/* ===========================================
   Dataviz Page — Creative Data Visualization Style
   =========================================== */

:root {
    --dataviz-1: #6366f1;
    --dataviz-2: #8b5cf6;
    --dataviz-3: #06b6d4;
    --dataviz-4: #10b981;
    --dataviz-5: #f59e0b;
    --dataviz-bg: color-mix(in srgb, var(--accent) 10%, transparent);
}

[data-theme="dark"] {
    --dataviz-1: #818cf8;
    --dataviz-2: #a78bfa;
    --dataviz-3: #22d3ee;
    --dataviz-4: #34d399;
    --dataviz-5: #fbbf24;
}

/* ===================== BACKGROUND ===================== */
.dataviz-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.dataviz-bg__grid {
    position: absolute;
    inset: 0;
    color: var(--accent);
}

.dataviz-bg__nodes {
    position: absolute;
    inset: 0;
}

.dataviz-bg__nodes::before,
.dataviz-bg__nodes::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--dataviz-1);
    border-radius: 50%;
    animation: nodeFloat 20s infinite linear;
}

.dataviz-bg__nodes::before {
    top: 20%;
    left: 10%;
    box-shadow:
        calc(100vw * 0.3) calc(100vh * 0.1) 0 var(--dataviz-2),
        calc(100vw * 0.5) calc(100vh * 0.3) 0 var(--dataviz-3),
        calc(100vw * 0.7) calc(100vh * 0.15) 0 var(--dataviz-4),
        calc(100vw * 0.2) calc(100vh * 0.5) 0 var(--dataviz-1),
        calc(100vw * 0.8) calc(100vh * 0.4) 0 var(--dataviz-2),
        calc(100vw * 0.4) calc(100vh * 0.7) 0 var(--dataviz-3),
        calc(100vw * 0.6) calc(100vh * 0.6) 0 var(--dataviz-4),
        calc(100vw * 0.9) calc(100vh * 0.7) 0 var(--dataviz-1);
}

.dataviz-bg__nodes::after {
    top: 60%;
    left: 30%;
    animation-delay: -10s;
    box-shadow:
        calc(100vw * 0.15) calc(100vh * 0.2) 0 var(--dataviz-3),
        calc(100vw * 0.45) calc(100vh * 0.1) 0 var(--dataviz-4),
        calc(100vw * 0.65) calc(100vh * 0.35) 0 var(--dataviz-1),
        calc(100vw * 0.25) calc(100vh * 0.6) 0 var(--dataviz-2);
}

@keyframes nodeFloat {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
    25% { transform: translate(10px, -10px) scale(1.2); opacity: 0.6; }
    50% { transform: translate(-5px, 5px) scale(0.8); opacity: 0.3; }
    75% { transform: translate(5px, 10px) scale(1.1); opacity: 0.5; }
}

.dataviz-bg__chart {
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
    filter: blur(80px);
}

.dataviz-bg__chart--1 {
    width: 600px;
    height: 600px;
    background: var(--dataviz-1);
    top: -200px;
    right: -200px;
    animation: pulse 8s ease-in-out infinite;
}

.dataviz-bg__chart--2 {
    width: 400px;
    height: 400px;
    background: var(--dataviz-3);
    bottom: 10%;
    left: -100px;
    animation: pulse 10s ease-in-out infinite reverse;
}

.dataviz-bg__chart--3 {
    width: 300px;
    height: 300px;
    background: var(--dataviz-4);
    top: 50%;
    right: 10%;
    animation: pulse 12s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.05; }
    50% { transform: scale(1.2); opacity: 0.08; }
}

/* ===================== HERO ===================== */
.dataviz-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-24) 0;
    position: relative;
}

.dataviz-hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.dataviz-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--dataviz-bg);
    border: 1px solid color-mix(in srgb, var(--dataviz-1) 30%, transparent);
    border-radius: 100px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--dataviz-1);
    margin-bottom: var(--space-6);
}

.dataviz-hero__badge-icon {
    width: 20px;
    height: 20px;
}

.dataviz-hero__badge-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--dataviz-1);
}

.dataviz-hero__title {
    margin-bottom: var(--space-6);
}

.dataviz-hero__title-line {
    display: block;
    font-size: var(--text-6xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.dataviz-hero__title-line--accent {
    background: linear-gradient(135deg, var(--dataviz-1), var(--dataviz-2), var(--dataviz-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dataviz-hero__desc {
    font-size: var(--text-lg);
    color: var(--text-light);
    line-height: 1.7;
    max-width: 500px;
    margin-bottom: var(--space-10);
}

