:root {
  --bg: #fbfbfd;
  --ink: #0b0c12;
  --ink-soft: #353947;
  --muted: #5f6474;
  --line: #e7e9f1;
  --card: #ffffff;
  --surface: #f4f5fa;
  --brand: #5a4bff;
  --brand-2: #00b8ff;
  --brand-deep: #3b2ce6;
  --success: #0aa06e;
  --shadow: 0 24px 70px rgba(17, 19, 42, 0.1);
  --shadow-sm: 0 8px 28px rgba(17, 19, 42, 0.07);
  --radius: 22px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI",
    Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46rem 30rem at 82% -6%, rgba(0, 184, 255, 0.13), transparent 62%),
    radial-gradient(44rem 30rem at 6% 2%, rgba(90, 75, 255, 0.14), transparent 60%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--brand-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding-left: 1.2em;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 253, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(231, 233, 241, 0.8);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.06rem;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  box-shadow: 0 6px 16px rgba(90, 75, 255, 0.3);
}

.brand-mark svg {
  width: 19px;
  height: 19px;
}

.brand small {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
  line-height: 1;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--brand-deep);
  text-decoration: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
}

.menu-btn svg {
  width: 20px;
  height: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, #714dff 55%, var(--brand-2) 120%);
  box-shadow: 0 10px 26px rgba(90, 75, 255, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(90, 75, 255, 0.36);
}

.btn-ghost {
  background: var(--card);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  border-color: #d3d6e6;
}

.btn-sm {
  padding: 9px 15px;
  font-size: 0.9rem;
  border-radius: 10px;
}

.btn svg {
  width: 17px;
  height: 17px;
}

/* Hero */
.hero {
  padding: 74px 0 88px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 7px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.75);
  font-size: 0.79rem;
  font-weight: 600;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-sm);
}

.eyebrow .dot {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.7rem;
}

.hero h1 {
  margin: 22px 0 18px;
  font-size: clamp(2.7rem, 5.4vw, 4.4rem);
  letter-spacing: -0.045em;
}

.hero h1 .grad {
  background: linear-gradient(100deg, var(--brand) 8%, #8a5bff 45%, var(--brand-2) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lede {
  max-width: 34rem;
  font-size: clamp(1.04rem, 1.6vw, 1.22rem);
  color: var(--muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-actions .btn {
  padding: 14px 22px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.87rem;
  font-weight: 500;
}

.trust-row li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-row svg {
  width: 15px;
  height: 15px;
  color: var(--success);
}

/* Phone mockup */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  min-height: 540px;
  align-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(90, 75, 255, 0.2), rgba(0, 184, 255, 0.18), rgba(255, 255, 255, 0));
  filter: blur(30px);
  z-index: 0;
}

.phone {
  position: relative;
  z-index: 2;
  width: 292px;
  border-radius: 46px;
  background: #111219;
  padding: 10px;
  box-shadow: 0 40px 90px rgba(20, 22, 55, 0.28), inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  transform: rotate(-2.5deg);
}

.phone-screen {
  position: relative;
  border-radius: 37px;
  background: #fff;
  overflow: hidden;
  min-height: 548px;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 88px;
  height: 24px;
  background: #111219;
  border-radius: 999px;
  z-index: 4;
}

.status-bar {
  display: flex;
  justify-content: space-between;
  padding: 13px 22px 6px;
  font-size: 0.63rem;
  font-weight: 600;
  color: #17181f;
}

.status-icons {
  display: flex;
  gap: 5px;
  align-items: center;
}

.status-icons span {
  width: 12px;
  height: 7px;
  border: 1px solid #17181f;
  border-radius: 2px;
  display: inline-block;
}

.app-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px 4px;
}

.app-head h3 {
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.app-head .plus {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
}

.search {
  margin: 10px 16px 12px;
  padding: 9px 12px;
  border-radius: 10px;
  background: #f1f2f7;
  color: #9a9dab;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  gap: 7px;
}

