/* ========= ROOT & RESET ========= */
:root {
  --bg: #05070f;
  --bg-2: #0a0e1a;
  --surface: rgba(20, 26, 42, 0.55);
  --surface-2: rgba(30, 40, 60, 0.4);
  --border: rgba(100, 140, 200, 0.18);
  --border-strong: rgba(100, 140, 200, 0.35);
  --text: #e8edf7;
  --text-dim: #a8b3c8;
  --text-mute: #6b7590;
  --primary: #00d4ff;
  --primary-2: #4a9eff;
  --primary-dark: #0091b8;
  --accent: #7b61ff;
  --success: #2ee59d;
  --warn: #ffb547;
  --danger: #ff5c7c;
  --glow: 0 0 40px rgba(0, 212, 255, 0.35);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow-lg: 0 30px 80px -20px rgba(0, 50, 100, 0.5), 0 10px 30px -10px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 15px 40px -15px rgba(0, 50, 100, 0.4);
  --transition: 0.35s cubic-bezier(.4, 0, .2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(ellipse at top left, rgba(0, 212, 255, 0.12), transparent 50%),
    radial-gradient(ellipse at bottom right, rgba(123, 97, 255, 0.08), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  min-height: 100vh;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

::selection { background: var(--primary); color: #000; }

/* Focus states */
a:focus-visible, button:focus-visible, details:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ========= PROGRESS BAR ========= */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 9999;
  box-shadow: 0 0 10px var(--primary);
  transition: width 0.1s linear;
}

/* ========= MOUSE GLOW ========= */
.mouse-glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  mix-blend-mode: screen;
}

/* ========= PARTICLES ========= */
.particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

/* ========= HEADER ========= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(5, 7, 15, 0.6);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  padding: 10px 0;
  background: rgba(5, 7, 15, 0.85);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-wrap { display: block; }

.logo-3d {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.logo-svg {
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
  animation: floatLogo 4s ease-in-out infinite;
}

@keyframes floatLogo {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, #fff 30%, var(--primary) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #000 !important;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 999px;
  transition: var(--transition);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 212, 255, 0.5);
}

/* ========= HERO ========= */
.hero {
  position: relative;
  padding: 180px 0 100px;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  z-index: 2;
}

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

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}

.shape-1 {
  width: 500px; height: 500px;
  background: var(--primary);
  top: -200px; right: -100px;
  animation: floatShape 20s ease-in-out infinite;
}

.shape-2 {
  width: 400px; height: 400px;
  background: var(--accent);
  bottom: -150px; left: -150px;
  animation: floatShape 25s ease-in-out infinite reverse;
}

.shape-3 {
  width: 300px; height: 300px;
  background: var(--primary-2);
  top: 40%; left: 40%;
  animation: floatShape 18s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(50px, -40px) scale(1.1); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
  backdrop-filter: blur(10px);
  margin-bottom: 24px;
  animation: slideDown 0.8s ease;
}

.pulse-dot {
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 0 var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46, 229, 157, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(46, 229, 157, 0); }
  100% { box-shadow: 0 0 0 0 rgba(46, 229, 157, 0); }
}

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #fff 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: slideUp 1s ease 0.1s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 36px;
  animation: slideUp 1s ease 0.25s both;
}

.hero-cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 50px;
  animation: slideUp 1s ease 0.4s both;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.primary-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #000;
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.35);
}

.primary-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 50px rgba(0, 212, 255, 0.5);
}

.secondary-cta {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
}

.secondary-cta:hover {
  background: var(--surface-2);
  border-color: var(--primary);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  animation: slideUp 1s ease 0.55s both;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat label {
  font-size: 0.82rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========= HERO DISHWASHER VISUAL ========= */
.hero-visual {
  position: absolute;
  right: -50px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  z-index: 2;
  opacity: 0.95;
}

.dishwasher-3d {
  position: relative;
  width: 100%;
  height: 100%;
  animation: floatDW 6s ease-in-out infinite;
  perspective: 1000px;
}

@keyframes floatDW {
  0%, 100% { transform: translateY(0) rotateY(-8deg) rotateX(5deg); }
  50% { transform: translateY(-20px) rotateY(-8deg) rotateX(5deg); }
}

.dw-body {
  position: relative;
  width: 340px;
  height: 440px;
  margin: auto;
  margin-top: 30px;
  background: linear-gradient(145deg, #1a2238 0%, #0d1220 100%);
  border-radius: 18px;
  border: 1px solid rgba(0, 212, 255, 0.25);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(0, 212, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform-style: preserve-3d;
}

.dw-panel {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.dw-handle {
  height: 6px;
  background: linear-gradient(90deg, #3a4660, #5a6b8a, #3a4660);
  border-radius: 3px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.15);
}

.dw-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: 'Space Grotesk', monospace;
}

