/* TBMCRAFT — tünel karanlığı + marka turuncusu. Sayfa bir tünel güzergâhı gibi okunur:
   üstte kilometre (KM) göstergesi, bölümler ring ring ilerler. Tek, koyu tema (bilinçli seçim). */
:root {
  --night: #07111f;      /* zemin: tünel içi gece */
  --navy: #0c213d;       /* bölüm yüzeyi */
  --steel: #1b3556;      /* çizgiler, kenarlar */
  --fg: #e9eef5;         /* metin */
  --muted: #93a6bd;      /* ikincil metin */
  --orange: #f28a1a;     /* TBMCRAFT turuncusu */
  --orange-2: #ffb455;
  --concrete: #dde3ea;   /* segment betonu: açık bant */
  --ink: #0b1a2e;        /* açık bant üstü metin */
  --ok: #3ecf8e; --warn: #f5c542; --crit: #ff5a4f;

  --f-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", Roboto, Arial, sans-serif;
  --f-data: "IBM Plex Mono", ui-monospace, Consolas, monospace;

  --gutter: clamp(16px, 4vw, 48px);
  --max: 1240px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--night); color: var(--fg);
  font: 400 16px/1.65 var(--f-body); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 800; line-height: .95; margin: 0; text-wrap: balance; letter-spacing: .005em; }
p { margin: 0; }
.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.eyebrow { font: 500 12px/1 var(--f-data); letter-spacing: .18em; text-transform: uppercase; color: var(--orange); }
.num { font-family: var(--f-data); font-variant-numeric: tabular-nums; }

/* ---------- Üst çubuk ---------- */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  transition: background .3s, border-color .3s; border-bottom: 1px solid transparent;
}
.bar.solid { background: rgba(7, 17, 31, .88); backdrop-filter: blur(12px); border-color: var(--steel); }
.bar-in { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand svg { width: 44px; height: 44px; }
.brand b { font: 800 24px/1 var(--f-display); letter-spacing: .06em; }
.brand b span { color: var(--orange); }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 14px; color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--fg); }
.km {
  font: 500 12px/1 var(--f-data); color: var(--orange); border: 1px solid var(--steel);
  padding: 7px 10px; border-radius: 3px; white-space: nowrap; font-variant-numeric: tabular-nums;
}
.lang { display: flex; border: 1px solid var(--steel); border-radius: 3px; overflow: hidden; }
.lang button {
  background: none; border: 0; color: var(--muted); font: 600 12px/1 var(--f-data);
  padding: 8px 10px; cursor: pointer;
}
.lang button[aria-pressed="true"] { background: var(--orange); color: var(--night); }
.menu-btn { display: none; background: none; border: 1px solid var(--steel); color: var(--fg); border-radius: 3px; padding: 7px 10px; cursor: pointer; font: 600 13px var(--f-data); }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: var(--orange); }

/* ---------- Açılış ---------- */
.hero { position: relative; min-height: min(94vh, 920px); display: grid; align-items: end; overflow: hidden; isolation: isolate; }
.hero-media { position: absolute; inset: 0; z-index: -2; }
.hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.2s ease; transform: scale(1.06); }
.hero-media video.on { opacity: 1; animation: drift 10s linear forwards; }
@keyframes drift { to { transform: scale(1); } }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(7,17,31,.92) 0%, rgba(7,17,31,.55) 48%, rgba(7,17,31,.15) 100%),
    linear-gradient(0deg, var(--night) 0%, rgba(7,17,31,0) 38%);
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 32px; align-items: end; padding-block: 140px 72px; }
.hero h1 { font-size: clamp(56px, 9.5vw, 148px); text-transform: uppercase; margin-top: 18px; }
.hero h1 .ln { display: block; overflow: hidden; padding-block: .1em .06em; margin-block: -.1em -.06em; }
.hero h1 .ln > span { display: inline-block; animation: rise .9s cubic-bezier(.2,.8,.2,1) both; }
.hero h1 .ln:nth-child(2) > span { animation-delay: .12s; color: var(--orange); }
@keyframes rise { from { transform: translateY(105%); } }
.hero-lead { max-width: 54ch; font-size: clamp(16px, 1.6vw, 19px); color: #c9d5e3; margin-top: 22px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  font: 600 15px/1 var(--f-body); padding: 15px 22px; border-radius: 3px; border: 1px solid var(--orange);
  background: var(--orange); color: var(--night); transition: transform .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); background: var(--orange-2); }
.btn.ghost { background: transparent; color: var(--fg); border-color: rgba(233,238,245,.4); }
.btn.ghost:hover { border-color: var(--fg); background: rgba(255,255,255,.06); }
.btn svg { width: 16px; height: 16px; }

