/* =========================================================
   TOKENS
   ========================================================= */
:root {
  --ink: #0e0e10;
  --ink-soft: #38373d;
  --paper: #f5f0e6;
  --paper-dim: #ece4d3;
  --line: #dcd8cd;
  --stone: #8a8578;
  --accent: #ff4b1f;
  --accent-ink: #ffffff;

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

  --container: 1180px;
  --radius: 3px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="dark"] {
  --ink: #f2f1ec;
  --ink-soft: #c7c5bc;
  --paper: #121214;
  --paper-dim: #1a1a1d;
  --line: #2e2e31;
  --stone: #86837a;
  --accent: #ff5c33;
  --accent-ink: #121214;
}

body { transition: background-color 0.3s var(--ease), color 0.3s var(--ease); }

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

/* =========================================================
   PAGE LOADER
   ========================================================= */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.page-loader.is-hidden { opacity: 0; visibility: hidden; }
.page-loader span {
  width: 28px;
  height: 28px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.load-error {
  max-width: var(--container);
  margin: 100px auto;
  padding: 0 clamp(20px, 5vw, 64px);
  text-align: center;
  color: var(--stone);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px clamp(20px, 5vw, 64px);
  background: var(--paper);
  opacity: 0.96;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
}
.logo-dot { color: var(--accent); }
.logo img {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
  font-size: 14px;
  font-weight: 500;
}

.main-nav a { position: relative; padding: 4px 0; }
.main-nav a:not(.nav-cv)::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.main-nav a:not(.nav-cv):hover::after { transform: scaleX(1); }

.nav-cv {
  border: 1px solid var(--ink);
  padding: 8px 18px;
  border-radius: var(--radius);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.nav-cv:hover { background: var(--ink); color: var(--paper); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}
.menu-toggle span {
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

/* THEME TOGGLE */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--paper-dim); transform: rotate(-8deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.theme-toggle-mobile { display: none; margin-top: 8px; align-self: flex-start; }

.mobile-nav {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--paper);
  z-index: 200;
  padding: 100px 32px;
  gap: 28px;
  font-size: 22px;
  font-family: var(--font-display);
  font-weight: 600;
  transform: translateX(-100%);
  transition: transform 0.35s var(--ease);
}
.mobile-nav.is-open { transform: translateX(0); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  padding: clamp(70px, 13vw, 150px) clamp(20px, 5vw, 64px) clamp(60px, 9vw, 100px);
  max-width: var(--container);
  margin: 0 auto;
}

.hero-index {
  font-size: 13px;
  color: var(--stone);
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 8vw, 96px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 16ch;
}
.hero-title .line {
  display: block;
  opacity: 0;
  transform: translateY(24px);
  animation: lineUp 0.7s var(--ease) forwards;
}
.hero-title .line:nth-child(1) { animation-delay: 0.05s; }
.hero-title .line:nth-child(2) { animation-delay: 0.16s; }
.hero-title .line:nth-child(3) { animation-delay: 0.27s; }

@keyframes lineUp {
  to { opacity: 1; transform: translateY(0); }
}

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

.hero-foot {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: end;
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

@media (max-width: 720px) {
  .hero-foot { grid-template-columns: 1fr; gap: 28px; }
}

.hero-lede {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--ink-soft);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-self: end;
}
@media (max-width: 720px) { .hero-actions { justify-self: start; } }

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 14px;
  transition: transform 0.2s var(--ease), background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover { background: var(--accent); }

.btn-ghost {
  border: 1px solid var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-stats {
  display: flex;
  gap: clamp(30px, 6vw, 72px);
  margin-top: clamp(56px, 9vw, 90px);
}

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 600;
}
.stat-label {
  font-size: 13px;
  color: var(--stone);
}

/* =========================================================
   SECTION HEAD (shared)
   ========================================================= */
.section-head {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
  margin-bottom: 44px;
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
}

.section-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 16px;
  color: var(--accent);
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-sub {
  flex-basis: 100%;
  color: var(--stone);
  font-size: 15px;
  margin-top: -20px;
}

/* =========================================================
   WORK — editorial stacked list (not a card grid)
   ========================================================= */
.work-section {
  padding: clamp(70px, 9vw, 110px) 0;
  border-top: 1px solid var(--line);
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  max-width: var(--container);
  margin: 0 auto 8px;
  padding: 0 clamp(20px, 5vw, 64px);
}