.dw-display-text {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-shadow: 0 0 10px var(--primary);
}

.dw-dots { display: flex; gap: 5px; }
.dw-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
  animation: dotBlink 1.5s infinite;
}
.dw-dots span:nth-child(2) { animation-delay: 0.3s; }
.dw-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes dotBlink {
  0%, 50%, 100% { opacity: 1; }
  25%, 75% { opacity: 0.3; }
}

.dw-window {
  position: relative;
  margin: 16px;
  height: 300px;
  background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.12) 0%, rgba(10, 20, 40, 0.9) 80%);
  border-radius: 12px;
  border: 1px solid rgba(0, 212, 255, 0.3);
  overflow: hidden;
  box-shadow: inset 0 0 60px rgba(0, 212, 255, 0.15);
}

.dw-rack {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.plate {
  width: 4px;
  height: 60px;
  background: linear-gradient(180deg, #b0c0d5, #5a6b8a);
  border-radius: 2px;
  transform: rotate(-15deg);
  box-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.plate:nth-child(2) { height: 58px; transform: rotate(-15deg) translateX(-1px); }
.plate:nth-child(3) { height: 62px; transform: rotate(-15deg); }

.glass {
  width: 24px;
  height: 50px;
  background: linear-gradient(180deg, rgba(200, 230, 255, 0.4), rgba(100, 150, 200, 0.2));
  border: 1px solid rgba(200, 230, 255, 0.5);
  border-radius: 4px 4px 2px 2px;
  backdrop-filter: blur(3px);
}

.spray-arm {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 180px;
  height: 4px;
  background: linear-gradient(90deg, #5a6b8a, #b0c0d5, #5a6b8a);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  animation: rotateArm 4s linear infinite;
  box-shadow: 0 0 10px rgba(180, 200, 220, 0.4);
}

.spray-arm::before, .spray-arm::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  transform: translateY(-50%);
}

.spray-arm::before { left: 0; }
.spray-arm::after { right: 0; }

@keyframes rotateArm {
  from { transform: translate(-50%, -50%) rotate(0); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.water-drop {
  position: absolute;
  width: 3px;
  height: 12px;
  background: linear-gradient(180deg, transparent, var(--primary), rgba(0, 212, 255, 0.3));
  border-radius: 50%;
  opacity: 0;
  animation: dropFall 2s infinite;
}

.water-drop.drop-1 { left: 30%; top: 55%; animation-delay: 0s; }
.water-drop.drop-2 { left: 45%; top: 55%; animation-delay: 0.4s; }
.water-drop.drop-3 { left: 60%; top: 55%; animation-delay: 0.8s; }
.water-drop.drop-4 { left: 75%; top: 55%; animation-delay: 1.2s; }
.water-drop.drop-5 { left: 38%; top: 55%; animation-delay: 1.6s; }

@keyframes dropFall {
  0% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translateY(100px) scale(0.5); }
}

.bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.5), rgba(0, 212, 255, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.3);
  animation: bubbleRise 4s infinite ease-in;
  opacity: 0;
}

.bubble.bubble-1 { width: 14px; height: 14px; left: 25%; bottom: 20%; animation-delay: 0s; }
.bubble.bubble-2 { width: 10px; height: 10px; left: 55%; bottom: 15%; animation-delay: 1s; }
.bubble.bubble-3 { width: 18px; height: 18px; left: 70%; bottom: 25%; animation-delay: 2s; }
.bubble.bubble-4 { width: 12px; height: 12px; left: 40%; bottom: 30%; animation-delay: 3s; }

@keyframes bubbleRise {
  0% { opacity: 0; transform: translateY(0) scale(0.5); }
  20% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-200px) scale(1.3); }
}

.steam {
  position: absolute;
  width: 40px;
  height: 40px;
  background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
  border-radius: 50%;
  animation: steamRise 5s infinite;
  opacity: 0;
}

.steam.steam-1 { left: 30%; top: 5%; animation-delay: 0s; }
.steam.steam-2 { left: 60%; top: 5%; animation-delay: 2s; }

@keyframes steamRise {
  0% { opacity: 0; transform: translateY(0) scale(0.8); }
  50% { opacity: 0.6; }
  100% { opacity: 0; transform: translateY(-80px) scale(2); }
}

.dw-glow {
  position: absolute;
  inset: -50px;
  background: radial-gradient(circle at center, rgba(0, 212, 255, 0.2), transparent 60%);
  z-index: -1;
  animation: glowPulse 4s ease-in-out infinite;
}

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

/* ========= ARTICLE ========= */
.article {
  position: relative;
  padding: 80px 0 60px;
  z-index: 2;
}

.post-content {
  max-width: 820px;
  margin: 0 auto;
}

.meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 16px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 40px;
}

.meta-dot { color: var(--primary); }

.lead-paragraph {
  font-size: 1.22rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 28px;
  padding-left: 20px;
  border-left: 3px solid var(--primary);
}

