/* ==========================================================
   Çözüm Elektronik — "Devre Dili"
   Logodaki hat + düğüm ve izometrik yüzeyler tüm arayüzün dilidir.
   ========================================================== */

:root {
  --navy: #061D49;
  --navy-2: #0B2A62;
  --navy-3: #12377A;
  --blue: #087BFF;
  --cyan: #18A3FF;
  --deep: #0054D6;
  --white: #FFFFFF;

  --bg: #F3F7FD;
  --surface: #FFFFFF;
  --ink: #061D49;
  --muted: #4B5D7E;
  --line: #DCE6F5;
  --line-2: #C6D6EF;
  --tint: #E8F1FE;

  --r-sm: 12px;
  --r: 20px;
  --r-lg: 28px;
  --shadow: 0 1px 2px rgba(6, 29, 73, .06), 0 8px 24px -12px rgba(6, 29, 73, .18);
  --shadow-lg: 0 2px 4px rgba(6, 29, 73, .05), 0 24px 48px -20px rgba(6, 29, 73, .28);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --node: var(--cyan);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.1; letter-spacing: -.025em; font-weight: 800; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 8px; }

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

.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip:focus { top: 12px; }

/* ---------- Hat + düğüm (imza öğesi) ---------- */
.tn { display: inline-flex; align-items: center; }
.tn::before { content: ""; width: 14px; height: 3px; border-radius: 3px; background: currentColor; transition: width .3s var(--ease); }
.tn::after { content: ""; width: 9px; height: 9px; border-radius: 50%; background: currentColor; margin-left: -1px; }

.tag { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.tag i { position: relative; width: 26px; height: 2px; background: currentColor; border-radius: 2px; }
.tag i::after { content: ""; position: absolute; right: -4px; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px rgba(24, 163, 255, .18); }
.tag-dark { color: var(--cyan); }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px; border-radius: 999px; border: 0;
  font-weight: 700; font-size: 16px; cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s;
}
.btn:hover .tn::before { width: 24px; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px -10px rgba(8, 123, 255, .8), inset 0 1px 0 rgba(255,255,255,.18); }
.btn-primary:hover { background: #0A6FEA; box-shadow: 0 14px 30px -10px rgba(8, 123, 255, .9); }
.btn-primary:disabled { background: #A9BEDD; box-shadow: none; cursor: not-allowed; }
.btn-ghost { background: var(--surface); color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line-2); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue); color: var(--blue); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-3); }
.btn-line { background: transparent; color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.28); }
.btn-line:hover { box-shadow: inset 0 0 0 1.5px var(--cyan); }
.btn-onDark { background: rgba(255,255,255,.08); color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.25); }
.btn-onDark:hover { background: rgba(255,255,255,.14); }
.btn-sm { min-height: 42px; padding: 0 18px; font-size: 14px; gap: 8px; }
.btn-sm .ic { width: 18px; height: 18px; }
.btn-lg { min-height: 60px; padding: 0 30px; font-size: 17px; }
.btn-block { width: 100%; }

/* ---------- Üst bar ---------- */
.top { position: sticky; top: 0; z-index: 50; transition: background .3s, box-shadow .3s; }
.top.scrolled { background: rgba(243, 247, 253, .86); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); box-shadow: 0 1px 0 var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 32px; height: 43px; }
.brand-word { display: flex; flex-direction: column; line-height: 1; }
.brand-word b { font-size: 21px; font-weight: 800; letter-spacing: -.03em; color: var(--navy); }
.brand-word i { font-style: normal; font-size: 8.5px; font-weight: 600; letter-spacing: .42em; color: var(--blue); margin-top: 5px; }
.brand-dark .brand-word b { color: #fff; }
.brand-dark .brand-word i { color: var(--cyan); }
.nav { display: flex; gap: 6px; margin-left: auto; }
.nav a { padding: 8px 14px; border-radius: 999px; font-weight: 600; font-size: 15px; color: var(--muted); transition: color .2s, background .2s; }
.nav a:hover { color: var(--navy); background: var(--tint); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 32px 0 88px; isolation: isolate; }
.hero::before {
  /* devre kartı nokta ızgarası */
  content: ""; position: absolute; inset: -76px 0 0; z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, rgba(6, 29, 73, .11) 1px, transparent 0);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 30%, transparent 75%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1.08fr; gap: 40px; align-items: center; }
.hero-grid > *, .req > *, .regions-grid > *, .faq-grid > * { min-width: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px; border-radius: 999px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); font-size: 14px; font-weight: 600; color: var(--muted); }
.pulse { position: relative; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); }
.pulse::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--cyan); animation: ping 2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(3); opacity: 0; } }

