/* Custom Styles */
        :root {
            --primary: #2c3e50;
            --secondary:  #021c39b1;
            --nav-highlight: #064286; /* solid color used for nav underline/highlight */
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: #333;
            padding-top: 80px;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6,
        .navbar-brand,
        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
        }
        
        /* Sticky Header */
        .sticky-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .navbar-brand {
            color: var(--primary);
            font-size: 1.8rem;
            transition: all 0.3s ease;
        }
        
        .navbar-brand:hover {
            transform: scale(1.05);
        }
        
        .nav-link {
            color: var(--dark);
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s;
            position: relative;
        }

        /* Logo image inside navbar */
        .navbar-logo {
            height: 60px;
            width: auto;
            display: inline-block;
            vertical-align: middle;
        }
        
        /* Hover / click / focus effects for nav items */
        .nav-link {
            transition: color 0.2s ease, transform 0.18s ease, box-shadow 0.18s ease;
        }

        .nav-link:hover,
        .nav-link:focus {
            transform: translateY(-3px);
            color: var(--primary);
            outline: none;
        }

        .nav-link:active {
            transform: translateY(-1px) scale(0.997);
        }

        /* persistent active state (set via JS on click or by server-side) */
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        
        .nav-link:before {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--nav-highlight);
            transition: width 0.28s cubic-bezier(.2,.9,.2,1);
        }
        
        .nav-link:hover:before,
        .nav-link.active:before {
            width: 100%;
        }
        
        /* Mobile Sidebar Navigation */
        .sidebar {
            position: fixed;
            top: 0;
            right: -300px;
            width: 300px;
            height: 100%;
            background: var(--primary);
            z-index: 2000;
            padding: 80px 30px 30px;
            transition: right 0.4s ease;
            box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
        }
        
        .sidebar.open {
            right: 0;
        }
        
        .sidebar .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 1.5rem;
            color: white;
            background: none;
            border: none;
            cursor: pointer;
        }
        
        .sidebar-nav {
            list-style: none;
            padding: 0;
        }
        
        .sidebar-nav li {
            margin-bottom: 15px;
        }
        
        .sidebar-nav a {
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-radius: 5px;
            transition: all 0.3s;
        }
        
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
            padding-left: 20px;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        
        .overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* Enhanced Banner Section */
        .banner {
            background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(2, 28, 57, 0.9) 100%), 
                        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="20" cy="20" r="5" fill="%233498db" opacity="0.12"/><circle cx="50" cy="50" r="8" fill="%23e74c3c" opacity="0.12"/><circle cx="80" cy="30" r="6" fill="%232ecc71" opacity="0.12"/><circle cx="70" cy="70" r="7" fill="%23f1c40f" opacity="0.12"/><circle cx="30" cy="80" r="4" fill="%239b59b6" opacity="0.12"/></svg>');
            background-size: cover;
            position: relative;
            overflow: hidden;
            color: white;
            padding: 120px 0;
            text-align: center;
            margin-bottom: 50px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease 0.3s forwards;
        }
        
        .banner h1 {
            font-size: 3.8rem;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: -0.5px;

/* Banner contact button: white background, black text, subtle border */
.btn.btn-primary.btn-contact {
    background-color: #ffffff !important;
    border-color: rgba(11,37,64,0.12) !important;
    color: #0b2540 !important;
    box-shadow: 0 6px 18px rgba(11,37,64,0.06);
}
.btn.btn-primary.btn-contact:hover {
    background-color: #f6f7f9 !important;
    color: #02192e !important;
    transform: translateY(-2px);
}
.btn.btn-primary.btn-contact:active {
    transform: translateY(0);
}

/* Subtle opacity for all buttons to give a softer look */
.btn {
    opacity: 0.96;
    transition: opacity 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.btn:hover,
.btn:focus {
    opacity: 1;
}
/* Respect disabled state explicitly */
.btn:disabled,
.btn.disabled {
    opacity: 0.6 !important;
    pointer-events: none;
}

