/* NOVA Landing — Dr. AI White */
:root {
  /* Palette: deep navy authority + warm gold accent */
  --bg: #0a0e1a;
  --bg-alt: #111729;
  --bg-card: #161e33;
  --surface: #ffffff;
  --surface-soft: #faf8f3;
  --ink: #0a0e1a;
  --ink-soft: #4a5568;
  --line: rgba(255, 255, 255, 0.08);
  --line-light: rgba(10, 14, 26, 0.08);
  --gold: #d4a44c;
  --gold-soft: #e8c987;
  --gold-deep: #a37b2c;
  --accent: #d4a44c;
  --good: #4ade80;

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

  /* Spacing */
  --max-w: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: #e8ecf4;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ───────── Header ───────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 26, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
}
.logo svg { color: var(--gold); }
.nav-links {
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
  color: rgba(232, 236, 244, 0.75);
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  background: var(--gold);
  color: var(--bg);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  transition: transform 0.18s ease, background 0.18s ease;
}
.nav-cta:hover { background: var(--gold-soft); transform: translateY(-1px); }
@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ───────── Hero ───────── */
.hero {
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(212, 164, 76, 0.12), transparent 70%),
    radial-gradient(ellipse 50% 60% at 10% 80%, rgba(212, 164, 76, 0.06), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
}
h1.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: #fff;
  margin-bottom: 1.25rem;
}
h1.hero-title em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}
.hero-sub {
  font-size: 1.075rem;
  line-height: 1.6;
  color: rgba(232, 236, 244, 0.78);
  margin-bottom: 2rem;
  max-width: 30em;
}
.hero-ctas {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--bg);
}
.btn-primary:hover { background: var(--gold-soft); transform: translateY(-2px); box-shadow: 0 12px 30px -10px rgba(212, 164, 76, 0.5); }
.btn-ghost {
  border: 1px solid rgba(232, 236, 244, 0.2);
  color: #fff;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.bnpl-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.83rem;
  color: rgba(232, 236, 244, 0.6);
}
.bnpl-badges {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}
.bnpl-pill {
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
}

/* Hero video card */
.video-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-card);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--line);
}
.video-card video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.video-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(10, 14, 26, 0.82);
  backdrop-filter: blur(8px);
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.7rem;
  border-radius: 6px;
  border: 1px solid rgba(212, 164, 76, 0.25);
}

/* ───────── Section base ───────── */
section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}
.section-light {
  background: var(--surface-soft);
  color: var(--ink);
}
.section-light h2,
.section-light h3 { color: var(--ink); }

.section-eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 0.85rem;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 500;
  color: #fff;
  margin-bottom: 1.1rem;
  max-width: 22ch;
}
h2 em { font-style: italic; color: var(--gold); font-weight: 400; }
.section-intro {
  font-size: 1.05rem;
  line-height: 1.6;
  color: rgba(232, 236, 244, 0.72);
  max-width: 36em;
  margin-bottom: 3rem;
}
.section-light .section-intro { color: var(--ink-soft); }

/* ───────── Features (What's in NOVA) ───────── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}
.feature {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(212, 164, 76, 0.3); }
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(212, 164, 76, 0.12);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}
.feature h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}
.feature p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: rgba(232, 236, 244, 0.7);
}

/* ───────── Founder story ───────── */
.story {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) { .story { grid-template-columns: 1fr; } }
.story h2 { color: var(--ink); }
.story-body p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 1rem;
}
.story-body strong { color: var(--ink); font-weight: 600; }
.attribution {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-light);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.attribution-name {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.95rem;
}
.attribution-role {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* ───────── Case study (Kathleen) ───────── */
.case {
  background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg) 100%);
  border-radius: 18px;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.case::before {
  content: '"';
  position: absolute;
  top: -2rem;
  left: 1.5rem;
  font-family: var(--font-display);
  font-size: 14rem;
  color: var(--gold);
  opacity: 0.08;
  line-height: 1;
}
.case-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.35;
  color: #fff;
  font-weight: 400;
  letter-spacing: -0.005em;
  margin-bottom: 2rem;
  max-width: 32ch;
  position: relative;
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--gold);
  font-weight: 500;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 0.82rem;
  color: rgba(232, 236, 244, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.case-by {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.case-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-deep));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.case-name { font-weight: 600; color: #fff; font-size: 0.95rem; }
.case-role { font-size: 0.85rem; color: rgba(232, 236, 244, 0.6); }

