/* ==============================================
   valvulas-seguridad.css  ·  prefijo: .vs-
   ============================================== */

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

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


/* ============================================================
   HERO
   ============================================================ */
.page-hero--valvseg {
    background-image: url('../img/valvulas_seg-portada.png');
}

.vs-hero__sub {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.88);
    max-width: 640px;
    margin: 12px auto 24px;
    line-height: 1.7;
    font-weight: 400;
}
.vs-hero__sub strong {
    color: var(--vs-blue);
    font-weight: 700;
}

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


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


/* ============================================================
   BUTTONS
   ============================================================ */
.vs-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;
}
.vs-btn--sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.vs-btn--primary {
    background: var(--vs-navy);
    color: var(--vs-white);
}
.vs-btn--primary:hover {
    background: #0a0d4a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(2, 4, 43, 0.3);
}

.vs-btn--light {
    background: var(--vs-white);
    color: var(--vs-navy);
}
.vs-btn--light:hover {
    background: var(--vs-blue);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.25);
}

.vs-btn--wa {
    background: #25d366;
    color: var(--vs-white);
}
.vs-btn--wa:hover {
    background: #1ebe5a;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.35);
}


/* ============================================================
   SECTION HEADER
   ============================================================ */
.vs-section-header {
    text-align: center;
    margin-bottom: 48px;
}
.vs-section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vs-navy);
    margin: 0 0 10px;
}
.vs-section-header p {
    color: var(--vs-muted);
    max-width: 660px;
    margin: 0 auto;
    line-height: 1.7;
}

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


/* ============================================================
   SHARED LISTS
   ============================================================ */
.vs-benefit-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.vs-benefit-list li {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--vs-text);
    font-size: 0.93rem;
}
.vs-benefit-list li i {
    color: var(--vs-accent);
    font-size: 0.8rem;
    flex-shrink: 0;
}

.vs-check-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    display: flex;
    flex-direction: column;
    gap: 9px;
}
.vs-check-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--vs-text);
    font-size: 0.92rem;
}
.vs-check-list li i {
    color: var(--vs-accent);
    font-size: 0.8rem;
    margin-top: 3px;
    flex-shrink: 0;
}
.vs-check-list--two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px 24px;
}

.vs-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(--vs-accent);
    margin: 20px 0 10px;
}

.vs-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}
.vs-chips span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(213,235,248,0.18);
    border: 1px solid rgba(213,235,248,0.3);
    color: var(--vs-white);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 5px 13px;
    border-radius: 50px;
}
.vs-chips span i { font-size: 0.78rem; }


/* ============================================================
   S1: INTRODUCCIÓN
   ============================================================ */
.vs-intro {
    padding: 88px 0;
    background: var(--vs-white);
}

.vs-intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.vs-intro__text h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--vs-navy);
    margin: 0 0 18px;
    line-height: 1.2;
}
.vs-intro__text p {
    color: var(--vs-muted);
    line-height: 1.75;
    margin-bottom: 18px;
    font-size: 0.96rem;
}

.vs-intro__img-wrap {
    border-radius: var(--vs-radius);
    overflow: hidden;
    box-shadow: var(--vs-shadow);
    background: var(--vs-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
}
.vs-intro__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s;
}
.vs-intro__img:hover { transform: scale(1.03); }


/* ============================================================
   S2: DIFERENCIA
   ============================================================ */
.vs-diferencia {
    padding: 88px 0;
    background: var(--vs-gray);
}

.vs-diferencia__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.vs-diferencia__card {
    border-radius: 20px;
    padding: 40px 36px;
    position: relative;
    overflow: hidden;
}
.vs-diferencia__card--seg {
    background: var(--vs-navy);
    color: var(--vs-white);
}
.vs-diferencia__card--ali {
    background: linear-gradient(135deg, #1B4F82 0%, #0a2b5e 100%);
    color: var(--vs-white);
}

.vs-diferencia__icon {
    width: 60px;
    height: 60px;
    background: rgba(213,235,248,0.15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--vs-blue);
    margin-bottom: 18px;
}

.vs-diferencia__label {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--vs-white);
    margin-bottom: 12px;
}

.vs-diferencia__desc {
    color: rgba(255,255,255,0.78);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 20px;
}
.vs-diferencia__desc strong {
    color: var(--vs-blue);
}

.vs-diferencia__ideal-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(213,235,248,0.7);
    display: block;
    margin-bottom: 8px;
}


/* ============================================================
   S3/S4: MODELOS
   ============================================================ */
.vs-modelo {
    padding: 88px 0;
}
.vs-modelo--gray  { background: var(--vs-gray); }
.vs-modelo--white { background: var(--vs-white); }

