:root {
  --bg: #060b14;
  --bg-card: #0c1220;
  --bg-elev: #111827;
  --text: #f1f5f9;
  --text-dim: #94a3b8;
  --text-mute: #64748b;
  --accent: #00d4ff;
  --accent-2: #00a8cc;
  --glow: rgba(0, 212, 255, 0.4);
  --glow-soft: rgba(0, 212, 255, 0.15);
  --border: rgba(255,255,255,0.06);
  --font-head: 'Syne', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* ----- Arka plan katmanları ----- */
.noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* ----- Kavisli kablo çizgileri – SVG path (site geneli) ----- */
.voltage-cables-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.voltage-cables-bg .cable-svg {
  position: absolute;
  overflow: visible;
}

.voltage-cables-bg .cable-path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.voltage-cables-bg .cable-bg {
  stroke: rgba(0, 212, 255, 0.12);
  stroke-width: 2.5px;
}

.voltage-cables-bg .cable-flow {
  stroke: var(--accent);
  stroke-width: 3px;
  stroke-dasharray: 12 88;
  stroke-dashoffset: 100;
  animation: cableFlowAlong 2.2s linear infinite;
  filter: drop-shadow(0 0 6px var(--glow-soft));
}

.cable-glob-1 { width: 38%; height: 100px; top: 10%; left: -2%; transform: rotate(-3deg); }
.cable-glob-2 { width: 32%; height: 110px; top: 20%; right: -2%; transform: rotate(4deg); }
.cable-glob-3 { width: 45%; height: 120px; bottom: 32%; left: -3%; transform: rotate(2deg); }
.cable-glob-4 { width: 35%; height: 100px; bottom: 15%; right: -2%; transform: rotate(-5deg); }
.cable-glob-5 { width: 90px; height: 280px; top: 42%; left: 5%; transform: rotate(2deg); }
.cable-glob-6 { width: 85px; height: 260px; top: 52%; right: 6%; transform: rotate(-3deg); }
.cable-glob-7 { width: 48%; height: 85px; bottom: 22%; left: 22%; transform: rotate(1deg); }
.cable-glob-8 { width: 40%; height: 90px; top: 30%; right: 12%; transform: rotate(-4deg); }

.cable-glob-1 .cable-flow { animation-delay: 0s; }
.cable-glob-2 .cable-flow { animation-delay: 0.35s; }
.cable-glob-3 .cable-flow { animation-delay: 0.7s; }
.cable-glob-4 .cable-flow { animation-delay: 0.2s; }
.cable-glob-5 .cable-flow { animation-delay: 0.5s; }
.cable-glob-6 .cable-flow { animation-delay: 0.9s; }
.cable-glob-7 .cable-flow { animation-delay: 0.25s; }
.cable-glob-8 .cable-flow { animation-delay: 0.55s; }

@keyframes cableFlowAlong {
  to { stroke-dashoffset: 0; }
}

/* Yüzen küreler */
.floating-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--glow-soft) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  animation: orbFloat1 15s var(--ease-in-out) infinite;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--glow-soft) 0%, transparent 70%);
  bottom: 20%;
  left: -80px;
  animation: orbFloat2 18s var(--ease-in-out) infinite;
}

.orb-3 {
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0,212,255,0.2) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  animation: orbFloat3 12s var(--ease-in-out) infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-30px, 40px) scale(1.1); }
  66% { transform: translate(20px, -30px) scale(0.95); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, -50px); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.4; }
  50% { transform: translate(-50%, -55%) scale(1.2); opacity: 0.6; }
}

/* Yüzen şekiller */
.floating-shapes {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.shape {
  position: absolute;
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 4px;
}

.shape-1 { width: 20px; height: 20px; top: 15%; left: 10%; animation: shapeFloat 8s ease-in-out infinite; }
.shape-2 { width: 12px; height: 12px; top: 25%; right: 15%; animation: shapeFloat 10s 1s ease-in-out infinite; }
.shape-3 { width: 30px; height: 30px; bottom: 30%; left: 20%; animation: shapeFloat 12s 2s ease-in-out infinite; }
.shape-4 { width: 16px; height: 16px; bottom: 20%; right: 25%; animation: shapeFloat 9s 0.5s ease-in-out infinite; }
.shape-5 { width: 8px; height: 8px; top: 60%; left: 5%; animation: shapeFloat 11s 1.5s ease-in-out infinite; }
.shape-6 { width: 24px; height: 24px; top: 40%; right: 8%; animation: shapeFloat 7s 2.5s ease-in-out infinite; }

