/* ============================================================
   ECEBAZ SANAT GALERİSİ — Ana Stil Dosyası
   ============================================================ */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Inter:wght@300;400;500&display=swap');

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #fafaf7;
  --white:     #ffffff;
  --text:      #1a1a1a;
  --meta:      #888888;
  --border:    #dddddd;
  --accent:    #c2410c;
  --accent-h:  #9a3412;
  --serif:     'Cormorant Garamond', Georgia, serif;
  --sans:      'Inter', system-ui, sans-serif;
  --ease:      cubic-bezier(0.25, 0.1, 0.25, 1);
  --gap:       clamp(1.5rem, 4vw, 3rem);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

/* ── Typography ── */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.1rem; }

p { font-size: clamp(0.95rem, 1.5vw, 1.05rem); }

.label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--meta);
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
}

.section {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

.section--tight {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid transparent;
  transition: border-color 250ms var(--ease), background 250ms var(--ease);
}

.nav.scrolled {
  border-color: var(--border);
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(8px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.nav__logo {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text);
  transition: opacity 250ms var(--ease);
}

.nav__logo:hover { opacity: 0.6; }

.nav__links {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav__link {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--text);
  position: relative;
  transition: color 250ms var(--ease);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 250ms var(--ease);
}

.nav__link:hover { color: var(--accent); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--accent); }
.nav__link.active::after { width: 100%; }

/* Hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  background: none;
  border: none;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text);
  transition: transform 250ms var(--ease), opacity 250ms var(--ease);
}

.nav__burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 350ms var(--ease);
}

.nav__mobile.open { max-height: 400px; }

.nav__mobile a {
  display: block;
  padding: 1rem clamp(1.5rem, 5vw, 5rem);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}

/* ── Hero ── */
.hero {
  padding-top: 4.5rem;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 7vw, 7rem) clamp(1.5rem, 5vw, 5rem);
}

.hero__eyebrow {
  margin-bottom: 1.5rem;
}

.hero__title {
  margin-bottom: 1.5rem;
  font-style: italic;
  color: var(--text);
}

.hero__meta {
  color: var(--meta);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.hero__desc {
  margin-bottom: 2.5rem;
  max-width: 38ch;
  color: #444;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.hero__image:hover img { transform: scale(1.03); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--text);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: background 250ms var(--ease), color 250ms var(--ease), border-color 250ms var(--ease);
  font-family: var(--sans);
}

.btn:hover {
  background: var(--text);
  color: var(--bg);
}

.btn--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--accent-h);
  border-color: var(--accent-h);
  color: #fff;
}

/* ── Section Header ── */
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header__label {
  margin-bottom: 0.75rem;
}

.section-header__title {
  max-width: 20ch;
}

.section-header__link {
  margin-top: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 250ms var(--ease);
}

.section-header__link:hover { gap: 0.8rem; }

/* ── Exhibitions Grid ── */
.exhibitions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--gap);
}

.exhibition-card {
  cursor: pointer;
}

.exhibition-card__image {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--border);
  margin-bottom: 1.2rem;
}

.exhibition-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease), filter 500ms var(--ease);
  filter: brightness(0.97);
}

.exhibition-card:hover .exhibition-card__image img {
  transform: scale(1.04);
  filter: brightness(1);
}

.exhibition-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  font-weight: 500;
}

.exhibition-card__body {}

.exhibition-card__date {
  font-size: 0.78rem;
  color: var(--meta);
  margin-bottom: 0.4rem;
}

.exhibition-card__title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-style: italic;
  margin-bottom: 0.3rem;
  transition: color 250ms var(--ease);
}

.exhibition-card:hover .exhibition-card__title { color: var(--accent); }

.exhibition-card__artist {
  font-size: 0.82rem;
  color: var(--meta);
}

/* ── Featured Exhibition ── */
.featured-exhibition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 70vh;
}

.featured-exhibition__image {
  overflow: hidden;
}

.featured-exhibition__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease);
}

.featured-exhibition:hover .featured-exhibition__image img {
  transform: scale(1.03);
}

