/* Landing comercial de vibedom. Tema propio y estable: la estética escaneada
   solo tiñe la demo, no la legibilidad de la página. */

:root {
  --bg: #0a0a0c;
  --bg-soft: #121216;
  --text: #f4f1e8;
  --accent: #d8ff4f;
  --accent-ink: #d8ff4f;
  --violet: #8e7bff;

  /* Derivadas: cambian solas cuando el tema escaneado toca --bg/--text/--accent. */
  --bg-card: color-mix(in srgb, var(--text) 5%, transparent);
  --muted: color-mix(in srgb, var(--text) 70%, var(--bg));
  --accent-soft: color-mix(in srgb, var(--accent) 14%, transparent);
  --on-accent: #0a0a0c;
  --line: color-mix(in srgb, var(--text) 13%, transparent);
  --line-strong: color-mix(in srgb, var(--text) 24%, transparent);
  --sheen-strong: color-mix(in srgb, var(--text) 5.5%, transparent);
  --sheen-soft: color-mix(in srgb, var(--text) 1.8%, transparent);
  --glow-1: rgba(142, 123, 255, 0.2);
  --glow-2: rgba(216, 255, 79, 0.09);
  --header-bg: color-mix(in srgb, var(--bg) 78%, transparent);
  --card-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);

  --radius: 24px;
  --max: 1140px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --seed-accent: #d8ff4f;
  --seed-bg: #121216;
  --seed-accent-ink: #d8ff4f;
  --on-seed-accent: #0a0a0c;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 92% -8%, var(--glow-1), transparent 62%),
    radial-gradient(820px 520px at 4% 2%, var(--glow-2), transparent 58%);
  color: var(--text);
  transition: background-color 0.5s ease, color 0.5s ease;
  font-family: var(--font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: color-mix(in srgb, var(--accent) 55%, transparent);
  color: var(--on-accent);
}

a {
  color: var(--text);
  text-underline-offset: 0.18em;
}

.wrap {
  width: min(100% - 3rem, var(--max));
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

:where(a, button, input, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---- Navegación ---------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  min-height: 4.3rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 16px;
  color: var(--accent);
}

.brand-mark i {
  width: 3px;
  height: 5px;
  border-radius: 2px;
  background: currentColor;
  animation: brand-bar 1.4s ease-in-out infinite alternate;
}

.brand-mark i:nth-child(2) {
  height: 12px;
  animation-delay: -0.5s;
}

.brand-mark i:nth-child(3) {
  height: 8px;
  animation-delay: -1s;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.84rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.35rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.lang-switch:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.8rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease, border-color 0.2s ease,
    background 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-ghost {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
}

/* ---- Hero ---------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: start;
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(3rem, 7vw, 6rem) 3rem;
}

.hero-copy {
  min-width: 0;
}

.eyebrow,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  color: var(--accent-ink);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.badge {
  padding: 0.42rem 0.8rem;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
  border-radius: 999px;
  background: var(--accent-soft);
}

.hero h1 {
  max-width: 13ch;
  margin: 1.25rem 0 1.1rem;
  font-size: clamp(2.6rem, 5.8vw, 4.85rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.lead {
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.12rem);
}

.scan-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  margin-top: 1.8rem;
  padding: 0.4rem;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--bg-card);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.scan-form:focus-within {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line-strong));
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.scan-form input {
  min-width: 0;
  padding: 0.82rem 0.9rem;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.scan-form input::placeholder {
  color: color-mix(in srgb, var(--text) 38%, transparent);
}

.scan-form input:focus {
  outline: none;
}

.scan-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 0;
  border-radius: 13px;
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 750;
  white-space: nowrap;
  cursor: pointer;
  transition: filter 0.2s ease, opacity 0.2s ease;
}

.scan-form button:hover:not(:disabled) {
  filter: brightness(1.06);
}

.scan-form button:disabled {
  opacity: 0.58;
  cursor: wait;
}

.spinner {
  display: none;
  width: 0.85em;
  height: 0.85em;
  border: 2px solid color-mix(in srgb, currentColor 30%, transparent);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.scan-form[aria-busy="true"] .spinner {
  display: inline-block;
}

.hint {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.6rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.8rem;
}

.trust li {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.trust strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
}

