:root {
  --bg: #0d0f16;
  --bg-elevated: #12141c;
  --panel: #1a1d29;
  --panel-2: #20232f;
  --line: #2a2e40;
  --text: #eef0f6;
  --dim: #9aa0b4;
  --dimmer: #6b7280;
  --teal: #13b8a4;
  --teal-strong: #0e9686;
  --teal-dim: #0b6b5f;
  --teal-tint: #12332f;
  --amber: #f0a83a;
  --card: #ffffff;
  --card-text: #1c2430;
  --card-dim: #6b7280;
  --danger: #d97a7a;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 82% -8%, rgba(19, 184, 164, 0.16), transparent 60%),
    radial-gradient(700px 420px at 8% 8%, rgba(19, 184, 164, 0.08), transparent 55%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ---------- nav ---------- */
nav.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgba(13, 15, 22, 0.72);
  border-bottom: 1px solid var(--line);
}

nav.topbar .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  gap: 26px;
  margin-left: 8px;
  font-size: 14px;
  color: var(--dim);
}

.nav-links a:hover {
  color: var(--text);
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 11px 20px;
  transition: transform 0.12s ease, opacity 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--teal);
  color: #06231f;
}

.btn-primary:hover {
  background: var(--teal-strong);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

/* ---------- hero ---------- */
header.hero {
  padding: 92px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--teal-tint);
  border: 1px solid rgba(19, 184, 164, 0.35);
  color: var(--teal);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal);
}

h1.headline {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 750;
  margin-bottom: 20px;
}

h1.headline .accent {
  color: var(--teal);
}

.hero-sub {
  font-size: 18px;
  color: var(--dim);
  max-width: 520px;
  margin-bottom: 30px;
}

.hero-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 32px;
  font-family: "SF Mono", Menlo, monospace;
}

.hero-flow .step {
  color: var(--text);
}

.hero-flow .arrow {
  color: var(--teal);
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--dimmer);
}

/* ---------- card mock (recreated UI, not a screenshot) ---------- */
.card-mock-frame {
  position: relative;
}

.card-mock {
  background: var(--card);
  color: var(--card-text);
  border-radius: var(--radius-md);
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  font-size: 13.5px;
}

.card-mock .accent-bar {
  height: 3px;
  background: var(--teal);
}

.card-mock .card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px 8px;
  font-weight: 700;
  font-size: 13px;
}

.card-mock .card-head .glyph {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: var(--teal);
}

.card-mock .card-head .close {
  margin-left: auto;
  color: var(--card-dim);
  font-size: 15px;
}

.card-mock .context-line {
  padding: 0 16px 10px;
  font-size: 12px;
  color: var(--card-dim);
}

.card-mock .body-text {
  padding: 4px 16px 14px;
  line-height: 1.65;
}

.card-mock .del {
  color: #9aa0ac;
  text-decoration: line-through;
  text-decoration-color: #d7a3a3;
}

.card-mock .ins {
  background: #e3f6f2;
  border-radius: 3px;
  padding: 0 2px;
}

.card-mock .actions {
  display: flex;
  gap: 8px;
  padding: 4px 16px 14px;
  flex-wrap: wrap;
}

.card-mock .mini-btn {
  border: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 12px;
  border-radius: 7px;
  padding: 7px 12px;
  cursor: default;
}

.card-mock .mini-btn.accept {
  background: var(--teal);
  color: #fff;
}

.card-mock .mini-btn.ghost {
  background: #f2f3f5;
  color: var(--card-text);
}

.card-mock .tabs {
  display: flex;
  gap: 6px;
  padding: 0 16px 16px;
  flex-wrap: wrap;
}

.card-mock .tab {
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #f2f3f5;
  color: var(--card-dim);
}

.card-mock .tab.active {
  background: var(--teal-tint);
  color: var(--teal-strong);
  font-weight: 700;
}

.card-mock-caption {
  text-align: center;
  font-size: 12.5px;
  color: var(--dimmer);
  margin-top: 16px;
}

/* ---------- sections ---------- */
section {
  padding: 76px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head .kicker {
  color: var(--teal);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--dim);
  font-size: 16px;
}

/* ---------- download ---------- */
#download {
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(19, 184, 164, 0.12), transparent 70%),
    transparent;
}

.download-panel {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 860px) {
  .download-panel {
    grid-template-columns: 1fr;
  }
}

