/* Responsive Design */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .glass-card {
        padding: 80px 60px;
        max-width: 600px;
    }

    .title {
        font-size: 2.8rem;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .subtitle-en {
        font-size: 1.1rem;
    }

    .logo {
        max-width: 250px;
    }

    .enter-btn {
        padding: 20px 40px;
        font-size: 1.3rem;
        min-width: 220px;
    }
}

/* Desktop (992px to 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .glass-card {
        padding: 60px 45px;
        max-width: 520px;
    }

    .title {
        font-size: 2.3rem;
        margin-bottom: 18px;
    }

    .subtitle {
        font-size: 1.15rem;
        margin-bottom: 10px;
    }

    .subtitle-en {
        font-size: 1rem;
        margin-bottom: 35px;
    }

    .logo {
        max-width: 200px;
    }

    .logo-container {
        margin-bottom: 30px;
    }

    .enter-btn {
        padding: 18px 36px;
        font-size: 1.15rem;
        min-width: 200px;
    }
}

/* Small Laptop / Large Tablet (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .main-container {
        padding: 20px;
        min-height: 100vh;
        display: flex;
        align-items: center;
    }

    .glass-card {
        padding: 45px 35px;
        max-width: 450px;
    }

    .title {
        font-size: 2rem;
        margin-bottom: 16px;
    }

    .subtitle {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }

    .subtitle-en {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .logo {
        max-width: 170px;
    }

    .logo-container {
        margin-bottom: 25px;
    }

    .enter-btn {
        padding: 16px 32px;
        font-size: 1.05rem;
        min-width: 180px;
    }

    /* Adjust glass orbs for small laptop */
    .orb-1 {
        width: 220px;
        height: 220px;
        top: -110px;
        right: -110px;
    }

    .orb-2 {
        width: 140px;
        height: 140px;
        bottom: -70px;
        left: -70px;
    }

    .orb-3 {
        width: 110px;
        height: 110px;
        left: -55px;
    }
}

/* Small Laptop Screens (900px to 1100px height) */
@media (min-height: 600px) and (max-height: 800px) {
    .main-container {
        padding: 15px;
        min-height: 100vh;
        display: flex;
        align-items: center;
    }

    .glass-card {
        padding: 35px 30px;
        max-width: 420px;
    }

    .title {
        font-size: 1.8rem;
        margin-bottom: 12px;
    }

    .subtitle {
        font-size: 1rem;
        margin-bottom: 6px;
    }

    .subtitle-en {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .logo {
        max-width: 150px;
    }

    .logo-container {
        margin-bottom: 20px;
    }

    .enter-btn {
        padding: 14px 28px;
        font-size: 1rem;
        min-width: 160px;
    }
}

/* Tablet Portrait (576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .main-container {
        padding: 25px;
    }

    .glass-card {
        padding: 40px 30px;
        max-width: 400px;
    }

    .title {
        font-size: 1.9rem;
        margin-bottom: 16px;
    }

    .subtitle {
        font-size: 1rem;
        margin-bottom: 10px;
    }

    .subtitle-en {
        font-size: 0.9rem;
        margin-bottom: 30px;
    }

    .logo {
        max-width: 160px;
    }

    .logo-container {
        margin-bottom: 25px;
    }

    .enter-btn {
        padding: 15px 28px;
        font-size: 1rem;
        min-width: 160px;
        border-radius: 14px;
    }

    /* Adjust glass orbs for tablet */
    .orb-1 {
        width: 200px;
        height: 200px;
        top: -100px;
        right: -100px;
    }

    .orb-2 {
        width: 130px;
        height: 130px;
        bottom: -65px;
        left: -65px;
    }

    .orb-3 {
        width: 100px;
        height: 100px;
        left: -50px;
    }
}

/* Very Short Screens (height less than 600px) */
@media (max-height: 600px) {
    body {
        overflow-y: auto;
    }

    .main-container {
        padding: 10px;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .glass-card {
        padding: 25px 25px;
        max-width: 380px;
        margin: 10px 0;
    }

    .title {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }

    .subtitle {
        font-size: 0.9rem;
        margin-bottom: 5px;
    }

    .subtitle-en {
        font-size: 0.8rem;
        margin-bottom: 20px;
    }

    .logo {
        max-width: 120px;
    }

    .logo-container {
        margin-bottom: 15px;
    }

    .enter-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
        min-width: 140px;
    }

    /* Minimal orbs for short screens */
    .orb-1 {
        width: 120px;
        height: 120px;
        top: -60px;
        right: -60px;
    }

    .orb-2 {
        width: 80px;
        height: 80px;
        bottom: -40px;
        left: -40px;
    }

    .orb-3 {
        width: 60px;
        height: 60px;
        left: -30px;
    }
}

/* Mobile Small (up to 575px) */
@media (max-width: 575px) {
    body {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }
    
    .main-container {
        padding: 15px;
        min-height: 100vh;
    }
    
    .glass-card {
        padding: 35px 25px;
        max-width: 100%;
        border-radius: 18px;
        margin: 20px 0;
    }
    
    .title {
        font-size: 1.7rem;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    
    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 10px;
        line-height: 1.6;
    }
    
    .subtitle-en {
        font-size: 0.85rem;
        margin-bottom: 25px;
        line-height: 1.5;
    }
    
    .logo {
        max-width: 140px;
    }
    
    .logo-container {
        margin-bottom: 25px;
    }
    
    .enter-btn {
        padding: 14px 24px;
        font-size: 0.95rem;
        min-width: 140px;
        border-radius: 12px;
    }
    
    /* Minimal glass orbs for small mobile */
    .orb-1 {
        width: 150px;
        height: 150px;
        top: -75px;
        right: -75px;
    }
    
    .orb-2 {
        width: 100px;
        height: 100px;
        bottom: -50px;
        left: -50px;
    }
    
    .orb-3 {
        width: 80px;
        height: 80px;
        left: -40px;
    }
    
    /* Reduce backdrop blur for better performance on mobile */
    .glass-card {
        backdrop-filter: blur(15px) saturate(150%);
        -webkit-backdrop-filter: blur(15px) saturate(150%);
    }
    
    .glass-orb {
        backdrop-filter: blur(10px);
    }
}

/* Extra Small Mobile (up to 375px) */
@media (max-width: 375px) {
    .glass-card {
        padding: 30px 20px;
        margin: 15px 0;
    }
    
    .title {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
    
    .subtitle-en {
        font-size: 0.8rem;
    }
    
    .logo {
        max-width: 120px;
    }
    
    .enter-btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        min-width: 120px;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .main-container {
        padding: 10px;
    }
    
    .glass-card {
        padding: 25px 30px;
        max-width: 450px;
    }
    
    .title {
        font-size: 1.6rem;
        margin-bottom: 12px;
    }
    
    .subtitle {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }
    
    .subtitle-en {
        font-size: 0.8rem;
        margin-bottom: 20px;
    }
    
    .logo {
        max-width: 120px;
    }
    
    .logo-container {
        margin-bottom: 20px;
    }
    
    .enter-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .glass-card {
        border-width: 0.5px;
    }
    
    .glass-orb {
        border-width: 0.5px;
    }
}