@keyframes shapeFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 0.6; }
  25% { transform: translate(15px, -20px) rotate(90deg); opacity: 1; }
  50% { transform: translate(-10px, 10px) rotate(180deg); opacity: 0.7; }
  75% { transform: translate(-20px, -15px) rotate(270deg); opacity: 0.9; }
}

/* ----- Header ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(6, 11, 20, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease-out), background 0.4s var(--ease-out);
}

.header.scrolled {
  background: rgba(6, 11, 20, 0.95);
  border-color: var(--border);
}

/* Yatay yerleşim: Bootstrap .container (head'de bootstrap.min.css) */

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  min-width: 0;
}

/* Masaüstü: logo | nav | dil | hamburger alanı */
.header-brand {
  flex-shrink: 0;
}

.header-lang,
.header-burger {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 170px;
  height: 46px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  box-shadow: 0 0 30px var(--glow-soft);
  animation: logoPulse 3s ease-in-out infinite;
}

.logo-icon.has-image {
  background: transparent;
  box-shadow: none;
  animation: none;
}

.logo-icon.has-image .logo-img {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  object-fit: contain;
  display: block;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 0 30px var(--glow-soft); transform: scale(1); }
  50% { box-shadow: 0 0 50px var(--glow); transform: scale(1.02); }
}

.logo-accent { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex: 1 1 auto;
  min-width: 0;
}

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s, transform 0.3s;
}

.nav a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-nav {
  padding: 10px 22px;
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.btn-nav:hover {
  background: var(--glow-soft);
  box-shadow: 0 0 25px var(--glow-soft);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.lang-switcher {
  position: relative;
  z-index: 110;
}

.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(12, 18, 32, 0.75);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  transition: border-color 0.2s, background 0.2s;
}

.lang-trigger:hover {
  border-color: rgba(0, 212, 255, 0.45);
  background: rgba(12, 18, 32, 0.95);
}

.lang-caret {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0.8;
}

.lang-switcher.open .lang-caret {
  transform: rotate(-135deg) translateY(-1px);
}

.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 140px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(12, 18, 32, 0.97);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.lang-switcher.open .lang-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background 0.2s, color 0.2s;
}

.lang-option:hover {
  background: rgba(0, 212, 255, 0.08);
  color: var(--text);
}

.lang-option.is-active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.12);
}

/* ----- Hero ----- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* Yatay boşluk .container (Bootstrap) ile */
  padding: 120px 0 80px;
  position: relative;
  z-index: 1;
}

.hero-bg-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg-lines .line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.2), transparent);
  animation: lineFlow 4s linear infinite;
}

.line-1 { top: 20%; left: 0; width: 100%; animation-delay: 0s; }
.line-2 { top: 40%; left: 0; width: 100%; animation-delay: 0.8s; }
.line-3 { top: 60%; left: 0; width: 100%; animation-delay: 1.6s; }
.line-4 { top: 80%; left: 0; width: 100%; animation-delay: 2.4s; }
.line-5 { top: 50%; left: -100%; width: 60%; animation: lineFlowFast 3s linear infinite; }

@keyframes lineFlow {
  0% { opacity: 0; transform: translateX(-20%); }
  50% { opacity: 0.8; }
  100% { opacity: 0; transform: translateX(120%); }
}

@keyframes lineFlowFast {
  0% { transform: translateX(0); }
  100% { transform: translateX(400%); }
}

/* Hero: kavisli kablo ağı – daha belirgin SVG kablolar */
.hero-voltage-cables {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

.hero-voltage-cables .cable-svg {
  position: absolute;
  overflow: visible;
}

.hero-voltage-cables .cable-path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-voltage-cables .cable-bg {
  stroke: rgba(0, 212, 255, 0.18);
  stroke-width: 3px;
}

.hero-voltage-cables .cable-flow {
  stroke: var(--accent);
  stroke-width: 4px;
  stroke-dasharray: 14 86;
  stroke-dashoffset: 100;
  animation: cableFlowAlong 1.7s linear infinite;
  filter: drop-shadow(0 0 10px var(--glow-soft)) drop-shadow(0 0 20px rgba(0,212,255,0.25));
}

