/* =========================================================================
   AICO Elektronik — tasarım sistemi
   Renkleri değiştirmek için sadece :root içindeki değişkenleri düzenleyin.
   ========================================================================= */
:root {
  --bg: #FAFAF7;
  --surface: #FFFFFF;
  --alt: #F3F2ED;
  --ink: #0F1012;
  --ink-2: #2B2D31;
  --muted: #62666E;
  --line: #E7E5DF;
  --line-2: #D9D6CE;
  --accent: #FF5E0E;
  --accent-ink: #D94A00;
  --accent-soft: #FFF2EA;
  --ok: #1F9D61;

  --sans: 'Plus Jakarta Sans', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --r-sm: 8px;
  --r: 12px;
  --r-lg: 18px;
  --shadow: 0 1px 2px rgba(15, 16, 18, .04), 0 8px 24px -12px rgba(15, 16, 18, .12);
  --shadow-lg: 0 2px 4px rgba(15, 16, 18, .04), 0 24px 60px -24px rgba(15, 16, 18, .22);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern';
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
em { font-style: normal; color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent); color: #fff; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 16px; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.i { width: 20px; height: 20px; flex: none; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 500; font-size: 15.5px; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, box-shadow .25s, border-color .25s;
}
.btn .i { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover .i { transform: translateX(3px); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14.5px; }
.btn-lg { height: 54px; padding: 0 26px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #26282C; box-shadow: var(--shadow); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-ink); box-shadow: 0 10px 30px -10px rgba(255, 94, 14, .6); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--ink); }
.btn-ghost:hover { background: var(--surface); border-color: var(--ink); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, .78);
  backdrop-filter: saturate(1.6) blur(16px);
  -webkit-backdrop-filter: saturate(1.6) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand { gap: 12px; }
.brand img { height: 42px; width: auto; }
.brand-sub { font-size: 11.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding-left: 12px; border-left: 1px solid var(--line-2); line-height: 1.2; }
.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > a, .nav-drop-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 40px; padding: 0 14px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--ink-2); background: none; border: 0; transition: background .2s, color .2s;
}
.nav > a:hover, .nav-drop-btn:hover, .nav-drop.open .nav-drop-btn { background: rgba(15, 16, 18, .05); color: var(--ink); }
.nav > a[aria-current="page"], .nav-drop-btn.is-active { color: var(--accent); background: transparent; position: relative; }
.nav > a[aria-current="page"]::after, .nav-drop-btn.is-active::after { content: ''; position: absolute; left: 50%; bottom: 2px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--accent); }
.nav-drop-btn svg { width: 12px; height: 12px; transition: transform .25s; }
.nav-drop.open .nav-drop-btn svg { transform: rotate(180deg); }
.nav-drop { position: relative; }
.mega {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translate(-50%, 6px);
  width: 680px; padding: 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transition: opacity .2s, transform .25s var(--ease), visibility .2s;
}
.mega::before { content: ''; position: absolute; inset: -14px 0 auto; height: 14px; }
.nav-drop.open .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega-title { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 8px 12px 4px; }
.mega-item { display: flex; gap: 12px; padding: 10px 12px; border-radius: 12px; transition: background .2s; }
.mega-item:hover { background: var(--alt); }
.mega-item strong { display: block; font-size: 15px; font-weight: 600; }
.mega-item small { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.4; margin-top: 2px; }
.mega-ic { width: 36px; height: 36px; flex: none; display: grid; place-items: center; border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); }
.mega-ic .i { width: 18px; height: 18px; }
.mega-all { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; margin-top: 6px; padding: 14px 16px; border-radius: 12px; background: var(--alt); font-weight: 500; font-size: 15px; }
.mega-all .i { width: 18px; height: 18px; }
.mega-all:hover { background: var(--ink); color: #fff; }
.header-cta { margin-left: 8px; }
.menu-btn { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); place-items: center; }
.mobile-menu { border-top: 1px solid var(--line); background: var(--bg); max-height: calc(100dvh - var(--header-h)); overflow-y: auto; padding: 20px 0 28px; }
.mm-title { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.mm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.mm-grid a { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); font-weight: 500; font-size: 15px; }
.mm-grid .mega-ic { width: 32px; height: 32px; }
.mm-links { display: grid; margin: 18px 0; border-top: 1px solid var(--line); }
.mm-links a { padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 18px; font-weight: 500; }

/* ---------- Genel bölümler ---------- */
.section { padding: 112px 0; }
.section-tight { padding: 56px 0; }
.section-alt { background: var(--alt); }
.eyebrow { display: flex; width: fit-content; align-items: center; gap: 10px; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 18px; }
.eyebrow::before { content: ''; width: 7px; height: 7px; background: var(--accent); flex: none; }
.eyebrow a:hover { text-decoration: underline; }
.lead { font-size: 19px; line-height: 1.6; color: var(--muted); max-width: 640px; }
.lead a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(32px, 4.4vw, 52px); }
.sec-head .lead { margin-top: 18px; }
.split-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.split-head .sec-head { margin-bottom: 0; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; white-space: nowrap; padding-bottom: 6px; border-bottom: 1px solid var(--ink); }
.link-arrow .i { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.link-arrow:hover .i { transform: translateX(4px); }
.more { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 500; color: var(--ink); }
.more .i { width: 16px; height: 16px; transition: transform .25s var(--ease); }
a:hover .more .i { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero { padding: 72px 0 96px; position: relative; overflow: hidden; }
.hero::after, .page-hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; background-position: center top;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 70% 20%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 70% 20%, #000 0%, transparent 75%);
  opacity: .7;
}
.hero > .wrap, .page-hero > .wrap { position: relative; z-index: 1; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto auto; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(closest-side, rgba(255, 94, 14, .13), rgba(255, 94, 14, 0));
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 13.5px; font-weight: 500; color: var(--ink-2); margin-bottom: 28px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgba(31, 157, 97, .5); animation: pulse 2.2s infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(31, 157, 97, .45); } 70% { box-shadow: 0 0 0 8px rgba(31, 157, 97, 0); } 100% { box-shadow: 0 0 0 0 rgba(31, 157, 97, 0); } }
.hero h1 { font-size: clamp(42px, 5.4vw, 74px); letter-spacing: -0.028em; line-height: 1; }
.hero h1 em { color: var(--accent); }
.hero .lead { margin-top: 28px; font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-trust { list-style: none; padding: 0; margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 14.5px; color: var(--muted); }
.hero-trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust .i { width: 16px; height: 16px; color: var(--ok); }

