:root {
  --bg: #0a0a0f;
  --bg-deep: #08090d;
  --bg-strong: #12121a;
  --surface: rgba(18, 18, 26, 0.82);
  --surface-strong: rgba(30, 30, 42, 0.92);
  --surface-dark: #05070b;
  --ink: #f8fafc;
  --ink-soft: #e2e8f0;
  --muted: #94a3b8;
  --muted-strong: #cbd5e1;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --accent: #10b981;
  --accent-dark: #34d399;
  --accent-soft: rgba(16, 185, 129, 0.12);
  --accent-gold: #f59e0b;
  --info: #06b6d4;
  --info-soft: rgba(6, 182, 212, 0.12);
  --success: #34d399;
  --danger: #fb7185;
  --shadow-sm: 0 12px 28px rgba(2, 6, 23, 0.18);
  --shadow: 0 20px 52px rgba(2, 6, 23, 0.26);
  --shadow-lg: 0 28px 72px rgba(2, 6, 23, 0.32);
  --radius-xl: 36px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Archivo", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 14%, rgba(16, 185, 129, 0.14), transparent 24%),
    radial-gradient(circle at 88% 18%, rgba(6, 182, 212, 0.12), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.08), transparent 32%),
    linear-gradient(180deg, #090a0e 0%, var(--bg) 48%, #06070b 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -2;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(20px);
  opacity: 0.55;
}

body::before {
  top: 72px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: rgba(16, 185, 129, 0.18);
}

body::after {
  left: -120px;
  bottom: 10%;
  width: 340px;
  height: 340px;
  background: rgba(6, 182, 212, 0.16);
}

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

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

.page-shell {
  position: relative;
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 20px 0 56px;
}

.page-shell::before {
  content: "";
  position: absolute;
  inset: 80px 0 auto;
  height: 720px;
  z-index: -1;
  border-radius: 48px;
  background:
    linear-gradient(180deg, rgba(30, 41, 59, 0.14), rgba(10, 10, 15, 0)),
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(16, 185, 129, 0.08));
  opacity: 0.8;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 16px 20px;
  margin-bottom: 34px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(30, 30, 42, 0.94), rgba(18, 18, 26, 0.86)),
    rgba(18, 18, 26, 0.8);
  box-shadow: 0 12px 32px rgba(2, 6, 23, 0.3);
  -webkit-backdrop-filter: blur(22px) saturate(135%);
  backdrop-filter: blur(22px) saturate(135%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  height: 54px;
  padding: 0 14px;
  border-radius: 17px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 55%),
    linear-gradient(135deg, #0f172a 0%, #111827 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 12px 28px rgba(2, 6, 23, 0.28);
  color: #f8fafc;
  font: 800 0.95rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.12em;
}

.footer-brand-name {
  margin: 0;
  color: var(--ink-soft);
  font: 700 1rem/1.3 "Archivo", system-ui, sans-serif;
  letter-spacing: -0.005em;
}

.brand-copy {
  font: 700 0.95rem/1.2 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  position: relative;
  transition: color 180ms ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
  opacity: 0.45;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink-soft);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  white-space: nowrap;
}

.nav-cta:hover,
.nav-cta:focus-visible {
  border-color: rgba(16, 185, 129, 0.2);
  background:
    linear-gradient(180deg, rgba(16, 185, 129, 0.12), rgba(255, 255, 255, 0.03)),
    rgba(16, 185, 129, 0.08);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

.hero,
.whitelist-section {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(320px, 0.84fr);
  gap: 28px;
}

.hero {
  align-items: stretch;
  padding: 22px 0 18px;
}

.hero-copy,
.hero-panel,
.problem-strip,
.section,
.footer,
.comparison-section,
.timeline-section,
.mockup-shell {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(16px) saturate(130%);
  backdrop-filter: blur(16px) saturate(130%);
  overflow: hidden;
}

.hero-copy::before,
.hero-panel::before,
.problem-strip::before,
.section::before,
.footer::before,
.comparison-section::before,
.timeline-section::before,
.mockup-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 24%);
  pointer-events: none;
}

.hero-copy {
  padding: 48px;
  background:
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.14), transparent 28%),
    linear-gradient(180deg, rgba(30, 30, 42, 0.94), rgba(18, 18, 26, 0.84)),
    var(--surface);
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -28px;
  top: 28px;
  width: 140px;
  height: 140px;
  border-radius: 28px;
  border: 1px solid rgba(6, 182, 212, 0.12);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.08), rgba(16, 185, 129, 0.02));
  transform: rotate(16deg);
  pointer-events: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--accent-dark);
  font: 700 0.78rem/1 "Archivo", system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: "Archivo", system-ui, sans-serif;
}

h1 {
  max-width: 11ch;
  font-size: clamp(3.1rem, 6.8vw, 5.8rem);
  line-height: 0.93;
  letter-spacing: -0.06em;
  text-wrap: balance;
  overflow-wrap: break-word;
  word-break: break-word;
}

