/* ======================================================================
   SIVARCLOUD - SISTEMA VISUAL PRINCIPAL
   Archivo: public/css/sivar.css
   Orden: base, navegación, componentes, secciones y responsive.
====================================================================== */

/* 1. TOKENS VISUALES */
:root {
    --sc-font-family: "Poppins", Arial, sans-serif;
    --sc-primary: #004AAD;
    --sc-primary-dark: #00347A;
    --sc-primary-soft: #EAF4FF;
    --sc-accent: #00C2FF;
    --sc-accent-dark: #00A6E8;
    --sc-heading: #064EAC;
    --sc-text: #334155;
    --sc-muted: #64748B;
    --sc-background: #F5F7FA;
    --sc-background-alt: #EEF3F8;
    --sc-surface: #FFFFFF;
    --sc-border: rgba(0, 74, 173, 0.11);
    --sc-success-bg: #DCFCE7;
    --sc-success-text: #15803D;
    --sc-error-bg: #FEE2E2;
    --sc-error-text: #B91C1C;
    --sc-radius-sm: 12px;
    --sc-radius-md: 18px;
    --sc-radius-lg: 24px;
    --sc-radius-xl: 30px;
    --sc-shadow-soft: 0 12px 32px rgba(0, 74, 173, 0.09);
    --sc-shadow-card: 0 18px 42px rgba(0, 74, 173, 0.10);
    --sc-shadow-hover: 0 26px 58px rgba(0, 74, 173, 0.16);
    --sc-heading-xl: clamp(2.7rem, 5.7vw, 4.8rem);
    --sc-heading-lg: clamp(2rem, 4vw, 3.35rem);
    --sc-heading-md: clamp(1.35rem, 2.4vw, 1.85rem);
    --sc-body-lg: clamp(1rem, 1.5vw, 1.14rem);
    --sc-container: 1200px;
    --sc-section-space: clamp(72px, 8vw, 112px);
    --sc-transition: 0.28s ease;
}

/* 2. BASE Y NORMALIZACIÓN */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding-top: 0;
    background: var(--sc-background);
    color: var(--sc-text);
    font-family: var(--sc-font-family);
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
button,
input,
select,
textarea {
    font-family: var(--sc-font-family);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    letter-spacing: -0.025em;
}

img {
    max-width: 100%;
}

a {
    transition: color var(--sc-transition), background-color var(--sc-transition),
        border-color var(--sc-transition), transform var(--sc-transition),
        box-shadow var(--sc-transition);
}

.site-main {
    min-height: 60vh;
}

.container {
    width: min(calc(100% - 40px), var(--sc-container));
    margin-inline: auto;
}

/* 3. NAVEGACIÓN */
.navbar{
    position:sticky;
    top:0;
    z-index:999;

    background:rgba(0,74,173,.95);

    backdrop-filter:blur(12px);

    border-bottom:1px solid rgba(255,255,255,.08);

    box-shadow:0 4px 20px rgba(0,0,0,.12);
}

.navbar-container{

    max-width:1280px;

    margin:0 auto;

    padding:0 24px;

    height:72px;

    display:flex;

    align-items:center;

    justify-content:space-between;

}

.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-brand-image{

    height:42px;
    width:auto;
    display:block;
    transition:.3s;
}

.navbar-brand-image:hover{
    transform:scale(1.05);
}

.nav-links{

    display:flex;

    align-items:center;

    gap:2rem;

    list-style:none;

    margin:0;
}

.nav-links a{

    color:#fff;

    text-decoration:none;

    font-weight:600;

    position:relative;

    transition:.3s;
}

.nav-links a::after{

    content:'';

    position:absolute;

    left:0;
    bottom:-5px;

    width:0;
    height:2px;

    background:#00C2FF;

    transition:.3s;
}

.nav-links a:hover{

    color:#00C2FF;
}

.nav-links a:hover::after{
    width:100%;
}

.nav-links a:focus-visible {
    color: #BCEEFF;
}

/* 4. HERO LEGADO: se conserva por compatibilidad */
.hero {
    display: flex;
    min-height: 520px;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, var(--sc-primary), #00AEE8);
    color: #FFFFFF;
    text-align: center;
}

.hero-content {
    width: min(100%, 960px);
}

.hero-logo {
    display: block;
    position: static;
    width: auto;
    max-width: 260px;
    max-height: 100px;
    margin: 0 auto 26px;
    object-fit: contain;
    animation: none;
    transform: none;
}