/* Make banner buttons slightly transparent for a softer look */
.banner .btn-primary {
    background-color: rgba(13,82,140,0.92); /* slightly transparent blue */
    border-color: rgba(13,82,140,0.92);
}
.banner .btn-primary:hover,
.banner .btn-primary:focus {
    background-color: rgba(13,82,140,1);
    border-color: rgba(13,82,140,1);
}

.banner .btn.btn-primary.btn-contact {
    background-color: rgba(255,255,255,0.92) !important; /* slightly transparent white */
    border-color: rgba(11,37,64,0.12) !important;
}
.banner .btn.btn-primary.btn-contact:hover,
.banner .btn.btn-primary.btn-contact:focus {
    background-color: rgba(255,255,255,1) !important;
}
            text-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        
        .banner h2 {
            font-size: 2.2rem;
            font-weight: 600;
            margin-bottom: 25px;
            color: rgba(255,255,255,0.9);
        }
        
        .banner p {
            font-size: 1.25rem;
            max-width: 700px;
            margin: 0 auto 30px;
            line-height: 1.6;
            color: rgba(255,255,255,0.85);
        }

        .banner .btn-primary {
            padding: 14px 35px;
            font-size: 1.1rem;
            border-radius: 50px;
            box-shadow: 0 10px 25px rgba(6, 66, 134, 0.4);
            transition: all 0.3s ease;
        }

        .banner .btn-primary:hover {
            transform: translateY(-5px) scale(1.05);
            box-shadow: 0 15px 30px rgba(6, 66, 134, 0.5);
        }

        /* Banner layout: text left, image right (responsive) */
        .banner .banner-text {
            text-align: left;
            color: white;
            padding-right: 2rem;
        }

        .banner .banner-img img {
            max-width: 100%;
            height: auto;
            display: inline-block;
            border-radius: 12px;
            filter: drop-shadow(0 20px 30px rgba(0,0,0,0.3));
            transform: perspective(1000px) rotateY(-5deg);
            transition: all 0.5s ease;
        }

        .banner .banner-img img:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        @media (max-width: 991.98px) {
            .banner .banner-text,
            .banner .banner-img { text-align: center; }
            .banner { padding: 80px 0; }
            .banner .banner-text { padding-right: 0; }
            .banner h1 { font-size: 2.8rem; }
            .banner h2 { font-size: 1.8rem; }
            .banner p { font-size: 1.1rem; }
            .banner .banner-img img {
                transform: none;
                max-height: 280px;
            }
        }

        /* Floating molecules (decorative) */
        .molecule {
            position: absolute;
            pointer-events: none;
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
            opacity: 0.95;
            filter: drop-shadow(0 6px 18px rgba(0,0,0,0.22));
            transform: translateZ(0);
            will-change: transform, opacity;
            mix-blend-mode: screen;
            z-index: 1;
        }

        /* ensure banner content sits above molecules */
        .banner .container { position: relative; z-index: 3; }

        @keyframes floatY {
            0% { transform: translateY(0) translateX(0) rotate(0deg) scale(1); }
            25% { transform: translateY(-18px) translateX(6px) rotate(6deg) scale(1.03); }
            50% { transform: translateY(-32px) translateX(12px) rotate(10deg) scale(1.02); }
            75% { transform: translateY(-18px) translateX(6px) rotate(6deg) scale(1.01); }
            100% { transform: translateY(0) translateX(0) rotate(0deg) scale(1); }
        }

