/* ==========================================================================
   Index - Canal de Ética  |  Premium dark-navy + clean cards
   ========================================================================== */

:root {
    --primary: #003a70;
    --primary-hover: #00284d;
    --teal: #00c4cc;
    --teal-dim: rgba(0, 196, 204, 0.1);
    --accent-red: #e30613;
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #1a2332;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 4px 6px -1px rgba(0,58,112,0.06), 0 2px 4px -1px rgba(0,58,112,0.03);
    --shadow-md: 0 12px 28px -6px rgba(0,58,112,0.1), 0 4px 10px -4px rgba(0,58,112,0.05);
    --shadow-hover: 0 24px 40px -8px rgba(0,58,112,0.14), 0 8px 16px -4px rgba(0,58,112,0.07);
    --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   Root
   ========================================== */
.index-root {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   Header / Nav
   ========================================== */
.index-nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.index-nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.index-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: var(--primary);
    letter-spacing: -0.3px;
}

    .index-brand i {
        font-size: 1.2rem;
        color: var(--teal);
    }

.index-admin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.45rem 0.9rem;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    transition: var(--transition);
}

    .index-admin-link:hover {
        color: var(--primary);
        border-color: rgba(0,58,112,0.3);
        background: rgba(0,58,112,0.04);
    }

/* ==========================================
   Hero
   ========================================== */
.index-hero {
    flex: 1;
    padding: 4rem 1.5rem 3rem;
    animation: fadeUp 0.65s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

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

.index-hero-inner {
    max-width: 1100px;
    margin: 0 auto;
}

/* Texto central */
.index-hero-text {
    text-align: center;
    margin-bottom: 3rem;
}

.index-title {
    font-family: 'DM Sans', 'Segoe UI', system-ui, sans-serif;
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    color: var(--primary);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
    white-space: nowrap;
    margin-bottom: 1rem;
}

.index-subtitle {
    max-width: 580px;
    margin: 0 auto;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.75;
}

    .index-subtitle strong {
        color: var(--text);
    }

/* ==========================================
   Cards grid
   ========================================== */
.index-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.75rem;
    max-width: 900px;
    margin: 0 auto;
}

.icard {
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
    padding: 2.25rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

    /* Borde superior animado al hover */
    .icard::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--teal));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .icard:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(0,58,112,0.12);
    }

        .icard:hover::before {
            transform: scaleX(1);
        }

/* Header de la card (icono + títulos) */
.icard-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.1rem;
}

.icard-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(0, 58, 112, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.icard:hover .icard-icon {
    background: rgba(0, 58, 112, 0.13);
}

.icard-icon-teal {
    background: var(--teal-dim);
    color: var(--teal);
}

.icard:hover .icard-icon-teal {
    background: rgba(0, 196, 204, 0.18);
}

.icard-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.15rem;
    letter-spacing: -0.3px;
}

.icard-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
    font-weight: 500;
}

.icard-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* ==========================================
   Checkboxes dentro de la card
   ========================================== */
.icard-terms {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 1.25rem;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--surface-soft);
}

.icheck {
    display: grid;
    grid-template-columns: 16px 1fr;
    column-gap: 0.6rem;
    align-items: start;
    padding: 0.75rem 0.9rem;
    font-size: 0.825rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1.55;
    transition: background 0.2s;
    user-select: none;
}

    .icheck + .icheck {
        border-top: 1px solid var(--border);
    }

    .icheck:hover {
        background: rgba(0, 58, 112, 0.035);
    }

    .icheck input[type="checkbox"] {
        width: 15px;
        height: 15px;
        margin-top: 0.22rem;
        accent-color: var(--primary);
        cursor: pointer;
    }

    .icheck span {
        display: block;
    }

    .icheck a {
        color: var(--primary);
        font-weight: 600;
        text-decoration: none;
    }

        .icheck a:hover {
            text-decoration: underline;
        }

/* ==========================================
   Botones de la card
   ========================================== */
.icard-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.25rem;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.icard-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 58, 112, 0.22);
}

    .icard-btn-primary:hover:not(.disabled) {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0, 58, 112, 0.32);
        color: #fff;
    }

