/* ============================================================================
   SUPPLYCHAIN.REPORT - COMPREHENSIVE STYLESHEET
   Contemporary Professional + Editorial + Data Design System
   ============================================================================ */

/* VARIABLES & TOKENS */
:root {
    /* Typography Scale */
    --font-serif: 'Playfair Display', serif;
    --font-body: 'Lora', serif;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Color Palette */
    --color-navy: #0f1419;
    --color-offwhite: #f5f5f0;
    --color-steel-blue: #1a2a3a;
    --color-soft-slate: #8a94a6;
    --color-emerald: #2d9d78;
    --color-copper: #d4724a;
    --color-rose: #d47a9a;
    --color-teal: #4a9b9e;
    --color-divider: #dfe2e7;

    /* Spacing & Layout */
    --spacing-unit: 16px;
    --spacing-xs: calc(var(--spacing-unit) * 0.25);
    --spacing-sm: calc(var(--spacing-unit) * 0.5);
    --spacing-md: var(--spacing-unit);
    --spacing-lg: calc(var(--spacing-unit) * 2);
    --spacing-xl: calc(var(--spacing-unit) * 3);
    --spacing-2xl: calc(var(--spacing-unit) * 4);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(15, 20, 25, 0.04);
    --shadow-md: 0 8px 24px rgba(15, 20, 25, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 20, 25, 0.12);

    /* Transitions */
    --transition-fast: 200ms ease-out;
    --transition-base: 300ms ease-out;
    --transition-slow: 600ms ease-out;
}

/* GLOBAL STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-offwhite);
    color: var(--color-navy);
    line-height: 1.7;
    font-size: clamp(1rem, 1.1vw, 1.15rem);
    overflow-x: hidden;
}

/* LAYOUT STRUCTURE */
.main-content {
    margin-right: 28vw;
    padding: var(--spacing-2xl);
}

.data-sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 25vw;
    height: 100vh;
    background-color: var(--color-steel-blue);
    color: var(--color-offwhite);
    overflow-y: auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    box-shadow: -2px 0 12px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.sidebar-header {
    font-family: var(--font-sans);
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-soft-slate);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.update-time {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-soft-slate);
}

/* METRIC CARDS */
.metric-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: all var(--transition-base);
}

.metric-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.metric-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-soft-slate);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.metric-value {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    color: var(--color-offwhite);
    margin-bottom: var(--spacing-xs);
}

.metric-unit {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-soft-slate);
}

.metric-change {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.metric-change.positive {
    color: var(--color-emerald);
}

.metric-change.negative {
    color: var(--color-copper);
}

.metric-primary {
    border-left: 4px solid var(--color-teal);
}

.metric-success {
    border-left: 4px solid var(--color-emerald);
}

.metric-alert {
    border-left: 4px solid var(--color-copper);
}

.metric-warning {
    border-left: 4px solid var(--color-rose);
}

/* HERO SECTION */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    min-height: 60vh;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(45, 157, 120, 0.04) 0%, rgba(74, 155, 158, 0.04) 100%);
    border-radius: 12px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-navy);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--color-soft-slate);
    letter-spacing: 0.06em;
}

.hero-metric {
    background: var(--color-offwhite);
    border: 2px solid var(--color-divider);
    border-radius: 12px;
    padding: var(--spacing-xl);
    text-align: center;
}

.featured-number {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 700;
    color: var(--color-teal);
    margin-bottom: var(--spacing-sm);
}

.featured-label {
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.featured-subtext {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-soft-slate);
    margin-bottom: var(--spacing-sm);
}

.featured-trend {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-emerald);
}

/* EDITORIAL BLOCKS */
.editorial-block {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-2xl);
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), transparent);
    border-bottom: 1px solid var(--color-divider);
    opacity: 0;
    transform: translateY(12px);
    animation: editorialFadeIn var(--transition-slow) ease-out forwards;
}

@keyframes editorialFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.editorial-block h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.8rem);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-navy);
    line-height: 1.2;
}

.editorial-block p {
    margin-bottom: var(--spacing-lg);
    color: var(--color-navy);
    line-height: 1.8;
}

.editorial-block p:last-child {
    margin-bottom: 0;
}

.cta-text {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-divider);
    border-left: 4px solid var(--color-rose);
    border-radius: 4px;
    font-style: italic;
    color: var(--color-navy);
}

/* SECTION TITLES */
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 700;
    margin: var(--spacing-2xl) 0 var(--spacing-lg) 0;
    color: var(--color-navy);
    line-height: 1.2;
}

/* HORIZONTAL SCROLL REGION */
.horizontal-scroll-region {
    margin: var(--spacing-2xl) 0;
}

