:root {
    --bg-dark: #0a0a0c;
    --card-bg: rgba(20, 20, 24, 0.7);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --border: rgba(255, 255, 255, 0.08);
    --glow: 0 0 20px rgba(59, 130, 246, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

.glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 12px;
}

header {
    padding: 2rem 5%;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(8px);
    z-index: 100;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--accent);
}

main {
    flex: 1;
    padding: 4rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeIn 0.8s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Directory Categories */
.category-section {
    margin-bottom: 4rem;
}

.category-title {
    font-size: 1.75rem;
    color: #fff;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.card {
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow);
    border-color: rgba(59, 130, 246, 0.3);
}

.niche-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex: 1;
}

/* Landing Page Specifics */
.tool-header {
    margin-bottom: 3rem;
}

.tool-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #fff;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

ul.features {
    list-style: none;
    margin-bottom: 3rem;
}

ul.features li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

ul.features li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    background: rgba(16, 185, 129, 0.1);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.step {
    display: flex;
    gap: 1rem;
}

.step-num {
    background: var(--accent);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.checkout-panel {
    padding: 2.5rem;
    text-align: center;
    position: sticky;
    top: 100px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #fff;
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    margin-top: 1.5rem;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.guarantee {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .layout {
        grid-template-columns: 1fr;
    }
}