/* ==========================================================
   NATALIQ — landing
   Palette: deep indigo, warm milk, muted gold + cyan AI accent
   ========================================================== */

:root {
  --indigo-950: #060a1c;
  --indigo-900: #0a1030;
  --indigo-800: #101a45;
  --indigo-700: #1b2860;

  --milk: #f5f0e6;
  --milk-2: #ebe4d4;

  --gold: #d6b97a;
  --gold-soft: #ecdcae;
  --gold-deep: #9c7f3f;

  --ai: #6fe3e1;

  --text: #f3efe6;
  --text-muted: #b8bdd6;
  --line: rgba(236, 220, 174, 0.16);
  --line-strong: rgba(236, 220, 174, 0.32);
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.075);

  --font-serif: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius: 20px;
  --radius-lg: 28px;
  --container: 1180px;
  --header-h: 72px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--indigo-950);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h3 { font-weight: 600; line-height: 1.3; }
p { text-wrap: pretty; }

.ico {
  width: 22px;
  height: 22px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ico--sm { width: 16px; height: 16px; }

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}
.container--narrow { width: min(100% - 40px, 820px); }

:focus-visible {
  outline: 2px solid var(--ai);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--gold);
  color: var(--indigo-950);
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 12px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font: 600 1rem/1.2 var(--font-sans);
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--gold {
  --btn-fg: var(--indigo-950);
  background: linear-gradient(135deg, #f2e2b4 0%, #d6b97a 55%, #bf9f5b 100%);
  box-shadow: 0 10px 30px -10px rgba(214, 185, 122, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px rgba(214, 185, 122, 0.75), 0 0 0 4px rgba(214, 185, 122, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.btn--outline {
  border-color: var(--line-strong);
  color: var(--gold-soft);
}
.btn--outline:hover {
  background: rgba(214, 185, 122, 0.12);
  border-color: var(--gold);
  color: #fff;
}

.btn--indigo {
  --btn-fg: var(--milk);
  background: var(--indigo-900);
  box-shadow: 0 12px 30px -12px rgba(10, 16, 48, 0.6);
}
.btn--indigo:hover {
  background: var(--indigo-700);
  transform: translateY(-2px);
}

.btn--small { min-height: 42px; padding: 9px 18px; font-size: 0.9375rem; }
.btn--large { min-height: 58px; padding: 16px 34px; font-size: 1.0625rem; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold-soft);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(236, 220, 174, 0.35);
  text-underline-offset: 5px;
  transition: color 0.2s, text-decoration-color 0.2s;
}
.text-link:hover { color: #fff; text-decoration-color: var(--gold); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(6, 10, 28, 0.78);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--line-strong), 0 0 24px -4px rgba(111, 227, 225, 0.45);
}
.brand__name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold-soft);
}

.nav { display: none; gap: 28px; }
.nav a {
  position: relative;
  padding: 6px 0;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav a:hover { color: #fff; }
.nav a:hover::after { transform: scaleX(1); }

@media (min-width: 900px) {
  .nav { display: flex; }
}
@media (max-width: 480px) {
  .site-header .btn span { display: none; }
  .site-header .btn { padding: 9px 14px; }
  .brand__name { font-size: 1.3rem; letter-spacing: 0.18em; }
}

/* ---------- Shared bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow--ai {
  padding: 7px 14px;
  border: 1px solid rgba(111, 227, 225, 0.28);
  border-radius: 999px;
  background: rgba(111, 227, 225, 0.07);
  color: var(--ai);
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

.pulse {
  position: relative;
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--ai);
  box-shadow: 0 0 12px var(--ai);
}
.pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--ai);
  animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(2.2); opacity: 0; }
}

.gold-text {
  background: linear-gradient(100deg, #f4e6bd 0%, #d6b97a 45%, #f0dba2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  padding: clamp(72px, 10vw, 128px) 0;
}
.section--glow::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 50% at 85% 0%, rgba(111, 227, 225, 0.08), transparent 70%),
    radial-gradient(50% 50% at 0% 100%, rgba(214, 185, 122, 0.08), transparent 70%);
}
.section > .container { position: relative; }

