/* ===== Nexus Tech – Computer Services Website ===== */
:root {
  --bg-dark: #0c0f14;
  --bg-card: #13171f;
  --bg-elevated: #1a1f2a;
  --text-primary: #e8eaed;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --accent: #22d3ee;
  --accent-dim: #0891b2;
  --accent-glow: rgba(34, 211, 238, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 1.35rem;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

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

.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-primary);
  border-radius: 1px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-dark);
}

.btn-primary:hover {
  background: #06b6d4;
  box-shadow: 0 0 24px var(--accent-glow);
}

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

.btn-ghost:hover {
  color: var(--accent);
  border-color: rgba(34, 211, 238, 0.4);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-glow {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 80%;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  padding: 8px 16px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 100px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title .highlight {
  color: var(--accent);
  position: relative;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}

.section-badge {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ===== Services ===== */
.services {
  background: var(--bg-card);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: rgba(34, 211, 238, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(34, 211, 238, 0.1);
  border-radius: var(--radius);
  margin-bottom: 20px;
  color: var(--accent);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== About ===== */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-list {
  list-style: none;
  margin-top: 24px;
}

.about-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.about-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.about-card {
  width: 280px;
  height: 280px;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.about-card-inner {
  text-align: center;
}

.about-card-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}

.about-card-label {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ===== Why Us ===== */
.why-us {
  background: var(--bg-card);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-item {
  text-align: center;
  padding: 32px 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition);
}

.why-item:hover {
  border-color: rgba(34, 211, 238, 0.15);
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.why-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.why-item p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== Contact ===== */
.contact-wrapper {
  max-width: 520px;
  margin: 0 auto;
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

/* Honeypot: hidden from users, traps bots */
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: 0;
  padding: 0;
}

.form-captcha {
  margin-bottom: 24px;
}

.form-captcha .g-recaptcha {
  display: inline-block;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 20px;
  padding-right: 44px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== Footer ===== */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

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

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  width: 100%;
  text-align: center;
  margin-top: 16px;
}

/* ===== Responsive ===== */
/* Mobile nav when open */
@media (max-width: 900px) {
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .header .btn-primary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .about-inner,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .about-visual {
    order: -1;
  }

  .about-card {
    width: 220px;
    height: 220px;
  }

  .about-card-number {
    font-size: 3rem;
  }
}

@media (max-width: 600px) {
  .section {
    padding: 64px 0;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .hero-stats {
    gap: 32px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

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

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