/* ---- Panel de análisis --------------------------------------------------- */

.analysis {
  margin-top: 1.1rem;
  padding: 1rem 1.1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(color-mix(in srgb, var(--accent) 7%, transparent), transparent 72%),
    var(--bg-card);
  animation: reveal 0.35s ease both;
}

.analysis.is-done {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.analysis.is-error {
  border-color: color-mix(in srgb, #e5484d 62%, var(--line));
}

.analysis-head {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.analysis-copy {
  flex: 1 1 11rem;
  min-width: 0;
}

.analysis-step {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 650;
}

.analysis-sub {
  min-height: 1.2em;
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.analysis-pulse {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 18px;
  padding-top: 2px;
  color: var(--accent);
}

.analysis-pulse span {
  width: 3px;
  height: 5px;
  border-radius: 2px;
  background: currentColor;
  animation: pulse 0.9s ease-in-out infinite alternate;
}

.analysis-pulse span:nth-child(2) { animation-delay: -0.3s; }
.analysis-pulse span:nth-child(3) { animation-delay: -0.6s; }
.analysis-pulse span:nth-child(4) { animation-delay: -0.15s; }

.analysis.is-done .analysis-pulse span {
  height: 14px;
  animation-play-state: paused;
}

.analysis.is-error .analysis-pulse {
  color: #e5484d;
  opacity: 0.65;
}

.analysis.is-error .analysis-pulse span {
  height: 5px;
  animation-play-state: paused;
}

.analysis-steps {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
}

.analysis-steps li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: color-mix(in srgb, var(--text) 42%, transparent);
  transition: color 0.2s ease;
}

.analysis-steps li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text) 30%, transparent);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.analysis-steps li[data-state="active"] {
  color: var(--text);
}

.analysis-steps li[data-state="active"]::before {
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: dot 1.1s ease-in-out infinite;
}

.analysis-steps li[data-state="done"] {
  color: var(--muted);
}

.analysis-steps li[data-state="done"]::before {
  background: var(--accent);
}

.analysis-track {
  overflow: hidden;
  height: 3px;
  margin-top: 0.9rem;
  border-radius: 999px;
  background: var(--line-strong);
}

.analysis-progress {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 0.18s linear, background 0.3s ease;
}

.analysis.is-error .analysis-progress {
  background: #e5484d;
}

.ghost {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.76rem;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.ghost:hover {
  border-color: var(--accent);
  background: var(--bg-card);
}

/* ---- Demo card ----------------------------------------------------------- */

.demo-card {
  position: sticky;
  top: 5.8rem;
  align-self: start;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(420px 220px at 80% 0%, color-mix(in srgb, var(--seed-accent) 12%, transparent), transparent 70%),
    linear-gradient(180deg, var(--sheen-strong), var(--sheen-soft)),
    var(--bg-soft);
  box-shadow: var(--card-shadow);
  transition: border-color 0.4s ease;
}

.demo-card.is-playing {
  border-color: color-mix(in srgb, var(--seed-accent) 45%, var(--line));
}

.demo-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.demo-head p {
  margin: 0;
}

.demo-eyebrow {
  color: var(--seed-accent-ink);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.demo-vibe {
  overflow: hidden;
  max-width: 55%;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 650;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preset-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.preset {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.74rem;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.preset:hover:not(:disabled) {
  border-color: var(--line-strong);
  color: var(--text);
}

.preset[aria-checked="true"] {
  border-color: color-mix(in srgb, var(--seed-accent) 55%, var(--line));
  background: color-mix(in srgb, var(--seed-accent) 13%, transparent);
  color: var(--text);
}

.preset:disabled {
  opacity: 0.45;
  cursor: wait;
}

.demo-stage {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
}

.demo-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-width: 8.6rem;
  padding: 0.85rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--seed-accent);
  color: var(--on-seed-accent);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 750;
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.2s ease, opacity 0.2s ease;
}

.demo-toggle:hover:not(:disabled) {
  filter: brightness(1.07);
  transform: translateY(-1px);
}

.demo-toggle:disabled {
  opacity: 0.45;
  cursor: wait;
}

.demo-toggle-icon {
  display: inline-flex;
  width: 1rem;
  height: 1rem;
}

.demo-toggle svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.demo-toggle .icon-pause {
  display: none;
}

.demo-toggle[aria-pressed="true"] .icon-play {
  display: none;
}

.demo-toggle[aria-pressed="true"] .icon-pause {
  display: block;
}

.viz {
  display: grid;
  grid-template-rows: minmax(0, 2fr) minmax(0, 1fr);
  gap: 4px;
  min-width: 0;
  height: 92px;
}

