/* ===== MODERN REDESIGN CSS ===== */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #ec4899;
  --dark: #1f2937;
  --light: #f9fafb;
  --border: #e5e7eb;
  --text: #374151;
  --text-light: #6b7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar {
  padding: 16px 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--dark);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-menu a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.btn-cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary)) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 6px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  margin-top: 60px;
  background: url('../images/backgrounds/datacenter-servers.jpg') center center / cover no-repeat;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(31, 41, 55, 0.85), rgba(99, 102, 241, 0.75));
  z-index: 0;
}

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

.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #fff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-title .accent {
  background: linear-gradient(135deg, #a5b4fc, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
  padding: 12px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: inline-block;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: #fff;
}

/* ===== SECTIONS ===== */
section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--dark);
}

.section-header h2 .accent {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== CHALLENGES SECTION ===== */
.challenges {
  background: linear-gradient(135deg, rgba(243, 244, 246, 0.95), rgba(249, 250, 251, 0.95)), url('../images/backgrounds/datacenter-corridor.jpg') center center / cover no-repeat;
}

.challenge-card {
  background: #fff;
  padding: 40px 30px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  height: 100%;
}

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

.icon-box {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.icon-1 { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.icon-2 { background: rgba(236, 72, 153, 0.1); color: var(--accent); }
.icon-3 { background: rgba(139, 92, 246, 0.1); color: var(--secondary); }
.icon-4 { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.icon-5 { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.icon-6 { background: rgba(251, 146, 60, 0.1); color: #fb923c; }

.challenge-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.challenge-card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== SOLUTIONS SECTION ===== */
.solutions {
  background: #fff;
}

.solutions-grid .solution-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.solutions-grid .solution-card:hover {
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
  transform: translateY(-8px);
}

.solution-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.solution-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.solution-card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--dark);
}

.solution-card p {
  color: var(--text-light);
  margin-bottom: 20px;
  flex: 1;
}

.card-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  align-self: flex-start;
}

.card-link:hover {
  color: var(--secondary);
}

/* ===== WHY US SECTION ===== */
.why-us {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(139, 92, 246, 0.08)), url('../images/backgrounds/network-cables.jpg') center center / cover no-repeat fixed;
  padding: 80px 0;
}

.why-us h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 60px;
  color: var(--dark);
}

.value-prop {
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  border-left: 4px solid var(--primary);
}

.value-prop h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.value-prop p {
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.9), rgba(139, 92, 246, 0.9)), url('../images/backgrounds/server-room-blue.jpg') center center / cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 100px 0;
}

.cta-section h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.cta-section p {
  font-size: 1.25rem;
  margin-bottom: 40px;
  opacity: 0.95;
}

.cta-section .btn-primary {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* ===== GRID ===== */
.grid {
  display: grid;
  gap: 30px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: #fff;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h4 {
  font-size: 1.125rem;
  margin-bottom: 15px;
}

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

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

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-column p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
  margin: 0;
}

.footer-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-menu li {
  list-style: none;
}

.footer-menu a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 20px;
    gap: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    display: flex;
  }

  .navbar .container {
    flex-wrap: wrap;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .nav-menu {
    gap: 16px;
  }

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 60px 0;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-menu {
    flex-direction: column;
    gap: 0.75rem;
  }

  /* Fix Why Choose Section on Tablet */
  [style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }

  .why-stats[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
}

@media (max-width: 480px) {
  .nav-menu {
    gap: 8px;
    font-size: 0.9rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }

  .challenge-card,
  .solution-card {
    padding: 30px 20px;
  }

  .why-choose-section .container {
    display: block !important;
    grid-template-columns: 1fr !important;
    gap: 0 !important;
    padding: 40px 0 !important;
  }

  .why-content {
    margin-bottom: 40px;
  }

  .why-stats {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .stat-item {
    background: white !important;
    padding: 30px !important;
    border-radius: 12px !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05) !important;
  }
}