.hero-visual { position: relative; }
.hv-card { position: relative; isolation: isolate; overflow: hidden; background: #0F1012; color: #fff; border-radius: var(--r-lg); box-shadow: var(--shadow-lg); padding: 26px; }
.hv-card::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 24px 24px; }
.hv-card::after { content: ''; position: absolute; z-index: -1; right: -25%; top: -45%; width: 80%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255,94,14,.28), transparent); }
.hv-row { display: flex; align-items: center; justify-content: space-between; }
.hv-label { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.hv-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: rgba(61,220,151,.12); color: #3DDC97; }
.hv-big { font-size: 30px; font-weight: 600; letter-spacing: -0.02em; margin-top: 10px; }
.hv-sub { font-size: 14px; color: rgba(255,255,255,.55); margin-top: 2px; }
.spark { width: 100%; height: 90px; margin: 18px 0 14px; }
.hv-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.hv-metrics div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.06); border-radius: 12px; padding: 12px 14px; }
.hv-metrics span { display: block; font-size: 12px; color: rgba(255,255,255,.5); }
.hv-metrics strong { display: block; font-size: 16px; font-weight: 600; margin-top: 2px; font-variant-numeric: tabular-nums; }
.hv-feed { position: relative; margin: -18px 22px 0; display: grid; gap: 10px; }
.note {
  display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 16px;
  background: rgba(255, 255, 255, .92); border: 1px solid var(--line); box-shadow: var(--shadow);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  animation: noteIn .6s var(--ease) both;
}
.note:nth-child(2) { opacity: .75; transform: scale(.97); }
.note:nth-child(3) { opacity: .45; transform: scale(.94); }
.note-ic { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-ink); }
.note-ic .i { width: 18px; height: 18px; }
.note-ic.ok { background: #E9F7EF; color: #157347; }
.note b { display: block; font-size: 13px; font-weight: 600; }
.note b small { font-weight: 400; color: var(--muted); margin-left: 6px; }
.note p { font-size: 14px; color: var(--ink-2); line-height: 1.45; margin-top: 1px; }
@keyframes noteIn { from { opacity: 0; transform: translateY(-10px) scale(.98); } }

/* ---------- Rakamlar ---------- */
.numbers { padding: 0 0 24px; }
.stats { margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); }
.stats > div { padding: 4px 0; }
.stats dt { font-size: 14.5px; color: var(--muted); order: 2; }
.stats dd { margin: 0 0 6px; font-size: clamp(30px, 3.4vw, 44px); font-weight: 600; letter-spacing: -0.024em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stats > div { display: flex; flex-direction: column-reverse; justify-content: flex-end; }
.stats-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 36px 0; gap: 24px; }
.stats-band > div + div { border-left: 1px solid var(--line); padding-left: 24px; }
.stats-hero { margin-top: 48px; }
.stats-2 { grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); }
.stats-2 > div { background: var(--surface); padding: 18px 20px; }
.stats-2 dd { font-size: 26px; }

/* ---------- Açıklama (algıla/anla/haber ver) ---------- */
.explain { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.explain-item { position: relative; padding: 32px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.explain-n { position: absolute; top: 30px; right: 30px; font-size: 13px; color: var(--muted); }
.explain-ic { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: var(--ink); color: #fff; margin-bottom: 28px; }
.explain-ic .i { width: 24px; height: 24px; }
.explain-item h3 { font-size: 24px; margin-bottom: 10px; }
.explain-item p { color: var(--muted); }

/* ---------- Görsel kutusu (koyu teknik panel) ---------- */
.viz-box {
  position: relative; isolation: isolate; overflow: hidden;
  aspect-ratio: 16 / 10; border-radius: var(--r);
  background: #0F1012;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.viz-box::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 24px 24px;
}
.viz-box::after {
  content: ''; position: absolute; z-index: -1; right: -20%; top: -40%; width: 70%; aspect-ratio: 1;
  background: radial-gradient(closest-side, rgba(255, 94, 14, .22), rgba(255, 94, 14, 0));
}
.viz { width: 100%; height: 100%; display: block; }
.viz-tag {
  position: absolute; left: 14px; bottom: 14px; z-index: 2;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em; color: rgba(255,255,255,.8);
  padding: 6px 10px; border-radius: 999px; background: rgba(15,16,18,.7); border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.viz .vt { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; fill: rgba(255,255,255,.5); }
.viz .vt-xs { font-family: var(--mono); font-size: 9px; fill: rgba(255,255,255,.4); }
.viz .vt-chip { font-family: var(--mono); font-size: 11px; fill: #fff; }
.viz .vt-big { font-family: var(--sans); font-size: 28px; font-weight: 600; letter-spacing: -.02em; fill: #fff; }
.viz .vt-mid { font-family: var(--sans); font-size: 19px; font-weight: 600; letter-spacing: -.01em; fill: #fff; }
.viz .vt-btn { font-family: var(--sans); font-size: 12.5px; font-weight: 600; fill: #fff; }

.v-ring { transform-box: fill-box; transform-origin: center; animation: vRing 2.4s ease-out infinite; }
@keyframes vRing { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.9); opacity: 0; } }
.v-breathe { transform-box: fill-box; transform-origin: center; animation: vBreathe 3.2s ease-in-out infinite alternate; }
@keyframes vBreathe { from { transform: scale(.85); opacity: .75; } to { transform: scale(1.08); opacity: 1; } }
.v-flow { stroke-dasharray: 4 5; animation: vFlow 1s linear infinite; }
@keyframes vFlow { to { stroke-dashoffset: -9; } }
.js .v-draw { stroke-dasharray: 1; stroke-dashoffset: 1; }
.js .play .v-draw { animation: vDraw 2.8s var(--ease) forwards; }
@keyframes vDraw { to { stroke-dashoffset: 0; } }
.js .play .v-gauge { animation: vGauge 2s var(--ease) both; }
@keyframes vGauge { from { stroke-dashoffset: var(--len); } }
.v-rise { transform-box: fill-box; transform-origin: bottom; }
.js .v-rise { transform: scaleY(0); }
.js .play .v-rise { animation: vRise 1s var(--ease) forwards; }
@keyframes vRise { to { transform: scaleY(1); } }

/* ---------- Teknoloji şeridi ---------- */
.ticker { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.ticker-track { display: flex; width: max-content; animation: ticker 45s linear infinite; }
.ticker span { display: inline-flex; align-items: center; gap: 28px; padding: 18px 0 18px 28px; font-family: var(--mono); font-size: 13px; letter-spacing: .04em; color: var(--muted); white-space: nowrap; }
.ticker span::after { content: ''; width: 6px; height: 6px; background: var(--accent); }
@keyframes ticker { to { transform: translateX(-50%); } }
.numbers { padding-top: 48px; }

/* ---------- Ortak kart gövdesi ---------- */
.card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 8px 6px; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: auto; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-sm); overflow: hidden; }
.mini-stats span { display: block; padding: 12px 14px; background: var(--bg); font-size: 12.5px; color: var(--muted); line-height: 1.3; }
.mini-stats strong { display: block; font-size: 19px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 2px; font-variant-numeric: tabular-nums; }
.card-body .more { margin-top: 18px; }
.card-body > p + .mini-stats { margin-top: 22px; }