.hero h1 { font-size: clamp(42px, 6.2vw, 76px); margin: 22px 0 22px; letter-spacing: -.04em; }
.hl { position: relative; color: var(--blue); white-space: nowrap; }
.hl::before, .hl::after { content: ""; position: absolute; bottom: -.04em; border-radius: 99px; background: var(--cyan); }
.hl::before { left: .04em; right: .3em; height: .075em; margin-bottom: .0375em; background: linear-gradient(90deg, var(--deep), var(--cyan)); }
.hl::after { right: .1em; width: .15em; height: .15em; }
.lead { font-size: 19px; color: var(--muted); max-width: 33em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-points { list-style: none; padding: 0; margin: 36px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.hero-points li { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--muted); }
.hero-points .ic { width: 18px; height: 18px; color: var(--blue); }

.hero-visual { position: relative; }
.hv-glow { position: absolute; inset: 10% 6% 18%; z-index: -1; border-radius: 50%; background: radial-gradient(closest-side, rgba(24, 163, 255, .28), transparent); filter: blur(10px); }
#house { width: 100%; height: auto; overflow: visible; }

/* İzometrik ev parçaları */
.h-slab-t { fill: #E1ECFC; }
.h-slab-l { fill: #C7D8F3; }
.h-slab-r { fill: #B4C9EC; }
.h-wall-l { fill: #FFFFFF; }
.h-wall-r { fill: #E7EFFB; }
.h-roof-f { fill: url(#roofF); }
.h-roof-b { fill: #0E3274; }
.h-roof-edge { fill: none; stroke: #18A3FF; stroke-width: 1.5; stroke-linecap: round; opacity: .55; }
.h-win { fill: #D4E6FF; stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; }
.h-win-glow { fill: url(#winGlow); stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; }
.h-tv { fill: #061D49; stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; }
.h-tv-screen { fill: url(#tvScreen); }
.h-mullion { stroke: var(--navy); stroke-width: 1.6; }
.h-door { fill: var(--deep); stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; }
.h-panel { fill: var(--navy); }
.h-chim-l { fill: #F6F9FF; }
.h-chim-r { fill: #D6E3F6; }
.h-chim-t { fill: #0E3274; }
.h-trace { fill: none; stroke: #9DBBEA; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.h-trace-pulse { fill: none; stroke: var(--cyan); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 18 260; animation: flow 3.4s linear infinite; }
.h-pad { fill: #fff; stroke: #9DBBEA; stroke-width: 3; }
.h-tree-l { fill: #18A3FF; }
.h-tree-r { fill: #087BFF; }
.h-tree-s { fill: #0054D6; }
.h-trunk { stroke: #0B2A62; stroke-width: 3; stroke-linecap: round; }
.h-shadow { fill: rgba(6, 29, 73, .08); }
.h-dish { fill: #fff; stroke: var(--navy); stroke-width: 2; }
.h-line { fill: none; stroke: var(--navy); stroke-width: 2.4; stroke-linecap: round; }
.h-cam { fill: #fff; stroke: var(--navy); stroke-width: 2; stroke-linejoin: round; }
.h-lens { fill: var(--navy); }
.h-cone { fill: url(#cone); }
.h-wave { fill: none; stroke: var(--cyan); stroke-width: 2.4; stroke-linecap: round; animation: wave 2.4s var(--ease) infinite; }
.h-beam { fill: none; stroke: var(--cyan); stroke-width: 1.6; stroke-dasharray: 3 7; opacity: .7; animation: flow 1.6s linear infinite reverse; }
.h-sat-body { fill: #fff; stroke: var(--navy); stroke-width: 2; }
.h-sat-panel { fill: var(--blue); stroke: var(--navy); stroke-width: 1.5; }
@keyframes flow { to { stroke-dashoffset: -278; } }
@keyframes wave { 0% { opacity: 0; } 30% { opacity: 1; } 100% { opacity: 0; } }

