/* ── Atelier Noir — light (default) ── */
:root {
  --bg: #f6f2e9;
  --card: #ffffff;
  --muted-bg: #efe9dc;
  --fg: #1a1612;
  --muted: #6f6457;
  --tertiary: #a89c89;
  --line: rgba(26, 22, 18, 0.1);
  --line-strong: rgba(26, 22, 18, 0.16);
  --accent: #9a7a36;
  --accent-active: #7a5e26;
  --accent-soft: rgba(154, 122, 54, 0.12);
  --accent-glow: rgba(154, 122, 54, 0.1);
  --grad: linear-gradient(135deg, #9a7a36 0%, #b89548 100%);
  --shadow: 0 1px 2px rgba(26, 22, 18, 0.04), 0 8px 24px rgba(26, 22, 18, 0.06);
  --shadow-lg:
    0 2px 4px rgba(26, 22, 18, 0.05), 0 18px 40px rgba(154, 122, 54, 0.16);
  --blob1: var(--accent-soft);
  --blob2: rgba(184, 149, 72, 0.12);
  --serif: "Gilda Display", Georgia, serif;
  --sans: "Jost", -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;
  --body:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Malgun Gothic", sans-serif;
  --radius: 14px;
}
/* ── Atelier Noir — dark (warm charcoal + brass) ── */
[data-theme="dark"] {
  --bg: #15120e;
  --card: #211c16;
  --muted-bg: #2a241c;
  --fg: #f1ece2;
  --muted: #b3aa98;
  --tertiary: #8a8170;
  --line: rgba(241, 236, 226, 0.1);
  --line-strong: rgba(241, 236, 226, 0.18);
  --accent: #c9a24a;
  --accent-active: #e3c887;
  --accent-soft: rgba(201, 162, 74, 0.14);
  --accent-glow: rgba(201, 162, 74, 0.16);
  --grad: linear-gradient(135deg, #c9a24a 0%, #d9b65f 100%);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.45), 0 18px 44px rgba(0, 0, 0, 0.6);
  --blob1: rgba(201, 162, 74, 0.12);
  --blob2: rgba(217, 182, 95, 0.1);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: var(--body);
  color: var(--fg);
  line-height: 1.7;
  background:
    radial-gradient(58% 50% at 12% -5%, var(--blob1), transparent 70%),
    radial-gradient(50% 46% at 96% 4%, var(--blob2), transparent 70%), var(--bg);
  -webkit-font-smoothing: antialiased;
  transition:
    background-color 0.4s ease,
    color 0.4s ease;
  display: flex;
  flex-direction: column;
}
::selection {
  background: var(--accent-soft);
}
a {
  color: var(--accent);
}
a:focus-visible,
.theme-toggle:focus-visible,
.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.wrap {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── top bar ── */
.topbar {
  padding: 22px 0;
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--serif);
  font-size: 1.28rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--fg);
}
.brand .dot {
  color: var(--accent);
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--fg);
  cursor: pointer;
  transition:
    transform 0.2s,
    border-color 0.2s,
    background 0.3s,
    color 0.3s;
}
.theme-toggle:hover {
  transform: rotate(-18deg);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  color: var(--accent);
}
.theme-toggle:active {
  transform: scale(0.92);
}
.theme-toggle svg {
  width: 17px;
  height: 17px;
}
.theme-toggle .ico-moon {
  display: none;
}
[data-theme="dark"] .theme-toggle .ico-sun {
  display: none;
}
[data-theme="dark"] .theme-toggle .ico-moon {
  display: block;
}

/* ── hero ── */
main {
  flex: 1 0 auto;
}
header.hero {
  padding: 60px 0 34px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 15px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
h1.title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  letter-spacing: 0.01em;
  line-height: 1.05;
  color: var(--fg);
  margin: 0 0 18px;
}
h1.title .dot {
  color: var(--accent);
}
.lead {
  font-size: 1.1rem;
  color: var(--fg);
  opacity: 0.9;
  max-width: 52ch;
  margin: 0;
}

/* ── projects ── */
.section-label {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tertiary);
  margin: 48px 0 16px;
}
.cards {
  display: grid;
  gap: 16px;
}
.card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  text-decoration: none;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  transition:
    transform 0.18s ease,
    box-shadow 0.22s ease,
    border-color 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.card .icon {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fffaf0;
  background: var(--grad);
  box-shadow: 0 4px 14px var(--accent-glow);
  font-family: var(--serif);
  font-size: 1.5rem;
  line-height: 1;
}
.card .body {
  flex: 1;
  min-width: 0;
}
.card .name {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin: 2px 0 4px;
  color: var(--fg);
}
.card .name .brand-accent {
  color: var(--accent);
}
.card .desc {
  font-size: 0.92rem;
  color: var(--muted);
  margin: 0;
}
.card .meta {
  display: inline-flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.tag {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--muted-bg);
  border-radius: 999px;
  padding: 3px 10px;
}
.card .arrow {
  flex: none;
  align-self: center;
  color: var(--tertiary);
  transition:
    transform 0.18s,
    color 0.18s;
}
.card:hover .arrow {
  transform: translateX(4px);
  color: var(--accent);
}
.card .arrow svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* ── footer ── */
footer {
  flex-shrink: 0;
  padding: 40px 0 36px;
}
footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
footer .copy {
  font-size: 0.82rem;
  color: var(--tertiary);
}
footer .links {
  display: inline-flex;
  gap: 16px;
}
footer .links a {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
footer .links a:hover {
  color: var(--accent);
}

@media (max-width: 520px) {
  .card {
    padding: 18px 18px;
    gap: 14px;
  }
  .card .arrow {
    display: none;
  }
}