    .icard-btn-primary.disabled {
        background: linear-gradient(135deg, #cbd5e1, #b0bec5);
        box-shadow: none;
        cursor: not-allowed;
        color: #fff;
    }

.icard-btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--border);
}

    .icard-btn-outline:hover {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(0, 58, 112, 0.2);
    }

/* ==========================================
   Formulario de seguimiento dentro de la card
   ========================================== */
.icard-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.ifield-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.ifield-icon {
    position: absolute;
    left: 0.9rem;
    color: #94a3b8;
    font-size: 0.95rem;
    pointer-events: none;
    z-index: 1;
}

.ifield {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.5rem;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background: var(--surface-soft);
    outline: none;
    transition: var(--transition);
}

    .ifield::placeholder {
        color: #b0bec5;
    }

    .ifield:focus {
        border-color: var(--primary);
        background: var(--surface);
        box-shadow: 0 0 0 4px rgba(0, 58, 112, 0.08);
    }

/* ==========================================
   Modales — consistentes con el sistema
   ========================================== */
.terms-modal-content {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.terms-modal-header {
    background: var(--primary);
    padding: 1.25rem 1.5rem;
    border-bottom: none;
}

.modal-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #fff;
}

.terms-modal-header .modal-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: #fff;
    letter-spacing: -0.3px;
}

.terms-modal-header .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.75;
    transition: var(--transition);
}

    .terms-modal-header .btn-close:hover {
        opacity: 1;
    }

.terms-modal-body {
    padding: 1.75rem 2rem;
    background: var(--bg);
}

.terms-intro {
    font-size: 0.92rem;
    color: var(--text);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.terms-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

    .terms-list li {
        position: relative;
        padding: 0.9rem 1rem 0.9rem 2.75rem;
        background: var(--surface);
        border: 1px solid var(--border);
        border-left: 4px solid var(--primary);
        border-radius: 8px;
        font-size: 0.875rem;
        color: var(--text);
        line-height: 1.65;
        transition: var(--transition);
    }

        .terms-list li:hover {
            border-left-color: var(--primary-hover);
            box-shadow: var(--shadow-sm);
        }

        .terms-list li::before {
            content: "›";
            position: absolute;
            left: 1rem;
            top: 0.85rem;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
        }

.terms-email {
    color: var(--primary);
    font-weight: 600;
    word-break: break-all;
}

.terms-pdf-link {
    color: var(--accent-red);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

    .terms-pdf-link:hover {
        color: #b8040f;
    }

.terms-modal-footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
}

    .terms-modal-footer .btn-secondary {
        background: var(--surface);
        border: 1px solid var(--border);
        color: var(--text-muted);
        font-weight: 600;
        border-radius: 8px;
        transition: var(--transition);
    }

        .terms-modal-footer .btn-secondary:hover {
            background: var(--bg);
        }

    .terms-modal-footer .btn-primary {
        background: var(--primary);
        border: none;
        font-weight: 600;
        border-radius: 8px;
        padding: 0.55rem 1.25rem;
        transition: var(--transition);
    }

        .terms-modal-footer .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0,58,112,0.2);
        }

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 720px) {
    .index-hero {
        padding: 2.5rem 1rem 2rem;
    }

    .index-cards {
        grid-template-columns: 1fr;
    }

    .index-nav-inner {
        padding: 0.75rem 1rem;
    }

    .index-admin-link span {
        display: none;
    }
}

/* ==========================================
   Aviso de emergencias (parte del contenido)
   ========================================== */
.index-notice {
    padding: 1.25rem 1.5rem 0;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.index-warning-box {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: #fff8e6;
    border-left: 4px solid #f59e0b;
    border-radius: 0 10px 10px 0;
    padding: 1rem 1.25rem;
    font-size: 0.85rem;
    color: #92400e;
    box-shadow: var(--shadow-sm);
}

    .index-warning-box i {
        color: #f59e0b;
        font-size: 1rem;
        flex-shrink: 0;
        margin-top: 0.1rem;
    }

    .index-warning-box p {
        margin: 0;
        line-height: 1.55;
    }