/* ==========================================================================
   Trio Group — Alternatif tasarım (v2): teknik çizim / pafta dili
   Milimetrik kağıt, ölçü çizgileri, antet (title block), kırmızı markup.
   ========================================================================== */

:root {
  /* Kurumsal / lüks palet: gece laciverti, şampanya altını, fildişi */
  --paper: #f3efe7;
  --paper-2: #e9e3d7;
  --sheet: #fbf9f4;
  --ink: #141a24;
  --ink-soft: #5e6370;
  --line: #d9d1c2;
  --line-2: #b9ad97;
  --grid: rgba(110, 90, 55, 0.05);
  --grid-major: rgba(110, 90, 55, 0.085);
  --bp: #0d1724;           /* gece laciverti zemin */
  --bp-2: #13202f;
  --bp-line: rgba(197, 164, 109, 0.07);
  --bp-line-major: rgba(197, 164, 109, 0.16);
  --bp-ink: #f1ece2;
  --bp-soft: #a9a59b;
  --gold: #c5a46d;
  --gold-2: #e2c995;
  --red: #b5573d;          /* çizimlerdeki kanal rengi — bakır kırmızısı */
  --accent: #9c7a3f;       /* açık zeminde vurgu */
  --accent-2: #d8bb85;     /* koyu zeminde vurgu */
  --frame: 14px;
  --gutter: clamp(16px, 4.5vw, 64px);
  --maxw: 1280px;
  --hdr: 66px;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --font-c: "IBM Plex Sans Condensed", "IBM Plex Sans", sans-serif;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
body[data-company="trioair"]     { --accent: #3f6487; --accent-2: #9dbad6; }
body[data-company="triomarin"]   { --accent: #2f6a6b; --accent-2: #8ec5c0; }
body[data-company="trioairfzco"] { --accent: #9c7a3f; --accent-2: #d8bb85; }
html[lang="ar"] {
  --font: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
  --font-c: "IBM Plex Sans Arabic", "IBM Plex Sans Condensed", sans-serif;
  --serif: "Amiri", "IBM Plex Sans Arabic", serif;
  --mono: "IBM Plex Sans Arabic", "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--hdr) + 20px); }
body {
  font-family: var(--font); color: var(--ink); line-height: 1.6; overflow-x: hidden;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.ltr { direction: ltr; unicode-bidi: isolate; display: inline-block; }
.mono { font-family: var(--mono); }

/* ---------- Pafta çerçevesi (sabit) ---------- */
.sheet-frame { position: fixed; inset: var(--frame); border: 1px solid var(--line-2); pointer-events: none; z-index: 60; }
.sheet-frame .zones-x, .sheet-frame .zones-y { position: absolute; display: flex; font: 500 9px var(--mono); color: var(--line-2); }
.sheet-frame .zones-x { inset: -13px 0 auto 0; height: 12px; }
.sheet-frame .zones-x.b { inset: auto 0 -13px 0; }
.sheet-frame .zones-x span { flex: 1; text-align: center; border-inline-start: 1px solid var(--line); line-height: 12px; }
.sheet-frame .zones-y { flex-direction: column; inset: 0 auto 0 -13px; width: 12px; }
.sheet-frame .zones-y.r { inset: 0 -13px 0 auto; }
.sheet-frame .zones-y span { flex: 1; display: grid; place-items: center; border-top: 1px solid var(--line); }
body { padding: var(--frame); }

/* ---------- Header = antet şeridi ---------- */
.hdr {
  position: sticky; top: var(--frame); z-index: 50; height: var(--hdr);
  background: rgba(248, 250, 251, 0.94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-2);
  display: flex; align-items: stretch;
}
.hdr > * { border-inline-end: 1px solid var(--line); display: flex; align-items: center; }
.hdr .cell-logo { padding: 0 18px; gap: 12px; }
.hdr .cell-logo img { height: 40px; width: auto; filter: brightness(.35) sepia(.2); }
.hdr .cell-logo .nm { display: flex; flex-direction: column; line-height: 1.1; }
.hdr .cell-logo .nm b { font: 700 15px var(--font-c); letter-spacing: .02em; }
.hdr .cell-logo .nm small { font: 500 10px var(--mono); color: var(--accent); letter-spacing: .08em; text-transform: uppercase; }
.hdr .cell-meta { padding: 0 16px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; font: 500 10px var(--mono); color: var(--ink-soft); }
.hdr .cell-meta b { color: var(--ink); font-weight: 600; }
.hdr nav { flex: 1; padding: 0 6px; gap: 2px; border-inline-end: 1px solid var(--line); }
.hdr nav a { font: 500 13px var(--font-c); letter-spacing: .04em; text-transform: uppercase; padding: 8px 12px; color: var(--ink-soft); position: relative; white-space: nowrap; }
html[lang="ar"] .hdr nav a { text-transform: none; letter-spacing: 0; font-size: 14px; }
.hdr nav a:hover { color: var(--ink); }
.hdr nav a::after { content: ""; position: absolute; inset-inline: 12px; bottom: 4px; height: 2px; background: var(--red); transform: scaleX(0); transition: transform .25s; }
.hdr nav a:hover::after { transform: scaleX(1); }
.hdr nav a.grp { color: var(--accent); }
.hdr .langs { padding: 0 10px; gap: 0; border-inline-end: 0; }
.hdr .langs button { border: 1px solid var(--line); background: transparent; padding: 6px 10px; font: 600 11px var(--mono); color: var(--ink-soft); margin-inline-start: -1px; }
.hdr .langs button.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.hdr .menu-btn { display: none; background: none; border: 0; padding: 0 16px; border-inline-start: 1px solid var(--line); }
.hdr .menu-btn svg { width: 22px; height: 22px; stroke: var(--ink); fill: none; stroke-width: 1.6; }
.spacer { flex: 1; }

