/* =============================================================================
   ChacaPOS Cloud - Landing Page CSS (Modern, Clean, High-Converting SaaS)
   ============================================================================= */

:root {
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --secondary: #0f172a;
    --surface: #ffffff;
    --background: #f8fafc;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Nav */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--secondary);
    text-decoration: none;
}

.brand-badge {
    background: var(--primary);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--surface);
    border-color: var(--text-muted);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 10px;
}

/* Hero Section */
.hero {
    padding: 80px 24px 60px;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary-hover);
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    color: var(--secondary);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--primary);
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 760px;
    margin: 0 auto 36px;
}

.hero-cta-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-guarantee {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 13px;
    color: var(--text-muted);
}

.hero-guarantee span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Feature Grid */
.section {
    padding: 80px 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-badge {
    color: var(--primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.section-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    align-items: stretch;
}

.pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.2);
    transform: scale(1.02);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 6px;
}

.plan-desc {
    color: var(--text-muted);
    font-size: 13px;
    min-height: 40px;
    margin-bottom: 20px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.price-currency {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary);
}

.price-amount {
    font-size: 40px;
    font-weight: 800;
    color: var(--secondary);
    letter-spacing: -1px;
}

.price-period {
    color: var(--text-muted);
    font-size: 14px;
}

.plan-features {
    list-style: none;
    margin-bottom: 32px;
    flex-grow: 1;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 12px;
}

.plan-features li span.check {
    color: var(--success);
    font-weight: 800;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: var(--surface);
    border-radius: 16px;
    max-width: 580px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 36px;
    position: relative;
    box-shadow: var(--shadow-xl);
    transform: translateY(20px);
    transition: transform 0.25s ease;
}

.modal-overlay.active .modal-box {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--secondary);
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 6px;
}

.form-input, .form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-main);
    background: #fff;
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Footer */
.footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: 60px 24px 30px;
    border-top: 1px solid #334155;
    font-size: 14px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .brand {
    color: #fff;
    margin-bottom: 12px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid #334155;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-title { font-size: 34px; }
    .hero-subtitle { font-size: 16px; }
    .form-row { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
}