/* ============================================
   Coop Cloud — Decentralized Data Centers
   Custom Theme (Bootstrap 5 Dark Mode)
   ============================================ */

:root {
    --bf-navy: #0a0e1a;
    --bf-charcoal: #111827;
    --bf-card-bg: #1a1f2e;
    --bf-card-border: #2a2f3e;
    --bf-teal: #00d4aa;
    --bf-blue: #3b82f6;
    --bf-gold: #d4a843;
    --bf-text: #f1f5f9;
    --bf-text-muted: #94a3b8;
    --bf-gradient: linear-gradient(135deg, var(--bf-teal), var(--bf-blue));
    --bf-glass-bg: rgba(26, 31, 46, 0.8);
    --bf-glass-border: rgba(255, 255, 255, 0.08);
}

/* ---- Base ---- */
body {
    background-color: var(--bf-navy);
    color: var(--bf-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
}

/* ---- Typography ---- */
.bf-gradient-text {
    background: var(--bf-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bf-text-lg {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--bf-text-muted);
}

.bf-section-eyebrow {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bf-teal);
    margin-bottom: 0.75rem;
}

.bf-section-title {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
    .bf-section-title { font-size: 2rem; }
}

/* ---- Navbar ---- */
.bf-navbar {
    background: rgba(10, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bf-glass-border);
    transition: background 0.3s;
    padding: 0.75rem 0;
}

.bf-navbar.bf-scrolled {
    background: rgba(10, 14, 26, 0.95);
}

.bf-brand {
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bf-nav-highlight {
    background: rgba(0, 212, 170, 0.12);
    border: 1px solid rgba(0, 212, 170, 0.35);
    border-radius: 8px;
    padding: 0.4rem 0.9rem !important;
    color: var(--bf-teal) !important;
    font-weight: 600;
}

.bf-nav-highlight:hover {
    background: rgba(0, 212, 170, 0.22);
    color: #fff !important;
}

.bf-nav-cta {
    background: var(--bf-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

/* ---- Hero Section ---- */
.bf-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.bf-hero-video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.bf-hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bf-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 14, 26, 0.6) 0%,
        rgba(10, 14, 26, 0.4) 40%,
        rgba(10, 14, 26, 0.8) 80%,
        rgba(10, 14, 26, 1) 100%
    );
}

.bf-hero-content {
    position: relative;
    z-index: 1;
}

.bf-hero-eyebrow {
    text-transform: uppercase;
    letter-spacing: 6px;
    font-size: 0.85rem;
    color: var(--bf-teal);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.bf-hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .bf-hero-title { font-size: 3rem; }
}

.bf-hero-subtitle {
    font-size: 1.3rem;
    color: var(--bf-text-muted);
    line-height: 1.8;
    max-width: 850px;
    margin-bottom: 2.5rem;
}

.bf-hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.bf-hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: bf-bounce 2s ease infinite;
    color: var(--bf-teal);
    font-size: 1.5rem;
    opacity: 0.6;
}

@keyframes bf-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ---- Buttons ---- */
.bf-btn-primary {
    background: var(--bf-gradient);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.bf-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 170, 0.3);
    color: #fff;
}

.bf-btn-outline {
    border: 1px solid var(--bf-glass-border);
    color: var(--bf-text);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    transition: border-color 0.2s, background 0.2s;
}

.bf-btn-outline:hover {
    border-color: var(--bf-teal);
    background: rgba(0, 212, 170, 0.1);
    color: var(--bf-text);
}

/* ---- Sections ---- */
.bf-section {
    padding: 7rem 0;
}

.bf-section-alt {
    background: var(--bf-charcoal);
}

/* ---- Cards (glassmorphism) ---- */
.bf-card {
    background: var(--bf-glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--bf-glass-border);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s, border-color 0.3s;
}

.bf-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 170, 0.3);
}

/* Dimension cards */
.bf-card-dimension .bf-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

.bf-icon-sovereign { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.bf-icon-sustainable { background: rgba(0, 212, 170, 0.15); color: #00d4aa; }
.bf-icon-secure { background: rgba(212, 168, 67, 0.15); color: #d4a843; }
.bf-icon-smart { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }
.bf-icon-economics { background: rgba(239, 68, 68, 0.15); color: #ef4444; }

.bf-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.bf-card-stat {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--bf-teal);
    margin-bottom: 1rem;
}

.bf-card-stat-label {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--bf-text-muted);
    display: block;
}

