/* =========================================
   Ozone Tech — Sci-Fi Style
   ========================================= */

:root {
  --bg: #05050a;
  --bg-secondary: #0a0a12;
  --panel: rgba(15, 15, 25, 0.6);
  --border: rgba(0, 242, 255, 0.18);
  --border-weak: rgba(255, 255, 255, 0.06);

  --primary: #00f2ff;      /* Electric Cyan */
  --primary-glow: rgba(0, 242, 255, 0.45);
  --secondary: #7b2cff;    /* Electric Purple */
  --accent: #00ff88;       /* Electric Green */
  --text: #e8eefb;
  --text-dim: #94a3b8;
  --danger: #ff4d6d;

  --radius: 16px;
  --transition: 0.4s cubic-bezier(0.23, 1, 0.32, 1);

  font-family: 'Rajdhani', 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.6;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- Background Tech Decor ---- */
.tech-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 242, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 255, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 70%);
  animation: gridMove 20s linear infinite;
  pointer-events: none;
}

@keyframes gridMove {
  from { background-position: 0 0; }
  to { background-position: 0 40px; }
}

.glow.orbs {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  filter: blur(60px);
  background:
    radial-gradient(circle at 20% 30%, var(--primary) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, var(--secondary) 0%, transparent 40%),
    radial-gradient(circle at 40% 80%, var(--accent) 0%, transparent 40%);
  animation: orbsFloat 15s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes orbsFloat {
  from { transform: translate(0, 0); }
  to { transform: translate(40px, -60px); }
}

.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 242, 255, 0.35), transparent 70%);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.2s, transform 0.1s;
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 100;
  padding: 1.2rem 0;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-weak);
  transition: var(--transition);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(5, 5, 10, 0.85);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Orbitron', monospace;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text);
  z-index: 10;
}

.logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: 1.1rem;
  box-shadow: 0 0 20px var(--primary-glow);
}

.logo-text { letter-spacing: 0.05em; }

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

.nav-links {
  display: flex;
  gap: 2.2rem;
  align-items: center;
}

.nav-link {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  position: relative;
  transition: color 0.3s;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.35s ease;
  border-radius: 2px;
  opacity: 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-nav {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.55rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 30px;
  color: var(--text);
  background: var(--panel);
  backdrop-filter: blur(8px);
  transition: var(--transition);
  cursor: pointer;
}

.btn-nav:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
  background: rgba(0, 242, 255, 0.1);
}

.menu-toggle {
  display: none;
  width: 32px; height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  z-index: 110;
}

.menu-toggle span {
  display: block;
  width: 100%; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1.5rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,242,255,0.15) 0%, transparent 55%);
  filter: blur(60px);
  animation: pulse 8s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: -1;
}

@keyframes pulse {
  from { transform: scale(1); opacity: 0.6; }
  to { transform: scale(1.25); opacity: 0.3; }
}

.hero-content {
  flex: 1;
  max-width: 620px;
  z-index: 5;
  transform: translateX(-60px);
  animation: heroEntry 1s ease forwards;
}

.hero.visual-ready .hero-content { animation: none; }

@keyframes heroEntry {
  from { opacity: 0; transform: translateX(-80px); }
  to { opacity: 1; transform: translateX(0); }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 30px;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--primary);
  background: rgba(0, 242, 255, 0.08);
  backdrop-filter: blur(8px);
  margin-bottom: 1.5rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  box-shadow: 0 0 15px rgba(0, 242, 255, 0.15);
}

.badge::before {
  content: '●';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  color: var(--text);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sub-title {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  max-width: 500px;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.95rem 1.75rem;
  border-radius: 40px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  color: #fff;
  box-shadow: 0 0 25px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px var(--primary-glow), 0 8px 20px rgba(0,0,0,0.3);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-full { width: 100%; }

.hero-stats {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  border-top: 1px solid var(--border-weak);
  padding-top: 1.5rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: var(--text-dim);
}

.stat .stat-number {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat .divider {
  color: var(--border-weak);
  font-size: 1.2rem;
}

/* Hero Visual Area */
.hero-visual {
  flex: 1;
  max-width: 560px;
  position: relative;
  z-index: 5;
  transform: translateX(60px);
  animation: heroEntry 1s 0.2s ease forwards;
  opacity: 0;
}

