/* main.css - Web Analysis Solutions Limited */

:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --surface-blue: #eff6ff;
  --primary: #1e3a5f;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --footer-bg: #1e3a5f;
  --font: 'Inter', sans-serif;
  --container: 1200px;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,0.06), 0 10px 40px rgba(0,0,0,0.1);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   Header
================================ */
header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition);
}

header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 48px;
  width: auto;
  display: block;
}

nav .btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 10px 22px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

nav .btn-contact:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

/* ================================
   Hero Slider
================================ */
.hero {
  position: relative;
  height: 580px;
  overflow: hidden;
  background: var(--primary);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s ease;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(30,58,95,0.92) 45%, rgba(37,99,235,0.55) 100%);
}

.slide-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.slide-content .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 14px;
}

.slide-content h2 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 16px;
}

.slide-content h3 {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 480px;
  line-height: 1.6;
}

.slide-content .btn-visit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--accent);
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  width: fit-content;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.slide-content .btn-visit:hover {
  background: #f0f7ff;
  color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.2);
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: background var(--transition);
  backdrop-filter: blur(6px);
}

.slider-btn:hover {
  background: rgba(255,255,255,0.3);
}

.slider-btn.prev { left: 24px; }
.slider-btn.next { right: 24px; }

.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  border: none;
}

.slider-dot.active {
  background: #fff;
  transform: scale(1.4);
}

/* ================================
   Stats Strip
================================ */
.stats {
  background: var(--surface-blue);
  border-bottom: 1px solid #bfdbfe;
  padding: 48px 0;
}

.stats .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
}

.stat-item {
  padding: 16px 24px;
  border-right: 1px solid #bfdbfe;
}

.stat-item:last-child {
  border-right: none;
}

.stat-number {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* ================================
   About Section
================================ */
.about {
  padding: 88px 0;
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  background: var(--surface-blue);
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ================================
   Products Section
================================ */
.products {
  padding: 88px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: #bfdbfe;
}

.card-image {
  height: 160px;
  margin: -40px -40px 32px -40px;
  border-radius: 16px 16px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 40px;
}

.card-image img {
  max-height: 72px;
  max-width: 80%;
  object-fit: contain;
}

.product-card .badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--surface-blue);
  border: 1px solid #bfdbfe;
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.product-card h3 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.product-card .meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.product-card p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  font-size: 15px;
}

.product-card .btn-visit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.product-card .btn-visit:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

/* ================================
   Advertise Section
================================ */
.advertise {
  padding: 88px 0;
  background: var(--primary);
  border-bottom: 1px solid var(--border);
}

.advertise-box {
  text-align: center;
  max-width: 780px;
  margin: 0 auto;
}

.advertise-box .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.advertise-box h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.advertise-box p {
  color: rgba(255,255,255,0.75);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.advertise-box .btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--primary);
  padding: 15px 32px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.advertise-box .btn-contact:hover {
  background: #f0f7ff;
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.25);
}

/* ================================
   Footer
================================ */
.footer-main {
  background: var(--footer-bg);
  padding: 64px 0 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.footer-col p {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.footer-col > a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  display: inline-block;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.footer-col > a:hover {
  color: #fff;
}

.linkedin-link {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: #fff;
}

.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.contact-row i {
  color: rgba(255,255,255,0.4);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 13px;
}

.contact-row a {
  color: rgba(255,255,255,0.65);
  font-size: 14px;
  transition: color var(--transition);
}

.contact-row a:hover {
  color: #fff;
}

.footer-bottom {
  background: #0f2240;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  text-align: center;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  line-height: 1.9;
}

/* ================================
   Scroll to Top
================================ */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--accent);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 200;
  box-shadow: 0 4px 12px rgba(37,99,235,0.4);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-3px);
}

/* ================================
   Privacy / Generic Page Content
================================ */
.page-content {
  padding: 80px 0;
}

.page-content .container {
  max-width: 860px;
}

.page-content h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.page-content .subtitle {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.page-content .subtitle a {
  color: var(--accent);
}

.page-content h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  margin: 36px 0 12px;
}

.page-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.page-content strong {
  color: var(--text);
}

.page-content a {
  color: var(--accent);
}

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

/* ================================
   Responsive
================================ */
@media (max-width: 768px) {
  .top-bar .container {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }

  .hero {
    height: 480px;
  }

  .stats .container {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid #bfdbfe;
  }

  .stat-item:last-child {
    border-bottom: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 400px;
  }

  .slide-content h2 {
    font-size: 2rem;
  }

  .product-card {
    padding: 28px;
  }
}