:root {
  --bg: oklch(97% 0.012 85);
  --surface: oklch(99% 0.006 90);
  --ink: oklch(24% 0.02 60);
  --ink-soft: oklch(40% 0.02 65);
  --accent: oklch(52% 0.11 55);
  --accent-dark: oklch(42% 0.09 55);
  --line: oklch(88% 0.015 80);
  --ok: oklch(55% 0.12 145);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  min-height: 100dvh;
}

h1, h2, h3, .brand-name {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
  color: var(--ink);
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-name { font-size: 21px; font-weight: 700; }
.brand-name span { color: var(--accent); }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 12px;
  border-radius: 6px;
  transition: color 150ms ease-out, background 150ms ease-out;
}
nav a:hover { color: var(--ink); background: oklch(94% 0.02 80); }
nav a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(ellipse 60% 80% at 85% 20%, oklch(93% 0.03 75), transparent 70%),
    var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 72px 0 64px;
}
.hero-in {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { font-size: 42px; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: 18px; color: var(--ink-soft); max-width: 34rem; margin-bottom: 28px; }
.hero-art { display: flex; justify-content: center; }
.hero-art svg { width: 100%; max-width: 380px; height: auto; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--surface);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 150ms ease-out, transform 150ms ease-out;
}
.btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid var(--accent-dark); outline-offset: 3px; }
.btn-ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid var(--accent);
  margin-left: 12px;
}
.btn-ghost:hover { background: oklch(94% 0.025 70); }

/* ---------- sections ---------- */
section { padding: 64px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 30px; margin-bottom: 8px; }
.section-sub { color: var(--ink-soft); margin-bottom: 36px; max-width: 40rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 24px;
}
.section-alt .card { background: var(--surface); }
.card h3 { font-size: 19px; margin: 14px 0 8px; }
.card p { color: var(--ink-soft); font-size: 15px; }
.card .icon { width: 44px; height: 44px; color: var(--accent); }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; counter-reset: step; }
.step { padding: 22px 20px; border-left: 2px solid var(--accent); }
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: 15px; }

/* ---------- about ---------- */
.about-in { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.about-in p { color: var(--ink-soft); margin-bottom: 14px; }
.facts { list-style: none; }
.facts li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
}
.facts li strong { font-family: Georgia, serif; font-size: 20px; color: var(--accent-dark); }

/* ---------- contact ---------- */
.contact-in { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }
.contact-info p { color: var(--ink-soft); margin-bottom: 18px; }
.contact-info dl { font-size: 15px; }
.contact-info dt { font-weight: 600; margin-top: 12px; }
.contact-info dd a { color: var(--accent-dark); }

form { display: grid; gap: 14px; }
label { font-size: 14px; font-weight: 600; display: block; margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  transition: border-color 150ms ease-out;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(52% 0.11 55 / 0.15);
}
textarea { min-height: 110px; resize: vertical; }
.form-note { font-size: 13px; color: var(--ink-soft); }
.form-msg {
  display: none;
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 15px;
}
.form-msg.ok {
  display: block;
  background: oklch(94% 0.05 145);
  border: 1px solid var(--ok);
  color: oklch(32% 0.08 145);
}
.form-msg.err {
  display: block;
  background: oklch(95% 0.03 25);
  border: 1px solid oklch(55% 0.15 25);
  color: oklch(38% 0.12 25);
}

/* ---------- footer ---------- */
footer {
  background: oklch(26% 0.02 60);
  color: oklch(85% 0.01 80);
  padding: 40px 0 28px;
  font-size: 14px;
}
footer .foot-in { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
footer a { color: oklch(85% 0.01 80); text-decoration: none; }
footer a:hover { color: oklch(95% 0.01 80); text-decoration: underline; }
footer a:focus-visible { outline: 2px solid oklch(85% 0.01 80); outline-offset: 2px; }
footer nav { gap: 18px; align-items: center; }
footer .brand-name { color: oklch(95% 0.01 80); font-size: 17px; }
footer .copy { margin-top: 24px; padding-top: 16px; border-top: 1px solid oklch(38% 0.02 60); color: oklch(65% 0.01 80); }

/* ---------- legal pages ---------- */
.legal { max-width: 720px; padding: 56px 0 72px; }
.legal h1 { font-size: 32px; margin-bottom: 24px; }
.legal h2 { font-size: 20px; margin: 28px 0 10px; }
.legal p, .legal li { color: var(--ink-soft); font-size: 15px; margin-bottom: 10px; }
.legal ul { padding-left: 22px; }
.legal address { font-style: normal; color: var(--ink-soft); margin: 10px 0; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .header-in { flex-wrap: wrap; row-gap: 6px; padding: 10px 16px; }
  nav a { padding: 8px 8px; font-size: 14px; }
  .hero-in, .about-in, .contact-in { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 44px; }
  .hero h1 { font-size: 32px; }
  .hero-art { order: -1; }
  .hero-art svg { max-width: 260px; }
  .btn-ghost { margin-left: 0; margin-top: 10px; }
  section { padding: 44px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, nav a, input, select, textarea { transition: none; }
}