.search svg {
  width: 12px;
  height: 12px;
}

.snippet-list {
  padding: 0 16px;
  display: grid;
  gap: 8px;
}

.snippet {
  border: 1px solid #eceef5;
  border-radius: 13px;
  padding: 9px 11px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(22, 25, 52, 0.04);
}

.snippet-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.snippet-top strong {
  font-size: 0.74rem;
  letter-spacing: -0.01em;
}

.tag {
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--brand-deep);
  background: rgba(90, 75, 255, 0.09);
  border-radius: 99px;
  padding: 2px 7px;
  white-space: nowrap;
}

.snippet p {
  margin-top: 3px;
  font-size: 0.62rem;
  color: #7c8090;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phone-keyboard {
  margin-top: auto;
  background: #f4f5f9;
  border-top: 1px solid #e7e9f2;
  padding: 8px 10px 14px;
}

.quick-bar {
  display: flex;
  gap: 6px;
  overflow: hidden;
  padding-bottom: 8px;
  border-bottom: 1px solid #e2e4ee;
  margin-bottom: 8px;
}

.chip {
  font-size: 0.58rem;
  font-weight: 600;
  color: #3c4050;
  background: #fff;
  border: 1px solid #e2e4ee;
  border-radius: 7px;
  padding: 4px 7px;
  white-space: nowrap;
}

.chip.active {
  background: linear-gradient(135deg, var(--brand), #7a5cff);
  border-color: transparent;
  color: #fff;
}

.kb-rows {
  display: grid;
  gap: 5px;
}

.kb-row {
  display: flex;
  justify-content: center;
  gap: 4px;
}

.kb-key {
  width: 22px;
  height: 27px;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(20, 22, 45, 0.18);
  font-size: 0.6rem;
  display: grid;
  place-items: center;
  color: #2b2e3b;
  font-weight: 500;
}

.kb-key.wide {
  width: 38px;
}

.kb-key.space {
  width: 112px;
}

.kb-key.accent {
  background: linear-gradient(135deg, var(--brand), #7a5cff);
  color: #fff;
}

.float-card {
  position: absolute;
  z-index: 3;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(231, 233, 241, 0.9);
  border-radius: 14px;
  padding: 10px 13px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}

.float-card .ico {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  flex: none;
}

.float-card.one {
  top: 56px;
  left: -8px;
}

.float-card.two {
  bottom: 74px;
  right: -18px;
}

.float-card small {
  display: block;
  font-size: 0.6rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0;
}

.ico-blue {
  background: linear-gradient(135deg, #2f6bff, #00b8ff);
}

.ico-green {
  background: linear-gradient(135deg, #0aa06e, #45d5a0);
}

/* Sections */
section {
  scroll-margin-top: 86px;
}

.section {
  padding: 84px 0;
}

.section-head {
  max-width: 700px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.kicker {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--brand-deep);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  letter-spacing: -0.04em;
}

.section-head p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1.03rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.feature .icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(90, 75, 255, 0.1), rgba(0, 184, 255, 0.12));
  color: var(--brand-deep);
  margin-bottom: 18px;
}

.feature .icon svg {
  width: 21px;
  height: 21px;
}

.feature h3 {
  font-size: 1.06rem;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.feature p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  counter-reset: step;
}

.step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px 26px;
  box-shadow: var(--shadow-sm);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 0.92rem;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(90, 75, 255, 0.25);
}

.step h3 {
  font-size: 1.03rem;
  margin-bottom: 7px;
}

.step p {
  color: var(--muted);
  font-size: 0.9rem;
}

.audience {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.audience li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  font-size: 0.94rem;
  color: var(--ink-soft);
  box-shadow: var(--shadow-sm);
}

.audience svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex: none;
  margin-top: 2px;
}

.audience strong {
  display: block;
  color: var(--ink);
  margin-bottom: 2px;
  font-size: 0.96rem;
}