/* Etkileşimli düğümler */
.hs { cursor: pointer; outline: none; }
.hs-ring { fill: rgba(24, 163, 255, .22); transform-box: fill-box; transform-origin: center; animation: hsPulse 2.2s var(--ease) infinite; }
.hs-core { fill: var(--blue); stroke: #fff; stroke-width: 3; transform-box: fill-box; transform-origin: center; transition: transform .2s var(--ease), fill .2s; }
.hs-hit { fill: transparent; }
.hs:hover .hs-core, .hs:focus-visible .hs-core { fill: var(--cyan); transform: scale(1.25); }
.hs.on .hs-core { fill: var(--navy); transform: scale(1.25); }
.hs.on .hs-ring { fill: rgba(6, 29, 73, .2); }
.hs:focus-visible .hs-hit { stroke: var(--cyan); stroke-width: 3; }
.hs:nth-child(2n) .hs-ring { animation-delay: .5s; }
.hs:nth-child(3n) .hs-ring { animation-delay: 1s; }
@keyframes hsPulse { 0% { transform: scale(.7); opacity: 1; } 100% { transform: scale(1.9); opacity: 0; } }
.hs-label { font-size: 12px; font-weight: 700; fill: var(--navy); paint-order: stroke; stroke: #fff; stroke-width: 4px; stroke-linejoin: round; pointer-events: none; opacity: 0; transition: opacity .2s; }
.hs:hover .hs-label, .hs:focus-visible .hs-label, .hs.on .hs-label { opacity: 1; }

.hs-card {
  position: relative; z-index: 2; max-width: 400px; margin: -36px 0 0 6%;
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-radius: var(--r); box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line);
  transition: transform .3s var(--ease), opacity .3s;
}
.hs-card.swap { transform: translateY(6px); opacity: 0; }
.hs-ic { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--tint); color: var(--navy); }
.hs-ic svg { width: 24px; height: 24px; }
.hs-body strong { display: block; font-size: 16px; font-weight: 800; letter-spacing: -.01em; }
.hs-body p { font-size: 14px; color: var(--muted); line-height: 1.5; margin-top: 2px; }
.hs-body button { margin-top: 10px; display: inline-flex; align-items: center; gap: 8px; padding: 0; border: 0; background: none; color: var(--blue); font-weight: 700; font-size: 14px; cursor: pointer; }
.hs-body button:hover .tn::before { width: 24px; }

/* ---------- Bölüm başlıkları ---------- */
.sec { padding: 104px 0; }
.sec-head { max-width: 760px; margin-bottom: 48px; }
.sec-head h2, .regions-copy h2 { font-size: clamp(32px, 4.4vw, 50px); margin: 16px 0 14px; letter-spacing: -.035em; }
.sec-head p, .regions-copy p { font-size: 18px; color: var(--muted); }

/* ---------- Hızlı talep ---------- */
.request { padding-top: 40px; }
.req { display: grid; grid-template-columns: 1.25fr 1fr; border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line); overflow: hidden; }
.req-form { padding: 36px; display: grid; gap: 30px; }
.step { border: 0; margin: 0; padding: 0; min-width: 0; }
.step legend { display: flex; align-items: center; gap: 12px; padding: 0; margin-bottom: 14px; font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.num { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--tint); color: var(--blue); font-size: 13px; font-weight: 800; transition: background .25s, color .25s; }
.step.done .num { background: var(--blue); color: #fff; }

.chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.chip { position: relative; }
.chip input, .seg input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px; height: 100%;
  padding: 14px; border-radius: 16px; cursor: pointer;
  background: var(--bg); box-shadow: inset 0 0 0 1.5px transparent;
  font-size: 14px; font-weight: 700; line-height: 1.25;
  transition: background .2s, box-shadow .2s, transform .2s var(--ease);
}
.chip svg { width: 26px; height: 26px; color: var(--navy); }
.chip span:hover { background: var(--tint); }
.chip input:checked + span { background: var(--navy); color: #fff; box-shadow: 0 10px 20px -12px rgba(6,29,73,.7); }
.chip input:checked + span svg { color: #fff; }
.chip input:focus-visible + span, .seg input:focus-visible + span { outline: 3px solid var(--cyan); outline-offset: 2px; }

.seg { display: flex; padding: 5px; gap: 4px; border-radius: 16px; background: var(--bg); }
.seg label { flex: 1; }
.seg span { display: grid; place-items: center; min-height: 46px; padding: 0 10px; border-radius: 12px; font-size: 14px; font-weight: 700; color: var(--muted); text-align: center; cursor: pointer; transition: background .2s, color .2s, box-shadow .2s; }
.seg span:hover { color: var(--navy); }
.seg input:checked + span { background: var(--surface); color: var(--blue); box-shadow: 0 2px 8px -2px rgba(6,29,73,.18), inset 0 0 0 1px var(--line); }

.select { position: relative; }
.select .ic { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--navy); pointer-events: none; }
.select::after { content: ""; position: absolute; right: 20px; top: 50%; width: 8px; height: 8px; border-right: 2px solid var(--navy); border-bottom: 2px solid var(--navy); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
select, .field input, .field textarea {
  width: 100%; border: 0; border-radius: 14px; background: var(--bg);
  box-shadow: inset 0 0 0 1.5px transparent; transition: box-shadow .2s, background .2s;
}
select { appearance: none; -webkit-appearance: none; min-height: 54px; padding: 0 44px 0 48px; font-weight: 700; cursor: pointer; }
select:focus, .field input:focus, .field textarea:focus { outline: none; background: #fff; box-shadow: inset 0 0 0 2px var(--blue); }

.extra summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; list-style: none; font-weight: 700; font-size: 15px; color: var(--blue); }
.extra summary::-webkit-details-marker { display: none; }
.extra summary em { font-style: normal; font-weight: 500; color: var(--muted); }
.extra summary .ic { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.extra[open] summary .ic { transform: rotate(45deg); }
.extra-in { display: grid; gap: 12px; margin-top: 14px; }
.field span { display: block; font-size: 13px; font-weight: 700; color: var(--muted); margin-bottom: 6px; }
.field input { min-height: 50px; padding: 0 16px; }
.field textarea { padding: 14px 16px; resize: vertical; }

.req-out {
  position: relative; display: flex; flex-direction: column; gap: 22px; padding: 36px;
  background: var(--navy); color: #fff; isolation: isolate;
}
.req-out::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.08) 1px, transparent 0);
  background-size: 22px 22px;
}
.circuit { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.circuit::before, .circuit::after { content: ""; position: absolute; left: 12.5%; top: 9px; height: 3px; border-radius: 3px; }
.circuit::before { right: 12.5%; background: rgba(255,255,255,.14); }
.circuit::after { width: var(--p, 0%); max-width: 75%; background: linear-gradient(90deg, var(--blue), var(--cyan)); transition: width .5s var(--ease); box-shadow: 0 0 12px rgba(24,163,255,.7); }
.circuit li { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; color: rgba(255,255,255,.55); letter-spacing: .02em; transition: color .3s; }
.circuit .dot { width: 21px; height: 21px; border-radius: 50%; background: var(--navy); box-shadow: inset 0 0 0 3px rgba(255,255,255,.22); transition: background .3s, box-shadow .3s; }
.circuit li.on { color: #fff; }
.circuit li.on .dot { background: var(--cyan); box-shadow: inset 0 0 0 3px #fff, 0 0 0 5px rgba(24,163,255,.25); }

.bubble { position: relative; flex: 1; min-height: 190px; padding: 18px 20px 20px; border-radius: 18px 18px 18px 6px; background: rgba(255,255,255,.07); box-shadow: inset 0 0 0 1px rgba(255,255,255,.1); }
.bubble-meta { display: block; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--cyan); margin-bottom: 10px; }
.bubble pre { margin: 0; font-family: inherit; font-size: 15px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; color: rgba(255,255,255,.95); }
.bubble pre .ph { color: rgba(255,255,255,.45); }
.bubble pre b { color: var(--cyan); font-weight: 700; }
.out-actions { display: grid; gap: 10px; }
.out-hint { font-size: 13px; color: rgba(255,255,255,.6); text-align: center; min-height: 1.6em; }

