:root {
    --primary-blue: #0066FF;
    --pink: #FFB3E6;
    --green: #66FFB3;
    --yellow: #FFE666;
    --light-blue: #E6F2FF;
    --dark: #1A1A1A;
    --gray: #666666;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light-gray);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
p { font-size: 1.125rem; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #0052CC;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark);
    border: 2px solid var(--dark);
}

.btn-secondary:hover {
    background-color: var(--dark);
    color: var(--white);
}

.btn-white {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-white:hover {
    background-color: var(--light-blue);
}

        /* Navigation */
        .navbar {
            background: white;
            padding: 16px 60px;
            border: 1px solid #E5E5E5;
            border-radius: 20px;
            margin: 16px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
.logo img {
    height: 40px;
    width: auto;
}

        .nav-links {
            display: flex;
            gap: 36px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: #666;
            font-size: 15px;
            font-weight: 400;
            transition: color 0.3s;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #2B7EFF;
        }

        .btn-partner {
            background: #2B7EFF;
            color: white;
            padding: 12px 28px;
            border: none;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #1A1A1A;
        }

        .btn-partner:hover {
            background: #1a6de6;
            transform: translateY(-2px);
        }

        

        /* Hero Section */
        .hero {
            padding: 60px 80px 40px;
            text-align: center;
            background: white;
            position: relative;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .highlight {
            color: #2B7EFF;
        }

        .hero-subtitle {
            font-size: 17px;
            color: #666;
            line-height: 1.6;
            max-width: 750px;
            margin: 0 auto 36px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 60px;
            align-items: center;
        }

        .btn-primary {
            background: #2B7EFF;
            text-decoration: none;
            color: white;
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: #1a6de6;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: white;
            color: #1A1A1A;
            padding: 14px 32px;
            border: 2px solid #1A1A1A;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background: #1A1A1A;
            color: white;
        }



        @keyframes float {
            0%, 100% { transform: translateY(-50%) translateX(0); }
            50% { transform: translateY(-50%) translateX(10px); }
        }

        /* Image Gallery */
        .image-gallery {
            display: flex;
            gap: 20px;
            justify-content: center;
            align-items: center;
            perspective: 1000px;
        }

        .gallery-card {
            width: 280px;
            height: 380px;
            border-radius: 24px;
            overflow: hidden;
            transition: transform 0.4s;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .gallery-card:nth-child(1) {
            transform: rotate(-8deg) translateY(20px);
        }

        .gallery-card:nth-child(2) {
            transform: scale(1.1);
            z-index: 2;
        }

        .gallery-card:nth-child(3) {
            transform: rotate(8deg) translateY(20px);
        }

        .gallery-card:hover {
            transform: scale(1.15) rotate(0deg) !important;
            z-index: 10;
        }

        .gallery-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Impact Stats */
        .impact-stats {
            padding: 80px 80px 60px;
            background: linear-gradient(180deg, #F0F7FF 0%, #E8F2FF 100%);
            margin-top: 60px;
        }

        .stats-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .stat-item {
            text-align: center;
            background: white;
            padding: 40px 30px;
            border-radius: 20px;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            transition: transform 0.3s;
        }

        .stat-item:hover {
            transform: translateY(-8px);
        }

        .stat-number {
            font-size: 72px;
            font-weight: 900;
            color: #2B7EFF;
            line-height: 1;
            margin-bottom: 12px;
        }

        .stat-text {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.3;
            color: #1A1A1A;
        }

        /* Model Section */
        .model-section {
            padding: 80px 80px;
            background: white;
        }

        .section-badge {
            display: inline-block;
            padding: 10px 28px;
            border: 2px solid #2B7EFF;
            border-radius: 50px;
            color: #2B7EFF;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 32px;
            letter-spacing: 1px;
        }

        .model-title {
            font-size: 42px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 60px;
        }

        .model-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .model-card {
            border-radius: 24px;
            padding: 40px;
            position: relative;
            overflow: hidden;
            transition: transform 0.3s;
        }

        .model-card:hover {
            transform: translateY(-6px);
        }

        .card-1 {
            background: linear-gradient(135deg, #FFD1E8 0%, #FFF0F7 100%);
        }

        .card-2 {
            background: linear-gradient(135deg, #B3FFE6 0%, #E6FFF7 100%);
        }

        .card-3 {
            background: linear-gradient(135deg, #FFE6B3 0%, #FFF7E6 100%);
        }

        .card-4 {
            background: linear-gradient(135deg, #D1E8FF 0%, #F0F7FF 100%);
        }

        .card-number {
            font-size: 96px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 20px;
            opacity: 0.3;
        }

        .card-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .card-text {
            font-size: 16px;
            line-height: 1.6;
            color: #333;
        }

        /* Impact Action Section */
        .impact-action {
            padding: 80px 80px;
            background: white;
        }

        .impact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            max-width: 1100px;
            margin: 0 auto;
        }

