/* style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;800;900&display=swap');

:root {
  --primary: #FFFFFF; /* White */
  --secondary: #F8FAFC; /* Light Slate */
  --accent: #DC2626; /* Deep Red */
  --accent-light: #EF4444; /* Bright Red */
  --text-main: #1E293B; /* Slate 800 */
  --text-muted: #64748B; /* Slate 500 */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.05);
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--primary);
  color: var(--text-main);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Outfit', sans-serif;
}

/* Glassmorphism Utilities - Darker for Black theme */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.glass-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(220, 38, 38, 0.5); /* Red border on hover */
  box-shadow: 0 15px 40px rgba(220, 38, 38, 0.15), 0 0 20px rgba(220, 38, 38, 0.05) inset;
}

/* Gradient Text - Red to White */
.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #EF4444 50%, #DC2626 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* Hero Section Slider */
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}
.hero-slide.active {
  opacity: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--primary);
}
::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* Pillars Grid */
.pillar-card {
  position: relative;
  overflow: hidden;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.pillar-letter {
  font-size: 8rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: color 0.4s ease, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 0;
}

.pillar-card:hover .pillar-letter {
  color: rgba(220, 38, 38, 0.08);
  transform: translate(-50%, -50%) scale(1.15);
}

.pillar-content {
  z-index: 1;
  text-align: center;
  padding: 1.5rem;
}

/* Image overlay hover */
.service-img-wrap {
  overflow: hidden;
  position: relative;
  border-radius: 0.5rem;
}
.service-img-wrap img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.service-img-wrap:hover img {
  transform: scale(1.1);
}

/* Marquee / Carousel for certifications */
.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  width: 100%;
}
.marquee-content {
  display: inline-block;
  animation: marquee 30s linear infinite;
}
.marquee-content img {
  display: inline-block;
  height: 100px;
  width: auto;
  margin: 0 30px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.5);
  transition: filter 0.4s ease, transform 0.4s ease;
}
.marquee-content img:hover {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.05);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Navbar active state */
.nav-link {
  position: relative;
  transition: color 0.3s;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -6px;
  left: 0;
  background-color: var(--accent);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}