/* ERSON GRUP , tema. Renkler kahraman videodan ve marka logosundan örneklendi. */

:root{
  /* light ground, tinted toward the footage's ochre clay, never pure white */
  --canvas:#F3EFE8;
  --canvas-2:#EAE5DB;
  --panel:#FBF9F5;
  --ink:#151A1E;
  --ink-2:#5A6469;
  --earth:#7A5C33;
  --earth-soft:#C29A67;
  --gravel:#8D9698;          /* koyu zemin uzerinde */
  --gravel-l:#586164;        /* acik zemin uzerinde, 4.5:1 icin */
  --accent:#0421CF;
  --accent-hover:#0A2FF0;
  --accent-soft:#E7EAFB;
  --line:rgba(21,26,30,.12);
  --line-2:rgba(21,26,30,.20);
  --line-strong:#6E777B;

  /* the dark end of the page: hero, interstitial, contact, footer */
  --dark:#0A1219;
  --dark-2:#060C11;
  --on-dark:#EDEFE9;
  --on-dark-2:#9BA5A8;
  --line-dark:rgba(237,239,233,.13);
  --accent-dark:#5A76FF;

  --tshadow:0 1px 2px rgba(5,8,14,.95),0 3px 12px rgba(5,8,14,.78),0 10px 44px rgba(5,8,14,.8);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-soft:cubic-bezier(.33,.02,.18,1);
  --display:"Saira Condensed",Impact,"Arial Narrow",sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --wrap:1240px;
}

/* ============ BASE ============ */
*{box-sizing:border-box}
html,body{overflow-x:hidden;overflow-x:clip}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--canvas);color:var(--ink);
  font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  opacity:0;transition:opacity .8s var(--ease);
}
body.ready{opacity:1}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:.98;letter-spacing:-.005em;margin:0}
p{margin:0}
a{color:inherit}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.06em}
.kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;color:var(--earth);text-transform:uppercase;display:flex;align-items:center;gap:10px;margin:0 0 18px}
.kicker::before{content:"";width:22px;height:1px;background:var(--earth);flex:none}
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--accent);color:#fff;padding:12px 18px;border-radius:0 0 6px 0}
.skip:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ============ ENVIRONMENT ============ */
.env{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:var(--canvas)}
.env-a,.env-b{position:absolute;width:120vmax;height:120vmax;border-radius:50%;filter:blur(80px);opacity:.55}
.env-a{left:-30vmax;top:-40vmax;background:radial-gradient(circle,rgba(194,154,103,.30),transparent 62%);animation:drift-a 96s var(--ease-soft) -22s infinite alternate}
.env-b{right:-40vmax;bottom:-45vmax;background:radial-gradient(circle,rgba(4,33,207,.07),transparent 62%);animation:drift-b 128s var(--ease-soft) -40s infinite alternate}
.env-grain{position:absolute;inset:0;opacity:.6;
  background-image:repeating-linear-gradient(0deg,rgba(21,26,30,.020) 0 1px,transparent 1px 3px),
                   repeating-linear-gradient(90deg,rgba(21,26,30,.014) 0 1px,transparent 1px 4px)}
@keyframes drift-a{from{transform:translate3d(0,0,0)}to{transform:translate3d(6vmax,4vmax,0)}}
@keyframes drift-b{from{transform:translate3d(0,0,0)}to{transform:translate3d(-5vmax,-6vmax,0)}}
.mote{position:absolute;width:2px;height:2px;border-radius:50%;background:var(--earth-soft);opacity:0;animation:mote 34s linear infinite}
@keyframes mote{0%{opacity:0;transform:translate3d(0,20px,0)}12%{opacity:.34}88%{opacity:.24}100%{opacity:0;transform:translate3d(14px,-190px,0)}}

/* ============ HEADER ============ */
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px clamp(20px,4vw,48px);
  background:linear-gradient(180deg,rgba(6,12,17,.9) 0%,rgba(6,12,17,.62) 55%,rgba(6,12,17,0) 100%);
  transition:background .5s var(--ease),padding .5s var(--ease),box-shadow .5s var(--ease)}
.hdr .nav a{color:#D4DADC;text-shadow:0 1px 3px rgba(5,8,14,.85)}
.hdr .nav a:hover{color:#fff}
.hdr .brand-sub{text-shadow:0 1px 3px rgba(5,8,14,.85)}
.hdr.stuck .nav a,body.inner .hdr .nav a,.hdr.stuck .brand-sub,body.inner .hdr .brand-sub{text-shadow:none}
.hdr.stuck,body.inner .hdr{background:rgba(243,239,232,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding-top:10px;padding-bottom:10px;box-shadow:0 10px 30px rgba(21,26,30,.06)}
.hdr.stuck .nav a,body.inner .hdr .nav a{color:var(--ink-2)}
.hdr.stuck .nav a:hover,body.inner .hdr .nav a:hover{color:var(--ink)}
.hdr.stuck .brand-sub,body.inner .hdr .brand-sub{color:var(--ink-2)}
.hdr.stuck .nav-toggle,body.inner .hdr .nav-toggle{border-color:var(--line-strong)}
.hdr.stuck .nav-toggle span,body.inner .hdr .nav-toggle span{background:var(--ink)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand-chip{background:#fff;border-radius:4px;padding:7px 10px;display:block;line-height:0;
  box-shadow:0 1px 0 rgba(21,26,30,.08);transition:transform .5s var(--ease)}
.brand:hover .brand-chip{transform:translateY(-1px)}
.brand-chip img{width:104px}
.brand-sub{font-family:var(--mono);font-size:9.5px;letter-spacing:.17em;color:var(--on-dark-2);text-transform:uppercase;white-space:nowrap;line-height:1.35;transition:color .5s var(--ease)}
@media (max-width:1320px){.brand-sub{display:none}}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:14.5px;text-decoration:none;transition:color .35s var(--ease);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--accent);color:#fff;
  text-decoration:none;font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;
  padding:13px 22px;border:0;border-radius:3px;cursor:pointer;text-shadow:none;
  transition:background .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease)}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 30px rgba(4,33,207,.26)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--ink)}
.btn-ghost:hover{background:var(--accent-soft);border-color:var(--accent);box-shadow:none}
.nav-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid rgba(237,239,233,.4);border-radius:3px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:1.5px;background:#fff;transition:transform .4s var(--ease),opacity .3s var(--ease),background .4s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ============ KOT RAIL ============ */
.kot{position:fixed;left:clamp(14px,2.2vw,30px);top:50%;transform:translateY(-50%);z-index:40;pointer-events:none;
  width:124px;height:340px;opacity:0;transition:opacity .9s var(--ease)}
.kot.on{opacity:1}
.kot-svg{position:absolute;left:0;top:0;width:28px;height:340px;overflow:visible}
.kot-track{stroke:var(--line-2);stroke-width:1}
/* açılmış kuyu: burgu indikçe arkada kalır */
.kot-bore{fill:rgba(21,26,30,.10);transform:scaleY(var(--kp,0));transform-origin:0 0}
.kot-kelly{fill:var(--gravel);opacity:.7;transform:scaleY(var(--kp,0));transform-origin:0 0}
.kot-bit{transform:translateY(calc(var(--kp,0) * 340px));will-change:transform}
.kot-flights path{stroke:var(--earth);stroke-width:2.6;fill:none;stroke-linecap:round}
.kot-flights{animation:auger 1.6s linear infinite}
@keyframes auger{from{transform:translateY(0)}to{transform:translateY(-12px)}}
.kot-teeth{stroke:var(--earth);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.kot-head{position:absolute;left:40px;top:0;transform:translate3d(0,calc(var(--kp,0) * 340px),0);will-change:transform}
.kot-head::before{content:"";position:absolute;left:-14px;top:22px;width:10px;height:1px;background:var(--earth)}
.kot-val{margin-top:14px}
.kot-val{display:block;font-family:var(--mono);font-size:12.5px;color:var(--earth);letter-spacing:.04em;line-height:1}
.kot-name{display:block;font-family:var(--mono);font-size:8.5px;color:var(--ink-2);letter-spacing:.14em;text-transform:uppercase;margin-top:5px;max-width:11ch;line-height:1.4}

