:root {
  --bg: #f1f4f0;
  --surface: #ffffff;
  --surface-sunken: #e7ebe3;
  --border: #d6dcd1;
  --border-strong: #bfc7b8;
  --ink: #182420;
  --ink-muted: #5b6860;
  --ink-faint: #8b968e;
  --accent: #2c5f55;
  --accent-strong: #1e4640;
  --accent-soft: #dceae5;
  --accent-soft-ink: #1e4640;

  --propose-bg: #faf0d8;
  --propose-ink: #8a5a0a;
  --confirme-bg: #ddefe2;
  --confirme-ink: #256b41;

  --shadow-sm: 0 1px 2px rgba(20, 30, 24, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 30, 24, 0.1);
  --shadow-lg: 0 30px 70px rgba(20, 30, 24, 0.18);

  --font-display: "Fraunces", "IBM Plex Sans", serif;
  --font-sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121815;
    --surface: #1a231f;
    --surface-sunken: #212b26;
    --border: #2b362f;
    --border-strong: #3b473e;
    --ink: #e9eee9;
    --ink-muted: #a3afa6;
    --ink-faint: #6e7a72;
    --accent: #6fb3a2;
    --accent-strong: #8fc9ba;
    --accent-soft: #223832;
    --accent-soft-ink: #8fc9ba;

    --propose-bg: #392e17;
    --propose-ink: #e0b155;
    --confirme-bg: #1b3327;
    --confirme-ink: #7bcb9c;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.5);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

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

/* ---------- header ---------- */

header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(155deg, var(--accent-strong), var(--accent) 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-muted);
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-toggle {
  display: none;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  padding: 11px 20px;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--accent-strong);
  color: #f3f6f2;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--surface-sunken);
}

.btn-lg {
  padding: 14px 26px;
  font-size: 15.5px;
  border-radius: 12px;
}

/* ---------- hero ---------- */

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-soft-ink);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 44px;
  line-height: 1.12;
}

.hero-sub {
  margin-top: 20px;
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 480px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-faint);
}

.hero-note strong {
  color: var(--ink-muted);
}

/* ---------- hero mockup ---------- */

.mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 22px;
  position: relative;
}

.mock-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.mock-title {
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
}

.mock-sub {
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 2px;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.mock-stat {
  background: var(--surface-sunken);
  border-radius: 12px;
  padding: 12px 14px;
}

.mock-stat b {
  display: block;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

.mock-stat span {
  font-size: 11px;
  color: var(--ink-faint);
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
}

.mock-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-soft-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.mock-row-body {
  flex: 1;
  min-width: 0;
}

.mock-row-name {
  font-size: 13.5px;
  font-weight: 600;
}

.mock-row-meta {
  font-size: 11.5px;
  color: var(--ink-faint);
}

.mock-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  flex-shrink: 0;
}

.mock-pill.propose {
  background: var(--propose-bg);
  color: var(--propose-ink);
}

.mock-pill.confirme {
  background: var(--confirme-bg);
  color: var(--confirme-ink);
}

.mock-floating {
  position: absolute;
  bottom: -18px;
  right: -14px;
  background: var(--accent-strong);
  color: #f3f6f2;
  border-radius: 14px;
  padding: 12px 16px;
  box-shadow: var(--shadow-md);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.mock-floating b {
  font-size: 15px;
}

/* ---------- section scaffolding ---------- */

section {
  padding: 88px 0;
}

.section-head {
  max-width: 620px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head .eyebrow {
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 32px;
}

.section-head p {
  margin-top: 14px;
  color: var(--ink-muted);
  font-size: 16px;
}

/* ---------- problem strip ---------- */

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strip-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.strip-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent-soft-ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.strip-icon svg {
  width: 21px;
  height: 21px;
}

.strip-item h3 {
  font-size: 17px;
}

.strip-item p {
  font-size: 14.5px;
  color: var(--ink-muted);
}

/* ---------- features grid ---------- */

.features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.feature-card {
  background: var(--surface);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--surface-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.feature-icon svg {
  width: 19px;
  height: 19px;
}

.feature-card h3 {
  font-size: 16px;
}

.feature-card p {
  font-size: 14px;
  color: var(--ink-muted);
}

/* ---------- how it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

.step-number {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-soft-ink);
  background: var(--accent-soft);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 16.5px;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--ink-muted);
}

/* ---------- pricing ---------- */

.pricing-card {
  max-width: 620px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 44px 48px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: center;
}

.price-label {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.price-value {
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 600;
  margin-top: 8px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-value span {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-faint);
}

.price-caption {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--ink-muted);
}

.price-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 14px;
}

.price-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-muted);
}

.price-list svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
}

/* ---------- faq ---------- */

.faq {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 4px 20px;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.faq summary .chev {
  width: 18px;
  height: 18px;
  color: var(--ink-faint);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq details[open] summary .chev {
  transform: rotate(180deg);
}

.faq-a {
  font-size: 14px;
  color: var(--ink-muted);
  padding-bottom: 18px;
  max-width: 600px;
}

/* ---------- final cta ---------- */

.cta-band {
  background: linear-gradient(160deg, var(--accent-strong), var(--accent) 70%);
  border-radius: 24px;
  padding: 56px 48px;
  text-align: center;
  color: #f3f6f2;
}

.cta-band h2 {
  font-size: 30px;
  color: #f3f6f2;
}

.cta-band p {
  margin-top: 12px;
  color: rgba(243, 246, 242, 0.82);
  font-size: 15.5px;
}

.cta-band .hero-cta {
  justify-content: center;
  margin-top: 28px;
}

.cta-band .btn-primary {
  background: #f3f6f2;
  color: var(--accent-strong);
}

.cta-band .btn-primary:hover {
  background: #ffffff;
}

.cta-band .btn-ghost {
  border-color: rgba(243, 246, 242, 0.4);
  color: #f3f6f2;
}

.cta-band .btn-ghost:hover {
  background: rgba(243, 246, 242, 0.12);
}

/* ---------- footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.foot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.foot-links {
  display: flex;
  gap: 22px;
  font-size: 13.5px;
  color: var(--ink-muted);
}

.foot-links a {
  text-decoration: none;
}

.foot-links a:hover {
  color: var(--ink);
}

.foot-legal {
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .mock {
    max-width: 420px;
  }

  .strip,
  .feature-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    border-radius: 16px;
  }

  .pricing-card {
    grid-template-columns: 1fr;
    padding: 36px 28px;
  }

  .hero h1 {
    font-size: 34px;
  }

  section {
    padding: 64px 0;
  }
}

@media (max-width: 640px) {
  .nav-links {
    position: fixed;
    inset: 64px 16px auto 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 16px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-actions .btn-ghost {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 9px;
    border: 1px solid var(--border-strong);
    background: transparent;
    color: var(--ink);
  }

  .cta-band {
    padding: 44px 24px;
  }
}