/* ==============================================
   valvulas.css  ·  prefijo: .vi-
   ============================================== */

:root {
    --vi-navy:   #02042B;
    --vi-blue:   #D5EBF8;
    --vi-accent: #1B6CA8;
    --vi-gray:   #F4F6F8;
    --vi-white:  #FFFFFF;
    --vi-text:   #1A1C2E;
    --vi-muted:  #5A6070;
    --vi-radius: 14px;
    --vi-shadow: 0 8px 32px rgba(2, 4, 43, 0.12);
}

.vi-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}


/* ============================================================
   HERO
   ============================================================ */
.page-hero--valvulas {
    background-image: url('../img/iniciofondo.jpg');
}

.vi-hero__sub {
    font-size: 1.02rem;
    color: rgba(255,255,255,0.86);
    max-width: 680px;
    margin: 12px auto 24px;
    line-height: 1.72;
}
.vi-hero__sub strong { color: var(--vi-blue); font-weight: 700; }

.vi-hero__btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 8px;
}


/* ============================================================
   BREADCRUMB
   ============================================================ */
.vi-breadcrumb {
    background: var(--vi-white);
    border-bottom: 1px solid #e4e8ee;
}
.vi-breadcrumb__list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 12px 0;
    margin: 0;
    font-size: 0.83rem;
}
.vi-breadcrumb__list a {
    color: var(--vi-accent);
    text-decoration: none;
}
.vi-breadcrumb__list a:hover { text-decoration: underline; }
.vi-breadcrumb__list i { font-size: 0.7rem; color: #aab0bb; }
.vi-breadcrumb__list [aria-current] { color: var(--vi-muted); }


/* ============================================================
   QUICK NAV
   ============================================================ */
.vi-quicknav {
    background: var(--vi-navy);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(2,4,43,0.25);
}
.vi-quicknav__list {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.vi-quicknav__list::-webkit-scrollbar { display: none; }

.vi-quicknav__item {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 14px 18px;
    font-size: 0.83rem;
    font-weight: 600;
    color: rgba(255,255,255,0.72);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
    border-bottom: 3px solid transparent;
}
.vi-quicknav__item:hover {
    color: var(--vi-white);
    background: rgba(255,255,255,0.06);
    border-bottom-color: var(--vi-blue);
}
.vi-quicknav__item i { font-size: 0.78rem; }
.vi-quicknav__item--cta {
    margin-left: auto;
    background: rgba(213,235,248,0.12);
    color: var(--vi-blue);
}
.vi-quicknav__item--cta:hover {
    background: rgba(213,235,248,0.2);
    border-bottom-color: var(--vi-blue);
}


/* ============================================================
   BADGES · BUTTONS · SECTION HEADER  (shared)
   ============================================================ */
.vi-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--vi-blue);
    color: var(--vi-navy);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
}
.vi-badge--inv {
    background: rgba(213,235,248,0.18);
    color: var(--vi-blue);
}

.vi-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
}
.vi-btn--sm { padding: 10px 20px; font-size: 0.85rem; }

.vi-btn--primary {
    background: var(--vi-navy);
    color: var(--vi-white);
}
.vi-btn--primary:hover {
    background: #0a0d4a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2,4,43,0.3);
}
.vi-btn--light {
    background: var(--vi-white);
    color: var(--vi-navy);
}
.vi-btn--light:hover {
    background: var(--vi-blue);
    transform: translateY(-2px);
}
.vi-btn--outline-light {
    background: transparent;
    color: var(--vi-white);
    border: 2px solid rgba(255,255,255,0.6);
}
.vi-btn--outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--vi-white);
}
.vi-btn--outline-dark {
    background: transparent;
    color: var(--vi-white);
    border: 2px solid rgba(255,255,255,0.3);
}
.vi-btn--outline-dark:hover {
    border-color: var(--vi-white);
    background: rgba(255,255,255,0.06);
}
.vi-btn--wa {
    background: #25d366;
    color: var(--vi-white);
}
.vi-btn--wa:hover {
    background: #1ebe5a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.35);
}

.vi-section-header {
    text-align: center;
    margin-bottom: 48px;
}
.vi-section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vi-navy);
    margin: 0 0 10px;
}
.vi-section-header--inv h2 { color: var(--vi-white); }
.vi-section-header p      { color: var(--vi-muted); max-width: 680px; margin: 0 auto; line-height: 1.7; }
.vi-section-header--inv p { color: rgba(255,255,255,0.72); }