/* ---------- Ortak tipografi ---------- */
.tag { display: inline-flex; align-items: center; gap: 10px; font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
html[lang="ar"] .tag { letter-spacing: 0; font-size: 13px; }
.tag .no { color: var(--red); }
.tag::after { content: ""; width: 40px; height: 1px; background: currentColor; opacity: .5; }
.h-xl { font: 600 clamp(38px, 6vw, 84px)/1.0 var(--font-c); letter-spacing: -0.01em; }
.h-lg { font: 600 clamp(28px, 3.6vw, 48px)/1.08 var(--font-c); margin-top: 14px; max-width: 22ch; }
.h-lg em, .h-xl em { font-style: normal; color: var(--accent); }
.lead { color: var(--ink-soft); font-size: 16px; max-width: 58ch; }

/* Ölçü çizgisi başlık */
.dim { position: relative; display: flex; align-items: center; gap: 10px; font: 500 10px var(--mono); color: var(--ink-soft); margin-bottom: 26px; }
.dim::before, .dim::after { content: ""; flex: 1; height: 1px; background: var(--line-2); }
.dim i { width: 1px; height: 12px; background: var(--line-2); position: absolute; top: 50%; transform: translateY(-50%); }
.dim i:first-child { inset-inline-start: 0; }
.dim i:last-child { inset-inline-end: 0; }

.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; font: 600 13px var(--font-c);
  letter-spacing: .06em; text-transform: uppercase; border: 1px solid currentColor; transition: all .2s; position: relative;
}
html[lang="ar"] .btn { letter-spacing: 0; text-transform: none; font-size: 14px; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.8; }
html[dir="rtl"] .btn svg.arrow { transform: scaleX(-1); }
.btn-fill { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-fill:hover { background: var(--ink); border-color: var(--ink); }
.btn-line { color: var(--bp-ink); border-color: rgba(230, 241, 250, .4); }
.btn-line:hover { border-color: var(--bp-ink); background: rgba(255,255,255,.06); }
.btn-ink { color: var(--ink); }
.btn-ink:hover { background: var(--ink); color: #fff; }
.btn::before, .btn::after { content: ""; position: absolute; width: 6px; height: 6px; border: 1px solid var(--red); opacity: 0; transition: opacity .2s; }
.btn::before { top: -4px; inset-inline-start: -4px; border-inline-end: 0; border-bottom: 0; }
.btn::after { bottom: -4px; inset-inline-end: -4px; border-inline-start: 0; border-top: 0; }
.btn:hover::before, .btn:hover::after { opacity: 1; }

.sec { padding: clamp(64px, 8vw, 112px) 0; position: relative; }
.sec-head { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 24px; margin-bottom: 40px; }

/* ---------- Blueprint blokları ---------- */
.bp {
  background-color: var(--bp); color: var(--bp-ink);
  background-image:
    linear-gradient(var(--bp-line-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-line-major) 1px, transparent 1px),
    linear-gradient(var(--bp-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-line) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}
.bp .tag { color: var(--accent-2); }
.bp .lead { color: var(--bp-soft); }
.bp .h-lg em, .bp .h-xl em { color: var(--accent-2); }

/* SVG teknik çizim stilleri */
.tech { width: 100%; height: auto; overflow: visible; }
.tech .s { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.tech .t { stroke-width: .8; opacity: .7; }
.tech .k { stroke-width: 2.2; }
.tech .r { stroke: var(--red); }
.tech .a { stroke: var(--accent-2); }
.tech .hatch { stroke-width: .6; opacity: .5; }
.tech text { font: 500 10px var(--mono); fill: currentColor; letter-spacing: .04em; }
.tech text.lbl { font-size: 9px; opacity: .75; }
.tech text.big { font-size: 13px; font-weight: 600; }
.tech .dot { fill: currentColor; }
.tech .rdot { fill: var(--red); }
.tech .draw { stroke-dasharray: 1; stroke-dashoffset: 1; }
.in .tech .draw, .tech.go .draw { animation: draw 2.2s cubic-bezier(.6,.1,.2,1) forwards; }
.tech .draw.d2 { animation-delay: .5s !important; }
.tech .draw.d3 { animation-delay: 1s !important; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.tech .flow { stroke-dasharray: 6 8; animation: flow 1.2s linear infinite; }
.tech .flow.rev { animation-direction: reverse; }
@keyframes flow { to { stroke-dashoffset: -14; } }
.tech .fade { opacity: 0; transition: opacity 1s 1.4s; }
.in .tech .fade, .tech.go .fade { opacity: 1; }
.tech .spin { transform-box: fill-box; transform-origin: center; animation: spin 2.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .tech .draw { stroke-dashoffset: 0; animation: none !important; }
  .tech .flow, .tech .spin { animation: none; }
  .tech .fade { opacity: 1; }
}

/* Antet (title block) */
.tblock { display: grid; border: 1px solid var(--line-2); background: var(--sheet); font-size: 13px; }
.tblock > div { padding: 10px 14px; border-bottom: 1px solid var(--line); border-inline-end: 1px solid var(--line); }
.tblock small { display: block; font: 500 9px var(--mono); letter-spacing: .1em; color: var(--ink-soft); text-transform: uppercase; }
html[lang="ar"] .tblock small { letter-spacing: 0; font-size: 11px; }
.tblock b { font: 600 14px var(--font-c); }
.bp .tblock { background: rgba(13, 23, 36, .78); border-color: rgba(197,164,109,.3); color: var(--bp-ink); }
.bp .tblock > div { border-color: var(--bp-line-major); }
.bp .tblock small { color: var(--bp-soft); }

