/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Lexend:wght@300;400;700&display=swap');
/* Import Remixicon */
@import 'remixicon/fonts/remixicon.css';

/* Base Variables - Dark Theme */
:root {
    --bg-color: #1a1a1a; /* Dark background from PyLearn */
    --primary-text-color: #e0e0e0; /* Light text from PyLearn */
    --secondary-bg-color: #222222; /* Slightly lighter dark bg */
    --card-bg-color: #2d2d2d; /* Card background */
    --accent-color-1: #ffc107; /* Yellow from PyLearn */
    --accent-color-2: #5dade2; /* Blue from PyLearn */
    --accent-color-js: #F0DB4F; /* JS Yellow from JSLearn */
    --border-color: #444444;
    --font-primary: "Lexend", sans-serif;
    --font-heading: "Bebas Neue", sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--primary-text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
header {
    background-color: var(--secondary-bg-color);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2.2rem; /* Increased logo size */
    font-weight: bold;
    color: var(--accent-color-1); /* Using Python Yellow for main logo */
}

/* Main Content */
main {
    flex-grow: 1;
    width: 100%;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://via.placeholder.com/1200x400/222222/e0e0e0?text=Learning+Background'); /* Placeholder background */
    background-size: cover;
    background-position: center;
    padding: 60px 20px; /* Reduced padding */
    text-align: center;
    color: #fff;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem; /* Decreased heading size */
    margin-bottom: 10px; /* Reduced margin */
}

.hero-content p {
    font-size: 1.1rem; /* Slightly decreased paragraph size */
    font-weight: 300;
}

/* Platforms Section */
.platforms-section {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
}

.platforms-section h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--primary-text-color);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.platform-card {
    background-color: var(--card-bg-color);
    padding: 30px 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.5);
}

/* Platform Logo Image */
.platform-logo {
    width: 60px; /* Adjust size as needed */
    height: 60px; /* Adjust size as needed */
    margin-bottom: 20px;
    object-fit: contain; /* Use contain or cover based on your images */
    /* Add background or border if needed for empty src */
    background-color: var(--secondary-bg-color);
    border-radius: 50%; /* Make it circular if desired */
    padding: 5px; /* Add padding if needed */
}

.platform-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    /* Removed margin-top to rely on image margin */
    margin-bottom: 10px;
    color: var(--primary-text-color);
}

.platform-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1; /* Pushes button down */
}

/* Button */
.button {
    display: inline-block;
    background-color: var(--accent-color-1);
    color: var(--bg-color);
    padding: 10px 25px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: auto; /* Pushes button to bottom */
}

.button:hover {
    background-color: #ffda63; /* Lighter yellow */
    transform: scale(1.05);
}

/* Style JS button differently */
.platform-card:nth-child(2) .button {
    background-color: var(--accent-color-js);
}
.platform-card:nth-child(2) .button:hover {
    background-color: #f7e87e; /* Lighter JS yellow */
}

.button.disabled {
    background-color: #555;
    color: #999;
    cursor: not-allowed;
}
.button.disabled:hover {
    background-color: #555;
     transform: none;
}

/* Footer */
footer {
    background-color: var(--secondary-bg-color);
    color: var(--primary-text-color);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 40px; /* Space above footer */
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo {
        font-size: 2rem; /* Adjusted responsive logo size */
    }
    .hero-content h1 {
        font-size: 2.2rem; /* Adjusted responsive hero heading */
    }
    .hero-content p {
        font-size: 1rem;
    }
    .platforms-section h2 {
        font-size: 2rem;
    }
    .platform-grid {
        grid-template-columns: 1fr; /* Stack cards on smaller screens */
        gap: 20px;
    }
    .platform-card {
        padding: 20px;
    }
    .platform-logo {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    nav {
        padding: 0 15px;
    }
    .logo {
        font-size: 1.8rem; /* Further adjust logo size */
    }
    .hero-content h1 {
        font-size: 1.8rem; /* Further adjust hero heading */
    }
     .hero-section {
        padding: 50px 15px;
    }
    .platforms-section {
         padding: 0 15px;
         margin: 30px auto;
    }
    .platform-card h3 {
         font-size: 1.5rem;
    }
    .button {
         padding: 8px 20px;
         font-size: 0.9rem;
    }
     .platform-logo {
        width: 45px;
        height: 45px;
    }
}