:root {
  --bg: #0a0f1d;
  --bg-elev: #111828;
  --bg-card: #141c2e;
  --border: #1e2a42;
  --border-strong: #2a3a58;
  --ink: #e8edf8;
  --ink-muted: #9aa6c2;
  --accent: #5eead4;
  --accent-strong: #2dd4bf;
  --accent-ink: #042f2e;
  --coral: #fb7185;
  --radius: 14px;
  --radius-lg: 22px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(94, 234, 212, 0.08), transparent 60%),
    radial-gradient(1000px 500px at 110% 0%, rgba(251, 113, 133, 0.05), transparent 60%),
    var(--bg);
  min-height: 100vh;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.8rem;
}

h3 {
  font-size: 1.12rem;
  font-weight: 600;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: rgba(10, 15, 29, 0.7);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-mark {
  color: var(--accent);
  font-size: 1.4rem;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--ink);
}

.lang-toggle {
  display: inline-flex;
  padding: 2px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--bg-elev);
}

.lang-btn {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0.25rem 0.6rem;
  color: var(--ink-muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
}

.lang-btn.is-active {
  background: var(--accent);
  color: var(--accent-ink);
}

.hero {
  padding-top: 1rem;
}

.hero-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1.2rem;
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid rgba(94, 234, 212, 0.2);
  border-radius: 999px;
}

.lede {
  max-width: 640px;
  margin: 1.2rem auto 1.6rem;
  color: var(--ink-muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--ink);
  cursor: pointer;
  transition: all 150ms ease;
  font-family: inherit;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

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

.btn-primary:hover {
  background: var(--accent-strong);
  color: var(--accent-ink);
  border-color: var(--accent-strong);
}

.btn-ghost {
  background: transparent;
}

.btn-lg {
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
}

.hero-video {
  margin: 0 auto;
  max-width: 760px;
}

.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background:
    linear-gradient(135deg, rgba(94, 234, 212, 0.06), rgba(251, 113, 133, 0.04)),
    var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.video-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(94, 234, 212, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(94, 234, 212, 0.45);
  }
  70% {
    box-shadow: 0 0 0 18px rgba(94, 234, 212, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(94, 234, 212, 0);
  }
}

.video-caption {
  position: absolute;
  bottom: 1rem;
  left: 1.2rem;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin: 0;
}

.pillars {
  background: linear-gradient(180deg, transparent, rgba(17, 24, 40, 0.6) 40%, transparent);
}

.section-lede {
  color: var(--ink-muted);
  max-width: 720px;
  margin: 0 0 3rem;
  font-size: 1.05rem;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.pillar {
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: border-color 150ms ease, transform 150ms ease;
}

.pillar:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.pillar-tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  color: var(--accent-ink);
  background: var(--accent);
  margin-bottom: 0.8rem;
}

.pillar-tag-24 {
  background: #60a5fa;
  color: #0a192f;
}

.pillar-tag-recovery {
  background: #fbbf24;
  color: #3f2a00;
}

.pillar-tag-reactivation {
  background: var(--coral);
  color: #3a0a17;
}

.pillar h3 {
  margin-bottom: 0.4rem;
}

.pillar p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

.how {
  background: rgba(17, 24, 40, 0.3);
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  counter-reset: none;
}

.steps li {
  padding: 1.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.step-num {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.steps h3 {
  margin: 0.4rem 0 0.4rem;
}

.steps p {
  color: var(--ink-muted);
  margin: 0;
  font-size: 0.95rem;
}

.try-it {
  background: linear-gradient(180deg, rgba(94, 234, 212, 0.04), transparent 40%);
}

.try-subhead {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.try-note {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0 0 1.1rem;
  max-width: 640px;
  line-height: 1.55;
}

.preset-grid-solo {
  grid-template-columns: minmax(260px, 520px);
}

.design-label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  max-width: 640px;
}

.design-label span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.design-label input {
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.95rem;
}

.design-label input:focus {
  outline: none;
  border-color: var(--accent);
}

.design-hint {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
  line-height: 1.45;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.try-panel {
  display: block;
}

.try-panel + .try-panel {
  margin-top: 2.8rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--border);
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.preset-btn {
  appearance: none;
  text-align: left;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  display: grid;
  gap: 0.25rem;
  transition: border-color 150ms ease, transform 150ms ease;
}

.preset-btn:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.preset-btn.is-playing {
  border-color: var(--accent);
  background: rgba(94, 234, 212, 0.08);
}