/* ---------- Çözüm kartları ---------- */
.sol-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.sol-grid-3 { grid-template-columns: repeat(3, 1fr); }
.sol-bento { grid-template-columns: repeat(6, 1fr); gap: 20px; }
.sol-bento > .sol-card { grid-column: span 2; }
.sol-bento > .sol-card:nth-child(-n+2) { grid-column: span 3; }
.sol-card, .proj-card {
  display: flex; flex-direction: column; padding: 10px 10px 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.sol-card:hover, .proj-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.sol-card .viz-box, .proj-card .viz-box { transition: transform .6s var(--ease); }
.sol-card:hover .viz, .proj-card:hover .viz { transform: scale(1.03); }
.viz { transition: transform .8s var(--ease); }
.sol-kind { display: block; font-size: 11.5px; letter-spacing: .08em; font-weight: 700 !important; text-transform: uppercase; color: var(--accent-ink); font-weight: 500; }
.sol-card h3 { font-size: 26px; margin-top: 6px; }
.sol-bento .sol-card h3 { font-size: 30px; }
.sol-card p, .proj-card p { color: var(--muted); font-size: 15.5px; margin-top: 8px; line-height: 1.5; }
.sol-ic { width: 48px; height: 48px; display: grid; place-items: center; border-radius: var(--r); background: var(--accent-soft); color: var(--accent-ink); flex: none; }
.sol-ic .i { width: 24px; height: 24px; }

/* Özel proje bandı */
.custom {
  display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center;
  margin-top: 20px; padding: 28px 32px; border-radius: var(--r-lg);
  background: var(--ink); color: #fff; position: relative; overflow: hidden; isolation: isolate;
}
.custom::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 24px 24px; }
.custom::after { content: ''; position: absolute; z-index: -1; left: -10%; top: -120%; width: 40%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255,94,14,.35), transparent); }
.custom-ic { width: 52px; height: 52px; display: grid; place-items: center; border-radius: var(--r); background: var(--accent); color: #fff; }
.custom-ic .i { width: 24px; height: 24px; }
.custom h3 { font-size: 21px; margin-bottom: 4px; }
.custom p { color: rgba(255,255,255,.62); font-size: 15.5px; }
.custom .btn { background: #fff; color: var(--ink); }
.custom:hover .btn { background: var(--accent); color: #fff; }

/* Çözüm listesi (çözümler sayfası) */
.sol-list { display: grid; gap: 16px; }
.sol-row {
  display: grid; grid-template-columns: 340px 1fr auto auto; gap: 32px; align-items: center;
  padding: 12px 28px 12px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease);
}
.sol-row:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.sol-row:hover .viz { transform: scale(1.03); }
.sol-row-main h3 { font-size: 28px; margin: 6px 0 8px; }
.sol-row-main p { color: var(--muted); font-size: 16px; max-width: 560px; }
.sol-row-stats { display: grid; gap: 14px; min-width: 150px; }
.sol-row-stats span { display: block; font-size: 13px; color: var(--muted); line-height: 1.3; }
.sol-row-stats strong { display: block; font-size: 22px; font-weight: 600; color: var(--ink); letter-spacing: -0.02em; }
.sol-row-go { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: background .3s, color .3s, border-color .3s; }
.sol-row:hover .sol-row-go { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- Proje kartları ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.proj-grid-2 { grid-template-columns: repeat(2, 1fr); gap: 20px; }
.proj-card.is-hidden { display: none; }
.proj-card h3 { font-size: 21px; margin-top: 6px; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filter { display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; font-size: 15px; font-weight: 500; transition: background .2s, color .2s, border-color .2s; }
.filter span { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.filter:hover { border-color: var(--ink); }
.filter.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.filter.is-active span { color: rgba(255, 255, 255, .75); }

/* ---------- Süreç ---------- */
.process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: p; }
.process li { padding: 28px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); position: relative; }
.process-n { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-2); font-weight: 600; font-size: 15px; margin-bottom: 40px; }
.process li:first-child .process-n { background: var(--accent); color: #fff; border-color: var(--accent); }
.process h3 { font-size: 20px; margin-bottom: 8px; }
.process p { color: var(--muted); font-size: 15.5px; line-height: 1.55; }

/* ---------- SSS ---------- */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.faq-wrap .sec-head { position: sticky; top: calc(var(--header-h) + 32px); }
.faq { border-top: 1px solid var(--line-2); }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq summary, .specs summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.faq summary { padding: 24px 0; font-size: 18.5px; font-weight: 500; letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker, .specs summary::-webkit-details-marker { display: none; }
.faq-ic { width: 36px; height: 36px; flex: none; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; transition: transform .3s var(--ease), background .3s, color .3s; }
.faq-ic .i { width: 16px; height: 16px; }
details[open] > summary .faq-ic { transform: rotate(45deg); background: var(--ink); color: #fff; border-color: var(--ink); }
.faq details p { padding: 0 60px 26px 0; color: var(--muted); font-size: 16.5px; }

/* ---------- CTA bandı ---------- */
.cta-band { padding: 24px 0; }
.cta-inner {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 1.3fr auto; gap: 48px; align-items: end;
  background: var(--ink); color: #fff; border-radius: 32px; padding: 72px 64px;
  max-width: 1152px;
}
.cta-band .cta-inner { width: calc(100% - 48px); }
.cta-inner::after { content: ''; position: absolute; right: -15%; top: -60%; width: 60%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255, 94, 14, .45), rgba(255, 94, 14, 0)); pointer-events: none; }
.cta-inner > * { position: relative; z-index: 1; }
.cta-inner h2 { font-size: clamp(32px, 4.4vw, 56px); letter-spacing: -0.024em; }
.cta-inner h2 em { color: var(--accent); }
.cta-inner p { color: rgba(255, 255, 255, .66); font-size: 18px; margin-top: 18px; max-width: 560px; }
.cta-actions { display: grid; gap: 16px; justify-items: start; }
.cta-phone { display: inline-flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, .8); font-size: 15px; }
.cta-phone .i { width: 18px; height: 18px; }
.cta-phone:hover { color: #fff; }

/* ---------- Sayfa başlıkları ---------- */
.page-hero { padding: 80px 0 64px; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; right: -10%; top: -40%; width: 60vw; max-width: 760px; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255, 94, 14, .10), rgba(255, 94, 14, 0)); pointer-events: none; }
.page-hero .wrap { position: relative; }
.page-hero h1 { font-size: clamp(42px, 6vw, 76px); letter-spacing: -0.028em; line-height: 1.02; max-width: 960px; }
.page-hero h1.h1-md { font-size: clamp(36px, 5vw, 64px); }
.page-hero .lead { margin-top: 24px; font-size: 20px; }
.back { display: block; width: fit-content; font-size: 14.5px; color: var(--muted); margin-bottom: 28px; }
.back:hover { color: var(--ink); }
.nf { min-height: 60vh; display: flex; align-items: center; }

.sol-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.sol-hero h1 em { color: var(--accent); }
.sol-hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 10px; box-shadow: var(--shadow-lg); }
.stats-4 { grid-template-columns: repeat(4, 1fr); padding: 18px 10px 8px; gap: 12px; }
.stats-4 dd { font-size: 22px; }
.stats-4 dt { font-size: 12.5px; line-height: 1.35; }
.proj-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.proj-hero-grid .viz-box { box-shadow: var(--shadow-lg); border-radius: var(--r-lg); }
.shc-top { display: flex; align-items: center; gap: 14px; padding: 6px 4px 20px; }
.shc-top strong { display: block; font-size: 20px; letter-spacing: -0.02em; }
.shc-top span:not(.sol-ic) { font-size: 14px; color: var(--muted); }