.hero-text,
.section-heading p,
.benefit-card p,
.step-card p,
.problem-card p,
.insight-card p,
.faq-item p,
.whitelist-copy p,
.panel-card p,
.form-header p,
.form-support,
.form-meta,
.footer-copy,
.comparison-card p,
.mockup-card p,
.timeline-item p,
.stat-card p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 60ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0 28px;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 700 0.98rem/1 "Archivo", system-ui, sans-serif;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

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

.button:focus-visible,
.nav a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.faq-item summary:focus-visible {
  outline: none;
}

.button-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 36%),
    linear-gradient(135deg, #10b981 0%, #34d399 100%);
  color: #f8fafc;
  box-shadow: 0 18px 40px rgba(16, 185, 129, 0.28);
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 22px 48px rgba(16, 185, 129, 0.34);
}

.button-primary:focus-visible {
  box-shadow:
    0 0 0 4px rgba(16, 185, 129, 0.16),
    0 22px 48px rgba(16, 185, 129, 0.34);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.button-secondary:focus-visible {
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.12);
}

.hero-points,
.whitelist-list,
.feature-list,
.comparison-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-points li,
.whitelist-list li,
.feature-list li,
.comparison-list li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-soft);
  line-height: 1.55;
}

.hero-points li::before,
.whitelist-list li::before,
.feature-list li::before,
.comparison-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--info) 100%);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.08);
}

.hero-panel {
  padding: 22px;
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(30, 30, 42, 0.96), rgba(18, 18, 26, 0.86)),
    linear-gradient(135deg, rgba(6, 182, 212, 0.08), transparent 55%);
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.panel-card,
.problem-card,
.benefit-card,
.insight-card,
.step-card,
.faq-item,
.policy-card,
.comparison-card,
.mockup-card,
.timeline-item,
.stat-card {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    rgba(18, 18, 26, 0.78);
  box-shadow: var(--shadow-sm);
}

.panel-card::after,
.problem-card::after,
.benefit-card::after,
.insight-card::after,
.step-card::after,
.comparison-card::after,
.mockup-card::after,
.timeline-item::after,
.stat-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0), rgba(6, 182, 212, 0.22), rgba(16, 185, 129, 0));
}

.panel-highlight {
  min-height: 220px;
  border-color: rgba(16, 185, 129, 0.32);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.38), transparent 48%),
    radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.22), transparent 54%),
    linear-gradient(160deg, #0d1a22 0%, #0a1418 60%, #081014 100%);
  color: #f8fafc;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 22px 56px rgba(2, 6, 23, 0.38);
}

.panel-highlight .panel-label {
  color: var(--accent-dark);
  opacity: 0.95;
}

.panel-highlight p {
  color: rgba(226, 232, 240, 0.92);
}

.panel-label,
.panel-kicker,
.benefit-index,
.step-number,
.timeline-kicker,
.stat-label,
.comparison-kicker {
  font: 700 0.78rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-highlight h2 {
  margin: 14px 0 14px;
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.problem-strip,
.section,
.footer,
.comparison-section,
.timeline-section,
.mockup-shell {
  margin-top: 28px;
  padding: 38px;
}

.problem-strip {
  background:
    linear-gradient(160deg, rgba(18, 18, 26, 0.92), rgba(30, 30, 42, 0.88)),
    var(--surface);
}

.strip-intro,
.section-heading {
  position: relative;
  z-index: 1;
}

.strip-intro h2,
.section-heading h2,
.whitelist-copy h2 {
  max-width: 18ch;
  font-size: clamp(2.1rem, 3.6vw, 3.7rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.section-heading p,
.whitelist-copy p {
  max-width: 60ch;
}

.problem-grid,
.benefit-grid,
.insight-grid,
.comparison-grid,
.stats-grid,
.founder-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.benefit-grid,
.founder-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.problem-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.insight-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.problem-card h3,
.benefit-card h3,
.insight-card h3,
.step-card h3,
.form-header h3,
.comparison-card h3,
.mockup-card h3,
.timeline-item h3,
.stat-card h3 {
  margin-bottom: 10px;
  font-size: 1.16rem;
  line-height: 1.2;
}

.problem-card,
.benefit-card,
.step-card,
.comparison-card,
.timeline-item,
.mockup-card,
.experience-card {
  overflow: hidden;
}

.benefit-card,
.step-card {
  min-height: 100%;
}

.benefit-card::before,
.step-card::before,
.comparison-card::before,
.timeline-item::before,
.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.96), rgba(6, 182, 212, 0.9));
}

.benefit-index,
.step-number {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--accent-dark);
}

