/* --- Global Design & Style --- */
:root {
    --primary-color: #4f46e5;
    --secondary-color: #10b981;
    --bg-light: #f8fafc;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
}

/* --- Header & Footer --- */
header {
    background: var(--card-bg);
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo { font-weight: 700; font-size: 1.5rem; text-decoration: none; color: var(--text-dark); }
.logo span { color: var(--primary-color); }

footer {
    text-align: center;
    padding: 40px 20px;
    margin-top: 50px;
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-light);
}

/* --- Main Content & Tool Box --- */
.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.tool-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
}

.tool-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #eef2ff;
    border-radius: 50%;
}
.tool-icon svg { width: 32px; height: 32px; color: var(--primary-color); }

h1 { font-size: 2.25rem; margin-bottom: 10px; }
.subtitle { font-size: 1.1rem; color: var(--text-light); margin-bottom: 30px; }

.action-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.action-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(79, 70, 229, 0.25);
}
.usp-badge {
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* --- SEO Content Sections --- */
.content-section {
    margin-top: 60px;
    text-align: left;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}
.feature-list li {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}
.feature-list li::before {
    content: '✓';
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.5rem;
    margin-right: 15px;
}

.faq-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 15px;
}
.faq-item h3 { margin: 0 0 10px 0; }

/* --- Tool Grid for Homepage & Internal Linking --- */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}
.tool-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-dark);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 7px 20px rgba(0,0,0,0.07);
}
.tool-card h3 { margin: 0 0 10px 0; display: flex; align-items: center; gap: 10px; color: var(--primary-color); }
.tool-card p { margin: 0; font-size: 0.9rem; color: var(--text-light); }
.tool-card svg { width: 20px; height: 20px; }