.hero-side { justify-self: end; display: grid; gap: 18px; justify-items: end; }
.cutter { width: clamp(180px, 26vw, 340px); aspect-ratio: 1; max-width: 100%; filter: drop-shadow(0 20px 60px rgba(0,0,0,.6)); }
.cutter .rot { transform-box: fill-box; transform-origin: center; animation: spin 18s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.clip-card { width: min(320px, 100%); background: rgba(7,17,31,.72); border: 1px solid var(--steel); border-radius: 4px; padding: 14px 16px; backdrop-filter: blur(8px); }
.clip-card .where { font: 800 26px/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.clip-card .what { color: var(--muted); font-size: 13px; margin-top: 4px; }
.clip-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 12px; }
.clip-bars button { height: 3px; border: 0; padding: 0; background: var(--steel); position: relative; overflow: hidden; cursor: pointer; }
.clip-bars button i { position: absolute; inset: 0; width: 0; background: var(--orange); }
.clip-bars button.done i { width: 100%; }
.clip-bars button.run i { animation: fill var(--dur, 8s) linear forwards; }
@keyframes fill { to { width: 100%; } }

/* ---------- Rakamlar (beton bant) ---------- */
.stats { background: var(--concrete); color: var(--ink); position: relative; }
.stats-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) repeat(5, minmax(0, 1fr)); position: relative; }
.stat + .stat { border-left: 1px solid rgba(11,26,46,.14); } /* segment derzleri */
.stat { padding: 34px 20px 30px; display: grid; gap: 6px; align-content: start; }
.stat .v { font: 800 clamp(40px, 4.6vw, 64px)/1 var(--f-display); font-variant-numeric: tabular-nums; }
.stat .v small { font-size: .45em; margin-left: 4px; color: #4a5d75; font-weight: 700; }
.stat .k { font-size: 13px; line-height: 1.4; color: #3c4f66; }
.stat:first-child .v { color: #c96b05; }

/* ---------- Bölüm başlıkları ---------- */
.sec { padding-block: clamp(64px, 8vw, 112px); position: relative; }
.sec-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: end; margin-bottom: 56px; }
.sec-head h2 { font-size: clamp(44px, 6.4vw, 92px); text-transform: uppercase; margin-top: 14px; }
.sec-head p { color: var(--muted); max-width: 52ch; font-size: 17px; }
.ring-tag { font: 500 11px/1 var(--f-data); color: var(--muted); letter-spacing: .14em; }
.ring-tag b { color: var(--orange); font-weight: 600; }

/* ---------- Hizmetler ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--steel); border-left: 1px solid var(--steel); }
.svc {
  border-right: 1px solid var(--steel); border-bottom: 1px solid var(--steel); padding: 32px 28px 30px;
  display: grid; gap: 14px; align-content: start; position: relative; overflow: hidden; min-width: 0;
  transition: background .35s;
}
.svc::before { content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0; background: var(--orange); transition: width .45s ease; }
.svc:hover { background: var(--navy); }
.svc:hover::before { width: 100%; }
.svc svg.ic { width: 44px; height: 44px; color: var(--orange); transition: transform .5s; }
.svc:hover svg.ic { transform: rotate(-12deg) scale(1.08); }
.svc h3 { font-size: 30px; text-transform: uppercase; }
.svc p { color: var(--muted); font-size: 15px; }
.svc ul { margin: 4px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 14px; }
.svc li { padding-left: 18px; position: relative; }
.svc li::before { content: ""; position: absolute; left: 0; top: .62em; width: 8px; height: 2px; background: var(--orange); }

