@font-face {
    font-family: 'Google Sans';
    src: url('./fonts/GoogleSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Google Sans';
    src: url('./fonts/GoogleSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Google Sans';
    src: url('./fonts/GoogleSans-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Google Sans';
    src: url('./fonts/GoogleSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --background: #000000;
    --on-background: #FFFFFF;
    --surface: #121212;
    --on-surface: #F0F0F3;
    --on-surface-variant: #C4C7C5;

    --surface-lowest: #0C0E11;
    --surface-low: #171A1F;
    --surface-container: #21262D;
    --surface-high: #2D333B;
    --surface-highest: #2D333B;

    --primary: #4CD4F8;
    --on-primary: #003645;
    --primary-container: #004F63;
    --on-primary-container: #BFE8FF;

    --secondary: #B39DDB;
    --on-secondary: #250E40;

    --outline: #8C9199;
    --outline-variant: #42474E;
    --error: #FFB4AB;
    --on-error: #690005;

    --font-main: 'Google Sans', sans-serif;
}

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

body {
    background-color: var(--background);
    color: var(--on-surface);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
    NAVBAR
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--outline-variant);
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- LOGO --- */
.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--on-surface);
    transition: opacity 0.2s;
}

.nav-brand:hover {
    opacity: 0.8;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-download-btn {
    background-color: var(--primary);
    color: var(--on-primary);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-download-btn:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.dropdown {
    position: relative;
}

.dropdown-btn {
    background-color: var(--surface-low);
    color: var(--on-surface);
    border: 1px solid var(--outline-variant);
    padding: 8px 16px;
    border-radius: 100px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.dropdown-btn:hover {
    background-color: var(--surface-container);
    border-color: var(--outline);
}

.dropdown-btn .arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.dropdown.open .arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--surface-high);
    border: 1px solid var(--outline-variant);
    border-radius: 12px;
    padding: 8px;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 140px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);

    /* Open animation */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    background: transparent;
    color: var(--on-surface-variant);
    border: none;
    padding: 10px 14px;
    width: 100%;
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--surface-container-highest);
    color: var(--primary);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-content-left {
    flex: 1;
    max-width: 600px;
    text-align: left;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--on-surface);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--on-surface-variant);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.play-badge {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.play-badge:hover {
    transform: scale(1.05);
}

.hero-platform {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    margin-left: 1rem;
}

.hero-image-right {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-img {
    max-width: 320px;
    width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

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

/* ==========================================
   QUICK FEATURES BAR
   ========================================== */
.quick-features-bar {
    background-color: var(--background);
    border-top: 1px solid var(--outline-variant);
    border-bottom: 1px solid var(--outline-variant);
    padding: 1.5rem 0;
}

.quick-features-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
    gap: 3.5rem;
    padding: 0 2rem;
}

.quick-feature-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
    text-align: center;
}

.stat-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--on-background); 
    line-height: 1;
}

.stat-desc {
    font-size: 0.7rem;
    color: var(--on-surface-variant);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}


/* ==========================================
   FEATURE SECTIONS (ZIG-ZAG)
   ========================================== */
.feature-split {
    padding: 6rem 2rem;
    background-color: var(--background);
}

.feature-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.feature-text {
    flex: 1;
}

.feature-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--on-surface);
    line-height: 1.2;
}

.feature-desc {
    font-size: 1.15rem;
    color: var(--on-surface-variant);
    line-height: 1.6;
}

.feature-image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.feature-image {
    max-width: 300px;
    width: 100%;
    height: auto;
}

.feature-container.reverse {
    flex-direction: row-reverse;
}

.bg-variant {
    background-color: var(--surface-lowest) !important;
    border-top: 1px solid var(--outline-variant);
    border-bottom: 1px solid var(--outline-variant);
}

/* ==========================================
   OTHER FEATURES (CARD GRID)
   ========================================== */
.mini-features {
    padding: 6rem 2rem;
}

.mini-features-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--on-surface);
}

.mini-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.mini-card {
    background-color: var(--background);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--outline-variant);
    text-align: left;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.mini-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-variant);
}

.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: var(--primary-container);
    border: 1px solid var(--on-primary-container);
    color: var(--on-primary-container);

    border-radius: 16px;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.icon-feature {
    width: 28px;
    height: 28px;
}

.mini-title {
    font-size: 1.25rem;
    color: var(--on-surface);
    margin-bottom: 1rem;
    font-weight: 600;
}

.mini-desc {
    font-size: 1.05rem;
    color: var(--on-surface-variant);
    line-height: 1.6;
}

/* ==========================================
   FOOTER 
   ========================================== */
.footer {
    background-color: var(--background);
    padding: 2rem 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    color: var(--on-surface-variant);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    gap: 2rem;
}

.footer-link {
    color: var(--on-surface-variant);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary);
}

/* ==========================================
   RESPONSICE
   ========================================== */
@media (max-width: 768px) {
    /* 1. Compact navbar */
    .nav-container {
        padding: 1rem;
    }
    .logo-text { display: none; } 

    /* 2. Hero */
    .hero {
        padding-top: 6rem;
    }
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }
    .hero-content-left {
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    .hero-title { font-size: 3rem; }
    .hero-subtitle { font-size: 1.5rem; }

    /* 3. Stacked quick features */
    .quick-features-container {
        flex-direction: column;
        gap: 2rem;
    }

    /* 4. Zig-Zag features */
    .feature-container,
    .feature-container.reverse {
        flex-direction: column-reverse;
        text-align: center;
        gap: 2rem;
    }
    .feature-split {
        padding: 4rem 1.5rem;
    }
    
    /* 5. Stacked footer */
    .footer-container {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .footer-links {
        justify-content: center;
    }
}