:root {
    --color-primary: #005674;
    --color-primary-dark: #00455e;
    --color-accent: #fd4c00;
    --color-accent-light: #fd5d19;
    --color-accent-fade: #fd4c0099;
    --color-light: #f8f9fa;
    --color-dark: #212529;
    --color-gray: #dfe0e1;
    --color-white: #ffffff;
    --color-text: #000000;
    --color-text-light: #ffffff;
    --color-text-muted: #6c757d;
    --border-radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', sans-serif;
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

b, strong {
    font-weight: 600;
}

/* --- NAVBAR --- */
.navbar-light {
    --bs-bg-opacity: 1;
    background-color: var(--color-white) !important;
    border-bottom: 1px solid rgba(0, 86, 116, 0.1) !important;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.14);
}

/* --- BOTONES --- */
.btn-primary {
    background: linear-gradient(to right, var(--color-accent), var(--color-accent-light));
    color: var(--color-text-light);
    border: none;
    border-radius: 100px;
    padding: 0.75rem 1.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
    will-change: transform;
    box-shadow: 0 2px 10px rgba(253, 76, 0, 0.2);
}

    .btn-primary:hover,
    .btn-primary:focus,
    .btn-primary:active:focus {
        transform: translateY(-3px);
        box-shadow: 0 10px 24px var(--color-accent-fade);
        outline: 3px solid var(--color-accent-fade);
    }

/* --- HERO --- */
.hero {
    background: linear-gradient(135deg, var(--color-primary), #000000);
    border-radius: var(--border-radius-lg);
    color: var(--color-text-light);
    padding: 120px 12px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

    .hero h1 {
        font-size: 3.4rem;
        font-weight: 700;
        letter-spacing: 0.8px;
        margin-bottom: 20px;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.8s ease forwards;
        animation-delay: 0.2s;
    }

    .hero h5 {
        font-size: 1.35rem;
        margin: 20px auto 0;
        line-height: 1.7;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.8s ease forwards;
        animation-delay: 0.4s;
    }

    .hero p {
        font-size: 1rem;
        margin: 20px auto 0;
        line-height: 1.7;
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.8s ease forwards;
        animation-delay: 0.6s;
    }

/* --- TÍTULOS DE SECCIÓN --- */
.section-title {
    font-size: 2.6rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 50px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    scroll-margin-top: 100px;
}

@media (max-width: 768px) {
    .hero {
        padding: 30px 12px;
    }
    .hero h1 {
        font-size: 2.6rem;
    }
    .section-title {
        font-size: 2rem;
    }
}

/* --- UTILIDADES --- */
.py-6 {
    padding-top: 6rem !important;
    padding-bottom: 6rem !important;
}

.mb-6 {
    margin-bottom: 6rem !important;
}

.border-radius-20 {
    border-radius: var(--border-radius-lg);
}

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

.opacity-0 {
    opacity: 0;
}

/* --- TARJETAS --- */
.celmec {
    --color-primary: #054494;
    --color-primary-dark: #032a5b;
}

.meztli {
    --color-primary: #2e6f40;
    --color-primary-dark: #1d4528;
}

.case-card {
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    border-radius: var(--border-radius-lg);
    color: var(--color-text-light);
    padding: 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(6px);
    will-change: transform;
    text-decoration: none;
    border: none;
}

    .case-card:hover {
        color: var(--color-text-light);
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        cursor: pointer;
    }

.case-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.case-need {
    font-size: 1rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.92);
}

.case-solution {
    font-size: 0.95rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

.read-more-link {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: flex-start;
    margin-top: 12px;
}

    .read-more-link .chv {
        font-size: 1.2rem;
        transition: var(--transition);
    }

    .read-more-link .text {
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

.case-card:hover .read-more-link .chv {
    opacity: 0;
    visibility: hidden;
}

.case-card:hover .read-more-link .text {
    opacity: 1;
    visibility: visible;
}

/* --- PLANES --- */
.plan-card,
.best-plan-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--color-light);
    color: var(--color-text);
    padding: 32px;
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    position: relative;
}

.plan-card {
    border-color: var(--color-primary);
}

    .plan-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
    }

.plan-card-descripcion {
    border-top: 1px solid var(--color-gray);
}

.plan-card-mes {
    font-size: 1rem;
}

.best-plan-card {
    border-color: var(--color-accent);
    position: relative;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(253, 76, 0, 0.14);
}