/* ==========================================================================
   PORTAL
   ========================================================================== */
.p-hero { min-height: calc(100vh - var(--hdr) - var(--frame) * 2); display: flex; flex-direction: column; padding: 48px 0 0; position: relative; overflow: hidden; }
.p-hero .top { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: end; }
.p-hero .top .lead { margin-top: 18px; }
.p-hero .tblock { grid-template-columns: repeat(3, 1fr); }
.details { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--bp-line-major); flex: 1; }
.detail {
  position: relative; display: flex; flex-direction: column; padding: 26px clamp(18px, 2.4vw, 34px) 30px;
  border-inline-end: 1px solid var(--bp-line-major); overflow: hidden; color: var(--bp-ink); transition: background .4s;
}
.detail:last-child { border-inline-end: 0; }
.detail .photo { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; filter: grayscale(1) contrast(1.1); mix-blend-mode: luminosity; transition: opacity .6s; }
.detail:hover { background: rgba(255,255,255,.03); }
.detail:hover .photo { opacity: .22; }
.detail > *:not(.photo) { position: relative; }
.detail .dh { display: flex; justify-content: space-between; align-items: center; font: 500 10px var(--mono); color: var(--bp-soft); letter-spacing: .1em; }
.detail .dh .circ { width: 34px; height: 34px; border: 1px solid var(--dc); border-radius: 50%; display: grid; place-items: center; color: var(--dc); font-weight: 600; font-size: 12px; position: relative; }
.detail .dh .circ::after { content: ""; position: absolute; inset-inline: -6px; top: 50%; height: 1px; background: var(--dc); }
.detail .drawing { margin: 18px 0 8px; color: var(--bp-ink); --accent-2: var(--dc); flex: 1; display: flex; align-items: center; min-height: 190px; }
.detail .flag { font: 500 11px var(--mono); color: var(--dc); letter-spacing: .14em; text-transform: uppercase; }
html[lang="ar"] .detail .flag { letter-spacing: 0; font-size: 13px; }
.detail h2 { font: 600 clamp(26px, 2.6vw, 38px)/1.05 var(--font-c); margin-top: 6px; }
.detail .legal { font-size: 12px; color: var(--bp-soft); margin-top: 4px; }
.detail p.desc { font-size: 14px; color: #c3d6e6; margin-top: 12px; max-width: 44ch; }
.detail .go { margin-top: 18px; align-self: flex-start; display: inline-flex; align-items: center; gap: 10px; font: 600 12px var(--font-c); letter-spacing: .08em; text-transform: uppercase; padding: 11px 16px; border: 1px solid rgba(230,241,250,.35); transition: all .2s; }
html[lang="ar"] .detail .go { letter-spacing: 0; text-transform: none; font-size: 14px; }
.detail .go svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8; }
html[dir="rtl"] .detail .go svg { transform: scaleX(-1); }
.detail:hover .go { background: var(--dc); border-color: var(--dc); color: #fff; }

.p-about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.p-about p + p { margin-top: 14px; }
.legend { border: 1px solid var(--line-2); background: var(--sheet); }
.legend .row { display: grid; grid-template-columns: 64px 1fr; border-bottom: 1px solid var(--line); }
.legend .row:last-child { border-bottom: 0; }
.legend .sym { display: grid; place-items: center; border-inline-end: 1px solid var(--line); }
.legend .sym svg { width: 28px; height: 28px; stroke: var(--red); fill: none; stroke-width: 1.4; }
.legend .row > div:last-child { padding: 16px 18px; }
.legend h4 { font: 600 16px var(--font-c); }
.legend p { font-size: 14px; color: var(--ink-soft); }
.legend .head { display: grid; grid-template-columns: 64px 1fr; font: 500 9px var(--mono); letter-spacing: .12em; color: var(--ink-soft); background: var(--paper-2); border-bottom: 1px solid var(--line-2); }
.legend .head span { padding: 8px 12px; }
.legend .head span:first-child { border-inline-end: 1px solid var(--line); text-align: center; }

/* ==========================================================================
   COMPANY
   ========================================================================== */
.c-hero { position: relative; overflow: hidden; }
.c-hero .grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(24px, 4vw, 56px); align-items: center; min-height: calc(100vh - var(--hdr) - var(--frame) * 2 - 120px); padding-block: 56px 40px; }
.c-hero .lead { margin-top: 22px; }
.c-hero .actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.c-hero .drawing { color: var(--bp-ink); position: relative; }
.c-hero .drawing .cap { display: flex; justify-content: space-between; font: 500 10px var(--mono); color: var(--bp-soft); letter-spacing: .1em; margin-top: 10px; border-top: 1px solid var(--bp-line-major); padding-top: 8px; }
.c-hero .h-xl { margin-top: 18px; }
.c-hero .h-xl .hash { color: var(--accent-2); }

/* Foto şeridi (slide verisinden) */
.strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--bp-line-major); }
.shot { position: relative; height: 120px; overflow: hidden; border-inline-end: 1px solid var(--bp-line-major); display: flex; align-items: flex-end; }
.shot:last-child { border-inline-end: 0; }
.shot .ph { position: absolute; inset: 0; background-size: cover; background-position: center; filter: grayscale(1) contrast(1.15) brightness(.7); transition: filter .5s, transform .8s; }
.shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(12,42,68,.92), rgba(12,42,68,.2)); }
.shot:hover .ph { filter: none; transform: scale(1.05); }
.shot .cap { position: relative; z-index: 1; padding: 12px 16px; display: flex; gap: 12px; align-items: baseline; width: 100%; }
.shot .cap b { font: 600 10px var(--mono); color: var(--red); background: rgba(255,255,255,.92); padding: 2px 6px; }
.shot .cap span { font-size: 13px; color: var(--bp-ink); }

/* Spesifikasyon tablosu (istatistik) */
.spec { display: grid; grid-template-columns: 220px repeat(4, 1fr); border: 1px solid var(--line-2); background: var(--sheet); }
.spec > div { padding: 22px 22px; border-inline-end: 1px solid var(--line); }
.spec > div:last-child { border-inline-end: 0; }
.spec .ttl { background: var(--ink); color: #fff; display: flex; flex-direction: column; justify-content: space-between; }
.spec .ttl small { font: 500 10px var(--mono); letter-spacing: .12em; opacity: .7; }
.spec .ttl b { font: 600 22px/1.1 var(--font-c); }
.spec .v { font: 600 clamp(32px, 3.6vw, 48px)/1 var(--font-c); direction: ltr; unicode-bidi: isolate; display: inline-block; }
.spec .v span { color: var(--red); }
.spec .l { margin-top: 10px; font: 500 11px var(--mono); color: var(--ink-soft); letter-spacing: .06em; text-transform: uppercase; }
html[lang="ar"] .spec .l { letter-spacing: 0; font-size: 13px; text-transform: none; }
.spec .code { font: 500 9px var(--mono); color: var(--line-2); margin-bottom: 14px; }