.post-content p {
  font-size: 1.04rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.post-content h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  margin: 54px 0 22px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff, var(--primary-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  padding-bottom: 14px;
}

.post-content h2::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
}

.post-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  margin: 32px 0 14px;
  color: var(--text);
}

.content-link {
  color: var(--primary);
  font-weight: 600;
  position: relative;
  padding-bottom: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary)) no-repeat left bottom / 0 1px;
  transition: background-size 0.3s ease;
}

.content-link:hover {
  background-size: 100% 1px;
  text-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

/* Info Cards */
.info-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  margin: 28px 0;
  transition: var(--transition);
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.info-card.warning { border-left-color: var(--warn); }

.info-card-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.info-card-content h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text);
}

.info-card-content p {
  font-size: 0.96rem;
  margin: 0;
  color: var(--text-dim);
}

/* CTA Card */
.cta-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 30px;
  align-items: center;
  padding: 40px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.12), rgba(123, 97, 255, 0.08));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  margin: 50px 0;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.15), transparent 60%);
  pointer-events: none;
}

.cta-card-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: rotateSlow 20s linear infinite;
}

@keyframes rotateSlow {
  from { transform: rotate(0); }
  to { transform: rotate(360deg); }
}

.cta-card-content {
  position: relative;
  z-index: 2;
}

.cta-card-content h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.6rem;
  margin: 0 0 10px;
  color: var(--text);
}

.cta-card-content p {
  margin: 0 0 20px;
  color: var(--text-dim);
}

/* Prevention list */
.prevention-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 30px;
}

.prevention-list li {
  padding: 14px 0 14px 36px;
  position: relative;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
}

.prevention-list li:last-child { border-bottom: none; }

.prevention-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 22px;
  width: 20px; height: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-radius: 50%;
  box-shadow: 0 0 12px var(--primary);
}

.prevention-list li::after {
  content: '✓';
  position: absolute;
  left: 5px; top: 20px;
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
}

.prevention-list li strong {
  color: var(--text);
  font-weight: 600;
}

/* FAQ */
.faq-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.faq-item[open] {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

.faq-item summary {
  list-style: none;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  position: relative;
  transition: var(--transition);
}

.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--primary);
  border-radius: 2px;
  top: 50%; left: 50%;
  transition: var(--transition);
}

.faq-icon::before {
  width: 10px; height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px; height: 10px;
  transform: translate(-50%, -50%);
}

.faq-item[open] .faq-icon {
  background: var(--primary);
  transform: rotate(180deg);
}

.faq-item[open] .faq-icon::before, .faq-item[open] .faq-icon::after {
  background: #000;
}

.faq-item[open] .faq-icon::after {
  height: 0;
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--text-dim);
  line-height: 1.75;
  animation: fadeIn 0.4s ease;
}

.faq-answer p { margin: 0; font-size: 0.98rem; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========= CONTACT SECTION ========= */
.contact-section {
  position: relative;
  padding: 80px 0;
  z-index: 2;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 50px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.contact-card::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1), transparent 60%);
  pointer-events: none;
}

.contact-info h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff, var(--primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.contact-intro {
  color: var(--text-dim);
  margin-bottom: 30px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(6px);
  background: rgba(0, 212, 255, 0.08);
}

.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 212, 255, 0.3);
}

.contact-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-text small {
  font-size: 0.78rem;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-text strong {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.contact-map {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 360px;
}

.map-placeholder {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 1;
}

/* ========= FOOTER ========= */
.footer {
  position: relative;
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
  background: rgba(5, 7, 15, 0.6);
  backdrop-filter: blur(10px);
  z-index: 2;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-tagline {
  color: var(--text-dim);
  margin-top: 16px;
  max-width: 320px;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  margin-bottom: 18px;
  color: var(--text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  color: var(--text-dim);
  font-size: 0.94rem;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: var(--transition);
}

.social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #000;
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
  border-color: transparent;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-mute);
  font-size: 0.88rem;
}

/* ========= BACK TO TOP ========= */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 50;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.6);
}

/* ========= RESPONSIVE ========= */
@media (max-width: 960px) {
  .hero-visual { display: none; }
  .nav { display: none; }
  .contact-card { grid-template-columns: 1fr; padding: 32px; }
  .cta-card { grid-template-columns: 1fr; padding: 30px; text-align: center; }
  .cta-card-visual { order: -1; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hero { padding: 140px 0 60px; }
  .hero-stats { gap: 24px; }
  .stat span { font-size: 1.7rem; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .meta-strip { flex-direction: column; align-items: flex-start; gap: 6px; }
  .meta-dot { display: none; }
  .back-to-top { bottom: 18px; right: 18px; width: 44px; height: 44px; }
}

/* ========= REDUCED MOTION ========= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}