/* ============================================
   Merve Kızıl — Portfolio
   Minimal design on white
   ============================================ */

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #8a8a8a;
  --color-line: #e6e6e6;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --spacing-page: clamp(1.25rem, 5vw, 4rem);
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

a:hover {
  border-bottom-color: var(--color-text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem var(--spacing-page);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.brand:hover {
  border-bottom-color: transparent;
}

.site-header nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.25rem);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

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

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-page);
}

section {
  padding: clamp(3.5rem, 10vw, 7rem) 0;
  border-bottom: 1px solid var(--color-line);
}

section:last-of-type {
  border-bottom: none;
}

h1,
h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 2.5rem;
}

h2 span {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-left: 0.75rem;
  white-space: nowrap;
}

/* ---------- Intro ---------- */

.intro {
  text-align: center;
  padding: clamp(5rem, 14vw, 9rem) 0;
}

.intro h1 {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}

.tagline {
  max-width: 34rem;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 1.05rem;
}

/* ---------- Works grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.work {
  cursor: zoom-in;
}

.work img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #f6f6f6;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.work:hover img {
  opacity: 0.9;
  transform: translateY(-4px);
}

.work figcaption {
  padding-top: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.work figcaption em {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text);
}

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.about-photo img {
  width: 100%;
}

.about-text p {
  max-width: 40rem;
  margin-bottom: 1.25rem;
}

.about-text .links {
  margin-top: 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ---------- Exhibition ---------- */

.exhibition .event {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: 2.5rem;
}

.exhibition .event span {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}

.presentation img {
  width: 100%;
}

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

footer {
  padding: 2.5rem var(--spacing-page);
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
}

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

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.97);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: zoom-out;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.lightbox p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .work img,
  .work:hover img {
    transition: none;
    transform: none;
  }
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about-photo {
    max-width: 24rem;
  }
}

@media (max-width: 560px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }
}