/* ---------- Hizmetler ---------- */
.services { background: linear-gradient(180deg, var(--bg), #fff 40%); }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  position: relative; display: flex; flex-direction: column; gap: 10px; padding: 28px;
  border-radius: var(--r); background: var(--surface); overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card::after {
  /* köşedeki devre düğümü */
  content: ""; position: absolute; top: 28px; right: 28px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--line-2); transition: background .3s, box-shadow .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), inset 0 0 0 1px var(--line); }
.card:hover::after, .card.flash::after { background: var(--cyan); box-shadow: 0 0 0 6px rgba(24,163,255,.18); }
.card.flash { box-shadow: 0 0 0 3px var(--cyan), var(--shadow-lg); }
.card-wide { grid-column: span 2; }
.card-ic { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--tint); color: var(--navy); margin-bottom: 8px; }
.card-ic svg { width: 30px; height: 30px; }
.card h3 { font-size: 21px; letter-spacing: -.02em; }
.card p { color: var(--muted); font-size: 15.5px; max-width: 34em; }
.pills { list-style: none; padding: 0; margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pills li { padding: 5px 12px; border-radius: 999px; background: var(--bg); font-size: 13px; font-weight: 700; color: var(--navy); }
.card-cta { margin-top: auto; padding: 14px 0 0; align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; border: 0; background: none; color: var(--blue); font-weight: 700; font-size: 15px; cursor: pointer; }
.card-cta:hover .tn::before { width: 26px; }
.card-art { position: absolute; right: -10px; bottom: -14px; width: 240px; opacity: .9; pointer-events: none; }
.card-art path { fill: none; stroke: var(--tint); stroke-width: 10; stroke-linecap: round; }
.card-art circle { fill: var(--tint); }
.card-dark { background: var(--navy); color: #fff; box-shadow: none; }
.card-dark p { color: rgba(255,255,255,.72); }
.card-dark .card-ic { background: rgba(255,255,255,.1); color: #fff; }
.card-dark .pills li { background: rgba(255,255,255,.1); color: #fff; }
.card-dark .card-cta { color: var(--cyan); }
.card-dark::after { background: rgba(255,255,255,.25); }
.card-dark .card-art path { stroke: rgba(255,255,255,.06); }
.card-dark .card-art circle { fill: var(--cyan); }
.card-dark:hover { box-shadow: var(--shadow-lg); }

/* ---------- Nasıl çalışır ---------- */
.how { background: var(--navy); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.how::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0); background-size: 26px 26px; }
.how .sec-head p { color: rgba(255,255,255,.7); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; }
.steps::before {
  content: ""; position: absolute; left: 30px; right: 30px; top: 30px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, rgba(24,163,255,.15), rgba(24,163,255,.5), rgba(24,163,255,.15));
}
.steps::after {
  content: ""; position: absolute; left: 30px; top: 30px; width: 80px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: run 3.6s linear infinite;
}
@keyframes run { from { transform: translateX(0); } to { transform: translateX(calc(1140px - 140px)); } }
.steps li { position: relative; padding-right: 12px; }
.step-node {
  position: relative; display: grid; place-items: center; width: 62px; height: 62px; border-radius: 50%;
  background: var(--navy); box-shadow: inset 0 0 0 3px var(--cyan), 0 0 0 8px var(--navy);
  font-weight: 800; font-size: 17px; color: var(--cyan); margin-bottom: 26px;
}
.steps h3 { font-size: 22px; margin-bottom: 10px; }
.steps p { color: rgba(255,255,255,.72); }