.section-alt {
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.08), transparent 26%),
    linear-gradient(180deg, rgba(18, 18, 26, 0.88), rgba(10, 10, 15, 0.82)),
    var(--surface);
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.insight-section {
  background:
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(18, 18, 26, 0.9), rgba(10, 10, 15, 0.82));
}

.experience-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.experience-card {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    rgba(18, 18, 26, 0.8);
  box-shadow: var(--shadow-sm);
}

.experience-before::before,
.experience-after::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.94), rgba(251, 191, 36, 0.86));
}

.experience-card h3 {
  margin: 8px 0 16px;
  font-size: 1.4rem;
}

.method-section {
  display: grid;
  gap: 8px;
}

.method-quote {
  margin: 28px 0 8px;
  padding: 30px 34px;
  text-align: center;
}

.method-quote-text {
  margin: 0 0 10px;
  font: 700 clamp(1.25rem, 2.2vw, 1.6rem)/1.35 "Archivo", system-ui, sans-serif;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.method-quote-author {
  margin: 0;
  font-size: 0.92rem;
  opacity: 0.85;
}

.whitelist-section {
  align-items: start;
}

.whitelist-copy {
  position: relative;
  padding: 10px 8px 0 0;
}

.whitelist-copy::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 34px;
  width: 110px;
  height: 110px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.12), rgba(16, 185, 129, 0.08));
  transform: rotate(12deg);
  pointer-events: none;
}

.whitelist-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 8px 14px 8px 10px;
  border: 1px solid rgba(245, 158, 11, 0.32);
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.10);
  color: var(--accent-gold);
  font: 700 0.76rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.whitelist-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.22);
  animation: pulse-urgency 2.2s ease-in-out infinite;
}

@keyframes pulse-urgency {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(0.82);
  }
}

.whitelist-heading {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.whitelist-accent {
  position: relative;
  display: inline-block;
  padding: 0 2px;
  font-weight: 800;
  font-style: italic;
  background: linear-gradient(135deg, var(--accent) 0%, var(--info) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.whitelist-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--info) 100%);
  opacity: 0.55;
}

.whitelist-sub {
  margin: 18px 0 0;
}

.whitelist-offer {
  margin-top: 26px;
  padding: 22px 24px;
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.10), transparent 55%),
    linear-gradient(180deg, rgba(16, 185, 129, 0.05), rgba(6, 182, 212, 0.02)),
    rgba(18, 18, 26, 0.6);
  box-shadow: var(--shadow-sm);
}

.whitelist-offer-label {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font: 700 0.76rem/1.2 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.whitelist-offer .whitelist-list {
  gap: 12px;
}

.whitelist-offer .whitelist-list li strong {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.005em;
}

@media (max-width: 560px) {
  .whitelist-offer {
    padding: 18px 18px;
  }

  .whitelist-offer-label {
    letter-spacing: 0.08em;
  }
}

.form-support-urgent {
  color: var(--accent-dark);
  font-weight: 600;
}

.whitelist-form {
  position: relative;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(30, 30, 42, 0.96), rgba(18, 18, 26, 0.92)),
    var(--surface-strong);
  box-shadow: 0 18px 44px rgba(2, 6, 23, 0.26);
}

.whitelist-form::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(16, 185, 129, 0.14));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0 18px;
}

.form-optional-section {
  margin-top: 8px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.form-optional-section .form-grid {
  margin-top: 4px;
  margin-bottom: 0;
}

.form-optional-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.form-optional-label span {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-weight: 600;
}

label span {
  font-size: 0.95rem;
}

input,
select,
textarea {
  width: 100%;
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03)),
    #1a1a24;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

textarea {
  min-height: 120px;
  padding: 14px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

input:hover,
select:hover,
textarea:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow:
    0 0 0 4px rgba(16, 185, 129, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.checkbox {
  grid-template-columns: 20px 1fr;
  align-items: start;
  gap: 12px;
  margin-top: 16px;
  font-weight: 500;
}

.checkbox a,
.footer-links a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.checkbox input {
  min-height: 20px;
  height: 20px;
  margin-top: 2px;
}

.field-hidden {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-button {
  width: 100%;
  margin-top: 24px;
}

.form-support,
.form-meta,
.form-feedback {
  margin: 12px 0 0;
  font-size: 0.94rem;
}

.form-feedback {
  min-height: 24px;
  font-weight: 600;
}

.form-feedback[data-state="info"] {
  color: var(--muted-strong);
}

.form-feedback.is-success {
  color: var(--success);
}

.form-feedback.is-error {
  color: var(--danger);
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 22px 60px 22px 22px;
  font: 700 1.05rem/1.3 "Archivo", system-ui, sans-serif;
}

.faq-item summary:focus-visible {
  box-shadow: inset 0 0 0 1px rgba(6, 182, 212, 0.24);
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 182, 212, 0.12);
  color: var(--info);
  font-weight: 800;
}