/* Kısaca kutusu */
.tldr {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start;
  padding: 44px 48px; border-radius: 28px;
  background: linear-gradient(120deg, #FFF3EA 0%, #FFFFFF 55%);
  border: 1px solid #FBE0CF;
}
.tldr::after { content: ''; position: absolute; z-index: -1; right: -150px; bottom: -200px; width: 340px; aspect-ratio: 1; border-radius: 50%; border: 44px solid rgba(255,94,14,.05); }
.tldr-side { display: flex; gap: 14px; align-items: center; }
.tldr-ic { width: 48px; height: 48px; flex: none; display: grid; place-items: center; border-radius: 14px; background: var(--accent); color: #fff; box-shadow: 0 10px 24px -10px rgba(255,94,14,.7); }
.tldr-ic .i { width: 22px; height: 22px; }
.tldr-side strong { display: block; font-size: 17px; font-weight: 700; letter-spacing: -0.01em; }
.tldr-side small { display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.tldr-text { font-size: clamp(20px, 2.1vw, 27px); line-height: 1.55; font-weight: 500; letter-spacing: -0.006em; color: var(--ink); }
.tldr-text mark { background: none; color: var(--accent-ink); font-weight: 700; white-space: nowrap; }

/* Proje rakam kartları */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 56px; }
.kpi {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 6px;
  padding: 24px 24px 22px; min-height: 168px; border-radius: 22px;
  background: var(--surface); border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.kpi:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.kpi-n { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .08em; }
.kpi strong { margin-top: auto; font-size: clamp(34px, 3.6vw, 48px); font-weight: 800; letter-spacing: -0.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi-l { font-size: 15px; color: var(--muted); font-weight: 500; }
.kpi::after { content: ''; position: absolute; left: 24px; top: 0; width: 36px; height: 4px; border-radius: 0 0 4px 4px; background: var(--accent); }
.kpi-dark { background: var(--ink); border-color: var(--ink); color: #fff; }
.kpi-dark::before { content: ''; position: absolute; right: -40%; top: -60%; width: 90%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255,94,14,.35), transparent); }
.kpi-dark strong { color: var(--accent); position: relative; }
.kpi-dark .kpi-l, .kpi-dark .kpi-n { color: rgba(255,255,255,.6); position: relative; }

/* Problem */
.problem { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.problem-stat { padding: 40px; border-radius: var(--r-lg); background: var(--ink); color: #fff; }
.problem-stat span { display: block; font-size: clamp(52px, 6.4vw, 88px); font-weight: 600; letter-spacing: -0.032em; line-height: 1; color: var(--accent); }
.problem-stat p { color: rgba(255, 255, 255, .7); margin-top: 14px; font-size: 16px; }
.problem h2 { font-size: clamp(28px, 3.4vw, 42px); margin-bottom: 18px; }

/* Adımlar */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; position: relative; }
.steps li { padding: 32px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.step-ic { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: var(--ink); color: #fff; margin-bottom: 28px; }
.step-ic .i { width: 24px; height: 24px; }
.step-n { display: block; font-size: 12.5px; color: var(--accent-ink); font-weight: 500; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 6px; }
.steps h3 { font-size: 24px; margin-bottom: 10px; }
.steps p { color: var(--muted); }


/* Özellikler */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line-2); border-left: 1px solid var(--line-2); }
.feature { padding: 32px; border-right: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.feat-ic { width: 26px; height: 26px; padding: 4px; border-radius: 50%; background: var(--accent); color: #fff; stroke-width: 2.4; margin-bottom: 22px; }
.feature h3 { font-size: 19px; margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 15.5px; line-height: 1.55; }

/* Kimler için + teknik */
.who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.who-grid h2 { font-size: clamp(26px, 3vw, 36px); }
.chips { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 10px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line-2); font-size: 15px; font-weight: 500; }
.chips-sm li { padding: 7px 13px; font-size: 13.5px; }
.specs { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 8px 24px; }
.specs summary { padding: 18px 0; }
.specs summary strong { display: block; font-size: 18px; }
.specs summary small { display: block; color: var(--muted); font-size: 14px; }
.specs[open] summary { border-bottom: 1px solid var(--line); }
.specs-note { padding: 32px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.specs-note strong { font-size: 19px; }
.specs-note p { color: var(--muted); margin-top: 8px; }
.spec { width: 100%; border-collapse: collapse; font-size: 15px; }
.spec th, .spec td { text-align: left; padding: 13px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }
.spec th { font-weight: 400; color: var(--muted); width: 45%; padding-right: 16px; }
.spec td { font-weight: 500; font-variant-numeric: tabular-nums; }

/* İlgili */
.related { display: block; padding: 40px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.related:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.related .eyebrow { display: flex; }
.related h3 { font-size: clamp(24px, 2.6vw, 32px); }
.related p { color: var(--muted); margin: 10px 0 22px; max-width: 640px; }
.related-sm { padding: 28px; margin-top: 16px; }
.related-sm h3 { font-size: 22px; }

/* Proje detay */
.ps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ps-card { position: relative; padding: 36px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.ps-ic { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: #FDECEC; color: #D93C3C; margin-bottom: 22px; }
.ps-ic .i { width: 22px; height: 22px; }
.ps-solution .ps-ic { background: var(--accent); color: #fff; }
.ps-t { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.ps-solution .ps-t { color: rgba(255,255,255,.55); }
.ps-card p:not(.ps-t) { font-size: 19px; line-height: 1.55; letter-spacing: -0.01em; }
.ps-card .eyebrow { color: var(--muted); }
.ps-solution { background: var(--ink); color: #fff; border-color: var(--ink); }
.ps-solution .eyebrow { color: var(--accent); }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.story-grid h2 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 24px; }
.prose p { font-size: 17.5px; color: var(--ink-2); line-height: 1.7; }
.prose p + p { margin-top: 18px; }
.tech-title { margin-top: 40px; margin-bottom: 0; }
.spec-card { padding: 28px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.spec-title { font-weight: 600; font-size: 18px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.next-card { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 14px 14px 14px 44px; border-radius: 28px; background: var(--surface); border: 1px solid var(--line); transition: box-shadow .4s var(--ease), transform .4s var(--ease); }
.next-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.next-card:hover .viz { transform: scale(1.03); }
.next-copy h3 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.02em; }
.next-copy p:not(.eyebrow) { color: var(--muted); margin: 12px 0 22px; font-size: 16.5px; }
.next-card .viz-box { border-radius: 20px; }

