:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-dark: #1e40af;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --accent-green: #10b981;
    --bg-light: #f8fafc;
    --card-border: rgba(226, 232, 240, 0.8);
    --text-muted: #64748b;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: #1e293b;
    background-color: #ffffff;
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    backdrop-filter: blur(12px);
    background-color: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.45rem;
    letter-spacing: -0.5px;
    color: var(--secondary-color);
}

.brand-accent {
    color: var(--primary-color);
}

.nav-link {
    font-weight: 500;
    color: #475569 !important;
    padding: 0.5rem 1.1rem !important;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

.btn-login {
    background-color: transparent;
    color: var(--primary-color);
    border: 1.5px solid var(--primary-color);
    font-weight: 600;
    padding: 0.45rem 1.3rem;
    border-radius: 9999px;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.btn-login:hover {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

/* Botón Primario */
.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #ffffff;
    font-weight: 600;
    padding: 0.75rem 1.8rem;
    border-radius: 9999px;
    border: none;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.45);
    color: #ffffff;
}

/* Hero Section */
.hero-section {
    padding: 8.5rem 0 5rem 0;
    background: radial-gradient(circle at 10% 10%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.07) 0%, transparent 40%);
    position: relative;
    overflow: hidden;
}

.badge-soft {
    background-color: #eff6ff;
    color: var(--primary-color);
    border: 1px solid #bfdbfe;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    color: var(--secondary-color);
    margin-bottom: 1.25rem;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 580px;
}

/* Mockup Card de Checador en Hero */
.dashboard-preview {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
    padding: 1.75rem;
    position: relative;
}

.status-dot {
    width: 10px;
    height: 10px;
    background-color: var(--accent-green);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.check-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 0.9rem 1.1rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-left: 4px solid var(--primary-color);
    transition: transform 0.2s ease;
}

.check-card:hover {
    transform: translateX(4px);
}

/* Features / Beneficios */
.features-section {
    padding: 6rem 0;
    background-color: var(--bg-light);
}

.section-header {
    margin-bottom: 3.5rem;
}

.section-subtitle {
    text-transform: uppercase;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--secondary-color);
}

.feature-card {
    background: #ffffff;
    border-radius: 18px;
    padding: 2.25rem 2rem;
    height: 100%;
    border: 1px solid var(--card-border);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 35px rgba(15, 23, 42, 0.07);
    border-color: rgba(37, 99, 235, 0.3);
}

.feature-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

.icon-blue {
    background-color: #eff6ff;
    color: var(--primary-color);
}

.icon-cyan {
    background-color: #ecfeff;
    color: var(--accent-color);
}

.icon-emerald {
    background-color: #ecfdf5;
    color: var(--accent-green);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.9rem;
}

.feature-text {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 0.98rem;
}

/* Contacto Section */
.contact-section {
    padding: 6rem 0;
    background-color: #ffffff;
}

.contact-card {
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid var(--card-border);
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.08);
    padding: 2.75rem 2.5rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #334155;
    margin-bottom: 0.4rem;
}

.form-control {
    border-radius: 10px;
    border: 1.5px solid #cbd5e1;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: #94a3b8;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid #1e293b;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: #ffffff;
    text-decoration: none;
    margin-bottom: 0.75rem;
    display: inline-block;
}

.footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: #ffffff;
}

.footer-divider {
    border-top: 1px solid #334155;
    margin: 2.5rem 0 1.5rem 0;
}