/* ---------- Projeler ---------- */
.projects { background: linear-gradient(180deg, var(--night), var(--navy) 30%, var(--night)); }
.proj-list { display: grid; gap: 28px; }
.proj {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); min-height: 440px;
  background: var(--night); border: 1px solid var(--steel); border-radius: 4px; overflow: hidden;
}
.proj:nth-child(even) .proj-media { order: 2; }
.proj-media { position: relative; overflow: hidden; min-height: 280px; background: #000; }
.proj-media img, .proj-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease, opacity .6s; }
.proj-media video { opacity: 0; }
.proj:hover .proj-media video.ready { opacity: 1; }
.proj:hover .proj-media img { transform: scale(1.06); }
.proj-media .city {
  position: absolute; left: 20px; bottom: 16px; font: 800 clamp(48px, 7vw, 96px)/.85 var(--f-display);
  text-transform: uppercase; color: rgba(255,255,255,.92); text-shadow: 0 6px 30px rgba(0,0,0,.6);
}
.proj-body { padding: 34px 32px; display: grid; gap: 18px; align-content: start; min-width: 0; }
.proj-body h3 { font-size: clamp(30px, 3.2vw, 42px); text-transform: uppercase; }
.proj-body .machine { font: 500 13px/1.5 var(--f-data); color: var(--orange); }
.specs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--steel); }
.specs div { padding: 12px 0; border-bottom: 1px solid var(--steel); display: grid; gap: 2px; }
.specs div:nth-child(odd) { padding-right: 12px; }
.specs dt { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.specs dd { margin: 0; font: 600 22px/1.2 var(--f-data); font-variant-numeric: tabular-nums; }
.specs dd small { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 3px; }
.specs .hl dd { color: var(--orange-2); }
.proj-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-btn {
  background: transparent; border: 1px solid var(--steel); color: var(--fg); border-radius: 3px; cursor: pointer;
  font: 500 13px/1 var(--f-body); padding: 11px 14px; display: inline-flex; gap: 8px; align-items: center; transition: border-color .2s, background .2s;
}
.chip-btn:hover { border-color: var(--orange); background: rgba(242,138,26,.08); }

/* Rekor grafiği */
.records { margin-top: 72px; border: 1px solid var(--steel); border-radius: 4px; padding: 30px 32px; background: rgba(12,33,61,.5); }
.records h3 { font-size: 34px; text-transform: uppercase; }
.records > p { color: var(--muted); margin-top: 6px; font-size: 14px; }
.rec-chart { margin-top: 26px; display: grid; gap: 16px; }
.rec-row { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; align-items: center; }
.rec-row .lbl { font-size: 14px; line-height: 1.3; }
.rec-row .lbl small { display: block; color: var(--muted); font-size: 12px; }
.rec-track { position: relative; height: 38px; margin-right: 96px; background: repeating-linear-gradient(90deg, transparent 0 calc(100% / 11 - 1px), rgba(147,166,189,.14) calc(100% / 11 - 1px) calc(100% / 11)); }
.rec-bar { position: absolute; inset: 6px auto 6px 0; width: var(--w); background: linear-gradient(90deg, #a55a0a, var(--orange)); border-radius: 0 2px 2px 0; transform-origin: left; }
.rec-bar span { position: absolute; left: calc(100% + 10px); top: 50%; transform: translateY(-50%); font: 600 15px/1 var(--f-data); white-space: nowrap; }
.rec-axis { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; }
.rec-axis div { margin-right: 96px; }
.rec-axis div { display: flex; justify-content: space-between; font: 400 11px/1 var(--f-data); color: var(--muted); }
.records.anim .rec-bar { animation: grow 1.4s cubic-bezier(.2,.8,.2,1) both; }
.records.anim .rec-row:nth-child(2) .rec-bar { animation-delay: .15s; }
.records.anim .rec-row:nth-child(3) .rec-bar { animation-delay: .3s; }
@keyframes grow { from { transform: scaleX(0); } }

/* ---------- Kozmik Oda ---------- */
.room { overflow: hidden; }
.room-photos { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; gap: 10px; height: clamp(320px, 42vw, 520px); }
.room-photos figure { margin: 0; overflow: hidden; border-radius: 3px; position: relative; }
.room-photos figure:first-child { grid-row: span 2; }
.room-photos img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s; }
.room-photos figure:hover img { transform: scale(1.05); }
.live-dot { position: absolute; left: 14px; top: 14px; display: flex; gap: 8px; align-items: center; font: 600 11px/1 var(--f-data); letter-spacing: .12em; background: rgba(7,17,31,.75); padding: 7px 10px; border-radius: 3px; }
.live-dot i { width: 8px; height: 8px; border-radius: 50%; background: var(--crit); animation: blink 1.4s infinite; }
@keyframes blink { 50% { opacity: .25; } }