/* Hakkımızda */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.value { padding: 28px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); }
.value-n { display: block; font-size: 13px; color: var(--accent-ink); margin-bottom: 36px; line-height: 1; }
.value h3 { font-size: 20px; margin-bottom: 8px; }
.value p { color: var(--muted); font-size: 15.5px; line-height: 1.55; }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-2); }
.timeline li { display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding: 28px 0; border-bottom: 1px solid var(--line-2); }
.tl-date { font-family: var(--mono); font-size: 15px; line-height: 1.6; color: var(--muted); padding-top: 2px; }
.timeline h3 { font-size: 21px; margin-bottom: 6px; }
.timeline p { color: var(--muted); }
.timeline li:last-child .tl-date { color: var(--accent); }

/* Kariyer */
.teams { display: grid; gap: 0; border-top: 1px solid var(--line-2); }
.team { padding: 22px 0; border-bottom: 1px solid var(--line-2); }
.team h3 { font-size: 19px; margin-bottom: 4px; }
.team p { color: var(--muted); }
.open-card { padding: 40px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.open-card h3 { font-size: 26px; margin-bottom: 12px; }
.open-card p:not(.eyebrow) { color: var(--muted); margin-bottom: 28px; }

/* İletişim */
.contact-grid { display: grid; grid-template-columns: 1.4fr .9fr; gap: 24px; align-items: start; }
.form { padding: 36px; border-radius: var(--r-lg); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 8px; font-size: 14.5px; font-weight: 500; }
.form label span { color: var(--accent); }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink);
  padding: 13px 15px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--bg);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.form textarea { resize: vertical; min-height: 140px; }
.form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='m3 4.5 3 3 3-3' fill='none' stroke='%2362666E' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 14px; padding-right: 40px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--ink); background: var(--surface); box-shadow: 0 0 0 4px rgba(15, 16, 18, .06); }
.form .invalid { border-color: #D93C3C; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 6px; }
.form-note { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.form-note .i { width: 16px; height: 16px; }
.form-status { font-size: 15px; font-weight: 500; }
.form-status:empty { display: none; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: #D93C3C; }
.contact-side { display: grid; gap: 12px; }
.c-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); transition: border-color .2s; }
a.c-card:hover { border-color: var(--ink); }
.c-card > .i { width: 22px; height: 22px; color: var(--accent); margin-top: 2px; }
.c-card span { display: block; font-size: 13px; color: var(--muted); }
.c-card strong { display: block; font-weight: 500; font-size: 16px; margin-top: 2px; line-height: 1.45; word-break: break-word; }
.c-card small { display: block; color: var(--muted); font-size: 13.5px; margin-top: 4px; }

/* ---------- Footer ---------- */
.site-footer { padding: 88px 0 40px; margin-top: 72px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand p { color: var(--muted); font-size: 15.5px; max-width: 320px; margin-top: 18px; }
.social { display: flex; gap: 8px; margin-top: 22px; }
.social a { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-2); transition: background .2s, color .2s, border-color .2s; }
.social a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.social .i { width: 18px; height: 18px; }
.f-title { font-size: 12px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.f-gap { margin-top: 28px; }
.footer-grid > div:not(.footer-brand) a { display: block; padding: 5px 0; font-size: 15.5px; color: var(--ink-2); }
.footer-grid > div:not(.footer-brand) a:hover { color: var(--accent-ink); }
.footer-grid a span { color: var(--muted); font-size: 14px; }
.f-addr { color: var(--muted); font-size: 15px; margin-top: 8px; line-height: 1.5; }
.footer-grid > div:not(.footer-brand) a.f-map { display: flex; gap: 8px; align-items: flex-start; margin-top: 4px; color: var(--muted); font-size: 15px; line-height: 1.5; }
.f-map .i { width: 16px; height: 16px; flex: none; margin-top: 3px; color: var(--accent); }
.footer-grid > div:not(.footer-brand) a.f-map:hover { color: var(--ink); }
.f-map:hover span { text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

/* =========================================================================
   Ürün kataloğu
   ========================================================================= */
.cat-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.cat-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.cat-meta span { font-size: 13px; font-weight: 600; color: var(--muted); padding: 5px 11px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); }
.cat-book { position: relative; justify-self: center; width: min(380px, 80%); aspect-ratio: 877 / 1240; border: 0; padding: 0; background: none; cursor: zoom-in; }
.cat-book img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 10px; box-shadow: 0 30px 60px -24px rgba(15,16,18,.45), 0 2px 6px rgba(15,16,18,.12); transition: transform .6s var(--ease); }
.cb-back2 { transform: rotate(9deg) translate(28%, 4%) scale(.88); opacity: .9; }
.cb-back1 { transform: rotate(4deg) translate(14%, 2%) scale(.94); }
.cb-front { transform: rotate(-3deg); }
.cat-book:hover .cb-front { transform: rotate(-1deg) translateY(-6px); }
.cat-book:hover .cb-back1 { transform: rotate(6deg) translate(20%, 1%) scale(.94); }
.cat-book:hover .cb-back2 { transform: rotate(12deg) translate(38%, 3%) scale(.88); }
.cb-hint { position: absolute; left: 50%; bottom: -18px; transform: translateX(-50%); display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 600; white-space: nowrap; box-shadow: var(--shadow); }
.cb-hint .i { width: 15px; height: 15px; }

.cat-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cat-nav-card { display: grid; grid-template-columns: 96px 1fr auto; gap: 16px; align-items: center; padding: 10px 18px 10px 10px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); transition: box-shadow .35s var(--ease), transform .35s var(--ease); }
.cat-nav-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cnc-img { width: 96px; height: 96px; border-radius: 14px; overflow: hidden; background: var(--alt); }
.cnc-img img { width: 100%; height: 100%; object-fit: cover; }
.cnc-body { display: grid; gap: 3px; }
.cnc-body strong { font-size: 19px; letter-spacing: -0.015em; }
.cnc-body > span:last-child { font-size: 14px; color: var(--muted); line-height: 1.4; }
.cnc-go { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-2); transform: rotate(90deg); transition: background .3s, color .3s; }
.cnc-go .i { width: 16px; height: 16px; }
.cat-nav-card:hover .cnc-go { background: var(--accent); color: #fff; border-color: var(--accent); }

.cat-approach { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.cat-approach h2 { font-size: clamp(30px, 3.6vw, 46px); margin-bottom: 18px; }
.cat-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.cat-steps li { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 24px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.cat-steps li > span { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-ink); font-weight: 800; }
.cat-steps h3 { font-size: 19px; margin-bottom: 4px; }
.cat-steps p { color: var(--muted); font-size: 15.5px; }

/* Ürün bölümleri */
.cat-product { scroll-margin-top: var(--header-h); }
.cp-head { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.cat-product:nth-of-type(even) .cp-head .cp-photo { order: -1; }
.cp-copy h2 { font-size: clamp(38px, 4.8vw, 62px); letter-spacing: -0.03em; }
.cp-tag { font-size: clamp(20px, 2vw, 25px); font-weight: 600; color: var(--accent-ink); margin: 8px 0 18px; letter-spacing: -0.01em; }
.cp-plain { display: flex; gap: 12px; align-items: flex-start; margin-top: 22px; padding: 16px 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.cp-plain .i { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 2px; }
.cp-plain p { font-size: 15.5px; color: var(--ink-2); }
.cp-photo { position: relative; border-radius: 28px; overflow: hidden; aspect-ratio: 4 / 3; background: var(--ink); box-shadow: var(--shadow-lg); }
.cp-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.cp-photo:hover img { transform: scale(1.04); }
.cp-badge { position: absolute; left: 16px; bottom: 16px; padding: 8px 14px; border-radius: 999px; background: rgba(15,16,18,.72); color: #fff; font-size: 13px; font-weight: 700; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.cp-sub { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.cp-fine { font-size: 13.5px; color: var(--muted); margin-top: 18px; }

