/* ==========================================================================
   EresLabs — Demo Galerisi
   Sade, premium, kurumsal. Renkler ve ölçüler CSS değişkenleriyle yönetilir.
   ========================================================================== */

:root {
  color-scheme: light;

  /* Renk */
  --ink: #1b2230;          /* ana metin: lacivert-antrasit */
  --ink-soft: #3f4757;     /* ikincil metin */
  --muted: #5d6474;        /* yardımcı metin */
  --paper: #f3f3f1;        /* ana zemin: kırık beyaz / açık sıcak gri */
  --surface: #fafaf8;      /* kart yüzeyi */
  --surface-2: #eaeae7;    /* ikincil yüzey */
  --line: #dcdcd7;         /* ince, düşük kontrastlı kenarlık */
  --line-strong: #c3c4c0;
  --accent: #34559b;       /* vurgu: ölçülü mavi */
  --accent-ink: #2a4580;   /* vurgu, hover */
  --accent-tint: #dce3f0;

  /* Tipografi: sistem fontları, harici font isteği yok */
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Ölçü */
  --gutter: clamp(1rem, 4vw, 2rem);
  --measure: 38rem;
  --radius: 8px;
  --ease: 180ms ease;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

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

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

[hidden] {
  display: none !important;
}

section[id] {
  scroll-margin-top: 4.5rem;
}

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

.wrap {
  width: min(100% - 2 * var(--gutter), 72rem);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: 0;
  z-index: 40;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

/* Başlıklar ---------------------------------------------------------------- */

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 1.5rem + 4.2vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.375rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

p {
  margin: 0;
  text-wrap: pretty;
}

/* Düğmeler ve bağlantılar -------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font: 600 0.9375rem/1.2 var(--font-body);
  text-decoration: none;
  transition: background-color var(--ease), border-color var(--ease), color var(--ease);
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

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

.link-quiet {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  text-decoration-color: var(--line-strong);
  transition: text-decoration-color var(--ease);
}

.link-quiet:hover {
  text-decoration-color: var(--ink);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1.5rem;
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.site-nav ul {
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: block;
  padding: 0.6rem 0.85rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.4em;
  transition: color var(--ease), text-decoration-color var(--ease);
}

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

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.9rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font: 600 0.9375rem/1 var(--font-body);
  cursor: pointer;
}

.nav-toggle-bars,
.nav-toggle-bars::before {
  display: block;
  width: 1.125rem;
  height: 1.5px;
  background: currentColor;
}

.nav-toggle-bars {
  position: relative;
  height: 1.5px;
  margin-block: 0.3rem;
}

.nav-toggle-bars::before {
  content: "";
  position: absolute;
  left: 0;
  top: -0.35rem;
}

@media (max-width: 47.99em) {
  .js .nav-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.25rem var(--gutter) 1rem;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

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

  .js .site-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .js .site-nav li + li a {
    border-top: 1px solid var(--line);
  }

  .js .site-nav a {
    padding: 0.95rem 0;
  }
}

/* Bölümler ----------------------------------------------------------------- */

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

.section--ruled {
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.section-head p {
  max-width: var(--measure);
  margin-top: 0.9rem;
  color: var(--muted);
}

.empty {
  color: var(--muted);
}

/* Hero --------------------------------------------------------------------- */

.hero {
  padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(3rem, 7vw, 5.5rem);
}

.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.hero-lead {
  max-width: 34rem;
  margin-top: 1.5rem;
  color: var(--ink-soft);
  font-size: 1.1875rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  margin-top: 2rem;
}

.hero-art img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

@media (min-width: 60em) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* Hero girişi: sayfadaki tek yüklenme hareketi, kısa ve hafif */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy {
    animation: hero-in 260ms ease-out both;
  }
}

@keyframes hero-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* Durum etiketi ------------------------------------------------------------ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 0.8125rem;
  line-height: 1.2;
  white-space: nowrap;
}

.badge-dot {
  width: 0.5rem;
  height: 0.5rem;
  border: 1.5px solid var(--muted);
  border-radius: 50%;
}

.badge--available {
  border-color: var(--accent);
  color: var(--accent-ink);
}

.badge--available .badge-dot {
  border-color: var(--accent);
  background: var(--accent);
}

/* Kategori kartları -------------------------------------------------------- */

.card-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 48em) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
  }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--ease);
}

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

.card-media {
  width: 100%;
  border-bottom: 1px solid var(--line);
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.5rem;
}

.card-text {
  margin-top: 0.6rem;
  color: var(--muted);
}

.card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: auto;
  padding-top: 1.25rem;
}

.card-text + .card-foot {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.card-link {
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.3em;
  text-decoration-color: var(--line-strong);
  transition: text-decoration-color var(--ease), color var(--ease);
}

.card:hover .card-link {
  color: var(--accent-ink);
  text-decoration-color: var(--accent);
}

/* Kartın tamamı tek bir bağlantı gibi tıklanır */
.card-link::after {
  content: "";
  position: absolute;
  inset: 0;
}

.card-link:focus-visible {
  outline: none;
}

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

/* Seçilmiş çalışmalar ------------------------------------------------------ */

.work {
  display: grid;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.work + .work {
  margin-top: 1.5rem;
}

.work-media {
  width: 100%;
  border-bottom: 1px solid var(--line);
}

.work-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
}

.work-title {
  font-size: clamp(1.5rem, 1.1rem + 1.2vw, 2rem);
}

.work-text {
  max-width: 32rem;
  color: var(--muted);
}

.work-meta {
  display: grid;
  gap: 0.6rem;
  width: 100%;
  margin: 0.25rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
}

.work-meta div {
  display: grid;
  gap: 0.15rem;
}

.work-meta dt {
  color: var(--muted);
}

.work-meta dd {
  margin: 0;
  color: var(--ink);
}

.work-actions {
  margin-top: 0.5rem;
}

.work-note {
  max-width: var(--measure);
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

@media (min-width: 52em) {
  .work {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }

  .work-media {
    height: 100%;
    object-fit: cover;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .work-meta div {
    grid-template-columns: 7rem 1fr;
    gap: 1rem;
  }
}

/* Hakkımızda --------------------------------------------------------------- */

.about-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

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

.about-copy p {
  margin-top: 1.25rem;
  color: var(--ink-soft);
}

.principles {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.principles li {
  padding-block: 1.25rem;
  border-top: 1px solid var(--line);
}

.principles li:last-child {
  border-bottom: 1px solid var(--line);
}

.principles h3 {
  font-size: 1.125rem;
}

.principles p {
  margin-top: 0.35rem;
  color: var(--muted);
}

@media (min-width: 52em) {
  .about-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* İletişim ----------------------------------------------------------------- */

.contact-grid {
  display: grid;
  gap: 1.75rem;
  align-items: center;
}

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

.contact-copy p {
  margin-top: 0.9rem;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-pending {
  max-width: 24rem;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.9375rem;
}

@media (min-width: 52em) {
  .contact-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 4rem;
  }

  .contact-actions {
    justify-content: flex-end;
  }
}

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

.site-footer {
  padding-block: 3rem 2rem;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-brand p {
  max-width: 24rem;
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav a {
  display: block;
  padding-block: 0.4rem;
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.footer-copy {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 0.875rem;
}

@media (min-width: 48em) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}

/* 404 sayfası -------------------------------------------------------------- */

.notfound {
  padding-block: clamp(4rem, 12vw, 9rem);
}

.notfound p {
  max-width: var(--measure);
  margin-top: 1.25rem;
  color: var(--muted);
}

.notfound .btn {
  margin-top: 2rem;
}

/* Hareket tercihi ---------------------------------------------------------- */

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