/* ==========================================================================
   Zeynep Guvenc — Museum-quality artist website
   Palette: white / soft gray / black. Accent comes from artwork only.
   ========================================================================== */

:root {
  --white: #ffffff;
  --off-white: #fafaf8;
  --gray-light: #f2f1ee;
  --gray-mid: #d8d6d1;
  --gray-text: #6b6963;
  --ink: #1a1a18;
  --serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--ink);
}

/* Typography ------------------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 1rem;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }

p {
  margin: 0 0 1.25rem;
  max-width: 65ch;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin-bottom: 1rem;
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 1.55;
  color: var(--ink);
}

/* Skip link (accessibility) ---------------------------------------------- */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--white);
  padding: 0.6rem 1rem;
  z-index: 200;
}

.skip-link:focus {
  left: 0;
}

/* Header ----------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-light);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: clamp(1rem, 2.5vw, 2.2rem);
}

.site-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray-text);
  padding: 0.4rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s, opacity 0.25s;
}

@media (max-width: 820px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-light);
    display: none;
  }

  .site-nav.open { display: block; }

  .site-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gutter) 1rem;
  }

  .site-nav a {
    display: block;
    padding: 0.85rem 0;
    font-size: 0.85rem;
  }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* Layout ----------------------------------------------------------------- */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.section--tint {
  background: var(--off-white);
}

.section-head {
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* Hero (home) ------------------------------------------------------------ */

.hero {
  position: relative;
  min-height: min(88vh, 900px);
  display: flex;
  align-items: flex-end;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 20, 18, 0.55) 0%, rgba(20, 20, 18, 0.05) 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.hero-sub {
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero-intro {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.95);
}

/* Buttons ---------------------------------------------------------------- */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.btn {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 2.2rem;
  border: 1px solid currentColor;
  transition: background 0.2s, color 0.2s;
}

.btn--light {
  color: var(--white);
}

.btn--light:hover,
.btn--light:focus-visible {
  background: var(--white);
  color: var(--ink);
}

.btn--dark {
  color: var(--ink);
}

.btn--dark:hover,
.btn--dark:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.btn--solid {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.btn--solid:hover,
.btn--solid:focus-visible {
  background: transparent;
  color: var(--ink);
}

/* Featured works (home) -------------------------------------------------- */

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.featured-grid figure {
  margin: 0;
}

.featured-grid img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

figcaption {
  font-size: 0.85rem;
  color: var(--gray-text);
  margin-top: 0.75rem;
  letter-spacing: 0.02em;
}

figcaption .work-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink);
}

/* Two-column media/text -------------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.split--text-first .split-media { order: 2; }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
  .split--text-first .split-media { order: 0; }
}

/* Portfolio -------------------------------------------------------------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.filter-btn {
  background: none;
  border: none;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-text);
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.filter-btn:hover { color: var(--ink); }

.filter-btn[aria-pressed="true"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
}

.work {
  margin: 0;
}

.work.hidden { display: none; }

.work button {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
}

.work img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: opacity 0.25s;
}

.work button:hover img,
.work button:focus-visible img {
  opacity: 0.88;
}

/* Lightbox --------------------------------------------------------------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(12, 12, 11, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 3.5rem 1rem 4.5rem;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: min(92vw, 1100px);
  max-height: 78vh;
  object-fit: contain;
}

.lightbox-caption {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  text-align: center;
  width: min(90vw, 700px);
  letter-spacing: 0.03em;
}

.lightbox-caption em {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--white);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.75rem;
  transition: color 0.2s;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover { color: var(--white); }

.lightbox-close { top: 0.75rem; right: 1rem; }
.lightbox-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

/* Lists (exhibitions, workshops) ----------------------------------------- */

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 46rem;
}

.timeline li {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--gray-light);
}

.timeline .year {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--gray-text);
}

.timeline .what {
  font-weight: 500;
}

.timeline .where {
  color: var(--gray-text);
  font-size: 0.92rem;
}

.plain-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  max-width: 46rem;
}

.plain-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--gray-light);
}

/* Cards (workshop types) ------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}

.card h3 { margin-bottom: 0.5rem; }

.card .meta {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin-bottom: 1rem;
}

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

/* Detail table ----------------------------------------------------------- */

.detail-list {
  margin: 0;
  max-width: 46rem;
}

.detail-list div {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--gray-light);
}

.detail-list dt {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-text);
  padding-top: 0.2rem;
}

.detail-list dd { margin: 0; }

@media (max-width: 560px) {
  .detail-list div { grid-template-columns: 1fr; gap: 0.2rem; }
}

/* Photo strip ------------------------------------------------------------ */

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.photo-grid img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

/* Quote / testimonial ---------------------------------------------------- */

blockquote {
  margin: 0;
  padding: 0;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.55;
  font-style: italic;
  max-width: 44rem;
}

blockquote footer {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin-top: 1rem;
}

/* Contact form ----------------------------------------------------------- */

.contact-form {
  max-width: 34rem;
}

.contact-form label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-text);
  margin: 1.4rem 0 0.4rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--gray-mid);
  background: var(--white);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
  border-color: var(--ink);
}

.contact-form button {
  margin-top: 1.75rem;
  cursor: pointer;
  font-family: var(--sans);
}

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

.contact-meta li {
  padding: 0.4rem 0;
}

.contact-meta .label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-text);
  display: block;
}

/* Footer ----------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--gray-light);
  padding: 2.5rem 0;
  margin-top: clamp(3rem, 7vw, 5rem);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--gray-text);
}

.footer-inner a {
  color: var(--gray-text);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.footer-inner a:hover { color: var(--ink); }

.footer-links {
  display: flex;
  gap: 1.75rem;
}

/* Utility ---------------------------------------------------------------- */

.note-placeholder {
  font-size: 0.8rem;
  color: #a09a8e;
  font-style: italic;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}