.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:70;transform-origin:0 50%;
  transform:scaleX(var(--pp,0));background:linear-gradient(90deg,var(--earth-soft),var(--accent))}

/* ============ HERO ============ */
.hero{position:relative;height:560vh;z-index:1}
.stage{position:sticky;top:0;height:100svh;overflow:hidden;background:var(--dark-2)}
.poster{position:absolute;inset:0;background-size:cover;background-position:center 42%;background-repeat:no-repeat}
.hv{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  transition:opacity .9s var(--ease);will-change:transform;transform:translateZ(0)}
.stage.video-ready .hv{opacity:1}
.stage.video-failed .hv{display:none}
/* The footage is bright sunlit ground, so the reading column carries a real scrim.
   Values tuned against the worst frame of every band, not the average. */
.scrim{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,10,16,.52) 0%,rgba(6,10,16,.18) 16%,rgba(6,10,16,0) 34%),
             linear-gradient(270deg,rgba(6,10,16,.42) 0%,rgba(6,10,16,.16) 22%,rgba(6,10,16,0) 42%),
             radial-gradient(ellipse 128% 96% at 50% 46%,rgba(6,10,16,0) 42%,rgba(6,10,16,.34) 100%)}
/* Yer yuzeyi: butun bant metinleri bu cizginin ustunde durur, bitince altina gomulur. */
.surface{position:absolute;left:0;right:0;top:var(--surface-y,62%);height:1px;pointer-events:none;z-index:1;
  background:linear-gradient(90deg,rgba(194,154,103,.62) 0%,rgba(194,154,103,.34) 46%,rgba(194,154,103,0) 72%)}
.surface span{position:absolute;left:0;top:0;width:min(560px,48vw);height:5px;
  background:repeating-linear-gradient(90deg,rgba(194,154,103,.5) 0 1px,transparent 1px 7px)}

.bands{position:absolute;inset:0}
.band{--hsz:clamp(38px,5.6vw,80px);--tail:calc(var(--hsz) * .34);
  position:absolute;left:clamp(24px,7.5vw,132px);bottom:calc(100% - var(--surface-y,62%) + var(--tail));
  width:min(540px,46vw);opacity:0;visibility:hidden;isolation:isolate;color:var(--on-dark);text-shadow:var(--tshadow)}
/* Gomulme maskesi. Alt pay g, y, p kuyruklari kesilmesin diye. */
.band .sink{overflow:hidden;padding-bottom:var(--tail);margin-bottom:calc(0px - var(--tail))}
.band::before{content:"";position:absolute;inset:-62% -74% -62% -86%;pointer-events:none;z-index:-1;
  opacity:calc(.6 + .4*var(--k,1));
  background:radial-gradient(ellipse 52% 50% at 46% 50%,rgba(4,8,14,.70) 0%,rgba(4,8,14,.60) 44%,
    rgba(4,8,14,.34) 72%,rgba(4,8,14,0) 100%)}
.band .kicker{white-space:nowrap;color:var(--earth-soft)}
.band .kicker::before{background:var(--earth-soft)}
.band h1,.band h2{font-size:var(--hsz);max-width:15ch}
.band p{margin-top:20px;font-size:clamp(15.5px,1.32vw,19px);color:#D6DBD8;max-width:32ch}
.band .btn{text-shadow:none}
/* --ke: cikis ilerlemesi. Kelimeler asagi gomulur, maske onlari yutar. */
.band .sink{--sink:calc(var(--ke,0) * var(--hsz) * .92)}
.band .w{display:inline-block;--kc:clamp(0,(var(--k,0) - var(--th,0))*2.9,1);opacity:var(--kc)}
.b-drift .w{transform:translateY(calc((1 - var(--kc)) * var(--dy,-30px) + var(--sink,0px)))}
.b-slide .w{transform:translateY(calc((1 - var(--kc)) * 30px + var(--sink,0px)))}
.b-rise .w{transform:translateY(calc((1 - var(--kc)) * 26px + var(--sink,0px)))}
.b-blur .sink{display:grid}
.b-blur .layerA,.b-blur .layerB{grid-area:1/1;transform:translateY(var(--sink,0px))}
.b-blur .soft{filter:blur(11px);opacity:calc(1 - var(--k,0))}
.b-blur .sharp{opacity:var(--k,0)}
.band .kicker{transform:translateY(var(--sink,0px))}
.b-slide p,.b-drift p{transform:translateY(var(--sink,0px))}
.b-rise .sub{--ks:clamp(0,(var(--k,0) - .46)*2.9,1);opacity:var(--ks);
  transform:translateY(calc((1 - var(--ks)) * 16px + var(--sink,0px)))}
.b-rise .cta{--kb:clamp(0,(var(--k,0) - .66)*3.4,1);opacity:var(--kb);
  transform:translateY(calc((1 - var(--kb)) * 18px + var(--sink,0px)));display:inline-block;margin-top:30px}

