/* ============================================
   Tokens
   ============================================ */
:root {
  --bg: #F6F4EE;
  --bg-raised: #FFFFFF;
  --bg-alt: #ECE9E0;
  --ink: #14161A;
  --ink-soft: #565B63;
  --ink-faint: #9A9D9F;
  --accent: #2A4CFF;
  --accent-ink: #16204D;
  --accent-soft: #E2E6FF;
  --border: #DEDCD1;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --max-width: 1080px;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #15161B;
  --bg-raised: #1D1F26;
  --bg-alt: #21232B;
  --ink: #F3F2ED;
  --ink-soft: #B7B9C0;
  --ink-faint: #75777F;
  --accent: #8398FF;
  --accent-ink: #E4E8FF;
  --accent-soft: #262A3F;
  --border: #2D2F38;
  color-scheme: dark;
}

/* ============================================
   Reset
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 600; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============================================
   Nav
   ============================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav-links ul {
  display: flex;
  gap: var(--space-3);
  font-size: 0.95rem;
}

.nav-links a {
  position: relative;
  color: var(--ink-soft);
  padding: 0.2rem 0;
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { width: 17px; height: 17px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 16px; height: 1.5px;
  background: var(--ink);
  position: relative;
  transition: transform 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -5px; }
.nav-toggle span::after { position: absolute; top: 5px; }

/* ============================================
   Hero
   ============================================ */
.hero {
  padding: var(--space-6) 0 var(--space-5);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-5);
  align-items: end;
}

.hero-name {
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin-top: var(--space-2);
}

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

.hero-name-highlight {
  display: inline-block;
  position: relative;
  color: var(--accent);
}

.hero-underline {
  display: block;
  width: 100%;
  height: 18px;
  margin: 0.3rem 0 var(--space-3);
}

.hero-underline path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 420;
  stroke-dashoffset: 420;
  animation: draw 1.1s 0.3s cubic-bezier(0.65, 0, 0.35, 1) forwards;
}
@media (prefers-reduced-motion: reduce) {
  .hero-underline path { stroke-dashoffset: 0; animation: none; }
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.hero-role {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 34ch;
}

.hero-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-bottom: 0.4rem;
}

.hero-side p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}
[data-theme="dark"] .btn-primary { background: var(--accent); color: var(--accent-ink); }

.btn-ghost {
  border-color: var(--border);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================
   Sections
   ============================================ */
section { padding: var(--space-5) 0; }
.section-border { border-top: 1px solid var(--border); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.section-head .eyebrow { margin-bottom: 0.5rem; display: block; }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
}

.about-copy p {
  font-size: 1.08rem;
  color: var(--ink-soft);
}
.about-copy p + p { margin-top: var(--space-2); }

.focus-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border);
}

.focus-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}

.focus-item .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  padding-top: 0.2rem;
}

.focus-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.focus-item p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* Contact */
.contact-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4);
  align-items: center;
}

.contact-card h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: var(--space-1); }
.contact-card p { color: var(--ink-soft); max-width: 40ch; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
}

.contact-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.contact-links a:hover { color: var(--accent); padding-left: 0.35rem; }
.contact-links a span:last-child { color: var(--ink-faint); font-size: 0.85rem; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-3) 0;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ============================================
   Projects page
   ============================================ */
.page-hero {
  padding: var(--space-5) 0 var(--space-4);
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-top: var(--space-1);
  max-width: 16ch;
}
.page-hero p {
  margin-top: var(--space-2);
  color: var(--ink-soft);
  max-width: 52ch;
  font-size: 1.05rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-6);
}

.project-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 14px 30px -18px rgba(20, 22, 26, 0.35);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
}

.project-card h3 {
  font-size: 1.35rem;
  margin-top: 0.3rem;
}

.project-card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: var(--space-1);
}

.project-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.project-link {
  margin-top: var(--space-1);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}
.project-link svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.project-card:hover .project-link svg { transform: translate(2px, -2px); }

.project-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  align-items: center;
}
.project-card.featured .project-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.project-card.featured .project-visual {
  height: 100%;
  min-height: 160px;
  border-radius: var(--radius-sm);
  background:
    repeating-linear-gradient(135deg, var(--accent-soft), var(--accent-soft) 10px, transparent 10px, transparent 20px),
    var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   Reveal on scroll
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 860px) {
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .hero-side { padding-bottom: 0; }
  .contact-card { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; grid-template-columns: 1fr; }
  .project-card.featured .project-visual { min-height: 120px; }
}

@media (max-width: 720px) {
  .nav-links ul { display: none; }
  .nav-toggle { display: flex; }
  .site-nav.is-open .nav-links ul {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-2) var(--space-3) var(--space-3);
    gap: var(--space-2);
  }
  .site-nav { position: sticky; }
  .site-nav.is-open .nav-links { position: relative; }
  .focus-item { grid-template-columns: 1fr; gap: 0.2rem; }
}