.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 56px; position: relative; overflow: hidden; }
.flow::before { content: ""; position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: var(--steel); }
.flow::after { content: ""; position: absolute; left: 0; top: 27px; height: 2px; width: 30%; background: linear-gradient(90deg, transparent, var(--orange), transparent); animation: pulse-run 3.2s linear infinite; }
@keyframes pulse-run { from { transform: translateX(-100%); } to { transform: translateX(340%); } }
.step { padding-right: 24px; position: relative; display: grid; gap: 10px; align-content: start; min-width: 0; }
.step .n { width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--orange); background: var(--night); display: grid; place-items: center; font: 800 24px/1 var(--f-display); position: relative; z-index: 1; }
.step h4 { margin: 8px 0 0; font: 700 22px/1.1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.step p { color: var(--muted); font-size: 14px; }

.room-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; margin-top: 64px; }
.panel { border: 1px solid var(--steel); border-radius: 4px; padding: 26px 26px 24px; background: rgba(12,33,61,.45); min-width: 0; }
.panel h3 { font-size: 28px; text-transform: uppercase; margin-bottom: 16px; }
.param-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.param-list li { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 11px 0; border-bottom: 1px dashed var(--steel); font-size: 15px; }
.param-list li:last-child { border-bottom: 0; }
.param-list li span { font: 500 12px/1.6 var(--f-data); color: var(--orange); }

.defo { display: grid; gap: 18px; }
.defo-scale { display: grid; grid-template-columns: 1fr 1fr 1.2fr; height: 14px; border-radius: 2px; overflow: hidden; }
.defo-scale i:nth-child(1) { background: var(--ok); } .defo-scale i:nth-child(2) { background: var(--warn); } .defo-scale i:nth-child(3) { background: var(--crit); }
.defo-legend { display: grid; grid-template-columns: 1fr 1fr 1.2fr; font: 500 13px/1.4 var(--f-data); }
.defo-legend small { display: block; color: var(--muted); font-family: var(--f-body); font-size: 12px; }
.defo-gauge { position: relative; height: 26px; }
.defo-gauge .needle { position: absolute; top: 0; left: 18%; width: 2px; height: 26px; background: var(--fg); transition: left 1.6s cubic-bezier(.3,.7,.2,1); }
.defo-gauge .needle::after { content: attr(data-v); position: absolute; left: 8px; top: 4px; font: 600 12px/1 var(--f-data); white-space: nowrap; }

.chain { width: 100%; border-collapse: collapse; font-size: 14px; }
.chain-wrap { overflow-x: auto; margin-top: 28px; border: 1px solid var(--steel); border-radius: 4px; }
.chain th { text-align: left; font: 500 11px/1 var(--f-data); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 14px 18px; background: var(--navy); }
.chain td { padding: 16px 18px; border-top: 1px solid var(--steel); vertical-align: top; min-width: 200px; }
.chain td:first-child { font-weight: 600; white-space: nowrap; }
.chain td:first-child::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 10px; background: var(--sev, var(--warn)); }
.chain td:last-child { color: var(--orange-2); }

/* ---------- SentinelHelix ---------- */
.sentinel { background: radial-gradient(ellipse at 80% 20%, rgba(242,138,26,.12), transparent 55%), var(--navy); border-block: 1px solid var(--steel); }
.sh-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 48px; align-items: center; }
.sh-logo { display: flex; align-items: center; gap: 14px; }
.sh-logo svg { width: 54px; height: 54px; }
.sh-logo b { font: 800 40px/1 var(--f-display); letter-spacing: .02em; }
.sh-logo small { display: block; font: 500 11px/1 var(--f-data); letter-spacing: .3em; color: var(--muted); margin-top: 6px; }
.sh-copy h2 { font-size: clamp(40px, 5vw, 72px); text-transform: uppercase; margin-top: 28px; }
.sh-copy > p { color: #c3d0df; margin-top: 18px; max-width: 50ch; }
.sh-feats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; margin: 26px 0 30px; padding: 0; list-style: none; font-size: 14px; }
.sh-feats li { display: flex; gap: 10px; align-items: baseline; }
.sh-feats li::before { content: "▸"; color: var(--orange); }