/* ---- sondaj gostergesi ---- */
.hud{position:absolute;right:clamp(20px,3.4vw,48px);top:50%;transform:translateY(-50%);z-index:2;
  width:184px;padding:16px 16px 14px;border-radius:4px;color:var(--on-dark);
  background:rgba(8,12,18,.72);border:1px solid rgba(237,239,233,.2);backdrop-filter:blur(12px);
  opacity:0;transition:opacity .8s var(--ease)}
.stage.hud-on .hud{opacity:1}
.hud-title{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;
  color:#E0B887;padding-bottom:10px;margin-bottom:10px;border-bottom:1px solid rgba(237,239,233,.14)}
.hud-row{display:flex;align-items:baseline;gap:6px;padding:5px 0}
.hud-k{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;
  color:#C8D0D2;flex:1;white-space:nowrap}
.hud-v{font-family:var(--mono);font-size:14px;color:var(--on-dark);letter-spacing:.02em;
  font-variant-numeric:tabular-nums}
.hud-v.hud-layer{font-size:11px;letter-spacing:.06em;text-align:right;max-width:98px}
.hud-u{font-family:var(--mono);font-size:9.5px;color:#C8D0D2;min-width:26px}
.hud-bar{margin-top:12px;height:2px;background:rgba(237,239,233,.16);overflow:hidden}
.hud-bar i{display:block;height:100%;background:var(--earth-soft);transform:scaleX(var(--hp,0));transform-origin:0 50%}
@media (max-width:1180px){.hud{display:none}}
@media (max-height:620px){.hud{display:none}}
.cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.3em;color:var(--on-dark-2);text-shadow:var(--tshadow);transition:opacity .6s var(--ease)}
.cue-bar{width:1px;height:38px;background:linear-gradient(180deg,var(--earth-soft),transparent);animation:cue 3.4s var(--ease-soft) -.8s infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);transform-origin:50% 0;opacity:.4}50%{transform:scaleY(1);transform-origin:50% 0;opacity:1}}
.stage.past .cue{opacity:0}
/* video inerken dönen halka: sayfa zaten kullanılabilir, bu sadece dürüst bir ilerleme göstergesi */
.ring{position:absolute;right:28px;bottom:26px;width:34px;height:34px;color:var(--earth-soft);
  opacity:0;transform:rotate(-90deg);transition:opacity .5s var(--ease);pointer-events:none}
.ring circle{transition:stroke-dashoffset .25s linear}
.stage.video-loading .ring{opacity:.85}
.stage.video-ready .ring,.stage.video-failed .ring{opacity:0}
@media (max-height:560px){.ring{display:none}}
.hero-copy{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.hero-copy .btn:focus{position:fixed;left:16px;top:70px;width:auto;height:auto;clip-path:none;z-index:120}

/* ============ SECTIONS ============ */
.site{position:relative;z-index:2;background:var(--canvas)}
section.band-sec{padding:clamp(84px,11vh,140px) 0;position:relative}
.alt{background:var(--canvas-2)}
.head{max-width:720px}
.head h2{font-size:clamp(32px,4.1vw,58px);max-width:17ch}
.head p{margin-top:18px;color:var(--ink-2);max-width:52ch;font-size:16.5px}
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* TRUST */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;background:var(--canvas-2)}
.trust .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px}
.trust .lead{font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:var(--earth);text-transform:uppercase;flex:none}
.trust ul{display:flex;flex-wrap:wrap;gap:12px 26px;list-style:none;margin:0;padding:0}
.trust li{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:12px}
.trust li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--earth-soft);flex:none}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:56px;background:var(--line)}
.stat{background:var(--canvas);padding:30px 26px 26px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--earth),transparent);
  transform:scaleX(0);transform-origin:0 50%;transition:transform 1.3s var(--ease)}
.stats-grid.in .stat::after{transform:scaleX(1)}
.stat-v{font-family:var(--display);font-weight:700;font-size:clamp(30px,3.5vw,50px);line-height:1;letter-spacing:-.01em;
  display:flex;align-items:baseline;gap:7px;flex-wrap:wrap}
.stat-u{font-family:var(--mono);font-size:13px;color:var(--earth);letter-spacing:.06em}
.stat-l{margin-top:12px;font-size:13.5px;color:var(--ink-2);max-width:22ch}

/* SERVICES */
.strata{margin-top:44px;border-top:1px solid var(--line)}
.stratum{display:grid;grid-template-columns:46px 148px minmax(0,1fr) minmax(0,38ch);gap:30px;align-items:start;
  padding:30px 0;border-bottom:1px solid var(--line);position:relative;transition:background .55s var(--ease)}
.stratum::before{content:"";position:absolute;left:0;top:-1px;height:1px;width:100%;background:var(--earth);
  transform:scaleX(0);transform-origin:0 50%;transition:transform 1.1s var(--ease)}
.stratum.in::before{transform:scaleX(1)}
.stratum:hover{background:rgba(194,154,103,.10)}
.stratum-n{font-family:var(--mono);font-size:10.5px;color:var(--gravel-l);padding-top:8px;grid-column:1;grid-row:1}
.stratum-tag{font-family:var(--mono);font-size:11.5px;color:var(--earth);letter-spacing:.09em;padding-top:7px;grid-column:2;grid-row:1}
.stratum h3{font-size:clamp(22px,2.3vw,31px);max-width:16ch;grid-column:3;grid-row:1}
.stratum p{color:var(--ink-2);font-size:15.5px;grid-column:4;grid-row:1}