.vs-modelo__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
}
.vs-modelo__grid--reverse {
    grid-template-columns: 1.2fr 1fr;
}

.vs-modelo__img-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vs-modelo__best-badge {
    position: absolute;
    top: -14px;
    left: 16px;
    background: #e6a817;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    padding: 5px 16px;
    border-radius: 50px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 14px rgba(230,168,23,0.4);
}

.vs-modelo__img {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    box-shadow: var(--vs-shadow);
    padding: 28px;
    transition: transform 0.3s;
}
.vs-modelo--gray .vs-modelo__img  { background: var(--vs-white); }
.vs-modelo--white .vs-modelo__img { background: var(--vs-gray); }
.vs-modelo__img:hover { transform: scale(1.03); }

.vs-modelo__content h2 {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--vs-navy);
    margin: 6px 0 14px;
    line-height: 1.2;
}
.vs-modelo__content p {
    color: var(--vs-muted);
    line-height: 1.75;
    margin-bottom: 20px;
    font-size: 0.96rem;
}

.vs-modelo__marcas {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 18px;
}
.vs-marca-chip {
    font-size: 0.8rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
}
.vs-marca-chip--main {
    background: var(--vs-navy);
    color: var(--vs-blue);
}
.vs-marca-chip--alt {
    background: transparent;
    color: var(--vs-muted);
    border: 1px solid #cbd0d8;
}

.vs-modelo__specs {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 18px 0;
}
.vs-spec-chip {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--vs-blue);
    color: var(--vs-navy);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 6px 13px;
    border-radius: 50px;
}
.vs-spec-chip i { font-size: 0.73rem; }


/* ============================================================
   S5: LÍNEAS COMPLEMENTARIAS
   ============================================================ */
.vs-lineas {
    padding: 88px 0;
    background: var(--vs-navy);
}
.vs-lineas .vs-section-header h2 { color: var(--vs-white); }
.vs-lineas .vs-section-header p  { color: rgba(255,255,255,0.72); }
.vs-lineas .vs-section-line       { background: var(--vs-blue); }

.vs-lineas__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.vs-lineas__card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.12);
    border-radius: var(--vs-radius);
    overflow: hidden;
    transition: background 0.25s, transform 0.25s;
}
.vs-lineas__card:hover {
    background: rgba(213,235,248,0.09);
    transform: translateY(-4px);
}

.vs-lineas__img-wrap {
    background: rgba(255,255,255,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 180px;
    padding: 18px;
    overflow: hidden;
}
.vs-lineas__img-wrap img {
    max-height: 148px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}
.vs-lineas__img-wrap img:hover { transform: scale(1.06); }

.vs-lineas__body {
    padding: 18px;
}
.vs-lineas__serie {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--vs-blue);
    margin-bottom: 4px;
    letter-spacing: 0.03em;
}
.vs-lineas__alt {
    font-size: 0.75rem;
    color: rgba(213,235,248,0.55);
    font-weight: 500;
    margin-bottom: 10px;
}
.vs-lineas__body p {
    font-size: 0.84rem;
    color: rgba(255,255,255,0.68);
    line-height: 1.6;
    margin: 0;
}

/* Card CTA especial */
.vs-lineas__card--cta {
    border: 2px dashed rgba(213,235,248,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
}
.vs-lineas__body--cta {
    text-align: center;
    padding: 28px 20px;
}
.vs-lineas__cta-icon {
    width: 52px;
    height: 52px;
    background: rgba(213,235,248,0.12);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--vs-blue);
    margin: 0 auto 14px;
}
.vs-lineas__body--cta .vs-lineas__serie { color: var(--vs-white); font-size: 1rem; }
.vs-lineas__body--cta p { margin-bottom: 18px; }


/* ============================================================
   S6: COTIZAR
   ============================================================ */
.vs-cotizar {
    padding: 88px 0;
    background: var(--vs-navy);
}
.vs-cotizar__title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--vs-white);
    margin: 0 0 10px;
}
.vs-cotizar__sub {
    color: rgba(255,255,255,0.72);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.vs-cotizar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 40px;
}

.vs-cotizar__item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(213,235,248,0.12);
    border-radius: 12px;
    padding: 16px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    transition: background 0.2s;
}
.vs-cotizar__item:hover {
    background: rgba(213,235,248,0.09);
}
.vs-cotizar__item--wide {
    grid-column: span 2;
    flex-direction: row;
    text-align: left;
    padding: 16px 20px;
}

.vs-cotizar__icon {
    width: 40px;
    height: 40px;
    background: rgba(213,235,248,0.13);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--vs-blue);
    flex-shrink: 0;
}
.vs-cotizar__item span {
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255,255,255,0.82);
    line-height: 1.4;
}

