/* ==========================================================================
   briefloop.ai - Design Stylesheet (70% Light Enterprise Shell + 30% Dark Cockpit)
   Theme: High-End Trustworthy Enterprise B2B SaaS
   ========================================================================== */

/* --- CSS Variables & Tokens --- */
:root {
    --bg-main: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --border-color: rgba(15, 23, 42, 0.08);
    
    /* Brand Colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-success: #10b981;
    --color-success-bg: rgba(16, 185, 129, 0.06);
    --color-warning: #f97316;
    --color-warning-bg: rgba(249, 115, 22, 0.06);
    --color-error: #ef4444;
    --color-error-bg: rgba(239, 68, 68, 0.06);
    
    /* Text Colors */
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-dark: #0f172a;
    
    /* Font Families (System Font Stack - No Remote Fonts Required) */
    --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

/* --- Base Resets & Document Structure --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

/* Light Background Ambient Glows */
body::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.03) 0%, rgba(248, 250, 252, 0) 70%);
    pointer-events: none;
    z-index: -1;
}

body::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.02) 0%, rgba(248, 250, 252, 0) 70%);
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography Utility */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.25;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--color-primary-hover);
}

.text-center { text-align: center; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.hidden { display: none !important; }

/* Grid Layout System */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
}

@media (max-width: 992px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* --- Buttons & UI Elements --- */
.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    padding: 14px 28px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.btn-secondary:hover {
    border-color: var(--text-main);
    background-color: rgba(15, 23, 42, 0.02);
    color: var(--text-main);
}

.text-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Header Section --- */
.app-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.highlight-dot {
    color: var(--color-success);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 15px;
}

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

.lang-switch {
    border: 1px solid rgba(15, 23, 42, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 13px !important;
    transition: all 0.2s ease;
}

.lang-switch:hover {
    background-color: rgba(15, 23, 42, 0.05);
    border-color: var(--text-main);
}

.btn-github {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(15, 23, 42, 0.03);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    color: var(--text-main);
    font-weight: 500;
    font-size: 14px;
    transition: background-color 0.2s ease;
}

.btn-github:hover {
    background-color: rgba(15, 23, 42, 0.08);
    color: var(--text-main);
}

/* Hide header links on mobile to prevent overflow */
@media (max-width: 768px) {
    .nav-links {
        display: none !important;
    }
}

/* --- Hero Section --- */
.hero-section {
    padding: 80px 0;
    position: relative;
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.badge-new {
    display: inline-block;
    background-color: rgba(37, 99, 235, 0.06);
    color: var(--color-primary);
    border: 1px solid rgba(37, 99, 235, 0.1);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 36px;
    line-height: 1.65;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* --- Hero Visual Card (DARK Audit Cockpit) --- */
.hero-visual {
    width: 100%;
    margin-top: 10px;
}

.visual-card {
    background-color: #0b1020;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
    position: relative;
    padding: 20px;
    overflow: hidden;
    color: #f8fafc;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 12px;
    margin-bottom: 20px;
}

.card-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.card-dot.red { background-color: #ef4444; }
.card-dot.yellow { background-color: #f59e0b; }
.card-dot.green { background-color: #10b981; }

.card-title {
    font-family: var(--font-heading);
    font-size: 13px;
    color: #94a3b8;
    margin-left: 10px;
    font-weight: 500;
}

.visual-panels {
    display: grid;
    grid-template-columns: 1fr 1.1fr 1fr;
    gap: 20px;
    position: relative;
    z-index: 2;
}

@media (max-width: 900px) {
    .visual-panels {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.panel {
    background-color: rgba(7, 9, 19, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 16px;
    position: relative;
    transition: border-color 0.3s ease;
}

.panel-tag {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tag-display {
    background-color: rgba(37, 99, 235, 0.15);
    color: #58a6ff;
}

.tag-authority {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.tag-source {
    background-color: rgba(249, 115, 22, 0.15);
    color: var(--color-warning);
}

.doc-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ffffff;
}

.doc-text {
    font-size: 13px;
    color: #94a3b8;
    line-height: 1.65;
}

/* Highlights */
.highlight-node {
    padding: 2px 4px;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.green-glow {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
    border: 1px dashed rgba(16, 185, 129, 0.4);
    cursor: pointer;
}

.green-glow.active, .green-glow:hover {
    background-color: rgba(16, 185, 129, 0.3);
    border-style: solid;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.orange-glow {
    background-color: rgba(249, 115, 22, 0.15);
    color: var(--color-warning);
    border: 1px dashed rgba(249, 115, 22, 0.4);
}