/* DRILL */
.drill{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.drill-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,5vw,72px);align-items:center;margin-top:52px}
.core{position:relative;width:100%;max-width:470px;height:440px;border:1px solid var(--line-2);background:var(--dark-2);overflow:hidden}
.lay{position:absolute;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;
  padding:9px 14px;border-top:1px solid rgba(237,239,233,.16);
  opacity:calc(.58 + .42*var(--lit,0));transition:opacity .65s var(--ease)}
.lay-txt{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:#D8DEDF;
  transition:color .6s var(--ease);order:2;text-align:right;text-shadow:0 1px 3px rgba(5,8,14,.7)}
.lay-kot{font-family:var(--mono);font-size:9.5px;letter-spacing:.06em;color:#B4BCBE;order:1;text-shadow:0 1px 3px rgba(5,8,14,.7)}
.lay.on .lay-txt{color:var(--earth-soft)}
.bit-track{position:absolute;left:50%;top:0;width:2px;height:91.667%;margin-left:-1px;pointer-events:none}
.bit-line{position:absolute;inset:0;background:linear-gradient(180deg,rgba(90,118,255,.35),var(--accent-dark));
  transform:scaleY(var(--dp,0));transform-origin:50% 0}
.bit-head{position:absolute;left:-6px;top:-3px;width:14px;height:14px;background:var(--accent-dark);
  clip-path:polygon(0 0,100% 0,50% 100%);transform:translate3d(0,var(--dpx,0px),0);will-change:transform}
.core-dust{position:absolute;inset:0;pointer-events:none}
.core-dust i{position:absolute;width:2px;height:2px;border-radius:50%;background:var(--earth-soft);opacity:0;animation:mote 26s linear infinite}
.drill-panel .read{font-family:var(--mono);font-size:clamp(30px,3.6vw,46px);color:var(--earth);letter-spacing:-.01em;line-height:1;margin-top:6px}
.drill-panel .read-l{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--ink-2);text-transform:uppercase}
.hold{margin-top:30px;position:relative;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none}
.hold-fill{position:absolute;left:0;top:0;bottom:0;width:100%;background:var(--accent-soft);
  transform:scaleX(var(--dp,0));transform-origin:0 50%}
.hold span{position:relative;z-index:1}
.drill-done{display:grid;grid-template-rows:0fr;opacity:0;margin-top:0;
  transition:grid-template-rows .7s var(--ease),opacity .7s var(--ease),margin-top .7s var(--ease)}
.drill-done>div{overflow:hidden;border:1px solid var(--line-2);background:var(--panel);padding:0 22px}
.drill.done .drill-done{grid-template-rows:1fr;opacity:1;margin-top:26px}
.drill.done .drill-done>div{padding:20px 22px}
.drill-done b{font-family:var(--display);font-weight:700;font-size:21px;display:block;margin-bottom:10px}
.drill-done ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 10px}
.drill-done li{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--earth);
  border:1px solid rgba(122,92,51,.4);padding:6px 11px;border-radius:2px;text-transform:uppercase}
.drill-shot{margin:26px 0 0;position:relative;overflow:hidden;border:1px solid var(--line-2)}
.drill-shot img{width:100%;height:clamp(190px,24vh,250px);object-fit:cover;object-position:50% 58%}
.drill-shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark);
  background:linear-gradient(0deg,rgba(6,10,16,.9),transparent)}

/* PROCESS */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:52px;background:var(--line)}
.step{background:var(--canvas);padding:28px 24px 30px;position:relative}
.step-n{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--earth)}
.step h3{margin-top:16px;font-size:clamp(19px,1.9vw,25px);max-width:13ch}
.step p{margin-top:12px;color:var(--ink-2);font-size:14.5px}
.step-bar{margin-top:22px;height:2px;background:var(--line-2);position:relative;overflow:hidden}
.step-bar i{position:absolute;inset:0;background:var(--earth);transform:scaleX(0);transform-origin:0 50%;transition:transform 1.5s var(--ease)}
.proc-grid.in .step-bar i{transform:scaleX(var(--bar,.25))}

/* INTERSTITIAL */
.interstitial{margin:0;position:relative;display:grid;overflow:hidden;background:var(--dark)}
.interstitial img{grid-area:1/1;width:100%;height:clamp(300px,54vh,520px);object-fit:cover;object-position:50% 45%;opacity:.78}
.interstitial figcaption{grid-area:1/1;align-self:center;position:relative;z-index:1;color:var(--on-dark)}
.interstitial .kicker{color:var(--earth-soft)}
.interstitial .kicker::before{background:var(--earth-soft)}
.interstitial::after{content:"";grid-area:1/1;background:linear-gradient(90deg,rgba(6,10,16,.9) 6%,rgba(6,10,16,.45) 52%,rgba(6,10,16,.15))}
.interstitial p{font-family:var(--display);font-weight:700;font-size:clamp(26px,3.4vw,46px);line-height:1.02;max-width:17ch;text-shadow:var(--tshadow)}

/* PROJECTS */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
.proj{background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;
  text-decoration:none;color:inherit;position:relative;
  transition:border-color .5s var(--ease),transform .5s var(--ease),box-shadow .5s var(--ease)}
.proj:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 18px 44px rgba(21,26,30,.13)}
.proj-img{position:relative;overflow:hidden;background:var(--dark-2)}
.proj-img img{width:100%;height:210px;object-fit:cover;transition:transform 1.1s var(--ease)}
.proj:hover .proj-img img{transform:scale(1.05)}
.proj-tag{position:absolute;left:14px;top:14px;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;
  color:var(--on-dark);text-transform:uppercase;background:rgba(6,10,16,.68);padding:6px 10px;border-radius:2px;
  backdrop-filter:blur(6px)}
.proj-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.proj h3{font-size:23px;max-width:18ch}
.proj-body p{color:var(--ink-2);font-size:14.5px;flex:1}
.proj-meta{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-family:var(--mono);font-size:10.5px;
  color:var(--gravel-l);letter-spacing:.1em;text-transform:uppercase;border-top:1px solid var(--line);padding-top:14px}
.proj-go{color:var(--accent);display:flex;align-items:center;gap:6px}
.proj-go svg{transition:transform .4s var(--ease)}
.proj:hover .proj-go svg{transform:translateX(4px)}

