/* ==========================================================================
   Makbim Teknoloji — main.css
   Kurumsal renkler: lacivert #123866, kırmızı #DE2A1B
   Tasarım dili: düz yüzeyler, ince çizgiler, keskin köşeler, levha/katalog tipografisi.
   ========================================================================== */

:root {
  --ink: #111A28;
  --text: #3B424C;
  --muted: #646A74;
  --line: #E2E0DA;
  --line-2: #CFCCC4;
  --bg: #FFFFFF;
  --soft: #F4F3EF;

  --brand: #123866;
  --brand-2: #1B4A86;
  --red: #DE2A1B;
  --red-d: #BC1F12;
  --cyan: #5AC8FA;
  --ok: #1E8A4C;

  --dark: #0C1A2E;
  --dark-2: #122540;
  --on-dark: #C4CDD9;
  --on-dark-2: #8C98AA;
  --dark-line: rgba(255, 255, 255, .14);

  --f-head: "Barlow Semi Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Barlow", "Helvetica Neue", Arial, sans-serif;

  --r: 4px;
  --header-h: 76px;
  --wrap: 1240px;
  --ease: cubic-bezier(.2, .7, .2, 1);

  --c: var(--brand);
  --c-soft: #EEF1F5;
}

/* --------------------------------------------------------------- temel */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  overflow-x: clip;
  margin: 0; background: var(--bg); color: var(--text);
  font: 400 17px/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: lining-nums;
}
img, svg { max-width: 100%; }
img { height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--f-head); color: var(--ink); font-weight: 600; line-height: 1.1; margin: 0 0 .55em; letter-spacing: 0; }
h1 { font-size: clamp(2.4rem, 5vw, 4.3rem); line-height: 1.02; }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.7rem); }
h3 { font-size: 1.3rem; line-height: 1.2; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
[hidden] { display: none !important; }
::selection { background: var(--red); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(16px, 4vw, 32px); }
.narrow { max-width: 860px; }
.muted { color: var(--muted); }
.br-lg { display: none; }
@media (min-width: 900px) { .br-lg { display: inline; } }

.skip { position: absolute; inset-inline-start: 12px; top: -60px; z-index: 100; background: #fff; color: var(--ink); padding: .6rem 1rem; }
.skip:focus { top: 12px; }

.ico { width: 1.15em; height: 1.15em; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.18em; }

/* Logodaki "oynat" düğmesinden türetilen işaretçi */
.eyebrow {
  display: flex; align-items: center; gap: .55rem;
  font: 600 .95rem/1.3 var(--f-body); color: var(--ink); margin: 0 0 .9rem;
}
.eyebrow::before { content: ""; flex-shrink: 0; width: 0; height: 0; border-left: 8px solid var(--red); border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.eyebrow.on-dark { color: var(--on-dark); }

.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .25rem .6rem; border: 1px solid var(--line-2); border-radius: 2px; font: 600 .82rem/1.2 var(--f-body); color: var(--ink); }
.page-hero .chip { border-color: var(--dark-line); color: var(--on-dark); }
.page-hero a.chip:hover { color: #fff; border-color: rgba(255, 255, 255, .4); }
.page-hero .eyebrow:has(.chip)::before { display: none; }

.tlink { display: inline-flex; align-items: center; gap: .45rem; font-weight: 600; color: var(--ink); padding-bottom: 2px; border-bottom: 1.5px solid currentColor; transition: color .2s; }
.tlink:hover { color: var(--red); }
.tlink .ico { transition: transform .2s var(--ease); }
.tlink:hover .ico { transform: translateX(3px); }
.tlink.on-dark { color: #fff; }
.tlink.on-dark:hover { color: #FF8B7F; }

/* --------------------------------------------------------------- butonlar */
.btn {
  --bg: var(--ink); --fg: #fff; --bd: var(--bg);
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .8rem 1.25rem; border-radius: 3px; border: 1.5px solid var(--bd);
  background: var(--bg); color: var(--fg); font: 600 1rem/1.2 var(--f-body); white-space: nowrap;
  transition: background .2s, border-color .2s, color .2s;
}
.btn .ico { transition: transform .2s var(--ease); }
.btn:hover .ico:last-child { transform: translateX(3px); }
.btn-primary { --bg: var(--red); }
.btn-primary:hover { --bg: var(--red-d); }
.btn-ghost-dark { --bg: transparent; --bd: rgba(255, 255, 255, .45); }
.btn-ghost-dark:hover { --bd: #fff; }
.btn-outline { --bg: transparent; --fg: var(--ink); --bd: var(--ink); }
.btn-outline:hover { --bg: var(--ink); --fg: #fff; }
.btn-sm { padding: .55rem .95rem; font-size: .95rem; }
.btn-lg { padding: .95rem 1.5rem; font-size: 1.05rem; }

/* --------------------------------------------------------------- header */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 60; height: var(--header-h);
  padding-top: env(safe-area-inset-top, 0px);
  color: #fff; transition: background .25s, color .25s, border-color .25s;
  border-bottom: 1px solid transparent;
}
.site-header .header-in { position: relative; height: var(--header-h); display: flex; align-items: center; gap: 2rem; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand .logo { height: 34px; width: auto; }
/* Koyu zeminde logo tamamen beyaz; beyaz zeminde orijinal renkler */
.logo .lg-n, .logo .lg-r { fill: #fff; transition: fill .25s; }
.site-header.is-solid, .site-header.menu-open { background: #fff; color: var(--ink); border-bottom-color: var(--line); }
.site-header.is-solid .logo .lg-n, .site-header.menu-open .logo .lg-n { fill: var(--brand); }
.site-header.is-solid .logo .lg-r, .site-header.menu-open .logo .lg-r { fill: var(--red); }

.nav { margin-inline-start: auto; }
.nav-list { display: flex; align-items: center; gap: .25rem; }
.nav-list > li { position: relative; }
.nav-list > li.has-mega { position: static; }
.nav-link { display: inline-flex; align-items: center; gap: .3rem; padding: .55rem .8rem; font: 500 1.02rem/1 var(--f-body); color: inherit; border-bottom: 2px solid transparent; transition: border-color .2s, opacity .2s; opacity: .9; }
.nav-link:hover, .has-drop.open > .nav-link { opacity: 1; }
.nav-link[aria-current="page"] { opacity: 1; border-bottom-color: var(--red); }
.chev { width: 14px; height: 14px; transition: transform .25s; }
.has-drop.open > .nav-link .chev { transform: rotate(180deg); }

.drop {
  position: absolute; top: calc(100% + 10px); inset-inline-start: 0; min-width: 250px; z-index: 5;
  background: #fff; color: var(--ink); border: 1px solid var(--line-2); border-top: 3px solid var(--red); border-radius: 0;
  box-shadow: 0 18px 40px -20px rgba(17, 26, 40, .35); padding: .4rem 0;
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .2s var(--ease), visibility .18s;
}
.drop::before { content: ""; position: absolute; inset: -16px 0 auto; height: 16px; }
.has-drop.open > .drop { opacity: 1; visibility: visible; transform: none; }
.drop ul a { display: block; padding: .55rem 1.1rem; font-size: 1rem; color: var(--text); }
.drop ul a:hover { color: var(--red); background: var(--soft); }