.hero-cable-1 { width: 48%; height: 110px; top: 12%; left: -1%; transform: rotate(-2deg); }
.hero-cable-2 { width: 44%; height: 115px; top: 22%; right: -1%; transform: rotate(3deg); }
.hero-cable-3 { width: 52%; height: 125px; bottom: 28%; left: -2%; transform: rotate(2deg); }
.hero-cable-4 { width: 46%; height: 108px; bottom: 18%; right: -1%; transform: rotate(-3deg); }
.hero-cable-5 { width: 42%; height: 88px; top: 48%; left: 0; transform: rotate(-1deg); }
.hero-cable-6 { width: 40%; height: 95px; top: 58%; right: 0; transform: rotate(2deg); }
.hero-cable-7 { width: 75px; height: 320px; top: 5%; left: 18%; transform: rotate(1deg); }
.hero-cable-8 { width: 70px; height: 300px; bottom: 8%; right: 22%; transform: rotate(-2deg); }
.hero-cable-9 { width: 36%; height: 85px; top: 36%; right: 0; transform: rotate(-5deg); }

.hero-cable-1 .cable-flow { animation-delay: 0s; }
.hero-cable-2 .cable-flow { animation-delay: 0.2s; }
.hero-cable-3 .cable-flow { animation-delay: 0.45s; }
.hero-cable-4 .cable-flow { animation-delay: 0.1s; }
.hero-cable-5 .cable-flow { animation-delay: 0.35s; }
.hero-cable-6 .cable-flow { animation-delay: 0.6s; }
.hero-cable-7 .cable-flow { animation-delay: 0.05s; }
.hero-cable-8 .cable-flow { animation-delay: 0.3s; }
.hero-cable-9 .cable-flow { animation-delay: 0.5s; }

.hero-cable-mock {
  position: absolute;
  right: 15%;
  top: 50%;
  transform: translateY(-50%);
  width: 180px;
  height: 100px;
  pointer-events: none;
}

/* Sağdaki dekor tablet/laptop bandında metni optik olarak sağa itiyor */
@media (min-width: 769px) and (max-width: 1366px) {
  .hero-cable-mock {
    display: none;
  }
}

.wire {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent));
  border-radius: 2px;
  animation: wirePulse 2s ease-in-out infinite;
}

.wire-1 { top: 10px; left: 0; width: 120px; animation-delay: 0s; }
.wire-2 { top: 35px; left: 0; width: 140px; animation-delay: 0.2s; }
.wire-3 { top: 60px; left: 0; width: 100px; animation-delay: 0.4s; }
.wire-4 { top: 85px; left: 0; width: 130px; animation-delay: 0.6s; }

.connector {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 80px;
  border: 2px solid var(--accent);
  border-radius: 4px;
  box-shadow: 0 0 20px var(--glow-soft);
  animation: connectorGlow 2s ease-in-out infinite;
}

@keyframes wirePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; box-shadow: 0 0 15px var(--glow-soft); }
}

@keyframes connectorGlow {
  0%, 100% { box-shadow: 0 0 20px var(--glow-soft); }
  50% { box-shadow: 0 0 35px var(--glow); }
}

.hero-inner {
  text-align: center;
  position: relative;
  z-index: 2;
  width: 100%;
  box-sizing: border-box;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  opacity: 0;
}

.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.title-line { display: block; overflow: hidden; }

.hero-title .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  animation: wordReveal 0.9s var(--ease-out) forwards;
}

.hero-title .title-line:nth-child(1) .word:nth-child(1) { animation-delay: 0.2s; }
.hero-title .title-line:nth-child(1) .word:nth-child(2) { animation-delay: 0.35s; }
.hero-title .title-line:nth-child(2) .word:nth-child(1) { animation-delay: 0.5s; }
.hero-title .title-line:nth-child(2) .word:nth-child(2) { animation-delay: 0.65s; }
.hero-title .title-line:nth-child(2) .word:nth-child(3) { animation-delay: 0.8s; }

@keyframes wordReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 40px;
  opacity: 0;
}

.btn-hero {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  opacity: 0;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.btn-hero:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 15px 50px var(--glow);
}

.btn-glow {
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 14px;
  filter: blur(20px);
  opacity: 0.6;
  z-index: -1;
  animation: btnGlow 2.5s ease-in-out infinite;
}

@keyframes btnGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-mute);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.scroll-dot {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.scroll-dot::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { top: 8px; opacity: 1; }
  50% { top: 22px; opacity: 0.2; }
}

/* animate-in: sayfa yüklenince */
.animate-in {
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