/* Hakkımızda */
.c-about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.figure { position: relative; padding: 26px 26px 0 0; }
html[dir="rtl"] .figure { padding: 26px 0 0 26px; }
.figure img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(.85) contrast(1.05); border: 1px solid var(--line-2); transition: filter .6s; }
.figure:hover img { filter: none; }
.figure .dx { position: absolute; top: 0; inset-inline: 0 26px; height: 14px; border-inline: 1px solid var(--ink-soft); display: flex; align-items: center; }
html[dir="rtl"] .figure .dx { inset-inline: 26px 0; }
.figure .dx::before { content: ""; position: absolute; inset-inline: 0; top: 50%; height: 1px; background: var(--ink-soft); }
.figure .dx span { position: relative; margin: 0 auto; background: var(--paper); padding: 0 8px; font: 500 10px var(--mono); color: var(--ink-soft); }
.figure .dy { position: absolute; inset-inline-end: 0; top: 26px; bottom: 0; width: 14px; border-block: 1px solid var(--ink-soft); }
.figure .dy::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: var(--ink-soft); }
.figure .callout { position: absolute; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--red); background: var(--sheet); color: var(--red); display: grid; place-items: center; font: 600 12px var(--mono); }
.figure .note { position: absolute; bottom: -22px; inset-inline-start: 22px; background: var(--ink); color: #fff; padding: 16px 20px; display: flex; gap: 14px; align-items: center; }
.figure .note b { font: 600 34px/1 var(--font-c); color: var(--accent-2); }
.figure .note span { font: 500 11px var(--mono); max-width: 12ch; line-height: 1.3; letter-spacing: .04em; text-transform: uppercase; }
html[lang="ar"] .figure .note span { text-transform: none; font-size: 13px; }
.c-about .txt p { color: var(--ink-soft); margin-top: 16px; }
.c-about .notes { margin-top: 26px; border-top: 1px solid var(--line-2); list-style: none; counter-reset: n; }
.c-about .notes li { counter-increment: n; display: grid; grid-template-columns: 44px 1fr; border-bottom: 1px solid var(--line); padding: 11px 0; font-weight: 500; }
.c-about .notes li::before { content: "N" counter(n, decimal-leading-zero); font: 500 11px var(--mono); color: var(--red); padding-top: 3px; }
.c-about .btn { margin-top: 30px; }

/* Hizmetler — lejant / pafta hücreleri */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--bp-line-major); border-inline-start: 1px solid var(--bp-line-major); }
.svc { position: relative; padding: 28px 26px 30px; border-bottom: 1px solid var(--bp-line-major); border-inline-end: 1px solid var(--bp-line-major); transition: background .3s; }
.svc:hover { background: rgba(255,255,255,.035); }
.svc .code { display: flex; justify-content: space-between; font: 500 10px var(--mono); color: var(--bp-soft); letter-spacing: .1em; }
.svc .code b { color: var(--red); font-weight: 600; }
.svc .sym { margin-top: 22px; width: 58px; height: 58px; border: 1px solid var(--bp-line-major); display: grid; place-items: center; position: relative; }
.svc .sym::before, .svc .sym::after { content: ""; position: absolute; background: var(--bp-line-major); }
.svc .sym::before { width: 1px; height: 76px; left: 50%; top: -9px; }
.svc .sym::after { height: 1px; width: 76px; top: 50%; left: -9px; }
.svc .sym svg { width: 28px; height: 28px; stroke: var(--accent-2); fill: none; stroke-width: 1.4; position: relative; z-index: 1; stroke-linecap: round; stroke-linejoin: round; }
.svc h3 { margin-top: 22px; font: 600 19px var(--font-c); }
.svc p { margin-top: 8px; font-size: 14px; color: var(--bp-soft); }
.svc .corner { position: absolute; top: 10px; inset-inline-end: 10px; width: 10px; height: 10px; border-top: 1px solid var(--red); border-inline-end: 1px solid var(--red); opacity: 0; transition: opacity .3s; }
.svc:hover .corner { opacity: 1; }

/* Projeler — pafta kartları */
.tabs { display: flex; border: 1px solid var(--line-2); background: var(--sheet); }
.tabs button { border: 0; border-inline-end: 1px solid var(--line); background: transparent; padding: 10px 16px; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
html[lang="ar"] .tabs button { letter-spacing: 0; text-transform: none; font-size: 13px; }
.tabs button:last-child { border-inline-end: 0; }
.tabs button.active { background: var(--ink); color: #fff; }
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.pcard { background: var(--sheet); border: 1px solid var(--line-2); display: flex; flex-direction: column; position: relative; transition: transform .3s, box-shadow .3s; }
.pcard:hover { transform: translateY(-3px); box-shadow: 8px 8px 0 rgba(15,34,51,.08); }
.pcard .pimg { position: relative; aspect-ratio: 16/10; overflow: hidden; border-bottom: 1px solid var(--line-2); background: var(--bp); }
.pcard .pimg img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.1); mix-blend-mode: luminosity; opacity: .85; transition: filter .6s, opacity .6s, transform .8s; }
.pcard:hover .pimg img { filter: none; mix-blend-mode: normal; opacity: 1; transform: scale(1.04); }
.pcard .sheetno { position: absolute; top: 10px; inset-inline-start: 10px; font: 600 10px var(--mono); background: var(--sheet); color: var(--ink); padding: 4px 8px; border: 1px solid var(--line-2); }
.pcard .st { position: absolute; top: 10px; inset-inline-end: 10px; font: 600 10px var(--mono); padding: 4px 8px; color: #fff; background: var(--red); letter-spacing: .06em; text-transform: uppercase; }
html[lang="ar"] .pcard .st { letter-spacing: 0; font-size: 12px; }
.pcard .st.done { background: #2b8a57; }
.pcard .pbody { padding: 18px 18px 16px; flex: 1; }
.pcard h3 { font: 600 19px/1.2 var(--font-c); }
.pcard .scope { font-size: 14px; color: var(--ink-soft); margin-top: 8px; }
.pcard .pt { display: grid; grid-template-columns: 1.4fr 1fr 1fr; border-top: 1px solid var(--line-2); }
.pcard .pt > div { padding: 9px 12px; border-inline-end: 1px solid var(--line); font-size: 13px; font-weight: 600; min-width: 0; }
.pcard .pt > div:last-child { border-inline-end: 0; }
.pcard .pt small { display: block; font: 500 9px var(--mono); letter-spacing: .1em; color: var(--ink-soft); text-transform: uppercase; }
html[lang="ar"] .pcard .pt small { letter-spacing: 0; font-size: 11px; }
.pcard .act { position: absolute; bottom: calc(100% - (100% - 0px)); }
.pcard a.model { display: flex; align-items: center; justify-content: center; gap: 8px; border-top: 1px solid var(--line-2); padding: 10px; font: 600 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--paper-2); transition: background .2s, color .2s; }
.pcard a.model:hover { background: var(--accent); color: #fff; }
.pcard a.model svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.empty { grid-column: 1 / -1; border: 1px dashed var(--line-2); padding: 48px; text-align: center; background: var(--sheet); }
.empty svg { width: 64px; height: 64px; stroke: var(--line-2); fill: none; stroke-width: 1; margin: 0 auto 16px; }
.empty p { font: 500 18px var(--font-c); }
.empty .btn { margin-top: 18px; }

