:root {
  --bg: #070b14;
  --text: #f4f7fb;
  --muted: #b4c0d1;
  --muted-2: #8794a8;
  --line: rgba(255, 255, 255, 0.08);

  /* EnerjiMetre tarafi */
  --em-bg: #070b14;
  --em-accent: #3ee0ff;
  --em-accent-2: #4aa8ff;
  --em-glow: rgba(62, 224, 255, 0.35);

  /* XReverse tarafi */
  --xr-bg: #06090c;
  --xr-accent: #e2b45a;
  --xr-accent-2: #f0cf8a;
  --xr-glow: rgba(226, 180, 90, 0.35);
  --xr-board: rgba(28, 74, 52, 0.55);

  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --seam: 90px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ====================== KAPI SAYFASI ====================== */

.gate {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

/* Ust marka bandi */
.brand-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 26px 24px 0;
  pointer-events: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  pointer-events: auto;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(7, 11, 20, 0.8);
  border: 1px solid var(--line);
}

.brand img {
  display: block;
  height: 30px;
  width: 78px;
  object-fit: cover;
  object-position: center;
  filter: invert(1) brightness(1.1);
}

.brand-tag {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  border-left: 1px solid var(--line);
  padding-left: 14px;
}

/* Iki yarim */
.split {
  flex: 1;
  display: flex;
  min-height: 100vh;
  min-height: 100svh;
  position: relative;
}

.pane {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  isolation: isolate;
  contain: paint;
  transition: flex 0.7s var(--ease);
}

.pane-xr { background: var(--xr-bg); }
.pane-em { background: var(--em-bg); }

/* Egik dikis: sol panel sagdan biraz tasar ve kesilir */
.pane-xr {
  margin-right: calc(var(--seam) * -1);
  padding-right: var(--seam);
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--seam)) 100%, 0 100%);
  z-index: 2;
}

.pane-em { z-index: 1; padding-left: calc(var(--seam) * 0.35); }

/* "Aç gözlü" davranis: uzerine gelinen taraf buyur */
.split:hover .pane { flex: 0.82 1 0; }
.split:hover .pane:hover { flex: 1.36 1 0; }
.split:focus-within .pane { flex: 0.82 1 0; }
.split:focus-within .pane:focus-visible { flex: 1.36 1 0; outline: none; }

/* ---------- arka plan katmanlari ---------- */
.pane-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
  transform: translateZ(0);
  will-change: opacity;
  backface-visibility: hidden;
}

.bg-video.is-ready { opacity: 1; }

/* Tonlama videonun icine islendi; CSS filtre ve olcek donusumu yok */
.pane-xr .bg-video { object-position: 55% 50%; }
.pane-xr .bg-video.is-ready { opacity: 0.62; }
.pane-xr:hover .bg-video.is-ready { opacity: 0.88; }

.pane-em .bg-video { object-position: 50% 45%; }
.pane-em .bg-video.is-ready { opacity: 0.42; }
.pane-em:hover .bg-video.is-ready { opacity: 0.62; }

/* Video uzerine ton katmani */
.pane-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.pane-xr .pane-tint {
  background:
    radial-gradient(70% 80% at 40% 50%, transparent 30%, rgba(6, 9, 12, 0.75) 100%),
    linear-gradient(180deg, rgba(6, 9, 12, 0.6) 0%, transparent 30%, transparent 70%, rgba(6, 9, 12, 0.85) 100%),
    var(--xr-board);
}

.pane-em .pane-tint {
  background:
    radial-gradient(60% 70% at 55% 50%, transparent 25%, rgba(7, 11, 20, 0.7) 100%),
    linear-gradient(180deg, rgba(7, 11, 20, 0.75) 0%, transparent 32%, transparent 68%, rgba(7, 11, 20, 0.9) 100%),
    radial-gradient(50% 45% at 55% 48%, rgba(62, 224, 255, 0.16), transparent 70%);
}

/* PCB izgarasi */
.pane-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(226, 180, 90, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 180, 90, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(226, 180, 90, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 180, 90, 0.035) 1px, transparent 1px);
  background-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
  mask-image: radial-gradient(75% 85% at 45% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 85% at 45% 50%, #000 30%, transparent 100%);
  opacity: 0.85;
  transition: opacity 0.6s ease;
}