.visual-card {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  transition: var(--transition);
  transform-style: preserve-3d;
}

.visual-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--primary);
  box-shadow: 0 30px 60px rgba(0,242,255,0.15);
}

.card-1 {
  width: 340px; height: 380px;
  top: 0; left: 0;
  z-index: 3;
  animation: floatCard 6s ease-in-out infinite;
}

.card-2 {
  width: 280px; height: 320px;
  bottom: 0; right: 0;
  z-index: 2;
  animation: floatCard 7s ease-in-out infinite 1s;
}

.visual-img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.9;
  transition: var(--transition);
}

.visual-card:hover .visual-img { opacity: 1; transform: scale(1.05); }

.card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent 60%);
}

.card-tag {
  position: absolute;
  bottom: 1.2rem; left: 1.2rem;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border);
  color: var(--primary);
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

.floating-shape {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border-weak);
  opacity: 0.4;
  animation: shapeFloat 10s ease-in-out infinite;
}

.shape-1 { width: 160px; height: 160px; top: 20%; left: 60%; animation-delay: 0s; }
.shape-2 { width: 100px; height: 100px; top: 60%; right: 20%; animation-delay: 2s; }
.shape-3 { width: 220px; height: 220px; bottom: -40px; left: 40%; animation-delay: 4s; opacity: 0.25; }

@keyframes shapeFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(20px, -30px) rotate(120deg); }
  66% { transform: translate(-20px, 30px) rotate(240deg); }
}

/* ---- Section Common ---- */
section { padding: 6rem 1.5rem; position: relative; }

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem;
}

.section-kicker {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-desc {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.85;
}

/* ---- Features ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  position: relative;
  padding: 2.2rem 1.8rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-weak);
  background: var(--panel);
  backdrop-filter: blur(12px);
  transition: var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,242,255,0.1);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  display: inline-block;
  filter: drop-shadow(0 0 12px rgba(0,242,255,0.25));
}

.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; font-family: 'Rajdhani'; font-weight: 700; }
.feature-card p { font-size: 0.9rem; color: var(--text-dim); line-height: 1.7; }

/* ---- Categories ---- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.cat-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-weak);
  background: var(--panel);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.cat-card:hover {
  border-color: var(--primary);
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0,242,255,0.12);
}

.cat-image {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.cat-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.cat-card:hover .cat-image img { transform: scale(1.1); }

.cat-glow {
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0,242,255,0.25) 0%, transparent 70%);
  opacity: 0;
  transition: var(--transition);
}

.cat-card:hover .cat-glow { opacity: 1; }

.cat-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.35rem 0.8rem;
  border-radius: 20px;
  background: rgba(0,242,255,0.15);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  z-index: 3;
}

.cat-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cat-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  font-family: 'Rajdhani'; font-weight: 700;
}

.cat-content p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.6;
  flex: 1;
}

.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: auto;
}

.cat-link .arrow {
  font-size: 0.9rem;
  transition: transform 0.3s;
}

.cat-link:hover .arrow { transform: translateX(4px); }

/* ---- Products ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.product-card {
  position: relative;
  border-radius: 20px;
  border: 1px solid var(--border-weak);
  background: var(--panel);
  backdrop-filter: blur(12px);
  transition: var(--transition);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0,242,255,0.12);
}

.product-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.product-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-image img { transform: scale(1.08); }

.product-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.product-card:hover .product-overlay { opacity: 1; }

.quick-view {
  padding: 0.7rem 1.4rem;
  border-radius: 30px;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 800;
  cursor: pointer;
  transform: translateY(10px);
  transition: var(--transition);
}

.product-card:hover .quick-view { transform: translateY(0); }

.quick-view:hover {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 20px var(--primary-glow);
}

.product-info { padding: 1.2rem 1.5rem 1.5rem; }

.product-cat {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.45rem;
}

.product-info h3 {
  font-size: 1rem;
  margin-bottom: 0.7rem;
  font-family: 'Rajdhani'; font-weight: 700;
  line-height: 1.3;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--text-dim);
  transition: var(--transition);
}

.product-link:hover { color: var(--primary); }

.products-cta {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-weak);
}

.products-cta p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

/* ---- About ---- */
.about {
  background: var(--bg-secondary);
}

.about-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--border);
  filter: saturate(0.9) contrast(1.1);
  transition: var(--transition);
  position: relative;
  z-index: 2;
}

