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

:root {
    --primary-color: #007bff;
    --background-color: #f8f9fa;
    --text-color: #333;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --border-color: #e9ecef;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--card-bg);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

main {
    padding: 2rem 5%;
}

.hero {
    text-align: center;
    padding: 3rem 1rem;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

.hero p {
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 2rem;
}

.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-container i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #aaa;
}

#searchInput {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    outline: none;
    transition: border-color 0.3s ease;
}

#searchInput:focus {
    border-color: var(--primary-color);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tool-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tool-icon i {
    font-size: 2rem;
}

.tool-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #212529;
}

.tool-card p {
    font-size: 0.95rem;
    color: #6c757d;
}

footer {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
}