.mega { left: 50%; width: min(1180px, calc(100vw - 32px)); transform: translate(-50%, 6px); padding: 1.5rem 1.5rem 0; top: calc(var(--header-h) - 6px); }
.has-drop.open > .mega { transform: translate(-50%, 0); }
.mega-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
.mega-head { display: block; font: 600 1.08rem/1.2 var(--f-head); color: var(--ink); padding: 0 0 .7rem; border-bottom: 1px solid var(--ink); margin-bottom: .5rem; }
.mega-head:hover { color: var(--red); }
.mega-col ul a { display: block; padding: .3rem 0; font-size: .95rem; color: var(--muted); line-height: 1.35; }
.mega-col ul a:hover { color: var(--red); }
.mega-foot { display: flex; justify-content: space-between; align-items: center; margin: 1.25rem -1.5rem 0; padding: .9rem 1.5rem; background: var(--soft); border-top: 1px solid var(--line); font-size: .95rem; color: var(--muted); }
.mega-foot a { display: inline-flex; gap: .4rem; align-items: center; font-weight: 600; color: var(--ink); }
.mega-foot a:hover { color: var(--red); }

.header-cta { display: flex; align-items: center; gap: 1.1rem; }

.nav-toggle { display: none; width: 44px; height: 44px; margin-inline-start: auto; position: relative; }
.nav-toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: currentColor; transition: transform .3s var(--ease), opacity .2s, top .3s var(--ease); }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

.mnav { position: fixed; inset: var(--header-h) 0 0; z-index: 59; background: #fff; overflow-y: auto; overscroll-behavior: contain; }
.mnav-in { padding: .5rem clamp(16px, 4vw, 32px) calc(2rem + env(safe-area-inset-bottom, 0px)); }
.mnav-label { font: 600 .9rem/1 var(--f-body); color: var(--muted); margin: 1.6rem 0 .5rem; }
.mnav details { border-bottom: 1px solid var(--line); }
.mnav summary { list-style: none; display: flex; align-items: center; gap: .75rem; padding: .9rem 0; font: 600 1.15rem/1.25 var(--f-head); color: var(--ink); cursor: pointer; }
.mnav summary::-webkit-details-marker { display: none; }
.mnav summary::after { content: ""; margin-inline-start: auto; width: 9px; height: 9px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .25s; }
.mnav details[open] summary::after { transform: rotate(-135deg); }
.mnav details ul { padding: 0 0 .8rem; padding-inline-start: 1rem; border-inline-start: 2px solid var(--red); margin-bottom: .8rem; }
.mnav details a { display: block; padding: .4rem 0; color: var(--text); }
.mnav-links a { display: block; padding: .65rem 0; color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--line); }
.mnav-links.big a { font: 600 1.2rem/1.3 var(--f-head); }

/* --------------------------------------------------------------- koyu zemin (düz) */
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; background: var(--dark); }

/* --------------------------------------------------------------- hero */
.hero { position: relative; overflow: hidden; background: var(--dark); color: var(--on-dark); padding: calc(var(--header-h) + clamp(1.5rem, 4vh, 3rem)) 0 0;
  display: flex; flex-direction: column; min-height: 100vh; min-height: 100svh; }
.hero > .wrap { position: relative; z-index: 1; }
.hero > .hero-in { flex: 1; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { color: #fff; margin-bottom: 1.4rem; }
.hero h1 em { font-style: normal; box-shadow: inset 0 -.1em 0 var(--red); }
/* İngilizce, Rusça ve Arapça başlıklar daha uzun kelimelerden oluşur; ilk ekrana sığsın diye biraz küçük */
:root:not([lang="tr"]) .hero h1 { font-size: clamp(2.2rem, 3.9vw, 3.6rem); }
.lead { font-size: clamp(1.1rem, 1.4vw, 1.25rem); line-height: 1.55; color: var(--on-dark); max-width: 38rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 2rem 0 0; }
/* açılış görseli: bir tesiste güvenlik projesinin beş aşaması (scenes.hero_site, hero.js) */
.hero-visual { position: relative; }
.hx { position: relative; overflow: hidden; aspect-ratio: 1 / 1; width: min(100%, max(340px, calc(100svh - 330px))); margin-inline-start: auto; background: #081427; border: 1px solid var(--dark-line); isolation: isolate; }
.hx-svg { display: block; width: 100%; height: 100%; }
.hx .sx-lbl { font: 500 11px var(--f-head); fill: #587394; }
.hx .scr { fill: #16304f; transition: fill .6s ease; }
.hx .sx-ov { transition: opacity .6s ease; }
.hx.fading .sx-ov, .hx.fading .hx-panel { opacity: 0; }
.hx:not(.ge1) .hx-panel { opacity: 0; }
.hx.snap *, .hx.snap *::before, .hx.snap *::after { transition: none !important; animation: none !important; }

/* 1 — risk analizi: tarama ve risk noktaları */
.hx .scan { opacity: 0; }
.hx.ph1 .scan { animation: hx-scan 3.2s linear .1s both; }
@keyframes hx-scan { 0% { opacity: 0; transform: translateY(0); } 6%, 90% { opacity: 1; } 100% { opacity: 0; transform: translateY(460px); } }
.hx .rk { opacity: 0; transition: opacity .45s ease; }
.hx.ph1 .rk { opacity: 1; transition-delay: var(--d); }
.hx.ph2 .rk { opacity: .3; }
.hx .rk .ring { transform-box: fill-box; transform-origin: center; animation: hx-ring 1.8s ease-out infinite; }
.hx.ph2 .rk .ring { animation: none; opacity: 0; }
@keyframes hx-ring { from { transform: scale(1); opacity: .9; } to { transform: scale(2.8); opacity: 0; } }

/* 2 — ihtiyaç tespiti: planlanan cihazlar ve kapsama alanları (kesikli) */
.hx .pl, .hx .cn .cd { opacity: 0; transition: opacity .5s ease; }
.hx.ge2 .pl, .hx.ge2 .cn .cd { opacity: 1; transition-delay: calc(.3s + var(--i) * .22s); }

/* 3 — donanım & yazılım: cihazlar kurulur, kablolar izleme odasına bağlanır */
.hx .so { opacity: 0; transition: opacity .5s ease; }
.hx.ge3 .so { opacity: 1; transition-delay: calc(.3s + var(--i) * .28s); }
.hx.ge3 .pl { opacity: 0; transition-delay: calc(.3s + var(--i) * .28s); }
.hx.ge3 .cn .cd { opacity: .55; }
.hx .cb { opacity: 0; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); transition: stroke-dashoffset .3s ease, opacity .3s ease; }
.hx.ge3 .cb { opacity: .7; stroke-dashoffset: 0; transition: stroke-dashoffset 1.5s ease calc(.4s + var(--i) * .28s), opacity .3s ease calc(.4s + var(--i) * .28s); }
.hx.ge3 .scr { fill: #5AC8FA; transition-delay: 3s; }

/* 4 — uygulama: sistem devrede, veri akıyor; çit ihlali algılanıyor */
.hx .led { fill: #34455c; transition: fill .3s ease; }
.hx.ge4 .led { fill: #2BD67B; transition-delay: calc(var(--i) * .12s); }
.hx .cn .cf { opacity: 0; transition: opacity .8s ease; }
.hx.ge4 .cn .cf { opacity: .13; transition-delay: .3s; }
.hx.ge4 .cn .cd { opacity: .3; }
.hx .pz { opacity: 0; transition: opacity .6s ease; }
.hx.ge4 .pz { opacity: .95; transition-delay: .6s; }
.hx .intr { opacity: 0; transform: translate(29px, 116px); transition: opacity .4s ease, transform 0s linear .4s; }
.hx.ph4 .intr { opacity: 1; transform: none; transition: opacity .5s ease .6s, transform 2.6s linear .6s; }
.hx .det, .hx .alm { opacity: 0; transition: opacity .3s ease; }
.hx.ph4 .det { opacity: 1; transition-delay: 3.3s; }
.hx.ph4 .alm { opacity: .2; transition-delay: 3.3s; }
.hx .det text { font: 600 10px var(--f-head); fill: #FF7A6E; }

