:root {
  --bg: #0a0a0f;
  --surface: #111118;
  --border: #1e1e28;
  --text: #f5f5f5;
  --text-muted: #888899;
  --accent: #FFB800;
  --accent-dim: rgba(255, 184, 0, 0.12);
  --gold: #FFD700;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 28px 32px;
  border-bottom: 1px solid var(--border);
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.nav__tag {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(255,184,0,0.2);
  padding: 5px 12px;
  border-radius: 40px;
}

/* ── HERO ── */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero__headline-block {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4.5vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}

.hero__headline-accent {
  color: var(--accent);
}

.hero__subheadline {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 460px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.hero__cta {
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: 10px;
  letter-spacing: -0.01em;
}

.hero__cta-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}

.hero__right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero__social-proof {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero__counter-block {
  display: flex;
  align-items: baseline;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
}

.hero__counter {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.5rem;
  color: var(--accent);
  line-height: 1;
}

.hero__counter-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.hero__founders-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
}

.hero__founders-avatars {
  display: flex;
  gap: -8px;
}

.hero__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  border: 2px solid var(--surface);
  margin-left: -8px;
}

.hero__avatar:first-child { margin-left: 0; }

.hero__founders-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__founders-count {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.hero__founders-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero__testimonial {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
}

.hero__testimonial-quote {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 14px;
  font-style: italic;
}

.hero__testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__testimonial-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text);
}

.hero__testimonial-age {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── MODELS ── */
.models {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px;
}

.models__header {
  max-width: var(--max-w);
  margin: 0 auto 56px;
}

.models__header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.models__header p {
  color: var(--text-muted);
  font-size: 1rem;
}

.models__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.model-card {
  background: var(--surface);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
}

.model-card__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.model-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.model-card__tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.4;
}

.model-card__math {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-bottom: 24px;
}

.math-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 10px;
}

.math-row span:first-child { color: var(--text-muted); }

.highlight {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text);
}

.highlight.gold { color: var(--accent); }

.model-card__why {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: auto;
}

/* ── ROADMAP ── */
.roadmap {
  padding: 80px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.roadmap__header {
  margin-bottom: 56px;
}

.roadmap__header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.roadmap__header p {
  color: var(--text-muted);
  font-size: 1rem;
}

.roadmap__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.step {
  padding: 0 32px 0 0;
  border-right: 1px solid var(--border);
  margin-right: 32px;
}

.step:last-child { border-right: none; margin-right: 0; }

.step__num {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.step__content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 12px;
}

.step__content p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── CLOSING ── */
.closing {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 100px 32px;
  text-align: center;
}

.closing__content {
  max-width: 680px;
  margin: 0 auto;
}

.closing__eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.closing__content h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 28px;
}

.closing__content p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav { padding: 20px 20px; }

  .hero {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 48px 20px 56px;
  }
  .hero__right { gap: 16px; }
  .hero__headline { font-size: clamp(1.9rem, 7vw, 3rem); }
  .hero__subheadline { font-size: 0.95rem; }

  .models { padding: 56px 20px; }
  .models__grid { grid-template-columns: 1fr; }

  .roadmap { padding: 56px 20px; }
  .roadmap__steps { grid-template-columns: 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border); margin-right: 0; padding: 0 0 32px 0; margin-bottom: 32px; }
  .step:last-child { border-bottom: none; margin-bottom: 0; }

  .closing { padding: 72px 20px; }
}
/* ── QUIZ SECTION (call-to-action card) ── */
.quiz-section {
  padding: 80px 32px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.quiz-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
}

.quiz-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.quiz-cta p {
  color: var(--text-muted);
  font-size: 1rem;
  margin-bottom: 32px;
}

.btn-primary {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  padding: 14px 32px;
  border-radius: 8px;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.85; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-full { width: 100%; }

/* ── QUIZ MODAL ── */
.quiz-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.8);
}

.quiz-modal__panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  max-width: 520px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.quiz-modal__close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.75rem;
  cursor: pointer;
  line-height: 1;
}

.quiz-modal__close:hover { color: var(--text); }

.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.quiz-progress__bar {
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.3s ease;
  flex: 1;
}

.quiz-progress__text {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.quiz-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.quiz-option:hover { border-color: var(--accent); }
.quiz-option.selected { border-color: var(--accent); background: var(--accent-dim); }
.quiz-option:disabled { opacity: 0.5; cursor: default; }

.quiz-loading {
  text-align: center;
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.quiz-error { color: #ff6b6b; text-align: center; }

/* ── QUIZ RESULT ── */
.quiz-result__badge {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.quiz-result__model {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.quiz-result__tagline {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.quiz-result__math {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.quiz-result__pitch {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ── EMAIL FORM ── */
.quiz-email-form { display: flex; flex-direction: column; gap: 12px; }

.form-group input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.form-group input::placeholder { color: var(--text-muted); }
.form-group input:focus { border-color: var(--accent); }

.form-fine-print {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── SUCCESS STATE ── */
.quiz-success { text-align: center; padding: 24px 0; }
.quiz-success__check {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1;
}
.quiz-success h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.quiz-success p { color: var(--text-muted); font-size: 0.95rem; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .quiz-section { padding: 56px 20px; }
  .quiz-container { padding: 40px 24px; }
  .quiz-modal__panel { padding: 32px 24px; }
}

/* ── CLOSING EMAIL FORM ── */
.closing-email-form {
  display: flex;
  gap: 10px;
  max-width: 440px;
  margin: 36px auto 0;
}

.closing-email-form input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.closing-email-form input::placeholder { color: var(--text-muted); }
.closing-email-form input:focus { border-color: var(--accent); }

.closing-fine-print {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: center;
}

.closing-success {
  margin-top: 24px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--accent);
}

.closing-success__check {
  display: inline-block;
  font-size: 1.5rem;
  margin-right: 6px;
  vertical-align: middle;
}

@media (max-width: 520px) {
  .closing-email-form { flex-direction: column; }
}

/* ── REFERRAL CTA ── */
.referral-cta {
  margin-top: 28px;
  padding: 24px 20px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,184,0,0.25);
  border-radius: var(--radius);
  text-align: center;
}

.referral-cta--closing {
  margin-top: 20px;
  background: var(--surface);
  border-color: var(--border);
}

.referral-cta__position {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.referral-cta__position strong {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.referral-cta__pitch {
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 20px;
  line-height: 1.5;
}

.referral-cta__stats {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.referral-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.referral-stat__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}

.referral-stat__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.referral-cta__share {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 10px;
}

.share-input {
  flex: 1;
  max-width: 280px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
}

.share-copy-btn {
  font-size: 0.88rem;
  padding: 10px 20px;
}

.copy-feedback {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
}