.vs-cotizar__cta {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}


/* ============================================================
   S7: POR QUÉ DEFANY
   ============================================================ */
.vs-porqué {
    padding: 88px 0;
    background: var(--vs-gray);
}

.vs-porqué__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.vs-porqué__card {
    background: var(--vs-white);
    border-radius: var(--vs-radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(2,4,43,0.07);
    transition: box-shadow 0.2s, transform 0.2s;
}
.vs-porqué__card:hover {
    box-shadow: var(--vs-shadow);
    transform: translateY(-4px);
}

.vs-porqué__icon {
    width: 56px;
    height: 56px;
    background: var(--vs-navy);
    color: var(--vs-blue);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 18px;
}

.vs-porqué__card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--vs-navy);
    margin: 0 0 10px;
}
.vs-porqué__card p {
    font-size: 0.87rem;
    color: var(--vs-muted);
    line-height: 1.6;
    margin: 0;
}


/* ============================================================
   S8: FAQ
   ============================================================ */
.vs-faq {
    padding: 88px 0;
    background: var(--vs-white);
}

.vs-faq__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
}

.vs-faq__item {
    background: var(--vs-gray);
    border-radius: 12px;
    overflow: hidden;
}

.vs-faq__q {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--vs-navy);
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
}
.vs-faq__q:hover { background: #eaedf2; }
.vs-faq__q i {
    font-size: 0.82rem;
    color: var(--vs-muted);
    flex-shrink: 0;
    transition: transform 0.3s;
}
.vs-faq__item.is-open .vs-faq__q i   { transform: rotate(180deg); }
.vs-faq__item.is-open .vs-faq__q     { color: var(--vs-accent); }

.vs-faq__a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 24px;
}
.vs-faq__a p {
    color: var(--vs-muted);
    font-size: 0.92rem;
    line-height: 1.75;
    margin: 0;
    padding-bottom: 20px;
}
.vs-faq__item.is-open .vs-faq__a { max-height: 320px; }


/* ============================================================
   CTA FINAL
   ============================================================ */
.vs-cta-final {
    padding: 88px 0;
    background: var(--vs-navy);
    text-align: center;
}
.vs-cta-final h2 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--vs-white);
    margin: 0 0 16px;
}
.vs-cta-final p {
    color: rgba(255,255,255,0.75);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.vs-cta-final__btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}


/* ============================================================
   LIGHTBOX
   ============================================================ */
.vs-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9000;
    display: none;
    align-items: center;
    justify-content: center;
}
.vs-lightbox.is-open { display: flex; }

.vs-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 4, 43, 0.88);
    cursor: pointer;
}

.vs-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;
}

.vs-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;
}
.vs-lightbox__close:hover { color: var(--vs-white); }

.vs-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);
}

.vs-lightbox__caption {
    color: rgba(255,255,255,0.75);
    font-size: 0.85rem;
    text-align: center;
    margin: 0;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .vs-lineas__grid        { grid-template-columns: repeat(2, 1fr); }
    .vs-porqué__grid        { grid-template-columns: repeat(2, 1fr); }
    .vs-cotizar__grid       { grid-template-columns: repeat(3, 1fr); }
    .vs-cotizar__item--wide { grid-column: span 3; }
}

@media (max-width: 900px) {
    .vs-intro__grid,
    .vs-modelo__grid,
    .vs-modelo__grid--reverse,
    .vs-diferencia__grid {
        grid-template-columns: 1fr;
    }
    .vs-intro__img-wrap  { min-height: 260px; }
    .vs-diferencia__grid { gap: 16px; }
}

@media (max-width: 768px) {
    .vs-cotizar__grid       { grid-template-columns: repeat(2, 1fr); }
    .vs-cotizar__item--wide { grid-column: span 2; }
    .vs-lineas__grid        { grid-template-columns: 1fr 1fr; }
    .vs-porqué__grid        { grid-template-columns: 1fr 1fr; }
    .vs-section-header h2,
    .vs-intro__text h2,
    .vs-modelo__content h2  { font-size: 1.6rem; }
    .vs-cta-final h2        { font-size: 1.7rem; }
    .vs-check-list--two-col { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .vs-hero__btns,
    .vs-cta-final__btns,
    .vs-cotizar__cta    { flex-direction: column; align-items: center; }
    .vs-lineas__grid    { grid-template-columns: 1fr; }
    .vs-porqué__grid    { grid-template-columns: 1fr; }
    .vs-cotizar__grid   { grid-template-columns: repeat(2, 1fr); }
    .vs-cotizar__item--wide { grid-column: span 2; flex-direction: column; align-items: center; text-align: center; }
}