        @keyframes slowSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

        /* multiple molecule SVG variants with different colors for variety */
        .m1 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 90 90'><g fill='%23064286'><circle cx='45' cy='45' r='14'/><circle cx='18' cy='45' r='6'/><circle cx='72' cy='45' r='6'/><circle cx='45' cy='18' r='6'/><path d='M24 45 L36 45' stroke='%23064286' stroke-width='2' stroke-linecap='round'/><path d='M54 45 L66 45' stroke='%23064286' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 100px; height: 100px; top: 8%; left: 6%; animation: floatY 8s ease-in-out infinite; animation-delay: 0s; }
        .m2 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80'><g fill='%233498db'><circle cx='40' cy='40' r='10'/><circle cx='16' cy='40' r='5'/><circle cx='64' cy='40' r='5'/><circle cx='40' cy='16' r='5'/><path d='M22 40 L34 40' stroke='%233498db' stroke-width='2' stroke-linecap='round'/><path d='M46 40 L58 40' stroke='%233498db' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 64px; height: 64px; top: 22%; right: 8%; animation: floatY 6s ease-in-out infinite; animation-delay: 1s; }
        .m3 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 70'><g fill='%23e74c3c'><circle cx='35' cy='35' r='9'/><circle cx='15' cy='35' r='4'/><circle cx='55' cy='35' r='4'/><circle cx='35' cy='15' r='4'/><path d='M18 35 L30 35' stroke='%23e74c3c' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 52px; height: 52px; bottom: 18%; left: 12%; animation: floatY 6.6s ease-in-out infinite; animation-delay: 0.6s; }
        .m4 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 110 110'><g fill='%232ecc71'><circle cx='55' cy='55' r='18'/><circle cx='26' cy='55' r='7'/><circle cx='84' cy='55' r='7'/><circle cx='55' cy='26' r='7'/><path d='M32 55 L46 55' stroke='%232ecc71' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 120px; height: 120px; bottom: 10%; right: 6%; animation: floatY 9s ease-in-out infinite; animation-delay: 1.4s; }
        .m5 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 80 80'><g fill='%23f1c40f'><circle cx='40' cy='40' r='11'/><circle cx='18' cy='40' r='5'/><circle cx='62' cy='40' r='5'/><circle cx='40' cy='18' r='5'/><path d='M22 40 L34 40' stroke='%23f1c40f' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 76px; height: 76px; top: 44%; left: 44%; animation: floatY 7s ease-in-out infinite; animation-delay: 0.2s; }
        .m6 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 60'><g fill='%239b59b6'><circle cx='30' cy='30' r='7'/><circle cx='12' cy='30' r='3'/><circle cx='48' cy='30' r='3'/><circle cx='30' cy='12' r='3'/><path d='M14 30 L24 30' stroke='%239b59b6' stroke-width='2' stroke-linecap='round'/></g></svg>"); width: 36px; height: 36px; top: 6%; right: 28%; animation: floatY 5.2s ease-in-out infinite; animation-delay: 2s; }
        /* additional molecules */
        .m7 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 90 90'><g fill='%23064286'><circle cx='45' cy='45' r='12'/><circle cx='25' cy='45' r='5'/><circle cx='65' cy='45' r='5'/><circle cx='45' cy='22' r='5'/></g></svg>"); width: 84px; height: 84px; top: 30%; left: 8%; animation: floatY 7.4s ease-in-out infinite; animation-delay: 0.9s; opacity: 0.85; }
        .m8 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 70'><g fill='%233498db'><circle cx='35' cy='35' r='9'/></g></svg>"); width: 44px; height: 44px; top: 12%; right: 18%; animation: floatY 6.2s ease-in-out infinite; animation-delay: 1.6s; opacity: 0.9; }
        .m9 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g fill='%23e74c3c'><circle cx='50' cy='50' r='14'/></g></svg>"); width: 96px; height: 96px; bottom: 26%; right: 22%; animation: floatY 8.6s ease-in-out infinite; animation-delay: 0.4s; opacity: 0.8; }
        .m10 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 60'><g fill='%232ecc71'><circle cx='30' cy='30' r='6'/></g></svg>"); width: 56px; height: 56px; bottom: 6%; left: 36%; animation: floatY 6.8s ease-in-out infinite; animation-delay: 1.1s; opacity: 0.9; }
        .m11 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 48 48'><g fill='%23f1c40f'><circle cx='24' cy='24' r='5'/></g></svg>"); width: 44px; height: 44px; top: 52%; right: 40%; animation: floatY 5.8s ease-in-out infinite; animation-delay: 2.2s; opacity: 0.9; }
        .m12 { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><g fill='%239b59b6'><circle cx='50' cy='50' r='16'/></g></svg>"); width: 120px; height: 120px; top: 2%; left: 52%; animation: floatY 9.4s ease-in-out infinite; animation-delay: 0.7s; opacity: 0.78; }

