:root {
  --bg-dark: #050505;
  --bg: #0d0d0d;
  --surface: #13131a;
  --surface-2: #1b1b27;
  --text: #f5f7ff;
  --muted: #9ba0bc;
  --neon-blue: #00f2ff;
  --neon-pink: #ff00ff;
  --neon-purple: #bc13fe;
  --blue: var(--neon-blue);
  --pink: var(--neon-pink);
  --border: rgba(255, 255, 255, 0.12);
  --glow: 0 0 10px rgba(0, 242, 255, 0.5);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: var(--bg-dark);
  background: radial-gradient(circle at top right, #1a0b2e, var(--bg-dark) 60%);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2rem;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.92);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logo {
  width: 60px;
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.2);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--blue);
}

main {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 3.5rem 0 2.5rem;
}

.eyebrow {
  color: var(--pink);
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

h1, h2, h3 {
  font-family: 'Orbitron', sans-serif;
  line-height: 1.2;
}

h1, h2 {
  color: #fff;
  text-shadow: 0 0 10px var(--neon-blue), 0 0 20px var(--neon-purple);
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  margin: 0 0 1rem;
}

.hero p {
  color: var(--muted);
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: linear-gradient(90deg, var(--blue), var(--pink));
  color: #050505;
  box-shadow: 0 0 24px rgba(255, 0, 255, 0.2);
}

.btn.secondary {
  border-color: var(--blue);
  color: var(--blue);
}

.btn.whatsapp-btn {
  background: linear-gradient(90deg, #25d366, #128c7e);
  color: #ffffff;
  border-color: #25d366;
  box-shadow: 0 0 24px rgba(37, 211, 102, 0.25);
}

.hero-card,
.card {
  background: linear-gradient(145deg, rgba(19, 19, 26, 0.95), rgba(25, 25, 37, 0.95));
  border: 1px solid var(--neon-blue);
  border-radius: 24px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
}

.hero-card {
  padding: 0.7rem;
}

.hero-card img {
  border-radius: 18px;
  height: 100%;
  object-fit: cover;
}

.summary,
.info-grid,
.shop-grid,
.content-grid {
  display: grid;
  gap: 1.2rem;
  margin: 1.2rem 0 2rem;
}

.summary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.shop-grid,
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-card,
.info-card,
.shop-card,
.form-card,
.map-card,
.about-card {
  padding: 1.4rem;
}

.testimonials-section {
  margin: 2rem 0 3rem;
  text-align: center;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 40px 0;
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--neon-blue);
  padding: 25px;
  border-radius: 15px;
  transition: 0.3s;
  box-shadow: 0 0 10px rgba(0, 242, 255, 0.2);
}

.testimonial-card:hover {
  border-color: var(--neon-pink);
  box-shadow: 0 0 20px rgba(255, 0, 255, 0.4);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: 15px;
}

.testimonial-card .author {
  color: var(--neon-blue);
  font-weight: bold;
}

.review-links {
  text-align: center;
  margin-bottom: 1.5rem;
}

.neon-link {
  display: inline-block;
  margin: 10px;
  padding: 10px 20px;
  color: var(--neon-blue);
  border: 1px solid var(--neon-blue);
  border-radius: 5px;
  text-decoration: none;
  transition: 0.3s;
}

.neon-link:hover {
  background: var(--neon-blue);
  color: #000;
  box-shadow: 0 0 15px var(--neon-blue);
}

.summary-card p,
.info-card p,
.shop-card p,
.about-card p,
.page-heading p,
.form-card label,
.map-card p {
  color: var(--muted);
}

.text-link {
  color: var(--blue);
  font-weight: 600;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.5rem;
  align-items: center;
}

.about-image {
  border-radius: 20px;
  border: 1px solid var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 242, 255, 0.2);
}

.neon-quote {
  border-left: 5px solid var(--neon-pink);
  padding-left: 20px;
  font-size: 1.2em;
  color: var(--neon-blue);
  margin: 30px 0;
}

.page-shell {
  padding: 2.5rem 0 3rem;
}

.page-heading {
  margin-bottom: 1.5rem;
}

.page-heading h1 {
  margin-bottom: 0.7rem;
}

form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.4rem;
  font-weight: 600;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  margin-top: 0.3rem;
}

#pc-sell-form h3 {
  margin: 1rem 0 0.4rem;
}

#peripheral-section {
  margin-top: 0.8rem;
}

#monitor-fields {
  display: grid;
  gap: 0.6rem;
  margin: 0.6rem 0;
}

.map-frame {
  margin-top: 1rem;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.map-frame iframe {
  width: 100%;
  min-height: 320px;
  border: 0;
}

footer {
  text-align: center;
  padding: 1.5rem 1rem 2rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}

.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25d366;
  color: white;
  padding: 15px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
  z-index: 20;
}

.whatsapp-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

@media (max-width: 860px) {
  .hero,
  .summary,
  .info-grid,
  .shop-grid,
  .content-grid,
  .about-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    gap: 1rem;
  }

  .whatsapp-float {
    right: 12px;
    left: 12px;
    bottom: 12px;
    text-align: center;
  }
}

@media (max-width: 560px) {
  main {
    width: min(100% - 1rem, 1120px);
  }

  .topbar {
    padding: 1rem;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
  }

  .hero {
    padding-top: 2rem;
    gap: 1.2rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn,
  .neon-link {
    width: 100%;
    text-align: center;
  }

  .summary-card,
  .info-card,
  .shop-card,
  .form-card,
  .map-card,
  .about-card,
  .testimonial-card {
    padding: 1rem;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
    padding: 20px 0;
  }

  .review-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .neon-link {
    margin: 0;
  }

  #check-box {
    padding: 1rem !important;
  }

  #check-box input {
    width: 100% !important;
    margin-bottom: 0.6rem;
  }

  #check-box button {
    width: 100%;
  }

  .about-image {
    order: -1;
  }
}