/* 5 — servis & bakım: servis aracı girer, cihazlar tek tek kontrol edilir */
.hx .van { opacity: 0; }
.hx.ph5 .van { opacity: 1; animation: hx-van 5s ease-in-out .3s both; }
@keyframes hx-van { 0% { transform: translateY(160px); } 30%, 48% { transform: translateY(82px); } 85%, 100% { transform: none; } }
.hx .bar { transform-origin: 298px 500px; }
.hx.ph5 .bar { animation: hx-bar 5s ease-in-out .3s both; }
@keyframes hx-bar { 0%, 28% { transform: none; } 40%, 80% { transform: rotate(-82deg); } 92%, 100% { transform: none; } }
.hx .ok { opacity: 0; transform: scale(.4); transform-box: fill-box; transform-origin: center; transition: opacity .3s ease, transform .3s ease; }
.hx.ph5 .ok { opacity: 1; transform: none; transition-delay: calc(.8s + var(--i) * .3s); }

/* aşama paneli */
.hx-panel {
  position: absolute; left: 4%; bottom: 4%; z-index: 2; width: min(230px, 50%); padding: .65rem .85rem .7rem;
  background: rgba(8, 20, 39, .9); border: 1px solid rgba(255, 255, 255, .16); border-left: 3px solid var(--red);
  font: 500 .9rem/1.3 var(--f-head); color: #fff; transition: opacity .6s ease;
}
.hx-k { margin: 0 0 .45rem; font-size: .85rem; color: var(--on-dark-2); }
.hx-k b { color: #fff; font-weight: 600; }
.hx-risk { display: none; align-items: baseline; gap: .45rem; }
.hx-risk strong { font-size: 2rem; line-height: 1; font-weight: 600; font-variant-numeric: tabular-nums; }
.hx-risk span { color: var(--on-dark-2); }
.hx.ph1 .hx-risk { display: flex; }
.hx.ph1 .hx-layers { display: none; }
.hx-layers li { display: flex; align-items: center; gap: .5rem; padding: .16rem 0; }
.hx-layers i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); flex-shrink: 0; }
.hx-layers b { margin-inline-start: auto; padding-inline-start: .5rem; font-size: .82rem; font-weight: 500; color: var(--on-dark-2); white-space: nowrap; }
.hx-layers b[data-s="ok"] { color: #fff; }
.hx-layers b[data-s="live"] { color: #2BD67B; }
.hx-layers b[data-s="alarm"] { color: #FF6B5E; }
.hx-foot { margin: .45rem 0 0; padding-top: .45rem; border-top: 1px solid rgba(255, 255, 255, .12); font-size: .82rem; color: var(--on-dark-2); }
.hx-foot[data-s="alarm"] { color: #FF7A6E; }

/* çalışma adımları (açılışın alt satırı) */
.hx-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-top: clamp(1.75rem, 4vh, 3rem); border-top: 1px solid var(--dark-line); }
.hx-step {
  position: relative; display: grid; gap: .3rem; align-content: start; width: 100%; height: 100%; padding: 1.05rem 1.25rem 1.35rem 0;
  background: none; border: 0; color: inherit; font: inherit; text-align: start; cursor: pointer;
}
li + li > .hx-step { padding-inline-start: 1.25rem; border-inline-start: 1px solid var(--dark-line); }
.hx-bar { position: absolute; left: 0; right: 0; top: -1px; height: 2px; overflow: hidden; }
li + li > .hx-step .hx-bar { inset-inline-start: -1px; }
.hx-bar i { display: block; height: 100%; background: var(--red); transform: scaleX(0); transform-origin: left; }
.hx-step.done .hx-bar i { transform: none; background: rgba(255, 255, 255, .28); }
.hx-step[aria-current] .hx-bar i { animation: hx-progress var(--hx-dur, 6s) linear both; }
@keyframes hx-progress { to { transform: none; } }
.hx-n { font: 600 .85rem/1 var(--f-head); color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.hx-step strong { font: 600 1.15rem/1.2 var(--f-head); color: var(--on-dark); transition: color .3s; }
.hx-d { font-size: .92rem; line-height: 1.4; color: var(--on-dark-2); transition: color .3s; }
.hx-step[aria-current] .hx-n { color: #FF7A6E; }
.hx-step[aria-current] strong, .hx-step:hover strong { color: #fff; }
.hx-step[aria-current] .hx-d { color: var(--on-dark); }
.hx-step:focus-visible { outline: 2px solid #fff; outline-offset: -2px; }
.hero.paused .hx *, .hero.paused .hx-bar i { animation-play-state: paused !important; }

/* kısa dizüstü ekranlar: açılış alanı ve adımlar ilk ekrana sığsın */
@media (min-width: 961px) and (max-height: 880px) {
  .hero h1 { font-size: min(4.6vw, 7.4vh, 4.3rem); margin-bottom: 1rem; }
  :root:not([lang="tr"]) .hero h1 { font-size: min(3.9vw, 6.2vh, 3.6rem); }
  .hero .lead { font-size: 1.08rem; }
  .hero-actions { margin-top: 1.4rem; }
  .hx-steps { margin-top: 1.25rem; }
  .hx-step { padding-top: .85rem; padding-bottom: 1rem; }
  .hx-d { font-size: .88rem; }
}

/* --------------------------------------------------------------- referans kurumlar */
.trust { border-bottom: 1px solid var(--line); background: #fff; }
.trust-in { display: flex; align-items: baseline; gap: 1rem 2rem; padding-block: 1.5rem; }
.trust-label { margin: 0; flex-shrink: 0; font-size: .95rem; color: var(--muted); }
.clients { display: flex; flex-wrap: wrap; gap: .35rem 0; }
.clients li { font: 600 1.08rem/1.3 var(--f-head); color: var(--ink); white-space: nowrap; }
.clients li:not(:last-child)::after { content: "/"; margin: 0 .8rem; color: var(--line-2); font-weight: 400; }

/* --------------------------------------------------------------- bölümler */
.section { position: relative; padding-block: clamp(4rem, 8vw, 6.5rem); }
.section-tight { padding-block: clamp(2.75rem, 5vw, 4rem); }
.section-soft { background: var(--soft); }
.section-dark { background: var(--dark); color: var(--on-dark); overflow: hidden; }
.section-dark > .wrap { position: relative; z-index: 1; }
.section-dark h2 { color: #fff; }
.sec-head { max-width: 48rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.sec-head.center { text-align: center; margin-inline: auto; }
.sec-head.center .eyebrow { justify-content: center; }
.sec-head.split { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 3rem; align-items: end; }
.sec-head.split h2 { margin: 0; }
.sec-lead { font-size: 1.12rem; color: var(--muted); margin: 0; }
.on-dark .sec-lead, .section-dark .sec-lead { color: var(--on-dark); }
.sec-head.split .sec-lead + .tlink { margin-top: 1.1rem; }

/* çözüm alanları — numaralı dizin */
.areas { border-top: 2px solid var(--ink); }
.area { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.25fr); gap: 1rem 2rem; padding: 2rem 0 2.1rem; border-bottom: 1px solid var(--line-2); }
.area-n { font: 600 1.7rem/1 var(--f-head); color: var(--red); padding-top: .15rem; }
.area-main h3 { font-size: clamp(1.45rem, 2.2vw, 1.8rem); margin-bottom: .35rem; }
.area-main h3 a:hover { color: var(--red); }
.area-main p { color: var(--muted); margin-bottom: 1.1rem; }
.area-items { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.75rem; align-content: start; }
.area-items a { display: block; padding: .42rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; color: var(--text); transition: color .15s; }
.area-items a:hover { color: var(--red); }

