/* ============================================================
   PROJECT CASE STUDY PAGE STYLING
   Caleb Muiruri Portfolio
============================================================ */

.project-page {
    background-color: #fdfbf7;
    color: #181818;
    font-family: var(--font-body, "Inter", sans-serif);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0;
}

.project-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   HEADER / NAVIGATION
============================================================ */
.project-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(253, 251, 247, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 16px 0;
}

.project-nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.project-logo-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.project-logo {
    font-family: var(--font-display, "Space Grotesk", sans-serif);
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.project-logo .logo-dot {
    color: #ea490c;
}

.project-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    text-decoration: none;
    border-radius: 9999px;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.2s ease;
}

.project-back-link:hover {
    color: #0f172a;
    background: rgba(0, 0, 0, 0.06);
    transform: translateX(-2px);
}

.project-nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.project-nav-link {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
}

.project-nav-link:hover,
.project-nav-link.active {
    color: #0f172a;
    font-weight: 600;
}

.project-nav-link.active::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ea490c;
    border-radius: 2px;
}

.project-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: #0f172a;
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.project-nav-cta:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.22);
}

.project-mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: #0f172a;
}

/* ============================================================
   PROJECT SELECTOR SWITCHER
============================================================ */
.project-selector-bar {
    background: #f1f5f9;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.project-selector-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    padding: 4px 0;
    scrollbar-width: none;
}

.project-selector-inner::-webkit-scrollbar {
    display: none;
}

.project-selector-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #64748b;
    white-space: nowrap;
    margin-right: 8px;
}

.project-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 9999px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.project-tab-btn:hover {
    color: #0f172a;
    border-color: #cbd5e1;
    background: #f8fafc;
}

.project-tab-btn.active {
    background: #ea490c;
    color: #ffffff;
    border-color: #ea490c;
    box-shadow: 0 4px 12px rgba(234, 73, 12, 0.25);
}

.project-tab-badge {
    font-size: 11px;
    opacity: 0.8;
}

/* ============================================================
   HERO SECTION
============================================================ */
.project-hero {
    padding: 56px 0 40px;
}

.project-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #64748b;
    margin-bottom: 24px;
}

.project-breadcrumb a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.project-breadcrumb a:hover {
    color: #ea490c;
}

.project-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 9999px;
    background: #fff7ed;
    color: #ea490c;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid rgba(234, 73, 12, 0.2);
    margin-bottom: 16px;
}

.project-title {
    font-family: var(--font-display, "Space Grotesk", sans-serif);
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: #0f172a;
    margin: 0 0 16px;
}

.project-tagline {
    font-size: clamp(17px, 1.6vw, 22px);
    line-height: 1.5;
    color: #475569;
    max-width: 820px;
    margin: 0 0 36px;
}

/* Meta Bento Grid */
.project-meta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 24px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.04);
    margin-bottom: 48px;
}

.project-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-meta-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #94a3b8;
}

.project-meta-value {
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
}

/* Hero Showcase Visual */
.project-showcase-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: #0f172a;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.2);
    margin-bottom: 64px;
}

.project-showcase-frame img {
    width: 100%;
    height: auto;
    max-height: 640px;
    object-fit: cover;
    display: block;
}

.project-showcase-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #ffffff;
}

.project-showcase-caption {
    font-size: 14px;
    font-weight: 500;
    color: #e2e8f0;
}

.project-showcase-actions {
    display: flex;
    gap: 12px;
}

.project-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 9999px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.project-action-btn--primary {
    background: #ea490c;
    color: #ffffff;
}

.project-action-btn--primary:hover {
    background: #d83f08;
    transform: translateY(-1px);
}

.project-action-btn--secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-action-btn--secondary:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ============================================================
   CONTENT SECTIONS
============================================================ */
.project-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.project-main-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.project-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.project-section-heading {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.project-section-title {
    font-family: var(--font-display, "Space Grotesk", sans-serif);
    font-size: 26px;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: -0.02em;
    margin: 0;
}

.project-section-accent {
    width: 24px;
    height: 3px;
    background: #ea490c;
    border-radius: 2px;
}

.project-prose {
    font-size: 16px;
    line-height: 1.7;
    color: #475569;
}

.project-prose p {
    margin: 0 0 16px;
}

.project-prose p:last-child {
    margin-bottom: 0;
}

/* Challenge vs Solution comparison cards */
.project-dual-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 12px;
}

.project-card-box {
    padding: 24px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
}

.project-card-box--challenge {
    border-left: 4px solid #ef4444;
}

.project-card-box--solution {
    border-left: 4px solid #10b981;
}

.project-card-box-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 15px;
    color: #0f172a;
}