.download-main,
.download-aside {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.download-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-tint);
  border: 1px solid rgba(19, 184, 164, 0.35);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 16px;
}

.download-main h3 {
  font-size: 28px;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.download-lead {
  color: var(--dim);
  margin-bottom: 24px;
  max-width: 40ch;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.btn-lg {
  padding: 14px 22px;
  font-size: 15px;
}

.download-meta {
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--dimmer);
  font-size: 13.5px;
}

.download-meta li {
  padding-left: 18px;
  position: relative;
}

.download-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.85;
}

.download-aside h4 {
  font-size: 15px;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.download-steps {
  margin: 0 0 20px 18px;
  color: var(--dim);
  font-size: 14.5px;
  display: grid;
  gap: 10px;
}

.download-steps code {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  color: var(--teal);
  background: rgba(19, 184, 164, 0.1);
  padding: 1px 6px;
  border-radius: 4px;
}

.download-free-tip {
  font-size: 13.5px;
  color: var(--dim);
  line-height: 1.55;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.download-free-tip a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.download-alt {
  margin-top: 22px;
  text-align: center;
  color: var(--dimmer);
  font-size: 13.5px;
}

.download-alt code {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  color: var(--dim);
}

.download-alt a {
  color: var(--teal);
}

/* how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 800px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px;
}

.step-card .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--teal-tint);
  color: var(--teal);
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--dim);
  font-size: 14.5px;
}

.step-card code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 13px;
}

/* features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.feature-card:hover {
  border-color: rgba(19, 184, 164, 0.4);
  transform: translateY(-2px);
}

.feature-card .icon {
  font-size: 22px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 15.5px;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--dim);
  font-size: 14px;
}

/* examples */
.example-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

@media (max-width: 800px) {
  .example-grid {
    grid-template-columns: 1fr;
  }
}

.example-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 22px;
}

.example-card .instr {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  background: var(--teal-tint);
  border-radius: 999px;
  padding: 5px 11px;
  margin-bottom: 14px;
}

.example-card .row {
  margin-bottom: 10px;
  font-size: 14px;
}

.example-card .row .label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dimmer);
  margin-bottom: 4px;
}

.example-card .row.input {
  color: var(--dim);
}

.example-card .row.output {
  color: var(--text);
  border-left: 2px solid var(--teal);
  padding-left: 12px;
}

.example-note {
  text-align: center;
  color: var(--dimmer);
  font-size: 13px;
  margin-top: 20px;
}

/* comparison table */
.compare-scroll {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 720px;
}

table.compare th,
table.compare td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.compare th {
  background: var(--panel-2);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dim);
}

table.compare td:first-child,
table.compare th:first-child {
  white-space: normal;
  color: var(--dim);
  font-weight: 500;
}

table.compare th.highlight {
  color: var(--teal);
}

table.compare td.highlight-col {
  background: rgba(19, 184, 164, 0.07);
}

table.compare tr:last-child td {
  border-bottom: none;
}

.yes {
  color: var(--teal);
  font-weight: 700;
}

.no {
  color: var(--dimmer);
}

.partial {
  color: var(--amber);
}

.compare-note {
  text-align: center;
  color: var(--dimmer);
  font-size: 13px;
  margin-top: 18px;
}

/* pricing */
.pricing-band {
  background: linear-gradient(135deg, var(--teal-tint), var(--panel));
  border: 1px solid rgba(19, 184, 164, 0.35);
  border-radius: var(--radius-lg);
  padding: 44px;
  text-align: center;
}

.pricing-band .big {
  font-size: clamp(38px, 6vw, 58px);
  font-weight: 800;
  color: var(--teal);
  letter-spacing: -0.02em;
}

.pricing-band p {
  color: var(--dim);
  max-width: 520px;
  margin: 14px auto 0;
}

/* faq */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  padding: 20px 4px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.faq-item .plus {
  color: var(--teal);
  font-size: 20px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.faq-item.open .plus {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  color: var(--dim);
  font-size: 14.5px;
}

.faq-answer p {
  padding: 0 4px 20px;
}

/* final cta */
.cta-band {
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(26px, 3.6vw, 38px);
  margin-bottom: 14px;
}

.cta-band p {
  color: var(--dim);
  margin-bottom: 28px;
}

.cta-band .hero-ctas {
  justify-content: center;
}

/* footer */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--dimmer);
  font-size: 13.5px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

footer .foot-links {
  display: flex;
  gap: 18px;
}

footer a:hover {
  color: var(--dim);
}