.dash { background: #050d18; border: 1px solid var(--steel); border-radius: 6px; padding: 18px; box-shadow: 0 40px 100px rgba(0,0,0,.55), 0 0 0 6px rgba(27,53,86,.35); font-family: var(--f-data); min-width: 0; }
.dash-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; padding-bottom: 12px; border-bottom: 1px solid var(--steel); font-size: 12px; color: var(--muted); }
.dash-top .st { color: var(--ok); display: flex; gap: 8px; align-items: center; font-weight: 600; letter-spacing: .1em; }
.dash-top .st i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); animation: blink 1.6s infinite; }
.dash-body { display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px; padding-top: 16px; }
.dash-ring { display: grid; justify-items: center; gap: 8px; align-content: start; }
.dash-ring svg { width: 150px; height: 150px; }
.dash-ring .rn { font-size: 11px; color: var(--muted); letter-spacing: .12em; }
.dash-ring .rv { font: 800 34px/1 var(--f-display); color: var(--fg); font-variant-numeric: tabular-nums; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.tile { background: #0a1729; border: 1px solid #142a47; border-radius: 3px; padding: 10px 10px 8px; min-width: 0; }
.tile .t { font-size: 10px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tile .val { font-size: 22px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.tile .val small { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 3px; }
.tile .meter { height: 3px; background: #142a47; margin-top: 6px; border-radius: 2px; overflow: hidden; }
.tile .meter i { display: block; height: 100%; width: 50%; background: var(--orange); transition: width .8s ease; }
.tile.warn .meter i { background: var(--warn); }
.spark { grid-column: 1 / -1; background: #0a1729; border: 1px solid #142a47; border-radius: 3px; padding: 10px; }
.spark .t { font-size: 10px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; display: flex; justify-content: space-between; }
.spark canvas { width: 100%; height: 86px; display: block; margin-top: 6px; }
.dash-note { margin-top: 10px; font-size: 11px; color: var(--muted); }

/* ---------- Referanslar ---------- */
.refs { padding-block: 72px; border-bottom: 1px solid var(--steel); overflow: hidden; }
.refs .eyebrow { text-align: center; display: block; margin-bottom: 30px; }
.marquee { display: flex; width: max-content; animation: slide 38s linear infinite; }
.marquee:hover { animation-play-state: paused; }
.marquee > div { display: flex; gap: 0; }
.ref { display: flex; align-items: center; gap: 12px; padding: 0 44px; border-right: 1px solid var(--steel); white-space: nowrap; }
.ref b { font: 800 34px/1 var(--f-display); text-transform: uppercase; color: #c9d5e3; letter-spacing: .03em; }
.ref small { font: 500 11px/1.3 var(--f-data); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.ref img { height: 40px; width: auto; }
@keyframes slide { to { transform: translateX(-50%); } }
.partner { display: flex; gap: 24px; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 40px; color: var(--muted); font-size: 15px; text-align: center; }
.partner img { height: 56px; width: auto; background: #fff; border-radius: 10px; padding: 4px; }

/* ---------- Galeri ---------- */
.gal { columns: 4 240px; column-gap: 10px; }
.gal button { display: block; width: 100%; margin: 0 0 10px; padding: 0; border: 0; background: none; cursor: zoom-in; break-inside: avoid; border-radius: 3px; overflow: hidden; position: relative; }
.gal img { width: 100%; height: auto; transition: transform .8s, filter .4s; filter: saturate(.9); }
.gal button:hover img { transform: scale(1.05); filter: saturate(1.1); }
.gal button span { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px; font-size: 13px; text-align: left; background: linear-gradient(transparent, rgba(7,17,31,.9)); opacity: 0; transition: opacity .3s; color: var(--fg); }
.gal button:hover span, .gal button:focus-visible span { opacity: 1; }