.image-frame {
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(0,242,255,0.35);
  border-radius: 24px;
  pointer-events: none;
  animation: frameRotate 20s linear infinite;
}

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

.about-content h2 { margin-bottom: 1rem; }
.about-desc {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 1.6rem;
  line-height: 1.8;
  opacity: 0.9;
}

.about-features {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.8rem;
  flex-wrap: wrap;
}

.feat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-weak);
  border-radius: 30px;
  background: rgba(15,15,25,0.4);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.feat-number {
  font-family: 'Orbitron', monospace;
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--primary);
  background: rgba(0,242,255,0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 50%;
  border: 1px solid var(--primary);
}

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

.contact-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-desc {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-weak);
  border-radius: 16px;
  background: rgba(15,15,25,0.3);
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--primary);
  background: rgba(0,242,255,0.05);
}

.contact-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item strong { display: block; color: var(--text); font-size: 0.85rem; margin-bottom: 0.2rem; font-family: 'Rajdhani'; font-weight: 700; }
.contact-item a { color: var(--text-dim); font-size: 0.85rem; transition: 0.3s; }
.contact-item a:hover { color: var(--primary); }

.socials {
  display: flex;
  gap: 1rem;
}

.socials a {
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-weak);
  background: rgba(15,15,25,0.4);
  display: grid; place-items: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: var(--transition);
}

.socials a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0,242,255,0.1);
  box-shadow: 0 0 20px var(--primary-glow);
}

.contact-form-card {
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: rgba(15,15,25,0.4);
  backdrop-filter: blur(16px);
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-weak);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,242,255,0.15);
  background: rgba(0,0,0,0.45);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--border-weak);
  padding: 3rem 1.5rem 2rem;
  background: rgba(0,0,0,0.3);
}

.footer-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Orbitron', monospace;
  font-weight: 800;
  font-size: 1.3rem;
}

.footer-brand .logo-icon {
  width: 30px; height: 30px;
  font-size: 1rem;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  margin-top: 0.5rem;
}

.footer-legal a {
  font-size: 0.75rem;
  color: var(--text-dim);
  transition: 0.3s;
}

.footer-legal a:hover { color: var(--primary); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .contact-container { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { display: none; }
  .hero-content { max-width: 100%; text-align: center; margin: 0 auto; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; flex-wrap: wrap; gap: 1rem; }
  .nav-links { position: fixed; inset: 0 40% 0 0; background: rgba(5,5,10,0.97); flex-direction: column; justify-content: center; align-items: flex-start; padding: 4rem 2rem 2rem; transform: translatex(100%); transition: var(--transition); border-right: 1px solid var(--border-weak); }
  .nav-links.open { transform: translatex(0); }
  .menu-toggle { display: flex; }
  .nav-links .nav-link { font-size: 1.1rem; padding: 0.6rem 0; width: 100%; }
  .nav-links .nav-link::after { bottom: auto; right: 1rem; height: 100%; width: 2px; transform: scaleY(0); transform-origin: bottom; transition: transform 0.3s ease; }
  .nav-links .nav-link:hover::after { transform: scaleY(1); }
}

@media (max-width: 560px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .contact-form-card { padding: 1.5rem; }
  .about-features { flex-direction: column; width: 100%; }
}

/* Loading Animation */
body.loaded .cursor-glow { opacity: 0.5; }

/* ---- Captcha ---- */
.captcha-group {
  margin-top: 0.25rem;
}

.captcha-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.captcha-question {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  font-weight: 800;
  color: #00f2ff;
  background: rgba(0, 242, 255, 0.1);
  border: 1px solid rgba(0, 242, 255, 0.3);
  border-radius: 8px;
  padding: 0.6rem 1rem;
  min-width: 120px;
  text-align: center;
  user-select: none;
}

.captcha-wrapper input[type="text"] {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-weak);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.captcha-wrapper input[type="text"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 242, 255, 0.15);
  background: rgba(0, 0, 0, 0.45);
}

.btn-refresh {
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-weak);
  background: rgba(15, 15, 25, 0.4);
  color: var(--text);
  font-size: 1.2rem;
  cursor: pointer;
  display: grid; place-items: center;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-refresh:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(0, 242, 255, 0.1);
}

.captcha-error {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--danger);
  font-family: 'Orbitron', monospace;
}