/* ---------- Reset & base ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #FBFAF8;
  --bg-alt: #F3F1EC;
  --ink: #14181F;
  --ink-soft: #4A5160;
  --ink-faint: #7A8091;
  --line: #E4E1D9;
  --accent: #1E4FFF;
  --accent-ink: #0E2E9E;
  --accent-soft: #E8EDFF;
  --card: #FFFFFF;
  --radius: 14px;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --shadow: 0 1px 2px rgba(20, 24, 31, 0.04), 0 12px 32px -16px rgba(20, 24, 31, 0.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

ul { list-style: none; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-ink);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px -8px rgba(30, 79, 255, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.btn-small { padding: 10px 20px; font-size: 0.875rem; }
.btn-large { padding: 18px 34px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 248, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), var(--accent-ink));
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  gap: 32px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}
.main-nav a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 72px;
  text-align: center;
}

.hero-inner { max-width: 780px; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow.center { display: block; margin-left: auto; margin-right: auto; width: fit-content; }

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.6rem);
  margin-bottom: 22px;
}

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

.hero-sub {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 620px;
  margin: 0 auto 34px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-proof {
  display: flex;
  gap: 22px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.86rem;
  color: var(--ink-faint);
  font-weight: 500;
}
.hero-proof li { display: flex; align-items: center; gap: 8px; }
.hero-proof li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

/* ---------- Section titles ---------- */
.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  margin: 14px 0 16px;
}
.section-title.center { text-align: center; max-width: 720px; margin-left: auto; margin-right: auto; }

.section-sub {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 620px;
}
.section-sub.center { text-align: center; margin: 0 auto 56px; }

/* ---------- Angle ---------- */
.angle { padding: 88px 0; }

.angle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 8px;
}

.angle-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}

.angle-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.angle-icon svg { width: 22px; height: 22px; }

.angle-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.angle-card p {
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* ---------- How it works ---------- */
.how {
  padding: 88px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 8px;
}

.step-num {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.step h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.step p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- Benefits ---------- */
.benefits { padding: 88px 0; }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}

.benefit {
  padding: 26px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.benefit h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.benefit p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* ---------- Pricing ---------- */
.pricing {
  padding: 88px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pricing-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow);
}

.pricing-card-head {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.pricing-card-head h3 {
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  font-family: var(--sans);
  margin-bottom: 14px;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}

.price-amount {
  font-family: var(--serif);
  font-size: 3.2rem;
  font-weight: 600;
  color: var(--ink);
}

.price-period {
  color: var(--ink-faint);
  font-size: 0.95rem;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 30px;
}

.pricing-features li {
  position: relative;
  padding-left: 28px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.pricing-features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-soft);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E4FFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px 10px;
}

.pricing-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 18px;
}

/* ---------- FAQ ---------- */
.faq { padding: 88px 0; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  background: var(--card);
}

summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--ink-faint);
  font-weight: 400;
  margin-left: 16px;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

details[open] summary::after {
  content: "–";
}

details p {
  color: var(--ink-soft);
  font-size: 0.94rem;
  margin-top: 14px;
  line-height: 1.6;
}

/* ---------- Final CTA ---------- */
.cta-final {
  padding: 96px 0;
  background: var(--ink);
  color: #fff;
  text-align: center;
}

.cta-final-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 14px;
}

.cta-final-inner p {
  color: rgba(255,255,255,0.65);
  font-size: 1.05rem;
  margin-bottom: 34px;
}

.cta-final .btn-primary {
  background: var(--accent);
}
.cta-final .btn-primary:hover {
  background: #3a63ff;
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 56px 0 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand p {
  color: var(--ink-faint);
  font-size: 0.88rem;
  margin-top: 8px;
  max-width: 280px;
}

.footer-nav {
  display: flex;
  gap: 22px;
  font-size: 0.88rem;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.footer-nav a:hover { color: var(--ink); }

.footer-copy {
  width: 100%;
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .angle-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
}

@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .angle, .how, .benefits, .pricing, .faq, .cta-final { padding: 64px 0; }
  .pricing-card { padding: 28px 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}