.featured-exhibition__content {
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 6rem);
}

.featured-exhibition__content .label { margin-bottom: 1.5rem; }
.featured-exhibition__content h2 { font-style: italic; margin-bottom: 0.5rem; }
.featured-exhibition__content .artist { color: var(--meta); margin-bottom: 1.5rem; font-size: 1rem; }
.featured-exhibition__content .dates { font-size: 0.82rem; color: var(--meta); margin-bottom: 0.75rem; }
.featured-exhibition__content p { margin-bottom: 2rem; color: #444; max-width: 42ch; }

/* ── Artists Grid ── */
.artists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: var(--gap);
}

.artist-card {
  text-align: center;
}

.artist-card__photo {
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  margin-bottom: 1.2rem;
  background: var(--border);
}

.artist-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease), filter 500ms var(--ease);
  filter: grayscale(20%);
}

.artist-card:hover .artist-card__photo img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.artist-card__name {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.artist-card__medium {
  font-size: 0.78rem;
  color: var(--meta);
  letter-spacing: 0.05em;
}

/* ── Quote / Manifesto ── */
.quote-section {
  background: var(--text);
  color: var(--bg);
  padding: clamp(5rem, 10vw, 10rem) 0;
  text-align: center;
}

.quote-section blockquote {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-style: italic;
  font-weight: 300;
  max-width: 22ch;
  margin: 0 auto 1.5rem;
  line-height: 1.3;
}

.quote-section cite {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.5;
}

/* ── Footer ── */
.footer {
  background: var(--text);
  color: var(--bg);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--gap);
  margin-bottom: 3rem;
}

.footer__brand .nav__logo {
  color: var(--bg);
  font-size: 1.8rem;
  display: block;
  margin-bottom: 1rem;
}

.footer__brand p {
  font-size: 0.85rem;
  opacity: 0.55;
  max-width: 28ch;
  line-height: 1.6;
}

.footer__col h5 {
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.45;
  margin-bottom: 1.2rem;
}

.footer__col ul li { margin-bottom: 0.5rem; }

.footer__col ul li a {
  font-size: 0.85rem;
  opacity: 0.65;
  transition: opacity 250ms var(--ease);
}

.footer__col ul li a:hover { opacity: 1; }

.footer__col address {
  font-style: normal;
  font-size: 0.85rem;
  opacity: 0.65;
  line-height: 1.8;
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer__bottom p {
  font-size: 0.75rem;
  opacity: 0.35;
}

/* ── Page Header ── */
.page-header {
  padding-top: calc(4.5rem + clamp(3rem, 6vw, 5rem));
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin-top: 1rem;
  font-style: italic;
}

/* ── Exhibition Detail ── */
.exhibition-detail__hero {
  width: 100%;
  max-height: 70vh;
  overflow: hidden;
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
}

.exhibition-detail__hero img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
}

.exhibition-detail__meta {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--gap);
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.exhibition-detail__text p {
  margin-bottom: 1.2em;
  color: #333;
}

.exhibition-detail__info {
  border-left: 1px solid var(--border);
  padding-left: var(--gap);
}

.info-row {
  margin-bottom: 1.5rem;
}

.info-row .label { margin-bottom: 0.3rem; }
.info-row p { font-size: 0.9rem; }

/* Artwork gallery grid */
.artwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.artwork-item {
  cursor: pointer;
  position: relative;
  overflow: hidden;
  background: var(--border);
}

.artwork-item img {
  width: 100%;
  display: block;
  aspect-ratio: 4/5;
  object-fit: cover;
  transition: transform 500ms var(--ease), filter 500ms var(--ease);
}

.artwork-item:hover img {
  transform: scale(1.04);
  filter: brightness(0.9);
}

.artwork-item__caption {
  padding: 0.8rem 0;
}

.artwork-item__caption h4 {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.artwork-item__caption p {
  font-size: 0.78rem;
  color: var(--meta);
}

/* ── Lightbox ── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 10, 10, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  gap: 2rem;
  align-items: center;
}