.hero-badge { animation-delay: 0.1s; }
.hero-sub { animation-delay: 0.9s; }
.hero-inner .btn-hero { animation-delay: 1.1s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----- Sections genel ----- */
.section {
  padding: 120px 0;
  position: relative;
  z-index: 1;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.section-head.visible {
  opacity: 1;
  transform: translateY(0);
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
}

/* animate-block: scroll'da görününce */
.animate-block {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.animate-block.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Product ----- */
.product-section { background: var(--bg-card); }

.product-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.product-visual {
  transition-delay: 0.1s;
}

.device-frame {
  display: flex;
  flex-direction: column;
  aspect-ratio: 4/3;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}

.device-screen {
  flex: 1 1 0;
  min-height: 140px;
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}

.device-scan-readout {
  flex: 0 0 auto;
  margin-top: 12px;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(0, 212, 255, 0.18);
  background: rgba(0, 0, 0, 0.35);
  font-family: ui-monospace, 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-align: center;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.04);
}

.screen-scan {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanLine 3s linear infinite;
}

.screen-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.06) 1px, transparent 1px);
  background-size: 20px 20px;
}

.device-base {
  flex: 0 0 auto;
  margin-top: 14px;
  align-self: center;
  width: 80%;
  height: 48px;
  max-height: 15%;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
}

@keyframes scanLine {
  0% { top: 0; }
  100% { top: 100%; }
}

.product-copy {
  transition-delay: 0.2s;
}

.product-lead {
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: 20px;
  line-height: 1.7;
}

.product-copy p {
  color: var(--text-dim);
  margin-bottom: 24px;
}

.product-checks {
  list-style: none;
}

.product-checks li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-dim);
  margin-bottom: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), color 0.3s;
}

.product-checks li.visible {
  opacity: 1;
  transform: translateX(0);
}

.product-checks li:nth-child(1) { transition-delay: 0.3s; }
.product-checks li:nth-child(2) { transition-delay: 0.45s; }
.product-checks li:nth-child(3) { transition-delay: 0.6s; }

.product-checks li:hover { color: var(--text); }

.check-icon {
  width: 22px;
  height: 22px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.check-icon::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid var(--accent);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  animation: checkPop 0.5s var(--ease-out) backwards;
}

.product-checks li.visible .check-icon::after { animation-delay: 0.2s; animation-fill-mode: forwards; }

@keyframes checkPop {
  from { transform: rotate(45deg) scale(0); opacity: 0; }
  to { transform: rotate(45deg) scale(1); opacity: 1; }
}

/* ----- Features ----- */
.features-section { background: var(--bg); }

.features-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.feat-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feat-card[data-direction="left"] { transform: translateX(-60px); }
.feat-card[data-direction="left"].visible { transform: translateX(0); }
.feat-card[data-direction="right"] { transform: translateX(60px); }
.feat-card[data-direction="right"].visible { transform: translateX(0); }

.feat-card:hover {
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 40px var(--glow-soft);
  transform: translateY(-8px) scale(1.02);
}

.feat-icon-wrap {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glow-soft);
  border-radius: 12px;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 1.5rem;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
}

.feat-card:hover .feat-icon-wrap {
  transform: rotate(10deg) scale(1.1);
  box-shadow: 0 0 30px var(--glow-soft);
}

.feat-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.feat-card p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* Stagger */
.feat-card:nth-child(1) { transition-delay: 0.05s; }
.feat-card:nth-child(2) { transition-delay: 0.1s; }
.feat-card:nth-child(3) { transition-delay: 0.15s; }
.feat-card:nth-child(4) { transition-delay: 0.2s; }
.feat-card:nth-child(5) { transition-delay: 0.25s; }

/* ----- Steps ----- */
.steps-section { background: var(--bg-card); }

.steps-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: stretch;
  gap: 16px;
}

.step-box {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  opacity: 0;
  transform: scale(0.8) translateY(30px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}

.step-box.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.step-box:hover {
  border-color: rgba(0,212,255,0.3);
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.step-num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1;
  opacity: 0.9;
}

.step-num .num {
  display: inline-block;
  animation: numPulse 2s ease-in-out infinite;
}

.step-box:nth-child(1) .num { animation-delay: 0s; }
.step-box:nth-child(3) .num { animation-delay: 0.2s; }
.step-box:nth-child(5) .num { animation-delay: 0.4s; }
.step-box:nth-child(7) .num { animation-delay: 0.6s; }

