/* General Resets and Font Import */

:root {
    --background-color: #f5f5f7; /* Apple's light grey background */
    --content-background: #ffffff; /* White for cards and content areas */
    --primary-text-color: #1d1d1f; /* Apple's primary text color (near black) */
    --secondary-text-color: #6e6e73; /* Apple's secondary text color (grey) */
    --accent-color: #007aff; /* Apple's classic blue */
    --border-color: #d2d2d7; /* Light border color */
    --shadow-color: rgba(0, 0, 0, 0.1); /* Softer shadow */
    --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-code: 'SF Mono', 'Source Code Pro', Menlo, Monaco, Consolas, "Courier New", monospace;
}

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

body {
    font-family: var(--font-primary);
    color: var(--primary-text-color);
    background-image: linear-gradient(to right top, #fbc2eb, #f0c1f1, #e5c1f6, #d9c1fa, #ccc1fd, #c1c5fe, #b6c9ff, #abccff, #9bdaff, #8de7ff, #89f2fa, #95faf0);
    min-height: 100vh;
    background-repeat: no-repeat;
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Main Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
}

header {
    margin-bottom: 40px;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
}

/* Category Styles */
.category-section {
    margin-bottom: 40px;
}

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

/* Card Layout */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.tool-card {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 25px;
    text-decoration: none;
    color: var(--primary-text-color);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.tool-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.tool-card p {
    font-size: 0.95rem;
    color: var(--secondary-text-color);
    line-height: 1.5;
}