.faq-item[open] summary::after {
  content: "-";
}

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

.faq-item p {
  margin: 0;
  padding: 0 22px 22px;
}

.footer {
  display: grid;
  grid-template-columns: 0.8fr 1fr auto;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
  background:
    linear-gradient(180deg, rgba(18, 18, 26, 0.94), rgba(10, 10, 15, 0.86)),
    var(--surface);
}

.footer p {
  margin: 0;
}

.footer-premium {
  align-items: start;
}

.footer-brand-block,
.footer-column {
  display: grid;
  gap: 10px;
}

.footer-title {
  font: 700 0.94rem/1.2 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
}

.thank-you-shell {
  min-height: 100vh;
}

.thank-you-hero {
  padding-top: 48px;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.policy-card h2 {
  margin-bottom: 10px;
  font-size: 1.18rem;
}

.policy-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.comparison-section,
.timeline-section,
.mockup-shell {
  background:
    linear-gradient(180deg, rgba(18, 18, 26, 0.92), rgba(10, 10, 15, 0.86)),
    var(--surface);
}

.stat-card strong {
  display: block;
  margin-bottom: 8px;
  font: 700 1.1rem/1.2 "Archivo", system-ui, sans-serif;
}

.comparison-section {
  display: grid;
  gap: 26px;
}

.comparison-card.is-featured {
  background:
    linear-gradient(180deg, rgba(6, 182, 212, 0.12), rgba(18, 18, 26, 0.86)),
    rgba(18, 18, 26, 0.84);
  border-color: rgba(6, 182, 212, 0.2);
}

.comparison-list li.is-muted::before,
.feature-list li.is-muted::before {
  background: rgba(148, 163, 184, 0.3);
  box-shadow: none;
}

.timeline {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.timeline-kicker {
  color: var(--accent-dark);
}

.mockup-shell {
  display: grid;
  gap: 22px;
}

.mockup-frame {
  position: relative;
  min-height: 360px;
  border-radius: calc(var(--radius-xl) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(5, 7, 11, 0.98), rgba(15, 23, 42, 0.92)),
    var(--surface-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 18px 42px rgba(2, 6, 23, 0.28);
  overflow: hidden;
}

.mockup-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.12), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%);
  pointer-events: none;
}

#edn-sticky-cta {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(30, 30, 42, 0.96), rgba(18, 18, 26, 0.92)),
    rgba(18, 18, 26, 0.92);
  color: var(--ink);
  box-shadow: 0 16px 40px rgba(2, 6, 23, 0.26);
  -webkit-backdrop-filter: blur(18px) saturate(125%);
  backdrop-filter: blur(18px) saturate(125%);
}

#edn-sticky-cta.is-visible {
  display: flex;
}

#edn-sticky-cta p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.3;
}

#edn-sticky-cta button {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 22px rgba(16, 185, 129, 0.24);
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

#edn-sticky-cta button:hover,
#edn-sticky-cta button:focus-visible {
  box-shadow: 0 14px 28px rgba(16, 185, 129, 0.28);
  filter: brightness(1.02);
}

#edn-sticky-cta button:active {
  transform: scale(0.98);
}

#edn-sticky-cta button:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 4px rgba(16, 185, 129, 0.14),
    0 14px 28px rgba(16, 185, 129, 0.28);
}

@media (min-width: 961px) {
  #edn-sticky-cta {
    left: auto;
    right: 24px;
    bottom: 24px;
    width: min(360px, calc(100vw - 48px));
  }
}

.mockup-screen {
  position: absolute;
  inset: 18px;
  border-radius: 24px;
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(18, 18, 26, 0.98), rgba(26, 26, 36, 0.94)),
    #12121a;
}

.mockup-screen::before {
  content: "";
  display: block;
  width: 84px;
  height: 8px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.metric-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.12);
  color: #67e8f9;
  font: 700 0.82rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stats-grid {
  margin-top: 18px;
}

.stat-card h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}


@media (max-width: 1080px) {
  .hero,
  .whitelist-section,
  .benefit-grid,
  .comparison-grid,
  .footer,
  .experience-compare,
  .founder-grid {
    grid-template-columns: 1fr;
  }

  .panel-grid,
  .insight-grid,
  .steps,
  .form-grid,
  .policy-grid,
  .stats-grid,
  .mockup-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 10px;
    padding-bottom: 108px;
  }

  .page-shell::before {
    inset: 72px 0 auto;
    height: 520px;
    border-radius: 30px;
  }

  .topbar {
    border-radius: 28px;
    padding: 14px 18px;
  }

  .nav {
    gap: 10px;
  }

  .nav > a:not(.nav-cta) {
    display: none;
  }

  .brand-copy {
    display: none;
  }

  .hero-copy,
  .problem-strip,
  .section,
  .footer,
  .whitelist-form,
  .comparison-section,
  .timeline-section,
  .mockup-shell {
    padding: 24px;
  }