.bf-card-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bf-card-points li {
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
    color: var(--bf-text-muted);
    font-size: 0.9rem;
}

.bf-card-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bf-teal);
}

/* Highlight card */
.bf-card-highlight {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(59, 130, 246, 0.1));
    border-color: rgba(0, 212, 170, 0.3);
}

.bf-highlight-badge {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 3rem;
    font-weight: 900;
    background: var(--bf-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---- Comparison Table ---- */
.bf-comparison-table {
    border-collapse: separate;
    border-spacing: 0;
}

.bf-comparison-table thead th {
    background: var(--bf-card-bg);
    border-bottom: 2px solid var(--bf-teal);
    font-weight: 700;
    padding: 1rem 1.25rem;
    white-space: nowrap;
}

.bf-comparison-table tbody td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--bf-glass-border);
    vertical-align: middle;
}

.bf-table-highlight {
    background: rgba(0, 212, 170, 0.05);
    color: var(--bf-teal);
    font-weight: 500;
}

/* ---- Location ---- */
.bf-location-icon {
    font-size: 2.5rem;
    color: var(--bf-teal);
    margin-bottom: 1rem;
}

.bf-card-location-map {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.05), rgba(59, 130, 246, 0.05));
    border-color: rgba(0, 212, 170, 0.2);
}

.bf-map-placeholder {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    font-size: 1.5rem;
}

.bf-map-placeholder i {
    font-size: 2rem;
    color: var(--bf-teal);
}

.bf-location-stat {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bf-text);
}

/* ---- Audience Cards ---- */
.bf-audience-icon {
    font-size: 2.5rem;
    color: var(--bf-blue);
    margin-bottom: 1rem;
}

/* ---- Tech Stack ---- */
.bf-tech-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bf-tech-layer {
    background: var(--bf-glass-bg);
    border: 1px solid var(--bf-glass-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: border-color 0.3s;
}

.bf-tech-layer:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.bf-tech-label {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-width: 160px;
    color: var(--bf-teal);
}

.bf-tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.bf-tech-badge {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--bf-glass-border);
    border-radius: 6px;
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    color: var(--bf-text-muted);
}

.bf-tech-layer-1 { border-left: 3px solid #8b5cf6; }
.bf-tech-layer-2 { border-left: 3px solid #3b82f6; }
.bf-tech-layer-3 { border-left: 3px solid #00d4aa; }
.bf-tech-layer-4 { border-left: 3px solid #d4a843; }
.bf-tech-layer-5 { border-left: 3px solid #ef4444; }

@media (max-width: 768px) {
    .bf-tech-layer {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    .bf-tech-label { min-width: auto; }
}

/* ---- Stats / Counters ---- */
.bf-stat-card {
    background: var(--bf-glass-bg);
    border: 1px solid var(--bf-glass-border);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    transition: border-color 0.3s;
}

.bf-stat-card:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.bf-stat-value {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bf-text);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.bf-stat-unit {
    font-size: 1.2rem;
    color: var(--bf-teal);
    font-weight: 600;
}

.bf-stat-label {
    color: var(--bf-text-muted);
    font-size: 0.9rem;
}

.bf-counter {
    display: inline-block;
}

/* ---- Partners ---- */
.bf-partners-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    padding: 2rem 0;
}

.bf-partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--bf-text-muted);
    font-size: 0.9rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.bf-partner-logo:hover { opacity: 1; }

.bf-partner-logo i {
    font-size: 2.5rem;
}

/* ---- Contact ---- */
.bf-card-form {
    background: var(--bf-card-bg);
    border-color: rgba(0, 212, 170, 0.15);
}

.bf-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--bf-glass-border);
    border-radius: 8px;
    color: var(--bf-text);
    padding: 0.75rem 1rem;
}

.bf-input:focus {
    background: rgba(0, 0, 0, 0.4);
    border-color: var(--bf-teal);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
    color: var(--bf-text);
}

.bf-input::placeholder {
    color: var(--bf-text-muted);
}

.bf-contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.bf-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--bf-text-muted);
}

.bf-contact-item i {
    color: var(--bf-teal);
    font-size: 1.2rem;
}

/* ---- Pentagon Chart ---- */
.bf-pentagon-wrap {
    max-width: 400px;
    margin: 0 auto;
}

.bf-pentagon-svg {
    width: 100%;
    height: auto;
}

.bf-pentagon-grid {
    fill: none;
    stroke: var(--bf-glass-border);
    stroke-width: 1;
}