.vi-section-line {
    width: 56px; height: 4px;
    background: var(--vi-navy);
    border-radius: 2px;
    margin: 14px auto 20px;
}
.vi-section-line--inv { background: var(--vi-blue); }

.vi-list-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--vi-accent);
    margin: 18px 0 10px;
}

.vi-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.vi-check-list li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    color: var(--vi-text);
    font-size: 0.92rem;
}
.vi-check-list li i { color: var(--vi-accent); font-size: 0.8rem; margin-top: 3px; flex-shrink: 0; }
.vi-check-list--two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px 20px;
}
.vi-check-list--sm { margin-bottom: 0; }

.vi-spec-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 14px 0;
}
.vi-spec-chips span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--vi-blue);
    color: var(--vi-navy);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 13px;
    border-radius: 50px;
}
.vi-spec-chips span i { font-size: 0.72rem; }
.vi-spec-chips--sm span { font-size: 0.75rem; padding: 4px 11px; }


/* ============================================================
   S1: QUÉ ES
   ============================================================ */
.vi-que-es {
    padding: 52px 0 88px;
    background: var(--vi-white);
}

.vi-que-es__intro {
    font-size: 1rem;
    font-weight: 500;
    color: var(--vi-navy);
    border-left: 4px solid var(--vi-blue);
    padding-left: 16px;
    margin-bottom: 18px !important;
    line-height: 1.7;
}
.vi-que-es__intro strong { color: var(--vi-accent); }
.vi-que-es__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.vi-que-es__text h2 {
    font-size: 2rem; font-weight: 800;
    color: var(--vi-navy);
    margin: 0 0 16px;
}
.vi-que-es__text p {
    color: var(--vi-muted); line-height: 1.75;
    margin-bottom: 20px; font-size: 0.96rem;
}

.vi-que-es__funciones {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0 24px;
}
.vi-func {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--vi-gray);
    padding: 8px 14px;
    border-radius: 50px;
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--vi-navy);
}
.vi-func i { color: var(--vi-accent); font-size: 0.8rem; }

.vi-app-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.vi-app-chips span {
    background: var(--vi-navy);
    color: var(--vi-blue);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
}

.vi-que-es__img-wrap {
    border-radius: var(--vi-radius);
    overflow: hidden;
    box-shadow: var(--vi-shadow);
    background: var(--vi-gray);
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.vi-que-es__img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s;
}
.vi-que-es__img:hover { transform: scale(1.04); }


/* ============================================================
   S2: FAMILIAS
   ============================================================ */
.vi-familias {
    padding: 88px 0;
    background: var(--vi-navy);
}
.vi-familias__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}
.vi-familia__card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.12);
    border-radius: var(--vi-radius);
    padding: 28px 16px 22px;
    text-align: center;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: background 0.25s, transform 0.25s;
}
.vi-familia__card:hover {
    background: rgba(213,235,248,0.10);
    transform: translateY(-4px);
}
.vi-familia__icon {
    width: 52px; height: 52px;
    background: var(--vi-blue);
    color: var(--vi-navy);
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.vi-familia__name {
    font-size: 0.92rem; font-weight: 700;
    color: var(--vi-white);
}
.vi-familia__desc {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.4;
}


/* ============================================================
   TIPOS DE VÁLVULAS (S3, S4, S5, S6)
   ============================================================ */
.vi-tipo { padding: 88px 0; }
.vi-tipo--gray  { background: var(--vi-gray); }
.vi-tipo--white { background: var(--vi-white); }

.vi-tipo__header {
    text-align: center;
    margin-bottom: 52px;
}
.vi-tipo__header h2 {
    font-size: 1.9rem; font-weight: 800;
    color: var(--vi-navy); margin: 0 0 10px;
}
.vi-tipo__header p {
    color: var(--vi-muted); max-width: 660px;
    margin: 0 auto; line-height: 1.7;
}

