/* Landing Page Specific Styles - Reto Vigor 21 (Forja Serena) */
:root {
    /* --- Sistema de Color: Forja Serena --- */
    --vv-black-deep: #0E0F0F;
    --vv-black-carbon: #141414;
    --vv-graphite: #1D1F1E;
    --vv-border: #343633;

    --vv-ivory: #F7F4EC;
    --vv-warm-gray: #B8B3A8;
    --vv-sand: #D9C6A3;

    --vv-gold: #C6A15B;
    --vv-gold-light: #E4C77F;
    --vv-gold-dark: #8B6826;

    --vv-success: #6F8F6B;
    --vv-error: #C86B63;
    --vv-amber-vigor: #B76A30;
    
    /* Tipografía Principal y Secundaria */
    --font-main: 'Manrope', sans-serif;
    --font-serif: 'Source Serif 4', serif;

    /* Espaciado de Escritorio */
    --section-padding-y: 60px;
    --section-padding-y-large: 60px;
    --content-gap: 28px;
    --card-gap: 20px;
}

@media (max-width: 768px) {
    :root {
        /* Espaciado Móvil */
        --section-padding-y: 40px;
        --section-padding-y-large: 40px;
        --content-gap: 20px;
        --card-gap: 14px;
    }
}

body {
    background-color: var(--vv-black-deep);
    color: var(--vv-ivory);
    font-family: var(--font-main);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

*, *::before, *::after {
    box-sizing: border-box;
}

/* Tipografía Básica */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-main);
    color: inherit;
    line-height: 1.15;
    margin: 0;
}

h1 { font-size: clamp(2.5rem, 11vw, 4.75rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h3 { font-size: clamp(1.5rem, 2.4vw, 1.875rem); font-weight: 700; }

p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--vv-warm-gray);
    margin-bottom: 1.5rem;
    max-width: 68ch;
}

/* Helpers de Tipografía */
.serif-text { font-family: var(--font-serif); }
.gold-text { color: var(--vv-gold); }
.dark-text { color: var(--vv-black-carbon); }
.muted-text { color: var(--vv-warm-gray); }
.bold { font-weight: 700; }
.italic { font-style: italic; }
.text-center { text-align: center; }
.text-left { text-align: left; }

.small-label {
    font-size: clamp(0.75rem, 1.2vw, 0.875rem);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

/* Indicadores de Continuidad (Scroll) */
.scroll-indicator {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--vv-warm-gray);
    margin-top: 30px;
    padding: 10px;
    min-height: 44px;
    min-width: 44px;
    transition: color 0.3s;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.scroll-indicator:hover, .scroll-indicator:focus-visible {
    color: var(--vv-gold);
    outline: none;
}
.scroll-indicator i {
    font-size: 1.2rem;
    margin-top: 5px;
    animation: bounce 2s infinite ease-in-out;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}
@media (prefers-reduced-motion: reduce) {
    .scroll-indicator i { animation: none; }
}

/* Espaciados (Utility) */
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mt-40 { margin-top: 40px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.pt-30 { padding-top: 30px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Contenedores y Layout */
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
    padding-inline: clamp(20px, 4vw, 48px);
}

/* Secciones (Ritmo de fondos) */
.section-deep { background-color: var(--vv-black-deep); color: var(--vv-ivory); }
.section-carbon { background-color: var(--vv-black-carbon); color: var(--vv-ivory); }
.section-graphite { background-color: var(--vv-graphite); color: var(--vv-ivory); }
.section-ivory { background-color: var(--vv-ivory); color: var(--vv-black-carbon); }
.section-ivory p { color: var(--vv-black-carbon); }
.section-sand { background-color: var(--vv-sand); color: var(--vv-black-carbon); }
.section-sand p { color: var(--vv-black-carbon); }

/* Nav / Header */
.landing-nav {
    position: fixed;
    top: 0; width: 100%;
    background: rgba(20, 20, 20, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--vv-border);
    transition: background 0.3s ease;
}
.navbar-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; height: 72px;}
.nav-logo { height: 32px; object-fit: contain; }
.nav-menu { display: flex; gap: 24px; align-items: center; }
.nav-link { color: var(--vv-ivory); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--vv-gold); }

