.csd { background: var(--cs-bg, #0b0b0d); color: var(--cs-text, #f5f5f5); }

.csd-section { padding: 64px 5vw; max-width: 1200px; margin: 0 auto; }
.csd-eyebrow { color: var(--cs-accent, #ff5e1a); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 10px; }
.csd-h2 { font-size: clamp(26px, 3.5vw, 38px); font-weight: 800; margin: 0 0 14px; }
.csd-section-desc { color: var(--cs-text-muted, #9a9aa2); font-size: 15px; line-height: 1.6; margin: 0 0 12px; max-width: 640px; }

/* ---------------- Hero ---------------- */
.csd-hero {
    position: relative; min-height: 560px; background-size: cover; background-position: center;
    display: flex; align-items: flex-end;
}
.csd-hero::before {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(11,11,13,.65) 0%, rgba(11,11,13,.85) 100%);
}
.csd-hero-overlay { position: relative; z-index: 1; padding: 48px 5vw; max-width: 760px; }
.csd-breadcrumb { font-size: 13px; color: var(--cs-text-muted, #9a9aa2); margin-bottom: 16px; }
.csd-breadcrumb a { color: var(--cs-text-muted, #9a9aa2); text-decoration: none; }

.csd-badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.csd-badge {
    font-size: 12px; padding: 6px 12px; border-radius: 999px; background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15); color: #fff;
}
.csd-badge-accent { background: var(--cs-accent, #ff5e1a); border-color: var(--cs-accent, #ff5e1a); }
.csd-badge-status { background: rgba(34,197,94,.15); border-color: #22c55e; color: #22c55e; }

.csd-hero-title { font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; line-height: 1.15; margin: 0 0 16px; }
.csd-hero-desc { color: #d0d0d5; font-size: 15px; line-height: 1.6; margin: 0 0 28px; max-width: 560px; }

.csd-meta-row { display: flex; gap: 32px; flex-wrap: wrap; }
.csd-meta-row div { display: flex; flex-direction: column; gap: 4px; }
.csd-meta-row span { font-size: 11px; text-transform: uppercase; color: var(--cs-text-muted, #9a9aa2); letter-spacing: .04em; }
.csd-meta-row strong { font-size: 14px; font-weight: 700; }

.csd-key-results {
    position: relative; z-index: 1; margin: 0 5vw 48px auto; background: rgba(20,20,24,.92);
    border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 20px; width: 300px;
    backdrop-filter: blur(6px);
}
.csd-key-results-label { font-size: 11px; text-transform: uppercase; color: var(--cs-text-muted, #9a9aa2); letter-spacing: .06em; margin: 0 0 12px; border-top: 2px solid var(--cs-accent,#ff5e1a); padding-top: 8px; }
.csd-key-results ul { list-style: none; margin: 0 0 16px; padding: 0; }
.csd-key-results li { display: flex; justify-content: space-between; align-items: center; font-size: 13px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.csd-key-results li strong { font-size: 15px; font-weight: 800; }
.csd-key-results-btn {
    display: block; text-align: center; background: var(--cs-accent, #ff5e1a); color: #fff; text-decoration: none;
    font-size: 13px; font-weight: 600; padding: 10px; border-radius: 8px;
}

@media (max-width: 900px) {
    .csd-hero { display: block; padding-bottom: 24px; }
    .csd-key-results { width: auto; margin: 0 5vw; }
}

/* ---------------- Outcomes ---------------- */
.csd-stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0 32px; }
.csd-stat-box {
    background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f); border-radius: 12px;
    padding: 20px; text-align: left;
}
.csd-stat-icon { font-size: 18px; display: block; margin-bottom: 8px; }
.csd-stat-box strong { display: block; font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.csd-stat-label { font-size: 12px; color: var(--cs-text-muted, #9a9aa2); }

.csd-compare-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.csd-compare-table th { text-align: left; font-size: 11px; text-transform: uppercase; color: var(--cs-text-muted, #9a9aa2); padding: 10px 12px; border-bottom: 1px solid var(--cs-border, #2a2a2f); }
.csd-compare-table td { padding: 12px; font-size: 14px; border-bottom: 1px solid var(--cs-border, #2a2a2f); }
.csd-before { color: var(--cs-text-muted, #9a9aa2); }
.csd-after-good { color: #22c55e; font-weight: 600; }
.csd-after-bad { color: #ef4444; font-weight: 600; }

@media (max-width: 700px) { .csd-stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------------- Split sections (Problem / Solution) ---------------- */
.csd-section-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 900px) { .csd-section-split { grid-template-columns: 1fr; } }