.filter-btn {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--stone);
  transition: all 0.2s ease;
}
.filter-btn:hover { border-color: var(--ink); color: var(--ink); }
.filter-btn.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.project-list {
  max-width: var(--container);
  margin: 32px auto 0;
  padding: 0 clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.project-row {
  display: grid;
  grid-template-columns: 64px 1fr 240px;
  align-items: center;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: opacity 0.25s ease;
}

@media (max-width: 780px) {
  .project-row { grid-template-columns: 40px 1fr; }
  .project-row-thumb { display: none; }
}

.project-row-index {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--stone);
  font-size: 15px;
}

.project-row-main {
  min-width: 0;
}

.project-row-cat {
  display: block;
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 500;
}

.project-row-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}
.project-row:hover .project-row-title { color: var(--accent); }

.project-row-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--stone);
  max-width: 52ch;
}

.project-row-thumb {
  width: 240px;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--paper-dim);
  border-radius: var(--radius);
}
.project-row-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.project-row:hover .project-row-thumb img { transform: scale(1.05); }

.project-row.is-hidden { display: none; }

/* =========================================================
   ABOUT
   ========================================================= */
.about-section {
  padding: clamp(70px, 10vw, 120px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
}

.about-content {
  max-width: var(--container);
  margin: 0 auto;
}

.about-content p {
  color: var(--ink-soft);
  font-size: clamp(17px, 1.8vw, 20px);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 72ch;
}

.skills-block { margin: 36px 0; }
.skills-block h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--stone);
  margin-bottom: 14px;
}

.skills-list { display: flex; flex-wrap: wrap; gap: 10px; }
.skills-list li {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-section {
  padding: clamp(70px, 10vw, 120px) clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  background: var(--paper-dim);
}

.contact-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(40px, 6vw, 80px);
}
@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--ink-soft);
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--accent);
  outline: none;
}
.form-row textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; margin-top: 8px; }

.form-note { margin-top: 14px; font-size: 14px; min-height: 20px; }
.form-note.is-success { color: #1e7a3d; }
.form-note.is-error { color: #b8342a; }

.contact-alt { display: flex; flex-direction: column; gap: 12px; }

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.contact-card-label { font-size: 12px; color: var(--stone); font-weight: 500; }
.contact-card-value { font-family: var(--font-display); font-size: 17px; font-weight: 500; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  padding: 30px clamp(20px, 5vw, 64px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--stone);
  border-top: 1px solid var(--line);
}
.footer-credit { margin: 0; }
.footer-credit a { color: var(--stone); text-decoration: underline; text-underline-offset: 2px; transition: color 0.2s ease; }
.footer-credit a:hover { color: var(--accent); }

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(14, 14, 16, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}
.lightbox.is-open { opacity: 1; visibility: visible; }

.lightbox-inner { max-width: 880px; max-height: 100%; overflow: auto; }

.lightbox-carousel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
}
.lightbox-carousel-track {
  display: flex;
  transition: transform 0.35s var(--ease);
}
.carousel-slide {
  flex: 0 0 100%;
  min-width: 100%;
}
.carousel-slide img {
  width: 100%;
  display: block;
  border-radius: 0;
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.carousel-arrow:hover { background: rgba(0,0,0,0.7); }
.carousel-arrow-prev { left: 12px; }
.carousel-arrow-next { right: 12px; }
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  transition: background 0.2s ease, transform 0.2s ease;
}
.carousel-dot.is-active { background: #fff; transform: scale(1.2); }

.lightbox-caption { padding: 20px 4px; color: var(--paper); }
.lightbox-cat { font-size: 12px; color: var(--accent); font-weight: 500; }
.lightbox-caption h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  margin: 6px 0 8px;
}
.lightbox-caption p { color: rgba(247,245,240,0.65); font-size: 15px; }

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 18px;
  transition: background 0.2s ease;
}
.lightbox-close:hover { background: rgba(255,255,255,0.18); }

/* =========================================================
   RESPONSIVE NAV SWITCH
   ========================================================= */
@media (max-width: 780px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: flex; }
  .site-header .theme-toggle { display: none; }
  .theme-toggle-mobile { display: flex; }
}