    .best-plan-card::before {
        content: "Favorito";
        position: absolute;
        top: 12px;
        right: -35px;
        background: var(--color-accent);
        color: white;
        font-size: 0.85rem;
        font-weight: 600;
        padding: 6px 36px;
        transform: rotate(45deg);
        z-index: 1;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.24);
    }

    .best-plan-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 10px 28px var(--color-accent-fade);
    }
/* --- TABLAS --- */
.table-modern {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 16px;
    overflow: hidden;
    font-size: 1rem;
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}

    .table-modern th {
        background: linear-gradient(135deg, var(--color-primary), var(--color-primary));
        color: var(--color-text-light);
        font-weight: 600;
        letter-spacing: 0.5px;
        padding: 16px 12px;
    }

    .table-modern td {
        padding: 16px 12px;
        border-bottom: 1px solid var(--color-gray);
        background-color: var(--color-light);
    }

    .table-modern tbody tr:last-child td {
        border-bottom: none;
    }

    .table-modern tbody tr:hover {
        background-color: #f0f7ff;
        transition: var(--transition);
    }

/* --- LISTAS Y TEXTOS --- */
.li-titulo {
    font-weight: 600;
    margin: 0.75rem 0 0.5rem;
    color: var(--color-primary);
}

.espaciodigital-span {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 1rem;
    background: rgba(253, 76, 0, 0.12);
    padding: 3px 8px;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(253, 76, 0, 0.1);
}

/* --- FAQ --- */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    background-color: #ffffff;
    transition: box-shadow 0.3s ease;
}

    .faq-item:hover {
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    }

.faq-question {
    width: 100%;
    text-align: left;
    padding: 20px 28px;
    background: var(--color-light);
    color: var(--color-primary);
    font-size: 1.15rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

    .faq-question:hover {
        background: #e8f5fa;
    }

    .faq-question:focus {
        outline: 3px solid var(--color-accent-fade);
        outline-offset: 2px;
    }

    .faq-question[aria-expanded="true"] {
        background: var(--color-primary);
        color: white;
    }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
            color: white;
        }

.faq-icon {
    font-size: 1.2rem;
    color: var(--color-accent);
    transition: var(--transition);
}

.faq-answer {
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background: white;
}

    .faq-answer p {
        padding: 18px 0;
        margin: 0;
        color: #444;
        line-height: 1.7;
    }

.faq-item.active .faq-answer {
    max-height: 400px;
}

@media (max-width: 768px) {
    .faq-question {
        font-size: 1.05rem;
        padding: 18px 24px;
    }

    .faq-answer p {
        padding: 16px 0;
    }
}

/* --- BOTÓN VOLVER ARRIBA --- */
#scrollToTopBtn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    border-radius: 50%;
    font-size: 1.6rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 86, 116, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    will-change: transform;
}

    #scrollToTopBtn:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 20px rgba(0, 86, 116, 0.4);
    }

/* --- COLORES --- */
.webz-color {
    color: var(--color-primary);
}

.emphasis-color {
    color: var(--color-accent);
}

/* --- REDES SOCIALES --- */
.social-icons {
    margin-top: 20px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #f8f9fa;
    color: #6c757d;
    font-size: 1.6rem;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-decoration: none;
}

    .social-icon:hover {
        background: var(--color-primary);
        color: white;
        transform: translateY(-4px);
        box-shadow: 0 6px 16px rgba(0, 86, 116, 0.2);
    }

@media (max-width: 576px) {
    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }
}

/* --- FOOTER --- */
.footer-section {
    background-color: var(--color-dark);
    color: #ffffff;
    padding: 5rem 0 2.5rem;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-quote {
    font-size: 1.45rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.8rem;
    opacity: 0.96;
    letter-spacing: 0.4px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom {
    margin-top: 1.2rem;
    font-size: 0.98rem;
    color: #9aa3ad;
}

@media (max-width: 576px) {
    .footer-section {
        padding: 3.5rem 0 1.8rem;
    }

    .footer-quote {
        font-size: 1.2rem;
        padding: 0 20px;
    }
}

/* --- LOGO --- */
.navbar-brand img {
    height: 52px;
    width: auto;
    transition: transform 0.2s ease;
}

    .navbar-brand img:hover {
        transform: scale(1.08);
    }

/* --- ANIMACIONES --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

    [data-aos].aos-animate {
        opacity: 1;
        transform: translateY(0);
    }