.orange-glow.active {
    background-color: rgba(249, 115, 22, 0.3);
    border-style: solid;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.4);
}

/* Ledger Item */
.ledger-card {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 12px;
    transition: all 0.3s ease;
}

.ledger-card.active {
    border-color: rgba(16, 185, 129, 0.6);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.2);
}

.ledger-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.ledger-id {
    font-size: 12px;
    font-weight: 700;
    color: #58a6ff;
}

.status-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
}

.status-badge.green {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.ledger-json {
    font-size: 11px;
    font-family: var(--font-mono);
    color: #8da1b9;
    overflow-x: auto;
}

.pdf-viewer {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 10px;
}

.pdf-text {
    font-size: 12px;
    color: #cbd5e1;
    line-height: 1.5;
    margin-bottom: 8px;
}

.pdf-footer {
    font-size: 10px;
    color: #64748b;
    text-align: right;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 4px;
}

/* Glow lines overlay */
.glow-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

@media (max-width: 900px) {
    .glow-lines {
        display: none;
    }
}

/* --- Section Contrast --- */
.section-contrast {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-desc {
    color: var(--text-muted);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto;
}

.contrast-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
}

.contrast-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.contrast-icon {
    font-size: 32px;
    margin-bottom: 20px;
}

.contrast-card.bad {
    border-left: 4px solid var(--color-error);
}

.contrast-card.good {
    border-left: 4px solid var(--color-success);
    background-color: rgba(16, 185, 129, 0.005);
}

.contrast-card h3 {
    font-size: 20px;
    margin-bottom: 24px;
    color: var(--text-main);
}

.contrast-card ul {
    list-style: none;
}

.contrast-card li {
    font-size: 14px;
    color: var(--text-main);
    margin-bottom: 16px;
    position: relative;
    padding-left: 20px;
}

.contrast-card li::before {
    content: '•';
    position: absolute;
    left: 0;
}

.contrast-card.bad li::before {
    color: var(--color-error);
}

.contrast-card.good li::before {
    color: var(--color-success);
}

/* --- Section Buyer Usecases --- */
.section-usecases {
    padding: 100px 0;
    background-color: #f1f5f9;
    border-top: 1px solid var(--border-color);
}

.usecase-item {
    display: flex;
    gap: 20px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.01);
}

.usecase-item:hover {
    border-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.03);
}

.usecase-icon {
    font-size: 32px;
    line-height: 1;
}

.usecase-detail h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--text-main);
}

.usecase-problem {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.usecase-problem strong {
    color: var(--color-error);
}

.usecase-solution {
    font-size: 13.5px;
    color: var(--text-main);
}

.usecase-solution strong {
    color: var(--color-success);
}

/* --- Section Artifacts & Boundaries --- */
.section-artifacts {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

.artifacts-list-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.artifacts-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.artifact-card-small {
    background-color: var(--bg-surface);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    padding: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.artifact-card-small:hover {
    border-color: var(--color-success);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.04);
}

.artifact-card-small h4 {
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--text-main);
}

.artifact-card-small p {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Responsibility Boundary Styles */
.boundary-box {
    background-color: rgba(239, 68, 68, 0.01);
    border: 1px solid rgba(239, 68, 68, 0.12);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.boundary-badge {
    align-self: flex-start;
    background-color: rgba(239, 68, 68, 0.08);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.boundary-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.boundary-content > p {
    font-size: 14px;
    color: var(--text-main);
    line-height: 1.6;
}

.boundary-metric {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.boundary-metric.highlight {
    border-color: rgba(16, 185, 129, 0.2);
    background-color: rgba(16, 185, 129, 0.02);
}

.boundary-metric .m-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
}

.boundary-metric.highlight .m-title {
    color: var(--color-success);
}

.boundary-metric .m-desc {
    font-size: 12px;
    color: var(--text-muted);
}

.boundary-metric.highlight .m-desc {
    color: var(--text-main);
}

.boundary-quote {
    border-left: 3px solid var(--color-warning);
    padding-left: 16px;
    font-style: italic;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 10px;
}

/* --- Section Sandbox (LIGHT Container + DARK Cockpit App) --- */
.section-sandbox {
    padding: 100px 0;
    background-color: #f1f5f9;
    border-top: 1px solid var(--border-color);
}

.badge-demo {
    display: inline-block;
    background-color: rgba(16, 185, 129, 0.08);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 16px;
}

.sandbox-app {
    margin-top: 40px;
}

.sandbox-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.btn-scenario {
    background-color: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.01);
}

