@import url("_shared.css");

/* ======================================================
   CASE STUDY PAGE
   Theme: Deep blue to teal (security/trust)
   ====================================================== */

:root {
    --accent: oklch(62% 0.2 245);
    --accent-secondary: oklch(68% 0.18 200);

    --gradient-primary: linear-gradient(
        135deg,
        oklch(55% 0.22 250) 0%,
        oklch(62% 0.2 245) 50%,
        oklch(68% 0.18 200) 100%
    );
    --gradient-text: linear-gradient(
        135deg,
        oklch(100% 0 0) 0%,
        oklch(88% 0.02 240) 100%
    );
    --gradient-mesh:
        radial-gradient(ellipse at 20% 10%, oklch(55% 0.22 250 / 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 90%, oklch(68% 0.18 200 / 0.2) 0%, transparent 50%),
        oklch(12% 0.02 245);

    --text-primary: oklch(96% 0 0);
    --text-body: oklch(85% 0.01 245);
    --text-muted: oklch(72% 0.01 245);
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    background: var(--gradient-mesh);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 30% 25%, oklch(55% 0.22 250 / 0.15) 0%, transparent 45%),
        radial-gradient(circle at 70% 75%, oklch(68% 0.18 200 / 0.1) 0%, transparent 45%);
    z-index: -1;
    animation: drift 30s ease-in-out infinite alternate;
}

@keyframes drift {
    0% { transform: translateY(0) scale(1); }
    100% { transform: translateY(-2%) scale(1.02); }
}

/* Hero badge */
.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: oklch(88% 0.08 245);
    background: oklch(100% 0 0 / 0.06);
    border: 1px solid oklch(100% 0 0 / 0.1);
    border-radius: 100px;
    margin-bottom: 2rem;
}

/* ======================================================
   CASE STUDY CONTENT
   ====================================================== */
.case-study-content {
    padding: clamp(2rem, 6vh, 4rem) 0;
    max-width: 800px;
    margin-inline: auto;
}

/* Meta bar */
.case-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: var(--surface-glass);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
}

@media (width >= 600px) {
    .case-meta {
        grid-template-columns: repeat(4, 1fr);
    }
}

.meta-item {
    text-align: center;
}

.meta-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.severity-critical {
    color: oklch(65% 0.25 25);
}

/* Body sections */
.case-body {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.case-section h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.case-section p {
    color: var(--text-body);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.case-section p:last-child {
    margin-bottom: 0;
}

.case-section strong {
    color: var(--text-primary);
}

.case-section code {
    font-size: 0.85em;
    padding: 0.15em 0.4em;
    background: oklch(100% 0 0 / 0.06);
    border: 1px solid oklch(100% 0 0 / 0.08);
    border-radius: 4px;
    color: oklch(80% 0.1 245);
}

/* Stats grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (width >= 600px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: var(--surface-glass);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 1.25rem 1rem;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.3;
}

/* Timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.timeline-item {
    display: flex;
    gap: 1.25rem;
}

.timeline-marker {
    flex-shrink: 0;
    width: 4.5rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: var(--gradient-primary);
    color: white;
    border-radius: 100px;
    margin-top: 0.15rem;
}

.timeline-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.timeline-content p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Tools */
.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tool-tag {
    padding: 0.35rem 0.85rem;
    font-size: 0.85rem;
    font-weight: 500;
    background: oklch(100% 0 0 / 0.06);
    border: 1px solid oklch(100% 0 0 / 0.1);
    border-radius: 100px;
    color: var(--text-body);
}

/* Read more */
.case-read-more {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.case-read-more p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}