/* Süreç — akış şeması */
.flowchart { color: var(--ink); }
.flowchart .tech text { font-size: 11px; }
.flowchart .tech text.ttl { font: 600 15px var(--font-c); }
html[lang="ar"] .flowchart .tech text, html[lang="ar"] .flowchart .tech text.ttl { font-family: var(--font); }
.flow-list { display: none; }

/* Referanslar */
.refs { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--line-2); background: var(--sheet); }
.ref { aspect-ratio: 3/2; display: grid; place-items: center; text-align: center; padding: 12px; border-inline-end: 1px solid var(--line); font: 600 14px var(--font-c); color: var(--ink-soft); position: relative; }
.ref:last-child { border-inline-end: 0; }
.ref small { display: block; font: 500 9px var(--mono); color: var(--line-2); margin-top: 4px; letter-spacing: .1em; }
.ref .x { position: absolute; inset: 14px; }
.ref .x::before, .ref .x::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top right, transparent calc(50% - .5px), var(--line) calc(50% - .5px), var(--line) calc(50% + .5px), transparent calc(50% + .5px)); }
.ref .x::after { transform: scaleX(-1); }
.ref .x + span { position: relative; background: var(--sheet); padding: 2px 6px; }

/* İletişim — antet formu */
.c-contact { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(28px, 5vw, 64px); }
.cinfo { margin-top: 28px; }
.cinfo .tblock { grid-template-columns: 1fr; }
.cinfo .tblock a:hover { color: var(--accent-2); }
.map { margin-top: 16px; border: 1px solid var(--bp-line-major); aspect-ratio: 16/9; position: relative; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(1) invert(.92) sepia(.4) hue-rotate(170deg) saturate(1.4); }
.map::after { content: "+"; position: absolute; inset: 0; display: grid; place-items: center; font: 300 40px var(--mono); color: var(--red); pointer-events: none; }
.form { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(197,164,109,.3); background: rgba(13, 23, 36, .7); }
.form .fh { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; padding: 16px 18px; border-bottom: 1px solid var(--bp-line-major); }
.form .fh h3 { font: 600 19px var(--font-c); }
.form .fh span { font: 500 10px var(--mono); color: var(--bp-soft); }
.form label { display: flex; flex-direction: column; padding: 10px 14px 12px; border-bottom: 1px solid var(--bp-line-major); border-inline-end: 1px solid var(--bp-line-major); }
.form label.full { grid-column: 1 / -1; border-inline-end: 0; }
.form label:nth-of-type(2n) { border-inline-end: 0; }
.form label small { font: 500 9px var(--mono); letter-spacing: .12em; color: var(--bp-soft); text-transform: uppercase; }
html[lang="ar"] .form label small { letter-spacing: 0; font-size: 11px; }
.form input, .form select, .form textarea { font: inherit; font-size: 15px; color: var(--bp-ink); background: transparent; border: 0; outline: none; padding: 6px 0 2px; }
.form select option { color: var(--ink); }
.form textarea { min-height: 110px; resize: vertical; }
.form label:focus-within { background: rgba(255,255,255,.04); box-shadow: inset 3px 0 0 var(--red); }
html[dir="rtl"] .form label:focus-within { box-shadow: inset -3px 0 0 var(--red); }
.form .fs { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; padding: 14px; flex-wrap: wrap; }
.form .fs .btn { border: 0; }
.form .note { font: 500 11px var(--mono); color: var(--accent-2); }

/* Footer — büyük antet */
.ftr { margin-top: 0; }
.ftr .tblock { grid-template-columns: 1.4fr 1fr 1fr 1fr; border-inline: 0; border-bottom: 0; }
.ftr .tblock > div { padding: 22px 22px; }
.ftr .logo-cell img { height: 54px; width: auto; filter: brightness(.35); }
.ftr .logo-cell p { margin-top: 10px; font-size: 13px; color: var(--ink-soft); max-width: 40ch; }
.ftr ul { list-style: none; display: grid; gap: 6px; margin-top: 8px; font-size: 14px; }
.ftr a:hover { color: var(--red); }
.ftr .base { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; padding: 12px 22px; border-top: 1px solid var(--line-2); font: 500 10px var(--mono); color: var(--ink-soft); background: var(--sheet); }
.ftr .base .credits { max-width: 100ch; }
.ftr .base a { text-decoration: underline; }

