:root {
  --bg: oklch(1.000 0.000 0);
  --surface: oklch(0.975 0.006 210);
  --surface-2: oklch(0.950 0.010 210);
  --border: oklch(0.900 0.010 210);
  --ink: oklch(0.13 0.015 210);
  --muted: oklch(0.50 0.010 210);
  --primary: oklch(0.42 0.110 210);
  --primary-dark: oklch(0.32 0.110 210);
  --primary-light: oklch(0.94 0.028 210);
  --font: 'Inter', system-ui, sans-serif;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.08);
  --shadow-lg: 0 8px 28px oklch(0 0 0 / 0.10);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

img { display: block; max-width: 100%; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ── Navigation ─────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: oklch(1 0 0 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 1.5rem; height: 64px;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.nav-brand {
  display: flex; align-items: center; gap: .625rem;
  text-decoration: none; flex-shrink: 0;
}
.nav-brand img { height: 32px; width: auto; }
.nav-brand-text {
  font-size: .875rem; font-weight: 700; color: var(--ink);
  letter-spacing: -.01em; line-height: 1.2;
}
.nav-brand-text small {
  display: block; font-size: .7rem; font-weight: 400;
  color: var(--muted); letter-spacing: 0;
}
.nav-links { display: flex; align-items: center; gap: .25rem; list-style: none; }
.nav-links a {
  display: block; padding: .4rem .8rem;
  font-size: .875rem; font-weight: 500; color: var(--muted);
  text-decoration: none; border-radius: var(--r-sm);
  transition: color .15s, background .15s;
}
.nav-links a:hover { color: var(--ink); background: var(--surface); }
.nav-cta {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .5rem 1rem; background: var(--primary); color: #fff;
  font-size: .875rem; font-weight: 600; border-radius: var(--r-md);
  text-decoration: none; transition: background .15s, transform .1s; flex-shrink: 0;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* Desktop nav */
.nav-links-wrap { display: flex; align-items: center; gap: .25rem; flex: 1; }
.nav-cta-mobile { display: none; }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: .375rem;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--ink); border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

@media (max-width: 700px) {
  .nav-links-wrap {
    display: none; flex-direction: column; gap: .25rem;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: .75rem 1.5rem 1rem;
  }
  .nav-links-wrap.open { display: flex; }
  .nav-links { flex-direction: column; align-items: flex-start; width: 100%; }
  .nav-toggle { display: flex; }
  .nav-cta-mobile { display: block; width: 100%; text-align: center; margin-top: .5rem; }
  .nav-cta-desktop { display: none; }
}

/* ── Hero ───────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 64px);
  display: flex; align-items: center; padding: 5rem 1.5rem;
}
.hero-inner {
  max-width: 1100px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.hero-content { animation: fadeUp .5s ease-out both; }
.hero-tag {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .75rem; background: var(--primary-light); color: var(--primary);
  font-size: .75rem; font-weight: 600; border-radius: 999px;
  margin-bottom: 1.5rem; letter-spacing: .02em;
}
.hero-tag svg { width: 14px; height: 14px; flex-shrink: 0; }
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 800; letter-spacing: -.03em; line-height: 1.1;
  text-wrap: balance; margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: clamp(.975rem, 1.5vw, 1.125rem);
  color: var(--muted); line-height: 1.7; max-width: 52ch; margin-bottom: 2.25rem;
}
.hero-actions { display: flex; gap: .875rem; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.5rem; background: var(--primary); color: #fff;
  font-size: .9375rem; font-weight: 600; border-radius: var(--r-md);
  text-decoration: none; transition: background .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 2px 8px oklch(0.42 0.11 210 / 0.35);
}
.btn-primary:hover {
  background: var(--primary-dark); transform: translateY(-2px);
  box-shadow: 0 4px 16px oklch(0.42 0.11 210 / 0.40);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.5rem; background: var(--bg); color: var(--ink);
  font-size: .9375rem; font-weight: 500; border: 1px solid var(--border);
  border-radius: var(--r-md); text-decoration: none;
  transition: border-color .15s, background .15s, transform .1s;
}
.btn-secondary:hover {
  border-color: oklch(0.75 0.010 210); background: var(--surface); transform: translateY(-2px);
}
.hero-visual { display: flex; align-items: center; justify-content: center; animation: fadeUp .5s .12s ease-out both; }
.hero-visual svg { width: 100%; max-width: 440px; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero { min-height: auto; padding: 3.5rem 1.5rem 4rem; }
  .hero-visual { order: -1; }
  .hero-visual svg { max-width: 280px; }
  .hero p { max-width: none; }
}

/* ── How it works ───────────────────────────────── */
.steps-section {
  background: var(--surface);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 5rem 1.5rem;
}
.steps-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: .75rem; font-weight: 600; color: var(--primary);
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: .75rem;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700; letter-spacing: -.025em; line-height: 1.2;
  text-wrap: balance; margin-bottom: 3.5rem;
}
.steps-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; position: relative;
}
.steps-grid::before {
  content: ''; position: absolute;
  top: 1.5rem; left: calc(16.66% + 1rem); right: calc(16.66% + 1rem);
  height: 1px; background: var(--border);
}
.step-card { display: flex; flex-direction: column; gap: .875rem; }
.step-num {
  width: 3rem; height: 3rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); border: 1px solid var(--border); border-radius: 50%;
  font-size: .875rem; font-weight: 700; color: var(--primary);
  flex-shrink: 0; position: relative; z-index: 1;
}
.step-card h3 { font-size: 1rem; font-weight: 700; line-height: 1.3; }
.step-card p { font-size: .875rem; color: var(--muted); line-height: 1.6; }

@media (max-width: 700px) {
  .steps-grid { grid-template-columns: 1fr; gap: 2rem; }
  .steps-grid::before { display: none; }
}

/* ── Info section ───────────────────────────────── */
.info-section { padding: 5rem 1.5rem; }
.info-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.info-visual {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 24px; padding: 2.5rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.info-stat {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 1.25rem; background: var(--bg);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}
.info-stat-icon {
  width: 2.25rem; height: 2.25rem; background: var(--primary-light);
  border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.info-stat-icon svg { width: 18px; height: 18px; color: var(--primary); }
.info-stat-text strong { display: block; font-size: .9375rem; font-weight: 700; }
.info-stat-text span { font-size: .8125rem; color: var(--muted); }
.info-content .section-title { margin-bottom: 1rem; }
.info-content p { font-size: .9375rem; color: var(--muted); margin-bottom: 1.5rem; }
.info-list { list-style: none; display: flex; flex-direction: column; gap: .625rem; }
.info-list li { display: flex; align-items: flex-start; gap: .625rem; font-size: .9rem; color: var(--ink); }
.info-list li::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); margin-top: .55rem; flex-shrink: 0;
}

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

/* ── CTA Banner ─────────────────────────────────── */
.cta-section { padding: 5rem 1.5rem; background: var(--surface); border-top: 1px solid var(--border); }
.cta-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.cta-inner .section-title { margin-bottom: .75rem; }
.cta-inner p { color: var(--muted); font-size: .9375rem; margin-bottom: 2rem; }
.cta-actions { display: flex; justify-content: center; gap: .875rem; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────── */
footer { border-top: 1px solid var(--border); padding: 2rem 1.5rem; }
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; }
.footer-brand img { height: 24px; }
.footer-brand span { font-size: .8125rem; font-weight: 600; color: var(--ink); }
footer p { font-size: .8rem; color: var(--muted); }
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }
