/* ============================================
   CARBON_CREDITS.CSS - Master Edition
   ============================================ */

/* ---------- DESIGN SYSTEM ---------- */
:root {
    --carbon-black: #0a2b1a;
    --carbon-navy: #0a1f17;
    --carbon-gold: #e6b800;
    --carbon-gold-light: #ffd966;
    --carbon-gold-dark: #cc9900;
    --carbon-silver: #8a8f99;
    --carbon-platinum: #e8e9eb;
    --carbon-white: #ffffff;
    --carbon-offwhite: #f5f7fa;
    --carbon-green: #2e7d32;
    --carbon-green-light: #4caf50;
    
    --gradient-carbon: linear-gradient(135deg, var(--carbon-gold) 0%, #ffb347 100%);
    --gradient-dark: linear-gradient(135deg, #0a2b1a 0%, #1a2e24 100%);
    --gradient-premium: linear-gradient(135deg, #e6b800 0%, #ffaa33 100%);
    
    --shadow-luxury: 0 25px 50px -10px rgba(0,0,0,0.25);
    --shadow-luxury-light: 0 25px 40px -15px rgba(230,184,0,0.15);
    --shadow-luxury-gold: 0 20px 40px -10px rgba(230,184,0,0.25);
}

/* ---------- CINEMATIC HERO ---------- */
.carbon-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
    background: var(--carbon-black);
}

@media (max-width: 768px) {
    .carbon-hero {
        min-height: 80vh;
        padding: 100px 0 60px;
    }
}

.hero-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-media-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    grid-template-rows: 1fr 1fr;
    gap: 4px;
    width: 100%;
    height: 100%;
}

@media (max-width: 768px) {
    .hero-media-grid {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 0.5fr 0.5fr;
    }
    
    .media-primary {
        grid-row: 1;
        grid-column: 1;
    }
    
    .media-accent-1 {
        grid-row: 2;
        grid-column: 1;
    }
    
    .media-accent-2 {
        grid-row: 3;
        grid-column: 1;
    }
}

.media-primary {
    grid-row: 1 / -1;
    grid-column: 1;
    overflow: hidden;
}

.media-primary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: slowZoom 20s infinite alternate ease-in-out;
}

.media-accent-1 {
    grid-row: 1;
    grid-column: 2;
    overflow: hidden;
}

.media-accent-2 {
    grid-row: 2;
    grid-column: 2;
    overflow: hidden;
}

@media (max-width: 576px) {
    .media-accent-1,
    .media-accent-2 {
        display: none;
    }
}

.media-accent-1 img,
.media-accent-2 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.overlay-gradient-multilayer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.gradient-1 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, transparent 0%, rgba(10,43,26,0.4) 100%);
}

.gradient-2 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,43,26,0.95) 0%, rgba(10,43,26,0.7) 50%, rgba(10,43,26,0.4) 100%);
}

.hero-content-wrapper {
    position: relative;
    z-index: 10;
    max-width: 900px;
    color: var(--carbon-white);
    padding: 0 20px;
}

.breadcrumb-luxury {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 35px;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    flex-wrap: wrap;
}

@media (max-width: 576px) {
    .breadcrumb-luxury {
        font-size: 0.8rem;
        gap: 8px;
        margin-bottom: 25px;
    }
}

.breadcrumb-luxury a {
    color: rgba(255,255,255,0.7);
    transition: color 0.3s ease;
    text-decoration: none;
}

.breadcrumb-luxury a:hover {
    color: var(--carbon-gold);
}

.breadcrumb-luxury .separator {
    color: var(--carbon-gold);
    font-size: 0.75rem;
}

.breadcrumb-luxury .current {
    color: var(--carbon-white);
    font-weight: 700;
    position: relative;
}

.breadcrumb-luxury .current::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--carbon-gold);
}

.hero-badge-container {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

@media (max-width: 576px) {
    .hero-badge-container {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 25px;
    }
}

.badge-benchmark,
.badge-volume {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(230,184,0,0.2);
    border-radius: 100px;
    font-size: 0.9rem;
}

@media (max-width: 576px) {
    .badge-benchmark,
    .badge-volume {
        width: fit-content;
        padding: 10px 20px;
        font-size: 0.8rem;
    }
}

.badge-icon {
    color: var(--carbon-gold);
    font-size: 1rem;
}

.hero-title-master {
    margin-bottom: 25px;
}

.hero-title-master .title-line {
    display: block;
    font-size: 5rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    line-height: 1.1;
}

@media (max-width: 1200px) {
    .hero-title-master .title-line {
        font-size: 4rem;
    }
}

@media (max-width: 992px) {
    .hero-title-master .title-line {
        font-size: 3.2rem;
    }
}

@media (max-width: 768px) {
    .hero-title-master .title-line {
        font-size: 2.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title-master .title-line {
        font-size: 2rem;
    }
}

@media (max-width: 375px) {
    .hero-title-master .title-line {
        font-size: 1.8rem;
    }
}

.hero-title-master .gold-gradient {
    background: linear-gradient(135deg, #e6b800 0%, #ffaa33 50%, #ffd966 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.9);
    max-width: 750px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .hero-description {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .hero-description {
        font-size: 1rem;
        line-height: 1.5;
    }
}

.hero-action-group {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero-action-group {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 40px;
    }
}

.btn-hero-primary,
.btn-hero-secondary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 18px 36px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.4s ease;
}

@media (max-width: 576px) {
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        padding: 16px 24px;
        font-size: 1rem;
    }
}

.btn-hero-primary {
    background: var(--gradient-premium);
    border: none;
    color: var(--carbon-black);
    overflow: hidden;
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(230,184,0,0.3);
}

.btn-hero-secondary {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.2);
    color: var(--carbon-white);
}

.btn-hero-secondary:hover {
    border-color: var(--carbon-gold);
    background: rgba(230,184,0,0.05);
    transform: translateY(-3px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

.btn-hero-primary:hover .btn-glow {
    left: 100%;
}

.hero-trading-floor {
    background: rgba(10,43,26,0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 25px 30px;
    max-width: 800px;
}

@media (max-width: 768px) {
    .hero-trading-floor {
        padding: 20px;
    }
}

.floor-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 20px;
}

@media (max-width: 768px) {
    .floor-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .stat-divider {
        display: none;
    }
}

.stat-group {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--carbon-white);
}

.stat-change {
    font-size: 0.8rem;
    margin-top: 3px;
}

.stat-change.positive {
    color: #00c853;
}

.stat-change.negative {
    color: #ff3d00;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
}

.floor-timestamp {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.floor-timestamp i {
    color: var(--carbon-gold);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
}

@media (max-width: 768px) {
    .hero-scroll-indicator {
        display: none;
    }
}

.scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--carbon-white);
}

.scroll-text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.7);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--carbon-gold) 0%, transparent 100%);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0.3; transform: scaleY(0.8); }
}

/* ---------- COMMAND CENTER ---------- */
.carbon-command-center {
    padding: 120px 0;
    background: var(--carbon-white);
    position: relative;
}

@media (max-width: 768px) {
    .carbon-command-center {
        padding: 70px 0;
    }
}

.command-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

@media (max-width: 1200px) {
    .command-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    .command-grid {
        gap: 40px;
    }
}

.command-visual {
    position: relative;
}

.visual-triptych {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.triptych-primary {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.triptych-primary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-caption {
    position: absolute;
    bottom: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    box-shadow: var(--shadow-luxury);
}

@media (max-width: 576px) {
    .image-caption {
        bottom: 10px;
        left: 10px;
        padding: 8px 16px;
        gap: 8px;
    }
    
    .caption-text {
        font-size: 0.85rem;
    }
}

.caption-icon {
    color: var(--carbon-gold);
    font-size: 1.2rem;
}

.caption-text {
    font-weight: 600;
    color: var(--carbon-black);
}

.triptych-secondary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 576px) {
    .triptych-secondary {
        gap: 10px;
    }
}

.secondary-item {
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 1;
}

.secondary-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.command-floating-card {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 280px;
    background: var(--carbon-white);
    border-radius: 20px;
    box-shadow: var(--shadow-luxury);
    padding: 25px;
    border: 1px solid rgba(230,184,0,0.2);
}

@media (max-width: 1200px) {
    .command-floating-card {
        display: none;
    }
}

.content-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.badge-line {
    width: 50px;
    height: 2px;
    background: var(--carbon-gold);
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--carbon-gold);
}

.command-title {
    font-size: 3.2rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--carbon-black);
}

@media (max-width: 1200px) {
    .command-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .command-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 576px) {
    .command-title {
        font-size: 1.8rem;
    }
}

.command-lead {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--carbon-black);
    margin-bottom: 20px;
    line-height: 1.5;
    border-left: 4px solid var(--carbon-gold);
    padding-left: 25px;
}

@media (max-width: 768px) {
    .command-lead {
        font-size: 1.1rem;
        padding-left: 20px;
    }
}

@media (max-width: 576px) {
    .command-lead {
        font-size: 1rem;
        padding-left: 15px;
    }
}

.command-paragraphs p {
    margin-bottom: 20px;
    color: #4a5568;
    line-height: 1.8;
}

@media (max-width: 768px) {
    .command-paragraphs p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
}

.command-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 40px 0 30px;
}

@media (max-width: 992px) {
    .command-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .command-metrics {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.metric-block {
    text-align: left;
}

.metric-digit {
    display: block;
    font-size: 2.2rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-gold);
    line-height: 1;
    margin-bottom: 5px;
}

@media (max-width: 768px) {
    .metric-digit {
        font-size: 1.8rem;
    }
}

.metric-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--carbon-black);
    margin-bottom: 3px;
}

.metric-desc {
    font-size: 0.75rem;
    color: var(--carbon-silver);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.command-certifications {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

@media (max-width: 576px) {
    .command-certifications {
        flex-direction: column;
        gap: 10px;
    }
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #4a5568;
}

.cert-item i {
    color: var(--carbon-gold);
}

/* ---------- CARBON PROJECTS MASTER ---------- */
.carbon-projects-master {
    padding: 100px 0;
    background: var(--carbon-offwhite);
}

@media (max-width: 768px) {
    .carbon-projects-master {
        padding: 70px 0;
    }
}

.master-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

@media (max-width: 992px) {
    .master-header {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.eyebrow-luxury {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--carbon-gold);
    margin-bottom: 15px;
}

.master-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    line-height: 1.1;
    color: var(--carbon-black);
}

@media (max-width: 1200px) {
    .master-title {
        font-size: 2.4rem;
    }
}

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

@media (max-width: 576px) {
    .master-title {
        font-size: 1.8rem;
    }
}

.header-description {
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.6;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .header-description {
        font-size: 1rem;
    }
}

.master-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    gap: 20px;
}

@media (max-width: 992px) {
    .master-filter {
        flex-direction: column;
        align-items: stretch;
    }
}

.filter-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

@media (max-width: 576px) {
    .filter-group {
        gap: 10px;
    }
}

.filter-option {
    padding: 12px 28px;
    background: transparent;
    border: 1px solid #e2e8f0;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
}

@media (max-width: 576px) {
    .filter-option {
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}

.filter-option:hover {
    border-color: var(--carbon-gold);
    color: var(--carbon-gold);
}

.filter-option.active {
    background: var(--carbon-gold);
    border-color: var(--carbon-gold);
    color: var(--carbon-black);
}

.filter-search {
    position: relative;
    width: 300px;
}

@media (max-width: 992px) {
    .filter-search {
        width: 100%;
    }
}

.filter-search i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
}

.filter-search input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border: 1px solid #e2e8f0;
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.filter-search input:focus {
    outline: none;
    border-color: var(--carbon-gold);
    box-shadow: 0 0 0 3px rgba(230,184,0,0.1);
}

.master-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

@media (max-width: 1400px) {
    .master-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .master-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.project-card-luxury {
    background: var(--carbon-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(0,0,0,0.02);
}

@media (max-width: 768px) {
    .project-card-luxury:hover {
        transform: translateY(-6px);
    }
}

.card-media {
    position: relative;
    height: 200px;
    overflow: hidden;
}

@media (max-width: 576px) {
    .card-media {
        height: 180px;
    }
}

.media-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.media-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.project-card-luxury:hover .media-wrapper img {
    transform: scale(1.08);
}

.media-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 16px;
    background: rgba(10,43,26,0.9);
    backdrop-filter: blur(4px);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--carbon-gold);
    border: 1px solid rgba(230,184,0,0.3);
}

@media (max-width: 576px) {
    .media-badge {
        padding: 4px 12px;
        font-size: 0.65rem;
    }
}

.card-content {
    padding: 25px;
}

@media (max-width: 576px) {
    .card-content {
        padding: 20px;
    }
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.project-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--carbon-black);
    margin: 0;
}

@media (max-width: 576px) {
    .project-header h3 {
        font-size: 1.1rem;
    }
}

.origin {
    font-size: 0.75rem;
    color: var(--carbon-silver);
    background: #f7fafc;
    padding: 6px 12px;
    border-radius: 50px;
    white-space: nowrap;
}

.project-specs-premium {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 15px 0;
    border-top: 1px solid #edf2f7;
    border-bottom: 1px solid #edf2f7;
    flex-wrap: wrap;
    gap: 10px;
}

@media (max-width: 576px) {
    .project-specs-premium {
        padding: 12px 0;
    }
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--carbon-silver);
    margin-bottom: 4px;
}

.spec-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--carbon-black);
}

@media (max-width: 576px) {
    .spec-value {
        font-size: 0.9rem;
    }
}

.spec-divider {
    width: 1px;
    height: 25px;
    background: #edf2f7;
}

@media (max-width: 576px) {
    .spec-divider {
        display: none;
    }
}

.project-summary {
    font-size: 0.9rem;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ---------- DOCUMENTATION LIBRARY ---------- */
.doc-library {
    margin-top: 60px;
    padding: 40px;
    background: var(--carbon-white);
    border-radius: 30px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.03);
    border: 1px solid #edf2f7;
}

@media (max-width: 768px) {
    .doc-library {
        padding: 30px 20px;
    }
}

.doc-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .doc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
}

.doc-icon {
    width: 70px;
    height: 70px;
    background: rgba(230,184,0,0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--carbon-gold);
}

@media (max-width: 576px) {
    .doc-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

.doc-title-group {
    flex: 1;
}

.doc-title-group h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--carbon-black);
    margin-bottom: 8px;
}

@media (max-width: 576px) {
    .doc-title-group h3 {
        font-size: 1.2rem;
    }
}

.doc-title-group p {
    color: #4a5568;
}

@media (max-width: 576px) {
    .doc-title-group p {
        font-size: 0.9rem;
    }
}

.doc-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--carbon-black);
    border-radius: 12px;
    color: var(--carbon-white);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

@media (max-width: 576px) {
    .doc-button {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
    }
}

.doc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

@media (max-width: 992px) {
    .doc-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .doc-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- VALUE CHAIN ---------- */
.value-chain-premium {
    padding: 100px 0;
    background: var(--carbon-white);
}

@media (max-width: 768px) {
    .value-chain-premium {
        padding: 70px 0;
    }
}

.chain-header {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.chain-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-black);
}

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

@media (max-width: 576px) {
    .chain-title {
        font-size: 1.8rem;
    }
}

.chain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    padding: 0 20px;
}

@media (max-width: 1400px) {
    .chain-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .chain-grid {
        grid-template-columns: 1fr;
    }
}

.chain-card {
    background: var(--carbon-white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0,0,0,0.03);
    border: 1px solid #edf2f7;
    transition: all 0.4s ease;
}

.chain-media {
    position: relative;
    height: 200px;
    overflow: hidden;
}

@media (max-width: 576px) {
    .chain-media {
        height: 180px;
    }
}

.chain-content {
    padding: 25px;
}

@media (max-width: 576px) {
    .chain-content {
        padding: 20px;
    }
    
    .chain-content h3 {
        font-size: 1.2rem;
    }
    
    .chain-content p {
        font-size: 0.9rem;
    }
}

/* ---------- CARBON NETWORK ---------- */
.carbon-network {
    padding: 100px 0;
    background: var(--carbon-offwhite);
}

@media (max-width: 768px) {
    .carbon-network {
        padding: 70px 0;
    }
}

.network-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
    padding: 0 20px;
}

@media (max-width: 992px) {
    .network-intro {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.network-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-black);
}

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

@media (max-width: 576px) {
    .network-title {
        font-size: 1.8rem;
    }
}

.network-description {
    font-size: 1.1rem;
    color: #4a5568;
    line-height: 1.6;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .network-description {
        font-size: 1rem;
    }
}

.network-visualization {
    background: var(--carbon-white);
    border-radius: 30px;
    padding: 40px;
    box-shadow: var(--shadow-luxury);
    margin: 0 20px;
}

@media (max-width: 768px) {
    .network-visualization {
        padding: 20px;
    }
}

.network-map-container {
    position: relative;
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .network-map-container {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .network-map-container {
        height: 200px;
    }
}

.network-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-marker {
    position: absolute;
    z-index: 10;
}

@media (max-width: 768px) {
    .map-marker .marker-label,
    .map-marker .marker-tooltip {
        display: none;
    }
}

.partner-marquee {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

@media (max-width: 1200px) {
    .partner-marquee {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .partner-marquee {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------- SDG IMPACT ---------- */
.sdg-impact {
    padding: 100px 0;
    background: var(--carbon-white);
}

@media (max-width: 768px) {
    .sdg-impact {
        padding: 70px 0;
    }
}

.impact-header {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.impact-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-black);
}

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

@media (max-width: 576px) {
    .impact-title {
        font-size: 1.8rem;
    }
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

@media (max-width: 1200px) {
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .impact-grid {
        grid-template-columns: 1fr;
    }
}

/* ---------- MARKET INTELLIGENCE ---------- */
.market-intelligence {
    padding: 100px 0;
    background: var(--carbon-offwhite);
}

@media (max-width: 768px) {
    .market-intelligence {
        padding: 70px 0;
    }
}

.intelligence-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 20px;
}

.intelligence-title {
    font-size: 2.8rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-black);
}

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

@media (max-width: 576px) {
    .intelligence-title {
        font-size: 1.8rem;
    }
}

.commentary-grid-luxury {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
    padding: 0 20px;
}

@media (max-width: 992px) {
    .commentary-grid-luxury {
        grid-template-columns: 1fr;
    }
}

.commentary-card-luxury {
    display: flex;
    gap: 25px;
    padding: 30px;
    background: var(--carbon-white);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    transition: all 0.4s ease;
}

@media (max-width: 576px) {
    .commentary-card-luxury {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
    }
}

.newsletter-signup {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: var(--carbon-white);
    border-radius: 20px;
    box-shadow: var(--shadow-luxury);
    margin: 0 20px;
    flex-wrap: wrap;
}

@media (max-width: 992px) {
    .newsletter-signup {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}

.signup-form {
    display: flex;
    gap: 10px;
    min-width: 400px;
}

@media (max-width: 992px) {
    .signup-form {
        min-width: auto;
        flex-direction: column;
    }
}

/* ---------- CARBON QUOTE ENGINE ---------- */
.carbon-quote-engine {
    padding: 100px 0 80px;
    background: linear-gradient(135deg, var(--carbon-black) 0%, #1a2e24 100%);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .carbon-quote-engine {
        padding: 70px 0 50px;
    }
}

.quote-engine-container {
    position: relative;
    z-index: 10;
    padding: 0 20px;
}

.quote-engine-header {
    text-align: center;
    margin-bottom: 50px;
}

.engine-title {
    font-size: 3.2rem;
    font-weight: 800;
    font-family: 'Syne', sans-serif;
    color: var(--carbon-white);
    margin-bottom: 15px;
}

@media (max-width: 992px) {
    .engine-title {
        font-size: 2.5rem;
    }
}

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

@media (max-width: 576px) {
    .engine-title {
        font-size: 1.8rem;
    }
}

.engine-description {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .engine-description {
        font-size: 1rem;
        padding: 0 20px;
    }
}

.quote-engine-body {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .quote-engine-body {
        grid-template-columns: 1fr;
    }
}

.quote-form-panel,
.quote-contact-panel {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 30px;
    padding: 40px;
}

@media (max-width: 768px) {
    .quote-form-panel,
    .quote-contact-panel {
        padding: 30px 20px;
    }
}

.form-row-double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 576px) {
    .form-row-double {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.7);
}

.form-field select,
.form-field input,
.form-field textarea {
    padding: 14px 18px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--carbon-white);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    width: 100%;
}

@media (max-width: 576px) {
    .form-field select,
    .form-field input,
    .form-field textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on mobile */
    }
}

.btn-quote-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 32px;
    background: var(--gradient-premium);
    border: none;
    border-radius: 12px;
    color: var(--carbon-black);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.4s ease;
    margin-bottom: 15px;
}

@media (max-width: 576px) {
    .btn-quote-submit {
        padding: 16px 24px;
        font-size: 1rem;
    }
}

.contact-regions {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.region-block {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

@media (max-width: 576px) {
    .region-block {
        gap: 10px;
    }
    
    .region-phone {
        font-size: 1rem;
        word-break: break-all;
    }
}

.contact-email a {
    word-break: break-all;
}

/* ---------- TRUST INDICATORS ---------- */
.trust-indicators {
    padding: 60px 0;
    background: var(--carbon-white);
    border-top: 1px solid #edf2f7;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 0 20px;
}

@media (max-width: 1200px) {
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

@media (max-width: 576px) {
    .trust-item {
        gap: 15px;
    }
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Alert Messages */
.alert {
    padding: 20px;
    margin-bottom: 25px;
    border-radius: 12px;
    position: relative;
    animation: slideDown 0.5s ease-out;
}

@media (max-width: 576px) {
    .alert {
        padding: 15px;
    }
    
    .alert div[style*="display: flex"] {
        flex-direction: column;
        text-align: center;
    }
    
    .alert div[style*="width: 40px"] {
        margin: 0 auto 10px;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes timer {
    0% { width: 100%; }
    100% { width: 0%; }
}

/* Mobile Touch Optimizations */
@media (max-width: 768px) {
    .filter-option,
    .btn-hero-primary,
    .btn-hero-secondary,
    .btn-quote-submit,
    .project-card-luxury,
    .chain-card,
    .commentary-card-luxury,
    .impact-card {
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
    }
    
    .filter-option:active,
    .btn-hero-primary:active,
    .btn-hero-secondary:active,
    .btn-quote-submit:active {
        transform: scale(0.98);
    }
    
    /* Prevent hover effects on mobile */
    .project-card-luxury:hover,
    .chain-card:hover,
    .commentary-card-luxury:hover,
    .impact-card:hover {
        transform: none;
    }
    
    .project-card-luxury:active,
    .chain-card:active,
    .commentary-card-luxury:active,
    .impact-card:active {
        transform: translateY(-4px);
    }
}

/* Container padding for all sections */
.container {
    width: 100%;
    padding-right: 20px;
    padding-left: 20px;
    margin-right: auto;
    margin-left: auto;
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .carbon-hero {
        min-height: 100vh;
        padding: 80px 0 40px;
    }
    
    .hero-title-master .title-line {
        font-size: 2.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-action-group {
        flex-direction: row;
    }
    
    .master-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print styles */
@media print {
    .carbon-hero,
    .carbon-quote-engine,
    .hero-scroll-indicator,
    .btn-hero-primary,
    .btn-hero-secondary {
        display: none;
    }
}