/* sahada nasıl çalışır */
.explorer { display: grid; gap: 1.75rem; }
.ex-tabs { justify-self: center; display: inline-flex; gap: 2rem; border-bottom: 1px solid var(--line-2); }
.ex-tabs button { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 0; margin-bottom: -1px; font-weight: 600; font-size: 1.05rem; color: var(--muted); border-bottom: 3px solid transparent; transition: color .2s, border-color .2s; }
.ex-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--red); }
.ex-tabs button:hover { color: var(--ink); }
.explorer-panel { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(1.25rem, 3vw, 2.5rem); align-items: start; }
.ex-stage { background: #fff; border: 1px solid var(--line-2); padding: 8px; }
.ex-canvas { position: relative; overflow: hidden; }
.scene { display: block; width: 100%; height: auto; }
.scene [data-hs] { transition: opacity .3s; }
.ex-canvas.has-active .scene [data-hs]:not(.on) { opacity: .4; }
.scene .flow { animation: flow 1.2s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -22; } }
.scene .ping { transform-box: fill-box; transform-origin: center; animation: ping 2.2s ease-out infinite; }
.scene .ping-2 { animation-delay: 1.1s; }
@keyframes ping { from { transform: scale(.6); opacity: .9; } to { transform: scale(2.4); opacity: 0; } }
.hs {
  position: absolute; z-index: 2; width: 28px; height: 28px; margin: -14px 0 0 -14px; border-radius: 50%;
  display: grid; place-items: center; background: var(--red); color: #fff; font: 700 .9rem/1 var(--f-head);
  border: 2px solid #fff; transition: transform .2s var(--ease), background .2s;
}
.hs:hover, .hs.on { transform: scale(1.15); }
.hs.on { background: var(--ink); }
.ex-side h3 { font-size: 1.6rem; margin-bottom: .4rem; }
.ex-side > p { color: var(--muted); }
.hs-list { margin-top: 1.25rem; border-top: 2px solid var(--ink); }
.hs-item { border-bottom: 1px solid var(--line-2); }
.hs-btn { width: 100%; display: flex; align-items: center; gap: .8rem; padding: .8rem 0; text-align: start; font-weight: 600; color: var(--ink); }
.hs-n { width: 1.6rem; flex-shrink: 0; font: 600 1.1rem/1 var(--f-head); color: var(--muted); }
.hs-item.on .hs-n { color: var(--red-d); }
.hs-t { flex: 1; font-size: 1.05rem; }
.hs-plus { color: var(--muted); transition: transform .3s var(--ease); }
.hs-item.on .hs-plus { transform: rotate(45deg); color: var(--red); }
.hs-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s var(--ease); }
.hs-body > div { overflow: hidden; min-height: 0; }
.hs-item.on .hs-body { grid-template-rows: 1fr; }
.hs-body p { margin: 0; padding: 0 0 .5rem 2.4rem; color: var(--text); }
.hs-body a { display: inline-flex; align-items: center; gap: .35rem; margin: 0 0 1rem 2.4rem; font-weight: 600; color: var(--ink); border-bottom: 1.5px solid currentColor; }
.hs-body a:hover { color: var(--red); }

/* çalışma şekli */

/* proje listesi (satır düzeni, fotoğraflı) */
.plist { border-top: 2px solid #fff; }
.prow { display: grid; grid-template-columns: 16rem minmax(0, 1fr) 10rem; gap: 1rem 2.5rem; align-items: start; padding: 1.75rem 0; border-bottom: 1px solid var(--dark-line); }
.pr-media { aspect-ratio: 4 / 3; overflow: hidden; background: var(--dark-2); }
.pr-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.prow:hover .pr-media img { transform: scale(1.03); }
.pr-media.none { display: grid; place-items: center; color: rgba(255, 255, 255, .28); border: 1px solid var(--dark-line); background: transparent; }
.pr-media.none .ico { width: 46px; height: 46px; stroke-width: 1.1; }
.pr-metric { display: flex; flex-wrap: wrap; align-items: baseline; gap: .15rem .55rem; margin: 0 0 .55rem; }
.pr-metric strong { font: 600 clamp(2rem, 2.8vw, 2.5rem)/1 var(--f-head); color: #fff; font-variant-numeric: tabular-nums; }
.pr-metric span { font-size: .98rem; color: var(--on-dark-2); }
.prow h3 { color: #fff; font-size: 1.45rem; margin-bottom: .25rem; }
.pr-meta { font-weight: 500; color: var(--on-dark); margin-bottom: .6rem; }
.pr-sum { color: var(--on-dark-2); margin: 0; max-width: 46rem; }
.pr-sector { margin: 0; font-size: .92rem; color: var(--on-dark-2); text-align: end; }
.pr-sols { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: .1rem 1rem; margin: .75rem 0 0; font-size: .98rem; }
.pr-sols > span:first-child { font-weight: 600; color: var(--ink); }
.pr-sols a { color: var(--brand-2); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-2); }
.pr-sols a:hover { color: var(--red); text-decoration-color: currentColor; }

.plist.light { border-top-color: var(--ink); }
.plist.light .prow { border-bottom-color: var(--line-2); }
.plist.light .pr-metric strong, .plist.light h3 { color: var(--ink); }
.plist.light .pr-metric span, .plist.light .pr-sector { color: var(--muted); }
.plist.light .pr-meta { color: var(--ink); }
.plist.light .pr-sum { color: var(--text); }
.plist.light .pr-media.none { color: var(--line-2); border-color: var(--line); background: var(--soft); }
.ref-note { display: flex; align-items: center; justify-content: space-between; gap: 1rem 2.5rem; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line-2); }
.ref-note p { margin: 0; max-width: 62ch; color: var(--text); }
.ref-note .btn { flex-shrink: 0; }

/* sahadan — fotoğraf şeridi */
.gallery { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: repeat(2, clamp(12rem, 18vw, 16rem)); gap: .75rem; }
.g-item { position: relative; margin: 0; overflow: hidden; background: var(--dark); }
.g-item:first-child { grid-row: span 2; }
.g-item img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.g-item:hover img { transform: scale(1.03); }
.g-item figcaption { position: absolute; inset-inline-start: 0; bottom: 0; max-width: calc(100% - 1rem); padding: .45rem .8rem .5rem; background: rgba(12, 26, 46, .9); color: #fff; line-height: 1.3; }
.g-item figcaption strong { display: block; font: 600 1.02rem/1.25 var(--f-head); }
.g-item figcaption span { font-size: .85rem; color: var(--on-dark-2); }

/* neden makbim + harita */
.why { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.why-copy .btn { margin-top: 1.75rem; }
.reasons { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 1rem; }
.reasons li { padding-top: 1rem; border-top: 2px solid var(--ink); }
.reasons h3 { font-size: 1.25rem; margin-bottom: .35rem; }
.reasons p { color: var(--text); margin: 0; }
.why-map { position: relative; }
.map-box { position: relative; color: #A9B4C3; }
.tr-map { display: block; width: 100%; height: auto; }
.tr-arcs path { opacity: .45; animation: flow 1.6s linear infinite; }
.pin { position: absolute; z-index: 1; width: 0; height: 0; }
.pin i { position: absolute; left: -8px; top: -8px; width: 16px; height: 16px; border-radius: 2px; background: var(--red); border: 2px solid #fff; }
.pin-lbl { position: absolute; white-space: nowrap; font-size: .88rem; line-height: 1.25; color: var(--muted); text-shadow: 0 0 4px #fff, 0 0 4px #fff, 0 0 2px #fff; }
.pin-lbl strong { display: block; font: 600 1.05rem/1.2 var(--f-head); color: var(--ink); }
.pin.lbl-r .pin-lbl { left: 18px; top: -1.25rem; }
.pin.lbl-t .pin-lbl { left: 50%; bottom: 22px; transform: translateX(-50%); text-align: center; }
/* proje yaptığımız şehirler: küçük lacivert nokta, yalnızca şehir adı */
.pin.project i { left: -6px; top: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--brand); }
.pin.project .pin-lbl strong { font: 500 .85rem/1.2 var(--f-body); color: var(--text); }
.pin.project.lbl-r .pin-lbl { left: 12px; top: -.6rem; }
.pin.lbl-l .pin-lbl { right: 12px; top: -.6rem; text-align: end; }
.pin.lbl-b .pin-lbl { left: 50%; top: 10px; transform: translateX(-50%); text-align: center; }
.map-legend { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem; margin-top: 1rem; font-size: .95rem; color: var(--text); }
.map-legend span { display: inline-flex; align-items: center; gap: .45rem; }
.map-legend i { display: inline-block; width: 12px; height: 12px; }
.map-legend .muted { color: var(--muted); }
.lg-office { background: var(--red); border-radius: 2px; }
.lg-project { background: var(--brand); border-radius: 50%; }

