/* ===================================================
   Chibugwu – Glossy Stealth Design System
   Color Palette: Charcoal Grey · Metallic Silver · Neon Cyan
   Fonts: Montserrat + Rajdhani
   =================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --charcoal:       #1a1a1f;
  --charcoal-light: #25252c;
  --charcoal-mid:   #2e2e36;
  --silver:         #c0c0c8;
  --silver-light:   #d8d8de;
  --cyan:           #00e5ff;
  --cyan-glow:      rgba(0, 229, 255, .35);
  --cyan-dark:      #00b8d4;
  --white:          #f5f5f7;
  --black:          #0d0d10;
  --danger:         #ff4757;
  --radius:         8px;
  --radius-lg:      16px;
  --transition:     .3s ease;
  --shadow:         0 4px 30px rgba(0,0,0,.45);
  --shadow-cyan:    0 0 20px var(--cyan-glow);
  --font-heading:   'Rajdhani', sans-serif;
  --font-body:      'Montserrat', sans-serif;
  --max-width:      1200px;
  --nav-height:     72px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--charcoal);
  color: var(--silver);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--white); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
ul, ol { list-style: none; }
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}

/* ---------- Utility ---------- */
.container { width: 92%; max-width: var(--max-width); margin: 0 auto; }
.section { padding: 100px 0; }
.section-dark { background: var(--black); }
.section-mid  { background: var(--charcoal-mid); }
.text-center { text-align: center; }
.text-cyan { color: var(--cyan); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: .5px;
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); margin-bottom: 12px; }
p  { margin-bottom: 16px; }

.section-subtitle {
  display: block;
  color: var(--cyan);
  font-family: var(--font-heading);
  font-size: .95rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--cyan);
  color: var(--black);
  box-shadow: var(--shadow-cyan);
}
.btn-primary:hover {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 0 30px rgba(0,229,255,.5);
}
.btn-outline {
  border: 2px solid var(--cyan);
  color: var(--cyan);
}
.btn-outline:hover {
  background: var(--cyan);
  color: var(--black);
}
.btn-sm { padding: 10px 24px; font-size: .85rem; }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  background: rgba(13,13,16,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,229,255,.08);
  transition: background var(--transition);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.nav-logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  color: var(--silver);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .5px;
  position: relative;
  padding-bottom: 4px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-cta { margin-left: 16px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(.35);
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,13,16,.6) 0%, rgba(13,13,16,.9) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 0 20px;
}
.hero-content h1 { margin-bottom: 20px; }
.hero-content p {
  font-size: 1.15rem;
  color: var(--silver-light);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Feature / Service Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.card {
  background: var(--charcoal-light);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-cyan);
  border-color: rgba(0,229,255,.15);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0,229,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  color: var(--cyan);
}
.card h3 { font-size: 1.25rem; }
.card p { font-size: .95rem; color: var(--silver); }

/* ---------- Pricing Cards ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.pricing-card {
  background: var(--charcoal-light);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-cyan);
}
.pricing-card.featured {
  border: 2px solid var(--cyan);
  box-shadow: var(--shadow-cyan);
}
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: var(--black);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 20px;
  border-radius: 50px;
}
.pricing-card h3 { font-size: 1.4rem; margin-bottom: 8px; }
.pricing-card .price {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 24px;
}
.pricing-card .price small { font-size: .9rem; color: var(--silver); }
.pricing-card ul { margin-bottom: 32px; }
.pricing-card ul li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.04);
  font-size: .95rem;
}
.pricing-card ul li:last-child { border-bottom: none; }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform .5s ease;
  border-radius: 0;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(13,13,16,.9));
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  transform: translateY(100%);
  transition: transform var(--transition);
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }

/* ---------- Before / After Slider ---------- */
.ba-slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin: 0 auto 48px;
}
.ba-slider img { width: 100%; display: block; border-radius: 0; }
.ba-slider .ba-after {
  position: absolute;
  inset: 0;
  overflow: hidden;
  width: 50%;
}
.ba-slider .ba-after img { position: absolute; top: 0; left: 0; width: 200%; max-width: none; }
.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--cyan);
  cursor: ew-resize;
  z-index: 3;
}
.ba-handle::after {
  content: '⟷';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 40px;
  height: 40px;
  background: var(--cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--black);
  font-size: .9rem;
  font-weight: 700;
}

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.testimonial {
  background: var(--charcoal-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid rgba(255,255,255,.06);
}
.testimonial .stars { color: var(--cyan); margin-bottom: 12px; font-size: 1.1rem; }
.testimonial p { font-style: italic; font-size: .95rem; margin-bottom: 16px; }
.testimonial .author { font-weight: 600; color: var(--white); font-size: .9rem; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: .85rem;
  font-weight: 600;
  color: var(--silver-light);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 14px 18px;
  background: var(--charcoal-mid);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  color: var(--white);
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}
.form-control::placeholder { color: rgba(192,192,200,.4); }
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg fill='%2300e5ff' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 44px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ---------- Contact Info Bar ---------- */
.info-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0,229,255,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cyan);
  font-size: 1.2rem;
}
.info-item h4 { font-size: .95rem; margin-bottom: 4px; }
.info-item p { font-size: .9rem; margin-bottom: 0; }

/* ---------- Page Header (Inner Pages) ---------- */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--black) 0%, var(--charcoal) 100%);
  border-bottom: 1px solid rgba(0,229,255,.06);
}
.page-header h1 { margin-bottom: 12px; }
.page-header p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-img { border-radius: var(--radius-lg); overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
  margin-top: 48px;
}
.stat h3 {
  font-size: 2.4rem;
  color: var(--cyan);
  margin-bottom: 4px;
}
.stat p { font-size: .85rem; text-transform: uppercase; letter-spacing: 1px; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(0,229,255,.08) 0%, rgba(13,13,16,.95) 100%);
  border-top: 1px solid rgba(0,229,255,.1);
  border-bottom: 1px solid rgba(0,229,255,.1);
}
.cta-banner h2 { margin-bottom: 16px; }
.cta-banner p { max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,.04);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer h4 {
  font-size: 1rem;
  margin-bottom: 20px;
  color: var(--white);
}
.footer p, .footer a { font-size: .9rem; color: var(--silver); }
.footer a:hover { color: var(--cyan); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .85rem;
}
.footer-legal { display: flex; gap: 24px; }

/* ---------- Scroll Animations ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Back To Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-cyan);
}
.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-4px); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .stat-grid  { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right var(--transition);
    border-left: 1px solid rgba(0,229,255,.08);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }
  .nav-cta { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 2rem; }
  .section { padding: 64px 0; }
  .page-header { padding: 110px 0 40px; }
}