.section__head { max-width: 760px; margin-bottom: clamp(36px, 5vw, 60px); }
.section__head h2 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }
.section__lead {
  margin-top: 20px;
  max-width: 620px;
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Light sections */
.section--light {
  background: var(--milk);
  color: #1a2150;
}
.section--light .eyebrow { color: var(--gold-deep); }
.section--light h2 { color: var(--indigo-900); }
.section--light :focus-visible { outline-color: var(--indigo-700); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(32px, 6vw, 72px)) 0 clamp(64px, 9vw, 112px);
  background:
    radial-gradient(70% 60% at 85% 20%, rgba(111, 227, 225, 0.14), transparent 65%),
    radial-gradient(60% 60% at 5% 85%, rgba(214, 185, 122, 0.12), transparent 65%),
    linear-gradient(180deg, #070c24 0%, #060a1c 100%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.85;
  -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 60%, transparent 100%);
}
.hero__wheel {
  position: absolute;
  z-index: -1;
  top: 50%;
  right: -12%;
  width: min(880px, 130vw);
  aspect-ratio: 1;
  color: var(--gold);
  opacity: 0.2;
  transform: translateY(-50%);
  animation: spin 180s linear infinite;
  pointer-events: none;
}
@keyframes spin { to { transform: translateY(-50%) rotate(360deg); } }

.hero__grid {
  display: grid;
  gap: 56px;
  align-items: center;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: 1.08fr 0.92fr; gap: 40px; }
}

.hero__title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.04;
}
.hero__subtitle {
  margin-top: 24px;
  max-width: 610px;
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.3vw, 1.75rem);
  line-height: 1.25;
  color: var(--gold-soft);
}
.hero__lead {
  margin-top: 18px;
  max-width: 560px;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--text-muted);
}
.hero__lead strong {
  color: var(--text);
  font-weight: 750;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: 36px;
}
.hero__note {
  margin-top: 14px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  opacity: 0.85;
}
.link-down {
  font-weight: 600;
  color: var(--gold-soft);
  text-decoration: none;
  padding: 6px 2px;
  border-bottom: 1px solid rgba(236, 220, 174, 0.3);
  transition: color 0.2s, border-color 0.2s;
}
.link-down:hover { color: #fff; border-color: var(--gold); }

@media (max-width: 540px) {
  .hero__actions .btn { width: 100%; }
  .hero__actions { gap: 16px; }
}

/* Phone mock */
.hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(6, 10, 28, 0.6);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.phone {
  position: relative;
  width: min(100%, 352px);
  padding: 10px;
  border-radius: 44px;
  background: linear-gradient(160deg, #2c3569 0%, #0d1233 60%);
  border: 1px solid rgba(236, 220, 174, 0.28);
  box-shadow:
    0 50px 90px -30px rgba(0, 0, 0, 0.8),
    0 0 90px -20px rgba(111, 227, 225, 0.35);
}
.phone__screen {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 34px;
  background: #0a0f2e;
}
.phone__bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.phone__bar img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}
.phone__bar strong { display: block; font-size: 0.9375rem; line-height: 1.2; letter-spacing: 0.08em; }
.phone__bar span { font-size: 0.78rem; color: var(--ai); }

.chat {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 12px 6px;
  min-height: 390px;
}
.msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.45;
}
.msg--bot {
  align-self: flex-start;
  border-bottom-left-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}
.msg--welcome {
  max-width: 100%;
  font-size: 0.8rem;
  line-height: 1.38;
}
.msg--user {
  align-self: flex-end;
  border-bottom-right-radius: 6px;
  background: linear-gradient(135deg, #2a4a8f, #213a74);
}
.msg--media {
  max-width: 100%;
  padding: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 18px 18px 18px 6px;
}
.msg--media img {
  width: 100%;
  height: auto;
  border-radius: 14px;
}