  .hero-copy::after,
  .whitelist-copy::after {
    display: none;
  }

  .panel-grid,
  .problem-grid,
  .benefit-grid,
  .insight-grid,
  .steps,
  .form-grid,
  .policy-grid,
  .comparison-grid,
  .stats-grid,
  .mockup-grid,
  .founder-grid,
  .experience-compare {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.8rem, 12vw, 4.4rem);
  }

  .strip-intro h2,
  .section-heading h2,
  .whitelist-copy h2 {
    max-width: 100%;
  }

}

@media (max-width: 560px) {
  .brand {
    align-items: flex-start;
  }

  .brand-copy {
    max-width: 14ch;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  .nav-cta {
    width: 100%;
  }

  .faq-item summary {
    padding-right: 54px;
  }

}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Theme toggle button ──────────────────────────────────────────── */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition:
    color 180ms ease,
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.12);
}

.theme-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.14);
}

.theme-icon {
  width: 17px;
  height: 17px;
  display: block;
}

/* dark mode (default): show sun, hide moon */
.theme-icon-moon {
  display: none;
}

/* light mode: show moon, hide sun */
[data-theme="light"] .theme-icon-sun {
  display: none;
}

[data-theme="light"] .theme-icon-moon {
  display: block;
}

/* ── Light mode ───────────────────────────────────────────────────── */

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-deep: #f1f5f9;
  --bg-strong: #ffffff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: rgba(248, 250, 252, 0.96);
  --surface-dark: #e2e8f0;
  --ink: #0f172a;
  --ink-soft: #1e293b;
  --muted: #64748b;
  --muted-strong: #475569;
  --line: rgba(0, 0, 0, 0.07);
  --line-strong: rgba(0, 0, 0, 0.12);
  --accent: #059669;
  --accent-dark: #10b981;
  --accent-soft: rgba(16, 185, 129, 0.10);
  --accent-gold: #d97706;
  --info: #0891b2;
  --info-soft: rgba(8, 145, 178, 0.10);
  --success: #059669;
  --danger: #e11d48;
  --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 24px 72px rgba(15, 23, 42, 0.14);
}

[data-theme="light"] body {
  background:
    radial-gradient(circle at 12% 14%, rgba(16, 185, 129, 0.08), transparent 24%),
    radial-gradient(circle at 88% 18%, rgba(6, 182, 212, 0.07), transparent 22%),
    radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.05), transparent 32%),
    linear-gradient(180deg, #f8fafc 0%, #f1f5f9 48%, #edf2f7 100%);
}

[data-theme="light"] body::before {
  background: rgba(16, 185, 129, 0.10);
  opacity: 0.4;
}

[data-theme="light"] body::after {
  background: rgba(6, 182, 212, 0.09);
  opacity: 0.4;
}

[data-theme="light"] .page-shell::before {
  background:
    linear-gradient(180deg, rgba(203, 213, 225, 0.10), rgba(241, 245, 249, 0)),
    linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(16, 185, 129, 0.05));
  opacity: 0.5;
}

[data-theme="light"] .topbar {
  border-color: rgba(0, 0, 0, 0.07);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(248, 250, 252, 0.93)),
    rgba(248, 250, 252, 0.88);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .theme-toggle:hover,
[data-theme="light"] .theme-toggle:focus-visible {
  background: rgba(0, 0, 0, 0.07);
}

[data-theme="light"] .nav-cta {
  border-color: rgba(0, 0, 0, 0.09);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.02)),
    rgba(0, 0, 0, 0.03);
  color: var(--ink-soft);
  box-shadow: none;
}

[data-theme="light"] .nav-cta:hover,
[data-theme="light"] .nav-cta:focus-visible {
  border-color: rgba(5, 150, 105, 0.25);
  background:
    linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(0, 0, 0, 0.02)),
    rgba(16, 185, 129, 0.06);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.08);
}

/* large container shimmer — softer on light */
[data-theme="light"] .hero-copy::before,
[data-theme="light"] .hero-panel::before,
[data-theme="light"] .problem-strip::before,
[data-theme="light"] .section::before,
[data-theme="light"] .footer::before,
[data-theme="light"] .comparison-section::before,
[data-theme="light"] .timeline-section::before,
[data-theme="light"] .mockup-shell::before {
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.015), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 24%);
}

[data-theme="light"] .hero-copy {
  background:
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.07), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.92)),
    var(--surface);
}

[data-theme="light"] .hero-panel {
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.07), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.92)),
    linear-gradient(135deg, rgba(6, 182, 212, 0.05), transparent 55%);
}