.fab { position: fixed; z-index: 55; bottom: calc(var(--frame) + 18px); inset-inline-end: calc(var(--frame) + 18px); width: 52px; height: 52px; background: var(--red); color: #fff; display: grid; place-items: center; box-shadow: 6px 6px 0 rgba(15,34,51,.2); }
.fab svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.8; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .hdr .cell-meta { display: none; }
  .hdr nav {
    position: fixed; top: calc(var(--hdr) + var(--frame)); inset-inline: var(--frame); height: calc(100vh - var(--hdr) - var(--frame) * 2);
    flex-direction: column; align-items: stretch; background: var(--sheet); padding: 12px var(--gutter); border: 1px solid var(--line-2);
    opacity: 0; visibility: hidden; transition: opacity .2s; overflow-y: auto;
  }
  .hdr nav.open { opacity: 1; visibility: visible; }
  .hdr nav a { font-size: 20px; padding: 16px 4px; border-bottom: 1px solid var(--line); }
  .hdr nav a::after { display: none; }
  .hdr .menu-btn { display: flex; align-items: center; }
  .hdr .spacer-m { flex: 1; border: 0; }
  .spec { grid-template-columns: repeat(2, 1fr); }
  .spec .ttl { grid-column: 1 / -1; flex-direction: row; align-items: center; }
  .spec > div { border-bottom: 1px solid var(--line); }
  .svc-grid, .pgrid { grid-template-columns: repeat(2, 1fr); }
  .refs { grid-template-columns: repeat(3, 1fr); }
  .ref { border-bottom: 1px solid var(--line); }
  .ftr .tblock { grid-template-columns: 1fr 1fr; }
  .flowchart .tech { display: none; }
  .flow-list { display: grid; gap: 0; list-style: none; border: 1px solid var(--line-2); background: var(--sheet); }
  .flow-list li { display: grid; grid-template-columns: 56px 1fr; border-bottom: 1px solid var(--line); }
  .flow-list li:last-child { border-bottom: 0; }
  .flow-list li b { display: grid; place-items: center; font: 600 14px var(--mono); color: var(--red); border-inline-end: 1px solid var(--line); }
  .flow-list li div { padding: 14px 16px; }
  .flow-list h4 { font: 600 17px var(--font-c); }
  .flow-list p { font-size: 14px; color: var(--ink-soft); }
}
@media (max-width: 900px) {
  :root { --frame: 6px; --hdr: 58px; }
  .sheet-frame .zones-x, .sheet-frame .zones-y { display: none; }
  .p-hero .top, .c-hero .grid, .p-about, .c-about, .c-contact { grid-template-columns: 1fr; }
  .details { grid-template-columns: 1fr; }
  .detail { border-inline-end: 0; border-bottom: 1px solid var(--bp-line-major); }
  .detail .drawing { min-height: 0; }
  .c-hero .grid { min-height: 0; padding-block: 36px 28px; }
  .strip { grid-template-columns: 1fr; }
  .shot { border-inline-end: 0; border-bottom: 1px solid var(--bp-line-major); height: 96px; }
  .figure .note { inset-inline-start: 10px; }
}
@media (max-width: 640px) {
  .hdr .cell-logo { padding: 0 12px; }
  .hdr .cell-logo .nm { display: none; }
  .hdr .langs { padding: 0 6px; }
  .hdr .langs button { padding: 5px 7px; }
  .spec { grid-template-columns: 1fr 1fr; }
  .spec > div { padding: 16px; }
  .svc-grid, .pgrid { grid-template-columns: 1fr; }
  .refs { grid-template-columns: repeat(2, 1fr); }
  .form { grid-template-columns: 1fr; }
  .form label { border-inline-end: 0; }
  .ftr .tblock { grid-template-columns: 1fr; }
  .sec-head { grid-template-columns: 1fr; }
  .tabs { width: 100%; }
  .tabs button { flex: 1; padding: 10px 6px; }
  .p-hero .tblock { grid-template-columns: 1fr 1fr; }
}

/* Süreç — akış şeması (HTML) */
.flowx { display: grid; grid-template-columns: repeat(5, 1fr); gap: 40px; }
.flowx .node { position: relative; background: var(--sheet); border: 1px solid var(--line-2); padding: 18px 18px 20px; }
.flowx .node .pc { font: 600 10px var(--mono); color: var(--red); letter-spacing: .1em; }
.flowx .node h4 { font: 600 18px/1.2 var(--font-c); margin-top: 12px; }
.flowx .node p { font-size: 13.5px; color: var(--ink-soft); margin-top: 6px; }
.flowx .node::before { content: ""; position: absolute; top: -1px; inset-inline-start: -1px; width: 14px; height: 14px; border-top: 2px solid var(--accent); border-inline-start: 2px solid var(--accent); }
.flowx .node:not(:last-child)::after {
  content: ""; position: absolute; top: 34px; inset-inline-start: 100%; width: 40px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--red) 0 6px, transparent 6px 11px); background-size: 22px 2px;
  animation: dash 1s linear infinite;
}
html[dir="rtl"] .flowx .node:not(:last-child)::after { animation-direction: reverse; }
@keyframes dash { to { background-position: 22px 0; } }
.flowx .node:not(:last-child) .pc::after { content: ""; position: absolute; top: 30px; inset-inline-start: calc(100% + 32px); border: 5px solid transparent; border-inline-start: 8px solid var(--red); z-index: 1; }
@media (max-width: 1180px) {
  .flowx { grid-template-columns: 1fr; gap: 26px; }
  .flowx .node:not(:last-child)::after { top: 100%; inset-inline-start: 34px; width: 2px; height: 26px; background: repeating-linear-gradient(180deg, var(--red) 0 6px, transparent 6px 11px); background-size: 2px 22px; animation: dashv 1s linear infinite; }
  @keyframes dashv { to { background-position: 0 22px; } }
  .flowx .node:not(:last-child) .pc::after { top: calc(100% + 18px); inset-inline-start: 30px; border: 5px solid transparent; border-top: 8px solid var(--red); }
}
@media (prefers-reduced-motion: reduce) { .flowx .node::after { animation: none !important; } }
.p-hero .h-xl { font-size: clamp(34px, 4.8vw, 68px); }

/* ==========================================================================
   Kurumsal / lüks katman — serif başlıklar, altın detaylar, foto zeminler
   ========================================================================== */
.h-xl, .h-lg { font-family: var(--serif); font-weight: 500; letter-spacing: -0.005em; }
.h-xl { font-size: clamp(42px, 6.4vw, 92px); line-height: .98; }
.p-hero .h-xl { font-size: clamp(40px, 5.4vw, 78px); }
.h-lg { font-size: clamp(32px, 4vw, 54px); line-height: 1.04; }
.h-xl em, .h-lg em, .h-xl .hash { font-style: italic; color: var(--accent); }
.bp .h-xl em, .bp .h-lg em, .bp .h-xl .hash { color: var(--gold-2); }
html[lang="ar"] .h-xl em, html[lang="ar"] .h-lg em, html[lang="ar"] .h-xl .hash { font-style: normal; }
.detail h2, .pcard h3, .svc h3, .legend h4, .flowx .node h4, .tcard h4, .gal figcaption b, .form .fh h3 { font-family: var(--serif); font-weight: 600; }
.detail h2 { font-size: clamp(30px, 3vw, 44px); }
.svc h3 { font-size: 23px; }
.pcard h3 { font-size: 23px; }
.legend h4, .flowx .node h4 { font-size: 21px; }
.spec .v, .figure .note b { font-family: var(--serif); font-weight: 600; }
.spec .v { font-size: clamp(40px, 4.2vw, 58px); }