.vi-tipo__main-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 52px;
}

.vi-tipo__img-col {
    position: relative;
}
.vi-tipo__img-badge {
    position: absolute;
    top: -14px; left: 16px;
    background: var(--vi-navy);
    color: var(--vi-blue);
    font-size: 0.78rem; font-weight: 800;
    letter-spacing: 0.05em;
    padding: 5px 16px;
    border-radius: 50px;
    z-index: 2;
}
.vi-tipo__img {
    width: 100%; max-height: 400px;
    object-fit: contain;
    display: block;
    background: var(--vi-white);
    border-radius: var(--vi-radius);
    box-shadow: var(--vi-shadow);
    padding: 28px;
    transition: transform 0.3s;
}
.vi-tipo--gray .vi-tipo__img { background: var(--vi-white); }
.vi-tipo--white .vi-tipo__img { background: var(--vi-gray); }
.vi-tipo__img:hover { transform: scale(1.03); }

.vi-modelo-title {
    margin-bottom: 14px;
}
.vi-marca-main {
    display: inline-block;
    background: var(--vi-navy);
    color: var(--vi-blue);
    font-size: 0.75rem; font-weight: 800;
    letter-spacing: 0.07em; text-transform: uppercase;
    padding: 4px 12px; border-radius: 50px;
    margin-bottom: 8px;
}
.vi-marca-alt {
    display: inline-block;
    background: transparent;
    color: var(--vi-muted);
    border: 1px solid #cbd0d8;
    font-size: 0.75rem; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 4px 12px; border-radius: 50px;
    margin-bottom: 8px;
}
.vi-tipo__content h3,
.vi-tipo__content h2 {
    font-size: 1.6rem; font-weight: 800;
    color: var(--vi-navy); margin: 0 0 14px;
}
.vi-tipo__content p {
    color: var(--vi-muted); line-height: 1.75;
    font-size: 0.95rem; margin-bottom: 14px;
}

/* Alternativas  */
.vi-tipo__extras {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    padding-top: 36px;
    border-top: 1px solid #dde1e8;
}
.vi-alternativas__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--vi-accent);
    margin-bottom: 18px;
}
.vi-alternativas__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.vi-alt__block { display: flex; flex-direction: column; gap: 8px; }
.vi-alt__block--img { align-items: center; }
.vi-alt__marca {
    font-size: 0.78rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--vi-accent);
}
.vi-alt__list {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 6px;
}
.vi-alt__list li {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.87rem; color: var(--vi-text);
}
.vi-alt__list li i { color: var(--vi-accent); font-size: 0.72rem; }
.vi-alt__img {
    width: 100%; max-height: 120px;
    object-fit: contain;
    background: var(--vi-white);
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 3px 12px rgba(2,4,43,0.09);
    margin-bottom: 10px;
    transition: transform 0.3s;
}
.vi-alt__img:hover { transform: scale(1.05); }

/* Tabla medidas */
.vi-tabla-wrap { overflow-x: auto; }
.vi-tabla__title {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--vi-accent);
    margin-bottom: 16px;
}
.vi-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    border-radius: var(--vi-radius);
    overflow: hidden;
}
.vi-tabla thead tr { background: var(--vi-navy); }
.vi-tabla th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.75rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--vi-blue);
}
.vi-tabla tbody tr {
    border-bottom: 1px solid #e4e8ee;
    transition: background 0.15s;
}
.vi-tabla tbody tr:hover { background: rgba(2,4,43,0.03); }
.vi-tabla td { padding: 11px 16px; color: var(--vi-text); }

.vi-stock {
    font-size: 0.74rem; font-weight: 700;
    padding: 3px 10px; border-radius: 50px;
}
.vi-stock--ok  { background: #e6f9ee; color: #1a7a4a; }
.vi-stock--req { background: #fff3e0; color: #b45309; }

/* Comparativo */
.vi-comparativo { margin-top: 40px; }
.vi-tabla--cmp thead tr { background: #1a2a6b; }
.vi-cmp-ok   { color: #1a7a4a; font-weight: 700; }
.vi-cmp-good { color: #b45309; font-weight: 600; }