/* Pricing */
.pricing {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: 44px;
  align-items: center;
}

.price-card {
  position: relative;
  background: linear-gradient(160deg, #12131c 0%, #1b1b33 55%, #17244a 100%);
  color: #fff;
  border-radius: 28px;
  padding: 38px 34px;
  box-shadow: 0 34px 80px rgba(18, 19, 40, 0.34);
  overflow: hidden;
}

.price-card::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  right: -90px;
  top: -100px;
  background: radial-gradient(circle, rgba(0, 184, 255, 0.28), transparent 66%);
}

.price-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9fb4ff;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 12px 0 6px;
}

.price strong {
  font-size: 3.4rem;
  letter-spacing: -0.05em;
  line-height: 1;
}

.price span {
  color: #aab0cc;
  font-size: 0.95rem;
}

.price-note {
  color: #b9bed8;
  font-size: 0.9rem;
}

.price-list {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
  display: grid;
  gap: 11px;
  font-size: 0.94rem;
  color: #e6e8f6;
}

.price-list li {
  display: flex;
  gap: 9px;
  align-items: flex-start;
}

.price-list svg {
  width: 17px;
  height: 17px;
  color: #65e6bb;
  flex: none;
  margin-top: 2px;
}

.price-card .btn {
  width: 100%;
  background: #fff;
  color: #17182a;
  box-shadow: none;
}

.price-note-small {
  margin-top: 12px;
  text-align: center;
  font-size: 0.74rem;
  color: #99a0c0;
}

.pricing-copy h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  margin-bottom: 14px;
}

.pricing-copy p {
  color: var(--muted);
  margin-bottom: 12px;
  font-size: 1rem;
}

.pricing-copy .mini {
  font-size: 0.86rem;
  color: #858a9b;
}

/* FAQ */
.faq {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 0 20px;
  box-shadow: var(--shadow-sm);
}

details[open] {
  border-color: #d8d4ff;
}

summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--brand-deep);
  line-height: 1;
  transition: transform 0.2s ease;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details p {
  padding: 0 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 92%;
}

details a {
  font-weight: 500;
}

/* CTA band */
.cta-band {
  margin: 20px 0 0;
  border-radius: 30px;
  padding: 56px 40px;
  text-align: center;
  background:
    radial-gradient(30rem 18rem at 12% 0%, rgba(0, 184, 255, 0.22), transparent 60%),
    radial-gradient(30rem 18rem at 88% 100%, rgba(125, 92, 255, 0.25), transparent 60%),
    linear-gradient(150deg, #15162a 0%, #1c1d3a 100%);
  color: #fff;
  box-shadow: 0 30px 80px rgba(21, 22, 42, 0.26);
}

.cta-band h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  margin-bottom: 12px;
}

.cta-band p {
  color: #b9bdd6;
  max-width: 520px;
  margin: 0 auto 26px;
}

.cta-band .btn {
  background: #fff;
  color: #14152a;
}

/* Footer */
.site-footer {
  margin-top: 90px;
  background: #0c0d14;
  color: #c7cad9;
  padding: 52px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 0.6fr));
  gap: 36px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand .brand small {
  color: #8f94aa;
}

.footer-brand p {
  margin-top: 14px;
  color: #8f94aa;
  font-size: 0.87rem;
  max-width: 290px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.76rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: #7e8399;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 9px;
}

.footer-col a {
  color: #c7cad9;
  font-size: 0.88rem;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: #7e8399;
}

/* Documentation pages */
.doc-hero {
  padding: 60px 0 36px;
  border-bottom: 1px solid var(--line);
}

.doc-hero .kicker {
  margin-bottom: 10px;
}

.doc-hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3rem);
  letter-spacing: -0.04em;
}

.doc-hero p {
  margin-top: 14px;
  color: var(--muted);
  max-width: 640px;
  font-size: 1rem;
}

