/* ============================================
   ScioSolutions — Dark Minimalist Theme
   ============================================ */

/* --- Custom Properties --- */
:root {
    --bg-primary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #161616;
    --border-subtle: #1e1e1e;
    --border-card: #222222;

    --text-primary: #f0f0f0;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --accent: #1eaadc;
    --accent-blue: #8cd2f0;
    --accent-glow: rgba(30, 170, 220, 0.15);
    --accent-glow-strong: rgba(30, 170, 220, 0.3);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --nav-height: 72px;
    --section-padding: 120px 0;
    --container-width: 1100px;
    --container-padding: 0 24px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* --- Utility --- */
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
}

/* --- Fade-in Animation --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: opacity 0.2s;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo-icon {
    height: 32px;
    width: auto;
}

.nav-logo-text {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
    letter-spacing: 0.02em;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-dashboard-link {
    color: var(--accent) !important;
    font-weight: 600 !important;
}

.nav-dashboard-link:hover {
    color: var(--accent-blue) !important;
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

/* Animated grid background */
.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(30, 170, 220, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 170, 220, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* Radial glow behind headline */
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30, 170, 220, 0.08) 0%, rgba(140, 210, 240, 0.04) 40%, transparent 70%);
    pointer-events: none;
    animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--bg-primary);
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(30, 170, 220, 0.25);
}

.cta-button:active {
    transform: translateY(0);
}

/* ============================================
   Credibility Stats Bar
   ============================================ */
.stats-bar {
    padding: 60px 0;
    position: relative;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.stat-value {
    display: flex;
    align-items: baseline;
}

.stat-number,
.stat-suffix {
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-number {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.stat-suffix {
    font-size: clamp(2.2rem, 4.5vw, 3rem);
}

.stat-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--section-padding);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 16px;
    padding: 40px 32px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.service-card:hover {
    border-color: rgba(30, 170, 220, 0.3);
    box-shadow: 0 0 40px var(--accent-glow);
    background-color: var(--bg-card-hover);
}

.service-icon {
    color: var(--accent);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   Domain Expertise Section
   ============================================ */
.domain-expertise {
    padding: var(--section-padding);
    position: relative;
}

.domain-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

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

.domain-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 12px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.domain-card:hover {
    border-color: rgba(30, 170, 220, 0.3);
    box-shadow: 0 0 30px var(--accent-glow);
}

.domain-icon {
    flex-shrink: 0;
    color: var(--accent);
    margin-top: 2px;
}

.domain-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

.domain-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ============================================
   Data Lineage DAG Section
   ============================================ */
.lineage-dag {
    padding: var(--section-padding);
    position: relative;
}

.lineage-dag::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.lineage-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.dag-container {
    position: relative;
    min-height: 500px;
    width: 100%;
    overflow: hidden;
}

.dag-columns {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
}

.dag-column-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

.dag-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.dag-nodes {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.dag-node {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    padding: 6px 14px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: default;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    transform: translate(-50%, -50%);
    user-select: none;
}

.dag-node:hover,
.dag-node.dag-node-active {
    border-color: rgba(30, 170, 220, 0.5);
    box-shadow: 0 0 20px var(--accent-glow);
    color: var(--text-primary);
}

.dag-node.dag-node-faded {
    opacity: 0.25;
}

.dag-tooltip {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 10;
    max-width: 250px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    line-height: 1.5;
}

.dag-tooltip.visible {
    opacity: 1;
}

/* ============================================
   Data Transformation Section
   ============================================ */
.data-transform {
    padding: var(--section-padding);
    position: relative;
}

.data-transform::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.transform-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.transform-panels {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.transform-panel {
    flex: 1;
    background: #0d0d0d;
    border: 1px solid var(--border-card);
    border-radius: 12px;
    overflow: hidden;
    min-width: 0;
}

.transform-panel.transforming {
    filter: blur(1px);
    opacity: 0.6;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: #141414;
    border-bottom: 1px solid var(--border-subtle);
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.8rem;
}

.panel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.panel-dot-red { background: #ff5f56; }
.panel-dot-yellow { background: #ffbd2e; }
.panel-dot-green { background: #27c93f; }

.panel-title {
    color: var(--text-muted);
    flex: 1;
    margin-left: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.panel-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.panel-badge-warn {
    background: rgba(255, 107, 107, 0.15);
    color: #ff6b6b;
}

.panel-badge-ok {
    background: rgba(30, 170, 220, 0.15);
    color: var(--accent);
}

.panel-table-wrapper {
    padding: 12px;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #333 transparent;
}

.panel-table-wrapper::-webkit-scrollbar {
    height: 4px;
}

.panel-table-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.panel-table-wrapper::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 2px;
}

/* Transform arrow / canvas area */
.transform-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    flex-shrink: 0;
    position: relative;
}

.transform-arrow-icon {
    color: var(--accent);
    opacity: 0.5;
    z-index: 1;
    position: relative;
}