/* Alt section (Urrea compuerta) */
.vi-alt-section {
    margin: 0 0 36px;
    border: 1px solid #dde1e8;
    border-radius: var(--vi-radius);
    overflow: hidden;
}
.vi-alt-section__inner {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
    align-items: center;
}
.vi-alt-section__img-col {
    background: var(--vi-gray);
    padding: 24px;
    display: flex; align-items: center; justify-content: center;
    height: 100%;
}
.vi-alt-section__img {
    max-height: 160px; width: auto;
    max-width: 160px;
    object-fit: contain;
    transition: transform 0.3s;
}
.vi-alt-section__img:hover { transform: scale(1.06); }
.vi-alt-section__content {
    padding: 24px 28px;
}
.vi-alt-section__content h3 {
    font-size: 1.25rem; font-weight: 800;
    color: var(--vi-navy); margin: 6px 0 12px;
}
.vi-alt-section__content p {
    color: var(--vi-muted); font-size: 0.92rem;
    line-height: 1.7; margin-bottom: 12px;
}

/* Modelos list */
.vi-modelos-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 28px;
    background: var(--vi-gray);
    border-radius: var(--vi-radius);
    margin-top: 12px;
}
.vi-tipo--white .vi-modelos-list { background: var(--vi-gray); }
.vi-modelos-list--inline {
    display: block;
    padding: 0;
    background: none;
    margin: 0 0 20px;
}
.vi-modelos-col { display: flex; flex-direction: column; gap: 10px; }
.vi-modelos-marca {
    font-size: 0.78rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--vi-accent);
}
.vi-modelos-col ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 7px;
}
.vi-modelos-col ul li {
    display: flex; align-items: baseline; gap: 8px;
    font-size: 0.87rem; color: var(--vi-text);
}
.vi-modelos-col ul li i { color: var(--vi-accent); font-size: 0.7rem; flex-shrink: 0; }


/* ============================================================
   S5: CHECK DUO
   ============================================================ */
.vi-check__duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}
.vi-check__bloque {
    background: var(--vi-white);
    border-radius: var(--vi-radius);
    overflow: hidden;
    box-shadow: 0 3px 14px rgba(2,4,43,0.07);
}
.vi-check__img-wrap {
    position: relative;
    background: var(--vi-gray);
    padding: 24px;
    display: flex; align-items: center; justify-content: center;
    height: 200px;
    overflow: hidden;
}
.vi-check__img-wrap img {
    max-height: 160px;
    width: auto; max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}
.vi-check__img-wrap img:hover { transform: scale(1.05); }
.vi-check__content { padding: 22px; }
.vi-check__content h3 {
    font-size: 1.05rem; font-weight: 800;
    color: var(--vi-navy); margin: 6px 0 12px;
}
.vi-check__content p {
    color: var(--vi-muted); font-size: 0.9rem;
    line-height: 1.7; margin-bottom: 10px;
}


/* ============================================================
   S7: NIVEL
   ============================================================ */
.vi-nivel {
    padding: 88px 0;
    background: var(--vi-navy);
}

.vi-nivel__layout {
    display: grid;
    grid-template-columns: 1fr 1.7fr;
    gap: 52px;
    align-items: center;
}

.vi-nivel__img-col {
    display: flex;
    align-items: center;
    justify-content: center;
}
.vi-nivel__img {
    width: 100%;
    max-height: 420px;
    object-fit: contain;
    border-radius: var(--vi-radius);
    transition: transform 0.3s;
}
.vi-nivel__img:hover { transform: scale(1.03); }

.vi-nivel__body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    align-items: start;
}

.vi-nivel__sub {
    font-size: 0.82rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    margin-bottom: 18px;
    display: flex; align-items: center; gap: 8px;
}
.vi-nivel__sub--inv { color: rgba(213,235,248,0.7); }

.vi-nivel__mat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.vi-nivel__mat-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.14);
    border-radius: var(--vi-radius);
    padding: 20px 16px;
    text-align: center;
    transition: background 0.2s;
}
.vi-nivel__mat-card:hover { background: rgba(213,235,248,0.09); }
.vi-nivel__mat-icon {
    width: 40px; height: 40px;
    background: rgba(213,235,248,0.12);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--vi-blue);
    margin: 0 auto 10px;
}
.vi-nivel__mat-name {
    font-size: 0.88rem; font-weight: 700;
    color: var(--vi-white); margin-bottom: 8px;
}
.vi-nivel__mat-card p {
    font-size: 0.8rem; color: rgba(255,255,255,0.62);
    line-height: 1.5; margin: 0;
}

.vi-nivel__app-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.vi-nivel__app {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.12);
    border-radius: 10px;
    font-size: 0.9rem; font-weight: 600;
    color: rgba(255,255,255,0.82);
}
.vi-nivel__app i { color: var(--vi-blue); width: 18px; text-align: center; }