.pane-xr:hover .pane-grid { opacity: 1; }

/* EnerjiMetre tarafinda ince olcek izgarasi */
.pane-em .pane-grid {
  background-image:
    linear-gradient(rgba(62, 224, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 224, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px;
  mask-image: radial-gradient(70% 80% at 55% 50%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 80% at 55% 50%, #000 20%, transparent 100%);
  opacity: 0.6;
}

/* ---------- PCB iz animasyonu: canvas, 20 kare/sn, dusuk cozunurluk ---------- */
.pcb {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.9;
  transition: opacity 0.6s ease;
}

/* EnerjiMetre tarafi: enerji dalgasi (canvas) */
.wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18%;
  z-index: 3;
  height: 140px;
  width: 100%;
  pointer-events: none;
  opacity: 0.55;
}

/* ---------- icerik ---------- */
.pane-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 120px 40px 90px;
  width: 100%;
  max-width: 560px;
  transform: translateY(0);
  transition: transform 0.7s var(--ease);
}

.pane:hover .pane-content { transform: translateY(-6px); }

.pane-badge {
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted-2);
  margin-bottom: 26px;
  background: rgba(0, 0, 0, 0.25);
}

.pane-xr .pane-badge { border-color: rgba(226, 180, 90, 0.35); color: var(--xr-accent); }
.pane-em .pane-badge { border-color: rgba(94, 224, 168, 0.4); color: #5ee0a8; }

/* Dev filigran: X isareti izlerin arkasinda, hafif nefes alir */
.xr-watermark {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: min(78vh, 92%);
  height: auto;
  transform: translate(-54%, -52%) rotate(-4deg);
  opacity: 0.11;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.pane-xr:hover .xr-watermark { opacity: 0.16; }

.xr-wordmark {
  width: clamp(262px, 29.5vw, 415px);
  height: auto;
  margin-bottom: 18px;
}

/* Hata ayiklama: ?static ile animasyonlar bitmis halde donar */
.is-static .bg-video { opacity: 0.6; }

.em-title {
  margin: 0 0 8px;
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--text);
  text-shadow: 0 0 30px rgba(62, 224, 255, 0.25);
}

.em-title span { color: var(--em-accent); }

.pane-sub {
  margin: 0 0 16px;
  font-size: 0.76rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.pane-xr .pane-sub { color: var(--xr-accent); }
.pane-em .pane-sub { color: var(--em-accent); }

.pane-desc {
  margin: 0 0 30px;
  max-width: 40ch;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.65;
  color: var(--muted);
}

/* Canli deger cipi (EnerjiMetre) */
.live-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 30px;
  padding: 10px 18px;
  border-radius: 12px;
  border: 1px solid rgba(62, 224, 255, 0.22);
  background: rgba(7, 11, 20, 0.8);
  font-variant-numeric: tabular-nums;
  contain: layout paint;
}

.live-chip .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5ee0a8;
  box-shadow: 0 0 10px #5ee0a8;
  align-self: center;
  animation: blink 1.6s ease-in-out infinite;
}

.live-chip .val { font-size: 1.5rem; font-weight: 700; color: var(--em-accent); }
.live-chip .unit { font-size: 0.8rem; color: var(--muted-2); letter-spacing: 0.08em; }

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.pane-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), box-shadow 0.35s ease, background 0.35s ease;
}

.pane-cta svg { width: 18px; height: 18px; transition: transform 0.35s var(--ease); }
.pane:hover .pane-cta svg { transform: translateX(5px); }

.pane-xr .pane-cta {
  color: #1a1206;
  background: linear-gradient(135deg, var(--xr-accent-2), var(--xr-accent));
  box-shadow: 0 10px 30px rgba(226, 180, 90, 0.25);
}
.pane-xr:hover .pane-cta { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(226, 180, 90, 0.38); }

