/* ============================================
   GEO STRATEGY · MARCOS VILADOMIU
   Stylesheet — Tech Editorial Premium
   ============================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Colors */
  --bg: #0A0A0F;
  --bg-elevated: #14141C;
  --bg-alt: #0E0E15;
  --surface: rgba(255, 255, 255, 0.025);
  --surface-hover: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --text: #F5F1E8;
  --text-muted: #A8A39A;
  --text-dim: #6B6760;

  --accent: #FF6B35;
  --accent-2: #F7931E;
  --accent-gradient: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
  --accent-glow: rgba(255, 107, 53, 0.25);

  --teal: #14B8A6;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-xxl: 12rem;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Container */
  --container-max: 1280px;
  --container-narrow: 780px;

  /* Transitions */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- 2. RESET & BASE ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.05vw, 1.0625rem);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

em { font-style: italic; color: var(--text); }
strong { font-weight: 600; }

::selection {
  background: var(--accent);
  color: var(--bg);
}

.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;
}

/* ---------- 3. ATMOSPHERIC BACKGROUND ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.06;
  z-index: 2;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
  animation: orbFloat 20s ease-in-out infinite alternate;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -100px;
  right: -150px;
  background: radial-gradient(circle, #FF6B35 0%, transparent 65%);
}

.orb-2 {
  width: 500px;
  height: 500px;
  bottom: 10%;
  left: -150px;
  background: radial-gradient(circle, #F7931E 0%, transparent 65%);
  opacity: 0.18;
  animation-delay: -10s;
}

@keyframes orbFloat {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, -40px) scale(1.05); }
  100% { transform: translate(-20px, 30px) scale(0.95); }
}

/* Raise content above orbs */
body > *:not(.orbs):not(.grain) {
  position: relative;
  z-index: 3;
}

/* ---------- 4. LAYOUT PRIMITIVES ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.5rem, 4vw, 3rem);
  width: 100%;
}

.container-narrow {
  max-width: var(--container-narrow);
}

/* ---------- 5. TYPOGRAPHY ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.section-number {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  padding-left: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 6.5vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  max-width: 18ch;
}

.hero-title-md {
  font-size: clamp(2.25rem, 5vw, 4rem);
  max-width: 20ch;
}

.hero-title-sm {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  max-width: 22ch;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  margin-bottom: var(--space-md);
  max-width: 24ch;
}

.section-title-sm {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.section-lead {
  font-size: clamp(1.125rem, 1.4vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 62ch;
  margin-bottom: var(--space-lg);
}

.accent-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
}

/* ---------- 6. NAVIGATION ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 10, 15, 0.65);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 1.125rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-logo-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: -0.02em;
}

.nav-logo-text {
  font-size: 0.9375rem;
  color: var(--text);
}

.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
  margin-right: var(--space-md);
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.25s var(--ease);
}
.nav-links a:hover { color: var(--text); }

.btn-nav {
  padding: 0.625rem 1.125rem;
  font-size: 0.875rem;
}

.nav-back {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.25s var(--ease);
}
.nav-back:hover { color: var(--accent); }

/* ---------- 7. BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.005em;
  border-radius: 999px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  white-space: nowrap;
  will-change: transform;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--bg);
  box-shadow: 0 8px 24px -8px var(--accent-glow),
              inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #F7931E 0%, #FF6B35 100%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: 0;
}
.btn-primary > * { position: relative; z-index: 1; }

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px -8px var(--accent-glow),
              inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover::before { opacity: 1; }

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-lg {
  padding: 1rem 1.75rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.25rem 2.25rem;
  font-size: 1.0625rem;
}

/* ---------- 8. HERO ---------- */
.hero {
  padding-block: clamp(5rem, 12vw, 10rem) clamp(4rem, 10vw, 8rem);
  position: relative;
}

.hero-form,
.hero-success {
  padding-block: clamp(3.5rem, 8vw, 6.5rem) clamp(2.5rem, 5vw, 4rem);
}

.hero-inner {
  display: flex;
  flex-direction: column;
}

.hero-content {
  max-width: 920px;
}

.hero-sub {
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  line-height: 1.5;
  color: var(--text-muted);
  max-width: 56ch;
  margin-top: var(--space-md);
  margin-bottom: var(--space-lg);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-meta {
  font-size: 0.875rem;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.hero-meta .dot { opacity: 0.5; }

.success-mark {
  display: inline-grid;
  place-items: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: var(--bg);
  margin-bottom: var(--space-md);
  box-shadow: 0 16px 40px -12px var(--accent-glow);
}

/* ---------- 9. TRUST STRIP ---------- */
.trust {
  border-block: 1px solid var(--border);
  padding-block: 2rem;
  background: var(--bg-alt);
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem 3rem;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.trust-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.trust-value {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---------- 10. SECTIONS ---------- */
.section {
  padding-block: clamp(4rem, 8vw, 8rem);
  position: relative;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.section.in-view {
  opacity: 1;
  transform: translateY(0);
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

/* ---------- 11. GRID OF CARDS ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: var(--space-lg);
}

.card {
  position: relative;
  padding: 2rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), background 0.4s var(--ease);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), border-color 0.3s var(--ease);
}

.card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.card-number {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 600;
  font-style: italic;
  color: var(--accent);
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-variation-settings: 'opsz' 144;
}

.card-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.375rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 0.875rem;
  color: var(--text);
}

.card-body {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* KPI cards — methodology */
.kpi-card {
  display: flex;
  flex-direction: column;
}

