/* CSS Variables */

:root {
    --font-primary: 'Google Sans', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Inter', system-ui, -apple-system, sans-serif;
    --color-bg: #ffffff;
    --color-text: #202124;
    --color-dark: #000000;
    --color-light-gray: #f1f3f4;
    --color-muted: #5f6368;
    --color-border: #dadce0;
}


/* Global Styles */

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    overflow-x: hidden;
}


/* Particle Background */

.particle-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: radial-gradient(circle at 20% 30%, rgba(200, 200, 200, 0.3) 1px, transparent 1px), radial-gradient(circle at 80% 70%, rgba(180, 180, 180, 0.3) 1px, transparent 1px), radial-gradient(circle at 50% 50%, rgba(150, 150, 150, 0.2) 1px, transparent 1px);
    background-size: 100px 100px, 120px 120px, 80px 80px;
    background-position: 0 0, 40px 60px, 130px 270px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 100%);
}


/* Navigation */

.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    padding-top: 1rem;
    padding-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar-brand {
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--color-text);
}

.nav-link {
    color: var(--color-muted) !important;
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--color-dark) !important;
}

.btn-download {
    background-color: var(--color-dark);
    color: white;
    border-radius: 32px;
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    border: none;
}

.btn-download:hover {
    background-color: #333;
}


/* CSS-only Toggle */

#navbar-toggle:checked~.navbar-collapse {
    display: block !important;
}


/* Hero Section */

.hero-section {
    min-height: 90vh;
    padding-top: 100px;
    padding-bottom: 100px;
}

.hero-logo span {
    font-size: 1.2rem;
    font-weight: 400;
}

h1.display-1 {
    font-size: 4.5rem;
    letter-spacing: -2px;
    line-height: 1.1;
    background: linear-gradient(135deg, #202124 0%, #5f6368 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-primary-cta {
    background-color: var(--color-dark);
    border: none;
    border-radius: 32px;
    padding: 1rem 2rem;
    font-weight: 500;
    color: white;
}

.btn-primary-cta:hover {
    background-color: #333;
    color: white;
}

.btn-secondary-cta {
    border-radius: 32px;
    padding: 0.8rem 2rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    color: #3c4043;
}

.btn-secondary-cta:hover {
    background-color: var(--color-light-gray);
    color: var(--color-text);
    border-color: var(--color-border);
}


/* Platform Section */

.platform-section h2 {
    color: var(--color-text);
    font-weight: 400;
}

.icon-wave-container {
    height: 120px;
    position: relative;
}

.icon-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #666;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    animation: float 4s ease-in-out infinite;
}

.icon-circle:hover {
    color: var(--color-text);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.icon-circle:nth-child(1) {
    animation-delay: 0s;
}

.icon-circle:nth-child(2) {
    animation-delay: 0.2s;
}

.icon-circle:nth-child(3) {
    animation-delay: 0.4s;
}

.icon-circle:nth-child(4) {
    animation-delay: 0.6s;
}

.icon-circle:nth-child(5) {
    animation-delay: 0.8s;
}

.icon-circle:nth-child(6) {
    animation-delay: 1s;
}

.icon-circle:nth-child(7) {
    animation-delay: 1.2s;
}

.icon-circle:nth-child(8) {
    animation-delay: 1.4s;
}

.icon-circle:nth-child(9) {
    animation-delay: 1.6s;
}

.icon-circle:nth-child(10) {
    animation-delay: 1.8s;
}

.icon-circle:nth-child(11) {
    animation-delay: 2s;
}

.icon-circle:nth-child(12) {
    animation-delay: 2.2s;
}

.icon-circle:nth-child(13) {
    animation-delay: 2.4s;
}

.icon-circle:nth-child(14) {
    animation-delay: 2.6s;
}

.icon-circle:nth-child(15) {
    animation-delay: 2.8s;
}

.icon-circle:nth-child(16) {
    animation-delay: 3s;
}


/* Video Section */

.video-container-wrapper {
    position: relative;
}

.video-container {
    background-color: #000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border: 1px solid #333;
    overflow: hidden;
}

.video-container iframe {
    border: none;
}

.video-controls {
    z-index: 10;
}

.btn-circle {
    width: 40px;
    height: 40px;
    border: none;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-circle:hover {
    background-color: rgba(0, 0, 0, 0.9) !important;
    transform: scale(1.1);
}

.btn-circle i {
    font-size: 1rem;
}


/* Carousel Section */

.carousel-section .card-body {
    min-height: 400px;
}

.gradient-bg-1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.gradient-bg-2 {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.gradient-bg-3 {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.gradient-bg-4 {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

.gradient-bg-5 {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.gradient-bg-6 {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.carousel-btn {
    width: 40px;
    height: 40px;
}


/* Audience Section */

.audience-section h2 {
    font-size: 3rem;
    font-weight: 400;
}

.audience-section h3 {
    font-size: 3rem;
    letter-spacing: -1px;
    font-weight: 300;
}

.audience-section .badge {
    font-size: 0.75rem;
    background-color: var(--color-light-gray) !important;
    color: #3c4043 !important;
    border-color: var(--color-border) !important;
    padding: 0.5rem 1rem;
}

.audience-section .btn-light {
    background-color: #f8f9fa;
    border-color: var(--color-border);
}

.audience-section .btn-light:hover {
    background-color: var(--color-light-gray);
    border-color: var(--color-border);
}


/* Integration Section */

.integration-card {
    background-color: #000000;
    border: 1px solid #333;
}

.bg-iframe {
    z-index: 0;
}

.integration-card .btn-light {
    background-color: #ffffff;
    color: #000000;
    border: none;
}

.integration-card .btn-dark {
    background-color: rgba(0, 0, 0, 0.6);
    color: #9aa0a6 !important;
    border-color: #3c4043 !important;
    backdrop-filter: blur(4px);
}

.integration-card .btn-dark:hover {
    background-color: rgba(0, 0, 0, 0.8);
    color: #ffffff !important;
    border-color: #dadce0 !important;
}


/* Footer Section */

.footer-section {
    background-color: whitesmoke;
    padding-top: 4rem;
    padding-bottom: 3rem;
}

.footer-branding {
    font-size: 12vw;
    letter-spacing: -0.05em;
    font-weight: 700;
    line-height: 0.9;
    margin-bottom: 2rem;
    text-align: center;
}

.footer-section h5 {
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 600;
}

.footer-section a.text-muted {
    font-size: 0.9rem;
    color: var(--color-muted);
}

.footer-section a.text-muted:hover {
    color: var(--color-dark) !important;
}


/* Responsive Design */

@media (max-width: 991.98px) {
    h1.display-1 {
        font-size: 3.5rem;
    }
    .footer-branding {
        font-size: 15vw;
    }
    .navbar-collapse {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--color-border);
    }
}

@media (max-width: 767.98px) {
    h1.display-1 {
        font-size: 2.5rem;
        letter-spacing: -1px;
    }
    .hero-section {
        min-height: 70vh;
        padding-top: 80px;
        padding-bottom: 60px;
    }
    .btn-primary-cta,
    .btn-secondary-cta {
        width: 100%;
        justify-content: center;
    }
    .audience-section h2,
    .audience-section h3 {
        font-size: 2rem;
    }
    .footer-branding {
        font-size: 18vw;
    }
    .carousel-section .card-body {
        min-height: 300px !important;
    }
}

@media (max-width: 575.98px) {
    .icon-circle {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}