/* =====================================================================
   GDR Makina · 3D giriş: çift kuleli hidrolik fikstür
   Sadece <html class="gdri-on"> iken devreye girer. Sınıf yoksa (JS kapalı,
   WebGL yok, hareket azaltma açık) site birebir eski haliyle görünür.
   ===================================================================== */

.gdri__gl, .gdri__hud, .gdri__skip, .gdri__cover { display: none; }

.gdri-on .gdri {
  position: relative;
  height: calc(100vh - 90px + 380vh);
  background: #0a1130;
}
.gdri-on .gdri__stage {
  position: sticky;
  top: 90px;
  height: calc(100vh - 90px);
  overflow: hidden;
  background: #0a1130;
  isolation: isolate;
}
/* Mevcut hero sahnenin arkasında bekler; pencereden içeri girince görünür */
.gdri-on .gdri__stage .hero {
  position: absolute;
  inset: 0;
  min-height: 0;
  height: 100%;
  padding: 0;
  z-index: 1;
  transform: scale(1.14);
  transform-origin: 50% 46%;
  will-change: transform;
}

.gdri-on .gdri__gl {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
}

/* Yüklenirken hero görünmesin */
.gdri-on .gdri__cover {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 7;
  background: radial-gradient(120% 90% at 50% 40%, #16235c 0%, #0a1130 70%);
  transition: opacity .9s ease, visibility 0s linear .9s;
}
.gdri-on .gdri__cover::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 160px;
  height: 2px;
  margin-left: -80px;
  background: linear-gradient(90deg, transparent, #3DC6C7, transparent);
  animation: gdri-load 1.4s ease-in-out infinite;
}
@keyframes gdri-load {
  0% { transform: scaleX(.1); opacity: .2; }
  50% { transform: scaleX(1); opacity: 1; }
  100% { transform: scaleX(.1); opacity: .2; }
}
.gdri-ready .gdri__cover { opacity: 0; visibility: hidden; }

/* ---------- Üst bilgi katmanı (sitenin tipografisiyle) ---------- */
.gdri-on .gdri__hud {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  color: #fff;
  font-family: 'Inter', sans-serif;
}

.gdri__intro {
  position: absolute;
  left: 5vw;
  bottom: var(--gdri-safe, 9vh);
  max-width: min(640px, 54vw);
}
.gdri__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #3DC6C7;
  margin-bottom: 1.1rem;
}
.gdri__eyebrow::before { content: ''; width: 28px; height: 2px; background: #3DC6C7; }
.gdri__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.6rem, 5.2vw, 4.6rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -.01em;
  color: #fff;
  margin: 0 0 1.6rem;
}
.gdri__title span { color: #3DC6C7; }
.gdri__cue {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
}
.gdri__cue i {
  position: relative;
  width: 2px;
  height: 40px;
  background: rgba(255, 255, 255, .16);
  overflow: hidden;
}
.gdri__cue i::after {
  content: '';
  position: absolute;
  left: 0;
  top: -45%;
  width: 2px;
  height: 45%;
  background: #3DC6C7;
  animation: gdri-cue 1.8s cubic-bezier(.6, 0, .4, 1) infinite;
}
@keyframes gdri-cue { to { top: 100%; } }

.gdri__steps {
  position: absolute;
  right: 5vw;
  top: 50%;
  transform: translateY(-50%);
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.gdri__steps li {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .3);
  transition: color .35s;
}
.gdri__steps li b { font-weight: 800; font-variant-numeric: tabular-nums; }
.gdri__steps li::before {
  content: '';
  order: -1;
  width: 0;
  height: 2px;
  background: #3DC6C7;
  transition: width .4s cubic-bezier(.2, .8, .2, 1);
}
.gdri__steps li.is-done { color: rgba(61, 198, 199, .55); }
.gdri__steps li.is-on { color: #fff; }
.gdri__steps li.is-on::before { width: 40px; }

.gdri__caps { position: absolute; left: 5vw; bottom: var(--gdri-safe, 9vh); width: min(560px, 60vw); height: 6rem; }
.gdri__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.12;
  color: #fff;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .4s ease, transform .4s ease;
}
.gdri__cap small {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #3DC6C7;
  margin-bottom: .55rem;
}
.gdri__cap.is-on { opacity: 1; transform: none; }

.gdri__read {
  position: absolute;
  right: 5vw;
  bottom: var(--gdri-safe, 9vh);
  display: flex;
  gap: 2.4rem;
  margin: 0;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .4s ease, transform .4s ease;
}
.gdri__read.is-on { opacity: 1; transform: none; }
.gdri__read div { display: flex; flex-direction: column; gap: 4px; }
.gdri__read dt {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
}
.gdri__read dd {
  margin: 0;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: #3DC6C7;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.gdri__read dd small { font-size: .95rem; font-weight: 600; color: rgba(255, 255, 255, .6); margin-left: 4px; }