.project-card-box-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #475569;
    margin: 0;
}

/* Features Grid */
.project-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 8px;
}

.project-feature-card {
    background: #ffffff;
    padding: 24px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.06);
}

.project-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff7ed;
    color: #ea490c;
}

.project-feature-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.project-feature-desc {
    font-size: 14px;
    line-height: 1.6;
    color: #64748b;
    margin: 0;
}

.project-feature-list {
    margin: 8px 0 0 0;
    padding-left: 18px;
    color: #475569;
    font-size: 13.5px;
    line-height: 1.6;
}

.project-feature-list li {
    margin-bottom: 4px;
}

/* Sidebar Info Panel */
.project-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.project-sidebar-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    padding: 28px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.project-sidebar-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #f1f5f9;
}

/* Tech Pills List */
.project-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech-tag {
    padding: 6px 12px;
    border-radius: 8px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    font-size: 12px;
    font-weight: 600;
    color: #334155;
}

/* Metrics List */
.project-metric-item {
    display: flex;
    flex-direction: column;
    padding: 14px 0;
    border-bottom: 1px solid #f1f5f9;
}

.project-metric-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.project-metric-number {
    font-family: var(--font-display, "Space Grotesk", sans-serif);
    font-size: 32px;
    font-weight: 800;
    color: #ea490c;
    line-height: 1;
    margin-bottom: 4px;
}

.project-metric-label {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

/* Testimonial Quote Card */
.project-quote-card {
    background: #181818;
    color: #ffffff;
    border-radius: 16px;
    padding: 28px;
    position: relative;
}

.project-quote-icon {
    font-family: Georgia, serif;
    font-size: 48px;
    line-height: 1;
    color: #ea490c;
    margin-bottom: 12px;
}

.project-quote-text {
    font-size: 14px;
    line-height: 1.6;
    color: #cbd5e1;
    font-style: italic;
    margin: 0 0 16px;
}

.project-quote-author {
    font-size: 13px;
    font-weight: 700;
    color: #ffffff;
}

.project-quote-role {
    font-size: 12px;
    color: #94a3b8;
}

/* ============================================================
   PROJECT NAVIGATION (NEXT / PREV)
============================================================ */
.project-nav-footer {
    padding: 40px 0;
    border-top: 1px solid #e2e8f0;
    margin-top: 24px;
}

.project-nav-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.project-nav-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
    padding: 16px 20px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
    max-width: 320px;
}

.project-nav-box:hover {
    border-color: #ea490c;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px -6px rgba(234, 73, 12, 0.15);
}

.project-nav-dir {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ea490c;
}

.project-nav-name {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
}

/* ============================================================
   CTA BANNER SECTION
============================================================ */
.project-cta-banner {
    padding: 48px 0 80px;
}

.project-cta-inner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 24px;
    padding: 48px 40px;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.3);
}

.project-cta-heading {
    font-family: var(--font-display, "Space Grotesk", sans-serif);
    font-size: clamp(28px, 3.2vw, 42px);
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 12px;
}

.project-cta-heading span {
    color: #ea490c;
}

.project-cta-subtext {
    font-size: 16px;
    color: #94a3b8;
    max-width: 520px;
    margin: 0;
}

.project-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: #ea490c;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    border-radius: 9999px;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    box-shadow: 0 6px 20px rgba(234, 73, 12, 0.35);
    cursor: pointer;
    border: none;
}

.project-cta-btn:hover {
    background: #d83f08;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(234, 73, 12, 0.45);
}

/* ============================================================
   FOOTER
============================================================ */
.project-site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 32px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.project-site-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}

.project-site-footer-inner a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}

.project-site-footer-inner a:hover {
    color: #ea490c;
}

/* ============================================================
   RESPONSIVE DESIGN
============================================================ */
@media (max-width: 900px) {
    .project-meta-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .project-content-grid {
        grid-template-columns: 1fr;
    }

    .project-cta-inner {
        flex-direction: column;
        text-align: center;
        padding: 36px 24px;
    }

    .project-cta-subtext {
        max-width: 100%;
    }
}

@media (max-width: 680px) {
    .project-nav-links {
        display: none;
    }

    .project-nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fdfbf7;
        padding: 20px 24px;
        border-bottom: 1px solid #e2e8f0;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        gap: 16px;
    }

    .project-mobile-toggle {
        display: block;
    }

    .project-back-link {
        display: none;
    }

    .project-features-grid,
    .project-dual-cards {
        grid-template-columns: 1fr;
    }

    .project-meta-grid {
        grid-template-columns: 1fr;
    }

    .project-nav-footer-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .project-nav-box {
        max-width: 100%;
    }

    .project-showcase-overlay {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }
}