/* ==========================================================================
   Reactigo — Kurumsal site tasarım sistemi
   Konsept: "Mühendislik dosyası" — kağıt zemin, lacivert mürekkep, altın vurgu,
   ince cetvel çizgileri, numaralandırılmış bölümler, veri tabloları.
   ========================================================================== */

/* ---------- Fontlar (self-hosted, üçüncü parti istek yok) ---------- */
@font-face {
  font-family: 'Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-sans-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-sans-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Plex Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-mono-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Plex Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('/assets/fonts/ibm-plex-mono-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Editorial';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/instrument-serif-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Editorial';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/instrument-serif-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Editorial';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/instrument-serif-400-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Editorial';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('/assets/fonts/instrument-serif-400-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Değişkenler ---------- */
:root {
  --ink: #042455;
  --ink-deep: #031A3E;
  --ink-soft: #0B3A7E;
  --gold: #BD995B;
  --gold-bright: #D9B678;
  --paper: #FCFBF8;
  --paper-2: #F3F0E9;
  --paper-3: #EAE6DC;
  --text: #131A2B;
  --muted: #5A6478;
  --line: rgba(4, 36, 85, .13);
  --line-strong: rgba(4, 36, 85, .28);

  --sans: 'Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: 'Editorial', Georgia, 'Times New Roman', serif;

  --gutter: clamp(1.25rem, 4vw, 3rem);
  --wrap: 1240px;
  --pad-section: clamp(2.75rem, 5vw, 4.75rem);
  --r: 3px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset & taban ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}
body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { list-style: none; padding: 0; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--ink); color: #fff; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ---------- Tipografi ---------- */
h1, h2, h3, h4, h5 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.022em;
  text-wrap: balance;
}
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
h4 { font-size: 1.0625rem; }
p { text-wrap: pretty; }

.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -.01em; }
.serif-i { font-family: var(--serif); font-style: italic; font-weight: 400; letter-spacing: -.005em; }
.gold { color: var(--gold); }

.lead {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--muted);
  max-width: 62ch;
}
.small { font-size: .9375rem; }

/* Bölüm / meta etiketi (mono) */
.label {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.label::before {
  content: '';
  width: 1.5rem;
  height: 1px;
  background: var(--gold);
}
.label--plain::before { display: none; }

/* ---------- Yerleşim ---------- */
.wrap {
  width: min(var(--wrap), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}
.wrap--narrow { width: min(880px, 100% - (var(--gutter) * 2)); }

.section { padding-block: var(--pad-section); position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section--tight { padding-block: clamp(2rem, 3.5vw, 3rem); }

/* Editoryal başlık: sol sütun etiket, sağ sütun içerik */
.sec-head {
  margin-bottom: clamp(1.5rem, 2.6vw, 2.25rem);
}
.sec-head__aside { display: block; margin-bottom: .85rem; }
.sec-head__title { max-width: 28ch; }
.sec-head__desc { margin-top: .9rem; max-width: 70ch; }

.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 960px) {
  .g-3, .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(1.75rem, 3.5vw, 3.25rem);
  align-items: start;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* ---------- Skip link ---------- */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--ink);
  color: #fff;
  padding: .75rem 1.25rem;
  font-size: .9rem;
}
.skip:focus { left: 1rem; top: 1rem; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 251, 248, .88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: border-color .3s var(--ease);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.5rem;
}
.brand { display: flex; align-items: center; gap: .7rem; flex-shrink: 0; }
.brand img { width: auto; height: 26px; }
.brand__sub {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: .7rem;
  border-left: 1px solid var(--line);
}
@media (max-width: 1080px) { .brand__sub { display: none; } }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding-block: .35rem;
  transition: color .2s var(--ease);
}
.nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .32s var(--ease);
}
.nav a:hover::after, .nav a[aria-current='page']::after { transform: scaleX(1); }
.nav a[aria-current='page'] { color: var(--ink); }
.nav a.btn { color: #fff; }
.nav a.btn::after { display: none; }

.header__actions { display: flex; align-items: center; gap: 1rem; }

.lang {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.lang a { padding: .2rem .1rem; }
.lang a[aria-current='true'] { color: var(--ink); font-weight: 500; }
.lang span { opacity: .4; }

.burger {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  width: 2.6rem;
  height: 2.4rem;
  cursor: pointer;
  padding: 0;
  place-items: center;
}
.burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.burger span + span { margin-top: 4px; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .burger { display: grid; }
  .nav {
    position: fixed;
    inset: 4.5rem 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: .5rem var(--gutter) 1.5rem;
    transform: translateY(-120%);
    transition: transform .38s var(--ease);
    max-height: calc(100dvh - 4.5rem);
    overflow-y: auto;
  }
  .nav[data-open='true'] { transform: translateY(0); }
  .nav a {
    padding-block: 1rem;
    border-bottom: 1px solid var(--line);
    font-size: 1.0625rem;
  }
  .nav a::after { display: none; }
  .nav .btn { margin-top: 1.25rem; justify-content: center; }
}