.chat__reply { display: grid; max-width: 92%; align-self: flex-start; }
.chat__reply > * { grid-area: 1 / 1; max-width: 100%; }
.msg--answer b {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--gold-soft);
  font-size: 0.9rem;
}
.msg--answer p { color: var(--text-muted); font-size: 0.86rem; }
.msg--typing {
  display: flex;
  align-items: center;
  gap: 5px;
  align-self: start;
  justify-self: start;
  width: 64px;
  height: 38px;
  padding: 0 16px;
}
.msg--typing i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ai);
  animation: blink 1.1s infinite ease-in-out;
}
.msg--typing i:nth-child(2) { animation-delay: 0.15s; }
.msg--typing i:nth-child(3) { animation-delay: 0.3s; }
@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

.phone__input {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 12px 14px;
  padding: 11px 14px 11px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.85rem;
  color: rgba(184, 189, 214, 0.7);
}
.phone__input .ico { color: var(--gold); width: 20px; height: 20px; }

.chip {
  position: absolute;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(10, 16, 48, 0.78);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold-soft);
  white-space: nowrap;
  box-shadow: 0 16px 40px -16px rgba(0, 0, 0, 0.7);
}
.chip .ico { color: var(--ai); }
.chip--a { top: 22%; left: -6%; animation: float 7s ease-in-out infinite; }
.chip--b { bottom: 14%; right: -8%; animation: float 8s ease-in-out -3s infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }
@media (min-width: 640px) { .chip { display: inline-flex; } }
@media (min-width: 640px) and (max-width: 959px) {
  .chip--a { left: 4%; }
  .chip--b { right: 4%; }
}

/* Chat entrance animation (only if motion allowed) */
@media (prefers-reduced-motion: no-preference) {
  .chat .msg--media,
  .chat .msg--welcome,
  .chat .msg--user,
  .msg--typing,
  .msg--answer {
    animation: pop 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) var(--d, 0s) both;
  }
  .msg--typing { animation: typing 1.7s ease 1.9s both; }
  .msg--answer { animation: pop 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) 3.3s both; }
}
@keyframes pop {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
@keyframes typing {
  0% { opacity: 0; transform: translateY(10px); }
  12%, 80% { opacity: 1; transform: none; }
  100% { opacity: 0; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .msg--typing { display: none; }
}

/* ---------- Question cards ---------- */
.q-grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 640px) { .q-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) {
  .q-grid { grid-template-columns: repeat(6, 1fr); gap: 20px; }
  .q-card { grid-column: span 2; }
  .q-card:nth-child(4), .q-card:nth-child(5) { grid-column: span 3; }
}

.q-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}
.q-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.q-card__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: rgba(214, 185, 122, 0.12);
  color: var(--gold);
}
.q-card h3 {
  margin-bottom: 10px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.q-card p {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--text);
}
.q-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 20px;
  margin-top: 40px;
  text-align: center;
  color: var(--text-muted);
}

/* ---------- Formats ---------- */
.formats { display: grid; gap: 20px; }
@media (min-width: 960px) { .formats { grid-template-columns: repeat(3, 1fr); } }

.format {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 36px 32px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(214, 185, 122, 0.1), transparent 70%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.format:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7), 0 0 60px -30px rgba(214, 185, 122, 0.6);
}
.format__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 24px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--gold);
  background: rgba(6, 10, 28, 0.5);
}
.format__icon .ico { width: 26px; height: 26px; }
.format .format__tag {
  margin-bottom: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ai);
}
@media (min-width: 960px) {
  .format .format__tag { min-height: 3em; }
}
.format h3 {
  margin-bottom: 16px;
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 600;
  line-height: 1.15;
}
.format p { color: var(--text-muted); font-size: 1rem; }
.format .format__for {
  margin: 16px 0 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--gold-soft);
  font-style: italic;
}
.format .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 540px) { .format .btn { align-self: stretch; } }