.lightbox__img {
  max-width: 70vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__info {
  color: #fff;
  min-width: 220px;
  max-width: 280px;
}

.lightbox__info h3 {
  font-family: var(--serif);
  font-style: italic;
  margin-bottom: 0.5rem;
  color: #fff;
}

.lightbox__info p {
  font-size: 0.85rem;
  opacity: 0.6;
}

.lightbox__close {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 250ms var(--ease);
}

.lightbox__close:hover { background: rgba(255,255,255,0.1); }

.lightbox__nav {
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 44px;
  height: 44px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 250ms var(--ease);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__nav:hover { background: rgba(255,255,255,0.1); }

/* ── Artist Detail ── */
.artist-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding-top: clamp(2rem, 5vw, 5rem);
}

.artist-detail__photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.artist-detail__bio h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-style: italic;
  margin: 0.5rem 0 0.5rem;
}

.artist-detail__bio .medium {
  color: var(--meta);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
}

.artist-detail__bio p {
  margin-bottom: 1.2em;
  color: #333;
}

/* ── About ── */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  padding: clamp(3rem, 7vw, 7rem) 0;
}

.about-intro__image img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-intro__text .label { margin-bottom: 1.5rem; }
.about-intro__text h2 { margin-bottom: 1.5rem; font-style: italic; }
.about-intro__text p { margin-bottom: 1.2em; color: #333; }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: var(--gap);
}

.team-card__photo {
  aspect-ratio: 1;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--border);
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter 500ms var(--ease);
}

.team-card:hover .team-card__photo img { filter: grayscale(0%); }

.team-card h4 { font-family: var(--serif); margin-bottom: 0.25rem; }
.team-card p { font-size: 0.8rem; color: var(--meta); }

/* ── Contact ── */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 7rem);
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.contact-info .label { margin-bottom: 1.5rem; }
.contact-info h2 { font-style: italic; margin-bottom: 2rem; }

.contact-detail {
  margin-bottom: 1.8rem;
}

.contact-detail .label { margin-bottom: 0.4rem; }
.contact-detail p { font-size: 0.9rem; line-height: 1.6; }
.contact-detail a { transition: color 250ms var(--ease); }
.contact-detail a:hover { color: var(--accent); }

.map-embed {
  margin-top: 2rem;
  width: 100%;
  height: 260px;
  border: 0;
  filter: grayscale(20%);
}

/* Contact Form */
.contact-form { }

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  color: var(--meta);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  background: var(--white);
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 250ms var(--ease);
  border-radius: 0;
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--text);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-notice {
  font-size: 0.78rem;
  color: var(--meta);
  margin-top: 0.75rem;
}

/* ── Filter Tabs ── */
.filter-tabs {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--border);
}

.filter-tab {
  padding: 0.75rem 1.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 250ms var(--ease), border-color 250ms var(--ease);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--sans);
  color: var(--meta);
}

.filter-tab.active,
.filter-tab:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── Utilities ── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mt-sm { margin-top: 1rem; }
.mt-md { margin-top: 2rem; }
.mt-lg { margin-top: 3rem; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 600ms var(--ease) both;
}

.fade-up--delay-1 { animation-delay: 100ms; }
.fade-up--delay-2 { animation-delay: 200ms; }
.fade-up--delay-3 { animation-delay: 320ms; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__mobile { display: flex; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__image {
    aspect-ratio: 4/3;
    order: -1;
  }

  .featured-exhibition {
    grid-template-columns: 1fr;
  }

  .featured-exhibition__image {
    aspect-ratio: 4/3;
  }

  .exhibition-detail__meta {
    grid-template-columns: 1fr;
  }

  .exhibition-detail__info {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: var(--gap);
  }

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

  .artist-detail {
    grid-template-columns: 1fr;
  }

  .artist-detail__photo {
    max-width: 320px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .lightbox__inner {
    flex-direction: column;
  }

  .lightbox__img {
    max-width: 95vw;
    max-height: 60vh;
  }

  .lightbox__info {
    min-width: auto;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .exhibitions-grid {
    grid-template-columns: 1fr;
  }
}