/* GLOBAL RESET AND BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    /* Smooth transitions for all elements */
    transition: background-color 0.3s ease-in-out, color 0.3s ease-in-out, border-color 0.3s ease-in-out, box-shadow 0.3s ease-in-out, transform 0.3s;
}

body,
html {
    width: 100%;
    background-color: #0d1117; 
    color: #c9d1d9; 
    min-height: 100vh;
    /* font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; */
}

/* LANDING PAGE CONTAINER */
.landing_page {
    padding: 40px 0;
    background-color: #0d1117;
    background-image: radial-gradient(circle at top left, #1f4068 0%, transparent 40%),
                      radial-gradient(circle at bottom right, #162447 0%, transparent 50%);
    min-height: 100vh;
}

.landing_page h1 {
    color: #4cd1e5; /* Primary Accent: Aqua Blue */
    text-align: center;
    padding-top: 20px;
    font-size: 3em;
    letter-spacing: 3px;
    text-transform: uppercase;
    text-shadow: 0 0 15px rgba(76, 209, 229, 0.7);
    margin-bottom: 50px;
}

/* BUTTONS CONTAINER */
.button-container {
    display: flex;
    justify-content: center;
    gap: 40px; 
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* BASE BUTTON STYLE (UNIVERSITY PREP - HIGH VISIBILITY) */
.landing_page_button {
    padding: 20px 30px;
    font-size: 1.25em; /* Increased size */
    font-weight: 700;
    background-color: #2b3a55; /* Solid, darker background */
    border: 3px solid #54a0ff; /* Thicker, brighter border */
    color: #f1f1f1;
    border-radius: 12px;
    cursor: pointer;
    width: 350px; 
    letter-spacing: 1px;
    /* Stronger, more prominent shadow for depth and clickability */
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.6);
}

.landing_page_button:hover {
    background-color: #54a0ff; /* FULL COLOR fill on hover */
    color: #0d1117;
    border-color: #54a0ff;
    /* Move up and scale for a strong "press me" feel */
    transform: translateY(-5px) scale(1.03); 
    box-shadow: 0 15px 30px rgba(84, 160, 255, 0.8); /* Stronger glow on hover */
}

/* === UNIVERSAL SPINNING BORDER FIX (COMPETITIVE EXAM BUTTON) === */

/* 1. Wrapper to hold the rotating element */
.button-wrapper {
    position: relative;
    display: inline-block;
    padding: 4px; /* Space for the rotation */
    border-radius: 16px; /* Outer corner radius */
    width: 350px; 
    overflow: hidden; /* CRUCIAL: Masks the rotating square to fit the rounded corners */
}

/* 2. The Rotating Element (::before) - UNIVERSAL FALLBACK */
.button-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    /* Strong, contrasting gradient for the effect */
    background: conic-gradient(
        transparent 0%, 
        #4cd1e5 45%, /* Aqua Blue */
        #54a0ff 55%, /* Light Blue */
        transparent 100%
    );
    z-index: -2;
    animation: universalRotate 4s linear infinite;
    filter: drop-shadow(0 0 12px rgba(76, 209, 229, 1)); /* Intense glow */
}

/* 3. Animation Keyframes */
@keyframes universalRotate {
    100% {
        transform: rotate(360deg);
    }
}

/* 4. Style for the Animated Button to hide the gradient's center */
.landing_page_button--animated {
    /* Resets for the animated button */
    border: none !important; /* MUST REMOVE BORDER */
    background-color: #121c2c; /* Very dark background */
    color: #4cd1e5; /* Text color matching the rotating border */
    position: relative; /* Essential for z-index */
    z-index: 1; /* Ensures the button is over the rotating element */
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.9);
}

.landing_page_button--animated:hover {
    background-color: #1e2a38;
    color: #f1f1f1;
    transform: scale(1.02); 
    box-shadow: 0 0 25px rgba(76, 209, 229, 0.5);
}


/* INFO CONTAINER (GLASS MORPHISM SECTION) */
.info_container {
    margin: 40px auto;
    padding: 40px;
    width: 90%;
    max-width: 1200px;
    /* Glassmorphism Effect */
    background: rgba(30, 41, 59, 0.4); 
    border-radius: 16px;
    box-shadow: 0 10px 40px 0 rgba(0, 0, 0, 0.45); /* Stronger shadow */
    backdrop-filter: blur(12px); /* Stronger blur */
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2); 
    color: #e0e0e0;
}

.info_container h2 {
    color: #54a0ff;
    text-align: center;
    font-size: 2.2em; /* Slightly larger */
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(84, 160, 255, 0.5);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.feature-card {
    padding: 30px; /* More padding */
    background: rgba(45, 61, 85, 0.5); 
    border-radius: 12px;
    border-left: 6px solid #4cd1e5; 
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    transform: translateZ(0); /* Performance boost */
}

.feature-card h3 {
    color: #4cd1e5; 
    margin-bottom: 15px;
    font-size: 1.6em;
}

.feature-card p {
    font-size: 1.1em;
    line-height: 1.7;
}

/* FOOTER */
.footer {
    background-color: transparent;
    color: #586980;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid #1f2a38;
    margin-top: 50px;
}


/* === MEDIA QUERIES FOR RESPONSIVENESS === */

@media (max-width: 992px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .landing_page h1 {
        font-size: 2.2em;
    }
    .landing_page_button, .button-wrapper {
        width: 85%; /* Better stacking on smaller devices */
        max-width: 350px; 
        font-size: 1.1em;
        padding: 18px 25px;
    }
    .info_container {
        padding: 30px 20px;
    }
}

@media (max-width: 500px) {
    .landing_page h1 {
        font-size: 1.8em;
    }
    .landing_page_button, .button-wrapper {
        font-size: 25px;
        padding: 15px 10px;
        
        background-color: rgb(15, 77, 131);
        
    }
    .landing_page_button_margin{
      margin-left: 18px;
    }
    .info_container {
        width: 95%;
    }
}