/* ortaklar */
.partners { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
.logos { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line-2); border-inline-start: 1px solid var(--line-2); }
.logos li { border-inline-end: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
.logos a { display: grid; place-items: center; height: 84px; padding: .8rem 1.2rem; background: #fff; }
.logos img { max-height: 36px; width: auto; filter: grayscale(1); opacity: .75; transition: filter .25s, opacity .25s; }
.logos a:hover img { filter: none; opacity: 1; }

/* CTA bandı */
.cta-band { background: var(--dark); color: var(--on-dark); border-top: 4px solid var(--red); }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-block: clamp(3rem, 6vw, 4.25rem); flex-wrap: wrap; }
.cta-copy { max-width: 40rem; }
.cta-copy h2 { color: #fff; margin-bottom: .4rem; }
.cta-copy p { margin: 0; color: var(--on-dark); }
.cta-actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* footer */
.site-footer { background: #08121F; color: #95A1B2; font-size: .98rem; padding: clamp(3.5rem, 6vw, 4.75rem) 0 calc(1.5rem + env(safe-area-inset-bottom, 0px)); }
.foot-grid { display: grid; grid-template-columns: 1.35fr 1fr .9fr 1.3fr; gap: 2.5rem; }
.foot-brand .logo { height: 32px; margin-bottom: 1.2rem; }
.foot-brand p { max-width: 22rem; }
.foot-offices { display: flex; align-items: center; gap: .4rem; color: var(--on-dark); }
.site-footer h3 { font: 600 1.1rem/1 var(--f-head); color: #fff; margin: .4rem 0 1.1rem; }
.site-footer ul { display: grid; gap: .5rem; }
.site-footer a:hover { color: #fff; }
.foot-contact li { display: flex; gap: .6rem; align-items: flex-start; }
.foot-contact .ico { margin-top: .2rem; color: #5E6E84; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-top: 3.25rem; padding-top: 1.4rem; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .9rem; }
.foot-bottom p { margin: 0; }
.foot-bottom nav { display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; }

/* --------------------------------------------------------------- iç sayfa hero */
.page-hero { position: relative; overflow: hidden; background: var(--dark); color: var(--on-dark); padding: calc(var(--header-h) + clamp(2.25rem, 5vw, 3.5rem)) 0 clamp(2.75rem, 5.5vw, 4rem); }
.page-hero.compact { padding-bottom: 2.5rem; }
.page-hero.compact h1 { font-size: clamp(2rem, 3.4vw, 2.8rem); margin: 0; }
.page-hero > .wrap { position: relative; z-index: 1; }
.page-hero-in.has-aside { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr); gap: 3rem; align-items: start; }
.page-hero h1 { color: #fff; font-size: clamp(2.3rem, 4.4vw, 3.7rem); max-width: 20ch; }
.page-hero .has-aside h1 { max-width: none; }
.page-hero .lead { margin-bottom: 0; }
.crumbs { margin-bottom: 1.75rem; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: .3rem; font-size: .92rem; color: var(--on-dark-2); }
.crumbs li:not(:last-child)::after { content: "/"; margin-inline-start: .45rem; opacity: .6; }
.crumbs a:hover { color: #fff; }
.crumbs [aria-current] { color: var(--on-dark); }

.spec { border-top: 3px solid var(--red); background: var(--dark-2); padding: 1.1rem 1.25rem 1.25rem; }
.spec-h { font: 600 1.1rem/1.2 var(--f-head); color: #fff; margin: 0 0 .6rem; }
.spec dl { margin: 0; }
.spec dl div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .55rem 0; border-top: 1px solid var(--dark-line); }
.spec dt { color: var(--on-dark-2); font-size: .95rem; }
.spec dd { margin: 0; color: #fff; font-weight: 600; text-align: end; }
.spec dd a:hover { color: #FF8B7F; }
.spec dd small { font-weight: 400; color: var(--on-dark-2); font-size: .9rem; }
.spec dd.num { font: 600 1.35rem/1 var(--f-head); font-variant-numeric: tabular-nums; }
.spec-cta { display: inline-flex; align-items: center; gap: .4rem; margin-top: 1rem; font-weight: 600; color: #fff; border-bottom: 1.5px solid currentColor; }
.spec-cta:hover { color: #FF8B7F; }
.spec-refs { margin-top: .9rem; }
.spec-refs > p { margin: 0 0 .35rem; font-size: .95rem; color: var(--on-dark-2); }
.spec-refs li { display: flex; justify-content: space-between; gap: 1rem; padding: .5rem 0; border-top: 1px solid var(--dark-line); font-size: .98rem; }
.spec-refs a { color: #fff; font-weight: 600; }
.spec-refs a:hover { color: #FF8B7F; }
.spec-refs span { color: var(--on-dark-2); text-align: end; font-size: .9rem; flex-shrink: 0; max-width: 45%; }
.page-hero .eyebrow a:hover { color: #fff; text-decoration: underline; }
.spec-list { counter-reset: sl; }
.spec-list li { counter-increment: sl; border-top: 1px solid var(--dark-line); }
.spec-list a { display: flex; gap: .7rem; padding: .45rem 0; color: var(--on-dark); font-size: .98rem; }
.spec-list a::before { content: counter(sl, decimal-leading-zero); font: 600 .95rem/1.5 var(--f-head); color: var(--on-dark-2); }
.spec-list a:hover { color: #fff; }

.kv-row { display: flex; flex-wrap: wrap; gap: 1rem 3rem; margin-top: 2.25rem; }
.kv { display: grid; gap: .15rem; }
.kv strong { font: 600 clamp(1.8rem, 2.6vw, 2.3rem)/1 var(--f-head); color: var(--ink); font-variant-numeric: tabular-nums; }
.kv span { font-size: .95rem; color: var(--muted); }
.kv-row.on-dark { padding-top: 1.5rem; border-top: 1px solid var(--dark-line); }
.kv-row.on-dark strong { color: #fff; }
.kv-row.on-dark span { color: var(--on-dark-2); }

.jump { display: flex; flex-wrap: wrap; gap: .25rem 1.75rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--dark-line); }
.jump a { display: inline-flex; align-items: baseline; gap: .45rem; font-weight: 600; color: #fff; padding: .2rem 0; border-bottom: 1.5px solid transparent; }
.jump a span { font: 600 .95rem/1 var(--f-head); color: var(--red); }
.jump a:hover { border-bottom-color: #fff; }