.transform-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Raw & clean table shared styles */
.transform-table {
    width: 100%;
    border-collapse: collapse;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
}

.transform-table th,
.transform-table td {
    text-align: left;
}

.transform-table th {
    white-space: nowrap;
}

/* Raw table cells */
.raw-cell {
    padding: 8px 10px;
    color: var(--text-secondary);
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: top;
}

.raw-header {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-card);
}

.raw-cell.issue {
    background: rgba(255, 107, 107, 0.05);
}

.raw-cell.issue.issue-highlight {
    background: rgba(255, 107, 107, 0.12);
    border-left: 2px solid rgba(255, 107, 107, 0.4);
    animation: issueFlash 0.5s ease;
}

.empty-cell {
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.5;
}

.cell-value {
    white-space: nowrap;
}

/* Issue labels */
.issue-label {
    display: block;
    font-size: 0.5rem;
    color: rgba(255, 107, 107, 0.7);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    margin-top: 2px;
    letter-spacing: 0.02em;
}

.issue-label.visible {
    opacity: 1;
}

/* Clean table styles */
.clean-table-block {
    margin-bottom: 16px;
}

.clean-table-block:last-child {
    margin-bottom: 0;
}

.clean-table-name {
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.65rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.clean-cell {
    padding: 5px 10px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
}

.clean-header {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-card);
}

.clean-row {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.null-handled {
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.6;
}

/* Checkmark on clean rows */
.row-check-cell {
    padding: 5px 6px;
    border-bottom: 1px solid var(--border-subtle);
}

.row-check {
    color: var(--accent);
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.row-check.visible {
    opacity: 1;
}

/* Counter text below panels */
.transform-counter {
    text-align: center;
    margin-top: 28px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.transform-counter.visible {
    opacity: 1;
}

/* Keyframes for transformation */
@keyframes issueFlash {
    0% { background: rgba(255, 107, 107, 0.05); }
    50% { background: rgba(255, 107, 107, 0.25); }
    100% { background: rgba(255, 107, 107, 0.12); }
}

/* ============================================
   Technologies Section
   ============================================ */
.technologies {
    padding: var(--section-padding);
    position: relative;
}

.technologies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.tech-category {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tech-category-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-subtle);
}

.tech-category-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.tech-item:hover {
    background-color: var(--bg-card);
}

.tech-item:hover .tech-icon {
    color: var(--accent);
    border-color: rgba(30, 170, 220, 0.3);
    box-shadow: 0 0 24px var(--accent-glow);
}

.tech-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tech-icon svg {
    width: 22px;
    height: 22px;
}

.tech-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.tech-item:hover .tech-name {
    color: var(--text-primary);
}

/* ============================================
   Git Graph Visualization
   ============================================ */
.git-graph {
    position: relative;
    height: 280px;
    overflow: hidden;
}


.git-graph-container {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Gradient fade at left and right edges */
.git-graph-container::before,
.git-graph-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 1;
    pointer-events: none;
}

.git-graph-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-primary), transparent);
}

.git-graph-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-primary), transparent);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--section-padding);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.contact .contact-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 48px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow-strong);
}

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

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-submit {
    align-self: flex-start;
}

.contact-direct {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px;
    text-align: center;
}

.contact-direct-label {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: opacity 0.2s;
    letter-spacing: -0.01em;
}

.contact-email:hover {
    opacity: 0.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   Hero Grid Glow (Mouse-Reactive)
   ============================================ */
.hero-grid-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: radial-gradient(
        circle 130px at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(30, 170, 220, 0.08) 0%,
        transparent 100%
    );
    z-index: 0;
}

/* ============================================
   Interactive SQL Terminal Section
   ============================================ */
.sql-terminal-section {
    padding: var(--section-padding);
    position: relative;
}

.sql-terminal-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-card), transparent);
}

.sql-section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-muted);
    letter-spacing: -0.01em;
}

.interactive-terminal {
    max-width: 780px;
    margin: 0 auto;
    background: #0d0d0d;
    border: 1px solid var(--border-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.4);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    background: #141414;
    border-bottom: 1px solid var(--border-subtle);
}

.sql-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.sql-dot-red { background: #ff5f56; }
.sql-dot-yellow { background: #ffbd2e; }
.sql-dot-green { background: #27c93f; }

.terminal-title {
    margin-left: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

.interactive-terminal-body {
    padding: 20px 24px;
    min-height: 320px;
    cursor: text;
    outline: none;
}

.terminal-output {
    max-height: 400px;
    overflow-y: auto;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    scrollbar-width: thin;
    scrollbar-color: #333 transparent;
}

.terminal-output::-webkit-scrollbar {
    width: 6px;
}

.terminal-output::-webkit-scrollbar-track {
    background: transparent;
}

.terminal-output::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 3px;
}

.terminal-output-line {
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.terminal-output-line.output-error {
    color: #ff6b6b;
}

