/**
 * Homepage DUREVA Section Styles
 *
 * Mobile-first styles for the redesigned DUREVA technology showcase:
 * header, intro + image top row, 6-feature grid, bottom CTA bar.
 */

/* ==========================================================================
   SECTION WRAPPER
   ========================================================================== */

.dureva {
    background: linear-gradient(175deg, #EDF6FB 0%, #E8F4F8 40%, #D4EEF7 100%);
    padding: 50px 0 0;
    overflow: hidden;
    position: relative;
}

.dureva::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse 600px 400px at 10% 20%, rgba(123, 63, 158, 0.04) 0%, transparent 70%),
        radial-gradient(ellipse 500px 300px at 90% 80%, rgba(46, 151, 203, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

@media (min-width: 768px) {
    .dureva {
        padding: 80px 0 0;
    }
}

/* ==========================================================================
   CONTAINER
   ========================================================================== */

.dureva__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

@media (min-width: 768px) {
    .dureva__container {
        padding: 0 40px;
    }
}

@media (min-width: 1024px) {
    .dureva__container {
        padding: 0 60px;
    }
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.dureva__header {
    text-align: center;
    margin-bottom: 50px;
}

.dureva__eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--dureva-purple);
    margin-bottom: 12px;
}

.dureva__title {
    font-family: var(--font-accent);
    font-size: 34px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.1;
}

.dureva__title span {
    color: var(--dureva-purple);
    font-style: italic;
}

@media (min-width: 768px) {
    .dureva__title {
        font-size: 40px;
    }
}

@media (min-width: 1024px) {
    .dureva__title {
        font-size: 48px;
    }
}

.dureva__subtitle {
    font-family: var(--font-accent);
    font-style: italic;
    font-size: 16px;
    color: var(--text-medium);
    font-weight: 400;
}

@media (min-width: 768px) {
    .dureva__subtitle {
        font-size: 18px;
    }
}

/* ==========================================================================
   TOP ROW: INTRO + IMAGE
   ========================================================================== */

.dureva__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 50px;
}

@media (min-width: 768px) {
    .dureva__top {
        grid-template-columns: 1fr 2fr;
        gap: 30px;
    }

    .dureva__intro {
        padding-right: 10px;
    }
}

@media (min-width: 1024px) {
    .dureva__top {
        gap: 40px;
    }
}

.dureva__intro p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 16px;
}

.dureva__intro strong {
    color: var(--dureva-purple);
    font-weight: 700;
}

.dureva__starliner-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--dureva-purple), var(--dureva-magenta));
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 20px;
    border-radius: var(--radius-lg);
    margin-top: 8px;
}

/* ==========================================================================
   IMAGE WRAPPER
   ========================================================================== */

.dureva__image-wrapper {
    position: relative;
    background: linear-gradient(135deg, rgba(123, 63, 158, 0.06) 0%, rgba(46, 151, 203, 0.06) 100%);
    border-radius: 24px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.dureva__image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    border: 1px solid rgba(123, 63, 158, 0.1);
    pointer-events: none;
}

@media (min-width: 768px) {
    .dureva__image-wrapper {
        padding: 20px;
        min-height: auto;
    }
}

.dureva__sole-img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 8px 32px rgba(123, 63, 158, 0.15));
}

.dureva__sole-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, #e8e0f0 0%, #d0d8e8 50%, #c8d0d8 100%);
    border-radius: var(--radius-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-medium);
    font-size: 14px;
    font-weight: 500;
    gap: 4px;
    box-shadow:
        0 8px 32px rgba(123, 63, 158, 0.12),
        0 2px 8px rgba(27, 107, 147, 0.08);
}

.dureva__sole-placeholder span {
    font-size: 11px;
    color: var(--text-light);
}

/* ==========================================================================
   FEATURES GRID: 3 x 2
   ========================================================================== */

.dureva__features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .dureva__features {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .dureva__features {
        gap: 24px;
    }
}

.dureva__feature {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    align-items: start;
    padding: 20px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-card);
    border: 1px solid rgba(27, 107, 147, 0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dureva__feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(27, 107, 147, 0.1);
}

.dureva__feature-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--dureva-purple), var(--dureva-magenta));
    color: var(--white);
    border-radius: var(--radius-button);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    flex-shrink: 0;
}

.dureva__feature-text h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3px;
}

.dureva__feature-text p {
    font-size: 12.5px;
    color: var(--text-medium);
    line-height: 1.5;
}

/* ==========================================================================
   BOTTOM CTA BAR
   ========================================================================== */

.dureva__cta-bar {
    margin-top: 50px;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--ocean-deep) 100%);
    padding: 28px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

@media (min-width: 768px) {
    .dureva__cta-bar {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        padding: 28px 40px;
        gap: 0;
    }
}

@media (min-width: 1024px) {
    .dureva__cta-bar {
        padding: 32px 60px;
    }
}

.dureva__cta-text {
    color: var(--white);
}

.dureva__cta-text h3 {
    font-family: var(--font-accent);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.dureva__cta-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.dureva__cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--dureva-purple), var(--dureva-magenta));
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 14px 32px;
    border-radius: var(--radius-button);
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-button-purple);
}

.dureva__cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(123, 63, 158, 0.4);
}