/* ---------- Bölgeler ---------- */
.regions-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.regions-copy { position: sticky; top: 110px; }
.picked {
  margin-top: 28px; display: flex; align-items: center; gap: 14px; padding: 14px 14px 14px 18px;
  border-radius: var(--r); background: var(--surface); box-shadow: var(--shadow), inset 0 0 0 1px var(--line);
  animation: pop .35s var(--ease);
}
.picked .ic { color: var(--navy); width: 24px; height: 24px; }
.picked div { flex: 1; line-height: 1.25; }
.picked small { display: block; font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.picked strong { font-size: 18px; font-weight: 800; }
@keyframes pop { from { transform: scale(.96); opacity: 0; } }

.lines { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.line { padding: 24px 22px; border-radius: var(--r); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); --c: var(--blue); }
.line-b { --c: var(--navy); }
.line h3 { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 800; letter-spacing: 0; margin-bottom: 14px; }
.swatch { width: 22px; height: 6px; border-radius: 6px; background: var(--c); }
.line ul { list-style: none; margin: 0; padding: 0; position: relative; }
.line ul::before { content: ""; position: absolute; left: 8px; top: 16px; bottom: 16px; width: 4px; border-radius: 4px; background: var(--c); }
.stop {
  position: relative; display: flex; align-items: center; gap: 14px; width: 100%; min-height: 36px; padding: 4px 8px 4px 0;
  border: 0; background: none; text-align: left; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--ink); border-radius: 10px;
}
.stop::before { content: ""; position: relative; z-index: 1; flex: none; width: 20px; height: 20px; border-radius: 50%; background: #fff; box-shadow: inset 0 0 0 4px var(--c); transition: transform .2s var(--ease), background .2s, box-shadow .2s; }
.stop:hover { color: var(--blue); }
.stop:hover::before { transform: scale(1.15); }
.stop.on { font-weight: 800; color: var(--blue); }
.stop.on::before { background: var(--cyan); box-shadow: inset 0 0 0 4px #fff, 0 0 0 3px var(--c), 0 0 0 9px rgba(24,163,255,.18); }
.stop.major { font-weight: 800; }

/* ---------- SSS ---------- */
.faq { background: #fff; }
.faq-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.qa { display: grid; gap: 12px; }
.qa details { border-radius: 18px; background: var(--bg); transition: background .2s, box-shadow .2s; }
.qa details[open] { background: #fff; box-shadow: var(--shadow), inset 0 0 0 1px var(--line); }
.qa summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; cursor: pointer; list-style: none; font-weight: 700; font-size: 17px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: ""; flex: none; width: 12px; height: 12px; border-radius: 50%; box-shadow: inset 0 0 0 3px var(--line-2); transition: background .2s, box-shadow .2s; }
.qa details[open] summary::after { background: var(--cyan); box-shadow: 0 0 0 5px rgba(24,163,255,.18); }
.qa details p { padding: 0 22px 20px; color: var(--muted); }

/* ---------- Kapanış ---------- */
.final { position: relative; overflow: hidden; padding: 120px 0; background: radial-gradient(120% 140% at 85% 0%, var(--navy-3), var(--navy) 60%); color: #fff; isolation: isolate; }
.final-art { position: absolute; z-index: -1; right: -60px; top: 50%; width: 420px; height: 570px; transform: translateY(-50%); opacity: .16; --emblem-node: #18A3FF; }
.final h2 { font-size: clamp(34px, 5vw, 60px); letter-spacing: -.04em; max-width: 15em; }
.final h2 span { color: var(--cyan); }
.final .cta-row { margin-top: 40px; }

/* ---------- Altbilgi ---------- */
.foot { background: #04153A; color: rgba(255,255,255,.72); padding: 64px 0 32px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 40px; }
.foot-brand p { margin-top: 18px; max-width: 26em; font-size: 15px; }
.foot-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; font-size: 15px; }
.foot-list li { display: flex; align-items: center; gap: 12px; }
.foot-list .ic { color: var(--cyan); --node: #fff; width: 18px; height: 18px; }
.foot-list a:hover, .foot-nav a:hover { color: #fff; }
.foot-nav { display: grid; gap: 10px; font-size: 15px; font-weight: 600; align-content: start; }
.foot-bottom { display: flex; align-items: center; gap: 20px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: 14px; }
.foot-trace { flex: 1; height: 2px; border-radius: 2px; background: linear-gradient(90deg, rgba(24,163,255,.4), transparent); position: relative; }
.foot-trace::before { content: ""; position: absolute; left: -2px; top: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--cyan); }
.foot-credit { color: rgba(255,255,255,.55); }
.foot-credit a { color: rgba(255,255,255,.85); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(24,163,255,.5); text-underline-offset: 3px; transition: color .2s, text-decoration-color .2s; }
.foot-credit a:hover { color: #fff; text-decoration-color: var(--cyan); }

