/* Hallmark · genre: editorial · macrostructure: Split Studio · theme: Atelier
 * audience: Nallıhanlılar ve ziyaretçiler · use: derneği tanıtmak ve üyeliğe yönlendirmek
 * tone: sıcak ve prestijli · enrichment: photography · nav: N6 · footer: Ft6
 * contrast: pass (40–41) · slop: pass (42–49) · mobile: pass (34, 49–57)
 * Hallmark · pre-emit critique: P5 H5 E4 S5 R5 V5
 */
@import url("../tokens.css");

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

html,
body {
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body.home-page {
  min-width: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

button,
summary {
  font: inherit;
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-dropdown);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-accent-ink);
  background: var(--color-accent-dark);
  transform: translateY(-180%);
}

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

.page-shell {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--page-max));
  margin-inline: auto;
}

/* N6 · newspaper masthead */
.masthead {
  padding-block: var(--space-sm) 0;
  background: var(--color-paper);
}

.masthead__issue {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-lg);
  padding-block-end: var(--space-sm);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-caps: all-small-caps;
  letter-spacing: 0.12em;
}

.masthead__brand {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr) 4rem;
  align-items: center;
  gap: var(--space-lg);
  padding-block: var(--space-md);
  text-decoration: none;
}

.masthead__brand img {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
}

.masthead__name {
  min-width: 0;
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.6vw, 4.5rem);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.9;
  text-align: center;
  overflow-wrap: anywhere;
}

.masthead__seal {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  text-align: end;
}

.masthead__nav {
  border-block-start: var(--rule-hair) solid var(--color-rule);
  border-block-end: var(--rule-double) double var(--color-ink);
}

.masthead__nav ul {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(var(--space-sm), 2.5vw, var(--space-xl));
  margin: 0;
  padding: var(--space-sm) 0;
  list-style: none;
}

.masthead__nav a,
.mobile-menu a {
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.masthead__nav a {
  padding-block: var(--space-xs);
  border-block-end: 2px solid var(--color-transparent);
  line-height: 1;
  transition:
    color var(--dur-short) var(--ease-out),
    border-color var(--dur-short) var(--ease-out);
}

.masthead__nav a:hover,
.masthead__nav a[aria-current="page"] {
  color: var(--color-accent);
  border-block-end-color: var(--color-accent);
}

.masthead__nav a:active,
.mobile-menu a:active,
.text-link:active,
.foot-letter a:active {
  color: var(--color-accent-dark);
}

a[aria-disabled="true"] {
  color: var(--color-muted);
  pointer-events: none;
  text-decoration: line-through;
}

.masthead__nav .business-link {
  color: var(--color-accent);
}

.mobile-menu {
  display: none;
  border-block-end: var(--rule-double) double var(--color-ink);
}

.mobile-menu summary {
  min-height: 2.75rem;
  padding-block: var(--space-sm);
  cursor: pointer;
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1;
  list-style: none;
  text-align: center;
  white-space: nowrap;
}

.mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mobile-menu summary::after {
  content: " +";
  color: var(--color-accent);
}

.mobile-menu[open] summary::after {
  content: " −";
}

.mobile-menu__links {
  display: grid;
  gap: var(--space-2xs);
  padding-block-end: var(--space-md);
}

.mobile-menu__links a {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

/* Split Studio */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-xl), 6vw, var(--space-3xl));
  align-items: center;
  padding-block-start: var(--space-xl);
  padding-block-end: var(--space-2xl);
}

.hero__copy {
  min-width: 0;
}

.hero__date {
  margin: 0 0 var(--space-lg);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero h1 {
  min-width: 0;
  max-width: 12ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.hero__lede {
  max-width: 52ch;
  margin: var(--space-xl) 0 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
  line-height: 1.55;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-block-start: var(--space-xl);
}

.cta {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-control);
  color: var(--color-ink);
  background: var(--color-transparent);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--dur-short) var(--ease-out),
    background-color var(--dur-short) var(--ease-out),
    transform var(--dur-micro) var(--ease-out);
}

.cta--primary {
  color: var(--color-accent-ink);
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

.cta:hover,
.cta[data-state="success"] {
  color: var(--color-accent-ink);
  background: var(--color-ink);
}

.cta:active,
.cta[data-state="loading"] {
  transform: translateY(1px);
}

.cta[aria-disabled="true"] {
  color: var(--color-muted);
  background: var(--color-paper-2);
  border-color: var(--color-rule);
  pointer-events: none;
}

.cta[data-state="error"] {
  color: var(--color-accent);
  border-style: dashed;
  border-color: var(--color-accent);
}

.cta:focus-visible,
.masthead a:focus-visible,
.mobile-menu summary:focus-visible,
.foot-letter a:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.hero__figure,
.split__figure,
.gallery-led__feature,
.gallery-led__minor {
  margin: 0;
}

.hero__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-image);
  filter: saturate(0.78) contrast(1.04);
}

figcaption {
  display: flex;
  justify-content: space-between;
  gap: var(--space-md);
  margin-block-start: var(--space-xs);
  color: var(--color-muted);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.purpose {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  gap: clamp(var(--space-xl), 7vw, var(--space-4xl));
  padding-block: var(--space-2xl) var(--space-3xl);
}

.purpose h2,
.split h2,
.gallery-led h2,
.membership h2 {
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.purpose__intro {
  margin: var(--space-lg) 0 0;
  color: var(--color-muted);
  max-width: 34ch;
}

