/* Kurawa — interior design & renovation marketplace.
   Brand palette drawn from the logo: warm paper, charcoal ink, terracotta seal.
   Skeleton stylesheet; no inline styles anywhere so the CSP can stay strict
   (style-src 'self'). */

:root {
  --paper:   #f0ebe1;
  --paper-2: #e8e1d3;
  --card:    #f6f2ea;
  --ink:     #1f1b18;
  --ink-2:   #554d43;
  --rust:    #9e3b26;
  --rust-2:  #843019;
  --line:    #d9d0c0;

  --serif: Georgia, "Times New Roman", "Songti SC", serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --wrap: 1080px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; letter-spacing: .01em; }

a { color: var(--rust); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; height: auto; display: block; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---- Header ---------------------------------------------------------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; padding-top: 18px; padding-bottom: 18px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand__mark { width: 40px; height: 36px; }
.brand__word { font-family: var(--serif); font-size: 1.5rem; letter-spacing: .34em; text-transform: uppercase; }

.nav { margin-left: auto; display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink-2); font-size: .95rem; letter-spacing: .02em; }
.nav a:hover { color: var(--ink); text-decoration: none; }
.nav a.cta { color: var(--rust); font-weight: 600; }

/* ---- Buttons --------------------------------------------------------- */
.btn {
  display: inline-block; padding: 13px 24px; border-radius: 2px;
  font-size: .95rem; letter-spacing: .03em; font-weight: 600;
  border: 1px solid var(--rust); cursor: pointer;
}
.btn--primary { background: var(--rust); color: var(--paper); }
.btn--primary:hover { background: var(--rust-2); text-decoration: none; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); text-decoration: none; }

/* ---- Hero ------------------------------------------------------------ */
.hero { padding: 84px 0 72px; }
.hero__seal { display: block; width: 30px; height: 30px; background: var(--rust); margin-bottom: 26px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin: 0 0 18px; max-width: 16ch; }
.hero p { font-size: 1.2rem; color: var(--ink-2); max-width: 52ch; margin: 0 0 32px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Sections -------------------------------------------------------- */
.section { padding: 64px 0; border-top: 1px solid var(--line); }
.section--alt { background: var(--paper-2); }
.section h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin: 0 0 8px; }
.section .lede { color: var(--ink-2); max-width: 60ch; margin: 0 0 36px; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 3px;
  padding: 30px 28px;
}
.card h3 { font-size: 1.35rem; margin: 0 0 10px; }
.card p { margin: 0 0 18px; color: var(--ink-2); }
.card .kicker { font-family: var(--sans); font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--rust); margin: 0 0 14px; }

/* ---- Coming-soon note ------------------------------------------------ */
.note {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; background: var(--card);
}
.note::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--rust); }

.placeholder { padding: 72px 0; }
.placeholder h1 { font-size: clamp(2rem, 5vw, 3rem); margin: 0 0 14px; }
.placeholder p { color: var(--ink-2); max-width: 56ch; font-size: 1.1rem; }
.placeholder .back { margin-top: 28px; }

/* ---- Footer ---------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 8px; color: var(--ink-2); font-size: .9rem; }
.site-footer .wrap { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.site-footer .jp { font-family: var(--serif); color: var(--rust); font-size: 1.1rem; letter-spacing: .3em; }

/* ---- Responsive ------------------------------------------------------ */
@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 48px; }
  .nav { gap: 18px; }
  .brand__word { font-size: 1.25rem; letter-spacing: .28em; }
}