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .9375rem;
  font-weight: 500;
  letter-spacing: -.005em;
  padding: .8rem 1.4rem;
  border-radius: var(--r);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .25s var(--ease), color .25s var(--ease),
              border-color .25s var(--ease), transform .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-deep); }

.btn--outline { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--ink); background: rgba(4, 36, 85, .04); }

.btn--gold { background: var(--gold); color: #1B1305; }
.btn--gold:hover { background: var(--gold-bright); }

.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: var(--paper-2); }

.btn--ghost-light { border-color: rgba(255, 255, 255, .3); color: #fff; }
.btn--ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }

.btn--sm { padding: .55rem 1rem; font-size: .875rem; }

/* Metin bağlantısı, altı çizili açılan */
.link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-weight: 500;
  font-size: .9375rem;
  color: var(--ink);
  position: relative;
}
.link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .35s var(--ease);
}
.link:hover::after { transform: scaleX(1); transform-origin: left; }
.link svg { width: 14px; height: 14px; transition: transform .3s var(--ease); }
.link:hover svg { transform: translateX(3px); }
.link--light { color: #fff; }

/* ---------- Hero ---------- */
.hero {
  padding-top: clamp(2.5rem, 4.5vw, 4rem);
  padding-bottom: clamp(2.5rem, 4.5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* ince milimetrik ızgara — teknik çizim hissi */
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 90% at 78% 0%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 90% at 78% 0%, #000 0%, transparent 68%);
  opacity: .55;
  pointer-events: none;
}
.hero > * { position: relative; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
@media (max-width: 980px) { .hero__grid { grid-template-columns: 1fr; align-items: start; } }

.hero h1 {
  font-size: clamp(2.35rem, 5.2vw, 4rem);
  line-height: 1.02;
  letter-spacing: -.032em;
  margin-top: 1.75rem;
}
.hero h1 .serif-i { font-size: 1.06em; line-height: .9; }
.hero__lead { margin-top: 1.35rem; font-size: clamp(1.0625rem, 1.5vw, 1.1875rem); }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.75rem; }

/* Hero yanı: canlı proje indeksi */
.index-card {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
  border-radius: var(--r);
}
.index-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.index-card__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(189, 153, 91, .18);
}
.index-row {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1.1rem;
  border-bottom: 1px solid var(--line);
  transition: background .25s var(--ease);
}
.index-row:last-child { border-bottom: 0; }
.index-row:hover { background: rgba(4, 36, 85, .035); }
.index-row__no { font-family: var(--mono); font-size: .75rem; color: var(--gold); }
.index-row__name { font-weight: 500; font-size: .9375rem; letter-spacing: -.01em; }
.index-row__meta { font-size: .8125rem; color: var(--muted); }
.index-row__tag {
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: .2rem .45rem;
  border-radius: 2px;
}

@media (max-width: 520px) {
  .index-row__tag { display: none; }
}

/* ---------- Rakam şeridi ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stats > * { padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1rem, 2vw, 1.75rem); }
.stats > * + * { border-left: 1px solid var(--line); }
.stat__num {
  font-size: clamp(1.85rem, 3.2vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--ink);
  font-feature-settings: 'tnum' 1;
}
.stat__label { margin-top: .6rem; font-size: .875rem; color: var(--muted); }
@media (max-width: 780px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats > *:nth-child(3) { border-left: 0; }
  .stats > *:nth-child(n+3) { border-top: 1px solid var(--line); }
}

