/* 1. Değişkenler — renkler yalnızca burada tanımlanır. */
:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --surface: #ffffff;
  --surface-alt: #f4f2ed;
  --border: #e7e3da;
  --text: #1a1d1b;
  --text-secondary: #5c625e;
  --primary: #0e5147;
  --primary-hover: var(--inverse-bg);
  --primary-tint: #e4efec;
  --accent: #a87a3d;
  --accent-tint: #f6efe3;
  --inverse-bg: #0b4239;
  --inverse-text: #f1f3f1;
  --inverse-secondary: #c5d8d1;
  --inverse-accent: #d4a964;
  --on-primary: var(--surface);
  --shadow: 0 24px 64px color-mix(in srgb, var(--primary) 12%, transparent);
  --dark-bg: #0a0f0e;
  --dark-surface: #121917;
  --dark-surface-alt: #19211f;
  --dark-border: #243029;
  --dark-text-secondary: #a6b0ab;
  --dark-primary: #4fbfa8;
  --dark-primary-hover: #6dceba;
  --dark-primary-tint: #122a26;
  --dark-accent-tint: #2b241a;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-heading: var(--font-body);
  --radius: 20px;
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --bg: var(--dark-bg);
  --surface: var(--dark-surface);
  --surface-alt: var(--dark-surface-alt);
  --border: var(--dark-border);
  --text: var(--inverse-text);
  --text-secondary: var(--dark-text-secondary);
  --primary: var(--dark-primary);
  --primary-hover: var(--dark-primary-hover);
  --primary-tint: var(--dark-primary-tint);
  --accent: var(--inverse-accent);
  --accent-tint: var(--dark-accent-tint);
  --on-primary: var(--dark-bg);
  --shadow: none;
}
/* JavaScript kapalıyken de sistemin koyu tema seçimi korunur. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: var(--dark-bg);
    --surface: var(--dark-surface);
    --surface-alt: var(--dark-surface-alt);
    --border: var(--dark-border);
    --text: var(--inverse-text);
    --text-secondary: var(--dark-text-secondary);
    --primary: var(--dark-primary);
    --primary-hover: var(--dark-primary-hover);
    --primary-tint: var(--dark-primary-tint);
    --accent: var(--inverse-accent);
    --accent-tint: var(--dark-accent-tint);
    --on-primary: var(--dark-bg);
    --shadow: none;
  }
}
/* 2. Sıfırlama */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 144px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
a {
  color: var(--primary);
  text-underline-offset: 5px;
}
button,
summary {
  cursor: pointer;
}
[hidden] {
  display: none !important;
}
::selection {
  background: var(--primary);
  color: var(--on-primary);
}
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 5px;
}
p a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
/* 3. Tipografi */
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  font-variant-numeric: tabular-nums;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
}
h1 {
  font-size: clamp(2.65rem, 5.3vw, 4.5rem);
}
h2 {
  font-size: clamp(2rem, 3.2vw, 3rem);
}
h3 {
  font-size: 1.125rem;
  line-height: 1.45;
  font-weight: 600;
}
p {
  max-width: 68ch;
  color: var(--text-secondary);
}
h3 + p {
  margin-top: 16px;
}
em {
  font-style: normal;
  font-weight: inherit;
  color: var(--primary);
}
/* 4. Yardımcı Sınıflar */
.container {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}
.section {
  padding-block: 72px;
}
.eyebrow {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  margin-bottom: 24px;
}
.section-heading {
  margin-bottom: 40px;
}
.section-heading > p:last-child:not(.eyebrow) {
  margin-top: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 12px 24px;
  background: var(--surface);
  transform: translateY(-160%);
}
.skip-link:focus {
  transform: translateY(0);
}
/* İçerik betik olmadan görünür; gözlemci yalnızca görünen öğeyi canlandırır. */
.reveal.is-visible {
  animation: enter 400ms ease-out both;
}
@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* 5. Bileşenler */
.icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
  min-height: 44px;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  white-space: nowrap;
}
.brand img {
  width: 32px;
  height: 32px;
  background: var(--primary-tint);
  border-radius: 50%;
  padding: 4px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 500;
}
.button:hover {
  background: var(--primary-hover);
}
.button-small {
  min-height: 44px;
  padding: 8px 16px;
  font-size: 0.875rem;
}
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 12px;
}
.icon-button:hover {
  background: var(--surface-alt);
}
.icon-button:disabled {
  cursor: default;
  color: var(--text-secondary);
}
.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.store-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 12px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  line-height: 1.5;
  font-weight: 600;
}
.store-button > .icon {
  color: var(--primary);
}
.store-button small {
  display: block;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 400;
}
.store-button[aria-disabled='true'] {
  cursor: default;
}
.store-button[href]:hover {
  border-color: var(--primary);
  background: var(--primary-tint);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  font-weight: 500;
}
/* 6. Bölümler */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid transparent;
  background: var(--bg);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  border-bottom-color: var(--border);
  backdrop-filter: blur(16px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 8px;