.dataviz-hero__stats {
    display: flex;
    gap: var(--space-10);
}

.dataviz-stat {
    text-align: left;
}

.dataviz-stat__value {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 800;
    font-family: 'Space Mono', monospace;
    background: linear-gradient(135deg, var(--dataviz-1), var(--dataviz-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.dataviz-stat__label {
    font-size: var(--text-sm);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual */
.dataviz-hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dataviz-chart {
    position: relative;
    width: 300px;
    height: 300px;
}

.dataviz-chart__donut {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.dataviz-chart__segment {
    transition: all 0.5s var(--ease);
    transform-origin: center;
}

.dataviz-chart:hover .dataviz-chart__segment {
    filter: brightness(1.1);
}

.dataviz-chart__center {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dataviz-chart__percent {
    font-size: var(--text-3xl);
    font-weight: 800;
    font-family: 'Space Mono', monospace;
}

.dataviz-chart__label {
    font-size: var(--text-sm);
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===================== GRID ===================== */
.dataviz-section {
    position: relative;
}

.dataviz-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* ===================== CARDS ===================== */
.dataviz-card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--space-4);
    overflow: hidden;
    transition: all 0.4s var(--ease);
    display: flex;
    flex-direction: column;
}

.dataviz-card:hover {
    transform: translateY(-8px);
    border-color: var(--dataviz-1);
    box-shadow:
        0 20px 40px -20px color-mix(in srgb, var(--dataviz-1) 30%, transparent),
        0 0 0 1px var(--dataviz-1);
}

.dataviz-card--featured {
    grid-column: span 2;
    flex-direction: row;
}

.dataviz-card--wide {
    grid-column: span 2;
}

.dataviz-card__visual {
    height: 180px;
    background: linear-gradient(135deg, var(--bg-alt), var(--bg));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.dataviz-card--featured .dataviz-card__visual {
    width: 45%;
    height: auto;
    min-height: 280px;
}

/* Chart Types */
.dataviz-card__chart--bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 100%;
    padding: var(--space-4) 0;
}

.dataviz-card__chart--bars span {
    flex: 1;
    height: var(--height);
    background: linear-gradient(to top, var(--dataviz-1), var(--dataviz-2));
    border-radius: 4px 4px 0 0;
    animation: barGrow 1s ease-out forwards;
    transform-origin: bottom;
    transform: scaleY(0);
}

.dataviz-card:hover .dataviz-card__chart--bars span {
    animation: barPulse 0.5s ease-in-out;
}

@keyframes barGrow {
    to { transform: scaleY(1); }
}

@keyframes barPulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.1); }
}

.dataviz-card__chart--bars span:nth-child(1) { animation-delay: 0.1s; }
.dataviz-card__chart--bars span:nth-child(2) { animation-delay: 0.15s; }
.dataviz-card__chart--bars span:nth-child(3) { animation-delay: 0.2s; }
.dataviz-card__chart--bars span:nth-child(4) { animation-delay: 0.25s; }
.dataviz-card__chart--bars span:nth-child(5) { animation-delay: 0.3s; }
.dataviz-card__chart--bars span:nth-child(6) { animation-delay: 0.35s; }
.dataviz-card__chart--bars span:nth-child(7) { animation-delay: 0.4s; }

.dataviz-card__chart--pie {
    width: 120px;
    height: 120px;
}

.dataviz-card__chart--pie svg {
    width: 100%;
    height: 100%;
}

.dataviz-card__chart--line {
    width: 100%;
    height: 80px;
}

.dataviz-card__chart--line svg {
    width: 100%;
    height: 100%;
}

.dataviz-line {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: lineReveal 1.5s ease-out forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes lineReveal {
    to { stroke-dashoffset: 0; }
}

.dataviz-card__chart--scatter {
    position: relative;
    width: 100%;
    height: 100%;
}

.dataviz-card__chart--scatter span {
    position: absolute;
    left: var(--x);
    top: var(--y);
    width: var(--size);
    height: var(--size);
    background: var(--dataviz-1);
    border-radius: 50%;
    transform: scale(0);
    animation: dotAppear 0.5s ease-out forwards;
}

.dataviz-card__chart--scatter span:nth-child(odd) { background: var(--dataviz-2); }
.dataviz-card__chart--scatter span:nth-child(3n) { background: var(--dataviz-3); }