.menu-toggle { display: none; font-size: 1.5rem; cursor: pointer; color: var(--vv-ivory); }

@media (max-width: 768px) {
    .nav-menu { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: var(--vv-black-carbon); padding: 20px; border-bottom: 1px solid var(--vv-border); }
    .nav-menu.active { display: flex; }
    .menu-toggle { display: block; }
}

/* Botones / CTAs */
.btn-primary {
    background: var(--vv-gold);
    color: var(--vv-black-carbon);
    min-height: 56px;
    border-radius: 11px;
    font-weight: 700;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    font-family: var(--font-main);
    gap: 12px;
}
.btn-primary:hover {
    background: var(--vv-gold-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(247,244,236,0.55);
    color: var(--vv-ivory);
    min-height: 56px;
    border-radius: 11px;
    font-weight: 700;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    transition: border 0.2s, background 0.2s;
    font-family: var(--font-main);
    gap: 12px;
}
.btn-secondary:hover {
    border-color: var(--vv-ivory);
    background: rgba(247,244,236,0.05);
}

.btn-outline-dark {
    background: transparent;
    border: 1px solid var(--vv-border);
    color: var(--vv-black-carbon);
    min-height: 56px;
    border-radius: 11px;
    font-weight: 700;
    padding: 0 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    cursor: pointer;
    transition: border 0.2s, background 0.2s;
    gap: 12px;
}
.btn-outline-dark:hover {
    border-color: var(--vv-black-carbon);
    background: rgba(20,20,20,0.05);
}

/* Tarjetas (Cards) */
.card-solid {
    border-radius: 14px;
    border: 1px solid var(--vv-border);
    padding: 24px 28px;
    background: var(--vv-graphite);
    box-shadow: 0 10px 30px rgba(0,0,0,.16);
    display: flex;
    flex-direction: column;
}
@media (max-width: 768px) {
    .card-solid {
        padding: 20px;
        border-radius: 12px;
    }
}
.card-solid i { font-size: 1.5rem; color: var(--vv-gold); margin-bottom: 16px; }
.card-solid h4 { font-size: 1.25rem; margin-bottom: 8px; color: var(--vv-ivory); }
.card-solid p { margin: 0; font-size: 1rem; color: var(--vv-warm-gray); line-height: 1.5;}

.card-light {
    border-radius: 14px;
    border: 1px solid rgba(0,0,0,0.1);
    padding: 24px 28px;
    background: #FFFFFF;
    box-shadow: 0 10px 30px rgba(0,0,0,.05);
    display: flex;
    flex-direction: column;
}
.card-light h4 { color: var(--vv-black-carbon); }
.card-light p { color: var(--vv-graphite); }

/* Franja de Confianza */
.trust-strip {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    padding: 40px 5%;
}
.trust-strip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--vv-ivory);
    font-weight: 600;
}
.trust-strip-item i { color: var(--vv-gold); font-size: 1.2rem; }

/* Grid Helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }

@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Listas / Checklists */
.checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}
.checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 1.125rem;
}
.checklist i { color: var(--vv-gold); margin-top: 4px; }
.checklist.dark li { color: var(--vv-black-carbon); }
.checklist.dark i { color: var(--vv-gold-dark); }

/* Línea de Tiempo (Cómo Funciona) */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}
.timeline-step {
    position: relative;
    padding-top: 20px;
}
.timeline-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--vv-gold);
    margin-bottom: 10px;
    font-family: var(--font-main);
    line-height: 1;
}
.timeline-step h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    color: var(--vv-black-carbon);
}
.timeline-step p {
    font-size: 1rem;
    color: var(--vv-graphite);
    margin: 0;
}
@media (max-width: 900px) {
    .timeline-grid { grid-template-columns: 1fr; gap: 30px; }
    .timeline-step { display: flex; gap: 20px; padding-top: 0; align-items: flex-start; border-left: 2px solid rgba(0,0,0,0.1); padding-left: 20px;}
    .timeline-num { margin-bottom: 0; min-width: 30px; }
}

/* La Forja / Bloques de notificación */
.forja-bg {
    position: relative;
}
.notification-block {
    background: var(--vv-ivory);
    border: 1px solid var(--vv-gold);
    padding: 30px;
    border-radius: 14px;
    display: inline-block;
    color: var(--vv-black-carbon);
    text-align: left;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.notification-block h3 { color: var(--vv-gold-dark); margin: 10px 0; }
.notification-block p { color: var(--vv-black-carbon); margin: 0; }

