:root {
    --primary: #5087b1;
    --primary-dark: #3d6a8f;
    --primary-light: #6b9ec4;
    --grad1: #5590bd;
    --grad2: #90ddf9;
    --text: #102027;
    --text-light: #4a5f6b;
    --bg-card: rgba(255, 255, 255, 0.95);
    --shadow-sm: 0 2px 8px rgba(16, 32, 39, 0.08);
    --shadow-md: 0 4px 20px rgba(16, 32, 39, 0.12);
    --shadow-lg: 0 12px 40px rgba(16, 32, 39, 0.16);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

html,
body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background: linear-gradient(135deg, var(--grad1) 0%, var(--grad2) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Ensure content sits above the decorative background logo */
.container,
.site-header,
.site-footer,
main,
.hero,
.cta-section {
    position: relative;
    z-index: 1;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url('graphics/logo.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 50% auto;
    opacity: 0.06;
    pointer-events: none;
    z-index: 0;
}

.site-header {
    background: var(--primary);
    color: #fff;
    padding: 48px 0;
    box-shadow: var(--shadow-md);
}

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

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 12px;
}

.logo-img {
    width: 64px;
    height: 64px;
    filter: brightness(0) invert(1);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-8px);
    }
}

.site-header .logo {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.tagline {
    font-size: 18px;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.hero {
    background: var(--bg-card);
    padding: 48px;
    border-radius: var(--radius-lg);
    margin-top: -48px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.hero:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 56px rgba(16, 32, 39, 0.2);
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.lead {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-light);
}

.cta-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 64px;
}

.cta-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
}

.cta-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.cta-card.coming-soon {
    opacity: 0.9;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--grad1), var(--grad2));
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.cta-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.cta-description {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 16px;
}

.store-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.store-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.store-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: var(--transition);
}

.store-btn:hover::before {
    opacity: 1;
}

.store-btn:hover:not(.disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.store-btn:active:not(.disabled) {
    transform: translateY(0);
}

.btn-icon {
    font-size: 20px;
}

.btn-text {
    letter-spacing: 0.5px;
}

.store-btn.appstore {
    background: linear-gradient(135deg, #1a1a1a, #000);
}

.store-btn.playstore {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.store-btn.web {
    background: linear-gradient(135deg, #4caf50, #388e3c);
}

.store-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.screenshots {
    margin-bottom: 64px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 32px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background: white;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(80, 135, 177, 0.1), rgba(144, 221, 249, 0.1));
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.site-footer {
    padding: 48px 0;
    text-align: center;
    margin-top: 64px;
}

.footer-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    letter-spacing: 0.5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .site-header {
        padding: 32px 0;
    }

    .logo-img {
        width: 48px;
        height: 48px;
    }

    .site-header .logo {
        font-size: 36px;
    }

    .tagline {
        font-size: 16px;
    }

    .hero {
        padding: 32px 24px;
        margin-top: -32px;
        margin-bottom: 32px;
    }

    .section-title {
        font-size: 24px;
    }

    .lead {
        font-size: 16px;
    }

    .cta-section {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 48px;
    }

    .cta-card {
        padding: 32px 24px;
    }

    .cta-title {
        font-size: 20px;
    }

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

    body::before {
        background-size: 80% auto;
    }

    .site-footer {
        margin-top: 48px;
        padding: 32px 0;
    }
}

@media (max-width: 480px) {
    .logo-container {
        flex-direction: column;
        gap: 8px;
    }

    .site-header .logo {
        font-size: 28px;
    }

    .store-btn {
        padding: 14px 20px;
        font-size: 15px;
    }
}