/* ---------- Steps (light) ---------- */
.steps {
  display: grid;
  gap: 20px;
  counter-reset: step;
}
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 28px; }
}
.step {
  position: relative;
  padding: 32px 28px 30px;
  border: 1px solid rgba(26, 33, 80, 0.12);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 20px 40px -30px rgba(10, 16, 48, 0.4);
}
.step__num {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: var(--indigo-900);
  color: var(--gold-soft);
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  box-shadow: 0 0 0 5px rgba(214, 185, 122, 0.28);
}
.step h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  color: var(--indigo-900);
}
.step p { color: #4a5078; }
@media (min-width: 900px) {
  .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 59px;
    left: calc(28px + 54px + 14px);
    right: -28px;
    height: 1px;
    background: repeating-linear-gradient(90deg, var(--gold-deep) 0 6px, transparent 6px 12px);
    opacity: 0.6;
    pointer-events: none;
  }
}
.how__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-top: clamp(36px, 5vw, 56px);
  text-align: center;
}
.how__cta p { color: #4a5078; max-width: 460px; }
@media (max-width: 540px) { .how__cta .btn { width: 100%; } }

/* ---------- Example dialog ---------- */
.example {
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 960px) {
  .example { grid-template-columns: 0.9fr 1.1fr; gap: 72px; }
}
.example__copy h2 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); }

.dialog {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8);
}
.dialog__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ai);
}
.dialog__body { display: flex; flex-direction: column; gap: 14px; }
.bubble {
  max-width: 92%;
  padding: 16px 20px;
  border-radius: 20px;
}
.bubble--user {
  align-self: flex-end;
  border-bottom-right-radius: 6px;
  background: linear-gradient(135deg, #2a4a8f, #213a74);
}
.bubble--bot {
  align-self: flex-start;
  width: 100%;
  max-width: 100%;
  padding: 8px 12px;
  border-bottom-left-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
}
.answer__item {
  display: flex;
  gap: 16px;
  padding: 16px 8px;
}
.answer__item + .answer__item { border-top: 1px solid var(--line); }
.answer__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 12px;
  background: rgba(214, 185, 122, 0.12);
  color: var(--gold);
}
.answer h3 { margin-bottom: 4px; font-size: 1rem; color: var(--gold-soft); }
.answer p { font-size: 0.97rem; color: var(--text-muted); }
.dialog__disclaimer {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.8;
}

/* ---------- Why ---------- */
.why { display: grid; gap: 20px; }
@media (min-width: 640px) { .why { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .why { grid-template-columns: repeat(4, 1fr); } }
.why__item {
  padding: 30px 26px;
  border-top: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--surface), transparent);
  border-radius: 0 0 var(--radius) var(--radius);
}
.why__icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: rgba(111, 227, 225, 0.08);
  border: 1px solid rgba(111, 227, 225, 0.25);
  color: var(--ai);
}
.why__item h3 { margin-bottom: 10px; font-size: 1.15rem; }
.why__item p { color: var(--text-muted); font-size: 1rem; }

/* ---------- Engine ---------- */
.engine {
  display: grid;
  gap: 40px;
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(80% 100% at 100% 0%, rgba(111, 227, 225, 0.1), transparent 60%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
}
@media (min-width: 960px) {
  .engine { grid-template-columns: 1.15fr 0.85fr; gap: 64px; }
}
.engine h2 { margin-bottom: 20px; font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
.engine__copy > p { color: var(--text-muted); }
.engine__note {
  margin-top: 20px;
  padding-left: 18px;
  border-left: 2px solid var(--gold);
  font-size: 0.97rem;
  color: var(--gold-soft) !important;
}
.engine__flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.node {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px 22px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: rgba(6, 10, 28, 0.55);
}
.node strong { font-size: 1.1rem; }
.node span:last-child { font-size: 0.88rem; color: var(--text-muted); }
.node__num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}
.node--ai {
  border-color: rgba(111, 227, 225, 0.4);
  box-shadow: 0 0 40px -14px rgba(111, 227, 225, 0.6);
}
.node--ai .node__num { color: var(--ai); }
.flow-line {
  position: relative;
  width: 2px;
  height: 44px;
  margin-left: 36px;
  background: linear-gradient(180deg, var(--gold), var(--ai));
  opacity: 0.6;
  overflow: hidden;
}
.flow-line i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 14px;
  background: #fff;
  filter: blur(3px);
  animation: travel 2.2s ease-in-out infinite;
}
@keyframes travel { from { top: -14px; } to { top: 100%; } }