.preset-btn.is-loading {
  opacity: 0.6;
  cursor: wait;
}

.preset-flag {
  font-size: 1.2rem;
}

.preset-name {
  font-weight: 600;
  font-size: 1rem;
}

.preset-desc {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.try-audio {
  display: block;
  width: 100%;
  margin-top: 0.4rem;
  background: var(--bg-elev);
  border-radius: 10px;
}

.try-status {
  margin: 0.6rem 0 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
  min-height: 1.2em;
}

.try-status.is-err {
  color: var(--coral);
}

.try-status.is-ok {
  color: var(--accent);
}

.clone-steps {
  list-style: none;
  counter-reset: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.clone-steps li {
  padding: 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.clone-step-head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.4rem;
}

.clone-step-num {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.clone-steps h3 {
  margin: 0;
  font-size: 1.05rem;
}

.clone-hint {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin: 0 0 0.8rem;
}

.clone-controls {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.clone-btn {
  appearance: none;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 150ms ease, background 150ms ease;
}

.clone-btn:hover:not(:disabled) {
  border-color: var(--accent);
}

.clone-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.clone-btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.clone-btn-primary:hover:not(:disabled) {
  background: var(--accent-strong);
}

.record-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  display: inline-block;
}

.clone-btn.is-recording .record-dot {
  animation: record-pulse 1.2s infinite;
}

@keyframes record-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.record-timer {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.clone-playback {
  margin-top: 0.8rem;
}

#clone-text {
  width: 100%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.98rem;
  margin-bottom: 0.8rem;
}

#clone-text:focus {
  outline: none;
  border-color: var(--accent);
}

.clone-privacy {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-style: italic;
}

.pricing .section-inner {
  max-width: 820px;
}

.pricing-card {
  margin-top: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  display: grid;
  gap: 1.2rem;
}

.pricing-line {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.3rem 0.8rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px dashed var(--border);
}

.pricing-line:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.pricing-amount {
  font-size: clamp(1.8rem, 3.4vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.pricing-period {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  font-size: 0.88rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.pricing-note {
  grid-column: 1 / -1;
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

.pricing-footnote {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
  font-style: italic;
}

.pricing-placeholder {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-style: italic;
}

.proof {
  background: rgba(17, 24, 40, 0.3);
}

.proof .section-inner {
  max-width: 760px;
}

.proof p {
  color: var(--ink-muted);
  font-size: 1.05rem;
  margin: 0;
}

.economics .econ-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.econ-card {
  padding: 1.8rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.econ-us {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(94, 234, 212, 0.18);
}

.econ-kicker {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.econ-them .econ-kicker {
  color: var(--ink-muted);
}

.econ-number {
  font-size: clamp(2.4rem, 4.8vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0.3rem 0 0.1rem;
}

.econ-unit {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.econ-margin {
  font-size: 0.95rem;
  color: var(--ink);
}

.econ-them .econ-margin {
  color: var(--ink-muted);
}

.pilot .section-inner {
  max-width: 760px;
}

.pilot-form {
  display: grid;
  gap: 1rem;
  padding: 2rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.pilot-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.pilot-form label.full {
  grid-column: 1 / -1;
}

.pilot-form input,
.pilot-form select,
.pilot-form textarea {
  appearance: none;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.98rem;
  padding: 0.7rem 0.85rem;
  transition: border-color 150ms ease;
}

.pilot-form input:focus,
.pilot-form select:focus,
.pilot-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.pilot-form textarea {
  resize: vertical;
  min-height: 88px;
}

.pilot-form button[type="submit"] {
  justify-self: start;
}

.form-status {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
  min-height: 1.4em;
}

.form-status.is-ok {
  color: var(--accent);
}

.form-status.is-err {
  color: var(--coral);
}

.footer {
  border-top: 1px solid var(--border);
  background: rgba(10, 15, 29, 0.95);
}

.footer-inner {
  padding: 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 1.4rem;
  align-items: start;
}

.footer-brand {
  font-weight: 700;
  margin-left: 0.4rem;
}

.footer-tag {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin: 0.6rem 0 0;
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.92rem;
}

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

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

.footer-meta {
  color: var(--ink-muted);
  font-size: 0.85rem;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

@media (max-width: 720px) {
  .nav-right {
    gap: 0.8rem;
  }
  .nav-link {
    display: none;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    grid-template-columns: 1fr;
  }
}