        /* small slow rotation overlay on some molecules */
        .m1, .m4, .m9, .m12 { animation-name: floatY, slowSpin; animation-duration: 8s, 32s; animation-timing-function: ease-in-out, linear; animation-iteration-count: infinite, infinite; }

        /* SVG overlay for connecting lines */
        .molecule-connections {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 2;
        }

        .molecule-connections line {
            stroke: rgba(255,255,255,0.35);
            stroke-width: 1.5;
            stroke-linecap: round;
            transition: stroke 0.2s ease;
            stroke-dasharray: 6 6;
            animation: dash 2s linear infinite;
        }

        @keyframes dash {
            to { stroke-dashoffset: -12; }
        }
        
        .btn-primary {
            background: var(--secondary);
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
            transform: translateY(0);
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
        }
        
        .btn-primary:hover {
            background: #2980b9;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
        }
        
        /* Enhanced Section Styles */
        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            padding-bottom: 15px;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.8s ease;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dark);
        }
        
        .section-title.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        section {
            padding: 100px 0;
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease;
        }
        
        section.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        section:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        /* Animation Delays */
        #exceptional { transition-delay: 0.1s; }
        #about { transition-delay: 0.2s; }
        #vision { transition-delay: 0.3s; }
        #research { transition-delay: 0.4s; }
        #why-us { transition-delay: 0.5s; }
        #contact { transition-delay: 0.6s; }
        
        /* Who We Are & Our Vision */
        .img-container {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            opacity: 0;
            transform: translateX(-30px);
            transition: all 1s ease;
        }
        
        .img-container.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .img-container.right {
            transform: translateX(30px);
        }
        
        .img-container.right.visible {
            transform: translateX(0);
        }
        
        .img-container img {
            width: 100%;
            transition: transform 0.5s;
            border-radius: 10px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }

        /* Mask fade utility: horizontal and vertical soft edges */
        .mask-fade-all {
            -webkit-mask-image: linear-gradient(
                    to right,
                    white 10%,
                    white 95%,
                    transparent
                ),
                linear-gradient(to bottom, transparent, white 10%, white 97%, transparent);

            -webkit-mask-composite: intersect;
            mask-composite: intersect;
            mask-image: linear-gradient(
                    to right,
                    transparent,
                    white 10%,
                    white 98%,
                    transparent
                );
        }
        /* Directional mask utilities */
        .mask-fade-top {
            -webkit-mask-image: linear-gradient(to bottom, transparent, white 12%);
            mask-image: linear-gradient(to bottom, transparent, white 12%);
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        .mask-fade-bottom {
            -webkit-mask-image: linear-gradient(to top, transparent, white 12%);
            mask-image: linear-gradient(to top, transparent, white 12%);
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        .mask-fade-left {
            -webkit-mask-image: linear-gradient(to right, transparent, white 12%);
            mask-image: linear-gradient(to right, transparent, white 12%);
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        .mask-fade-right {
            -webkit-mask-image: linear-gradient(to left, transparent, white 12%);
            mask-image: linear-gradient(to left, transparent, white 12%);
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        /* Horizontal / Vertical helpers and a combined class that applies both fades */
        .mask-fade-horizontal {
            -webkit-mask-image: linear-gradient(
                to right,
                transparent 0%,
                white 10%,
                white 90%,
                transparent 100%
            );
            mask-image: linear-gradient(
                to right,
                transparent 0%,
                white 10%,
                white 90%,
                transparent 100%
            );
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        .mask-fade-vertical {
            -webkit-mask-image: linear-gradient(
                to bottom,
                transparent 0%,
                white 10%,
                white 90%,
                transparent 100%
            );
            mask-image: linear-gradient(
                to bottom,
                transparent 0%,
                white 10%,
                white 90%,
                transparent 100%
            );
            -webkit-mask-composite: source-in;
            mask-composite: intersect;
        }

