/* =========================================
   1. CSS VARIABLES & RESET
   ========================================= */
:root {
    --blue: #0066cc;
    --blue-dark: #004c99;
    --blue-light: #e6f2ff;
    --red: #e63946;
    --yellow: #ffb703;
    --yellow-dark: #e6a600;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --text-dark: #1a1a2e;
    --text-muted: #6c757d;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.text-center {
    text-align: center;
}

/* =========================================
   2. HEADER & NAVIGATION
   ========================================= */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    animation: slideDown 0.8s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }

    to {
        transform: translateY(0);
    }
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--blue), var(--red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 600;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--yellow);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--blue);
}

.nav-links a:hover::after {
    width: 100%;
}

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

/* =========================================
   3. HERO CAROUSEL
   ========================================= */
.hero {
    margin-top: 70px;
    height: 600px;
    position: relative;
    background: var(--gray-light);
    overflow: hidden;
}

.carousel-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
}

/* Vibrant Gradients for Slides (Replace with background-image if you have images) */
.carousel-slide:nth-child(1) {
    background: linear-gradient(135deg, var(--blue), #00c6ff);
}

.carousel-slide:nth-child(2) {
    background: linear-gradient(135deg, var(--red), #ff7e5f);
}

.carousel-slide:nth-child(3) {
    background: linear-gradient(135deg, var(--yellow), #f6d365);
}

.carousel-content {
    text-align: center;
    color: var(--white);
    padding: 20px;
    max-width: 800px;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.carousel-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.carousel-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.carousel-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--white);
    transform: scale(1.3);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
    backdrop-filter: blur(5px);
}

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

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* =========================================
   4. BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    margin: 5px;
}

.btn-primary {
    background: var(--yellow);
    color: var(--text-dark);
    border-color: var(--yellow);
}

.btn-primary:hover {
    background: var(--yellow-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 183, 3, 0.3);
}

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

.btn-secondary:hover {
    background: var(--gray-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}

.btn-outline:hover {
    background: var(--blue);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* =========================================
   5. BANNERS & DISCLAIMER
   ========================================= */
.banners {
    padding: 60px 0;
    background: var(--white);
}

.banners .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.banner-card {
    background: var(--gray-light);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border-top: 5px solid var(--blue);
}

.banner-card:nth-child(2) {
    border-top-color: var(--red);
}

.banner-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.banner-icon {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 20px;
}

.banner-card:nth-child(2) .banner-icon {
    color: var(--red);
}

.banner-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.banner-card p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.disclaimer {
    background: #fff3cd;
    border-left: 5px solid var(--yellow);
    padding: 20px 0;
}

.disclaimer p {
    color: #856404;
    font-size: 0.95rem;
}

.disclaimer i {
    margin-right: 10px;
}

/* =========================================
   6. FEATURES SECTION
   ========================================= */
.features {
    padding: 80px 0;
    background: var(--gray-light);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-bottom-color: var(--blue);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--blue);
    margin-bottom: 20px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--blue);
    color: var(--white);
    transform: rotateY(360deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-muted);
}

/* =========================================
   7. PLATFORMS SECTION
   ========================================= */
.platforms {
    padding: 80px 0;
    background: var(--gray-light);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.platform-card {
    background: var(--white);
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 25px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--blue), var(--red));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.platform-card:hover::before {
    transform: scaleX(1);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: transparent;
}

.platform-card h3 {
    color: var(--blue);
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.sharing-info {
    background: var(--gray-light);
    color: var(--text-dark);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 0.9rem;
    border: 1px dashed var(--yellow);
}

.platform-actions {
    display: flex;
    gap: 10px;
}

.platform-actions .btn {
    flex: 1;
    text-align: center;
    margin: 0;
}

/* =========================================
   8. PRODUCTS SECTION
   ========================================= */
.products {
    padding: 80px 0;
    background: var(--gray-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.product-item {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #e9ecef;
}

.product-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow);
    border-color: var(--yellow);
}

.product-name {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.product-share {
    color: var(--red);
    font-weight: 600;
    font-size: 0.9rem;
}

/* =========================================
   9. USP SECTION
   ========================================= */
.usp-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--blue), var(--blue-dark));
    color: var(--white);
}

.usp-section .section-title {
    color: var(--white);
}

.usp-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    text-align: center;
}

.usp-item {
    padding: 20px;
}

.usp-icon {
    font-size: 3.5rem;
    color: var(--yellow);
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.usp-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.usp-item p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
}

/* =========================================
   10. FOOTER
   ========================================= */
footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 50px 0 20px;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--yellow);
    color: var(--text-dark);
    transform: translateY(-5px) rotate(360deg);
}

.footer-text {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* =========================================
   11. RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

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

    .mobile-menu {
        display: block;
    }

    .carousel-content h1 {
        font-size: 2rem;
    }

    .carousel-content p {
        font-size: 1rem;
    }

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

    .hero {
        height: 500px;
    }
}

/* Complete Mobile Responsive - 2 Cards Per Row */
@media (max-width: 768px) {

    .platforms-grid,
    .products-grid,
    .features-grid,
    .usp-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }

    .banners .container {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }

    .platform-card,
    .product-item,
    .feature-card,
    .banner-card,
    .usp-item {
        padding: 15px !important;
    }

    .platform-card h3,
    .feature-card h3,
    .banner-card h3,
    .usp-item h3 {
        font-size: 0.95rem !important;
    }

    .platform-card p,
    .feature-card p,
    .banner-card p,
    .usp-item p {
        font-size: 0.8rem !important;
    }

    .platform-actions {
        flex-direction: column !important;
        gap: 5px !important;
    }

    .platform-actions .btn {
        font-size: 0.75rem !important;
        padding: 6px 8px !important;
    }

    .sharing-info {
        font-size: 0.7rem !important;
        padding: 5px !important;
    }

    .product-name {
        font-size: 0.8rem !important;
    }

    .product-share {
        font-size: 0.7rem !important;
    }

    .feature-icon {
        width: 45px !important;
        height: 45px !important;
        font-size: 1.2rem !important;
    }

    .banner-icon {
        font-size: 2rem !important;
    }

    .usp-icon {
        font-size: 2rem !important;
    }

    .btn {
        padding: 8px 15px !important;
        font-size: 0.85rem !important;
    }

    .section-title {
        font-size: 1.5rem !important;
    }

    .section-subtitle {
        font-size: 0.9rem !important;
    }
}

/* Very Small Mobile (under 480px) - Keep 2 columns but smaller */
@media (max-width: 480px) {

    .platforms-grid,
    .products-grid,
    .features-grid,
    .usp-grid,
    .banners .container {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .platform-card,
    .product-item,
    .feature-card,
    .banner-card,
    .usp-item {
        padding: 10px !important;
    }

    .platform-card h3 {
        font-size: 0.85rem !important;
    }

    .nav-links {
        gap: 15px !important;
    }

    .nav-links a {
        font-size: 0.9rem !important;
    }
}