/* cards */
[data-theme="light"] .panel-card:not(.panel-highlight),
[data-theme="light"] .problem-card,
[data-theme="light"] .benefit-card,
[data-theme="light"] .insight-card,
[data-theme="light"] .step-card,
[data-theme="light"] .faq-item,
[data-theme="light"] .policy-card,
[data-theme="light"] .comparison-card:not(.is-featured),
[data-theme="light"] .mockup-card,
[data-theme="light"] .timeline-item,
[data-theme="light"] .stat-card {
  border-color: rgba(0, 0, 0, 0.07);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(248, 250, 252, 0.68)),
    rgba(255, 255, 255, 0.82);
}

[data-theme="light"] .experience-card {
  border-color: rgba(0, 0, 0, 0.07);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(248, 250, 252, 0.68)),
    rgba(255, 255, 255, 0.82);
}

[data-theme="light"] .comparison-card.is-featured {
  background:
    linear-gradient(180deg, rgba(8, 145, 178, 0.08), rgba(248, 250, 252, 0.88)),
    rgba(255, 255, 255, 0.90);
  border-color: rgba(8, 145, 178, 0.22);
}

[data-theme="light"] .whitelist-badge {
  background: rgba(217, 119, 6, 0.10);
  border-color: rgba(217, 119, 6, 0.30);
}

[data-theme="light"] .whitelist-offer {
  border-color: rgba(16, 185, 129, 0.26);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.06), transparent 55%),
    linear-gradient(180deg, rgba(16, 185, 129, 0.04), rgba(6, 182, 212, 0.02)),
    rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .whitelist-offer .whitelist-list li strong {
  color: var(--ink);
}

/* sections */
[data-theme="light"] .problem-strip {
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.90)),
    var(--surface);
}

[data-theme="light"] .section,
[data-theme="light"] .footer,
[data-theme="light"] .comparison-section,
[data-theme="light"] .timeline-section,
[data-theme="light"] .mockup-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.88)),
    var(--surface);
}

[data-theme="light"] .section-alt {
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.06), transparent 26%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(241, 245, 249, 0.90)),
    var(--surface);
}

[data-theme="light"] .insight-section {
  background:
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(241, 245, 249, 0.90));
}

/* buttons */
[data-theme="light"] .button-secondary {
  border-color: rgba(0, 0, 0, 0.10);
  background: rgba(0, 0, 0, 0.03);
  color: var(--ink-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

[data-theme="light"] .button-secondary:hover,
[data-theme="light"] .button-secondary:focus-visible {
  border-color: rgba(0, 0, 0, 0.14);
  background: rgba(0, 0, 0, 0.05);
}

/* form inputs */
[data-theme="light"] input,
[data-theme="light"] select,
[data-theme="light"] textarea {
  border-color: rgba(0, 0, 0, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.90), rgba(248, 250, 252, 0.80)),
    #ffffff;
  box-shadow: inset 0 1px 0 rgba(0, 0, 0, 0.03);
  color: var(--ink);
}

[data-theme="light"] input::placeholder,
[data-theme="light"] textarea::placeholder {
  color: rgba(100, 116, 139, 0.65);
}

[data-theme="light"] input:hover,
[data-theme="light"] select:hover,
[data-theme="light"] textarea:hover {
  border-color: rgba(0, 0, 0, 0.20);
}

[data-theme="light"] input:focus-visible,
[data-theme="light"] select:focus-visible,
[data-theme="light"] textarea:focus-visible {
  border-color: rgba(5, 150, 105, 0.40);
  box-shadow:
    0 0 0 4px rgba(16, 185, 129, 0.10),
    inset 0 1px 0 rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .whitelist-form {
  border-color: rgba(0, 0, 0, 0.08);
  background:
    radial-gradient(circle at top right, rgba(16, 185, 129, 0.06), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(248, 250, 252, 0.97)),
    var(--surface-strong);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .whitelist-form::before {
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.05), rgba(16, 185, 129, 0.12));
}

[data-theme="light"] .hero-copy::after,
[data-theme="light"] .whitelist-copy::after {
  display: none;
}

/* mockup */
[data-theme="light"] .mockup-frame {
  border-color: rgba(0, 0, 0, 0.07);
  background:
    linear-gradient(180deg, rgba(241, 245, 249, 0.98), rgba(226, 232, 240, 0.92)),
    var(--surface-dark);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.80),
    0 14px 32px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .mockup-frame::before {
  background:
    radial-gradient(circle at top left, rgba(16, 185, 129, 0.10), transparent 24%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), transparent 28%);
}

[data-theme="light"] .mockup-screen {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(248, 250, 252, 0.95)),
    #f8fafc;
}

[data-theme="light"] .mockup-screen::before {
  background: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .metric-pill {
  background: rgba(8, 145, 178, 0.10);
  color: #0369a1;
}

/* sticky CTA */
[data-theme="light"] #edn-sticky-cta {
  border-color: rgba(0, 0, 0, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(248, 250, 252, 0.93)),
    #f8fafc;
  color: var(--ink);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.10);
}

