@import url('https://fonts.googleapis.com/css2?family=Georama:wght@300;400;500;600;700;800&display=swap');

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

:root {
    --color-bg: #000000;
    --color-primary: #00e5ff;
    --color-secondary: #8a2be2;
    --color-primary-glow: rgba(0, 229, 255, 0.3);
    --color-secondary-glow: rgba(138, 43, 226, 0.3);
    --color-text: #ffffff;
    --color-text-muted: rgba(255, 255, 255, 0.6);
    --font-main: 'Georama', sans-serif;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow: hidden;
    min-height: 100vh;
}

.prehome-container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.background-effects {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-primary-glow), transparent);
    top: -100px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-secondary-glow), transparent);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.2), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.95);
    }
    75% {
        transform: translate(-50px, -30px) scale(1.05);
    }
}

.prehome-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    margin-bottom: 4rem;
}

.logo {
    font-size: 5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.logo-image {
    max-width: 280px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    filter: drop-shadow(0 20px 60px rgba(0, 229, 255, 0.3));
    animation: logoFloat 4s ease-in-out infinite;
}

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

.tagline {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 300;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.language-selector {
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.select-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 1rem;
    font-weight: 500;
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    max-width: 500px;
    margin: 0 auto;
}

.language-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.language-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-glow), var(--color-secondary-glow));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.language-card::after {
    content: '';
    position: absolute;
    inset: 2px;
    background: var(--color-bg);
    border-radius: 10px;
    z-index: 0;
}

.lang-flag,
.lang-name {
    position: relative;
    z-index: 1;
}

.lang-flag {
    font-size: 1.5rem;
    margin-bottom: 0.4rem;
    filter: drop-shadow(0 4px 12px rgba(0, 229, 255, 0.3));
}

.lang-name {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}

.language-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--color-primary);
    box-shadow: 0 20px 40px rgba(0, 229, 255, 0.15);
}

.language-card:hover::before {
    opacity: 1;
}

.language-card:hover::after {
    background: rgba(0, 229, 255, 0.05);
}

.language-card:hover .lang-name {
    color: var(--color-primary);
}

.language-card:active {
    transform: translateY(-4px) scale(0.98);
}

/* Loading animation for smooth transition */
.language-card.loading {
    pointer-events: none;
    opacity: 0.7;
}

.language-card.loading .lang-name {
    animation: pulse 0.8s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Noise texture overlay */
.prehome-container::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%27%23noiseFilter%27)" opacity="0.03"/%3E%3C/svg%3E');
    mix-blend-mode: overlay;
}

/* Responsive */
@media (max-width: 768px) {
    .logo {
        font-size: 3.5rem;
    }

    .tagline {
        font-size: 0.75rem;
    }

    .logo-container {
        margin-bottom: 3rem;
    }

    .language-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        max-width: 350px;
    }

    .language-card {
        padding: 0.875rem 0.625rem;
    }

    .lang-flag {
        font-size: 1.25rem;
    }

    .lang-name {
        font-size: 0.7rem;
    }

    .orb-1 {
        width: 300px;
        height: 300px;
    }

    .orb-2 {
        width: 350px;
        height: 350px;
    }

    .orb-3 {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2.75rem;
    }

    .language-grid {
        grid-template-columns: 1fr;
        max-width: 200px;
        gap: 0.5rem;
    }

    .language-card {
        padding: 0.75rem 0.5rem;
    }

    .lang-flag {
        font-size: 1.125rem;
    }

    .lang-name {
        font-size: 0.65rem;
    }
}