.hero h1 {
    margin: 0 auto 20px;
    font-size: var(--sc-heading-xl);
    line-height: 1.1;
}

.hero p {
    max-width: 820px;
    margin: 0 auto 30px;
}

/* 5. SECCIONES Y ENCABEZADOS */
.section {
    padding-block: var(--sc-section-space);
}

.section-light {
    background: var(--sc-background-alt);
}

.section-heading {
    max-width: 820px;
    margin: 0 auto 46px;
    text-align: center;
}

.section-eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    color: var(--sc-accent-dark);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.section-title {
    margin: 0 0 14px;
    color: var(--sc-heading);
    font-size: var(--sc-heading-lg);
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
}

.section-description {
    margin: 0;
    color: var(--sc-muted);
    font-size: var(--sc-body-lg);
    line-height: 1.8;
}

.empty-message {
    grid-column: 1 / -1;
    margin: 0;
    color: var(--sc-muted);
    text-align: center;
}

/* 6. BOTONES GLOBALES */
.btn {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 27px;
    background: linear-gradient(135deg, var(--sc-primary), #0067D8);
    color: #FFFFFF;
    border: 0;
    border-radius: 999px;
    box-shadow: 0 11px 25px rgba(0, 74, 173, 0.2);
    cursor: pointer;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
    background: linear-gradient(135deg, var(--sc-accent-dark), var(--sc-accent));
    color: #FFFFFF;
    box-shadow: 0 15px 32px rgba(0, 174, 235, 0.28);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: 3px solid rgba(0, 194, 255, 0.32);
    outline-offset: 3px;
}

.btn-light {
    background: #FFFFFF;
    color: var(--sc-primary);
}

/* 7. CUADRÍCULAS Y TARJETAS PREMIUM */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
}

.card {
    display: flex;
    min-width: 0;
    height: 100%;
    flex-direction: column;
    align-items: center;
    padding: 38px 34px;
    background: var(--sc-surface);
    border: 1px solid var(--sc-border);
    border-radius: var(--sc-radius-lg);
    box-shadow: var(--sc-shadow-card);
    text-align: center;
    transition: transform var(--sc-transition), box-shadow var(--sc-transition),
        border-color var(--sc-transition);
}

.card:hover {
    border-color: rgba(0, 194, 255, 0.3);
    box-shadow: var(--sc-shadow-hover);
    transform: translateY(-7px);
}

.card-icon {
    display: inline-flex !important;
    width: 72px;
    height: 72px;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    background: linear-gradient(135deg, var(--sc-primary), var(--sc-accent));
    color: #FFFFFF;
    border-radius: 20px;
    box-shadow: 0 12px 28px rgba(0, 74, 173, 0.2);
    font-size: 1.65rem;
}

.card h3 {
    margin: 0 0 14px;
    color: var(--sc-primary);
    font-size: var(--sc-heading-md);
    line-height: 1.35;
}

.card p {
    margin: 0 0 24px;
    color: var(--sc-muted);
    line-height: 1.8;
}

.card > .btn,
.card .post-card-content > .btn {
    margin-top: auto;
}

/* 8. SERVICIOS */
.services-section .card-grid {
    align-items: stretch;
}

.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--sc-primary), var(--sc-accent));
    content: "";
    opacity: 0;
    transition: opacity var(--sc-transition);
}

.service-card:hover::before {
    opacity: 1;
}

/* 9. BLOG */
.blog-section .card-grid {
    align-items: stretch;
}

.post-card {
    padding: 0;
    overflow: hidden;
    text-align: left;
}

.post-card:hover {
    transform: translateY(-7px);
}

.post-card-image {
    display: block;
    width: 100%;
    height: 245px;
    object-fit: cover;
    object-position: center;
}

.post-card-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
}

.post-card-content h3 {
    text-align: left;
}

.post-card-content p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4;
}

/* 10. FAQ ACORDEÓN */
.faq-section {
    background: var(--sc-surface);
}

.faq-list {
    display: grid;
    max-width: 940px;
    gap: 18px;
    margin-inline: auto;
}

.faq-item {
    overflow: hidden;
    background: var(--sc-surface);
    border: 1px solid var(--sc-border);
    border-radius: var(--sc-radius-md);
    box-shadow: var(--sc-shadow-soft);
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
}

