/* ============================================================
   Fella Adeyemi — photography portfolio
   Palette: cafe warmth. Type: oversized display serif.
   Layout: museum wall labels. Background: subtle grain.
   ============================================================ */

:root {
  --bg: #f4ead8;
  --bg-2: #ecdfc8;
  --ink: #3a2415;
  --ink-soft: #6b5540;
  --accent: #6b1f1a;
  --secondary: #5a5e3a;
  --rule: rgba(58, 36, 21, 0.18);
  --grain-opacity: 0.06;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --pad: clamp(1.25rem, 5vw, 5rem);
  --measure: 62ch;
}

html[data-theme="dark"] {
  --bg: #1c1410;
  --bg-2: #241a14;
  --ink: #f0e3d0;
  --ink-soft: #b8a58e;
  --accent: #e08a72;
  --secondary: #a8ad7c;
  --rule: rgba(240, 227, 208, 0.2);
  --grain-opacity: 0.09;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- grain overlay ---- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
  background-size: 240px 240px;
}

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

a { color: inherit; }

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

/* ============================================================
   HEADER
   ============================================================ */

.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem var(--pad);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}

.mark {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  font-variation-settings: "opsz" 30;
  text-decoration: none;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: clamp(0.75rem, 2.5vw, 1.75rem);
  margin-left: auto;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.6rem 0.15rem;
  transition: color 0.25s ease;
}

.site-nav a:hover { color: var(--accent); }

.theme-toggle {
  min-width: 44px;
  min-height: 44px;
  padding: 0 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   MASTHEAD — oversized display serif
   ============================================================ */

.masthead {
  padding: clamp(3rem, 9vw, 7rem) var(--pad) clamp(2.5rem, 6vw, 5rem);
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  margin: 0 0 clamp(1.5rem, 4vw, 3rem);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary);
}

.display {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "opsz" 144, "SOFT" 30;
  font-size: clamp(4rem, 18vw, 22rem);
  line-height: 0.85;
  letter-spacing: -0.035em;
  margin-bottom: -0.4em;
  text-wrap: balance;
}

.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.masthead__foot {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: clamp(3rem, 8vw, 6rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.lede {
  margin: 0;
  max-width: var(--measure);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.6;
}

.masthead__meta {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  line-height: 1.9;
}

@media (min-width: 900px) {
  .masthead__foot {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: end;
  }
  .masthead__meta { text-align: right; }
}

/* ============================================================
   SECTIONS
   ============================================================ */

.section {
  padding: clamp(3.5rem, 8vw, 7rem) var(--pad);
  border-bottom: 1px solid var(--rule);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 2rem;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-variation-settings: "opsz" 90;
  font-size: clamp(2rem, 6vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
}

.section__note {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--secondary);
}

.section--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 4rem);
}

@media (min-width: 900px) {
  .section--split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
  .section--split .section__head { margin-bottom: 0; position: sticky; top: 6rem; }
}

.prose { max-width: var(--measure); }

.prose p {
  margin: 0 0 1.35em;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.7;
}

.prose p:last-child { margin-bottom: 0; }

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

/* ============================================================
   WORK — museum wall labels
   ============================================================ */

.wall {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(3rem, 7vw, 6rem);
}

@media (min-width: 780px) {
  .wall { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(3rem, 6vw, 6rem) clamp(2rem, 5vw, 5rem); }
}

@media (min-width: 1200px) {
  .work:nth-child(4n + 1),
  .work:nth-child(4n + 4) { grid-column: span 2; }
  .work:nth-child(4n + 1) .work__frame,
  .work:nth-child(4n + 4) .work__frame { aspect-ratio: 21 / 9; }
}

.work {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.work__frame {
  margin: 0;
  overflow: hidden;
  background: var(--bg-2);
  aspect-ratio: 3 / 2;
}

.work__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
  transition: transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.6s ease;
}

.work:hover .work__frame img {
  transform: scale(1.025);
  filter: saturate(1) contrast(1.04);
}

.label {
  display: grid;
  gap: 0.5rem;
  max-width: 46ch;
  padding-left: 0.9rem;
  border-left: 1px solid var(--accent);
}

.label h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-variation-settings: "opsz" 40;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.label__meta {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--secondary);
  line-height: 1.7;
}

.label__meta em { font-style: italic; text-transform: none; letter-spacing: 0.02em; }

.label__body {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ============================================================
   CONTACT
   ============================================================ */

.contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2.5rem, 5vw, 4rem);
}

@media (min-width: 900px) {
  .contact { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

.contact__details { display: grid; gap: 1.1rem; align-content: start; }

.contact__line {
  margin: 0;
  display: grid;
  gap: 0.2rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.contact__line span {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

.contact__line a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.contact__form { display: grid; gap: 0.4rem; }

.contact__form label {
  margin-top: 0.9rem;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%;
  padding: 0.75rem 0.85rem;
  min-height: 44px;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--ink);
  background: var(--bg-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  transition: border-color 0.25s ease;
}

.contact__form textarea { resize: vertical; }

.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.contact__form button {
  margin-top: 1.5rem;
  min-height: 48px;
  padding: 0.85rem 1.75rem;
  justify-self: start;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.25s ease;
}

.contact__form button:hover { opacity: 0.85; }
.contact__form button:disabled { opacity: 0.5; cursor: default; }

.form-status {
  margin: 1rem 0 0;
  font-size: 0.85rem;
  color: var(--secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-foot {
  padding: clamp(2.5rem, 6vw, 4rem) var(--pad) clamp(4rem, 8vw, 6rem);
  display: grid;
  gap: 0.35rem;
}

.site-foot__name {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 400;
  font-variation-settings: "opsz" 60;
  letter-spacing: -0.02em;
}

.site-foot__note {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.attribution {
  margin: 1.5rem 0 0;
  font-size: 0.7rem;
  opacity: 0.55;
  font-family: var(--sans);
}

.attribution a { color: inherit; }

/* ============================================================
   VIEW TRANSITIONS
   ============================================================ */

@view-transition { navigation: auto; }

::view-transition-old(root) {
  animation: vt-out 0.32s cubic-bezier(0.4, 0, 0.2, 1) both;
}

::view-transition-new(root) {
  animation: vt-in 0.42s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes vt-out {
  to { opacity: 0; transform: translateY(-1.2rem); }
}

@keyframes vt-in {
  from { opacity: 0; transform: translateY(1.2rem); }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@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;
  }
  .work:hover .work__frame img { transform: none; }
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none; }
}