/* ==========================================================================
   VLab-4000 — Home Page B Variant Styles
   ========================================================================== */

/* -----------------------------------------------------------------------
   Hero (B Variant) — 2-column grid
   ----------------------------------------------------------------------- */
.hero-b {
    padding: var(--space-80) 0;
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="200" height="100" viewBox="0 0 200 100"%3E%3Cpath d="M0,50 C10,10, 30,10, 50,50 S90,90, 100,50 S130,10, 150,50 S190,90, 200,50" stroke="rgba(43,45,66,0.03)" stroke-width="0.5" fill="none" /%3E%3C/svg%3E');
    background-size: 200px 100px;
    background-color: var(--color-bg-alt);
}

.hero-b__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-64);
    align-items: center;
}

.hero-b__preheadline {
    font-family: var(--font-heading);
    font-size: var(--text-small);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-16);
}

.hero-b__title {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-hero);
    line-height: var(--leading-tight);
    color: var(--color-primary);
    margin-bottom: var(--space-24);
}

.hero-b__subtitle {
    font-size: var(--text-large);
    color: var(--color-text-light);
    max-width: 600px;
    margin-bottom: var(--space-32);
    line-height: var(--leading-normal);
}

.hero-b__ctas {
    display: flex;
    gap: var(--space-16);
    flex-wrap: wrap;
}

.hero-b__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-b__device-placeholder {
    width: 90%;
    max-height: 400px;
    background-color: var(--white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    padding: var(--space-32);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-b__device-image {
    max-width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: contain;
}

/* -----------------------------------------------------------------------
   Trust Bar — dark Medical Blue strip
   ----------------------------------------------------------------------- */
.trust-bar {
    padding: var(--space-32) 0;
    background-color: var(--color-primary);
    color: var(--color-clean-slate);
    text-align: center;
}

.trust-bar__text {
    font-size: var(--text-small);
    opacity: 0.8;
    margin-bottom: var(--space-16);
    font-weight: var(--weight-medium);
    letter-spacing: 0.02em;
}

.trust-bar__logos {
    display: flex;
    justify-content: center;
    gap: var(--space-48);
    align-items: center;
    opacity: 0.5;
}

.trust-bar__numbers {
    font-family: var(--font-mono);
    font-size: var(--text-small);
    font-weight: var(--weight-medium);
    margin-top: var(--space-12);
    opacity: 0.7;
    letter-spacing: 0.02em;
}

.trust-bar__logo-placeholder {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-small);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-clean-slate);
}

/* -----------------------------------------------------------------------
   Benefits (B Variant) — 3-column SOAR grid
   ----------------------------------------------------------------------- */
.benefits-b {
    background-color: var(--color-bg-alt);
}

.benefits-b__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.benefit-list {
    list-style: none;
    padding-left: var(--space-8);
    margin: 0;
}

.benefit-list li {
    margin-bottom: var(--space-12);
    position: relative;
    padding-left: var(--space-24);
    line-height: var(--leading-normal);
}

.benefit-list li::before {
    content: "\2022";
    color: var(--color-primary);
    position: absolute;
    left: 0;
    font-weight: var(--weight-bold);
}

/* -----------------------------------------------------------------------
   Technology Section — with pulse wave SVG background
   ----------------------------------------------------------------------- */
.tech-section {
    background-color: var(--white);
    overflow: hidden;
    position: relative;
}

.tech-section__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-64);
    align-items: center;
    margin-top: var(--space-48);
}

.tech-section__content p {
    color: var(--color-text-light);
    line-height: var(--leading-loose);
}

/* Animated SVG pulse wave background */
.tech-pulse-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.06;
}

.tech-pulse-bg path {
    stroke: var(--color-primary);
    stroke-width: 1.5;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: pulse-draw 10s ease-in-out infinite;
}

@keyframes pulse-draw {
    to {
        stroke-dashoffset: 0;
    }
}

.tech-section .container {
    position: relative;
    z-index: 2;
}

/* -----------------------------------------------------------------------
   Data Panel — dark Medical Blue display
   ----------------------------------------------------------------------- */
.data-panel {
    background-color: var(--color-primary);
    color: var(--color-clean-slate);
    padding: var(--space-48);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
}