.faq-item[open] {
    border-color: rgba(0, 194, 255, 0.38);
    box-shadow: var(--sc-shadow-card);
}

.faq-question {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 26px;
    color: var(--sc-primary);
    cursor: pointer;
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.45;
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    display: inline-flex;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    align-items: center;
    justify-content: center;
    background: var(--sc-primary-soft);
    color: var(--sc-primary);
    border-radius: 50%;
    content: "+";
    font-size: 1.35rem;
    transition: transform var(--sc-transition), background-color var(--sc-transition);
}

.faq-item[open] .faq-question::after {
    background: linear-gradient(135deg, var(--sc-primary), var(--sc-accent));
    color: #FFFFFF;
    content: "−";
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 26px 24px;
    color: var(--sc-muted);
    line-height: 1.8;
}

.faq-answer > :first-child {
    margin-top: 0;
}

.faq-answer > :last-child {
    margin-bottom: 0;
}

/* 11. CONTACTO */
.contact-section {
    background:
        radial-gradient(circle at 10% 15%, rgba(0, 194, 255, 0.09), transparent 30%),
        var(--sc-background-alt);
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: stretch;
    gap: 32px;
}

.contact-intro,
.contact-form-card {
    padding: 42px;
    background: var(--sc-surface);
    border: 1px solid var(--sc-border);
    border-radius: var(--sc-radius-lg);
    box-shadow: var(--sc-shadow-card);
}

.contact-intro {
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, var(--sc-primary-dark), var(--sc-primary));
    color: #FFFFFF;
}

.contact-intro::after {
    position: absolute;
    right: -110px;
    bottom: -130px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 194, 255, 0.32), transparent 67%);
    border-radius: 50%;
    content: "";
    pointer-events: none;
}

.contact-intro__icon {
    display: inline-flex;
    width: 62px;
    height: 62px;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    background: rgba(255, 255, 255, 0.13);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 18px;
    font-size: 1.55rem;
}

.contact-intro h3 {
    position: relative;
    z-index: 1;
    margin: 0 0 16px;
    color: #FFFFFF;
    font-size: var(--sc-heading-md);
}

.contact-intro p {
    position: relative;
    z-index: 1;
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
    line-height: 1.8;
}

.contact-benefits {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 16px;
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
}

.contact-benefits li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: rgba(255, 255, 255, 0.93);
}

.contact-benefits i {
    margin-top: 5px;
    color: var(--sc-accent);
}

.contact-form-card h3 {
    margin: 0 0 8px;
    color: var(--sc-primary);
    font-size: var(--sc-heading-md);
}

.contact-form-card__description {
    margin: 0 0 26px;
    color: var(--sc-muted);
}

.contact-form {
    display: grid;
    width: 100%;
    max-width: none;
    gap: 18px;
    margin: 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

.contact-form__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group--full {
    grid-column: 1 / -1;
}

.contact-form label {
    color: var(--sc-text);
    font-size: 0.92rem;
    font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 15px;
    background: #FBFDFF;
    color: var(--sc-text);
    border: 1px solid #CBD5E1;
    border-radius: var(--sc-radius-sm);
    font: inherit;
    outline: none;
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition),
        background-color var(--sc-transition);
}

.contact-form textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    background: #FFFFFF;
    border-color: var(--sc-accent);
    box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.13);
}

.contact-form .btn {
    justify-self: start;
    margin-top: 4px;
}

.turnstile-wrapper {
    min-height: 65px;
}

/* 12. ALERTAS */
.alert {
    width: min(100%, 940px);
    margin: 0 auto 24px;
    padding: 16px 18px;
    border-radius: var(--sc-radius-sm);
}

.alert ul {
    margin-bottom: 0;
}

.alert-success {
    background: var(--sc-success-bg);
    color: var(--sc-success-text);
}

.alert-error {
    background: var(--sc-error-bg);
    color: var(--sc-error-text);
}

/* 13. FOOTER */
.site-footer {
    padding: 34px 20px;
    background: var(--sc-primary);
    color: #FFFFFF;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 18px;
}

.circle-btn {
    display: flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    color: var(--sc-primary);
    border-radius: 50%;
    text-decoration: none;
}

.circle-btn:hover,
.circle-btn:focus-visible {
    background: var(--sc-accent);
    color: #FFFFFF;
    transform: translateY(-2px);
}

