/* assets/css/styles.css */
:root {
    --primary: #0f172a;
    /* Slate 900 */
    --primary-light: #334155;
    /* Slate 700 */
    --accent: #2563eb;
    /* Blue 600 */
    --accent-hover: #1d4ed8;
    /* Blue 700 */
    --bg-light: #f8fafc;
    /* Slate 50 */
    --text-main: #1e293b;
    /* Slate 800 */
    --text-muted: #64748b;
    /* Slate 500 */
    --white: #ffffff;
    --success: #16a34a;
    /* Green 600 */
    --error: #dc2626;
    /* Red 600 */
    --border: #e2e8f0;
    /* Slate 200 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 0.5rem;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--white);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 4rem 0;
}

.section-bg {
    background-color: var(--bg-light);
}

.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-4 {
    margin-top: 2rem;
}

/* Typography */
h1,
h2,
h3,
h4 {
    color: var(--primary);
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.subhead {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background-color: var(--bg-light);
}

.btn-full {
    width: 100%;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: -0.025em;
}

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

/* Hero Section */
.hero {
    padding: 5rem 0 4rem;
    text-align: center;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.badge-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-check {
    color: var(--success);
    width: 1.25em;
    height: 1.25em;
}

/* Feature Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-flex;
    width: 2rem;
    height: 2rem;
    background: var(--bg-light);
    color: var(--accent);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 1rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background-color: var(--bg-light);
    font-weight: 700;
}

.comparison-table td.highlight {
    color: var(--success);
    font-weight: 600;
    background-color: #f0fdf4;
    /* gentle green bg */
}

.comparison-table td.negative {
    color: var(--text-muted);
}

/* Pricing */
.pricing-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    background: var(--white);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.pricing-card.popular {
    border-color: var(--accent);
    position: relative;
    box-shadow: var(--shadow-lg);
}

.popular-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin: 1rem 0;
}

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

/* FAQ & Footer */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
}

.faq-question {
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    display: none;
    margin-top: 1rem;
    color: var(--text-muted);
}

.faq-item.active .faq-answer {
    display: block;
}

.footer {
    background-color: var(--primary);
    color: #94a3b8;
    padding: 4rem 0;
}

.footer a {
    color: var(--white);
}

.footer a:hover {
    text-decoration: underline;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-muted);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-input:focus {
    outline: 2px solid var(--accent);
    border-color: transparent;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.875rem;
}

.error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .pricing-card {
        margin-bottom: 1rem;
    }

    .hero-badges {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
}