/* ==============================================
   Adaido - Estilos de las paginas publicas
   (Landing, Pricing, Features)
   Archivo: assets/css/landing.css
   ============================================== */

/* --- Header fijo --- */
.landing-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 100;
}

.landing-header-inner {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
}

.landing-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.landing-logo img {
    height: 32px;
    width: auto;
}

.landing-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.landing-nav a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.landing-nav a:hover {
    color: var(--color-gray-900);
}

.landing-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* --- Hero --- */
.hero {
    padding: calc(var(--header-height) + 4rem) var(--space-6) 5rem;
    max-width: var(--max-width-xl);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-title {
    font-size: var(--text-5xl);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-gray-900);
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Grid animado del hero */
.hero-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 80px;
    gap: 0.75rem;
}

.hero-grid-item {
    background: linear-gradient(135deg, var(--color-primary-50), var(--color-primary-100));
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-primary-100);
    opacity: 0;
    animation: fadeInScale 0.6s ease forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* --- Secciones genericas --- */
.section {
    padding: 5rem var(--space-6);
    max-width: var(--max-width-xl);
    margin: 0 auto;
}

.section-alt {
    background: var(--color-gray-50);
    max-width: 100%;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.section-alt > .features-grid,
.section-alt > .section-title,
.section-alt > .section-subtitle {
    max-width: var(--max-width-xl);
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: var(--text-4xl);
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--color-gray-900);
}

.section-subtitle {
    font-size: var(--text-lg);
    text-align: center;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* --- Pasos (Como funciona) --- */
.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.step {
    text-align: center;
    max-width: 280px;
    padding: 0 1.5rem;
    position: relative;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: var(--text-xs);
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    background: var(--color-primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--color-primary);
}

.step h3 {
    font-size: var(--text-lg);
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.step p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
}

.step-line {
    width: 4rem;
    height: 2px;
    background: var(--color-gray-300);
    margin-top: 2.5rem;
    flex-shrink: 0;
}

/* --- Features grid (3x2) --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: var(--max-width-xl);
    margin: 0 auto;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-lg);
    background: var(--color-primary-50);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
    margin: 0;
}

/* --- Pricing grid --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 960px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.pricing-card:hover {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-lg);
}

.pricing-card-popular {
    border-color: var(--color-primary);
    box-shadow: 0 8px 30px rgba(79, 70, 229, 0.12);
}

.pricing-badge {
    position: absolute;
    top: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
}

.pricing-plan-name {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
}

.pricing-currency {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-500);
    vertical-align: super;
}

.pricing-amount {
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1;
}

.pricing-period {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.pricing-check {
    color: var(--color-success);
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

/* --- CTA section --- */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
    color: #fff;
    text-align: center;
    padding: 5rem var(--space-6);
}

.cta-section h2 {
    font-size: var(--text-3xl);
    color: #fff;
    margin-bottom: 0.75rem;
}

.cta-section p {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

/* --- Footer --- */
.landing-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: 4rem var(--space-6) 0;
}

.landing-footer-inner {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-gray-700);
}

.footer-col .landing-logo img {
    filter: brightness(0) invert(1);
}

.footer-description {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-top: 1rem;
}

.footer-col h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-gray-200);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col ul li a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
    color: #fff;
}

.landing-footer-bottom {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 1.5rem 0;
    text-align: center;
}

.landing-footer-bottom p {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
    margin: 0;
}

.landing-footer-bottom a {
    color: var(--color-primary-500);
    text-decoration: none;
}

.landing-footer-bottom a:hover {
    color: var(--color-primary-100);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-card:last-child {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-top: calc(var(--header-height) + 2rem);
        padding-bottom: 3rem;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 60px;
    }

    .landing-nav {
        display: none;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .step-line {
        width: 2px;
        height: 2rem;
        margin-top: 0;
    }

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

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

    .pricing-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    .landing-footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .cta-section h2 {
        font-size: var(--text-2xl);
    }
}

@media (max-width: 480px) {
    .landing-nav-actions .btn-ghost {
        display: none;
    }

    .hero-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 50px;
    }
}