.cp-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 64px; }
.cp-features-4 { grid-template-columns: repeat(4, 1fr); }
.feature-card { padding: 26px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.feature-card h3 { font-size: 18.5px; margin-bottom: 6px; }
.feature-card p { color: var(--muted); font-size: 15px; line-height: 1.55; }

.cp-flow, .cp-screen { margin-top: 18px; padding: 28px; border-radius: 24px; background: var(--ink); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.cp-flow::before, .cp-screen::before { content: ''; position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 24px 24px; }
.cp-flow .cp-sub, .cp-screen .cp-sub { color: rgba(255,255,255,.55); }
.cp-flow ol, .cp-screen ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: f; }
.cp-flow li, .cp-screen li { position: relative; padding: 4px 22px 4px 0; }
.cp-flow li + li, .cp-screen li + li { padding-left: 22px; border-left: 1px solid rgba(255,255,255,.12); }
.flow-n { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--accent); color: #fff; font-size: 13px; font-weight: 800; margin-bottom: 14px; }
.cp-flow h3, .cp-screen h3 { font-size: 18px; margin-bottom: 6px; }
.cp-flow p, .cp-screen p { color: rgba(255,255,255,.62); font-size: 14.5px; line-height: 1.5; }

.cp-specs { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; margin-top: 18px; align-items: start; }
.cp-side { display: grid; gap: 14px; }
.cp-side img { width: 100%; height: 300px; object-fit: cover; object-position: center 35%; border-radius: 20px; }
.cp-note { display: flex; gap: 12px; padding: 18px 20px; border-radius: 18px; background: #FFF7E6; border: 1px solid #F6DFA9; }
.cp-note .i { width: 22px; height: 22px; flex: none; color: #B07800; margin-top: 1px; }
.cp-note p { font-size: 14.5px; color: var(--ink-2); }

.cp-field { display: grid; grid-template-columns: .8fr 1.2fr; gap: 18px; margin-top: 18px; }
.field-stat { padding: 32px; border-radius: 24px; background: var(--accent); color: #fff; display: flex; flex-direction: column; }
.field-stat strong { font-size: clamp(64px, 8vw, 104px); font-weight: 800; letter-spacing: -0.04em; line-height: .95; }
.field-stat span { font-size: 19px; font-weight: 600; margin-top: 6px; }
.field-stat p { margin-top: auto; padding-top: 24px; color: rgba(255,255,255,.85); font-size: 15px; }
.field-tests { padding: 28px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.field-tests ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.field-tests li { display: flex; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 16px; font-weight: 500; }
.field-tests li:last-child { border-bottom: 0; }
.field-tests li span { font-size: 12.5px; font-weight: 800; color: var(--accent-ink); width: 26px; }

.cp-highlights { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 64px; }
.hl { padding: 22px 20px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.hl strong { display: block; font-size: 26px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.05; }
.hl span { display: block; font-size: 14px; font-weight: 600; color: var(--accent-ink); margin-top: 2px; }
.hl p { font-size: 13.5px; color: var(--muted); margin-top: 10px; line-height: 1.45; }
.cp-esl { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; margin-top: 18px; align-items: start; }
.esl-sizes, .esl-layouts { padding: 28px; border-radius: 24px; background: var(--surface); border: 1px solid var(--line); }
.esl-sizes > div { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; min-height: 160px; }
.esl-sizes figure { margin: 0; display: grid; justify-items: center; gap: 12px; flex: 1; }
.esl-sizes figure span { display: flex; align-items: flex-end; justify-content: center; height: 140px; }
.esl-sizes figure:nth-child(1) img { width: 52%; }
.esl-sizes figure:nth-child(2) img { width: 72%; }
.esl-sizes figure:nth-child(3) img { width: 86%; }
.esl-sizes figure:nth-child(4) img { width: 100%; }
.esl-sizes figure:nth-child(5) { flex: 1.9; }
.esl-sizes figure:nth-child(5) img { width: 100%; }
.esl-sizes img { border-radius: 8px; box-shadow: 0 8px 18px -10px rgba(15,16,18,.4); }
.esl-sizes figcaption { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; }
.esl-layouts > div { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.esl-layouts figure { margin: 0; }
.esl-layouts img { width: 100%; border-radius: 12px; box-shadow: 0 10px 22px -12px rgba(15,16,18,.4); }
.esl-layouts figure.wide { grid-column: 1 / -1; }
.esl-layouts figure.wide img { max-width: 430px; display: block; margin: 0 auto; }
.esl-layouts figure.wide figcaption { text-align: center; }
.esl-layouts figcaption { font-size: 13.5px; font-weight: 600; color: var(--muted); margin-top: 8px; }

.cat-process { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.cat-process li { padding: 26px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); position: relative; overflow: hidden; }
.cat-process li > span { display: block; font-size: 44px; font-weight: 800; letter-spacing: -0.04em; color: var(--line-2); line-height: 1; margin-bottom: 18px; transition: color .3s; }
.cat-process li:hover > span { color: var(--accent); }
.cat-process h3 { font-size: 19px; margin-bottom: 6px; }
.cat-process p { color: var(--muted); font-size: 15px; }

.cat-pages { display: grid; grid-template-columns: repeat(8, 1fr); gap: 14px; }
.cat-page { position: relative; padding: 0; border: 0; background: none; cursor: zoom-in; border-radius: 8px; }
.cat-page img { width: 100%; aspect-ratio: 297 / 420; object-fit: cover; border-radius: 8px; box-shadow: 0 1px 3px rgba(15,16,18,.12), 0 10px 22px -14px rgba(15,16,18,.35); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.cat-page:hover img { transform: translateY(-4px); box-shadow: 0 2px 4px rgba(15,16,18,.1), 0 20px 34px -16px rgba(15,16,18,.45); }
.cat-page span { display: block; text-align: center; font-size: 12px; font-weight: 700; color: var(--muted); margin-top: 8px; }

.sales { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; padding: 56px; border-radius: 32px; background: var(--ink); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.sales::after { content: ''; position: absolute; z-index: -1; right: -10%; top: -60%; width: 60%; aspect-ratio: 1; background: radial-gradient(closest-side, rgba(255,94,14,.4), transparent); }
.sales h2 { font-size: clamp(30px, 3.8vw, 48px); }
.sales > div > p:not(.eyebrow) { color: rgba(255,255,255,.65); font-size: 17px; margin-top: 16px; max-width: 520px; }
.sales-card { display: grid; gap: 10px; padding: 26px; border-radius: 22px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sales-card > div { margin-bottom: 8px; }
.sales-av { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); font-weight: 800; font-size: 18px; }
.sales-card strong { display: block; font-size: 20px; }
.sales-card > div span { font-size: 14px; color: rgba(255,255,255,.6); }
.sales-card a { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.06); font-weight: 600; font-size: 15px; transition: background .2s; word-break: break-all; }
.sales-card a:hover { background: var(--accent); }
.sales-card a .i { width: 18px; height: 18px; flex: none; }