.terminal-output-line.output-success {
    color: var(--text-secondary);
}

.terminal-output-line.output-info {
    color: var(--text-muted);
}

.terminal-output-line.output-command {
    color: var(--text-secondary);
}

.terminal-prompt-echo {
    color: var(--accent);
    font-weight: 700;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 0;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    margin-top: 4px;
}

.terminal-prompt {
    color: var(--accent);
    font-weight: 700;
    white-space: nowrap;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
}

.terminal-input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.terminal-input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    caret-color: var(--accent);
    padding: 0;
    line-height: 1.6;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: var(--accent);
    animation: cursorBlink 0.8s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 1px;
    flex-shrink: 0;
}

.terminal-cursor-demo {
    display: inline-block;
    width: 8px;
    height: 1.1em;
    background: var(--accent);
    animation: cursorBlink 0.8s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 1px;
}

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

.sql-keyword {
    color: var(--accent);
    font-weight: 600;
}

.sql-string {
    color: #a5d6a7;
}

.sql-number {
    color: #ffcc02;
}

.demo-typing {
    color: var(--text-secondary);
}

/* Query Plan Visualizer */
.terminal-plan-container {
    margin: 8px 0 12px 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: #333 transparent;
}

.terminal-plan-container::-webkit-scrollbar {
    height: 4px;
}

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

.terminal-plan-container::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 2px;
}

.terminal-plan-canvas {
    display: block;
}

/* ============================================
   Constellation Canvas (Contact)
   ============================================ */
.constellation-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Data Waterfall Canvas (Technologies)
   ============================================ */
.waterfall-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   Tech Connections SVG
   ============================================ */
.tech-connections-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.tech-connection-line {
    transition: stroke-dashoffset 0.5s ease, opacity 0.3s ease;
}

.tech-item-connected .tech-icon {
    color: var(--accent);
    border-color: rgba(30, 170, 220, 0.3);
    box-shadow: 0 0 20px var(--accent-glow);
}

.tech-item-connected .tech-name {
    color: var(--text-primary);
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-grid-bg,
    .hero-glow {
        animation: none;
    }

    .sql-cursor,
    .terminal-cursor,
    .terminal-cursor-demo {
        animation: none;
    }

    .cta-button {
        transition: none;
    }

    .service-card,
    .domain-card,
    .tech-item,
    .tech-icon,
    .tech-name,
    .dag-node,
    .transform-panel,
    .clean-row,
    .row-check,
    .issue-label,
    .transform-counter {
        transition: none;
    }

    .raw-cell.issue.issue-highlight {
        animation: none;
    }
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet and below */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
        --nav-height: 64px;
    }

    /* Mobile nav */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 20px 0;
        border-bottom: 1px solid var(--border-subtle);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        display: block;
        padding: 16px 24px;
        font-size: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 24px;
    }

    /* Services grid → single column */
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .service-card {
        padding: 32px 24px;
    }

    /* DAG responsive */
    .dag-container {
        min-height: 700px;
    }

    .dag-node {
        font-size: 0.7rem;
        padding: 5px 10px;
    }

    .section-title {
        margin-bottom: 40px;
    }

    .git-graph {
        height: 180px;
    }

    /* Interactive terminal responsive */
    .interactive-terminal-body {
        padding: 16px;
        min-height: 260px;
    }

    .terminal-output {
        font-size: 0.75rem;
        max-height: 300px;
    }

    .terminal-input {
        font-size: 16px; /* Prevent iOS zoom */
    }

    .terminal-prompt {
        font-size: 0.75rem;
    }

    /* Transform panels → stacked */
    .transform-panels {
        flex-direction: column;
        gap: 0;
    }

    .transform-arrow {
        width: auto;
        height: 40px;
        flex-shrink: 0;
    }

    .transform-arrow-icon {
        transform: rotate(90deg);
    }

    .transform-table {
        font-size: 0.65rem;
    }

    .raw-cell,
    .clean-cell {
        padding: 4px 6px;
    }

    .raw-header,
    .clean-header {
        font-size: 0.6rem;
    }

    .issue-label {
        font-size: 0.5rem;
    }

    .transform-counter {
        font-size: 0.75rem;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 24px;
    }

    .nav-logo-icon {
        height: 26px;
    }

    .nav-logo-text {
        font-size: 0.95rem;
        letter-spacing: 0.12em;
    }

    /* Contact form → single column */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-direct {
        padding: 24px 0;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .cta-button {
        padding: 12px 28px;
        font-size: 0.95rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 16px;
    }

    .tech-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .nav-logo-icon {
        height: 24px;
    }

    .nav-logo-text {
        font-size: 0.85rem;
        letter-spacing: 0.1em;
    }

    .interactive-terminal {
        max-width: 100%;
    }

    .panel-header {
        padding: 8px 12px;
        font-size: 0.7rem;
    }

    .panel-table-wrapper {
        padding: 8px;
    }

    .transform-table {
        font-size: 0.6rem;
    }
}