.btn-scenario.active, .btn-scenario:hover {
    border-color: var(--text-main);
    color: var(--text-main);
    background-color: var(--bg-surface);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.03);
}

.sandbox-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

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

/* DARK Sandbox Panel (Audit Cockpit) */
.sandbox-panel {
    background-color: #0b1020;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 280px;
    color: #f8fafc;
}

.sandbox-panel .panel-header {
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #f8fafc;
}

.status-marker {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.status-marker.editing {
    background-color: rgba(249, 115, 22, 0.15);
    color: var(--color-warning);
}

.status-marker.verified {
    background-color: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.panel-body {
    padding: 16px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.sandbox-textarea {
    width: 100%;
    height: 100%;
    min-height: 180px;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 13px;
    padding: 12px;
    resize: none;
    line-height: 1.6;
    outline: none;
    transition: border-color 0.2s ease;
}

.sandbox-textarea:focus {
    border-color: rgba(59, 130, 246, 0.5);
}

.ledger-viewer {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    height: 100%;
}

.ledger-entry {
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 8px;
}

.ledger-entry:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.entry-lbl {
    color: #94a3b8;
}

.entry-val {
    font-weight: 500;
}

.entry-val.code-font {
    font-family: var(--font-mono);
    color: #94a3b8;
}

.highlight-blue {
    color: #58a6ff;
}

.highlight-green {
    color: var(--color-success);
}

/* Quality Gate box states */
.gate-report-box {
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    padding: 16px;
    flex-grow: 1;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 140px;
}

.gate-report-box.pending {
    border-left: 4px solid #64748b;
}

.gate-report-box.error {
    border-left: 4px solid var(--color-error);
    background-color: rgba(239, 68, 68, 0.02);
}

.gate-report-box.success {
    border-left: 4px solid var(--color-success);
    background-color: rgba(16, 185, 129, 0.02);
}

.gate-status-text {
    font-weight: 700;
    font-size: 13px;
}

.pending .gate-status-text { color: #94a3b8; }
.error .gate-status-text { color: var(--color-error); }
.success .gate-status-text { color: var(--color-success); }

.gate-log {
    font-size: 12px;
    color: #cbd5e1;
    font-family: var(--font-mono);
    line-height: 1.5;
    word-break: break-all;
}

.gate-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-action-primary {
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    padding: 12px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-action-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-action-success {
    background-color: var(--color-success);
    color: #ffffff;
    border: none;
    padding: 12px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    animation: pulse 2s infinite;
}

.btn-action-success:hover {
    background-color: #059669;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    }
    70% {
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

/* --- Section Portals --- */
.section-portals {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
}

.portal-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(15, 23, 42, 0.01);
}

.portal-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.03);
}

.portal-icon {
    font-size: 28px;
    margin-bottom: 16px;
}

.portal-card h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--text-main);
}

.portal-meta {
    font-size: 13px;
    color: var(--color-success);
    font-weight: 600;
    margin-bottom: 16px;
}

.portal-text {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.portal-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.portal-tag-list span {
    font-size: 11px;
    font-weight: 600;
    background-color: rgba(15, 23, 42, 0.03);
    color: var(--text-main);
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* --- Section CLI --- */
.section-cli {
    padding: 100px 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-surface);
}

.cli-info h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-main);
}

.cli-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 15px;
}

.integration-item {
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 2px solid var(--border-color);
}

.integration-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.integration-header h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
}

.integration-item p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Terminal Styles (DARK Cockpit) */
.terminal-container {
    background-color: #070913;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
    overflow: hidden;
    width: 100%;
}

.terminal-header {
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
}

.terminal-title {
    font-size: 12px;
    color: #94a3b8;
    font-family: var(--font-mono);
}

.btn-copy-terminal {
    background-color: transparent;
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-copy-terminal:hover {
    border-color: #ffffff;
    color: #ffffff;
}

.terminal-body {
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.7;
    overflow-x: auto;
}

.terminal-line {
    white-space: pre;
    color: #cbd5e1;
}

.t-prompt {
    color: var(--color-success);
    font-weight: 700;
}

.t-comment {
    color: #64748b;
    font-style: italic;
}

.t-output {
    color: #94a3b8;
}

.t-success {
    color: var(--color-success);
}

/* --- Footer (LIGHT) --- */
.app-footer {
    background-color: #f1f5f9;
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 13px;
    max-width: 320px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.footer-links a {
    color: var(--text-muted);
    font-size: 13px;
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-copyright {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 20px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}