        .mask-fade-combo {
            /* combine a strong horizontal fade with a lighter vertical fade */
            -webkit-mask-image: linear-gradient(to right, transparent 0%, white 12%, white 88%, transparent 100%),
                                     linear-gradient(to bottom, transparent 0%, white 8%, white 92%, transparent 100%);
            mask-image: linear-gradient(to right, transparent 0%, white 12%, white 88%, transparent 100%),
                        linear-gradient(to bottom, transparent 0%, white 8%, white 92%, transparent 100%);
            -webkit-mask-composite: intersect;
            mask-composite: intersect;
        }
        /* Tile icon styles for cards */
        .tile-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.25rem;
            box-shadow: 0 8px 18px rgba(2,8,23,0.12);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .tile-icon:hover {
            transform: translateY(-6px) scale(1.03);
            box-shadow: 0 16px 30px rgba(2,8,23,0.16);
        }

        .tile-gradient-blue { background: linear-gradient(135deg,#062954, #064286); }
        .tile-gradient-teal { background: linear-gradient(135deg,#04a1a1, #02b199); }
        .tile-gradient-green { background: linear-gradient(135deg,#2ecc71, #28b463); }
        .tile-gradient-orange { background: linear-gradient(135deg,#f39c12, #d35400); }
        .tile-gradient-purple { background: linear-gradient(135deg,#8e44ad, #6c33a1); }
        
        .img-container:hover img {
            transform: scale(1.05);
        }
        
        /* Content animations */
        .content-left {
            opacity: 0;
            transform: translateX(-30px);
            transition: all 1s ease;
        }
        
        .content-left.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .content-right {
            opacity: 0;
            transform: translateX(30px);
            transition: all 1s ease;
        }
        
        .content-right.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* Enhanced Cards */
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            transition: all 0.4s ease;
            height: 100%;
            opacity: 0;
            transform: translateY(30px);
            overflow: hidden;
        }
        
        .card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .card:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
        }
        
        .card-icon {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
        
        .card:hover .card-icon {
            transform: scale(1.2);
            color: var(--accent);
        }
        
        /* Research Section */
        .research-item {
            padding: 25px;
            margin-bottom: 25px;
            border-radius: 12px;
            transition: all 0.4s ease;
            opacity: 0;
            transform: translateX(-20px);
    
        }
        
        .research-item.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .research-item:hover {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        /* Contact Form */
        .contact-form .form-control {
            border-radius: 8px;
            padding: 15px;
            border: 1px solid #ddd;
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
        
        .contact-form .form-control:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
            transform: scale(1.02);
        }
        
        /* Map */
        .map-container {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            height: 100%;
            opacity: 0;
            transform: translateX(30px);
            transition: all 1s ease;
        }
        
        .map-container.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 80px 0 40px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 1s ease;
        }
        
        footer.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .social-icons a {
            color: white;
            font-size: 1.5rem;
            margin-right: 15px;
            transition: all 0.3s;
            display: inline-block;
        }
        
        .social-icons a:hover {
            color: var(--secondary);
            transform: translateY(-5px);
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        /* Enhanced Typography */
        h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }
        
        h3 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 1.2rem;
            color: var(--dark);
        }
        
        h4 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        
        h5 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: var(--dark);
        }
        
        p.lead {
            font-size: 1.25rem;
            font-weight: 400;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        
        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes fadeInLeft {
            from {
                opacity: 0;
                transform: translateX(-30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(30px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }
        
        /* Parallax effect for sections */
        .parallax-bg {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
        }