/* Elektrik panosu çizimi (katalog + AICO Sense) */
.pn-svg { display: block; width: 100%; height: auto; }
.pn-svg .pn-l { font: 700 10px var(--sans); fill: #4A525C; }
.pn-svg .pn-w { font: 700 10px var(--sans); fill: #fff; }
.pn-svg .pn-lcd { font: 500 11px var(--mono); fill: #7CF0C0; }
.pn-svg .pn-logo { font: 800 24px var(--sans); fill: #FF5E0E; letter-spacing: .08em; }
.pn-svg .pn-sub { font: 600 9.5px var(--sans); fill: #4A525C; }
.pn-wire { fill: none; stroke: #FF5E0E; stroke-width: 1.4; stroke-opacity: .55; stroke-dasharray: 3 3; }
.pn-led { fill: #1F9D61; }
.pn-heat { mix-blend-mode: multiply; transition: r .6s; }
.pn-ring { fill: none; stroke: #FF5E0E; stroke-width: 2; opacity: .55; transform-box: fill-box; transform-origin: center; }
.pn-dot { fill: #1E2227; stroke: #FF5E0E; stroke-width: 2.5; }
.pn-chip { fill: rgba(255,255,255,.95); stroke: #C9CFD5; }
.pn-svg .pn-t { font: 800 11px var(--sans); fill: #0F1012; }
.pn-s[data-st="warn"] .pn-chip { fill: #F0A000; stroke: #F0A000; }
.pn-s[data-st="crit"] .pn-chip { fill: #E5484D; stroke: #E5484D; }
.pn-s[data-st="warn"] .pn-t, .pn-s[data-st="crit"] .pn-t { fill: #fff; }
.pn-s[data-st="warn"] .pn-ring, .pn-s[data-st="crit"] .pn-ring { stroke: currentColor; opacity: 1; animation: ledRing 1.3s ease-out infinite; }
.pn-s[data-st="warn"] { color: #F0A000; }
.pn-s[data-st="gas"] .pn-chip { fill: #FF5E0E; stroke: #FF5E0E; }
.pn-s[data-st="gas"] .pn-t { fill: #fff; }
.pn-s[data-st="gas"] .pn-ring { stroke: #FF5E0E; opacity: 1; animation: ledRing 1.3s ease-out infinite; }
.pn-s[data-st="crit"] { color: #E5484D; }
@keyframes ledRing { from { transform: scale(.6); opacity: 1; } to { transform: scale(2.4); opacity: 0; } }
.cp-panel { position: relative; margin: 0; padding: 18px; border-radius: 20px; background: linear-gradient(180deg, #FFFFFF, #F1EFEA); border: 1px solid var(--line); }
.cp-panel .pn-svg { max-height: 460px; margin: 0 auto; width: auto; max-width: 100%; }
.cp-panel figcaption { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-top: 12px; }
.cp-panel figcaption b { color: var(--ink); }

/* Eğitim verisi bölümü (AICO Vision) */
.train { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.train-stat { position: relative; overflow: hidden; isolation: isolate; padding: 40px; border-radius: 28px; background: var(--ink); color: #fff; min-height: 360px; display: flex; flex-direction: column; justify-content: flex-end; }
.train-n { font-size: clamp(44px, 5vw, 76px); font-weight: 800; letter-spacing: -0.035em; line-height: 1; color: var(--accent); position: relative; }
.train-l { font-size: 20px; font-weight: 600; margin-top: 8px; position: relative; }
.train-grid { position: absolute; inset: 18px 18px auto; display: grid; grid-template-columns: repeat(12, 1fr); gap: 5px; z-index: -1; opacity: .9; }
.train-grid i { aspect-ratio: 1; border-radius: 4px; background: rgba(255,255,255,.06); animation: trainBlink 3.2s ease-in-out infinite; }
.train-grid i:nth-child(3n) { animation-delay: .4s; } .train-grid i:nth-child(5n) { animation-delay: 1.1s; } .train-grid i:nth-child(7n) { animation-delay: 1.9s; }
.train-grid i.f { background: rgba(255,94,14,.35); } .train-grid i.s { background: rgba(154,161,170,.35); } .train-grid i.n { background: rgba(61,199,245,.25); }
@keyframes trainBlink { 50% { opacity: .35; } }
.train h2 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 16px; }
.train-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.train-groups > div { padding: 18px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.train-groups b { font-size: 16px; }
.train-groups p { font-size: 14px; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.tg-dot { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 8px; }
.tg-dot.f { background: #FF5E0E; } .tg-dot.s { background: #9AA1AA; } .tg-dot.n { background: #3DC7F5; } .tg-dot.d { background: #1F9D61; }
.specs-fine { font-size: 13px; color: var(--muted); padding: 14px 0 10px; border-top: 1px solid var(--line); }
@media (max-width: 1080px) { .train { grid-template-columns: 1fr; gap: 32px; } .train-stat { min-height: 260px; } }
@media (max-width: 600px) { .train-groups { grid-template-columns: 1fr; } .train-stat { padding: 26px; } }

/* Ana sayfa katalog bandı */
.cat-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: center; padding: 40px 56px; border-radius: 32px; background: linear-gradient(120deg, #FFF3EA, #FFFFFF 60%); border: 1px solid #FBE0CF; transition: box-shadow .4s var(--ease), transform .4s var(--ease); overflow: hidden; }
.cat-band:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cat-band-covers { position: relative; height: 280px; }
.cat-band-covers img { position: absolute; top: 50%; left: 50%; width: 170px; aspect-ratio: 297 / 420; object-fit: cover; border-radius: 8px; box-shadow: 0 24px 40px -20px rgba(15,16,18,.5); transition: transform .6s var(--ease); }
.cat-band-covers img:nth-child(1) { transform: translate(-115%, -50%) rotate(-10deg) scale(.86); }
.cat-band-covers img:nth-child(2) { transform: translate(15%, -50%) rotate(10deg) scale(.86); }
.cat-band-covers img:nth-child(3) { transform: translate(-50%, -52%) rotate(-2deg); }
.cat-band:hover .cat-band-covers img:nth-child(1) { transform: translate(-130%, -50%) rotate(-14deg) scale(.86); }
.cat-band:hover .cat-band-covers img:nth-child(2) { transform: translate(30%, -50%) rotate(14deg) scale(.86); }
.cat-band h2 { font-size: clamp(28px, 3.2vw, 40px); }
.cat-band-copy > p:not(.eyebrow) { color: var(--muted); margin: 14px 0 24px; font-size: 16.5px; }