.subnav { position: sticky; top: var(--header-h); z-index: 40; background: #fff; border-bottom: 1px solid var(--line-2); }
.subnav .wrap { display: flex; gap: 1.75rem; overflow-x: auto; scrollbar-width: none; }
.subnav .wrap::-webkit-scrollbar { display: none; }
.subnav a { flex-shrink: 0; padding: 1rem 0 .9rem; font-weight: 500; color: var(--muted); border-bottom: 3px solid transparent; }
.subnav a:hover { color: var(--ink); }
.subnav a[aria-current] { color: var(--ink); border-color: var(--red); font-weight: 600; }

/* --------------------------------------------------------------- çözüm listeleri */
.igrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; border-top: 2px solid var(--ink); }
.irow { display: grid; grid-template-columns: 2rem minmax(0, 1fr) 1.25rem; gap: 1rem; align-items: start; padding: 1.2rem 0 1.3rem; border-bottom: 1px solid var(--line-2); }
.ir-ico { color: var(--brand); padding-top: .15rem; }
.ir-ico .ico { width: 24px; height: 24px; }
.ir-txt strong { display: block; font: 600 1.25rem/1.2 var(--f-head); color: var(--ink); margin-bottom: .25rem; transition: color .15s; }
.ir-txt span { display: block; color: var(--muted); font-size: 1rem; }
.ir-go { color: var(--line-2); margin-top: .25rem; transition: transform .2s var(--ease), color .2s; }
.irow:hover strong { color: var(--red); }
.irow:hover .ir-go { color: var(--red); transform: translateX(3px); }

.cat-block { padding-bottom: clamp(3rem, 6vw, 4.5rem); margin-bottom: clamp(3rem, 6vw, 4rem); }
.cat-block:last-child { margin-bottom: 0; padding-bottom: 0; }
.cat-block-head { display: grid; grid-template-columns: 4rem minmax(0, 1fr) auto; gap: 1.5rem; align-items: start; margin-bottom: 1.75rem; }
.cb-n { font: 600 2.4rem/1 var(--f-head); color: var(--red); }
.cat-block-head h2 { font-size: clamp(1.7rem, 2.7vw, 2.3rem); margin-bottom: .5rem; }
.cat-block-head p:not(.eyebrow) { color: var(--muted); max-width: 46rem; margin: 0; }
.cat-block-head .eyebrow { margin-bottom: .4rem; color: var(--muted); font-weight: 500; }
.cat-block-head .eyebrow::before { display: none; }
.cat-block-head .tlink { margin-top: .5rem; }

.other-cats { margin-top: clamp(3rem, 6vw, 4.5rem); }
.other-cats > div { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 0 2rem; border-top: 2px solid var(--ink); }
.other-cat { display: flex; align-items: center; gap: .75rem; padding: .9rem 0; border-bottom: 1px solid var(--line-2); font: 600 1.15rem/1.25 var(--f-head); color: var(--ink); }
.other-cat .ico { margin-inline-start: auto; color: var(--line-2); transition: transform .2s var(--ease), color .2s; }
.other-cat:hover { color: var(--red); }
.other-cat:hover .ico { transform: translateX(3px); color: var(--red); }

.rel-projects { margin-top: clamp(3rem, 6vw, 4.5rem); }
.rel-projects .sec-head { margin-bottom: 1.25rem; align-items: baseline; }
.rel-projects .sec-head h2 { font-size: clamp(1.6rem, 2.4vw, 2rem); }
.rel-projects .tlink { justify-self: end; }
.detail .prow { grid-template-columns: 11rem minmax(0, 1fr); gap: 1rem 1.75rem; }
.detail .pr-sector { display: none; }

/* --------------------------------------------------------------- çözüm detayı */
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.prose { font-size: 1.08rem; }
.prose p { color: var(--text); }
.prose h2 { font-size: clamp(1.6rem, 2.4vw, 2rem); margin-top: 2.75rem; }
.prose h3 { margin-top: 1.75rem; }
.lead-dark { font-size: clamp(1.22rem, 1.7vw, 1.4rem); line-height: 1.5; color: var(--ink); font-weight: 500; margin-bottom: 1.25rem; }
.callout { display: flex; gap: 1rem; margin: 2rem 0; padding: 1.3rem 1.5rem; background: var(--soft); border-inline-start: 3px solid var(--red); }
.callout > .ico { display: none; }
.callout h3 { margin: 0 0 .35rem; font-size: 1.25rem; }
.callout p { margin: 0; }
.feats { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; margin: 1rem 0; border-top: 2px solid var(--ink); }
.feats li { display: flex; gap: .7rem; align-items: flex-start; padding: .7rem 0; border-bottom: 1px solid var(--line-2); color: var(--ink); line-height: 1.45; }
.feats .ico { width: 18px; height: 18px; color: var(--red); stroke-width: 2.4; margin-top: .15rem; }
.tag-group { margin-top: 2.25rem; }
.tag-group h3 { font-size: 1.3rem; margin: 0 0 .75rem; }
.tags { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 230px), 1fr)); gap: 0 2rem; border-top: 1px solid var(--ink); }
.tags li { padding: .5rem 0; border-bottom: 1px solid var(--line); font-size: 1rem; color: var(--text); line-height: 1.4; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3.5rem; border-top: 2px solid var(--ink); }
.pager a { display: grid; gap: .15rem; padding: 1rem 0; }
.pager span { font-size: .92rem; color: var(--muted); }
.pager strong { font: 600 1.25rem/1.25 var(--f-head); color: var(--ink); }
.pager a:hover strong { color: var(--red); }
.pager .next { text-align: end; }

.detail-side { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 1.25rem; }
.side-card { border-top: 2px solid var(--ink); padding: .9rem 0 0; background: #fff; }
.side-title { font: 600 1.15rem/1.3 var(--f-head); color: var(--ink); margin: 0 0 .4rem; }
.side-title a:hover { color: var(--red); }
.side-nav li { border-bottom: 1px solid var(--line); }
.side-nav a { display: flex; gap: .6rem; align-items: center; padding: .55rem 0; font-size: 1rem; color: var(--text); line-height: 1.3; }
.side-nav a .ico { color: var(--muted); width: 18px; height: 18px; }
.side-nav a:hover { color: var(--red); }
.side-nav a[aria-current] { color: var(--ink); font-weight: 600; box-shadow: inset 3px 0 0 var(--red); padding-inline-start: .7rem; }
.side-nav a[aria-current] .ico { color: var(--red); }
.cta-card { background: var(--dark); border-top: 3px solid var(--red); color: var(--on-dark); padding: 1.25rem 1.3rem 1.4rem; }
.cta-card h3 { color: #fff; font-size: 1.35rem; margin-bottom: .4rem; }
.cta-card p { font-size: 1rem; color: var(--on-dark); }
.cta-card .btn { width: 100%; }
.side-phone { display: flex; justify-content: center; gap: .45rem; align-items: center; margin-top: .9rem; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------- projeler sayfası */
.filters { display: flex; flex-wrap: wrap; gap: .25rem 2rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--line-2); }
.fchip { display: inline-flex; align-items: baseline; gap: .4rem; padding: .7rem 0; margin-bottom: -1px; border-bottom: 3px solid transparent; font-weight: 600; font-size: 1.02rem; color: var(--muted); transition: color .2s, border-color .2s; }
.fchip span { font-weight: 500; font-size: .9rem; color: var(--muted); }
.fchip:hover { color: var(--ink); }
.fchip[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--red); }
.note { margin-top: 2.5rem; font-size: .95rem; color: var(--muted); }
.note a { color: var(--ink); text-decoration: underline; }

