:root {
    --color-bg: #ffffff;
    --color-bg-light: #f8fafc;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-primary: #1e40af; /* Deep corporate blue */
    --color-primary-glow: rgba(30, 64, 175, 0.3);
    --color-secondary: #2563eb; /* Secondary blue */
    --color-accent: #0284c7; /* Light blue accent */
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --glass-bg: rgba(255, 255, 255, 0.85); /* Light glass */
    --glass-border: rgba(0, 0, 0, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background-color: var(--color-bg); color: var(--color-text); font-family: var(--font-sans); line-height: 1.6; }
body { overflow-x: hidden; }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--color-text); line-height: 1.2; }

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

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

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.bg-darker { background-color: #f1f5f9; }

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05); /* Lighter shadow */
}

.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 500; cursor: pointer; transition: var(--transition); border: none; font-family: var(--font-sans); font-size: 1rem; }
.btn-primary { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); color: white; box-shadow: 0 4px 15px var(--color-primary-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4); color: white; }
.btn-secondary { background: transparent; color: var(--color-text); border: 1px solid rgba(0, 0, 0, 0.2); }
.btn-secondary:hover { background: rgba(0, 0, 0, 0.03); border-color: rgba(0, 0, 0, 0.4); }

.navbar { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; padding: 1.5rem 0; transition: var(--transition); }
.navbar.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(12px); padding: 1rem 0; border-bottom: 1px solid var(--glass-border); box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a:not(.btn) { color: var(--color-text-muted); font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--color-primary); }
.mobile-menu-btn { display: none; font-size: 1.5rem; color: var(--color-text); cursor: pointer; }

.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 5rem; overflow: hidden; position: relative; max-width: 1200px; margin: 0 auto; padding-left: 2rem; padding-right: 2rem; }
.hero-content { flex: 1; z-index: 2; }
.hero-visual { flex: 1; position: relative; display: flex; justify-content: center; align-items: center; z-index: 1; }
.hero-title { font-size: 4rem; font-weight: 800; margin-bottom: 0.5rem; }
.hero-subtitle { font-size: 1.5rem; color: var(--color-text-muted); margin-bottom: 1.5rem; font-weight: 400; }
.hero-description { font-size: 1.125rem; color: var(--color-text-muted); margin-bottom: 2.5rem; max-width: 500px; }
.hero-cta { display: flex; gap: 1rem; }

.portrait-card { position: relative; padding: 1rem; width: 350px; height: 450px; border-radius: 24px; z-index: 10; background: white; }
.portrait-placeholder { width: 100%; height: 100%; border-radius: 16px; overflow: hidden; background-color: #e2e8f0; }
.portrait-img { width: 100%; height: 100%; object-fit: cover; opacity: 1; }
.floating-badge { position: absolute; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(8px); border: 1px solid var(--glass-border); padding: 0.75rem 1.25rem; border-radius: 30px; font-weight: 600; font-size: 0.875rem; display: flex; align-items: center; gap: 0.5rem; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08); color: var(--color-text); }
.badge-1 { top: 10%; left: -10%; animation: float 6s ease-in-out infinite; }
.badge-2 { bottom: 15%; right: -15%; animation: float 5s ease-in-out infinite reverse; }
.floating-badge i { color: var(--color-primary); }

@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }
.glow-bg { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(30, 64, 175, 0.1) 0%, rgba(255, 255, 255, 0) 70%); z-index: -1; }

.section-tag { color: var(--color-primary); font-family: var(--font-sans); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.5rem; font-weight: 600; }
.section-title { font-size: 2.5rem; margin-bottom: 1.5rem; }
.section-header { margin-bottom: 4rem; }
.section-header.center { text-align: center; }
.section-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

.about-text p { color: var(--color-text-muted); margin-bottom: 1.5rem; font-size: 1.1rem; }
.stats-row { display: flex; gap: 2rem; margin-top: 3rem; }
.stat-item { border-left: 3px solid var(--color-primary); padding-left: 1rem; }
.stat-number { font-size: 2rem; color: var(--color-primary); font-weight: 700; font-family: var(--font-heading); }
.stat-label { font-size: 0.875rem; color: var(--color-text-muted); font-weight: 500; }

.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.feature-card { padding: 2rem; transition: var(--transition); position: relative; overflow: hidden; background: white; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: radial-gradient(circle at top right, rgba(30, 64, 175, 0.05), transparent 70%); opacity: 0; transition: var(--transition); }
.feature-card:hover { transform: translateY(-5px); border-color: rgba(30, 64, 175, 0.3); box-shadow: 0 10px 40px rgba(0,0,0,0.08); }
.feature-card:hover::before { opacity: 1; }
.card-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: 1.5rem; display: inline-block; padding: 1rem; background: rgba(30, 64, 175, 0.08); border-radius: 12px; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 1rem; }
.feature-card p { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 1.5rem; }
.card-link { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }
.card-link:hover { gap: 0.8rem; }