/* 14. RESPONSIVE */
@media (max-width: 960px) {
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 64px;
    }

    .navbar,
    .navbar-container {
        height: 64px;
    }

    .navbar-brand-image {
        height: 36px;
        max-width: 150px;
    }

    .nav-links {
        gap: 10px;
        font-size: 0.8rem;
    }

    .hero {
        min-height: 470px;
        padding: 60px 20px;
    }

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

    .card {
        padding: 30px 25px;
    }

    .contact-intro,
    .contact-form-card {
        padding: 32px 24px;
    }

    .contact-form__grid {
        grid-template-columns: 1fr;
    }

    .form-group--full {
        grid-column: auto;
    }

    .contact-form .btn {
        width: 100%;
    }
}

@media (max-width: 520px) {
    .container,
    .navbar-container {
        width: min(calc(100% - 24px), var(--sc-container));
    }

    .nav-links li:nth-child(1),
    .nav-links li:nth-child(3) {
        display: none;
    }

    .faq-question {
        padding: 20px;
    }

    .faq-answer {
        padding: 0 20px 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* 15. ESTADISTICAS PREMIUM FIX */
.stats-section-premium{position:relative;z-index:20;margin-top:-85px;padding:0 0 90px}
.stats-grid-premium{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:24px!important}
.stat-card-premium{background:#fff;border-radius:24px;padding:32px;text-align:center;border:1px solid rgba(0,74,173,.08);box-shadow:0 18px 40px rgba(0,74,173,.08);transition:.35s ease}
.stat-card-premium:hover{transform:translateY(-6px);box-shadow:0 25px 55px rgba(0,74,173,.15)}
.stat-icon-premium{width:68px;height:68px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;border-radius:20px;background:linear-gradient(135deg,#004AAD,#00C2FF);color:#fff;font-size:1.4rem}
.stat-number-premium{color:#004AAD;font-size:2.5rem;font-weight:700;line-height:1}
.stat-title-premium{margin-top:12px;color:#64748b;font-size:1rem}
@media(max-width:900px){.stats-grid-premium{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:600px){.stats-grid-premium{grid-template-columns:1fr!important}.stats-section-premium{margin-top:20px}}

/* =====================================================
   CASOS DE EXITO PREMIUM
===================================================== */

.casos-grid{

    display:grid;

    grid-template-columns:
        repeat(
            auto-fit,
            minmax(
                360px,
                1fr
            )
        );

    gap:32px;
}

.caso-card{

    overflow:hidden;

    background:#fff;

    border-radius:24px;

    border:1px solid rgba(
        0,
        74,
        173,
        .08
    );

    box-shadow:
        0 18px 40px rgba(
            0,
            74,
            173,
            .08
        );

    transition:.35s ease;
}

.caso-card:hover{

    transform:
        translateY(-6px);

    box-shadow:
        0 25px 60px rgba(
            0,
            74,
            173,
            .15
        );
}

/* =====================================
   IMAGEN PREMIUM CASO DE EXITO
===================================== */

.caso-card-image-wrapper{

    display:flex;

    align-items:center;
    justify-content:center;

    height:280px;

    background:
     linear-gradient(
     180deg,
     #ffffff,
     #f8fbff
     );

    padding:25px;

    border-bottom:
        1px solid rgba(
            0,
            74,
            173,
            .08
        );
}

.caso-card-image{

    max-width:90%;

    max-height:220px;

    width:auto;

    height:auto;

    object-fit:contain;
}

.caso-card-content{

    padding:30px;
}

.caso-sector{

    display:inline-flex;

    padding:8px 14px;

    border-radius:999px;

    background:#eef5ff;

    color:#004AAD;

    font-size:.85rem;

    font-weight:600;
}

.caso-card h3{

    margin:18px 0;

    color:#004AAD;
}

.caso-block{

    margin-bottom:22px;
}

.caso-block strong{

    display:block;

    margin-bottom:8px;

    color:#004AAD;
}

.caso-block p{

    margin:0;

    color:#64748b;

    line-height:1.8;
}

.caso-metrica{

    margin-top:28px;

    padding:14px 18px;

    border-radius:999px;

    background:
        linear-gradient(
            135deg,
            #004AAD,
            #00C2FF
        );

    color:#fff;

    text-align:center;

    font-weight:700;
}