/* --------------------------------------------------------------- kurumsal */
.about-copy h2 { margin-bottom: 1.25rem; }
.about-copy .btn { margin-top: .75rem; }
.mv { display: grid; gap: 1.25rem; }
.mv.wide { grid-template-columns: 1fr 1fr; }
.mv-card { padding: 1.5rem 0 0; border-top: 2px solid var(--ink); }
.mv-card h3, .mv-card h2 { font-size: 1.5rem; }
.mv-card p { margin: 0; color: var(--text); font-size: 1.08rem; }
.mv-card.dark { background: var(--dark); border-top: 3px solid var(--red); padding: 1.5rem 1.6rem 1.7rem; }
.mv-card.dark h3, .mv-card.dark h2 { color: #fff; }
.mv-card.dark p { color: var(--on-dark); }


.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.people { margin-top: 1.25rem; border-top: 2px solid var(--ink); }
.people li { display: flex; gap: 1rem; align-items: flex-start; padding: 1.1rem 0; border-bottom: 1px solid var(--line-2); }
.people h3 { font-size: 1.25rem; margin: 0 0 .1rem; }
.people .role { font-size: .98rem; font-weight: 600; color: var(--red); margin: 0 0 .2rem; }
.people p:last-child { font-size: .95rem; color: var(--muted); margin: 0; }
.biz-areas { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
.ba { padding-top: 1rem; border-top: 2px solid var(--ink); }
.ba h3 { font-size: 1.35rem; margin-bottom: .6rem; }
.ba li { padding: .42rem 0; border-bottom: 1px solid var(--line-2); font-size: 1rem; }
.values { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 2rem 2.5rem; }
.val { padding-top: 1rem; border-top: 2px solid var(--ink); }
.val-n { display: block; font: 600 1.1rem/1 var(--f-head); color: var(--red); margin-bottom: .6rem; }
.val h3 { font-size: 1.3rem; margin-bottom: .4rem; }
.val p { color: var(--text); margin: 0; }


.swatches { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.swatch { height: 170px; background: var(--c); color: #fff; padding: 1.1rem; display: flex; flex-direction: column; justify-content: flex-end; }
.swatch span { font: 600 1.2rem/1.3 var(--f-head); }
.swatch code { font-size: .95rem; opacity: .85; }
.logo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 3rem; }
.logo-tile { margin: 0; border: 1px solid var(--line-2); }
.lt-img { display: grid; place-items: center; padding: clamp(2rem, 6vw, 4rem); background: var(--soft); }
.lt-img .logo { width: min(320px, 80%); height: auto; }
.lt-img .logo .lg-n { fill: var(--brand); }
.lt-img .logo .lg-r { fill: var(--red); }
.logo-tile.dark .lt-img { background: var(--dark); }
.logo-tile.dark .lt-img .logo .lg-n, .logo-tile.dark .lt-img .logo .lg-r { fill: #fff; }
.logo-tile figcaption { display: flex; justify-content: space-between; align-items: center; padding: .9rem 1.1rem; font-weight: 600; color: var(--ink); border-top: 1px solid var(--line-2); }
.logo-tile figcaption a { display: inline-flex; gap: .4rem; align-items: center; color: var(--ink); border-bottom: 1.5px solid currentColor; }
.logo-tile figcaption a:hover { color: var(--red); }


/* yasal metinler */
.legal h2 { font-size: 1.6rem; }
.legal h3 { font-size: 1.3rem; margin-top: 2rem; }
.legal ul, .legal ol { margin: 0 0 1.2em 1.2em; list-style: disc; }
.legal ol { list-style: decimal; }
.legal li { margin-bottom: .4em; }
.legal table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .95rem; display: block; overflow-x: auto; }
.legal th, .legal td { border: 1px solid var(--line-2); padding: .6rem .75rem; text-align: start; vertical-align: top; }
.legal th { background: var(--soft); color: var(--ink); }
.legal a { color: var(--ink); text-decoration: underline; }

/* --------------------------------------------------------------- iletişim */
.quick { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--dark-line); }
.quick a { display: flex; align-items: center; gap: .7rem; color: #fff; font-weight: 600; font-size: 1.1rem; font-variant-numeric: tabular-nums; }
.quick a:hover span { text-decoration: underline; }
.quick .ico { width: 22px; height: 22px; color: var(--red); }
.quick small { display: block; font-size: .88rem; font-weight: 500; color: var(--on-dark-2); }
.contact { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.cform { border-top: 3px solid var(--ink); padding-top: 1.5rem; }
.cform h2 { font-size: 2rem; margin-bottom: .2rem; }
.cform > .muted { margin-bottom: 1.75rem; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.5rem; }
.field { display: grid; gap: .35rem; }
.field.full, .check.full { grid-column: 1 / -1; }
.field > span { font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  width: 100%; font: 400 1.05rem/1.4 var(--f-body); color: var(--ink); background: #fff;
  padding: .75rem .9rem; border: 1px solid var(--line-2); border-bottom: 2px solid var(--ink); border-radius: 0; transition: border-color .2s;
}
.field textarea { resize: vertical; min-height: 150px; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23111A28' stroke-width='1.8'%3E%3Cpath d='m1 1.5 5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); border-bottom-color: var(--red); }
.err { display: none; font-style: normal; font-size: .9rem; color: var(--red); }
.invalid .err { display: block; }
.invalid input, .invalid textarea { border-bottom-color: var(--red); }
.hp { position: absolute; inset-inline-start: -9999px; width: 1px; height: 1px; overflow: hidden; }
.check { display: flex; gap: .7rem; align-items: flex-start; font-size: .98rem; color: var(--text); flex-wrap: wrap; }
.check input { width: 19px; height: 19px; margin: .2rem 0 0; accent-color: var(--red); flex-shrink: 0; }
.check span { flex: 1; min-width: 0; }
.check a { color: var(--ink); text-decoration: underline; }
.check .err { width: 100%; padding-inline-start: 1.9rem; }
.form-foot { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; margin-top: 1.75rem; }
.form-status { margin: 0; font-weight: 500; }
.form-status.ok { color: var(--ok); }
.form-status.bad { color: var(--red); }
/* JavaScript kapalıyken form işleyicisi sayfaya #durum-… ile döner; ilgili ileti :target ile görünür */
.form-msg { display: none; margin: 0 0 1.2rem; padding: .8rem 1rem; border-inline-start: 3px solid currentColor; background: var(--soft); font-weight: 500; }
.form-msg:target { display: block; }
.form-msg.ok { color: var(--ok); }
.form-msg.bad { color: var(--red-d); }
.btn[disabled] { opacity: .6; pointer-events: none; }
.contact-side { display: grid; gap: 1.5rem; }
.contact-side h3 { display: flex; align-items: center; gap: .5rem; font-size: 1.3rem; }
.hours li { display: flex; justify-content: space-between; padding: .55rem 0; border-bottom: 1px solid var(--line); }
.hours strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.contact-side .muted { font-size: .95rem; margin: .8rem 0 0; }
.side-card.dark { background: var(--dark); border-top: 3px solid var(--red); color: var(--on-dark); padding: 1.25rem 1.3rem 1.4rem; }
.side-card.dark h3 { color: #fff; }
.side-card.dark p { margin: 0 0 1rem; color: var(--on-dark); }
.hq ul { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: .4rem 1rem; color: #fff; font-variant-numeric: tabular-nums; }
.hq li { display: contents; }
.hq li > span:first-child { color: var(--on-dark-2); }
.hq a { color: #fff; }
.hq .map-link { color: #fff; display: inline-flex; margin-top: 1rem; border-bottom: 1.5px solid currentColor; }
.offices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 3rem; max-width: 900px; }
.office { display: flex; flex-direction: column; gap: .6rem; padding-top: 1rem; border-top: 2px solid var(--ink); }
.office-head { display: flex; align-items: baseline; justify-content: space-between; gap: .5rem; margin-bottom: .2rem; }
.office h3 { font-size: 1.6rem; margin: 0; }
.office .chip { border: 0; padding: 0; color: var(--red); }
.office p { display: flex; gap: .6rem; align-items: flex-start; margin: 0; }
.office p .ico { color: var(--muted); margin-top: .25rem; }
.office a:hover { color: var(--red); }
.map-link { margin-top: auto; padding-top: .5rem; align-self: flex-start; display: inline-flex; align-items: center; gap: .35rem; font-weight: 600; color: var(--ink); border-bottom: 1.5px solid currentColor; }
.map-link:hover { color: var(--red); }