        .impact-image {
            width: 100%;
            border-radius: 32px;
            overflow: hidden;
            background: linear-gradient(135deg, #B3E0FF 0%, #E6F3FF 100%);
            padding: 24px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
        }

        .impact-image img {
            width: 100%;
            border-radius: 20px;
            object-fit: cover;
        }

        .impact-badge {
            display: inline-block;
            padding: 8px 20px;
            background: #2B7EFF;
            color: white;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .impact-heading {
            font-size: 38px;
            font-weight: 800;
            margin-bottom: 24px;
            line-height: 1.2;
        }

        .impact-description {
            font-size: 16px;
            line-height: 1.7;
            color: #555;
            margin-bottom: 28px;
        }

        /* CTA Sections */
        .cta-blue {
            background: linear-gradient(135deg, #2B7EFF 0%, #1a6de6 100%);
            padding: 50px 60px;
            border-radius: 40px;
            margin: 60px 80px;
            text-align: center;
            box-shadow: 0 20px 60px rgba(43, 126, 255, 0.3);
        }

        .cta-blue h2 {
            color: white;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 28px;
        }

        .btn-white {
            background: white;
            color: #2B7EFF;
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255,255,255,0.3);
        }

        /* Footer */
        .footer {
            background: #2C2C2C;
            color: white;
            padding: 60px 80px 30px;
        }

        .footer-cta {
            background: white;
            border-radius: 28px;
            padding: 40px 50px;
            margin-bottom: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .footer-cta h3 {
            color: #2B7EFF;
            font-size: 28px;
            font-weight: 800;
            max-width: 600px;
        }

        .btn-cta {
            background: #2B7EFF;
            color: white;
            padding: 14px 32px;
            border: none;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            white-space: nowrap;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 60px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            color: #999;
            margin: 20px 0;
            line-height: 1.6;
        }

        .social-links h4 {
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .social-icons {
            display: flex;
            gap: 10px;
        }

        .social-icon {
            width: 36px;
            height: 36px;
            background: #2B7EFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 16px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .footer-column a,
        .footer-column p {
            display: block;
            color: #999;
            text-decoration: none;
            margin-bottom: 14px;
            font-size: 14px;
        }

        .footer-column a:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            font-size: 13px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: #1A1A1A;
        }

.mobile-only {
    display: none;
}

/* ============================= */
/* TABLET RESPONSIVENESS */
/* ============================= */

@media (max-width: 1024px) {

    .navbar{
        margin:16px 20px;
        padding:16px 24px;
    }

    .mobile-menu-toggle{
        display:block;
    }

    .nav-links{
        display:none;
        position:absolute;
        top:70px;
        left:20px;
        right:20px;
        background:white;
        flex-direction:column;
        padding:20px;
        border-radius:16px;
        gap:16px;
        box-shadow:0 8px 16px rgba(0,0,0,0.1);
        z-index:1000;
    }

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

    .btn-partner{
        display:none;
    }

    .hero{
        padding:60px 30px;
    }

    .hero-title{
        font-size:36px;
    }

    .hero-subtitle{
        font-size:16px;
    }

    .image-gallery{
        flex-direction:column;
        gap:20px;
    }

    .gallery-card{
        width:100%;
        max-width:320px;
        height:360px;
        transform:none !important;
    }

    .impact-stats{
        padding:70px 30px;
    }

    .stats-container{
        grid-template-columns:1fr;
        gap:24px;
    }

    .model-section{
        padding:60px 30px;
    }

    .model-grid{
        grid-template-columns:1fr;
        gap:24px;
    }

    .impact-action{
        padding:60px 30px;
    }

    .impact-content{
        grid-template-columns:1fr;
        gap:40px;
    }

    .cta-blue{
        margin:40px 30px;
        padding:40px 30px;
    }

    .footer{
        padding:50px 30px 30px;
    }

    .footer-cta{
        flex-direction:column;
        text-align:center;
        gap:20px;
        padding:30px;
    }

    .footer-content{
        grid-template-columns:1fr;
        gap:40px;
    }

    .footer-links{
        grid-template-columns:1fr;
        gap:20px;
    }

}


/* ============================= */
/* MOBILE RESPONSIVENESS */
/* ============================= */

@media (max-width: 768px){

    .hero-title{
        font-size:28px;
    }

    .hero-subtitle{
        font-size:15px;
    }

    .hero-buttons{
        flex-direction:column;
        gap:16px;
    }

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

    .stat-number{
        font-size:48px;
    }

    .stat-text{
        font-size:16px;
    }

    .model-title{
        font-size:28px;
    }

    .card-title{
        font-size:22px;
    }

    .card-text{
        font-size:15px;
    }

    .impact-heading{
        font-size:26px;
    }

    .impact-description{
        font-size:15px;
    }

    .impact-image{
        padding:16px;
    }

    .impact-image img{
        width:100%;
        height:auto;
        display:block;
    }

    .cta-blue h2{
        font-size:24px;
    }

    .footer-cta h3{
        font-size:22px;
    }

}