.bp {
  background-color: var(--bp);
  background-image:
    radial-gradient(900px 500px at 85% 0%, rgba(197,164,109,.10), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(80,110,150,.10), transparent 60%),
    linear-gradient(var(--bp-line-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-line-major) 1px, transparent 1px),
    linear-gradient(var(--bp-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--bp-line) 1px, transparent 1px);
  background-size: auto, auto, 120px 120px, 120px 120px, 24px 24px, 24px 24px;
}
.bp .tag { color: var(--gold); }
.tag .no { color: var(--red); }
.bp .tag .no { color: var(--gold-2); }
.tech .a { stroke: var(--gold-2); }

.hdr { background: rgba(251, 249, 244, .95); border-bottom-color: var(--line-2); }
.hdr .cell-logo img, .ftr .logo-cell img { filter: none; }
.hdr nav a::after { background: var(--gold); }
.hdr nav a.grp { color: var(--accent); }
.hdr .langs button.active { background: var(--ink); border-color: var(--ink); color: var(--gold-2); }

.btn-fill { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.btn-fill:hover { background: var(--gold-2); border-color: var(--gold-2); color: var(--ink); }
.btn-line:hover { border-color: var(--gold); color: var(--gold-2); }
.btn::before, .btn::after { border-color: var(--gold); }
.detail:hover .go { color: var(--ink); }
.fab { background: var(--gold); color: var(--ink); box-shadow: 6px 6px 0 rgba(20,26,36,.18); }
.spec .ttl { background: var(--ink); }
.spec .ttl b { color: var(--gold-2); font-family: var(--serif); font-size: 26px; font-weight: 600; }
.spec .v span { color: var(--gold); }
.figure .note { background: var(--ink); }
.figure .note b { color: var(--gold-2); }
.pcard:hover { box-shadow: 10px 10px 0 rgba(197,164,109,.18); }
.pcard .st { background: var(--ink); color: var(--gold-2); }
.pcard .st.done { background: var(--gold); color: var(--ink); }
.tabs button.active { background: var(--ink); color: var(--gold-2); }
.flowx .node::before { border-color: var(--gold); }
.svc .code b { color: var(--gold); }
.svc .corner { border-color: var(--gold); }
.form label:focus-within { box-shadow: inset 3px 0 0 var(--gold); }
html[dir="rtl"] .form label:focus-within { box-shadow: inset -3px 0 0 var(--gold); }
.ftr .tblock { background: var(--sheet); }

/* Hero foto katmanı */
.c-hero > .wrap, .c-hero > .strip, .p-hero > .wrap { position: relative; z-index: 1; }
.bgph { position: absolute; inset: 0; z-index: 0; background-size: cover; background-position: center; opacity: .26; filter: grayscale(1) sepia(.35) brightness(.75) contrast(1.05); }
.bgph::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--bp) 25%, rgba(13,23,36,.55) 65%, rgba(13,23,36,.8)); }
html[dir="rtl"] .bgph::after { background: linear-gradient(270deg, var(--bp) 25%, rgba(13,23,36,.55) 65%, rgba(13,23,36,.8)); }
.p-hero .bgph { opacity: .16; }
.p-hero .bgph::after { background: linear-gradient(180deg, var(--bp) 0%, rgba(13,23,36,.5) 45%, var(--bp) 100%); }
.shot .cap b { color: var(--ink); background: var(--gold-2); }

/* Altın ince çizgi ayırıcı */
.rule { display: flex; align-items: center; gap: 14px; color: var(--gold); font: 500 10px var(--mono); letter-spacing: .2em; }
.rule::before, .rule::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); }

/* Teknik detaylar */
.tdetails { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.tcard { border: 1px solid rgba(197,164,109,.3); background: var(--bp); color: var(--bp-ink); display: flex; flex-direction: column; }
.tcard .tdraw { padding: 26px 26px 10px; }
.tcard .tb { display: grid; grid-template-columns: 1.6fr 1fr 1fr; border-top: 1px solid var(--bp-line-major); }
.tcard .tb > div { padding: 12px 16px; border-inline-end: 1px solid var(--bp-line-major); }
.tcard .tb > div:last-child { border-inline-end: 0; }
.tcard .tb small { display: block; font: 500 9px var(--mono); letter-spacing: .12em; color: var(--bp-soft); text-transform: uppercase; }
html[lang="ar"] .tcard .tb small { letter-spacing: 0; font-size: 11px; }
.tcard h4 { font-size: 21px; line-height: 1.15; }
.tcard .tb b { font: 600 13px var(--mono); color: var(--gold-2); }

/* Foto bandı */
.band { position: relative; min-height: 440px; display: grid; place-items: center; text-align: center; color: var(--bp-ink); overflow: hidden; background: var(--bp); }
.band .ph { position: absolute; inset: -40px 0; background-size: cover; background-position: center; filter: grayscale(.4) sepia(.25) brightness(.55); transform: translateY(var(--py, 0px)); will-change: transform; }
.band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, rgba(13,23,36,.35), rgba(13,23,36,.85)); }
.band .in-band { position: relative; z-index: 1; padding: 72px var(--gutter); max-width: 900px; }
.band blockquote { font: italic 500 clamp(30px, 4.4vw, 60px)/1.1 var(--serif); margin-top: 22px; }
html[lang="ar"] .band blockquote { font-style: normal; }
.band blockquote em { color: var(--gold-2); font-style: italic; }
.band p { margin-top: 18px; color: var(--bp-soft); font: 500 11px var(--mono); letter-spacing: .2em; text-transform: uppercase; }
html[lang="ar"] .band p { letter-spacing: 0; font-size: 13px; }
.band .frame-c { position: absolute; inset: 22px; border: 1px solid rgba(197,164,109,.35); pointer-events: none; z-index: 1; }

