/* ROOT VARIABLES & RESET */
:root {
    --bg-dark: #0f1115;
    --bg-card: #161b22;
    --bg-card-hover: #1c2128;
    --text-main: #e6edf3;
    --text-muted: #8b949e;

    /* Dex Module Accents (Cyan/Teal) */
    --accent-dex: #06b6d4;
    --accent-glow: rgba(6, 182, 212, 0.15);
    --secondary-accent: #f472b6;
    /* Pink for audio viz contrast */

    --border-color: #30363d;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* BACKGROUND ACCENTS */
.page-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    background:
        radial-gradient(circle at 20% 20%, var(--accent-glow) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(244, 114, 182, 0.08) 0%, transparent 30%);
}

.docs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* NAVIGATION HEADER */
.page-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: color 0.2s;
}

.back-btn:hover {
    color: var(--text-main);
}

.nav-breadcrumbs {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.crumb-current {
    color: var(--accent-dex);
    font-weight: 600;
}

.crumb-sep {
    margin: 0 0.5rem;
    opacity: 0.5;
}

/* HERO SECTION */
.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 4rem;
    margin-bottom: 6rem;
}


.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #67e8f9);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 550px;
    margin-bottom: 2rem;
}

.tech-stack-pills {
    display: flex;
    gap: 0.75rem;
}

.pill {
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
}

/* Hero Visual (Abstract Desktop) */
.hero-visual-dex {
    position: relative;
    width: 400px;
    height: 250px;
}

.screen-frame {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(22, 27, 34, 0.9), rgba(6, 182, 212, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.taskbar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 30px;
    background: rgba(6, 182, 212, 0.2);
    backdrop-filter: blur(5px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.window-1 {
    position: absolute;
    top: 30px;
    left: 40px;
    width: 180px;
    height: 120px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.window-2 {
    position: absolute;
    top: 60px;
    right: 50px;
    width: 140px;
    height: 100px;
    background: rgba(45, 55, 72, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    box-shadow: -5px 10px 20px rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/* VERTICAL PIPELINE VISUALIZER */
.workflow-container {
    margin-bottom: 5rem;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 700;
}

.vertical-pipeline {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.v-step {
    position: relative;
}

.v-marker {
    position: absolute;
    left: -2.6rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--bg-dark);
    border: 3px solid var(--accent-dex);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-glow);
    z-index: 2;
}

.v-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s;
}

.v-content:hover {
    border-color: var(--accent-dex);
}

.step-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.step-num {
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--accent-dex);
    opacity: 0.8;
    font-family: var(--font-mono);
}

.step-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-main);
}

.v-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Mini Code Block */
.code-block-mini {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow-x: auto;
}

.code-block-mini code {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #a5d6ff;
    white-space: nowrap;
}

/* Data Badges */
.data-badge-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.d-badge {
    font-size: 0.8rem;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-dex);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

/* FEATURES GRID */
.features-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s;
}

.feature-card:hover {
    border-color: var(--text-muted);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.icon-box {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* Audio Card Specific */
.audio-card {
    border-color: rgba(244, 114, 182, 0.3);
    background: linear-gradient(145deg, rgba(22, 27, 34, 1), rgba(244, 114, 182, 0.05));
}

.audio-viz {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 60px;
    margin: 2rem 0;
    justify-content: center;
}

.audio-viz .bar {
    width: 8px;
    background: var(--secondary-accent);
    border-radius: 4px;
    animation: viz 1.2s infinite ease-in-out;
}

.audio-viz .bar:nth-child(1) {
    height: 30%;
    animation-delay: 0.1s;
}

.audio-viz .bar:nth-child(2) {
    height: 60%;
    animation-delay: 0.2s;
}

.audio-viz .bar:nth-child(3) {
    height: 80%;
    animation-delay: 0.3s;
}

.audio-viz .bar:nth-child(4) {
    height: 50%;
    animation-delay: 0.1s;
}

.audio-viz .bar:nth-child(5) {
    height: 90%;
    animation-delay: 0.4s;
}

.audio-viz .bar:nth-child(6) {
    height: 40%;
    animation-delay: 0.2s;
}

.audio-viz .bar:nth-child(7) {
    height: 70%;
    animation-delay: 0.5s;
}

.audio-viz .bar:nth-child(8) {
    height: 30%;
    animation-delay: 0.1s;
}

@keyframes viz {

    0%,
    100% {
        opacity: 0.5;
        transform: scaleY(1);
    }

    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

.feature-list {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.feature-list li {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.feature-list li::before {
    content: "•";
    color: var(--secondary-accent);
    margin-right: 0.5rem;
}

/* Code Snippet Card */
.code-snippet-card {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-align: center;
    border: 1px dashed var(--border-color);
}

/* SPECIFICATION GRID (New) */
.spec-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.spec-table th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 500;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.spec-table td {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.spec-table td strong {
    color: var(--accent-dex);
}

.arg-pill {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #a5d6ff;
}

/* Input Map Card */
.input-map {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.key-combo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    font-size: 0.9rem;
}

.k-box {
    background: #21262d;
    border: 1px solid #30363d;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-weight: 600;
    box-shadow: 0 2px 0 #0d1117;
}

.arrow {
    color: var(--text-muted);
    margin: 0 0.2rem;
}

.action {
    color: var(--text-main);
    font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero-section {
        flex-direction: column;
        text-align: center;
    }

    .process-pipeline {
        flex-direction: column;
        gap: 3rem;
    }

    .connector {
        width: 2px;
        height: 40px;
        top: 100%;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        background: linear-gradient(180deg, transparent, var(--border-color), transparent);
    }

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

    .hero-visual-dex {
        display: none;
    }
}