/* ---------- İletişim ---------- */
.contact { background: var(--concrete); color: var(--ink); }
.contact .eyebrow { color: #b8640a; }
.contact .sec-head p { color: #3c4f66; }
.c-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; }
.c-info { display: grid; gap: 22px; align-content: start; }
.c-info div { border-top: 2px solid var(--ink); padding-top: 12px; }
.c-info dt { font: 500 11px/1 var(--f-data); letter-spacing: .14em; text-transform: uppercase; color: #4a5d75; }
.c-info dd { margin: 8px 0 0; font: 700 26px/1.2 var(--f-display); letter-spacing: .02em; user-select: all; }
.c-info dd a { color: inherit; text-decoration: none; border-bottom: 2px solid currentColor; }
.c-info dd a:hover { opacity: .75; }
.ph { font: 500 10px/1 var(--f-data); background: var(--warn); color: var(--ink); padding: 3px 6px; border-radius: 2px; vertical-align: middle; margin-left: 8px; letter-spacing: .08em; }
form.c-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.c-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 500; color: #3c4f66; }
.c-form .full { grid-column: 1 / -1; }
.c-form input, .c-form select, .c-form textarea {
  font: 400 16px/1.4 var(--f-body); color: var(--ink); background: #fff; border: 1px solid #b7c2cf; border-radius: 3px; padding: 12px 14px; width: 100%; color-scheme: light;
}
.c-form textarea { min-height: 130px; resize: vertical; }
.c-form input:focus, .c-form select:focus, .c-form textarea:focus { outline: 2px solid var(--orange); border-color: var(--orange); }
.c-form .btn { justify-self: start; }
.form-msg { grid-column: 1 / -1; font-size: 14px; color: #1d6b47; }

/* ---------- Alt bilgi ---------- */
footer { padding-block: 48px 36px; border-top: 1px solid var(--steel); font-size: 14px; color: var(--muted); }
.foot { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; }
.foot nav { display: flex; flex-wrap: wrap; gap: 18px; }
.foot nav a { text-decoration: none; }
.foot nav a:hover { color: var(--fg); }

/* ---------- Işık kutusu ---------- */
.lb { position: fixed; inset: 0; z-index: 100; background: rgba(3,8,15,.94); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; padding: calc(16px + env(safe-area-inset-top, 0px)) 16px calc(16px + env(safe-area-inset-bottom, 0px)); }
.lb-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font: 500 13px var(--f-data); }
.lb-stage { display: grid; place-items: center; min-height: 0; padding: 12px 0; }
.lb-stage img, .lb-stage video { max-height: 100%; max-width: 100%; object-fit: contain; border-radius: 3px; }
.lb-nav { display: flex; justify-content: center; gap: 10px; }
.lb button { background: rgba(255,255,255,.08); border: 1px solid var(--steel); color: var(--fg); border-radius: 3px; padding: 10px 16px; cursor: pointer; font: 600 14px var(--f-body); }
.lb button:hover { border-color: var(--orange); }

/* ---------- Ekrana girerken ---------- */
.rv.in { animation: fadeup .9s cubic-bezier(.2,.8,.2,1) both; }
@keyframes fadeup { from { opacity: 0; transform: translateY(28px); } }

/* ---------- Duyarlı ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav.open { display: grid; position: absolute; top: calc(72px + env(safe-area-inset-top, 0px)); left: 0; right: 0; background: rgba(7,17,31,.97); padding: 12px var(--gutter) 22px; gap: 0; border-bottom: 1px solid var(--steel); }
  .nav.open a { padding: 12px 0; border-bottom: 1px solid var(--steel); font-size: 16px; color: var(--fg); }
  .menu-btn { display: block; margin-left: auto; }
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stat:nth-child(4) { border-left: 0; }
  .svc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sh-grid, .c-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); padding-block: 120px 48px; }
  .hero-side { justify-self: start; justify-items: start; grid-template-columns: auto minmax(0, 1fr); align-items: center; }
  .cutter { width: 120px; }
  .sec-head { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-bottom: 40px; }
  .proj { grid-template-columns: minmax(0, 1fr); }
  .proj:nth-child(even) .proj-media { order: 0; }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 32px; }
  .flow::before, .flow::after { display: none; }
  .room-cols { grid-template-columns: minmax(0, 1fr); }
  .room-photos { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 160px; height: auto; }
  .room-photos figure:first-child { grid-row: auto; grid-column: span 2; }
  .dash-body { grid-template-columns: minmax(0, 1fr); }
  .dash-ring { grid-template-columns: auto auto; justify-content: start; align-items: center; justify-items: start; }
  .dash-ring svg { width: 96px; height: 96px; grid-row: span 2; }
  .rec-row, .rec-axis { grid-template-columns: minmax(0, 1fr); gap: 6px; }
  .rec-axis > span { display: none; }
}
@media (max-width: 560px) {
  .km { display: none; }
  .brand b { font-size: 21px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(4) { border-left: 1px solid rgba(11,26,46,.14); }
  .stat:nth-child(odd) { border-left: 0; }
  .stat { padding: 24px 6px 22px; }
  .svc-grid { grid-template-columns: minmax(0, 1fr); }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sh-feats { grid-template-columns: minmax(0, 1fr); }
  .flow { grid-template-columns: minmax(0, 1fr); }
  form.c-form { grid-template-columns: minmax(0, 1fr); }
  .proj-body { padding: 26px 20px; }
  .records { padding: 24px 18px; }
  .ref { padding: 0 26px; }
  .ref b { font-size: 26px; }
  .gal { columns: 2; column-gap: 8px; }
  .gal button { margin-bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .hero-media video.on { opacity: 1; }
}