/* Maderas */
.wood-badge {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin-bottom: 20px;
}

/* iOS Guide */
.ios-guide-box {
    background: var(--vv-graphite);
    border: 1px solid var(--vv-border);
    border-radius: 12px;
    padding: 24px;
    margin-top: 20px;
}
.ios-guide-box ol { margin: 0 0 0 20px; padding: 0; }
.ios-guide-box li { margin-bottom: 12px; color: var(--vv-ivory); }

/* Accordions (FAQ y Bases) */
.accordion {
    border: 1px solid var(--vv-border);
    border-radius: 12px;
    margin-bottom: 16px;
    background: var(--vv-graphite);
    overflow: hidden;
}
.accordion-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.125rem;
    transition: background 0.2s;
    color: var(--vv-ivory);
}
.accordion-header:hover { background: rgba(255,255,255,0.03); }
.accordion-header i { transition: transform 0.25s; color: var(--vv-gold); }
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 24px;
}
.accordion.active .accordion-content {
    max-height: 1000px;
    padding: 0 24px 24px 24px;
}
.accordion.active .accordion-header i {
    transform: rotate(45deg);
}

.accordion.light {
    background: #FFFFFF;
    border-color: rgba(0,0,0,0.1);
}
.accordion.light .accordion-header { color: var(--vv-black-carbon); }
.accordion.light .accordion-content { color: var(--vv-graphite); }
.accordion.light .accordion-content p { color: var(--vv-graphite); margin-top: 10px; }

/* Sticky Mobile CTA */
.mobile-sticky {
    position: fixed;
    bottom: 0; left: 0; width: 100%;
    background: var(--vv-black-carbon);
    border-top: 1px solid var(--vv-border);
    padding: 12px 5%;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    box-shadow: 0 -5px 20px rgba(0,0,0,0.3);
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.3s ease-in-out;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.mobile-sticky.visible { transform: translateY(0); }
.mobile-sticky .sticky-text { font-weight: 600; font-size: 0.9rem; color: var(--vv-ivory); }

@media (min-width: 769px) {
    .mobile-sticky { display: none !important; }
}

/* Utilidades Editoriales */
.editorial-quote {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    text-align: center;
    font-style: italic;
    font-weight: 400;
    line-height: 1.4;
    color: var(--vv-black-carbon);
    margin: 60px auto;
    max-width: 800px;
}
.editorial-quote.dark {
    color: var(--vv-ivory);
}

.icon-linear {
    stroke-width: 1.5px;
    stroke: currentColor;
    fill: none;
}
/* ==================================================
   Bases Completas (Grid y Acorde�n)
   ================================================== */
#bases-panel {
    background-color: #F7F4EC;
    padding: 20px;
    border-radius: 8px;
    display: grid;
    gap: 15px;
}
@media (min-width: 768px) {
    #bases-panel {
        grid-template-columns: minmax(180px, 240px) 1fr; 
    }
    details.base-detail {
        grid-column: 1 / -1;
    }
}

details.base-detail {
    background: #FFFFFF;
    border: 1px solid var(--vv-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

details.base-detail summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    list-style: none;
    outline: none;
}
details.base-detail summary::-webkit-details-marker {
    display: none;
}
details.base-detail summary:hover {
    background: rgba(0,0,0,0.02);
}
details.base-detail summary i {
    transition: transform 0.3s ease;
}
details.base-detail[open] summary i {
    transform: rotate(180deg);
}
details.base-detail .base-content {
    padding: 0 20px 20px 20px;
    font-size: 0.95rem;
    color: var(--vv-warm-gray);
    line-height: 1.6;
}


/* ==================================================
   Normalización de Botones (:focus-visible)
   ================================================== */
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-outline-dark:focus-visible {
    outline: 2px solid var(--vv-gold);
    outline-offset: 4px;
    box-shadow: 0 0 10px rgba(198, 161, 91, 0.5);
}

/* Fix missing utility class */
.max-w-800 { max-width: 800px !important; margin-left: auto !important; margin-right: auto !important; }