.bf-pentagon-data {
    fill: rgba(0, 212, 170, 0.15);
    stroke: var(--bf-teal);
    stroke-width: 2;
    transition: all 0.8s ease;
}

.bf-pentagon-axis {
    stroke: var(--bf-glass-border);
    stroke-width: 1;
    stroke-dasharray: 4 4;
}

.bf-pentagon-label {
    fill: var(--bf-text-muted);
    font-size: 13px;
    font-weight: 600;
}

.bf-pentagon-dot {
    fill: var(--bf-teal);
    transition: all 0.6s ease;
}

/* ---- Blog ---- */
.bf-blog-header {
    padding-top: 8rem;
}

.bf-card-blog {
    display: flex;
    flex-direction: column;
}

.bf-blog-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--bf-text-muted);
    margin-bottom: 1rem;
}

.bf-blog-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.bf-blog-card-title a {
    color: var(--bf-text);
    text-decoration: none;
    transition: color 0.2s;
}

.bf-blog-card-title a:hover {
    color: var(--bf-teal);
}

.bf-blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.bf-tag {
    background: rgba(0, 212, 170, 0.1);
    color: var(--bf-teal);
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 500;
}

.bf-read-more {
    color: var(--bf-teal);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: gap 0.2s;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.bf-read-more:hover {
    gap: 0.75rem;
    color: var(--bf-teal);
}

/* ---- Blog Article ---- */
.bf-blog-article {
    padding-top: 7rem;
}

.bf-back-link {
    color: var(--bf-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-block;
    margin-bottom: 2rem;
    transition: color 0.2s;
}

.bf-back-link:hover { color: var(--bf-teal); }

.bf-article-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .bf-article-title { font-size: 1.8rem; }
}

.bf-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--bf-text-muted);
    font-size: 0.9rem;
}

.bf-article-meta i { color: var(--bf-teal); }

.bf-article-body {
    margin-top: 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--bf-text-muted);
}

.bf-article-body h2 {
    color: var(--bf-text);
    font-size: 1.7rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.bf-article-body h3 {
    color: var(--bf-text);
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.bf-article-body p { margin-bottom: 1.25rem; }

.bf-article-body strong { color: var(--bf-text); }

.bf-article-body ul, .bf-article-body ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.bf-article-body li { margin-bottom: 0.5rem; }

.bf-article-body blockquote {
    border-left: 3px solid var(--bf-teal);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: rgba(0, 212, 170, 0.05);
    border-radius: 0 8px 8px 0;
}

.bf-article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
}

/* ---- Footer ---- */
.bf-footer {
    background: var(--bf-charcoal);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--bf-glass-border);
}

.bf-footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.bf-powered-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--bf-text-muted);
    background: rgba(0, 212, 170, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    margin-top: 1rem;
}

.bf-footer-heading {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    color: var(--bf-text);
}

.bf-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bf-footer-links li { margin-bottom: 0.5rem; }

.bf-footer-links a {
    color: var(--bf-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.bf-footer-links a:hover { color: var(--bf-teal); }

.bf-footer-divider {
    border-color: var(--bf-glass-border);
    margin: 2rem 0;
}

/* ---- Flow Steps (cooperative process) ---- */
.bf-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 600px;
    margin: 0 auto;
}

.bf-flow-step {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--bf-glass-bg);
    border: 1px solid var(--bf-glass-border);
    border-radius: 12px;
    transition: border-color 0.3s;
}

.bf-flow-step:hover {
    border-color: rgba(0, 212, 170, 0.3);
}

.bf-flow-step-highlight {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(59, 130, 246, 0.1));
    border-color: rgba(0, 212, 170, 0.3);
}

.bf-flow-number {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    background: var(--bf-gradient);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bf-flow-text {
    font-size: 1.05rem;
    line-height: 1.5;
    color: var(--bf-text);
}

.bf-flow-arrow {
    text-align: center;
    color: var(--bf-teal);
    font-size: 1.2rem;
    padding: 0.25rem 0;
    opacity: 0.5;
}

/* ---- Narrative ---- */
.bf-narrative p {
    margin-bottom: 1rem;
}

/* ---- Scroll Animations ---- */
.bf-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.bf-fade-in.bf-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Support for CSS scroll-driven animations */
@supports (animation-timeline: view()) {
    .bf-fade-in {
        animation: bf-fade-in-anim linear both;
        animation-timeline: view();
        animation-range: entry 0% entry 30%;
    }

    @keyframes bf-fade-in-anim {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
}