/* ---------- Mobil dock ---------- */
.dock { display: none; }

/* ---------- Görünürlük animasyonları ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Duyarlı yerleşim ---------- */
@media (max-width: 1080px) {
  .chips { grid-template-columns: repeat(3, 1fr); }
  @keyframes run { from { transform: translateX(0); } to { transform: translateX(calc(100vw - 180px)); } }
}

@media (max-width: 960px) {
  .nav { display: none; }
  .top-in .btn { margin-left: auto; }
  .hero { padding-bottom: 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 12px; }
  .hero-visual { max-width: 560px; width: 100%; margin: 0 auto; }
  .req { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .card-wide { grid-column: span 2; }
  .regions-grid, .faq-grid { grid-template-columns: 1fr; gap: 32px; }
  .regions-copy { position: static; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: span 2; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  body { padding-bottom: 84px; }
  .top-in { height: 64px; }
  .top-in .btn span { display: none; }
  .top-in .btn { width: 44px; padding: 0; }
  .brand-mark { width: 28px; height: 38px; }
  .brand-word b { font-size: 19px; }
  .hero { padding-top: 16px; }
  .hero h1 { margin: 18px 0 16px; }
  .lead { font-size: 17px; }
  .cta-row { margin-top: 26px; }
  .cta-row .btn { flex: 1 1 100%; }
  .hero-points { margin-top: 26px; }
  .hs-card { max-width: none; margin: -8px 0 0; }
  .sec { padding: 72px 0; }
  .request { padding-top: 24px; }
  .sec-head { margin-bottom: 32px; }
  .sec-head p, .regions-copy p { font-size: 16.5px; }
  .req-form, .req-out { padding: 22px; }
  .chips { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .chip span { flex-direction: row; align-items: center; padding: 12px; font-size: 13.5px; }
  .chip svg { width: 22px; height: 22px; flex: none; }
  .seg { flex-direction: column; }
  .bento { grid-template-columns: 1fr; gap: 12px; }
  .card-wide { grid-column: auto; }
  .card { padding: 24px; }
  .card-art { width: 180px; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .steps::before { left: 30px; right: auto; top: 30px; bottom: 30px; width: 3px; height: auto; background: linear-gradient(180deg, rgba(24,163,255,.5), rgba(24,163,255,.12)); }
  .steps::after { display: none; }
  .steps li { padding-left: 84px; min-height: 62px; }
  .step-node { position: absolute; left: 0; top: 0; margin: 0; }
  .lines { gap: 10px; }
  .line { padding: 18px 12px; }
  .stop { font-size: 14px; gap: 10px; }
  .final { padding: 80px 0; }
  .final-art { width: 260px; height: 350px; right: -80px; }
  .foot-grid { grid-template-columns: 1fr; }
  .foot-brand { grid-column: auto; }
  .foot-bottom { flex-wrap: wrap; gap: 10px 20px; }
  .foot-credit { flex-basis: 100%; font-size: 13px; }

  .dock {
    position: fixed; z-index: 60; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom));
    display: grid; grid-template-columns: 1fr 1fr 1.5fr; gap: 6px; padding: 6px;
    border-radius: 22px; background: rgba(6, 29, 73, .94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 16px 40px -12px rgba(6,29,73,.6);
  }
  .dock a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 56px; border-radius: 16px; color: #fff; font-size: 12px; font-weight: 700; }
  .dock a .ic { width: 22px; height: 22px; }
  .dock a:active { background: rgba(255,255,255,.08); }
  .dock .dock-main { flex-direction: row; gap: 8px; font-size: 14px; background: var(--blue); }
}

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