@keyframes dotAppear {
    to { transform: scale(1); }
}

.dataviz-card__chart--scatter span:nth-child(1) { animation-delay: 0.1s; }
.dataviz-card__chart--scatter span:nth-child(2) { animation-delay: 0.15s; }
.dataviz-card__chart--scatter span:nth-child(3) { animation-delay: 0.2s; }
.dataviz-card__chart--scatter span:nth-child(4) { animation-delay: 0.25s; }
.dataviz-card__chart--scatter span:nth-child(5) { animation-delay: 0.3s; }
.dataviz-card__chart--scatter span:nth-child(6) { animation-delay: 0.35s; }
.dataviz-card__chart--scatter span:nth-child(7) { animation-delay: 0.4s; }
.dataviz-card__chart--scatter span:nth-child(8) { animation-delay: 0.45s; }
.dataviz-card__chart--scatter span:nth-child(9) { animation-delay: 0.5s; }

.dataviz-card__chart--radar {
    width: 120px;
    height: 120px;
}

.dataviz-card__chart--radar svg {
    width: 100%;
    height: 100%;
}

.dataviz-radar {
    transform-origin: center;
    animation: radarPulse 2s ease-in-out infinite;
}

@keyframes radarPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(0.95); }
}

.dataviz-card__chart--heatmap {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.heatmap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    width: 120px;
}

.heatmap-grid span {
    aspect-ratio: 1;
    background: var(--dataviz-4);
    opacity: var(--opacity);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.dataviz-card:hover .heatmap-grid span {
    transform: scale(1.1);
}

/* Card Content */
.dataviz-card__content {
    padding: var(--space-6);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.dataviz-card__platform {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--space-3);
}

.dataviz-card__platform svg {
    width: 16px;
    height: 16px;
}

.dataviz-card__title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-2);
    line-height: 1.3;
}

.dataviz-card__desc {
    font-size: var(--text-sm);
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    flex: 1;
}

.dataviz-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.dataviz-card__tags span {
    font-size: var(--text-xs);
    font-weight: 500;
    padding: var(--space-1) var(--space-3);
    background: var(--dataviz-bg);
    color: var(--dataviz-1);
    border-radius: 100px;
}

.dataviz-card__arrow {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 50%;
    opacity: 0;
    transform: translate(-10px, 10px);
    transition: all 0.3s var(--ease);
}

.dataviz-card__arrow svg {
    width: 18px;
    height: 18px;
    color: var(--dataviz-1);
}

.dataviz-card:hover .dataviz-card__arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===================== TOOLS ===================== */
.dataviz-tools {
    overflow: hidden;
}

.tools-marquee {
    overflow: hidden;
    padding: var(--space-8) 0;
}

.tools-marquee__track {
    display: flex;
    gap: var(--space-4);
    width: max-content;
    animation: toolsScroll 20s linear infinite;
}

.tool-badge {
    padding: var(--space-3) var(--space-6);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: var(--text-base);
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.tool-badge:hover {
    background: var(--dataviz-1);
    border-color: var(--dataviz-1);
    color: white;
}

@keyframes toolsScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ===================== CTA ===================== */
.dataviz-cta {
    background: linear-gradient(135deg, var(--dataviz-1), var(--dataviz-2));
    position: relative;
    overflow: hidden;
}

.dataviz-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.dataviz-cta__content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.dataviz-cta__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-4);
}

.dataviz-cta__desc {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-8);
}

.dataviz-cta .btn--primary {
    background: white;
    color: var(--dataviz-1);
}

.dataviz-cta .btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
    .dataviz-hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

    .dataviz-hero__visual {
        order: -1;
    }

    .dataviz-chart {
        width: 250px;
        height: 250px;
    }

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

    .dataviz-card--featured {
        grid-column: span 2;
        flex-direction: column;
    }

    .dataviz-card--featured .dataviz-card__visual {
        width: 100%;
        min-height: 200px;
    }
}

@media (max-width: 768px) {
    .dataviz-hero {
        padding: var(--space-20) 0 var(--space-12);
    }

    .dataviz-hero__title-line {
        font-size: var(--text-4xl);
    }

    .dataviz-hero__stats {
        gap: var(--space-6);
    }

    .dataviz-stat__value {
        font-size: var(--text-2xl);
    }

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

    .dataviz-card--featured,
    .dataviz-card--wide {
        grid-column: span 1;
    }

    .dataviz-cta__title {
        font-size: var(--text-2xl);
    }
}

@media (max-width: 640px) {
    .dataviz-hero__title-line {
        font-size: var(--text-3xl);
    }

    .dataviz-chart {
        width: 200px;
        height: 200px;
    }

    .dataviz-hero__stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    .dataviz-stat {
        text-align: center;
        flex: 1;
        min-width: 80px;
    }
}