:root {
  --bg: #0A0B0D;
  --bg2: #111318;
  --dark: #1A1A1A;
  --darker: #000000;
  --accent: #00D4FF;
  --cyan: #00BFFF;
  --border: #2A2A2A;
  --text: #ffffff;
  --muted: #B8C0D0;
  --muted2: #8B96AD;
  --amber: #FFB000;
  --red-soft: #f87171;
  --max: 1140px;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 13, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.2), rgba(255, 255, 255, 0.05));
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.brand-mark span {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-text {
  min-width: 0;
  line-height: 1.2;
}

.brand-name {
  font-weight: 800;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.brand-sub {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted2);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}

.nav-desktop a {
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}

.nav-desktop a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--dark);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle svg {
  width: 22px;
  height: 22px;
}

.nav-mobile {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: rgba(10, 11, 13, 0.98);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px 20px;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile a {
  display: block;
  padding: 12px 0;
  color: var(--muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover {
  color: var(--accent);
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  padding: 110px 20px 80px;
  text-align: center;
  background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.1), transparent 35%);
}

.hero-compact {
  padding: 96px 20px 70px;
}

.eyebrow {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  margin: 12px 0;
  line-height: 1.1;
  font-weight: 800;
}

.lead {
  max-width: 860px;
  margin: 0 auto 20px;
  color: var(--muted);
  line-height: 1.75;
  font-size: clamp(16px, 2.5vw, 19px);
}

.hero-sub {
  max-width: 720px;
  margin: 16px auto 0;
  color: var(--muted2);
  font-size: 15px;
}

.caption {
  color: var(--muted2);
  font-size: 14px;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
  text-align: center;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.25);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-block {
  width: 100%;
}

.btn-outline {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: none;
}

/* Sections */
.section {
  padding: 78px 20px;
}

.section-tight {
  padding-top: 0;
}

.band {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.band-darker {
  background: var(--darker);
}

h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin: 10px 0 18px;
  font-weight: 800;
  line-height: 1.15;
}

h3 {
  font-size: 1.15rem;
  margin: 0 0 8px;
  font-weight: 700;
}

.muted {
  color: var(--muted);
  line-height: 1.8;
}

/* Grid */
.grid {
  display: grid;
  gap: 22px;
}

.g2 {
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.9fr);
}

.g3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.g2-equal {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (max-width: 900px) {
  .g2 {
    grid-template-columns: 1fr;
  }
}

/* Cards */
.card,
.preview,
.form-panel {
  background: var(--dark);
  border: 1px solid var(--border);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.preview {
  padding: 0;
  overflow: hidden;
}

.trust {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.trust .item {
  background: var(--bg2);
  padding: 22px;
}

.thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(180deg, #1a2130, #12161d);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.meta {
  padding: 18px;
}

.pillrow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 20px;
}

.pill {
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  color: var(--muted2);
  font-size: 13px;
}

.note {
  border-left: 3px solid var(--amber);
  padding: 18px 20px;
  background: rgba(255, 176, 0, 0.06);
  border-radius: 8px;
}

.notice {
  border-left: 3px solid var(--accent);
  padding: 18px 20px;
  background: rgba(0, 212, 255, 0.06);
  border-radius: 8px;
  margin-bottom: 22px;
}

.notice strong {
  color: var(--text);
}

/* Guardrails */
.guardrails-panel {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.guardrails-panel h2 {
  margin-top: 0;
}

.guard-col h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.guard-col.do-not h3 {
  color: var(--red-soft);
}

.guard-col.do h3 {
  color: var(--accent);
}

.guard-col ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.guard-col li {
  margin-bottom: 8px;
}

.guardrails-foot {
  margin-top: 24px;
  font-weight: 600;
  color: var(--text);
}

/* Credibility */
.cred-panel {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.signal-card {
  background: var(--darker);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.signal-card h3 {
  color: var(--text);
  margin-bottom: 8px;
}

.cred-foot {
  margin-top: 24px;
  font-weight: 600;
}

/* Form */
.form-head {
  margin-bottom: 18px;
}

label {
  display: block;
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  padding: 14px;
  margin: 0 0 16px;
  background: #0f1115;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
}

.two-up {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 760px) {
  .two-up {
    grid-template-columns: 1fr;
  }
}

.mini-list {
  display: grid;
  gap: 14px;
}

.mini-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.mini-item:last-child {
  border-bottom: none;
}

.kicker {
  display: block;
  color: var(--text);
  font-weight: 700;
  margin-bottom: 4px;
}

.back-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--muted2);
  font-size: 14px;
}

.back-link:hover {
  color: var(--text);
}

.form-success {
  display: none;
  padding: 20px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius);
  background: rgba(0, 212, 255, 0.08);
  margin-top: 16px;
}

.form-success.visible {
  display: block;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 16px;
}

.checkbox-row input {
  width: auto;
  margin: 4px 0 0;
}

.checkbox-row label {
  margin: 0;
  font-weight: 400;
  font-size: 14px;
  color: var(--muted);
}

/* Footer */
.foot {
  padding: 48px 20px;
  border-top: 1px solid var(--border);
  background: var(--darker);
}

.foot-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.foot-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-links a {
  color: var(--muted);
  font-size: 14px;
}

.foot-links a:hover {
  color: var(--accent);
}

/* Reveal animation */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}

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