.doc-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 780px);
  gap: 56px;
  padding: 46px 0 40px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: 92px;
  font-size: 0.86rem;
}

.doc-toc h4 {
  font-size: 0.7rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.doc-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

.doc-toc a {
  color: var(--ink-soft);
}

.doc-toc a:hover {
  color: var(--brand-deep);
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 26px;
}

.doc-meta strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: var(--card);
  font-size: 0.78rem;
}

.lang-switch a {
  padding: 4px 11px;
  border-radius: 999px;
  color: var(--muted);
}

.lang-switch a.active {
  background: var(--ink);
  color: #fff;
}

.doc {
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.doc section {
  margin-bottom: 38px;
  scroll-margin-top: 90px;
}

.doc h2 {
  font-size: 1.28rem;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.doc h3 {
  font-size: 1.02rem;
  margin: 20px 0 8px;
  color: var(--ink);
}

.doc p {
  margin-bottom: 12px;
  line-height: 1.75;
}

.doc ul,
.doc ol {
  margin: 0 0 14px;
  padding-left: 1.25em;
  line-height: 1.75;
}

.doc li {
  margin-bottom: 7px;
}

.doc .callout {
  border: 1px solid #dcd7ff;
  background: linear-gradient(135deg, rgba(90, 75, 255, 0.06), rgba(0, 184, 255, 0.06));
  border-radius: 14px;
  padding: 18px 20px;
  margin: 20px 0;
  font-size: 0.93rem;
}

.doc .callout strong {
  color: var(--ink);
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 16px 0 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.doc th,
.doc td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.doc th {
  background: var(--surface);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.doc tr:last-child td {
  border-bottom: 0;
}

/* Support */
.support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 44px;
  align-items: start;
}

.contact-card {
  position: sticky;
  top: 92px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow);
}

.contact-card .icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1.12rem;
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.contact-card .btn {
  width: 100%;
  margin-bottom: 10px;
}

.contact-card .meta {
  font-size: 0.78rem;
  color: #868b9d;
  text-align: center;
}

.support-faq {
  display: grid;
  gap: 12px;
}

.support-faq h2 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.support-faq h3 {
  font-size: 1.02rem;
  margin: 18px 0 2px;
}

/* 404 */
.error-page {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 80px 24px;
}

.error-page .code {
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  background: linear-gradient(100deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.error-page h1 {
  font-size: 1.8rem;
  margin: 10px 0 12px;
}

.error-page p {
  color: var(--muted);
  margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .hero .lede {
    margin: 0 auto;
  }

  .hero-actions,
  .trust-row {
    justify-content: center;
  }

  .hero-visual {
    min-height: 580px;
    margin-top: 10px;
  }

  .features,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .pricing-copy {
    order: -1;
  }

  .doc-layout {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .doc-toc {
    position: static;
  }

  .support-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-card {
    position: static;
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .menu-btn {
    display: inline-flex;
  }

  .site-header.nav-open .nav-links {
    display: flex;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 24px 20px;
    background: rgba(251, 251, 253, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-header.nav-open .nav-links a {
    display: block;
    padding: 10px 0;
    width: 100%;
  }

  .nav-cta .btn {
    display: none;
  }

  .hero {
    padding: 52px 0 60px;
  }

  .section {
    padding: 62px 0;
  }

  .features,
  .steps,
  .audience {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 540px;
  }

  .phone {
    width: 268px;
  }

  .phone-screen {
    min-height: 508px;
  }

  .float-card.one {
    left: 0;
  }

  .float-card.two {
    right: 0;
  }

  .cta-band {
    padding: 42px 24px;
    border-radius: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

  .doc-hero {
    padding: 44px 0 28px;
  }

  .doc {
    font-size: 0.96rem;
  }

  .doc table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 400px) {
  .phone {
    width: 244px;
  }

  .phone-screen {
    min-height: 470px;
  }

  .float-card {
    font-size: 0.68rem;
    padding: 8px 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}