/* ============================================================
   S8: SELECCIÓN TIMELINE
   ============================================================ */
.vi-seleccion {
    padding: 88px 0;
    background: var(--vi-gray);
}
.vi-seleccion__timeline {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    position: relative;
}
.vi-seleccion__timeline::before {
    content: '';
    position: absolute;
    top: 28px; left: 28px; right: 28px;
    height: 3px;
    background: linear-gradient(90deg, var(--vi-navy), var(--vi-accent));
    z-index: 0;
}
.vi-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 8px;
    position: relative;
    z-index: 1;
}
.vi-step__num {
    width: 56px; height: 56px;
    background: var(--vi-navy);
    color: var(--vi-blue);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem; font-weight: 800;
    margin-bottom: 14px;
    border: 3px solid var(--vi-gray);
    box-shadow: 0 4px 14px rgba(2,4,43,0.2);
    flex-shrink: 0;
}
.vi-step__content h4 {
    font-size: 0.85rem; font-weight: 700;
    color: var(--vi-navy); margin: 0 0 6px;
}
.vi-step__content p {
    font-size: 0.77rem; color: var(--vi-muted);
    line-height: 1.5; margin: 0;
}


/* ============================================================
   S9: CONFIGURADOR
   ============================================================ */
.vi-cfg {
    padding: 88px 0;
    background: linear-gradient(135deg, #02042B 0%, #0a1650 60%, #02042B 100%);
}

.vi-cfg__card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.15);
    border-radius: 20px;
    padding: 48px;
    max-width: 880px;
    margin: 0 auto;
}

.vi-cfg__fields {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.vi-cfg__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.vi-cfg__group label {
    font-size: 0.78rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: rgba(213,235,248,0.7);
}
.vi-cfg__group select,
.vi-cfg__group input {
    width: 100%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(213,235,248,0.2);
    border-radius: 10px;
    color: var(--vi-white);
    font-family: 'Poppins', sans-serif;
    font-size: 0.88rem;
    padding: 11px 14px;
    transition: border-color 0.2s, background 0.2s;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.vi-cfg__group select:focus,
.vi-cfg__group input:focus {
    outline: none;
    border-color: var(--vi-blue);
    background: rgba(255,255,255,0.12);
}
.vi-cfg__group select option { background: #02042B; color: var(--vi-white); }
.vi-cfg__group input::placeholder { color: rgba(255,255,255,0.4); }

.vi-cfg__actions { text-align: center; margin-bottom: 24px; }

.vi-cfg__result {
    background: rgba(213,235,248,0.07);
    border: 1px solid rgba(213,235,248,0.2);
    border-left: 4px solid var(--vi-blue);
    border-radius: 12px;
    padding: 20px 22px;
    margin-bottom: 0;
}
.vi-cfg__result-label {
    font-size: 0.72rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--vi-blue); margin-bottom: 10px;
    display: flex; align-items: center; gap: 6px;
}
.vi-cfg__result-text {
    color: rgba(255,255,255,0.9);
    font-size: 0.92rem; line-height: 1.65;
    margin-bottom: 16px;
    font-weight: 500;
}

.vi-cfg__confirm {
    background: rgba(37,211,102,0.08);
    border: 1px solid rgba(37,211,102,0.25);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}
.vi-cfg__confirm-icon {
    font-size: 2.2rem; color: #25d366;
    margin-bottom: 10px;
}
.vi-cfg__confirm p {
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem; margin-bottom: 16px;
}
.vi-cfg__confirm-btns {
    display: flex; gap: 12px;
    justify-content: center; flex-wrap: wrap;
}


/* ============================================================
   S10: FAQ
   ============================================================ */
.vi-faq {
    padding: 88px 0;
    background: var(--vi-gray);
}
.vi-faq__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 820px;
    margin: 0 auto;
}
.vi-faq__item {
    background: var(--vi-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(2,4,43,0.05);
}
.vi-faq__q {
    width: 100%; background: none; border: none;
    padding: 18px 22px;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.93rem; font-weight: 600;
    color: var(--vi-navy);
    cursor: pointer; text-align: left;
    transition: background 0.2s;
}
.vi-faq__q:hover { background: var(--vi-gray); }
.vi-faq__q i { font-size: 0.78rem; color: var(--vi-muted); flex-shrink: 0; transition: transform 0.3s; }
.vi-faq__item.is-open .vi-faq__q i { transform: rotate(180deg); }
.vi-faq__item.is-open .vi-faq__q   { color: var(--vi-accent); }
.vi-faq__a {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 22px;
}
.vi-faq__a p {
    color: var(--vi-muted);
    font-size: 0.91rem; line-height: 1.75;
    margin: 0; padding-bottom: 18px;
}
.vi-faq__a strong { color: var(--vi-text); }
.vi-faq__item.is-open .vi-faq__a { max-height: 350px; }