/* --------------------------------------------------------------- görünme animasyonu */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity .6s var(--ease), transform .6s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- dil seçici */
.lang { position: relative; }
.lang-btn { display: inline-flex; align-items: center; gap: .35rem; padding: .5rem .15rem; font: 600 .95rem/1 var(--f-body); color: inherit; opacity: .9; }
.lang-btn:hover, .lang.open .lang-btn { opacity: 1; }
.lang-btn .ico { width: 18px; height: 18px; }
.lang-btn .chev { width: 13px; height: 13px; }
.lang.open .lang-btn .chev { transform: rotate(180deg); }
.lang-drop { inset-inline-start: auto; inset-inline-end: 0; min-width: 170px; }
.lang-drop a[aria-current] { color: var(--ink); font-weight: 600; box-shadow: inset 3px 0 0 var(--red); }
.mnav-langs { display: flex; margin: 1rem 0 .25rem; border: 1px solid var(--line-2); }
.mnav-langs li { flex: 1; }
.mnav-langs li + li a { border-inline-start: 1px solid var(--line-2); }
.mnav-langs a { display: block; padding: .65rem .25rem; text-align: center; font-weight: 600; color: var(--muted); }
.mnav-langs a[aria-current] { background: var(--ink); color: #fff; }
.foot-langs a[aria-current] { color: #fff; }
.legal-note { margin: 0 0 1.5rem; padding: .75rem 1rem; background: var(--soft); border-inline-start: 3px solid var(--red); font-size: .95rem; color: var(--muted); }

/* --------------------------------------------------------------- sağdan sola (Arapça) */
/* Çizimler ve haritalar coğrafi/teknik olduğu için aynalanmaz; yalnızca metin akışı döner. */
.hx-svg, .scene, .tr-map, .ex-canvas, .map-box { direction: ltr; }
[dir="rtl"] .hx-panel, [dir="rtl"] .pin-lbl, [dir="rtl"] .hs { direction: rtl; }
[dir="rtl"] .eyebrow::before { border-left: 0; border-right: 8px solid var(--red); }
[dir="rtl"] .tlink:hover .ico, [dir="rtl"] .btn:hover .ico:last-child, [dir="rtl"] .irow:hover .ir-go,
[dir="rtl"] .other-cat:hover .ico { transform: translateX(-3px); }
[dir="rtl"] .hx-bar i { transform-origin: right; }
[dir="rtl"] .side-nav a[aria-current], [dir="rtl"] .lang-drop a[aria-current] { box-shadow: inset -3px 0 0 var(--red); }
[dir="rtl"] .field select { background-position: left 1rem center; padding-right: 1rem; padding-left: 2.5rem; }

/* dil yazı tipleri: Barlow'da Arapça ve Kiril harfleri yok; sistem yazı tiplerine düşülür */
:root[lang="ar"] {
  --f-head: "Segoe UI", "Geeza Pro", "Noto Sans Arabic", "Noto Kufi Arabic", Tahoma, sans-serif;
  --f-body: "Segoe UI", "Geeza Pro", "Noto Sans Arabic", Tahoma, sans-serif;
}
:root[lang="ar"] body { line-height: 1.75; }
:root[lang="ar"] * { letter-spacing: 0 !important; }
:root[lang="ru"] {
  --f-head: "Barlow Semi Condensed", "Roboto Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Barlow", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
}

/* --------------------------------------------------------------- duyarlı */
@media (max-width: 1180px) {
  .mega-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1080px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: block; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .detail { grid-template-columns: 1fr; }
  .detail-side { position: static; grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 960px) {
  .hero { min-height: 0; }
  .hero-in { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .hx { width: 100%; margin-inline-start: 0; }
  .hx-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .hx-d { display: none; }
  .area { grid-template-columns: 3rem minmax(0, 1fr); }
  .area-items { grid-column: 2; }
  .explorer-panel { grid-template-columns: 1fr; }
  .prow { grid-template-columns: 13rem minmax(0, 1fr); }
  .pr-sector { display: none; }
  .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: none; }
  .g-item { aspect-ratio: 4 / 3; }
  .g-item:first-child { grid-row: auto; grid-column: 1 / -1; aspect-ratio: 16 / 9; }
  .biz-areas { grid-template-columns: 1fr 1fr; }
  .why, .two-col, .partners, .contact { grid-template-columns: 1fr; }
  .reasons { grid-template-columns: 1fr 1fr; }
  .logos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sec-head.split { grid-template-columns: 1fr; }
  .rel-projects .tlink { justify-self: start; }
  .page-hero-in.has-aside { grid-template-columns: 1fr; }
  .igrid { grid-template-columns: 1fr; }
  .offices { grid-template-columns: 1fr 1fr; }
  .mv.wide { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .brand .logo { height: 29px; }
  .trust-in { flex-direction: column; gap: .6rem; }
  .hx-panel { width: auto; right: 4%; padding: .5rem .7rem; font-size: .82rem; }
  .hx-layers { display: none; }
  .hx-foot { margin-top: .2rem; padding-top: 0; border-top: 0; }
  .hx-risk strong { font-size: 1.5rem; }
  .hx-steps { grid-template-columns: 1fr; margin-top: 1.5rem; }
  li + li > .hx-step { padding-inline-start: 0; border-inline-start: 0; border-top: 1px solid var(--dark-line); }
  li + li > .hx-step .hx-bar { inset-inline-start: 0; }
  .hx-step { grid-template-columns: 2rem 1fr; align-items: baseline; gap: .2rem .5rem; padding: .75rem 0 .8rem; }
  .hx-step .hx-d { grid-column: 2; }
  .hx-step[aria-current] .hx-d { display: block; }
  .area { grid-template-columns: 1fr; gap: .5rem; }
  .area-items { grid-column: 1; grid-template-columns: 1fr; }
  .reasons, .feats, .fgrid, .offices, .swatches, .logo-grid { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prow, .detail .prow { grid-template-columns: 1fr; gap: .9rem; }
  .pr-media { aspect-ratio: 16 / 9; }
  .gallery { grid-template-columns: 1fr; }
  .biz-areas { grid-template-columns: 1fr; }
  .pr-sols { grid-template-columns: 1fr; }
  .ref-note { flex-direction: column; align-items: flex-start; }
  .cat-block-head { grid-template-columns: 1fr; gap: .5rem; }
  .detail-side { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .pager { grid-template-columns: 1fr; gap: 0; }
  .pager .next { text-align: start; border-top: 1px solid var(--line); }
  .ex-tabs { justify-self: stretch; gap: 1.25rem; }
  .hs { width: 24px; height: 24px; margin: -12px 0 0 -12px; font-size: .8rem; }
  .pin-lbl { font-size: .75rem; }
  .pin-lbl strong { font-size: .88rem; }
  .pin.project .pin-lbl { display: none; }  /* dar ekranda şehir adları çakışır; açıklama altta */
  .cta-actions, .cta-actions .btn, .hero-actions .btn { width: 100%; }
  .kv-row { gap: 1rem 2rem; }
  .spec dl div { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .mnav, .cta-band, .site-footer, .hero-visual { display: none !important; }
  .hero, .page-hero { background: #fff !important; color: #000; padding-top: 1rem; }
  .hero h1, .page-hero h1 { color: #000; }
}