/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

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

html, body {
    height: 100%;
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
}

/* Content Section */
.content-section {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, #1B5471 0%, #0F3A4D 100%);
    color: white;
    padding: 3rem 2rem 2rem;
    text-align: center;
    position: relative;
}

/* Subtle Pattern Overlay */
.content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
    opacity: 0.3;
    z-index: 0;
    pointer-events: none;
}

.content-section > * {
    position: relative;
    z-index: 1;
}

/* Logo Container */
.logo-container {
    margin-bottom: 2rem;
}

.logo-circle {
    width: 120px;
    height: 120px;
    background: #6688C3;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(102, 136, 195, 0.4);
    border: 3px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
    margin: 0 auto;
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* College Info */
.college-info {
    margin-bottom: 2rem;
}

.subtitle {
    font-size: 1.3rem;
    color: #B8D4E3;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.college-info h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #B8D4E3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.college-info h1.year {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
}

/* Welcome Card */
.welcome-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    max-width: 550px;
    width: 100%;
    margin: 0 auto 2rem;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.15),
        0 8px 25px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: fadeInUp 0.6s ease-out;
}

.welcome-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 2rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 160px;
    font-family: 'Poppins', sans-serif;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #6688C3 0%, #5577B2 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(102, 136, 195, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(102, 136, 195, 0.4);
    background: linear-gradient(135deg, #5577B2 0%, #4466A1 100%);
}

.btn-secondary {
    background: rgba(129, 180, 198, 0.2);
    color: #1B5471;
    border: 2px solid rgba(129, 180, 198, 0.5);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(129, 180, 198, 0.3);
    border-color: rgba(129, 180, 198, 0.8);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: auto;
}

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

/* Responsive Design */
@media (max-width: 1024px) {
    .content-section {
        padding: 2.5rem 2rem 2rem;
    }
    
    .college-info h1 {
        font-size: 1.8rem;
    }
    
    .college-info h1.year {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .content-section {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .logo-circle {
        width: 100px;
        height: 100px;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .college-info h1 {
        font-size: 1.6rem;
    }
    
    .college-info h1.year {
        font-size: 2rem;
    }
    
    .welcome-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .welcome-description {
        font-size: 1rem;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .content-section {
        padding: 1.5rem 1rem 1rem;
    }
    
    .logo-container {
        margin-bottom: 1.5rem;
    }
    
    .logo-circle {
        width: 80px;
        height: 80px;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .college-info {
        margin-bottom: 1.5rem;
    }
    
    .college-info h1 {
        font-size: 1.4rem;
    }
    
    .college-info h1.year {
        font-size: 1.8rem;
    }
    
    .welcome-card {
        padding: 1.5rem 1rem;
        border-radius: 16px;
        margin-bottom: 1rem;
    }
    
    .welcome-description {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .btn {
        font-size: 1rem;
        padding: 0.9rem 1.5rem;
    }
    
    .footer {
        padding: 1rem;
        font-size: 0.85rem;
    }
}