/* ============================================================
   CTA FINAL
   ============================================================ */
.vi-cta-final {
    padding: 88px 0;
    background: var(--vi-navy);
    text-align: center;
}
.vi-cta-final h2 {
    font-size: 2.1rem; font-weight: 800;
    color: var(--vi-white); margin: 0 0 16px;
}
.vi-cta-final p {
    color: rgba(255,255,255,0.75);
    max-width: 620px; margin: 0 auto 36px;
    line-height: 1.7;
}
.vi-cta-final__btns {
    display: flex; gap: 14px;
    justify-content: center; flex-wrap: wrap;
}


/* ============================================================
   LIGHTBOX
   ============================================================ */
.vi-lightbox {
    position: fixed; inset: 0;
    z-index: 9000;
    display: none; align-items: center; justify-content: center;
}
.vi-lightbox.is-open { display: flex; }
.vi-lightbox__overlay {
    position: absolute; inset: 0;
    background: rgba(2,4,43,0.88);
    cursor: pointer;
}
.vi-lightbox__box {
    position: relative; z-index: 9001;
    max-width: min(90vw, 780px); max-height: 88vh;
    display: flex; flex-direction: column;
    align-items: center; gap: 12px;
}
.vi-lightbox__close {
    position: absolute; top: -40px; right: 0;
    background: none; border: none;
    color: rgba(255,255,255,0.85);
    font-size: 1.4rem; cursor: pointer; padding: 4px 8px;
    transition: color 0.2s;
}
.vi-lightbox__close:hover { color: var(--vi-white); }
.vi-lightbox__img {
    max-width: 100%; max-height: calc(88vh - 60px);
    object-fit: contain; border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.vi-lightbox__caption {
    color: rgba(255,255,255,0.75);
    font-size: 0.85rem; text-align: center; margin: 0;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
    .vi-seleccion__timeline { grid-template-columns: repeat(4, 1fr); }
    .vi-seleccion__timeline::before { display: none; }
    .vi-familias__grid { grid-template-columns: repeat(3, 1fr); }
    .vi-tipo__extras { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .vi-que-es__grid,
    .vi-tipo__main-grid { grid-template-columns: 1fr; }
    .vi-nivel__layout   { grid-template-columns: 1fr; }
    .vi-nivel__body     { grid-template-columns: 1fr; }
    .vi-nivel__mat-grid { grid-template-columns: 1fr 1fr 1fr; }
    .vi-check__duo      { grid-template-columns: 1fr; }
    .vi-cfg__fields     { grid-template-columns: 1fr; }
    .vi-alt-section__inner { grid-template-columns: 1fr; }
    .vi-alt-section__img-col { height: 180px; }
}

@media (max-width: 768px) {
    .vi-familias__grid  { grid-template-columns: repeat(2, 1fr); }
    .vi-seleccion__timeline { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .vi-check-list--two { grid-template-columns: 1fr; }
    .vi-alternativas__grid { grid-template-columns: 1fr; }
    .vi-modelos-list    { grid-template-columns: 1fr; padding: 20px; }
    .vi-section-header h2,
    .vi-tipo__header h2,
    .vi-que-es__text h2 { font-size: 1.65rem; }
    .vi-cta-final h2    { font-size: 1.7rem; }
    .vi-cfg__card       { padding: 28px 18px; }
    .vi-nivel__mat-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .vi-familias__grid  { grid-template-columns: 1fr 1fr; }
    .vi-seleccion__timeline { grid-template-columns: 1fr; }
    .vi-vi-hero__btns,
    .vi-cta-final__btns { flex-direction: column; align-items: center; }
    .vi-cfg__confirm-btns { flex-direction: column; }
    .vi-quicknav__item--cta { margin-left: 0; }
}