/* ---------- Kart ---------- */
.card {
  position: relative;
  padding: clamp(1.5rem, 2.4vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, .55);
  transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
}
.card:hover { border-color: var(--line-strong); background: #fff; }
/* köşe işareti — gölge yerine teknik çizim detayı */
.card::after {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
  opacity: 0;
  transition: opacity .3s var(--ease);
}
.card:hover::after { opacity: 1; }
.card__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r);
  margin-bottom: 1.25rem;
  color: var(--ink);
}
.card__icon svg { width: 20px; height: 20px; }
.card h3 { margin-bottom: .6rem; }
.card p { font-size: .9375rem; color: var(--muted); }
.card__list { margin-top: 1rem; display: grid; gap: .4rem; }
.card__list li {
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}
.card__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ---------- Proje indeksi (satır listesi) ---------- */
.projects { border-top: 1px solid var(--line); }
.project-row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 4fr) minmax(0, 5fr) auto;
  gap: clamp(1rem, 2.2vw, 2rem);
  align-items: center;
  padding: clamp(1.2rem, 2vw, 1.75rem) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left .35s var(--ease);
}
.project-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: -1px;
  width: 2px;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.project-row:hover::before { transform: scaleY(1); }
.project-row:hover { padding-left: 1.25rem; }
.project-row__no { font-family: var(--mono); font-size: .8125rem; color: var(--gold); }
.project-row__title { font-size: clamp(1.25rem, 2vw, 1.6rem); letter-spacing: -.02em; }
.project-row__kicker {
  display: block;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .45rem;
}
.project-row__desc { display: block; font-size: .9375rem; color: var(--muted); }
.project-row__go {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.project-row:hover .project-row__go { background: var(--ink); color: #fff; border-color: var(--ink); }
.project-row__go svg { width: 15px; height: 15px; }
@media (max-width: 860px) {
  .project-row { grid-template-columns: 2.25rem 1fr auto; gap: 1rem 1rem; }
  .project-row__desc-col { grid-column: 2 / -1; }
  .project-row__go { display: none; }
}

/* ---------- Görsel: site ekran görüntüsü ---------- */
.shot {
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--paper-2);
}
.shot img { width: 100%; height: auto; display: block; }
.shot figcaption {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  padding: .7rem 1rem;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .6);
}

/* Panel + uygulama ikilisi */
.duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(200px, 24%, 280px);
  gap: clamp(1rem, 2vw, 1.75rem);
  align-items: end;
}
.duo .shot--phone img { border-radius: 12px; }
@media (max-width: 760px) {
  .duo { grid-template-columns: 1fr; }
  .duo .shot--phone { max-width: 260px; margin-inline: auto; }
}

/* ---------- Görsel: uygulama ekranları ---------- */
.phones {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.75rem, 2vw, 1.5rem);
}
.phones img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--paper-2);
}
@media (max-width: 560px) {
  .phones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .phones > *:nth-child(3) { display: none; }
}

/* ---------- Uygulama künyesi (ikon + mağaza) ---------- */
.app-head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.75rem;
}
.app-head img {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.app-head__name { font-weight: 600; font-size: 1.125rem; letter-spacing: -.015em; }
.app-head__meta { font-family: var(--mono); font-size: .75rem; color: var(--muted); margin-top: .2rem; }

.store-btns { display: flex; flex-wrap: wrap; gap: .6rem; }
.store-btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  padding: .6rem 1rem;
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.store-btn:hover { background: #fff; border-color: var(--ink); }
.store-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.store-btn span { display: block; line-height: 1.2; }
.store-btn small {
  display: block;
  font-family: var(--mono);
  font-size: .625rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.store-btn strong { font-size: .9375rem; font-weight: 600; letter-spacing: -.01em; }

/* ---------- Teknik künye tablosu ---------- */
.spec {
  border-top: 1px solid var(--line);
  font-size: .9375rem;
}
.spec th, .spec td {
  text-align: left;
  vertical-align: top;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.spec th {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  width: 34%;
  padding-right: 1.5rem;
}
.spec td { color: var(--text); }
@media (max-width: 560px) {
  .spec th, .spec td { display: block; width: 100%; }
  .spec th { border-bottom: 0; padding-bottom: .2rem; }
  .spec td { padding-top: 0; }
}

/* ---------- İşaretli liste ---------- */
.ticks { display: grid; gap: 1rem; }
.ticks li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: .85rem;
  align-items: start;
}
.ticks svg { width: 15px; height: 15px; margin-top: .32rem; color: var(--gold); }
.ticks strong { display: block; font-weight: 600; letter-spacing: -.01em; }
.ticks span { display: block; font-size: .9375rem; color: var(--muted); margin-top: .15rem; }

/* ---------- Numaralı adımlar ---------- */
.steps { counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--line); }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: clamp(1.1rem, 1.9vw, 1.6rem) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.step::before {
  content: '0' counter(step);
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--gold);
}
.step h3 { letter-spacing: -.015em; }
.step p { font-size: .9375rem; color: var(--muted); }
@media (max-width: 760px) {
  .step { grid-template-columns: 2.5rem 1fr; gap: .5rem 1rem; }
  .step p { grid-column: 2; }
}

/* ---------- Alıntı / öne çıkan ---------- */
.pull {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 22ch;
}

/* ---------- Koyu bloklar ---------- */
.ink-block {
  background: var(--ink);
  color: #fff;
  border-radius: var(--r);
  padding: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  overflow: hidden;
}
.ink-block h2, .ink-block h3 { color: #fff; }
.ink-block p { color: rgba(255, 255, 255, .72); }
.ink-block .label { color: rgba(255, 255, 255, .6); }
.ink-block .label::before { background: var(--gold-bright); }