.csd-problem-list { display: flex; flex-direction: column; gap: 14px; }
.csd-problem-card {
    display: flex; gap: 14px; background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f);
    border-left: 3px solid; border-radius: 10px; padding: 16px;
}
.csd-problem-icon { width: 36px; height: 36px; flex: 0 0 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.csd-problem-card h4 { margin: 0 0 4px; font-size: 15px; }
.csd-problem-card p { margin: 0; font-size: 13px; color: var(--cs-text-muted, #9a9aa2); line-height: 1.5; }

.csd-approach-media { position: relative; border-radius: 14px; overflow: hidden; }
.csd-approach-media img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 14px; }
.csd-approach-badge-top { position: absolute; top: 14px; right: 14px; background: var(--cs-accent, #ff5e1a); }
.csd-approach-badge-bottom {
    position: absolute; bottom: 14px; left: 14px; background: rgba(20,20,24,.9); border-radius: 10px;
    padding: 10px 14px; display: flex; flex-direction: column;
}
.csd-approach-badge-bottom strong { font-size: 18px; font-weight: 800; color: #22c55e; }
.csd-approach-badge-bottom span { font-size: 11px; color: var(--cs-text-muted, #9a9aa2); }

.csd-checklist { list-style: none; margin: 16px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.csd-checklist li { font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }

/* ---------------- Delivery Process ---------------- */
.csd-process-tabs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 24px; }
.csd-process-tab {
    background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f); color: var(--cs-text-muted, #9a9aa2);
    font-size: 13px; padding: 10px 16px; border-radius: 8px; cursor: pointer;
}
.csd-process-tab.is-active { background: var(--cs-accent, #ff5e1a); color: #fff; border-color: var(--cs-accent, #ff5e1a); }

.csd-process-panel { display: none; grid-template-columns: 1.4fr 1fr; gap: 32px; background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f); border-top: 3px solid var(--cs-accent, #ff5e1a); border-radius: 14px; padding: 32px; margin-bottom: 24px; }
.csd-process-panel.is-active { display: grid; }
@media (max-width: 800px) { .csd-process-panel { grid-template-columns: 1fr; } }

.csd-process-week { display: inline-block; font-size: 11px; background: rgba(255,255,255,.08); padding: 4px 10px; border-radius: 999px; margin-bottom: 10px; }
.csd-process-info h3 { font-size: 22px; margin: 0 0 10px; display: flex; align-items: center; gap: 10px; }
.csd-process-number { color: var(--cs-accent, #ff5e1a); font-size: 14px; font-weight: 700; }
.csd-process-info p { color: var(--cs-text-muted, #9a9aa2); font-size: 14px; line-height: 1.6; }

.csd-process-deliverables { background: var(--cs-surface-alt, #1c1c21); border-radius: 10px; padding: 18px; }
.csd-deliverables-label { font-size: 11px; text-transform: uppercase; color: var(--cs-text-muted, #9a9aa2); margin: 0 0 10px; }
.csd-process-deliverables ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 13px; }

.csd-process-stepper { display: flex; gap: 8px; overflow-x: auto; }
.csd-stepper-item {
    flex: 1; min-width: 120px; background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f);
    border-radius: 8px; padding: 10px 12px; text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 4px;
}
.csd-stepper-item strong { font-size: 12px; }
.csd-stepper-item span { font-size: 11px; color: var(--cs-text-muted, #9a9aa2); }
.csd-stepper-item.is-active { border-color: var(--cs-accent, #ff5e1a); }
.csd-stepper-item.is-active strong { color: var(--cs-accent, #ff5e1a); }

/* ---------------- Tech Stack ---------------- */
.csd-tech-header { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.csd-tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .csd-tech-grid { grid-template-columns: repeat(2, 1fr); } }
.csd-tech-item {
    display: flex; align-items: center; gap: 12px; background: var(--cs-surface, #16161a);
    border: 1px solid var(--cs-border, #2a2a2f); border-radius: 10px; padding: 14px;
}
.csd-tech-dot { width: 10px; height: 10px; border-radius: 50%; flex: 0 0 10px; }
.csd-tech-item strong { display: block; font-size: 13px; }
.csd-tech-item span { font-size: 11px; color: var(--cs-text-muted, #9a9aa2); }

/* ---------------- Testimonial ---------------- */
.csd-testimonial {
    background: var(--cs-surface, #16161a); border: 1px solid var(--cs-border, #2a2a2f); border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--cs-accent,#ff5e1a), #22c55e) 1; border-radius: 14px; padding: 36px; max-width: 780px; margin: 0 auto;
}
.csd-testimonial-quote { font-size: 18px; font-style: italic; line-height: 1.6; margin: 0 0 20px; }
.csd-testimonial-author { display: flex; align-items: center; gap: 12px; }
.csd-testimonial-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.csd-testimonial-author strong { display: block; font-size: 14px; }
.csd-testimonial-author span { font-size: 12px; color: var(--cs-text-muted, #9a9aa2); }