.viz canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.demo-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.15rem;
}

.palette {
  display: flex;
  gap: 0.35rem;
  min-height: 1.5rem;
}

.swatch {
  width: 23px;
  height: 23px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.12);
}

.demo-source {
  overflow: hidden;
  max-width: 62%;
  color: var(--muted);
  font-size: 0.72rem;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demo-source:hover {
  color: var(--text);
}

.demo-status {
  min-height: 1.4em;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

/* ---- Secciones ----------------------------------------------------------- */

.section {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

/* Separa bloques con una línea fina en vez de depender solo del aire. */
main > .section {
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin-bottom: 1.7rem;
}

h2 {
  margin: 0.8rem 0 0.7rem;
  font-size: clamp(1.85rem, 3.8vw, 2.9rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.section-lead {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--sheen-strong), var(--sheen-soft));
}

.step-num {
  display: inline-block;
  margin-bottom: 1.4rem;
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
}

.steps h3,
.why-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  letter-spacing: -0.015em;
}

.steps p,
.why-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.why-cards {
  display: grid;
  gap: 0.75rem;
}

.why-card {
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--bg-card);
}

.why-card:nth-child(2) {
  margin-left: clamp(0rem, 3vw, 1.5rem);
}

.why-card:nth-child(3) {
  margin-left: clamp(0rem, 6vw, 3rem);
}

.privacy-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(1.5rem, 3.5vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    radial-gradient(560px 300px at 100% 0%, color-mix(in srgb, var(--violet) 16%, transparent), transparent 70%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 55%),
    var(--bg-card);
}

.privacy-card h2 {
  margin-top: 0.7rem;
}

.privacy-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.privacy-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.privacy-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 800;
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding: clamp(1.6rem, 4vw, 2.8rem);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--line));
  border-radius: 28px;
  background:
    radial-gradient(520px 260px at 88% 20%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
    linear-gradient(135deg, color-mix(in srgb, var(--violet) 12%, transparent), transparent 60%),
    var(--bg-soft);
}

.cta-card > div {
  max-width: 55ch;
}

.cta-card p {
  margin: 0;
}

.cta-card h2 {
  margin-top: 0.7rem;
}

.cta-card p:last-child {
  margin: 0;
  color: var(--muted);
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.faq-list {
  border-top: 1px solid var(--line);
}

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

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.05rem 0;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex: none;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 68ch;
  margin: 0 0 1.15rem;
  color: var(--muted);
  font-size: 0.88rem;
}

/* ---- Pie ----------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem 2.5rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.footer-brand .brand-mark {
  height: 13px;
}

.footer-brand .brand-mark i {
  width: 2.5px;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
}

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

/* ---- Animaciones --------------------------------------------------------- */

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  from { height: 4px; }
  to { height: 17px; }
}

@keyframes dot {
  50% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 8%, transparent); }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}

@keyframes brand-bar {
  from { height: 4px; }
  to { height: 15px; }
}

/* ---- Responsive ---------------------------------------------------------- */

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-top: 3rem;
  }

  .hero h1 {
    max-width: 16ch;
  }

  .demo-card {
    position: static;
    max-width: 620px;
  }

  .why-grid,
  .privacy-card,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .why-card:nth-child(2),
  .why-card:nth-child(3) {
    margin-left: 0;
  }

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

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

  .wrap {
    width: min(100% - 2.2rem, var(--max));
  }

  .nav {
    min-height: 4rem;
  }

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

  .hero {
    padding-top: 2.4rem;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 10vw, 3.4rem);
  }

  .scan-form {
    grid-template-columns: 1fr;
    padding: 0.5rem;
  }

  .scan-form button {
    width: 100%;
  }

  .demo-stage {
    grid-template-columns: 1fr;
  }

  .demo-toggle {
    width: 100%;
  }

  .viz {
    height: 78px;
  }

  .demo-vibe {
    max-width: 48%;
  }

  .cta-card .btn {
    width: 100%;
  }

  .analysis-head {
    gap: 0.65rem;
  }

  .analysis-copy {
    flex-basis: 100%;
    order: 2;
  }

  .analysis-pulse {
    order: 1;
  }

  .analysis-head .ghost {
    order: 3;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}