/* ---------- Galeri açılır menüsü ---------- */
.dd { position: relative; display: flex; align-items: center; gap: 2px; }
.dd-tog { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 12px; padding: 4px 2px; line-height: 1; transition: color .2s, transform .2s; }
.dd:hover .dd-tog, .dd.open .dd-tog { color: var(--orange); }
.dd.open .dd-tog { transform: rotate(180deg); }
.dd-menu {
  position: absolute; top: 100%; left: -18px; min-width: 260px; padding: 8px; margin-top: 14px;
  background: rgba(7,17,31,.97); border: 1px solid var(--steel); border-top: 2px solid var(--orange); border-radius: 3px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5); display: grid; gap: 2px;
  opacity: 0; visibility: hidden; transform: translateY(-6px); transition: opacity .18s, transform .18s, visibility .18s;
}
.dd-menu::before { content: ""; position: absolute; inset: -16px 0 auto 0; height: 16px; } /* fareyle geçiş köprüsü */
.dd:hover .dd-menu, .dd:focus-within .dd-menu, .dd.open .dd-menu { opacity: 1; visibility: visible; transform: none; }
.nav .dd-menu a { display: grid; gap: 2px; padding: 10px 12px; border-radius: 2px; color: var(--fg); }
.nav .dd-menu a b { font: 600 14px/1.2 var(--f-body); }
.nav .dd-menu a small { font: 500 11px/1.2 var(--f-data); color: var(--muted); letter-spacing: .06em; text-transform: uppercase; }
.nav .dd-menu a:hover, .nav .dd-menu a:focus-visible { background: var(--navy); }
.nav .dd-menu a:hover b { color: var(--orange); }
.nav .dd-menu a.dd-all { border-top: 1px solid var(--steel); margin-top: 4px; padding-top: 12px; color: var(--orange); font-size: 13px; }

/* ---------- Ana sayfa galeri kartları ---------- */
.gcards { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.gcard { grid-column: span 2; position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 3px; overflow: hidden; text-decoration: none; background: var(--navy); }
.gcard:nth-child(-n+2) { grid-column: span 3; aspect-ratio: 16 / 9; }
.gcard img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s cubic-bezier(.2,.8,.2,1), filter .4s; filter: saturate(.85) brightness(.85); }
.gcard:hover img, .gcard:focus-visible img { transform: scale(1.06); filter: saturate(1.05) brightness(.95); }
.gc-txt { position: absolute; inset: auto 0 0 0; padding: 48px 20px 18px; background: linear-gradient(transparent, rgba(7,17,31,.95)); display: grid; gap: 6px; }
.gc-txt small { font: 500 11px/1 var(--f-data); letter-spacing: .14em; text-transform: uppercase; color: var(--orange); }
.gc-txt b { font: 800 clamp(24px, 2.4vw, 32px)/1 var(--f-display); text-transform: uppercase; letter-spacing: .02em; }
.gc-txt em { font: 500 12px/1 var(--f-data); font-style: normal; color: var(--muted); }
.gc-txt em::after { content: " →"; color: var(--orange); transition: margin .2s; }
.gcard:hover .gc-txt em::after { margin-left: 4px; }
.gal-all { margin-top: 28px; }