/* ───────── Pricing ───────── */
.pricing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 880px) { .pricing { grid-template-columns: 1fr; } }
.pricing-card {
  background: var(--surface);
  border-radius: 18px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  box-shadow: 0 25px 60px -20px rgba(0, 0, 0, 0.4);
  position: relative;
}
.pricing-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold-deep);
  margin-bottom: 0.6rem;
}
.pricing-name {
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 0.3rem;
}
.pricing-tag {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.addon-row {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-light);
  cursor: pointer;
}
.addon-row:last-of-type { border-bottom: 0; }
.addon-checkbox {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--ink-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transition: all 0.18s ease;
}
.addon-row input[type="checkbox"]:checked + .addon-checkbox {
  background: var(--gold);
  border-color: var(--gold);
}
.addon-row input[type="checkbox"]:checked + .addon-checkbox svg {
  opacity: 1;
}
.addon-checkbox svg {
  opacity: 0;
  color: var(--bg);
  transition: opacity 0.18s ease;
}
.addon-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.addon-text { flex: 1; }
.addon-name {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.97rem;
  margin-bottom: 0.2rem;
}
.addon-desc {
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.45;
}
.addon-price {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.included-list {
  list-style: none;
  margin-bottom: 1.5rem;
}
.included-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.45rem 0;
  font-size: 0.94rem;
  color: var(--ink);
}
.included-list svg {
  flex-shrink: 0;
  color: var(--gold-deep);
  margin-top: 4px;
}

.divider {
  height: 1px;
  background: var(--line-light);
  margin: 1.5rem 0;
}

.total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 0;
  margin-top: 0.5rem;
}
.total-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  font-weight: 600;
}
.total-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.payment-options {
  background: var(--surface-soft);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin: 1rem 0 1.5rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.55;
}
.payment-options strong { color: var(--ink); }

.btn-buy {
  display: flex;
  width: 100%;
  justify-content: center;
  background: var(--bg);
  color: #fff;
  padding: 1.1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
}
.btn-buy:hover { background: var(--gold-deep); transform: translateY(-2px); }

.bnpl-line {
  text-align: center;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 0.85rem;
}

/* Pricing detail panel (right column) */
.pricing-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.pricing-info > p {
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  font-size: 0.97rem;
  line-height: 1.6;
}
.value-list { list-style: none; }
.value-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-light);
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
}
.value-list li:last-child { border-bottom: 0; }
.value-list strong { color: var(--ink); display: block; margin-bottom: 0.2rem; font-size: 0.97rem; }
.value-list span { color: var(--ink-soft); font-size: 0.9rem; line-height: 1.5; }
.value-list svg {
  flex-shrink: 0;
  color: var(--gold-deep);
  margin-top: 3px;
}

/* ───────── FAQ ───────── */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 1.4rem 0;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  font-size: 1.05rem;
  font-weight: 500;
  color: #fff;
  text-align: left;
  font-family: var(--font-body);
}
.faq-q svg { transition: transform 0.25s ease; flex-shrink: 0; margin-left: 1rem; color: var(--gold); }
.faq-item[open] .faq-q svg { transform: rotate(45deg); }
.faq-a {
  padding-top: 0.9rem;
  color: rgba(232, 236, 244, 0.72);
  line-height: 1.6;
  font-size: 0.97rem;
}

/* ───────── Final CTA ───────── */
.final-cta {
  text-align: center;
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(212, 164, 76, 0.1), transparent 70%);
  pointer-events: none;
}
.final-cta h2 {
  margin: 0 auto 1rem;
  text-align: center;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}
.final-cta p {
  color: rgba(232, 236, 244, 0.72);
  font-size: 1.1rem;
  max-width: 38em;
  margin: 0 auto 2rem;
}

/* ───────── Footer ───────── */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  font-size: 0.85rem;
  color: rgba(232, 236, 244, 0.55);
}
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-row a:hover { color: var(--gold); }

/* Hidden helper */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}