.kpi-mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
}

.kpi-weight {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8125rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
  margin-top: 1.5rem;
}
.kpi-weight strong { color: var(--accent); font-weight: 600; }

.methodology-cta {
  margin-top: var(--space-lg);
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.methodology-cta p {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ---------- 12. STEPS ---------- */
.steps {
  display: grid;
  gap: 2rem;
  margin-top: var(--space-lg);
  counter-reset: step;
  max-width: 880px;
}

.step {
  display: flex;
  gap: 1.75rem;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.step.in-view {
  opacity: 1;
  transform: translateX(0);
}

.step-num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 144;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 0.5rem;
}

.step-body p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

/* ---------- 13. AUTHOR SECTION ---------- */
.author-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: var(--space-lg);
  align-items: start;
}

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

.author-lead {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.75vw, 1.5rem);
  font-weight: 400;
  font-variation-settings: 'opsz' 144, 'SOFT' 80;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: var(--space-md);
}

.author-body {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--space-md);
  max-width: 58ch;
}

.author-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.author-stats {
  display: grid;
  gap: 1rem;
}

.stat {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.625rem;
  letter-spacing: -0.02em;
  color: var(--accent);
  font-variation-settings: 'opsz' 144;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

/* ---------- 14. CTA SECTION ---------- */
.section-cta {
  background: radial-gradient(ellipse at center, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
  border-block: 1px solid var(--border);
  text-align: center;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 720px;
  text-align: center;
  margin-inline: auto;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  font-weight: 400;
  margin-block: var(--space-md);
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
}

.cta-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

/* ---------- 15. FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding-block: 3rem;
  background: var(--bg-alt);
}

.footer-min { padding-block: 2rem; }

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  gap: 1.75rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.25s var(--ease);
}
.footer-nav a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* ---------- 16. FORMS (DIAGNÓSTICO) ---------- */
.form-section {
  padding-top: 0;
  opacity: 1;
  transform: none;
}

.form-section .card,
.form-section .form-block,
.form-block {
  opacity: 1;
  transform: none;
}

.diagnostic-form {
  display: grid;
  gap: 2.5rem;
}

.form-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.form-legend {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  width: 100%;
}

.form-legend-num {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: var(--bg);
  font-size: 0.9375rem;
  font-weight: 600;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-full { grid-column: 1 / -1; }

.field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.005em;
}

.field input,
.field select {
  padding: 0.875rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23A8A39A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.question {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.question:last-child { border-bottom: none; padding-bottom: 0; }
.question:first-of-type { padding-top: 0; }

.q-label {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.5;
}
.q-label strong { color: var(--accent); font-weight: 600; margin-right: 0.375rem; }
.q-hint { color: var(--text-dim); font-size: 0.875rem; font-weight: 400; }

.q-options {
  display: grid;
  gap: 0.625rem;
}

.radio {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
  font-size: 0.9375rem;
  line-height: 1.4;
}

.radio:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
}

.radio input[type="radio"] {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
  transition: border-color 0.25s var(--ease);
  position: relative;
}

.radio input[type="radio"]:checked {
  border-color: var(--accent);
}

.radio input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  border-radius: 50%;
  background: var(--accent-gradient);
}

.radio:has(input:checked) {
  border-color: var(--accent);
  background: rgba(255, 107, 53, 0.05);
}

.radio input[type="radio"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 0;
  cursor: pointer;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.checkbox:first-of-type { border-top: none; padding-top: 0; }

.checkbox input[type="checkbox"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-strong);
  border-radius: 5px;
  margin-top: 1px;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: all 0.25s var(--ease);
}

.checkbox input[type="checkbox"]:checked {
  background: var(--accent-gradient);
  border-color: transparent;
}

.checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--bg);
  border-bottom: 2px solid var(--bg);
  transform: rotate(45deg);
}

.form-submit {
  padding-block: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.form-submit .btn { cursor: pointer; }

.form-footnote {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

.post-form {
  margin-top: 4rem;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent);
}

.checklist {
  display: grid;
  gap: 0.875rem;
}

.checklist li {
  position: relative;
  padding-left: 2rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 1.125rem;
}

/* ---------- 17. THANK-YOU PAGE ---------- */
.action-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  opacity: 1;
  transform: none;
  transition: transform 0.4s var(--ease), border-color 0.3s var(--ease);
}
.action-card:hover {
  transform: translateY(-4px);
}

.action-card-highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.08) 0%, transparent 100%);
}

.action-icon {
  display: inline-grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--surface-hover);
  color: var(--accent);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.action-card .btn { margin-top: auto; align-self: flex-start; }

.share-note {
  margin-top: 3rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--text-muted);
}
.share-note strong { color: var(--text); }

/* ---------- 18. REVEAL ANIMATIONS ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 19. RESPONSIVE ---------- */
@media (max-width: 720px) {
  .nav-links { display: none; }

  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }

  .trust-inner { grid-template-columns: 1fr 1fr; gap: 1.75rem; }

  .methodology-cta {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }

  .step { flex-direction: column; gap: 1rem; padding: 1.5rem; }

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

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
}

@media (max-width: 480px) {
  .trust-inner { grid-template-columns: 1fr; }
  .hero { padding-block: 4rem 3rem; }
  .section { padding-block: 4rem; }
  .btn { font-size: 0.9rem; padding: 0.75rem 1.25rem; }
  .btn-xl { padding: 1rem 1.5rem; font-size: 1rem; }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .orb { animation: none; }
}