/* Galeri */
.gal { display: grid; grid-template-columns: 1.6fr 1fr 1fr; grid-auto-rows: 240px; gap: 14px; }
.gal figure { position: relative; overflow: hidden; background: var(--bp); }
.gal figure:first-child { grid-row: span 2; }
.gal img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.9) sepia(.15) contrast(1.05); transition: filter .7s, transform 1.2s; }
.gal figure:hover img { filter: none; transform: scale(1.04); }
.gal figure::before { content: ""; position: absolute; z-index: 2; inset: 10px; border: 1px solid rgba(226,201,149,0); transition: border-color .5s; pointer-events: none; }
.gal figure:hover::before { border-color: rgba(226,201,149,.7); }
.gal figcaption { position: absolute; z-index: 1; inset: auto 0 0 0; padding: 30px 18px 14px; background: linear-gradient(0deg, rgba(13,23,36,.9), transparent); color: var(--bp-ink); display: flex; gap: 12px; align-items: baseline; }
.gal figcaption span { font: 600 10px var(--mono); color: var(--ink); background: var(--gold-2); padding: 2px 6px; }
.gal figcaption b { font-size: 18px; }

@media (max-width: 1180px) {
  .gal { grid-template-columns: 1fr 1fr; }
  .gal figure:first-child { grid-column: 1 / -1; grid-row: span 1; }
}
@media (max-width: 900px) {
  .tdetails { grid-template-columns: 1fr; }
  .band { min-height: 340px; }
}
@media (max-width: 640px) {
  .gal { grid-template-columns: 1fr; grid-auto-rows: 210px; }
  .tcard .tb { grid-template-columns: 1fr 1fr; }
  .tcard .tb > div:first-child { grid-column: 1 / -1; border-inline-end: 0; border-bottom: 1px solid var(--bp-line-major); }
}
.tech { direction: ltr; unicode-bidi: isolate; }
.spec .v, .figure .note b, .h-xl, .h-lg { font-variant-numeric: lining-nums; }
.pcard .pt { grid-template-columns: 1fr 1fr; }

/* Hidronik şema */
.tech .cs, .tech .cr { stroke: #8fc3ec; }
.tech .hs, .tech .hr { stroke: #dc7a5a; }
.tech .cr, .tech .hr { stroke-dasharray: 7 5; }
.tech .csf, .tech .crf { fill: #8fc3ec; }
.tech .hsf, .tech .hrf { fill: #dc7a5a; }
.tech .cs.flow, .tech .hs.flow { stroke-dasharray: 2 14; stroke-width: 2.4; opacity: .9; }
.tech.hydro text.ml { font-size: 8px; }
.schema { border: 1px solid rgba(197,164,109,.3); background: var(--bp); color: var(--bp-ink); padding: clamp(14px, 2.4vw, 34px); }
.schema .scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.schema .scroll .tech { min-width: 0; }
.schema .legend2 { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--bp-line-major); display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px 22px; list-style: none; }
.schema .legend2 li { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--bp-soft); }
.schema .legend2 svg { width: 44px; height: 26px; flex-shrink: 0; color: var(--bp-ink); }
.schema .notes2 { margin-top: 18px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.schema .notes2 div { border-inline-start: 2px solid var(--gold); padding: 4px 14px; font-size: 13.5px; color: var(--bp-soft); }
.schema .notes2 b { display: block; color: var(--bp-ink); font: 600 17px var(--serif); margin-bottom: 2px; }
.schema .hint { display: none; font: 500 10px var(--mono); color: var(--bp-soft); margin-bottom: 8px; }
@media (max-width: 900px) { .schema .notes2 { grid-template-columns: 1fr; } .schema .hint { display: block; } }

/* Gemi sistemleri renk kodları (ISO 14726 esinli) */
.tech .sw { stroke: #5fbf8f; } .tech .swf { fill: #5fbf8f; }
.tech .fw { stroke: #8fc3ec; } .tech .fwf { fill: #8fc3ec; }
.tech .fo { stroke: #c98a4b; } .tech .fof { fill: #c98a4b; }
.tech .bg { stroke: #a7adb3; stroke-dasharray: 9 4 2 4; } .tech .bgf { fill: #a7adb3; }
.tech .bw { stroke: #5fbf8f; stroke-dasharray: 7 5; } .tech .bwf { fill: #5fbf8f; }
.tech .ex { stroke: #b9b0a0; stroke-width: 3; } .tech .exf { fill: #b9b0a0; }
.tech .as { stroke: #7fd6e3; } .tech .asf { fill: #7fd6e3; }
.tech .ae { stroke: #e3b562; } .tech .aef { fill: #e3b562; }
.tech .duct { stroke-width: 6; stroke-linecap: butt; opacity: .55; }
.tech .flow.sw, .tech .flow.fw, .tech .flow.fo, .tech .flow.bg, .tech .flow.ex, .tech .flow.as, .tech .flow.ae { stroke-dasharray: 2 14; stroke-width: 2.4; opacity: .95; }
.schema .scroll .tech { min-width: 0; }
@media (max-width: 900px) { .schema .scroll .tech { min-width: 1100px; } }

/* Proje etapları */
.stage + .stage { margin-top: 56px; }
.stage-h { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.stage-h .sn { width: 40px; height: 40px; border: 1px solid var(--gold); color: var(--accent); display: grid; place-items: center; font: 600 15px var(--serif); }
.stage-h h3 { font: 500 28px var(--serif); }
.stage-h .cnt { font: 500 11px var(--mono); color: var(--ink-soft); border: 1px solid var(--line-2); padding: 3px 8px; }
.stage-h .ln { flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), transparent); }
html[dir="rtl"] .stage-h .ln { background: linear-gradient(270deg, var(--line-2), transparent); }
.stage .empty { padding: 32px; }
.tcard.wide { grid-column: 1 / -1; }
.spec { grid-template-columns: 220px repeat(var(--n, 4), 1fr); }
.spec.solo { max-width: 560px; }
@media (max-width: 1180px) { .spec { grid-template-columns: repeat(2, 1fr); } }