  flex-wrap: wrap;
  padding-block: 12px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav {
  display: flex;
  order: 3;
  flex-basis: 100%;
  justify-content: space-between;
  gap: 8px;
}
.main-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-decoration: none;
}
.main-nav a[aria-current='location'] {
  color: var(--primary);
  text-decoration: underline;
}
.hero-explore {
  margin-bottom: 24px;
}
.hero-explore span {
  font-size: 1.2em;
}
.gallery-instruction {
  margin-bottom: 24px;
}
.screenshot-link {
  display: block;
  scroll-snap-align: start;
  border-radius: 24px;
}
.screenshot-link:focus-visible {
  outline-offset: 2px;
}
.screenshot-dialog {
  width: min(600px, calc(100% - 24px));
  max-height: calc(100dvh - 24px);
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  color: var(--text);
  overscroll-behavior: contain;
}
.screenshot-dialog::backdrop {
  background: color-mix(in srgb, var(--dark-bg) 86%, transparent);
}
.screenshot-toolbar,
.screenshot-paging {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.screenshot-toolbar {
  margin-bottom: 16px;
}
.screenshot-toolbar p {
  color: var(--text);
  font-size: 0.875rem;
}
.screenshot-full {
  width: auto;
  max-height: calc(100dvh - 208px);
  margin: auto;
  border-radius: 16px;
}
.screenshot-paging {
  margin-top: 16px;
}
.screenshot-paging .button {
  border: 0;
  font-size: 0.875rem;
}
.screenshot-paging .button:disabled {
  opacity: 0.5;
  cursor: default;
}
body:has(.screenshot-dialog[open]) {
  overflow: hidden;
}
.release-note {
  margin: 24px auto 8px;
  font-size: 0.875rem;
}
.feature-card h3 {
  text-wrap: balance;
}
h1,
h2 {
  text-wrap: balance;
}

/* Arka plan görselleri içerikten ayrı, etkileşimsiz katmanda kalır. */
.hero,
.closing {
  position: relative;
  isolation: isolate;
}
.hero::before,
.closing::before {
  content: '';
  position: absolute;
  z-index: -2;
  pointer-events: none;
  background-repeat: no-repeat;
}
.hero::before {
  inset: 0 auto auto 0;
  width: 100%;
  height: 320px;
  background-image: url('../img/hero-dua.webp');
  background-size: cover;
  background-position: 22% 28%;
  opacity: 0.85;
  /* Hem sağ kenarda hem mobilde alt kenarda gerçek alfa geçişi. */
  -webkit-mask-image: linear-gradient(to right, black 12%, transparent 100%),
    linear-gradient(to bottom, black 25%, transparent 65%);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(to right, black 12%, transparent 100%),
    linear-gradient(to bottom, black 25%, transparent 65%);
  mask-composite: intersect;
}
.hero-copy {
  position: relative;
  isolation: isolate;
}
.closing > .container::before {
  content: '';
  position: absolute;
  inset: -24px -16px;
  z-index: -1;
  pointer-events: none;
  border-radius: 24px;
  /* En koyu fotoğraf pikselinde bile metnin kontrastını korur. */
  background: color-mix(in srgb, var(--bg) 94%, transparent);
}
.hero {
  padding-block: 208px 72px;
  background: linear-gradient(110deg, var(--bg), var(--primary-tint));
  overflow: clip;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}
.hero-copy .lead,
.hero-copy .trust-line {
  color: var(--text);
}
.hero-copy .lead {
  margin-block: 24px 32px;
}
.trust-line {
  margin-top: 24px;
  font-size: 0.875rem;
}
.hero-visual {
  position: relative;
  isolation: isolate;
  width: min(100%, 320px);
  margin-inline: auto;
}
.hero-visual::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 14% -24%;
  border: 1px solid var(--accent);
  opacity: 0.14;
  border-radius: 50%;
}
.hero-visual img {
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.reasons-grid,
.features-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}
.reason {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.reason > .icon {
  color: var(--primary);
  margin-bottom: 24px;
}
.features-section {
  background: var(--surface-alt);
}
.feature-card {
  padding: 32px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.feature-card > .icon {
  color: var(--primary);
  margin-bottom: 24px;
}
.feature-note {
  margin: 32px auto 0;
  text-align: center;
}
.steps {
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  list-style: none;
}
.step-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--primary);
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.setup-note {
  margin-top: 40px;
  padding: 24px;
  border-left: 2px solid var(--accent);
  background: var(--surface-alt);
}
.gallery-section {
  border-top: 1px solid var(--border);
}
.gallery-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}
.gallery-controls {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}
.gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(82%, 82%);
  gap: 24px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) var(--surface-alt);
  padding: 8px 4px 32px;
}
.gallery img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
}
.privacy-section {
  background: var(--inverse-bg);
  color: var(--inverse-text);
}
.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
}
.privacy-section p {
  color: var(--inverse-secondary);
}
.privacy-section h2 + p {
  margin-block: 24px;
}
.privacy-section .eyebrow,
.privacy-section .text-link {
  color: var(--inverse-accent);
}
.privacy-section :focus-visible {