/* ---------- FAQ (light) ---------- */
.faq { display: grid; gap: 12px; }
.faq__item {
  border: 1px solid rgba(26, 33, 80, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.65);
  transition: border-color 0.25s, background-color 0.25s, box-shadow 0.25s;
}
.faq__item:hover { border-color: rgba(156, 127, 63, 0.6); }
.faq__item[open] {
  background: #fff;
  border-color: var(--gold-deep);
  box-shadow: 0 20px 40px -28px rgba(10, 16, 48, 0.5);
}
.faq__item summary {
  position: relative;
  display: block;
  padding: 20px 64px 20px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.4;
  color: var(--indigo-900);
  cursor: pointer;
  list-style: none;
  border-radius: 18px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before,
.faq__item summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 26px;
  width: 16px;
  height: 2px;
  background: var(--gold-deep);
  border-radius: 2px;
  transition: transform 0.3s ease;
}
.faq__item summary::after { transform: rotate(90deg); }
.faq__item[open] summary::after { transform: rotate(0); }
.faq__body { padding: 0 24px 24px; color: #3f4670; }
.faq__body code {
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--milk-2);
  color: var(--indigo-900);
  font-size: 0.92em;
}

/* ---------- Final CTA ---------- */
.final {
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 11vw, 140px) 0;
  text-align: center;
  background:
    radial-gradient(60% 70% at 50% 0%, rgba(111, 227, 225, 0.14), transparent 70%),
    radial-gradient(50% 60% at 50% 100%, rgba(214, 185, 122, 0.16), transparent 70%),
    var(--indigo-950);
}
.final__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 820px;
}
.final__mark {
  width: 96px;
  height: 96px;
  margin-bottom: 32px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--line-strong), 0 0 70px -6px rgba(111, 227, 225, 0.55);
}
.final h2 { font-size: clamp(2.2rem, 5.2vw, 4rem); }
.final__lead {
  margin: 24px 0 36px;
  max-width: 600px;
  font-size: 1.125rem;
  color: var(--text-muted);
}
.final__note { margin-top: 18px; font-size: 0.9375rem; color: var(--text-muted); }
@media (max-width: 540px) { .final .btn { width: 100%; } }

/* ---------- Footer ---------- */
.footer {
  padding: 64px 0 28px;
  border-top: 1px solid var(--line);
  background: #050818;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.footer__grid { display: grid; gap: 40px; }
@media (min-width: 860px) { .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 56px; } }
.footer__brand p { max-width: 380px; margin-top: 18px; }
.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h3 {
  margin-bottom: 6px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.footer__col a {
  width: fit-content;
  text-decoration: none;
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--gold-soft); text-decoration: underline; text-underline-offset: 4px; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}
.footer__counter {
  display: flex;
  min-width: 88px;
  min-height: 15px;
}
.footer__counter a,
.footer__counter img { display: block; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 40;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f2e2b4 0%, #d6b97a 55%, #bf9f5b 100%);
  color: var(--indigo-950);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 16px 40px -8px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.25) inset;
  transform: translateY(140%);
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.sticky-cta.is-visible { transform: none; }
@media (max-width: 759px) {
  .sticky-cta { display: flex; }
  .footer { padding-bottom: 96px; }
}

/* ---------- Reveal on scroll ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: calc(var(--i, 0) * 110ms);
}
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero__wheel, .chip, .pulse::after, .flow-line i, .msg--typing i { animation: none; }
  .sticky-cta { transition: none; }
}

/* ---------- Document pages (privacy / terms) ---------- */
.doc {
  padding: calc(var(--header-h) + 56px) 0 96px;
  min-height: 70vh;
}
.doc h1 { margin-bottom: 24px; font-size: clamp(2.2rem, 5vw, 3.4rem); }
.doc p { max-width: 680px; margin-bottom: 16px; color: var(--text-muted); }
.doc .text-link { margin-top: 16px; }