/* Görüntüleyici */
.viewer { position: fixed; inset: 0; z-index: 100; background: rgba(15,16,18,.94); display: grid; grid-template-columns: 72px 1fr 72px; grid-template-rows: auto 1fr; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.viewer[hidden] { display: none; }
.viewer-bar { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; color: #fff; }
.viewer-count { font-size: 15px; color: rgba(255,255,255,.7); }
.viewer-count b { color: #fff; }
.viewer-actions { display: flex; gap: 10px; align-items: center; }
.viewer-close { width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: transparent; color: #fff; display: grid; place-items: center; }
.viewer-close:hover { background: rgba(255,255,255,.12); }
.viewer-stage { display: grid; place-items: center; padding: 0 0 20px; min-height: 0; }
.viewer-stage img { max-width: 100%; max-height: calc(100dvh - 90px); border-radius: 6px; box-shadow: 0 30px 80px rgba(0,0,0,.5); background: #fff; }
.viewer-nav { align-self: center; justify-self: center; width: 48px; height: 48px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.06); color: #fff; display: grid; place-items: center; }
.viewer-nav:hover { background: var(--accent); border-color: var(--accent); }
.viewer-nav.prev .i { transform: rotate(180deg); }

@media (max-width: 1080px) {
  .sol-bento { grid-template-columns: 1fr 1fr; }
  .sol-bento > .sol-card, .sol-bento > .sol-card:nth-child(-n+2) { grid-column: span 1; }
  .sol-bento > .sol-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .cat-hero-grid, .cat-approach, .cp-head, .cp-specs, .cp-field, .cp-esl, .sales, .cat-band { grid-template-columns: 1fr; }
  .cat-product:nth-of-type(even) .cp-head .cp-photo { order: 0; }
  .cat-nav { grid-template-columns: 1fr; }
  .cp-features-4 { grid-template-columns: 1fr 1fr; }
  .cp-highlights { grid-template-columns: repeat(3, 1fr); }
  .cat-pages { grid-template-columns: repeat(4, 1fr); }
  .cat-book { margin-top: 12px; }
}
@media (max-width: 760px) {
  .cp-features, .cp-features-4, .cat-process { grid-template-columns: 1fr; }
  .cp-flow ol, .cp-screen ol { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .cp-flow li:nth-child(3), .cp-screen li:nth-child(3) { padding-left: 0; border-left: 0; }
  .cp-highlights { grid-template-columns: 1fr 1fr; }
  .cat-pages { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .sales, .cat-band { padding: 28px 22px; border-radius: 24px; }
  .cat-band-covers { height: 220px; }
  .cat-band-covers img { width: 130px; }
  .viewer { grid-template-columns: 1fr 1fr; grid-template-rows: auto 1fr auto; }
  .viewer-stage { grid-column: 1 / -1; grid-row: 2; padding: 0 10px; }
  .viewer-stage img { max-height: calc(100dvh - 150px); }
  .viewer-nav { grid-row: 3; margin: 12px 0 20px; }
  .esl-sizes > div { min-height: 0; }
  .esl-sizes figure span { height: 80px; }
  .esl-sizes figcaption { font-size: 15px; }
  .cat-nav-card { grid-template-columns: 72px 1fr auto; }
  .cnc-img { width: 72px; height: 72px; }
}

/* Dil seçici: tek düğme, sabit genişlik */
.lang { display: inline-flex; align-items: center; justify-content: center; gap: 6px; width: 72px; height: 38px; flex: none; border-radius: 999px; border: 1px solid var(--line-2); background: var(--surface); margin-left: 8px; font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--ink); transition: border-color .2s, color .2s, background .2s; }
.lang .i { width: 17px; height: 17px; color: var(--muted); transition: color .2s, transform .4s var(--ease); }
.lang span { width: 20px; text-align: center; }
.lang:hover { border-color: var(--accent); color: var(--accent-ink); }
.lang:hover .i { color: var(--accent); transform: rotate(180deg); }
.lang-mob { display: none; }

/* ---------- Görünme animasyonu ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation: none !important; }
  .js .v-draw { stroke-dasharray: none; }
  .js .v-rise { transform: none; }
  .ticker-track { animation: none; }
}

/* ---------- Duyarlı ---------- */
@media (max-width: 1080px) {
  .nav, .header-cta { display: none; }
  .menu-btn { display: grid; }
  .lang-desk { margin-left: auto; }
  .menu-btn { margin-left: 8px; }
  .hero-grid, .sol-hero-grid, .proj-hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 560px; }
  .sol-grid { grid-template-columns: 1fr 1fr; }
  .process, .values { grid-template-columns: 1fr 1fr; }
  .faq-wrap, .who-grid, .story-grid, .problem { grid-template-columns: 1fr; gap: 40px; }
  .faq-wrap .sec-head { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { grid-template-columns: 1fr; gap: 32px; padding: 56px 40px; }
  .sol-row { grid-template-columns: 280px 1fr auto; }
  .sol-row-stats { display: none; }
}
@media (max-width: 860px) {
  .sol-grid-3, .proj-grid { grid-template-columns: 1fr 1fr; }
  .sol-row { grid-template-columns: 1fr; padding: 12px 12px 24px; gap: 18px; }
  .sol-row-main { padding: 0 12px; }
  .sol-row-go { display: none; }
  .explain, .steps, .features, .contact-grid, .ps-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats-band { row-gap: 28px; }
  .stats-band > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .tldr { grid-template-columns: 1fr; gap: 20px; padding: 30px 26px; }
  .kpis { grid-template-columns: 1fr 1fr; }
  .next-card { grid-template-columns: 1fr; padding: 12px; gap: 20px; }
  .next-copy { padding: 8px 12px 0; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; }
  .split-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .section { padding: 72px 0; }
  .section-tight { padding: 40px 0; }
  .hero { padding: 40px 0 64px; }
  .hero .lead, .page-hero .lead { font-size: 17.5px; }
  .page-hero { padding: 48px 0 40px; }
  .sec-head { margin-bottom: 36px; }
  .sol-bento > .sol-card:last-child:nth-child(odd) { grid-column: auto; }
  .sol-grid, .sol-grid-3, .sol-bento, .proj-grid, .process, .values, .form-row, .mm-grid { grid-template-columns: 1fr; }
  .sol-card { min-height: 0; }
  .custom { grid-template-columns: 1fr; padding: 24px; }
  .hv-card { padding: 20px; }
  .hv-feed { margin: -14px 10px 0; }
  .hv-metrics strong { font-size: 14.5px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .cta-band .cta-inner { width: calc(100% - 32px); padding: 44px 24px; border-radius: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .form, .ps-card, .related, .open-card, .problem-stat { padding: 24px; }
  .faq details p { padding-right: 0; }
  .faq summary { font-size: 17px; }
  .stats-4 { grid-template-columns: 1fr 1fr; }
  .kpi { min-height: 132px; padding: 18px; }
  .kpi::after { left: 18px; }
  .sol-bento .sol-card h3 { font-size: 26px; }
  .brand img { height: 34px; }
  .brand-sub { display: none; }
}