  outline-color: var(--inverse-accent);
}
.privacy-list {
  margin: 0;
  padding-left: 20px;
  color: var(--inverse-secondary);
}
.privacy-list li {
  padding-left: 8px;
  margin-bottom: 16px;
}
.privacy-list li::marker {
  color: var(--inverse-accent);
}
.privacy-section .privacy-highlight {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid color-mix(in srgb, var(--inverse-secondary) 35%, transparent);
  color: var(--inverse-text);
  font-size: 1.125rem;
  font-weight: 500;
}
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}
.faq-list {
  border-top: 1px solid var(--border);
}
details {
  border-bottom: 1px solid var(--border);
}
summary {
  position: relative;
  padding: 24px 32px 24px 0;
  list-style: none;
  font-weight: 500;
  line-height: 1.6;
  min-height: 44px;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: '+';
  position: absolute;
  top: 24px;
  right: 4px;
  color: var(--primary);
}
details[open] summary::after {
  content: '−';
}
details p {
  padding-bottom: 24px;
}
.closing {
  text-align: center;
  border-block: 1px solid var(--border);
  background: var(--primary-tint);
}
.closing {
  overflow: clip;
}
.closing::before {
  inset: 0;
  background-image: url('../img/huzur-avlusu.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.62;
}
.closing > .container {
  position: relative;
  isolation: isolate;
  width: min(680px, calc(100% - 64px));
}
.closing > .container::before {
  background: color-mix(in srgb, var(--primary-tint) 96%, transparent);
}
.closing .eyebrow {
  margin-inline: auto;
}
.closing h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
}
.closing .store-buttons {
  justify-content: center;
  margin-top: 32px;
}
.site-footer {
  padding-block: 48px 24px;
}
.footer-top {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.footer-top p {
  margin-top: 16px;
  font-size: 0.875rem;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
}
.footer-nav a,
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.footer-nav [aria-disabled] {
  text-decoration: none;
  cursor: default;
  gap: 4px;
}
.footer-nav small {
  font-size: inherit;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
}
.document-main {
  max-width: 760px;
  padding-block: 64px 80px;
  overflow-wrap: anywhere;
}
.document-heading {
  margin-bottom: 48px;
}
.document-heading h1 + p {
  margin-top: 24px;
}
.document-heading p + p,
.document-heading .text-link {
  margin-top: 24px;
}
.document-main section + section {
  margin-top: 48px;
}
.document-main section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 24px;
}
.updated {
  font-size: 0.875rem;
}
/* 7. Responsive */
@media (min-width: 640px) {
  .container {
    width: min(1120px, calc(100% - 64px));
  }
  .brand {
    font-size: 1.25rem;
    gap: 12px;
  }
  .brand img {
    width: 36px;
    height: 36px;
  }
  .header-actions {
    gap: 16px;
  }
  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gallery {
    grid-auto-columns: minmax(calc((100% - 24px) / 2), calc((100% - 24px) / 2));
  }
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
  }
  .footer-nav {
    justify-content: flex-end;
  }
}
@media (min-width: 900px) {
  html {
    scroll-padding-top: 96px;
  }
  .section {
    padding-block: 104px;
  }
  .header-inner {
    flex-wrap: nowrap;
    padding-block: 0;
  }
  .main-nav {
    order: initial;
    flex-basis: auto;
    display: flex;
    gap: 24px;
  }
  .main-nav a {
    display: flex;
    align-items: center;
    min-height: 44px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
  }
  .main-nav a:hover {
    color: var(--primary);
  }
  .hero-copy {
    margin-inline-start: clamp(96px, 12vw, 176px);
  }
  .hero-copy h1 {
    font-size: clamp(2.65rem, 4.2vw, 3.75rem);
  }
  .hero::before {
    width: 72%;
    height: 100%;
    background-position: left center;
    -webkit-mask-image: linear-gradient(
      to right,
      black 0%,
      black 8%,
      rgba(0, 0, 0, 0.18) 20%,
      transparent 85%
    );
    mask-image: linear-gradient(
      to right,
      black 0%,
      black 8%,
      rgba(0, 0, 0, 0.18) 20%,
      transparent 85%
    );
    -webkit-mask-composite: source-over;
    mask-composite: add;
  }
  .hero {
    padding-block: 64px 80px;
  }
  .hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 64px;
  }
  .hero-visual {
    width: min(100%, 304px);
  }
  .reasons-grid,
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .reason {
    padding: 32px;
  }
  .features-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }
  .feature-card {
    padding: 24px;
  }
  .gallery {
    grid-auto-columns: minmax(calc((100% - 72px) / 4), calc((100% - 72px) / 4));
  }
  .privacy-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 80px;
  }
  .faq-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 64px;
  }
  .document-main {
    padding-block: 96px;
  }
}
@media (min-width: 1200px) {
  .section {
    padding-block: 120px;
  }
  .hero-grid {
    gap: 96px;
  }
  .hero-visual {
    width: min(100%, 320px);
  }
  .features-grid {
    gap: 24px;
  }
  .gallery {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
  }
  .gallery-controls {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html,
  .gallery {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}