@keyframes numPulse {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.step-box h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.step-box p {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.step-arrow {
  width: 30px;
  align-self: center;
  background: linear-gradient(90deg, var(--border), transparent);
  height: 2px;
  position: relative;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 0.5s, transform 0.5s var(--ease-out);
}

.step-arrow.visible {
  opacity: 0.6;
  transform: scaleX(1);
}

.step-arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--accent);
  border-right: none;
  animation: arrowPulse 1.5s ease-in-out infinite;
}

@keyframes arrowPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.step-box:nth-child(1) { transition-delay: 0s; }
.step-box:nth-child(3) { transition-delay: 0.1s; }
.step-box:nth-child(5) { transition-delay: 0.2s; }
.step-box:nth-child(7) { transition-delay: 0.3s; }
.step-arrow:nth-child(2) { transition-delay: 0.15s; }
.step-arrow:nth-child(4) { transition-delay: 0.25s; }
.step-arrow:nth-child(6) { transition-delay: 0.35s; }

/* ----- Industries ----- */
.industries-section { background: var(--bg); }

.industry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ind-card {
  background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-elev) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), border-color 0.3s, box-shadow 0.3s;
}

.ind-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.ind-card[data-direction="left"] { transform: translateX(-80px); }
.ind-card[data-direction="left"].visible { transform: translateX(0); }
.ind-card[data-direction="right"] { transform: translateX(80px); }
.ind-card[data-direction="right"].visible { transform: translateX(0); }

.ind-card:hover {
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 25px 60px rgba(0,0,0,0.25);
  transform: translateY(-6px) rotateX(2deg);
}

.ind-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.9;
  display: inline-block;
  animation: iconFloat 4s ease-in-out infinite;
}

.ind-card:nth-child(2) .ind-icon { animation-delay: 0.5s; }
.ind-card:nth-child(3) .ind-icon { animation-delay: 1s; }

@keyframes iconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.ind-card h3 { font-size: 1.15rem; margin-bottom: 12px; }
.ind-card p { color: var(--text-dim); font-size: 0.95rem; }

.ind-card:nth-child(1) { transition-delay: 0.05s; }
.ind-card:nth-child(2) { transition-delay: 0.15s; }
.ind-card:nth-child(3) { transition-delay: 0.25s; }

/* ----- Benefits ----- */
.benefits-section { background: var(--bg-card); }

.benefits-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.benefit-item {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 32px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out), border-color 0.3s;
}

.benefit-item.visible {
  opacity: 1;
  transform: translateY(0);
}

.benefit-item:hover {
  border-color: rgba(0,212,255,0.3);
}

.benefit-check {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glow-soft);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.benefit-check .tick {
  width: 14px;
  height: 24px;
  border: solid var(--accent);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg) scale(0);
  margin-bottom: 6px;
  margin-left: 4px;
  animation: tickIn 0.6s var(--ease-out) forwards;
}

.benefit-item.visible .benefit-check .tick {
  animation-delay: 0.3s;
  animation-fill-mode: forwards;
}

@keyframes tickIn {
  to { transform: rotate(45deg) scale(1); }
}

.benefit-item h3 { font-size: 1.15rem; margin-bottom: 12px; }
.benefit-item p { color: var(--text-dim); font-size: 0.95rem; }

.benefit-item:nth-child(1) { transition-delay: 0s; }
.benefit-item:nth-child(2) { transition-delay: 0.1s; }
.benefit-item:nth-child(3) { transition-delay: 0.2s; }

/* ----- Specs ----- */
.specs-section { background: var(--bg); }

.specs-wrap {
  max-width: 600px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition-delay: 0.1s;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  padding: 20px 28px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  background: var(--bg-elev);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.spec-table td {
  color: var(--text-dim);
}

.spec-table td:last-child {
  color: var(--accent);
  font-weight: 500;
}

.spec-table tbody tr {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), background 0.2s;
}

.spec-table tbody tr.visible {
  opacity: 1;
  transform: translateX(0);
}

.spec-table tbody tr:nth-child(1) { transition-delay: 0.1s; }
.spec-table tbody tr:nth-child(2) { transition-delay: 0.15s; }
.spec-table tbody tr:nth-child(3) { transition-delay: 0.2s; }
.spec-table tbody tr:nth-child(4) { transition-delay: 0.25s; }
.spec-table tbody tr:nth-child(5) { transition-delay: 0.3s; }
.spec-table tbody tr:nth-child(6) { transition-delay: 0.35s; }
.spec-table tbody tr:nth-child(7) { transition-delay: 0.4s; }
.spec-table tbody tr:nth-child(8) { transition-delay: 0.45s; }