/* MACHINES */
.mach-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(30px,5vw,64px);margin-top:52px;align-items:start}
.mach-photo{position:relative;overflow:hidden;border:1px solid var(--line-2);height:clamp(420px,62vh,640px);margin:0}
.mach-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 64%;transform:scale(1.02);
  animation:breathe 26s var(--ease-soft) -6s infinite alternate}
@keyframes breathe{from{transform:scale(1.02)}to{transform:scale(1.08)}}
.mach-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark);background:linear-gradient(0deg,rgba(6,10,16,.9),transparent)}
.mgroup+.mgroup{margin-top:34px}
.mgroup h3{font-size:15px;font-family:var(--mono);font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--earth);
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.mgroup ul{list-style:none;margin:0;padding:0}
.mgroup li{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:11px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;transition:color .4s var(--ease),padding-left .4s var(--ease)}
.mgroup li:hover{color:var(--accent);padding-left:6px}
.mgroup li span{font-family:var(--mono);font-size:11.5px;color:var(--gravel-l);text-align:right;flex:none;letter-spacing:.04em}

/* REFS: logo izgarasi (referanslar sayfasinda kullanilir) */
.ref-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:44px}
.ref-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:3px;display:grid;place-items:center;
  padding:14px 10px;opacity:.9;transition:opacity .5s var(--ease),transform .5s var(--ease),box-shadow .5s var(--ease)}
.ref-grid figure:hover{opacity:1;transform:translateY(-3px);box-shadow:0 10px 26px rgba(21,26,30,.1)}
.ref-grid img{width:100%;max-width:118px;height:auto}
.ref-grid figure{grid-template-rows:1fr auto;gap:10px;padding:18px 12px 12px}
.ref-grid figcaption{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center;line-height:1.25}
.ref-grid figcaption b{font-size:12.5px;font-weight:600;letter-spacing:-.01em}
.ref-grid figcaption span{font-size:10.5px;color:var(--accent);letter-spacing:.06em;text-transform:uppercase}
.ref-grid .is-empty{opacity:.55}
.ref-grid .is-empty:hover{opacity:.8}

/* ============ YUK DUVARI ============ */
.loadwall{background:var(--canvas-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.wall-wrap{margin-top:clamp(40px,6vh,64px)}
.wall{display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(6px,1vw,16px)}
.col{flex:1;min-width:0;background:none;border:0;padding:0;cursor:pointer;display:flex;flex-direction:column;
  align-items:stretch;gap:0;transition:transform .45s var(--ease)}
.col-cap{background:#fff;border:1px solid var(--line);border-bottom:0;border-radius:3px 3px 0 0;
  display:grid;place-items:center;padding:12px 8px;min-height:74px;
  transition:box-shadow .45s var(--ease),border-color .45s var(--ease),transform .45s var(--ease)}
.col-cap img{width:100%;max-width:104px;height:auto;filter:grayscale(1) contrast(.92);opacity:.72;
  transition:filter .45s var(--ease),opacity .45s var(--ease)}
.col-shaft{position:relative;height:var(--h,60px);border:1px solid var(--line);border-top:0;
  background:linear-gradient(180deg,rgba(194,154,103,.26),rgba(122,92,51,.10));
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:8px;
  transition:background .45s var(--ease),border-color .45s var(--ease)}
.col-n{font-family:var(--mono);font-size:11.5px;color:var(--ink);letter-spacing:.06em;opacity:.88;
  transition:opacity .45s var(--ease),color .45s var(--ease)}
.col-empty .col-shaft{background:repeating-linear-gradient(135deg,rgba(21,26,30,.05) 0 5px,transparent 5px 10px)}
.col-empty .col-n{opacity:.72}
.col:hover,.col:focus-visible,.col.on{transform:translateY(2px)}
.col:hover .col-cap,.col:focus-visible .col-cap,.col.on .col-cap{
  border-color:var(--earth);box-shadow:0 10px 30px rgba(21,26,30,.14)}
.col:hover .col-cap img,.col:focus-visible .col-cap img,.col.on .col-cap img{filter:none;opacity:1}
.col:hover .col-shaft,.col:focus-visible .col-shaft,.col.on .col-shaft{
  background:linear-gradient(180deg,rgba(194,154,103,.6),rgba(122,92,51,.3));border-color:var(--earth)}
.col:hover .col-n,.col:focus-visible .col-n,.col.on .col-n{opacity:1;color:var(--ink)}
/* temel: butun yuku tasiyan taban */
.wall-base{height:10px;background:var(--ink);border-radius:0 0 2px 2px;
  box-shadow:0 10px 24px rgba(21,26,30,.18)}
.wall-base::after{content:"";display:block;height:4px;margin-top:10px;
  background:repeating-linear-gradient(90deg,var(--line-2) 0 2px,transparent 2px 9px)}

.wall-out{margin-top:30px;min-height:150px;border-top:1px solid var(--line);padding-top:22px}
.wall-idle{font-size:16px;color:var(--ink-2)}
.wall-idle b{font-family:var(--display);font-weight:700;font-size:24px;color:var(--ink)}
.wall-idle span{display:block;margin-top:6px;font-family:var(--mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gravel-l)}
.wall-panel-head{display:flex;align-items:baseline;gap:14px;margin-bottom:14px}
.wall-panel-head b{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.4vw,30px)}
.wall-panel-head span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--earth)}
.wall-jobs{list-style:none;margin:0;padding:0;display:grid;gap:0;
  grid-template-columns:repeat(auto-fit,minmax(340px,1fr));column-gap:34px}
.wall-jobs li{display:flex;gap:14px;align-items:baseline;padding:9px 0;border-top:1px solid var(--line);font-size:14.5px}
.wall-jobs .j-y{font-family:var(--mono);font-size:11px;color:var(--gravel-l);flex:none;width:34px}
.wall-jobs .j-t{color:var(--ink-2)}
.wall-jobs .j-empty{color:var(--gravel-l);font-style:normal}
@media (max-width:900px){
  .wall{flex-wrap:wrap;gap:8px}
  .col{flex:0 0 calc(33.333% - 6px)}
  .col-shaft{height:clamp(30px,calc(var(--h,60px) * .55),90px)}
  .wall-jobs{grid-template-columns:1fr}
}
@media (max-width:520px){.col{flex:0 0 calc(50% - 4px)}}