.scroll-container {
    display: flex;
    gap: var(--spacing-lg);
    overflow-x: auto;
    padding: var(--spacing-lg) 0;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-divider) transparent;
}

.scroll-container::-webkit-scrollbar {
    height: 6px;
}

.scroll-container::-webkit-scrollbar-track {
    background: transparent;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: var(--color-divider);
    border-radius: 3px;
}

.scroll-card {
    flex: 0 0 clamp(300px, 40vw, 420px);
    background: var(--color-offwhite);
    border: 1px solid var(--color-divider);
    border-radius: 8px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    transition: all var(--transition-base);
    opacity: 0.8;
    transform: scale(0.96);
}

.scroll-card:hover {
    opacity: 1;
    transform: scale(1);
    border-color: var(--color-teal);
    box-shadow: var(--shadow-md);
}

.card-header {
    font-family: var(--font-sans);
    font-size: clamp(0.95rem, 1.3vw, 1.1rem);
    font-weight: 600;
    color: var(--color-navy);
}

.card-chart {
    font-size: 2.5rem;
    opacity: 0.6;
}

.card-metric {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-soft-slate);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.card-detail {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-navy);
    line-height: 1.5;
}

/* REGIONAL GRID */
.regional-grid-section {
    margin: var(--spacing-2xl) 0;
}

.regional-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.region-card {
    background: var(--color-offwhite);
    border: 1px solid var(--color-divider);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.region-card:hover {
    transform: scale(1.04);
    border-color: var(--color-teal);
    box-shadow: var(--shadow-md);
}

.region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-divider);
}

.region-header h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin: 0;
}

.health-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.health-indicator.positive {
    background-color: var(--color-teal);
}

.health-indicator.success {
    background-color: var(--color-emerald);
}

.health-indicator.warning {
    background-color: var(--color-copper);
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.region-metric {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.region-trend {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-emerald);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.region-status {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-soft-slate);
}

/* TIMELINE */
.timeline-section {
    margin: var(--spacing-2xl) 0;
}

.timeline {
    position: relative;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-lg);
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0;
    animation: timelineReveal var(--transition-slow) ease-out forwards;
}

@keyframes timelineReveal {
    to {
        opacity: 1;
    }
}

.timeline-item:nth-child(1) { animation-delay: 0ms; }
.timeline-item:nth-child(2) { animation-delay: 100ms; }
.timeline-item:nth-child(3) { animation-delay: 200ms; }
.timeline-item:nth-child(4) { animation-delay: 300ms; }

.timeline-marker {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    flex-shrink: 0;
    border: 2px solid currentColor;
    position: relative;
}

.marker-alert {
    color: var(--color-copper);
    background: rgba(212, 114, 74, 0.1);
}

.marker-success {
    color: var(--color-emerald);
    background: rgba(45, 157, 120, 0.1);
}

.marker-warning {
    color: var(--color-rose);
    background: rgba(212, 122, 154, 0.1);
}

.marker-info {
    color: var(--color-teal);
    background: rgba(74, 155, 158, 0.1);
}

.timeline-content {
    padding: var(--spacing-lg);
    background: var(--color-offwhite);
    border: 1px solid var(--color-divider);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.timeline-item:hover .timeline-content {
    border-color: var(--color-teal);
    box-shadow: var(--shadow-md);
}

.timeline-date {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    color: var(--color-soft-slate);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: var(--spacing-xs);
}

.timeline-detail {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-navy);
    line-height: 1.6;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .main-content {
        margin-right: 0;
        padding: var(--spacing-lg);
    }

    .data-sidebar {
        position: static;
        width: 100%;
        height: auto;
        border-bottom: 2px solid var(--color-divider);
        box-shadow: none;
    }

    .hero-section {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: var(--spacing-lg);
    }

    .scroll-card {
        flex: 0 0 clamp(280px, 80vw, 380px);
    }

    .regional-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-unit: 12px;
    }

    .sidebar-header {
        font-size: 0.75rem;
    }

    .metric-value {
        font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    }

    .hero-title {
        font-size: clamp(1.8rem, 4vw, 2.8rem);
    }

    .section-title {
        font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    }

    .editorial-block {
        padding: var(--spacing-lg);
    }

    .editorial-block h2 {
        font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    }

    .scroll-card {
        flex: 0 0 clamp(250px, 90vw, 350px);
    }

    .regional-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 50px 1fr;
        gap: var(--spacing-md);
    }

    .timeline-marker {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

/* SCROLL ANIMATION CLASSES */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-base);
}

/* ACCESSIBILITY */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* PRINT STYLES */
@media print {
    .data-sidebar {
        display: none;
    }

    .main-content {
        margin-right: 0;
    }

    body {
        background: white;
    }
}