }
.quote blockquote {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.3;
  letter-spacing: 0.005em;
}
.quote .srcs span { font-size: 11.5px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.mini {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 22px 20px;
}
.mini h3 { font-size: 15px; margin-bottom: 8px; }
.mini p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* ---------- absorb ---------- */
.absorb { display: grid; gap: 12px; margin-top: 40px; }
.absorb-row {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 18px;
  align-items: baseline;
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 19px 24px;
  background: rgba(255, 255, 255, 0.02);
}
.absorb-row h3 { margin: 0; font-size: 16px; color: var(--muted); font-weight: 600; }
.absorb-row p { margin: 0; color: var(--muted); font-size: 15px; }
.absorb-us {
  border-color: var(--accent-line);
  background: linear-gradient(160deg, rgba(0, 229, 255, 0.07), rgba(0, 229, 255, 0.015));
}
.absorb-us h3 { color: var(--accent); }
.absorb-us p { color: var(--text); }

/* ---------- cta band ---------- */
.cta-band {
  padding: 110px 0;
  text-align: center;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(760px 360px at 50% 118%, rgba(0, 229, 255, 0.13), transparent 65%),
    var(--bg);
}
.cta-band h2 { max-width: 19em; margin: 0 auto 16px; }
.cta-band p { color: var(--muted); font-size: 16.5px; margin-bottom: 32px; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 48px 0 36px; background: var(--bg); }
.foot-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 36px;
  align-items: start;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line);
}
.foot-brand { display: flex; gap: 12px; align-items: center; }
.foot-name { font-family: var(--font-display); font-size: 21px; margin: 0; }
.foot-tag { color: var(--muted); font-size: 13px; margin: 2px 0 0; }
.foot-legend { color: var(--muted); font-size: 14px; max-width: 46em; margin: 0; }
.foot-links { display: grid; gap: 10px; justify-items: end; }
.foot-links a { font: 500 13px/1 var(--font-mono); letter-spacing: 0.04em; color: var(--muted); transition: color 0.15s ease; }
.foot-links a:hover { color: var(--accent); }
.foot-legal { padding-top: 22px; }
.foot-legal p { color: var(--faint); font-size: 12.5px; margin: 0; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .chat-status i, .typing i, .caret, .vessel.pulse .vhalo, .dot.pulse::after { animation: none; }
  .msg { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .cell-a { grid-column: span 2; }
  .cell-b { grid-column: auto; grid-row: auto; }
  .cell-e { grid-column: span 2; }
  .ladder-list li { grid-template-columns: 26px 190px 1fr auto; }
}

@media (max-width: 980px) {
  .hero { padding: 56px 0 52px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-photo { height: 46%; opacity: 0.72; }
  .chat { max-width: 620px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .absorb-row { grid-template-columns: 1fr; gap: 6px; }
  .foot-grid { grid-template-columns: 1fr; gap: 20px; }
  .foot-links { justify-items: start; }
}

@media (max-width: 760px) {
  .ladder-list li { grid-template-columns: 26px 1fr auto; }
  .lad-d { grid-column: 2 / -1; grid-row: 2; }
  .rail-note { margin-left: 0; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links { display: none; }
  .section { padding: 68px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .cell-a, .cell-e { grid-column: auto; }
  .cell { padding: 22px 20px; }
  .quote { padding: 24px 20px 20px; }
  .chat-body { height: 392px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .nav-in { gap: 14px; height: 60px; }
  .nav-side { gap: 10px; }
  .nav-side .btn { display: none; }
  .hero { padding-top: 40px; }
  .hero-actions .btn { flex: 1 1 100%; text-align: center; }
  .motto { margin-bottom: 24px; }
  .chat-body { height: 360px; padding: 14px 12px; }
  .chat-sub { display: none; }
  .ladder { padding: 18px 16px 10px; }
  .strip { padding: 20px 18px; }
  .rail-in { gap: 8px 16px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 34px; }
  .lead { font-size: 16px; }
}