/* ── Tokens ─────────────────────────────────────────── */

:root {
  --bg: #f7f5f0;
  --bg-alt: #efece4;
  --surface: #fff;
  --ink: #1a1a1a;
  --ink-soft: #555049;
  --ink-mute: #8a8278;
  --line: #e2ddd0;
  --accent: #c9572c;
  --accent-soft: rgba(201, 87, 44, 0.12);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --step-1: clamp(0.875rem, 0.85rem + 0.1vw, 0.95rem);
  --step-2: clamp(1rem, 0.95rem + 0.2vw, 1.125rem);
  --step-3: clamp(1.25rem, 1.15rem + 0.4vw, 1.5rem);
  --step-4: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);
  --step-display: clamp(2.75rem, 2rem + 4vw, 5.5rem);

  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --nav-h: 64px;
}

[data-theme="dark"] {
  --bg: #14130f;
  --bg-alt: #1c1a16;
  --surface: #1f1d18;
  --ink: #f3efe6;
  --ink-soft: #b8b1a3;
  --ink-mute: #7a7468;
  --line: #2d2a24;
  --accent: #e87a4f;
  --accent-soft: rgba(232, 122, 79, 0.14);
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 8px 24px rgba(0,0,0,0.25);
}

/* ── Reset ──────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; line-height: 1.15; margin: 0; }

a { color: inherit; text-decoration: none; }

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

button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* ── Layout ─────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.container.narrow { max-width: 760px; }

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  margin: 0 0 0.75rem;
}

.section-title {
  font-size: var(--step-4);
  margin-bottom: 2.5rem;
}

/* ── Nav ────────────────────────────────────────────── */

#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}

[data-theme="dark"] #nav {
  background: rgba(20, 19, 15, 0.78);
}

#nav.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  height: var(--nav-h);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 1.5em;
  height: 1.5em;
  flex-shrink: 0;
}
.brand-mark-bg { fill: var(--accent); }
.brand-mark-fg { fill: var(--bg); }
.brand-dot { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 1.75rem;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--ink-soft);
  transition: color var(--transition);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-controls { display: flex; gap: 0.5rem; align-items: center; }

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  min-width: 36px;
  padding: 0 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.ctrl-btn:hover { color: var(--ink); border-color: var(--ink-mute); }

#theme-toggle .icon-moon { display: none; }
[data-theme="dark"] #theme-toggle .icon-sun { display: none; }
[data-theme="dark"] #theme-toggle .icon-moon { display: inline-block; }

/* ── Hero ───────────────────────────────────────────── */

.hero {
  padding: clamp(5rem, 12vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  margin: 0 0 1.25rem;
}

.display {
  font-size: var(--step-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  margin: 0 0 1.75rem;
}

.accent { color: var(--accent); font-style: italic; }

.lede {
  font-size: var(--step-3);
  color: var(--ink-soft);
  max-width: 38ch;
  margin: 0 0 2.5rem;
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
.btn-primary:hover { transform: translateY(-1px); background: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }

.hero-socials {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: 0.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
}
.hero-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition), transform var(--transition);
}
.hero-socials a:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ── Prose ──────────────────────────────────────────── */

.prose p {
  font-size: var(--step-3);
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0 0 1.25rem;
}
.prose p:last-child { margin-bottom: 0; }

/* ── Projects ───────────────────────────────────────── */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink-mute);
  box-shadow: var(--shadow);
}

.project-thumb {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-alt));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.project-thumb::after {
  content: attr(data-placeholder);
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.6;
}

.project-body { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.85rem; flex: 1; }
.project-body h3 { font-size: var(--step-3); }
.project-body p { margin: 0; color: var(--ink-soft); font-size: var(--step-1); }

.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tags li {
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-weight: 500;
}

.project-links {
  display: flex;
  gap: 1.25rem;
  margin-top: auto;
  padding-top: 0.5rem;
}
.project-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--ink-mute);
  padding-bottom: 1px;
  transition: color var(--transition), border-color var(--transition);
}
.project-links a:hover { color: var(--accent); border-color: var(--accent); }

.projects-sub-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-mute);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}
.projects-sub-label--spaced { margin-top: 2.5rem; }

.project-card--work .project-body {
  padding: 1.25rem 1.5rem;
  gap: 0.65rem;
}
.project-card--work .project-body h3 { font-size: var(--step-2); }

/* ── Skills ─────────────────────────────────────────── */

.skills-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

.skills-group h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--ink-mute);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.skill-icons {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: 1rem 0.5rem;
}

.skill-icons li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}

.skill-icons i {
  font-size: 2rem;
  color: var(--ink);
}
.skill-svg {
  width: 2rem;
  height: 2rem;
  fill: var(--ink);
}

.skill-icons span {
  font-size: 0.7rem;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}

/* ── Writing ────────────────────────────────────────── */

.post-list { list-style: none; padding: 0; margin: 0; }

.post {
  border-top: 1px solid var(--line);
}
.post:last-child { border-bottom: 1px solid var(--line); }

.post-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  text-align: left;
  transition: color var(--transition);
}
.post-header:hover h3 { color: var(--accent); }

.post-header h3 {
  font-size: var(--step-3);
  margin: 0;
  transition: color var(--transition);
}
.post-meta {
  font-size: 0.8rem;
  color: var(--ink-mute);
  margin: 0.25rem 0 0;
  letter-spacing: 0.05em;
}

.post-chevron {
  font-size: 1.5rem;
  color: var(--ink-mute);
  font-family: var(--font-display);
  font-weight: 400;
  transition: transform var(--transition), color var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}
.post-header[aria-expanded="true"] .post-chevron {
  transform: rotate(45deg);
  color: var(--accent);
}

.post-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.post-body > * { padding-left: 0; padding-right: 0; }
.post-body p, .post-body ol {
  color: var(--ink-soft);
  font-size: var(--step-2);
}
.post-body ol { padding-left: 1.25rem; }
.post-body li { margin-bottom: 0.5rem; }
.post-body code {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.9em;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}
.post-body > *:last-child { margin-bottom: 1.5rem; }

/* ── Footer ─────────────────────────────────────────── */

.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--ink-mute);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.back-top { transition: color var(--transition); }
.back-top:hover { color: var(--accent); }

/* ── Cookie banner ──────────────────────────────────── */

#cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 460px;
  margin: 0 auto;
  background: var(--surface);
  color: var(--ink);
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.85rem;
  z-index: 200;
}
#cookie-banner[hidden] { display: none; }
.cookie-actions { display: flex; gap: 0.5rem; }
#cookie-banner p { margin: 0; }

/* ── Reveal animation ───────────────────────────────── */

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ── Mobile nav drawer ──────────────────────────────── */

.menu-btn { display: none; }

#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
}

#mobile-menu.open { display: block; }

#mobile-menu-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  animation: fadeIn 0.2s ease;
}

#mobile-menu-panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(280px, 80vw);
  background: var(--surface);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: calc(var(--nav-h) + 1.5rem) 2rem 2rem;
  gap: 0.25rem;
  animation: slideIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-link {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  transition: color var(--transition);
}

.mobile-nav-link:last-child { border-bottom: none; }
.mobile-nav-link:hover { color: var(--accent); }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-inner { gap: 1rem; justify-content: space-between; }
  .brand { flex: 1; }
  .menu-btn { display: flex; }
}