/* FAQ */
.faq-list{margin-top:44px;border-top:1px solid var(--line)}
.qa{border-bottom:1px solid var(--line)}
.qa-btn{width:100%;background:transparent;border:0;text-align:left;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-family:var(--display);font-weight:700;font-size:clamp(19px,2.1vw,26px);line-height:1.15;letter-spacing:-.005em;
  transition:color .4s var(--ease)}
.qa-btn:hover{color:var(--accent)}
.qa-btn::after,.qa-btn::before{content:"";position:absolute;right:6px;top:50%;background:var(--earth);transition:transform .45s var(--ease),opacity .45s var(--ease)}
.qa-btn::before{width:15px;height:1.5px;transform:translateY(-50%)}
.qa-btn::after{width:1.5px;height:15px;right:12.75px;transform:translateY(-50%)}
.qa-btn[aria-expanded="true"]::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.qa-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease)}
.qa-btn[aria-expanded="true"]+.qa-panel{grid-template-rows:1fr}
.qa-panel>div{overflow:hidden}
.qa-panel p{color:var(--ink-2);font-size:16px;max-width:72ch;padding-bottom:26px}

/* CONTACT (dark closing band) */
.contact{position:relative;overflow:hidden;background:var(--dark);color:var(--on-dark);
  padding:clamp(84px,11vh,140px) 0}
.contact-bg{position:absolute;inset:0;z-index:0}
.contact-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.contact-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--dark) 4%,rgba(10,18,25,.8) 46%,rgba(10,18,25,.5))}
.contact .wrap{position:relative;z-index:1}
.contact .kicker{color:var(--earth-soft)}
.contact .kicker::before{background:var(--earth-soft)}
.contact h2{font-size:clamp(32px,4.1vw,58px);max-width:13ch}
.contact-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(30px,5vw,70px);align-items:start}
.contact-side p.lede{color:var(--on-dark-2);margin-top:18px;max-width:40ch}
.cta-call{margin-top:30px;display:inline-flex;flex-direction:column;gap:6px;text-decoration:none;
  border-left:2px solid var(--earth-soft);padding-left:16px;transition:border-color .4s var(--ease)}
.cta-call:hover{border-color:var(--accent-dark)}
.cta-call small{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--on-dark-2);text-transform:uppercase}
.cta-call b{font-family:var(--display);font-weight:700;font-size:clamp(24px,2.6vw,34px);letter-spacing:-.01em}
.cinfo{margin-top:34px;display:grid;gap:20px}
.cinfo div{display:grid;gap:5px}
.cinfo dt{font-family:var(--mono);font-size:9.5px;letter-spacing:.2em;color:var(--on-dark-2);text-transform:uppercase}
.cinfo dd{margin:0;font-size:15.5px;line-height:1.5}
.cinfo a{text-decoration:none;border-bottom:1px solid rgba(237,239,233,.3);transition:border-color .35s var(--ease),color .35s var(--ease)}
.cinfo a:hover{color:var(--accent-dark);border-color:var(--accent-dark)}
.social{display:flex;gap:10px;margin-top:26px}
.social a{width:38px;height:38px;border:1px solid rgba(237,239,233,.28);border-radius:3px;display:grid;place-items:center;
  color:var(--on-dark-2);transition:color .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease)}
.social a:hover{color:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px)}
form{background:rgba(8,14,20,.78);border:1px solid var(--line-dark);padding:clamp(22px,3vw,34px)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f{display:block;margin-bottom:16px}
.f > span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-2);margin-bottom:8px}
.f input,.f select,.f textarea{width:100%;background:rgba(6,12,17,.85);border:1px solid rgba(237,239,233,.32);color:var(--on-dark);
  font-family:var(--body);font-size:15.5px;padding:12px 14px;border-radius:2px;
  transition:border-color .35s var(--ease),background .35s var(--ease)}
.f textarea{min-height:112px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--accent-dark);background:rgba(6,12,17,.98);outline:none}
.f input::placeholder,.f textarea::placeholder{color:#7C888C}
form .btn{width:100%;margin-top:6px;padding:16px 22px;background:var(--accent-dark)}
form .btn:hover{background:#7A91FF}
.f-note{margin-top:14px;font-size:12.5px;color:var(--on-dark-2);line-height:1.5}
.done{text-align:center;padding:34px 10px}
.done b{font-family:var(--display);font-weight:700;font-size:27px;display:block;margin-bottom:12px}
.done p{color:var(--on-dark-2);max-width:40ch;margin:0 auto}
.map{margin:clamp(44px,6vh,72px) 0 0;border:1px solid var(--line-dark);position:relative;overflow:hidden;background:var(--dark-2)}
.map iframe{display:block;width:100%;height:clamp(280px,42vh,440px);border:0;filter:saturate(.9) contrast(1.03)}
.map figcaption{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--on-dark-2);
  padding:12px 16px;border-top:1px solid var(--line-dark)}

/* FOOTER */
.foot{background:var(--dark-2);color:var(--on-dark);border-top:1px solid var(--line-dark);padding:70px 0 26px;position:relative;z-index:2}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand p{color:var(--on-dark-2);font-size:14.5px;margin-top:18px;max-width:34ch}
.foot h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--earth-soft);margin:0 0 16px;font-weight:500}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin-bottom:11px}
.foot li a,.foot li span{color:var(--on-dark-2);font-size:14.5px;text-decoration:none;transition:color .35s var(--ease)}
.foot li a:hover{color:var(--on-dark)}
.foot-bot{margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--gravel);text-transform:uppercase}