/* ---------- Galeri sayfası ---------- */
.gp-head { padding: calc(140px + env(safe-area-inset-top, 0px)) 0 32px; }
.gp-head h1 { font-size: clamp(48px, 8vw, 104px); text-transform: uppercase; margin-top: 14px; }
.gp-head p { color: var(--muted); max-width: 60ch; margin-top: 16px; }
.gp-tabs { position: sticky; top: calc(72px + env(safe-area-inset-top, 0px)); z-index: 20; background: rgba(7,17,31,.92); backdrop-filter: blur(12px); border-block: 1px solid var(--steel); }
.gp-tabs .wrap { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.gp-tabs .wrap::-webkit-scrollbar { display: none; }
.gp-tabs a { flex: none; padding: 16px 16px 14px; text-decoration: none; color: var(--muted); font: 600 14px/1 var(--f-body); border-bottom: 2px solid transparent; white-space: nowrap; }
.gp-tabs a small { display: block; font: 500 10px/1 var(--f-data); letter-spacing: .1em; text-transform: uppercase; margin-top: 6px; opacity: .8; }
.gp-tabs a:hover { color: var(--fg); }
.gp-tabs a[aria-current="true"] { color: var(--fg); border-bottom-color: var(--orange); }
.gp-body { padding: 48px 0 96px; }
.gp-title { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 36px; }
.gp-title h2 { font-size: clamp(36px, 5vw, 64px); text-transform: uppercase; }
.gp-title span { font: 500 13px var(--f-data); color: var(--muted); }
.gp-sec + .gp-sec { margin-top: 48px; }
.gp-sec h3 { font: 500 12px/1 var(--f-data); letter-spacing: .18em; text-transform: uppercase; color: var(--orange); margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.gp-sec h3::after { content: ""; flex: 1; height: 1px; background: var(--steel); }
.gp-vids { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.gp-vids button { position: relative; aspect-ratio: 16 / 9; padding: 0; border: 0; border-radius: 3px; overflow: hidden; cursor: pointer; background: var(--navy); }
.gp-vids img { width: 100%; height: 100%; object-fit: cover; filter: brightness(.75); transition: filter .3s, transform .8s; }
.gp-vids button:hover img { filter: brightness(.95); transform: scale(1.04); }
.gp-vids .play { position: absolute; inset: 0; display: grid; place-items: center; }
.gp-vids .play i { width: 56px; height: 56px; border-radius: 50%; background: var(--orange); display: grid; place-items: center; box-shadow: 0 8px 30px rgba(0,0,0,.5); transition: transform .2s; }
.gp-vids .play i::before { content: ""; border-left: 16px solid var(--night); border-block: 10px solid transparent; margin-left: 4px; }
.gp-vids button:hover .play i { transform: scale(1.1); }
.gp-vids span.cap { position: absolute; inset: auto 0 0 0; padding: 30px 14px 12px; text-align: left; font-size: 13px; color: var(--fg); background: linear-gradient(transparent, rgba(7,17,31,.9)); }
.gp-empty { color: var(--muted); font-size: 14px; }
.gp-info { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 300px)); gap: 12px; }
.gp-info button { padding: 0; border: 1px solid var(--steel); background: var(--navy); border-radius: 3px; overflow: hidden; cursor: zoom-in; text-align: left; color: var(--fg); }
.gp-info img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; }
.gp-info span { display: block; padding: 10px 12px; font-size: 13px; }
.gp-next { margin-top: 64px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 1080px) {
  .nav.open .dd { display: grid; grid-template-columns: 1fr auto; border-bottom: 1px solid var(--steel); }
  .nav.open .dd > a { border-bottom: 0; }
  .nav.open .dd-tog { font-size: 16px; padding: 12px 6px; color: var(--fg); }
  .nav.open .dd-menu { position: static; grid-column: 1 / -1; min-width: 0; margin: 0 0 10px; box-shadow: none; border: 0; border-left: 2px solid var(--orange); background: transparent; padding: 0 0 0 12px; display: none; opacity: 1; visibility: visible; transform: none; }
  .nav.open .dd-menu::before { display: none; }
  .nav.open .dd.open .dd-menu { display: grid; }
  .nav.open .dd-menu a { border-bottom: 0; padding: 9px 8px; }
  .gcards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gcard, .gcard:nth-child(-n+2) { grid-column: span 1; aspect-ratio: 4 / 3; }
  .gcard:first-child { grid-column: span 2; aspect-ratio: 16 / 9; }
}
@media (max-width: 560px) {
  .gcards { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .gcard, .gcard:first-child { grid-column: auto; aspect-ratio: 16 / 10; }
  .gp-head { padding-top: calc(112px + env(safe-area-inset-top, 0px)); }
  .gp-vids { grid-template-columns: minmax(0, 1fr); }
  .gp-info { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}