.pane-em .pane-cta {
  color: #041018;
  background: linear-gradient(135deg, var(--em-accent), var(--em-accent-2));
  box-shadow: 0 10px 30px rgba(62, 224, 255, 0.25);
}
.pane-em:hover .pane-cta { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(62, 224, 255, 0.38); }

/* Kenar isigi (uzerine gelince) */
.pane::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.pane-xr::after { background: radial-gradient(80% 80% at 50% 50%, transparent 55%, rgba(226, 180, 90, 0.14) 100%); }
.pane-em::after { background: radial-gradient(80% 80% at 50% 50%, transparent 55%, rgba(62, 224, 255, 0.14) 100%); }
.pane:hover::after { opacity: 1; }

/* Sekme arka plandayken: her sey durur */
.is-paused *,
.is-paused *::before,
.is-paused *::after { animation-play-state: paused !important; }

/* Teshis anahtarlari (?no=...) */
.no-video .bg-video { display: none; }
.no-traces .pcb { display: none; }
.no-grid .pane-grid { display: none; }
.no-watermark .xr-watermark { display: none; }
.no-wave .wave { display: none; }
.no-tint .pane-tint { display: none; }

/* Hafif mod: yavas makinede otomatik. Parlama, isik darbeleri ve izgara kapanir,
   izler ve videolar kalir. */
.is-lite .pane-grid { display: none; }
.is-lite .xr-watermark { opacity: 0.08; }
.is-lite .pane, .is-lite .pane-content, .is-lite .bg-video { transition: none; }

/* Alt bant */
.gate-foot {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: 22px;
  padding: 0 24px 18px;
  font-size: 0.78rem;
  color: var(--muted-2);
  pointer-events: none;
}

.gate-foot span, .gate-foot a { pointer-events: auto; }
.gate-foot a { color: var(--muted); text-decoration: none; }
.gate-foot a:hover { color: var(--text); }

/* ---------- mobil ---------- */
@media (max-width: 880px) {
  .split { flex-direction: column; }
  .pane { min-height: 58vh; flex: 1 1 auto !important; }
  .pane-xr {
    margin-right: 0;
    padding-right: 0;
    margin-bottom: -50px;
    padding-bottom: 50px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 50px), 0 100%);
  }
  .pane-em { padding-left: 0; padding-top: 30px; }
  .pane-content { padding: 110px 26px 70px; }
  .brand-bar { padding-top: 18px; }
  .gate-foot { position: static; padding: 18px 20px 22px; flex-wrap: wrap; row-gap: 6px; }
  .xr-wordmark { width: min(286px, 80vw); }
  .xr-watermark { width: 120vw; opacity: 0.09; }
  .brand-tag { display: none; }
  .brand { padding: 8px 14px; }
  .pcb .chip-label { display: none; }
  .pane-desc { max-width: 100%; }
}

/* Hareket azaltma yalnizca sayfa isterse */
[data-motion="reduce"] *,
[data-motion="reduce"] *::before,
[data-motion="reduce"] *::after {
  animation: none !important;
  transition: none !important;
}

/* ====================== YARDIMCI SAYFA (xreverse/) ====================== */
.masthead { padding: 34px 0 0; position: relative; z-index: 1; }
.shell { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.intro { display: flex; flex-direction: column; justify-content: center; padding: 56px 0 72px; min-height: 60vh; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 0.74rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--xr-accent); margin: 0 0 18px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--xr-accent); }
.intro h1 { margin: 0 0 18px; font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; text-transform: uppercase; }
.intro h1 span { color: var(--xr-accent); }
.intro p { margin: 0; max-width: 60ch; font-size: clamp(1rem, 1.5vw, 1.12rem); line-height: 1.65; color: var(--muted); }
.card-go { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; color: var(--xr-accent); text-decoration: none; }
.card-go svg { width: 17px; height: 17px; }
.footer { border-top: 1px solid var(--line); padding: 22px 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: center; justify-content: space-between; font-size: 0.86rem; color: var(--muted-2); }
.footer a { color: var(--muted); text-decoration: none; }
.footer a:hover { color: var(--xr-accent); }
.masthead .brand { position: static; background: transparent; border: 0; padding: 0; backdrop-filter: none; }