/* ============ PROJECT DETAIL PAGE ============ */
/* the fixed .env layer sits at z-index 0, so every content block needs to be
   positioned above it. On the home page .site does that; here main does. */
body.inner main{position:relative;z-index:2}
.phero{position:relative;display:grid;background:var(--dark-2);overflow:hidden}
.phero img{grid-area:1/1;width:100%;height:clamp(360px,62vh,620px);object-fit:cover;opacity:.8}
.phero::after{content:"";grid-area:1/1;background:linear-gradient(0deg,rgba(6,10,16,.94) 4%,rgba(6,10,16,.5) 52%,rgba(6,10,16,.55))}
.phero .wrap{grid-area:1/1;align-self:end;position:relative;z-index:1;padding-bottom:clamp(34px,6vh,64px);padding-top:120px}
.phero .kicker{color:var(--earth-soft)}
.phero .kicker::before{background:var(--earth-soft)}
.phero h1{color:var(--on-dark);font-size:clamp(34px,5vw,68px);max-width:16ch;text-shadow:var(--tshadow)}
.phero .lede{color:#D6DBD8;margin-top:18px;max-width:56ch;font-size:clamp(15.5px,1.3vw,18.5px);text-shadow:0 1px 10px rgba(5,8,14,.7)}
.crumb{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--on-dark-2);margin-bottom:20px}
.crumb a{text-decoration:none;transition:color .35s var(--ease)}
.crumb a:hover{color:var(--on-dark)}
.pbody{padding:clamp(64px,9vh,110px) 0}
.pgrid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(34px,5vw,68px);align-items:start}
.pgallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
/* Galeri sadece iki sutunlu duzende yapisir. Tek sutuna dusunce yapisirsa
   metnin ustunu orter, o yuzden sadece genis ekranda acilir. */
@media (min-width:1181px){.pgallery{position:sticky;top:96px}}
.pgallery figure{margin:0;position:relative;overflow:hidden;border:1px solid var(--line);background:var(--dark-2)}
.pgallery figure:first-child,.pgallery figure:nth-child(4n){grid-column:1/-1}
.pgallery img{width:100%;height:210px;object-fit:cover;transition:transform 1.1s var(--ease)}
.pgallery figure:first-child img,.pgallery figure:nth-child(4n) img{height:clamp(260px,32vh,380px)}
.pgallery figure:hover img{transform:scale(1.04)}
.pgallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:12px 14px;font-family:var(--mono);font-size:9.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark);background:linear-gradient(0deg,rgba(6,10,16,.88),transparent)}
.pcontent p{font-size:16.5px;color:var(--ink-2);margin-bottom:20px;max-width:62ch}
.pcontent p:first-of-type{font-size:18px;color:var(--ink)}
.psub{font-family:var(--mono);font-weight:500;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--earth);margin:0 0 18px;padding-bottom:12px;border-bottom:1px solid var(--line);display:block}
.psub+p{margin-top:0}
.pcontent .psub:not(:first-child){margin-top:38px}
.specs{background:var(--panel);border:1px solid var(--line);padding:4px 22px}
.specs dl{margin:0;display:grid;gap:0}
.specs div{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:13px 0;border-top:1px solid var(--line)}
.specs div:first-child{border-top:0}
.specs dt{font-size:13.5px;color:var(--ink-2);flex:none}
.specs dd{margin:0;font-family:var(--mono);font-size:13.5px;text-align:right}

/* ============ INNER PAGE TOP (references) ============ */
.ptop{padding:calc(clamp(96px,14vh,150px)) 0 clamp(40px,6vh,64px);border-bottom:1px solid var(--line)}
.ptop h1{font-size:clamp(34px,5vw,64px);max-width:16ch}
.ptop .lede{margin-top:18px;color:var(--ink-2);max-width:60ch;font-size:16.5px}
.ptop .crumb{color:var(--ink-2)}
.ptop .crumb a:hover{color:var(--ink)}
.refstat{margin-top:30px;display:flex;align-items:baseline;gap:12px;border-left:2px solid var(--earth);padding-left:16px}
.refstat b{font-family:var(--display);font-weight:700;font-size:clamp(30px,4vw,46px);line-height:1}
.refstat span{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.refjump{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:44px}
.refjump a{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-decoration:none;color:var(--ink-2);
  border:1px solid var(--line-2);padding:9px 16px;border-radius:2px;transition:all .35s var(--ease)}
.refjump a:hover{color:#fff;background:var(--accent);border-color:var(--accent)}
.refyear+.refyear{margin-top:clamp(48px,7vh,80px)}
.refyear-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:14px;border-bottom:2px solid var(--ink)}
.refyear-head h2{font-size:clamp(28px,3.4vw,44px)}
.refyear-head span{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.reftable{overflow-x:auto}
.reftable table{width:100%;border-collapse:collapse;font-size:14.5px}
.reftable thead th{font-family:var(--mono);font-weight:500;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-2);text-align:left;padding:14px 16px 12px;border-bottom:1px solid var(--line)}
.reftable td,.reftable tbody th{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.reftable tbody th{font-family:var(--body);font-weight:600;color:var(--ink);width:32%;min-width:200px}
.reftable td{color:var(--ink-2)}
.reftable .rn{width:44px;min-width:44px;font-family:var(--mono);font-size:11.5px;color:var(--gravel-l)}
.reftable tbody tr{transition:background .35s var(--ease)}
.reftable tbody tr:hover{background:rgba(194,154,103,.12)}

/* ============ FILE DROP ============ */
.drop{display:block;position:relative;border:1px dashed rgba(237,239,233,.34);border-radius:3px;
  background:rgba(6,12,17,.6);cursor:pointer;transition:border-color .35s var(--ease),background .35s var(--ease)}
.drop:hover,.drop.over{border-color:var(--accent-dark);background:rgba(10,20,40,.8)}
.drop input[type=file]{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.drop-face{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;padding:24px 18px;
  color:var(--on-dark-2);pointer-events:none}
.drop-face b{font-family:var(--body);font-weight:600;font-size:14.5px;color:var(--on-dark)}
.drop-face small{font-size:11.5px;line-height:1.5;max-width:34ch}
.droplist{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.droplist li{display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(6,12,17,.7);border:1px solid var(--line-dark);padding:10px 12px;border-radius:2px;font-size:13.5px}
.droplist .fname{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.droplist .fsize{font-family:var(--mono);font-size:11px;color:var(--on-dark-2);flex:none}
.droplist .fdel{background:none;border:0;color:var(--on-dark-2);cursor:pointer;font-size:18px;line-height:1;padding:0 2px;flex:none}
.droplist .fdel:hover{color:#FF8080}
.upnote{margin-top:10px;font-size:12px;color:var(--on-dark-2)}
.pnext{border-top:1px solid var(--line);background:var(--canvas-2);padding:clamp(50px,7vh,80px) 0}
.pnext-grid{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.pnext h2{font-size:clamp(24px,3vw,38px);max-width:18ch}