[data-theme="light"] #edn-sticky-cta p {
  color: var(--muted);
}

[data-theme="light"] #edn-sticky-cta button {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #ffffff;
}

[data-theme="light"] .form-optional-section {
  border-color: rgba(0, 0, 0, 0.07);
  background: rgba(0, 0, 0, 0.02);
}

.form-already-submitted {
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid rgba(16, 185, 129, 0.22);
  border-radius: var(--radius-xl);
  background: rgba(16, 185, 129, 0.06);
}

.form-already-title {
  margin: 0;
  color: #34d399;
  font: 700 1.15rem/1.3 "Archivo", system-ui, sans-serif;
}

.form-already-sub {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
}

[data-theme="light"] .form-already-submitted {
  background: rgba(16, 185, 129, 0.05);
  border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="light"] .form-already-title {
  color: #059669;
}

/* back to top */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 50%;
  background:
    linear-gradient(180deg, rgba(30, 30, 42, 0.95), rgba(12, 12, 18, 0.90));
  color: var(--ink-soft);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  color: var(--accent);
  border-color: rgba(16, 185, 129, 0.30);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

.email-timer {
  margin: 12px 0 0;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(16, 185, 129, 0.10);
  color: #6ee7b7;
  font-size: 0.9rem;
}

[data-theme="light"] .email-timer {
  background: rgba(16, 185, 129, 0.10);
  color: #059669;
}

[data-theme="light"] .back-to-top {
  border-color: rgba(0, 0, 0, 0.10);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92));
  color: var(--muted);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.10);
}

/* ==========================================================================
   Base científica — CTA inline e cards de estudo
   Página: base-cientifica.html
   ========================================================================== */

.panel-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-bottom: 1px;
  font: 600 0.88rem/1.2 "Archivo", system-ui, sans-serif;
  color: var(--accent-dark);
  border-bottom: 1px solid rgba(52, 211, 153, 0.28);
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.panel-card-link:hover,
.panel-card-link:focus-visible {
  color: #6ee7b7;
  border-bottom-color: rgba(110, 231, 183, 0.55);
  transform: translateX(2px);
}

.panel-card-link span {
  transition: transform 0.2s ease;
}

.panel-card-link:hover span,
.panel-card-link:focus-visible span {
  transform: translateX(3px);
}

[data-theme="light"] .panel-card-link {
  color: #047857;
  border-bottom-color: rgba(16, 185, 129, 0.35);
}

[data-theme="light"] .panel-card-link:hover,
[data-theme="light"] .panel-card-link:focus-visible {
  color: #065f46;
  border-bottom-color: rgba(5, 150, 105, 0.6);
}

.study-section .section-heading {
  margin-bottom: 28px;
}

.study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.study-card {
  position: relative;
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    rgba(18, 18, 26, 0.78);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.study-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0), rgba(6, 182, 212, 0.22), rgba(16, 185, 129, 0));
}

.study-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.study-card > p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.study-apply {
  margin-top: 8px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.14);
  display: grid;
  gap: 10px;
}

.study-apply p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.study-tag,
.study-gain {
  display: inline-block;
  margin-right: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font: 700 0.7rem/1.6 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 2px;
}

.study-tag {
  background: rgba(6, 182, 212, 0.14);
  color: #67e8f9;
  border: 1px solid rgba(6, 182, 212, 0.28);
}

.study-gain {
  background: rgba(16, 185, 129, 0.14);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.30);
}

[data-theme="light"] .study-card {
  border-color: rgba(0, 0, 0, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.88));
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .study-card > p,
[data-theme="light"] .study-apply p {
  color: #334155;
}

[data-theme="light"] .study-apply {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.22);
}

[data-theme="light"] .study-tag {
  background: rgba(6, 182, 212, 0.12);
  color: #0e7490;
  border-color: rgba(6, 182, 212, 0.32);
}

[data-theme="light"] .study-gain {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.32);
}

@media (max-width: 640px) {
  .study-grid {
    grid-template-columns: 1fr;
  }

  .study-card {
    padding: 22px 20px;
  }
}

/* ==========================================================================
   Landing enxuta (index.html) — hero curto, mini-form e value-strip
   ========================================================================== */

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

.hero-short {
  display: block;
  padding: 0;
  margin-top: 0;
}

.hero-short .hero-copy {
  padding: 56px 56px 52px;
}

.hero-short .hero-copy::after {
  right: -48px;
  top: 48px;
  width: 180px;
  height: 180px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  padding: 8px 14px 8px 10px;
  border: 1px solid rgba(245, 158, 11, 0.32);
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.10);
  color: var(--accent-gold);
  font: 700 0.76rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent-gold);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.22);
  animation: pulse-urgency 2.2s ease-in-out infinite;
}