.data-panel h3 {
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-32);
}

.data-item {
    display: flex;
    align-items: baseline;
    gap: var(--space-16);
    margin-bottom: var(--space-16);
}

.data-item:last-of-type {
    margin-bottom: 0;
}

.data-display {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 2.5rem;
    font-weight: var(--weight-medium);
    line-height: 1;
}

.data-label {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    font-size: var(--text-small);
    text-transform: uppercase;
    color: var(--white);
    opacity: 0.8;
    letter-spacing: 0.05em;
}

.data-panel__note {
    font-size: var(--text-micro);
    opacity: 0.5;
    margin-top: var(--space-24);
    margin-bottom: 0;
}

/* -----------------------------------------------------------------------
   Final CTA (B Variant) — 2-column: Give-to-Get + Form
   ----------------------------------------------------------------------- */
.final-cta-b {
    background-color: var(--white);
    border-top: 1px solid var(--color-border-light);
}

.final-cta-b .section__header {
    text-align: center;
}

.final-cta-b .section__header p {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-light);
}

.final-cta-b__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

/* Give-to-Get panel */
.give-get-panel {
    text-align: left;
    padding: var(--space-32);
    border-right: 1px solid var(--color-border-light);
}

.give-get-panel h3 {
    font-family: var(--font-heading);
    font-weight: var(--weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-16);
}

.give-get-panel p {
    color: var(--color-text-light);
    line-height: var(--leading-normal);
    margin-bottom: var(--space-24);
}

/* Form panel */
.form-panel {
    text-align: left;
    padding: var(--space-32);
}

.form-group {
    margin-bottom: var(--space-20);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-8);
    font-weight: var(--weight-medium);
    color: var(--color-primary);
    font-size: var(--text-small);
}

.form-group input {
    width: 100%;
    padding: var(--space-12) var(--space-16);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-body);
    color: var(--color-text);
    background-color: var(--white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(43, 45, 66, 0.1);
}

/* -----------------------------------------------------------------------
   Problem Agitation (B)
   ----------------------------------------------------------------------- */
.problem-b {
    border-top: 3px solid var(--color-cta);
}

/* -----------------------------------------------------------------------
   Epiphany Bridge (B)
   ----------------------------------------------------------------------- */
.epiphany-b {
    background: linear-gradient(160deg, var(--white) 0%, var(--color-bg-alt) 100%);
}

.epiphany-b__text {
    max-width: 70ch;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-light);
    line-height: var(--leading-loose);
    font-style: italic;
}

/* -----------------------------------------------------------------------
   Risk Reversal (B)
   ----------------------------------------------------------------------- */
.risk-reversal-b {
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--white) 100%);
    text-align: center;
    border-top: 3px solid var(--color-accent);
}

.risk-reversal-b h2 {
    color: var(--color-primary);
}

.risk-reversal-b p {
    max-width: 60ch;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text-light);
}

/* -----------------------------------------------------------------------
   Responsive — B variant overrides
   ----------------------------------------------------------------------- */
@media (max-width: 768px) {
    .hero-b__grid {
        grid-template-columns: 1fr;
        gap: var(--space-32);
    }

    .hero-b__subtitle {
        max-width: 100%;
    }

    .hero-b__ctas {
        flex-direction: column;
    }

    .hero-b__ctas .btn {
        text-align: center;
    }

    .benefits-b__grid {
        grid-template-columns: 1fr;
    }

    .tech-section__grid {
        grid-template-columns: 1fr;
        gap: var(--space-32);
    }

    .final-cta-b__grid {
        grid-template-columns: 1fr;
    }

    .give-get-panel {
        border-right: none;
        border-bottom: 1px solid var(--color-border-light);
        padding-bottom: var(--space-32);
        text-align: center;
    }
}

@media (min-width: 769px) and (max-width: 1200px) {
    .benefits-b__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-b__grid .card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
}