.spec-table tbody tr:hover td {
  background: rgba(0,212,255,0.04);
}

.spec-table tbody tr:last-child td { border-bottom: none; }

/* ----- Contact ----- */
.contact-section { background: var(--bg-card); }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}

.contact-info .section-tag { margin-bottom: 12px; }
.contact-info .section-title { text-align: left; margin-bottom: 20px; }
.contact-info > p {
  color: var(--text-dim);
  margin-bottom: 28px;
  line-height: 1.7;
}

.contact-meta {
  list-style: none;
  padding-left: 0;
}

.contact-meta li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-dim);
  margin-bottom: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(6px);
}

.contact-meta li i {
  margin-top: 2px;
  color: var(--accent);
  min-width: 18px;
  text-align: center;
}

.contact-meta a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.contact-meta a:hover {
  color: var(--accent);
}

.demo-form {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}

.field { margin-bottom: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text);
}

.field input,
.field textarea {
  width: 100%;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-mute);
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow-soft);
}

.field textarea { resize: vertical; min-height: 110px; }

.btn-submit {
  position: relative;
  width: 100%;
  padding: 18px 28px;
  margin-top: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--bg);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 45px var(--glow);
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0% { left: -100%; }
  50%, 100% { left: 200%; }
}

/* ----- Footer ----- */
.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  position: relative;
  z-index: 1;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.footer .logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 12px 28px;
  max-width: 100%;
  min-width: 0;
  flex: 1 1 200px;
  row-gap: 14px;
}

.footer-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s, transform 0.3s;
}

.footer-nav a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-mute);
  text-align: center;
}

/* ----- Responsive ----- */
/* Header: 1200px ve altında hamburger menü */
@media (max-width: 1200px) {
  .header .container {
    min-width: 0;
    max-width: 100%;
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
    box-sizing: border-box;
  }

  .header-inner {
    gap: 0;
    flex-wrap: nowrap;
  }

  .header-brand,
  .header-lang,
  .header-burger {
    flex: 0 0 33.333%;
    max-width: 33.333%;
    box-sizing: border-box;
  }

  .header-brand {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
    padding-right: 4px;
  }

  .header-brand .logo {
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .header-brand .logo-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .header-lang {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
  }

  .header-burger {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-left: 4px;
  }

  .header-brand .logo-icon {
    width: min(100%, 110px);
    max-width: 100%;
    height: 34px;
    flex-shrink: 0;
    box-sizing: border-box;
  }

  .header-burger .nav-toggle {
    max-width: 100%;
  }

  .nav {
    display: none !important;
  }

  .nav-toggle {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
    width: 44px;
    padding: 10px;
    box-sizing: border-box;
    z-index: 120;
    -webkit-tap-highlight-color: transparent;
  }

  .lang-trigger {
    height: 36px;
    padding: 0 10px;
  }

  .lang-menu {
    left: 50%;
    right: auto;
    transform: translate(-50%, 8px);
  }

  .lang-switcher.open .lang-menu {
    transform: translate(-50%, 0);
  }

  .nav.open {
    display: flex !important;
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-card);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
}

@media (max-width: 900px) {
  .product-split { grid-template-columns: 1fr; }
  .product-visual { order: -1; }
  .contact-layout { grid-template-columns: 1fr; }
  .industry-cards,
  .benefits-row { grid-template-columns: 1fr; }
  .steps-track { flex-direction: column; align-items: center; }
  .step-arrow { width: 2px; height: 24px; background: linear-gradient(180deg, var(--border), transparent); }
  .step-arrow::after { border-left-color: transparent; border-bottom-color: var(--accent); right: 50%; top: auto; bottom: 0; transform: translateX(50%); }
}

@media (max-width: 768px) {
  .hero-voltage-cables {
    display: none !important;
  }

  .hero-cable-mock { display: none; }
  .section { padding: 80px 0; }
  .field-row { grid-template-columns: 1fr; }

  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }

  .footer-nav {
    justify-content: center;
    gap: 10px 16px;
    row-gap: 12px;
  }

  .footer-nav a {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.9rem; }
  .demo-form { padding: 28px; }
}