.role-row { padding: 3rem 0; border-bottom: 1px solid var(--glass-border); }
.role-row:last-child { border-bottom: none; }
.role-info { display: flex; align-items: flex-start; gap: 2rem; }
.role-icon { font-size: 3rem; color: var(--color-secondary); opacity: 0.9; }
.role-details h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.role-details p { color: var(--color-text-muted); max-width: 800px; }

.contact-box { padding: 4rem; text-align: center; max-width: 800px; margin: 0 auto; background: white; }
.contact-box p { color: var(--color-text-muted); margin-bottom: 2rem; font-size: 1.1rem; }
.contact-methods { display: flex; justify-content: center; align-items: center; gap: 2rem; }
.contact-method { display: flex; align-items: center; gap: 0.5rem; font-size: 1.2rem; color: var(--color-primary); background: rgba(30, 64, 175, 0.05); padding: 0.75rem 1.5rem; border-radius: 30px; border: 1px solid var(--glass-border); font-weight: 600; }
.contact-method:hover { background: rgba(30, 64, 175, 0.1); }
.social-links { display: flex; gap: 1rem; }
.social-icon { width: 45px; height: 45px; border-radius: 50%; background: rgba(30, 64, 175, 0.05); display: flex; justify-content: center; align-items: center; border: 1px solid var(--glass-border); color: var(--color-primary); font-size: 1.2rem; }
.social-icon:hover { background: var(--color-primary); color: white; border-color: var(--color-primary); }

footer { padding: 4rem 0 2rem; border-top: 1px solid var(--glass-border); }
.footer-content { display: flex; justify-content: space-between; margin-bottom: 3rem; flex-wrap: wrap; gap: 2rem; }
.footer-logo h3 { font-size: 1.5rem; margin-bottom: 0.5rem; color: var(--color-primary); }
.footer-logo p { color: var(--color-text-muted); font-size: 0.9rem; }
.cert-text { margin-top: 1rem; display: inline-block; padding: 0.5rem 1rem; background: rgba(16, 185, 129, 0.1); color: #059669; border-radius: 4px; font-size: 0.8rem; font-weight: 600; }
.footer-links-group { display: flex; gap: 4rem; }
.footer-col h4 { margin-bottom: 1rem; font-size: 1.1rem; color: var(--color-text); }
.footer-col a { display: block; color: var(--color-text-muted); margin-bottom: 0.5rem; font-size: 0.9rem; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid var(--glass-border); color: var(--color-text-muted); font-size: 0.85rem; }

/* CSR Section & Carousel */
.csr-content-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: stretch; }
.carousel-container { position: relative; height: 400px; padding: 1rem; display: flex; flex-direction: column; overflow: hidden; border-radius: 16px; }
.carousel-track-container { position: relative; height: 100%; overflow: hidden; border-radius: 12px; }
.carousel-track { padding: 0; margin: 0; list-style: none; position: relative; height: 100%; width: 100%; display: flex; transition: transform 0.4s ease-in-out; }
.carousel-slide { min-width: 100%; height: 100%; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(255, 255, 255, 0.8); border: none; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; color: var(--color-primary); z-index: 10; display: flex; justify-content: center; align-items: center; box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: var(--transition); }
.carousel-btn:hover { background: white; transform: translateY(-50%) scale(1.1); box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.carousel-btn-prev { left: 1.5rem; }
.carousel-btn-next { right: 1.5rem; }
.carousel-nav { display: flex; justify-content: center; gap: 0.5rem; position: absolute; bottom: 2rem; left: 0; right: 0; z-index: 10; }
.carousel-indicator { border: none; width: 10px; height: 10px; border-radius: 50%; background: rgba(255, 255, 255, 0.5); cursor: pointer; transition: var(--transition); box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
.carousel-indicator:hover, .carousel-indicator.current-indicator { background: white; transform: scale(1.2); }

@media (max-width: 900px) {
    .hero { flex-direction: column; text-align: center; padding-top: 8rem; }
    .hero-cta { justify-content: center; }
    .hero-description { margin: 0 auto 2.5rem; }
    .hero-visual { margin-top: 3rem; transform: scale(0.9); }
    .section-grid { grid-template-columns: 1fr; }
    .about-text { text-align: center; }
    .stats-row { justify-content: center; }
    .csr-content-wrapper { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-title { font-size: 3rem; }
    .contact-methods { flex-direction: column; }
}
