/*
 * Digitalonian Case Studies - Styles
 * Brand colors: Cyan #38B6FF, Dark #1A202C, White #FFFFFF
 * Version 1.1.0
 */

/* === RESET & BASE === */
.cs-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: #1A202C;
    width: 100%;
    overflow: visible;
}
.cs-page *, .cs-page *::before, .cs-page *::after { box-sizing: border-box; }
.cs-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === HERO === */
.cs-hero {
    background: #1A202C;
    padding: 80px 0 64px;
    text-align: center;
}
.cs-hero__eyebrow {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #38B6FF;
    margin: 0 0 16px;
}
.cs-hero__heading {
    font-size: 48px;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 20px;
    line-height: 1.15;
}
.cs-hero__sub {
    font-size: 18px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    max-width: 640px;
    margin: 0 auto;
}

/* === STATS BAR === */
.cs-stats {
    background: #111827;
    padding: 48px 0;
    border-top: 3px solid #38B6FF;
}
.cs-stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}
.cs-stats__item { display: flex; flex-direction: column; gap: 8px; }
.cs-stats__number {
    font-size: 40px;
    font-weight: 800;
    color: #38B6FF;
    line-height: 1;
}
.cs-stats__label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === CASE STUDY CARDS === */
.cs-listing {
    padding: 60px 0;
    background: #F7F8FA;
}
.cs-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
    max-width: 800px;
}
.cs-cards:has(.cs-card:nth-child(3)) {
    max-width: none;
}
.cs-card {
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cs-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
.cs-card__accent {
    height: 4px;
    background: linear-gradient(90deg, #38B6FF 0%, #1A202C 100%);
}
.cs-card__body { padding: 32px 28px 24px; flex: 1; }
.cs-card__badge {
    display: inline-block;
    background: rgba(56,182,255,0.1);
    color: #38B6FF;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}
.cs-card__title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 8px;
    color: #1A202C;
}
.cs-card__title a { color: inherit; text-decoration: none; }
.cs-card__title a:hover { color: #38B6FF; }
.cs-card__industry { font-size: 14px; color: #64748B; margin: 0 0 16px; font-weight: 500; }
.cs-card__excerpt { font-size: 15px; line-height: 1.6; color: #475569; margin: 0 0 24px; }

/* Metrics row */
.cs-card__metrics {
    display: flex;
    gap: 24px;
    padding: 20px 0;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
    margin-bottom: 16px;
}
.cs-card__metric { display: flex; flex-direction: column; gap: 4px; min-width: 0; flex: 1; }
.cs-card__metric-val { font-size: 22px; font-weight: 800; color: #38B6FF; line-height: 1; }
.cs-card__metric-lbl {
    font-size: 11px;
    font-weight: 600;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Highlight pill */
.cs-card__highlight { margin-top: 8px; }
.cs-card__highlight span {
    display: inline-block;
    background: #1A202C;
    color: #38B6FF;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 8px;
}

/* Card footer */
.cs-card__footer { padding: 20px 28px; border-top: 1px solid #F1F5F9; }
.cs-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: #38B6FF;
    text-decoration: none;
    transition: gap 0.2s ease;
}
.cs-card__cta:hover { gap: 10px; }
.cs-card__cta svg { flex-shrink: 0; }

/* Empty state */
.cs-listing__empty {
    text-align: center;
    font-size: 18px;
    color: #64748B;
    padding: 60px 0;
}

/* === CTA SECTION === */
.cs-page .cs-cta {
    background: #1A202C !important;
    padding: 80px 0;
    text-align: center;
    color: #FFFFFF;
}
.cs-cta__inner { max-width: 680px; }
.cs-page .cs-cta__heading {
    font-size: 36px;
    font-weight: 800;
    color: #FFFFFF !important;
    margin: 0 0 16px;
}
.cs-page .cs-cta__text {
    font-size: 17px;
    line-height: 1.6;
    color: rgba(255,255,255,0.7) !important;
    margin: 0 0 36px;
}
.cs-cta__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.cs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: 2px solid transparent;
}
.cs-btn--primary {
    background: #38B6FF;
    color: #FFFFFF;
    border-color: #38B6FF;
}
.cs-btn--primary:hover {
    background: #1a9de8;
    border-color: #1a9de8;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(56,182,255,0.35);
}
.cs-btn--outline {
    background: transparent;
    color: #FFFFFF;
    border-color: rgba(255,255,255,0.3);
}
.cs-btn--outline:hover {
    border-color: #38B6FF;
    color: #38B6FF;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .cs-hero__heading { font-size: 40px; }
    .cs-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .cs-stats__number { font-size: 34px; }
    .cs-cards {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 24px;
        max-width: none;
    }
}
@media (max-width: 768px) {
    .cs-hero { padding: 60px 0 48px; }
    .cs-hero__heading { font-size: 32px; }
    .cs-hero__sub { font-size: 16px; }
    .cs-stats { padding: 36px 0; }
    .cs-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .cs-stats__number { font-size: 30px; }
    .cs-listing { padding: 48px 0; }
    .cs-cards { grid-template-columns: 1fr; gap: 20px; max-width: none; }
    .cs-card__metrics { flex-wrap: wrap; gap: 16px; }
    .cs-card__metric { min-width: calc(50% - 8px); }
    .cs-cta { padding: 60px 0; }
    .cs-cta__heading { font-size: 28px; }
}
@media (max-width: 480px) {
    .cs-container { padding: 0 16px; }
    .cs-hero { padding: 48px 0 36px; }
    .cs-hero__heading { font-size: 26px; }
    .cs-hero__eyebrow { font-size: 12px; }
    .cs-stats__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .cs-stats__number { font-size: 26px; }
    .cs-stats__label { font-size: 11px; }
    .cs-card__body { padding: 24px 20px 20px; }
    .cs-card__title { font-size: 18px; }
    .cs-card__metric-val { font-size: 18px; }
    .cs-card__footer { padding: 16px 20px; }
    .cs-cta__heading { font-size: 24px; }
    .cs-cta__buttons { flex-direction: column; align-items: center; }
    .cs-btn { width: 100%; max-width: 280px; }
}