/* ============ RESPONSIVE ============ */
@media (max-width:1180px){
  .kot{display:none}
  .stats-grid,.proc-grid{grid-template-columns:repeat(2,1fr)}
  .proj-grid{grid-template-columns:repeat(2,1fr)}
  .ref-grid{grid-template-columns:repeat(4,1fr)}
  .stratum{grid-template-columns:40px 1fr;gap:14px 22px}
  .stratum-n{grid-column:1;grid-row:1}
  .stratum-tag{grid-column:2;grid-row:1;padding-top:4px}
  .stratum h3{grid-column:2;grid-row:2}
  .stratum p{grid-column:2;grid-row:3;max-width:60ch}
  .pgrid{grid-template-columns:1fr;gap:34px}
  .reftable tbody th{width:38%;min-width:170px}
}
@media (max-width:900px){
  .nav{position:fixed;inset:64px 0 auto;flex-direction:column;align-items:stretch;gap:0;padding:10px 20px 22px;
    background:var(--canvas);border-bottom:1px solid var(--line);box-shadow:0 24px 40px rgba(21,26,30,.16);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .hdr .nav a,.hdr.stuck .nav a{color:var(--ink);padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav .btn{margin-top:16px;border-bottom:0;color:#fff}
  .nav-toggle{display:flex}
  .drill-grid,.mach-grid,.contact-grid{grid-template-columns:1fr}
  .core{max-width:none;height:380px}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .stats-grid,.proc-grid,.proj-grid{grid-template-columns:1fr}
  .ref-grid{grid-template-columns:repeat(3,1fr)}
  .stratum{grid-template-columns:34px 1fr;gap:10px 16px}
  .f-row{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .contact-bg::after{background:linear-gradient(0deg,var(--dark) 10%,rgba(10,18,25,.85))}
  .proj-img img{height:190px}
}
@media (pointer:coarse){
  .btn,.qa-btn,.nav a,.social a{min-height:44px}
  .btn{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-height:560px){.cue,.kot{display:none}}

/* ============ STATIC HERO GATES (must match the JS list exactly) ============ */
@media (max-width: 720px),
       (orientation: portrait) and (max-width: 1024px),
       (orientation: portrait) and (pointer: coarse),
       (orientation: landscape) and (pointer: coarse) and (max-height: 560px),
       (prefers-reduced-motion: reduce){
  .hero{height:auto}
  .stage{position:relative;height:auto;min-height:100svh;display:grid;align-items:end}
  .bands,.cue,.hud,.surface{display:none}
  .hv{display:none}
  .poster{background-position:center 38%}
  .hero-copy{position:relative;width:auto;height:auto;overflow:visible;clip-path:none;white-space:normal;
    padding:clamp(110px,18vh,200px) clamp(22px,6vw,60px) clamp(46px,8vh,80px);max-width:760px;
    color:var(--on-dark);text-shadow:var(--tshadow);z-index:2}
  .hero-copy .kicker{color:var(--earth-soft)}
  .hero-copy .kicker::before{background:var(--earth-soft)}
  .hero-copy h1{font-size:clamp(40px,9.4vw,68px);max-width:14ch}
  .hero-copy .sub{margin-top:18px;font-size:clamp(15.5px,3.6vw,19px);color:#D6DBD8;max-width:32ch}
  .hero-copy .btn{margin-top:30px;position:static}
  .hero-copy .btn:focus{position:static;left:auto;top:auto}
  .stage::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
    background:linear-gradient(0deg,rgba(6,10,16,.92) 4%,rgba(6,10,16,.55) 42%,rgba(6,10,16,.28))}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none !important;transition:none !important;transition-delay:0s !important}
  body{opacity:1}
  .rv{opacity:1;transform:none}
  .stat::after,.stratum::before{transform:scaleX(1)}
  .proc-grid .step-bar i{transform:scaleX(var(--bar,.25))}
  .band{position:absolute;top:50%;transform:translateY(-50%)}
  .mach-photo img{transform:scale(1.02)}
}

body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused !important}

/* Bal kupu: ekranda ve ekran okuyucuda yok, DOM da var. */
.hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}

/* ---- 404 ---- */
.notfound{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:clamp(26px,4vw,54px);
  margin-top:clamp(38px,5vh,58px);padding-top:clamp(28px,4vh,44px);border-top:1px solid var(--line)}
.nflist{list-style:none;margin:14px 0 0;padding:0}
.nflist li{border-bottom:1px solid var(--line)}
.nflist a{display:block;padding:11px 0;text-decoration:none;color:var(--ink);font-size:15px;
  transition:color .35s var(--ease),padding-left .35s var(--ease)}
.nflist a:hover{color:var(--accent);padding-left:6px}
.cta-dark{color:var(--ink);border-left-color:var(--earth)}
.cta-dark small{color:var(--ink-2)}
.cta-dark:hover{border-left-color:var(--accent)}

/* Hero yazilari kapaliyken: baslik sayfada kalir, gozle gorunmez.
   Arama motoru ve ekran okuyucu okur, ziyaretci yalnizca fotografi gorur. */
.hero-copy.gizli{position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* Sabit hero kipinde (telefon, azaltilmis hareket) .scrim gereksiz:
   o gradyanlar genis ekranda menu ve gosterge icin kurulmustu. Dar ekranda
   sagdaki serit neredeyse butun kareyi kapatiyor ve fotografi oldururuyor.
   Yazi da yoksa tek gereken, alt kenardaki yumusak gecis: onu .stage::after veriyor. */
@media (max-width: 720px),
       (orientation: portrait) and (max-width: 1024px),
       (orientation: portrait) and (pointer: coarse),
       (orientation: landscape) and (pointer: coarse) and (max-height: 560px),
       (prefers-reduced-motion: reduce){
  .hero.sade .scrim{display:none}
}

/* Yük duvarında yalnızca üst etiket kaldıysa, başlığın yeri boş durmasın. */
.loadwall .head-yalin + .wall-wrap{margin-top:clamp(18px,2.6vh,30px)}