.purpose__ledger {
  margin: 0;
}

.purpose__row {
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.purpose__row:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule);
}

.purpose__row dt {
  margin: 0 0 var(--space-xs);
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.purpose__row dd {
  margin: 0;
}

.purpose__row p {
  max-width: 58ch;
  margin: 0;
  color: var(--color-ink-2);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: clamp(var(--space-xl), 7vw, var(--space-4xl));
  align-items: center;
  padding-block: var(--space-3xl);
}

.split--reverse .split__copy {
  order: 2;
}

.split--reverse .split__figure {
  order: 1;
}

.split__copy {
  max-width: 34rem;
}

.split__copy p {
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-block-start: var(--space-lg);
  padding-block: var(--space-xs);
  color: var(--color-accent-dark);
  font-weight: 700;
  text-decoration-thickness: var(--rule-hair);
  text-underline-offset: var(--space-2xs);
  white-space: nowrap;
}

.text-link:hover {
  text-decoration-thickness: 2px;
}

.text-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

.split__figure img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: var(--radius-image);
  filter: saturate(0.82) contrast(1.02);
}

.gallery-led {
  padding-block: var(--space-2xl) var(--space-3xl);
}

.gallery-led__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-xl);
  padding-block-end: var(--space-xl);
}

.gallery-led__grid {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.gallery-led__feature {
  grid-row: 1 / 3;
}

.gallery-led__feature img,
.gallery-led__minor img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.03);
}

.gallery-led__feature img {
  aspect-ratio: 4 / 3;
}

.gallery-led__minor {
  min-height: 0;
}

.gallery-led__minor img {
  aspect-ratio: 16 / 10;
}

.membership {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(var(--space-xl), 7vw, var(--space-4xl));
  align-items: end;
  padding-block: var(--space-3xl);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.membership p {
  max-width: 52ch;
  margin: var(--space-lg) 0 0;
  color: var(--color-ink-2);
  font-size: var(--text-md);
}

.membership__action {
  justify-self: end;
}

/* Ft6 · letter close */
.foot-letter {
  padding-block: var(--space-3xl) var(--space-xl);
  color: var(--color-accent-ink);
  background: var(--color-ink);
}

.foot-letter__inner {
  max-width: 65ch;
}

.foot-letter__close {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  line-height: 1.35;
}

.foot-letter__sign {
  font-style: normal;
  font-weight: 700;
}

.foot-letter__ps {
  margin: var(--space-xl) 0 0;
  color: var(--color-paper-3);
  font-size: var(--text-sm);
}

.foot-letter__ps a {
  color: var(--color-gold);
  white-space: nowrap;
}

.foot-letter__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-xl);
  margin-block-start: var(--space-xl);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-muted);
  color: var(--color-paper-3);
  font-size: var(--text-xs);
}

.foot-letter__credit {
  width: fit-content;
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  margin-block-start: var(--space-lg);
  margin-inline-start: auto;
  padding: var(--space-2xs);
  border-radius: var(--radius-control);
  background-color: var(--color-paper);
  text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out);
}

.foot-letter__credit img {
  width: 2.5rem;
  height: 2.5rem;
  display: block;
  border-radius: var(--radius-image);
  object-fit: contain;
}

@media (hover: hover) and (pointer: fine) {
  .foot-letter__credit:hover {
    background-color: var(--color-paper-2);
  }
}

.foot-letter__credit:active {
  background-color: var(--color-paper-3);
}

@media (max-width: 59.999rem) {
  .masthead__nav {
    display: none;
  }

  .mobile-menu {
    display: block;
  }

  .hero,
  .purpose,
  .split,
  .membership {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    gap: var(--space-2xl);
  }

  .hero__figure img {
    aspect-ratio: 16 / 10;
  }

  .purpose,
  .split,
  .membership {
    gap: var(--space-xl);
  }

  .split--reverse .split__copy,
  .split--reverse .split__figure {
    order: initial;
  }

  .membership__action {
    justify-self: start;
  }
}

@media (max-width: 39.999rem) {
  .masthead__issue {
    justify-content: center;
    text-align: center;
  }

  .masthead__issue span:last-child {
    display: none;
  }

  .masthead__brand {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: var(--space-sm);
  }

  .masthead__brand img {
    width: 3rem;
    height: 3rem;
  }

  .masthead__name {
    font-size: clamp(2rem, 15vw, 3.25rem);
    text-align: start;
  }

  .masthead__seal {
    display: none;
  }

  .hero {
    padding-block: var(--space-2xl);
  }

  .hero h1 {
    font-size: var(--text-display-s);
  }

  .hero__actions,
  .gallery-led__head,
  .foot-letter__meta {
    align-items: stretch;
    flex-direction: column;
  }

  .cta {
    width: 100%;
  }

  .purpose {
    padding-block: var(--space-xl) var(--space-2xl);
  }

  .purpose__row {
    padding-block: var(--space-md);
  }

  .split,
  .gallery-led,
  .membership {
    padding-block: var(--space-2xl);
  }

  .gallery-led__grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto;
  }

  .gallery-led__feature {
    grid-row: auto;
  }

  .gallery-led__minor img,
  .gallery-led__feature img {
    aspect-ratio: 4 / 3;
  }
}

@media (hover: hover) and (pointer: fine) {
  .cta:hover {
    transform: translateY(-1px);
  }
}

@media (pointer: coarse) {
  .cta,
  .masthead__nav a,
  .mobile-menu a,
  .mobile-menu summary,
  .text-link,
  .foot-letter a {
    min-height: 2.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}