body {
    margin: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #f7f8fa;
    color: #222;
}

header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo img {
    height: 36px;
}
.logo-text {
    font-weight: bold;
    font-size: 1.4rem;
    color: #d32f2f;
    letter-spacing: 1px;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
    padding: 0;
}
.nav-links li a {
    text-decoration: none;
    color: #222;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-links li a:hover {
    color: #d32f2f;
}
.nav-actions button {
    margin-left: 1rem;
    padding: 0.5rem 1.2rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
}
.login-btn {
    background: transparent;
    color: #d32f2f;
    border: 1px solid #d32f2f;
}
.signup-btn {
    background: #d32f2f;
    color: #fff;
}
.hero {
    text-align: center;
    padding: 3rem 1rem 2rem 1rem;
    background: #fff;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.2rem;
    color: #555;
    margin-bottom: 2rem;
}
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}
.tool-card {
    background: #f7f8fa;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    padding: 2rem 1rem 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: box-shadow 0.2s;
}
.tool-card:hover {
    box-shadow: 0 4px 16px rgba(211,47,47,0.12);
}
.tool-card img, .tool-card svg {
    height: 48px;
    margin-bottom: 1rem;
    transition: transform 0.2s cubic-bezier(0.4,0,0.2,1);
}
.tool-card:hover img, .tool-card:hover svg {
    transform: scale(1.15);
}
.tool-card h3 {
    margin: 0.5rem 0 0.3rem 0;
    font-size: 1.1rem;
    color: #d32f2f;
}
.tool-card p {
    font-size: 0.95rem;
    color: #555;
}
footer {
    background: #fff;
    padding: 1.2rem 0 0.5rem 0;
    text-align: center;
    color: #888;
    font-size: 0.95rem;
    margin-top: 2rem;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.03);
}
.footer-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
}
.footer-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.2rem;
}
.footer-links a {
    color: #d32f2f;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.footer-links a:hover {
    color: #a31515;
    text-decoration: underline;
}
.footer-social {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.2rem;
}
.footer-social img {
    width: 24px;
    height: 24px;
    transition: transform 0.2s;
}
.footer-social img:hover {
    transform: scale(1.2) rotate(-5deg);
}