.band {
  background: var(--ink);
  color: #fff;
  padding-block: clamp(2.75rem, 4.5vw, 4rem);
  position: relative;
  overflow: hidden;
}
.band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(100% 100% at 90% 100%, #000 0%, transparent 70%);
  mask-image: radial-gradient(100% 100% at 90% 100%, #000 0%, transparent 70%);
  pointer-events: none;
}
.band > * { position: relative; }
.band h2 { color: #fff; }
.band p { color: rgba(255, 255, 255, .74); }
.band .label { color: rgba(255, 255, 255, .6); }
.band .label::before { background: var(--gold-bright); }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.page-head {
  padding-top: clamp(2.25rem, 3.5vw, 3.25rem);
  padding-bottom: clamp(2.25rem, 3.5vw, 3.25rem);
  border-bottom: 1px solid var(--line);
}
.crumb {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin-bottom: 1.1rem;
}
.crumb a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.crumb span { color: var(--gold); }
.page-head h1 { max-width: 20ch; }
.page-head .lead { margin-top: 1.25rem; }

/* ---------- SSS (AEO için soru-cevap) ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.35rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -.015em;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '';
  flex-shrink: 0;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.faq__body { padding-bottom: 1.5rem; max-width: 78ch; }
.faq__body p { color: var(--muted); }
.faq__body p + p { margin-top: .85rem; }

/* ---------- İletişim ---------- */
.contact-tile {
  display: grid;
  gap: .35rem;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.contact-tile:hover { border-color: var(--ink); background: #fff; }
.contact-tile__label {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.contact-tile__value {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: 500;
  letter-spacing: -.015em;
  word-break: break-word;
}
.contact-tile__note { font-size: .875rem; color: var(--muted); }

/* ---------- Footer ---------- */
.footer {
  background: var(--ink-deep);
  color: rgba(255, 255, 255, .72);
  padding-block: clamp(3rem, 5vw, 4.5rem) 2rem;
  font-size: .9375rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2fr));
  gap: clamp(2rem, 4vw, 3rem);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 {
  font-family: var(--mono);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 1.1rem;
}
.footer ul { display: grid; gap: .7rem; }
.footer a { color: rgba(255, 255, 255, .78); transition: color .2s var(--ease); }
.footer a:hover { color: #fff; }
.footer__brand img { height: 26px; width: auto; filter: brightness(0) invert(1); opacity: .95; }
.footer__desc { margin-top: 1.25rem; max-width: 38ch; color: rgba(255, 255, 255, .6); }
.footer__social { display: flex; gap: .6rem; margin-top: 1.5rem; }
.footer__social a {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--r);
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.footer__social a:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .4); }
.footer__social svg { width: 17px; height: 17px; }
.footer__bottom {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .45);
}

/* ---------- Yardımcılar ---------- */
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.center { text-align: center; }
.flex { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.muted { color: var(--muted); }
.rule { height: 1px; background: var(--line); border: 0; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tag {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: .28rem .55rem;
}
.tag--gold { color: var(--gold); border-color: rgba(189, 153, 91, .45); }
.tag--light { color: rgba(255, 255, 255, .75); border-color: rgba(255, 255, 255, .22); }

.prose p + p { margin-top: 1rem; }
.prose h2 { margin-top: 2.75rem; margin-bottom: 1rem; }
.prose h3 { margin-top: 2rem; margin-bottom: .75rem; }
.prose ul { display: grid; gap: .6rem; margin-top: 1rem; }
.prose ul li { padding-left: 1.25rem; position: relative; color: var(--muted); }
.prose ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* ---------- Görünürlük animasyonu ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Yazdırma ---------- */
@media print {
  .header, .footer__social, .btn, .band { display: none; }
  body { background: #fff; color: #000; }
}

/* ---------- İç sayfa başlığı: metin + künye kartı ---------- */
.page-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(1.75rem, 3.5vw, 3rem);
  align-items: start;
}
@media (max-width: 980px) {
  .page-head__grid { grid-template-columns: 1fr; }
}
.spec-card { background: rgba(255, 255, 255, .7); }
.spec-card .spec { border-top: 0; font-size: .875rem; }
.spec-card .spec th,
.spec-card .spec td { padding: .7rem 1.1rem; }
.spec-card .spec th { width: 38%; padding-right: .75rem; }
.spec-card .spec tr:last-child th,
.spec-card .spec tr:last-child td { border-bottom: 0; }
@media (max-width: 560px) {
  .spec-card .spec th { padding-bottom: .1rem; }
  .spec-card .spec td { padding-top: 0; padding-bottom: .8rem; }
}