[data-theme="light"] .hero-badge {
  background: rgba(217, 119, 6, 0.10);
  border-color: rgba(217, 119, 6, 0.30);
}

.hero-short h1 {
  max-width: 16ch;
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero-tagline {
  max-width: 58ch;
  margin: 20px 0 0;
  color: var(--muted-strong);
  font-size: clamp(1.02rem, 1.4vw, 1.14rem);
  line-height: 1.55;
}

.hero-mini-form {
  position: relative;
  display: grid;
  gap: 12px;
  max-width: 560px;
  margin: 28px 0 0;
}

.hero-mini-fields {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: stretch;
}

.hero-mini-fields input[type="email"] {
  min-height: 56px;
}

.hero-mini-form .button-primary {
  min-height: 56px;
  white-space: nowrap;
}

.hero-mini-consent {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  margin-top: 4px;
  color: var(--muted-strong);
  font-size: 0.88rem;
  line-height: 1.5;
  font-weight: 500;
}

.hero-mini-consent input[type="checkbox"] {
  min-height: 18px;
  height: 18px;
  margin-top: 2px;
}

.hero-mini-consent a {
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero-mini-meta {
  margin: 4px 0 0;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-mini-form .form-feedback {
  min-height: 22px;
  margin: 0;
  font-size: 0.92rem;
}

.deep-dive-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  margin-top: 20px;
  padding: 22px 26px;
  border: 1px solid rgba(6, 182, 212, 0.22);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top right, rgba(6, 182, 212, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(6, 182, 212, 0.04), rgba(16, 185, 129, 0.02)),
    rgba(18, 18, 26, 0.6);
  box-shadow: var(--shadow-sm);
}

.deep-dive-copy {
  display: grid;
  gap: 6px;
}

.deep-dive-kicker {
  margin: 0;
  color: var(--info);
  font: 700 0.74rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.deep-dive-text {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.5;
}

.deep-dive-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(6, 182, 212, 0.32);
  border-radius: 999px;
  background: rgba(6, 182, 212, 0.10);
  color: var(--ink-soft);
  font: 700 0.94rem/1 "Archivo", system-ui, sans-serif;
  white-space: nowrap;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.deep-dive-cta:hover,
.deep-dive-cta:focus-visible {
  border-color: rgba(6, 182, 212, 0.55);
  background: rgba(6, 182, 212, 0.16);
  transform: translateY(-1px);
}

.deep-dive-cta span {
  transition: transform 180ms ease;
}

.deep-dive-cta:hover span,
.deep-dive-cta:focus-visible span {
  transform: translateX(3px);
}

[data-theme="light"] .deep-dive-card {
  border-color: rgba(8, 145, 178, 0.22);
  background:
    radial-gradient(circle at top right, rgba(8, 145, 178, 0.07), transparent 55%),
    linear-gradient(180deg, rgba(8, 145, 178, 0.04), rgba(16, 185, 129, 0.02)),
    rgba(255, 255, 255, 0.88);
}

[data-theme="light"] .deep-dive-kicker {
  color: #0e7490;
}

[data-theme="light"] .deep-dive-cta {
  border-color: rgba(8, 145, 178, 0.32);
  background: rgba(8, 145, 178, 0.08);
  color: var(--ink-soft);
}

[data-theme="light"] .deep-dive-cta:hover,
[data-theme="light"] .deep-dive-cta:focus-visible {
  border-color: rgba(8, 145, 178, 0.55);
  background: rgba(8, 145, 178, 0.14);
}

.value-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.value-item {
  display: grid;
  gap: 8px;
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03)),
    rgba(18, 18, 26, 0.78);
  box-shadow: var(--shadow-sm);
}

.value-kicker {
  margin: 0;
  color: var(--accent-dark);
  font: 700 0.74rem/1 "Archivo", system-ui, sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.value-item h2 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

[data-theme="light"] .value-item {
  border-color: rgba(0, 0, 0, 0.07);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(248, 250, 252, 0.72)),
    rgba(255, 255, 255, 0.82);
}

.faq-footnote {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.faq-footnote a {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

[data-theme="light"] .faq-footnote a {
  color: #059669;
}

.nav-back {
  color: var(--muted-strong);
  font-weight: 600;
}

@media (max-width: 820px) {
  .hero-short .hero-copy {
    padding: 32px 22px 28px;
  }

  .hero-short h1 {
    max-width: 100%;
    font-size: clamp(2.2rem, 9.5vw, 3.2rem);
  }

  .hero-mini-fields {
    grid-template-columns: 1fr;
  }

  .hero-mini-form .button-primary {
    width: 100%;
  }

  .value-strip {
    grid-template-columns: 1fr;
  }

  .deep-dive-card {
    grid-template-columns: 1fr;
    padding: 20px 22px;
  }

  .deep-dive-cta {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .hero-short .hero-copy::after {
    display: none;
  }
}