.gdri__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: var(--gdri-bar, 0px);
  height: 3px;
  background: rgba(255, 255, 255, .07);
}
.gdri__progress i {
  display: block;
  width: 100%;
  height: 100%;
  background: #3DC6C7;
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.gdri-on .gdri__skip {
  display: block;
  position: absolute;
  right: 5vw;
  top: 22px;
  z-index: 6;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .8);
  background: rgba(10, 17, 48, .35);
  border: 1.5px solid rgba(255, 255, 255, .3);
  border-radius: 4px;
  padding: 9px 18px;
  cursor: pointer;
  transition: border-color .2s, color .2s, opacity .3s;
}
.gdri-on .gdri__skip:hover,
.gdri-on .gdri__skip:focus-visible { border-color: #3DC6C7; color: #3DC6C7; outline: none; }

/* Giriş tamamlandı: sahne katmanları devreden çıkar, hero tıklanabilir */
.gdri-done .gdri__gl,
.gdri-done .gdri__hud,
.gdri-done .gdri__skip { visibility: hidden; }

@media (max-width: 768px) {
  .gdri-on .gdri { height: calc(100svh + 330svh); }
  .gdri-on .gdri__stage { top: 0; height: 100svh; }
  .gdri__intro { left: 6vw; right: 6vw; bottom: var(--gdri-safe, 8svh); max-width: none; }
  .gdri__title { font-size: clamp(2.3rem, 10.5vw, 3.2rem); margin-bottom: 1.2rem; }
  .gdri__steps {
    right: auto;
    left: 6vw;
    top: 20px;
    transform: none;
    flex-direction: row;
    gap: 12px;
  }
  .gdri__steps li { gap: 6px; font-size: .85rem; }
  .gdri__steps li::before { display: none; }
  .gdri__steps li span { display: none; }
  .gdri__steps li.is-on span { display: inline; }
  .gdri__caps { left: 6vw; right: 6vw; width: auto; bottom: calc(var(--gdri-safe, 8svh) + 8svh); }
  .gdri__cap { font-size: 1.45rem; }
  .gdri__read { left: 6vw; right: 6vw; bottom: var(--gdri-safe, 8svh); gap: 1rem; justify-content: space-between; }
  .gdri__read dd { font-size: 1.45rem; }
  .gdri-on .gdri__skip { top: 14px; right: 6vw; padding: 7px 12px; font-size: .78rem; }
}

/* ---------- G-code paneli (işleme bölümünde) ---------- */
.gdri__nc {
  position: absolute;
  left: 5vw;
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
  padding: 16px 18px;
  background: linear-gradient(180deg, rgba(10,17,48,.72), rgba(10,17,48,.5));
  border: 1px solid rgba(61,198,199,.28);
  border-radius: 6px;
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s ease, visibility 0s linear .45s;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.gdri__nc.is-on { opacity: 1; visibility: visible; transition-delay: 0s; }
.gdri__nc-h {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #3DC6C7;
  padding: 0 0 7px;
  border-bottom: 1px solid rgba(61, 198, 199, .3);
  margin-bottom: 8px;
}
.gdri__nc-b {
  position: relative;
  height: 210px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 18%, #000 72%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 18%, #000 72%, transparent);
}
.gdri__nc-i { transition: transform .28s cubic-bezier(.3, .8, .3, 1); }
.gdri__nc-i div {
  height: 21px;
  line-height: 21px;
  font-size: 13px;
  white-space: nowrap;
  color: rgba(255, 255, 255, .34);
  transition: color .2s;
}
.gdri__nc-i div.is-on { color: #7ff3f3; font-weight: 700; }
.gdri__nc-i div.is-on::before { content: '\25B8 '; color: #3DC6C7; }

@media (max-width: 768px) {
  .gdri__nc {
    left: 6vw;
    right: 6vw;
    top: 54px;
    padding: 10px 12px;
    transform: none;
    width: auto;
  }
  .gdri__nc-h { font-size: .68rem; padding-bottom: 4px; margin-bottom: 4px; }
  .gdri__nc-b { height: 42px; -webkit-mask-image: none; mask-image: none; }
  .gdri__nc-i div { font-size: 11.5px; height: 21px; line-height: 21px; }
}

/* ---------- Tolerans rozeti (ölçüm sonu) ---------- */
.gdri__badge {
  position: absolute;
  left: 50%;
  top: 46%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px 14px 20px;
  border: 1.5px solid rgba(61, 198, 199, .55);
  border-radius: 999px;
  background: rgba(10, 17, 48, .82);
  backdrop-filter: blur(4px);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -50%) scale(.94);
  transition: opacity .4s ease, transform .4s cubic-bezier(.2, .9, .3, 1), visibility 0s linear .4s;
}
.gdri__badge.is-on { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); transition-delay: 0s; }
.gdri__badge svg { width: 22px; height: 22px; fill: none; stroke: #3DC6C7; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.gdri__badge b {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .02em;
}
.gdri__badge span {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #3DC6C7;
}
@media (max-width: 768px) {
  .gdri__badge { top: 42%; padding: 11px 18px 11px 14px; gap: 8px; }
  .gdri__badge b { font-size: 1.2rem; }
  .gdri__badge span { font-size: .64rem; letter-spacing: .1em; }
}
