/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700;800&family=Roboto:wght@300;400;500;700&family=Work+Sans:wght@300;400;500;600&display=swap');

/* Modern Industrial Gray SaaS Theme */
:root {
    --blueprint-primary: #4A4A4A;     /* Steel Gray - text, icons */
    --blueprint-light: #6B6B6B;       /* Medium gray */
    --blueprint-blue: #2c5aa0;        /* Professional blue for buttons */
    --blueprint-accent: #F2F2F2;      /* Industrial Gray - background/neutral */
    --blueprint-white: #ffffff;       /* Pure white */
    --blueprint-gray: #F2F2F2;        /* Industrial Gray background */
    --blueprint-dark: #4A4A4A;        /* Steel Gray */
    --blueprint-lines: #D1D1D1;       /* Light gray lines */
    --construction-orange: #f97316;   /* Safety orange */
    --construction-yellow: #fbbf24;   /* High-vis yellow */
    --success-green: #10b981;         /* Success green */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Professional Font Stack */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mobile: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-caption: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Base styles */
body {
    font-family: var(--font-body);
    background-color: var(--blueprint-gray);
    color: var(--blueprint-dark);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Only add padding-top to pages that aren't the hero landing */
body:not(.hero-page) {
    padding-top: 76px; /* Account for fixed navbar */
}

/* Professional Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

.btn, button, input, select, textarea {
    font-family: var(--font-body);
}

.caption, .small-text {
    font-family: var(--font-caption);
}

/* Mobile font optimization */
@media (max-width: 768px) {
    body {
        font-family: var(--font-mobile);
    }
}

/* Navigation Styles */
.bg-blueprint {
    background-color: var(--blueprint-primary) !important;
}

.navbar-dark .navbar-brand,
.navbar-dark .navbar-nav .nav-link {
    color: var(--blueprint-white) !important;
}

/* Modern Hero Section */
.modern-hero {
    position: relative;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

.hero-video-iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120vw;
    height: 67.5vw; /* 16:9 aspect ratio with 20% extra */
    min-height: 120vh;
    min-width: 213.33vh; /* 16:9 aspect ratio with 20% extra */
    transform: translateX(-50%) translateY(-50%);
    pointer-events: none;
    border: none;
    outline: none;
    opacity: 0.75;
    filter: brightness(1.2) contrast(0.8);
}

/* Ensure video covers properly on all screen sizes */
@media (max-aspect-ratio: 16/9) {
    .hero-video-iframe {
        height: 120vh;
        width: 213.33vh;
    }
}

@media (min-aspect-ratio: 16/9) {
    .hero-video-iframe {
        width: 120vw;
        height: 67.5vw;
    }
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at center, transparent 20%, rgba(0, 0, 0, 0.2) 60%, rgba(0, 0, 0, 0.4) 90%),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, transparent 30%, transparent 70%, rgba(0, 0, 0, 0.3) 100%);
    z-index: -1;
}

/* Clean up - removed animation styles for video background */

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: blueprintMove 20s linear infinite;
}

@keyframes blueprintMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0,0,0,0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-headline {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.9;
    max-width: 500px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-hero-primary {
    font-family: var(--font-body);
    background: var(--blueprint-white);
    color: var(--blueprint-primary);
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--blueprint-primary);
}

.btn-hero-secondary {
    font-family: var(--font-body);
    background: transparent;
    color: var(--blueprint-white);
    padding: 1rem 2rem;
    font-weight: 600;
    border: 2px solid var(--blueprint-white);
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-hero-secondary:hover {
    background: var(--blueprint-white);
    color: var(--blueprint-primary);
}

.hero-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.feature-pill {
    font-family: var(--font-caption);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--blueprint-white);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.feature-pill:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

/* Hero Visual Mockups */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.qr-demo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-mockup {
    background: var(--blueprint-dark);
    border-radius: 2rem;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.mobile-screen {
    width: 200px;
    height: 400px;
    background: var(--blueprint-white);
    border-radius: 1.5rem;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-scanner-ui {
    width: 150px;
    height: 150px;
    border: 2px solid var(--blueprint-primary);
    border-radius: 1rem;
    position: relative;
    background: var(--blueprint-gray);
}

.scan-frame {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border: 2px solid var(--construction-orange);
    border-radius: 0.5rem;
    animation: scanPulse 2s infinite;
}

@keyframes scanPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.qr-code-sample {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
    background: repeating-linear-gradient(
        0deg,
        var(--blueprint-dark),
        var(--blueprint-dark) 2px,
        transparent 2px,
        transparent 4px
    ),
    repeating-linear-gradient(
        90deg,
        var(--blueprint-dark),
        var(--blueprint-dark) 2px,
        transparent 2px,
        transparent 4px
    );
}

.floating-blueprint {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 300px;
    height: 200px;
    background: var(--blueprint-white);
    border: 2px solid var(--blueprint-lines);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    opacity: 0.8;
    transform: rotate(15deg);
    z-index: 1;
}

.floating-blueprint::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background-image: 
        linear-gradient(var(--blueprint-lines) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-lines) 1px, transparent 1px);
    background-size: 20px 20px;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--blueprint-white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Visual Demo Section */
.visual-demo-section {
    background: var(--blueprint-gray);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.demo-visual {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 2rem;
}

.qr-scanning-demo {
    background: linear-gradient(135deg, var(--blueprint-primary) 0%, var(--blueprint-light) 100%);
    color: var(--blueprint-white);
}

.blueprint-viewer-demo {
    background: var(--blueprint-white);
    color: var(--blueprint-dark);
}

.phone-frame {
    background: var(--blueprint-dark);
    border-radius: 2rem;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2rem;
}

.screen {
    width: 250px;
    height: 500px;
    background: var(--blueprint-white);
    border-radius: 1.5rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-viewfinder {
    position: relative;
    width: 200px;
    height: 200px;
}

.corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 3px solid var(--construction-orange);
}

.corner.top-left {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.corner.top-right {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.corner.bottom-left {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.corner.bottom-right {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

.blueprint-preview {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    height: 120px;
    background: var(--blueprint-accent);
    border-radius: 0.5rem;
    border: 2px solid var(--blueprint-primary);
}

.browser-frame {
    background: var(--blueprint-white);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 400px;
    height: 300px;
    margin-bottom: 2rem;
}

.browser-toolbar {
    background: var(--blueprint-gray);
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    border-bottom: 1px solid var(--blueprint-lines);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--blueprint-lines);
}

.browser-dots span:first-child {
    background: #ff5f56;
}

.browser-dots span:nth-child(2) {
    background: #ffbd2e;
}

.browser-dots span:last-child {
    background: #27ca3f;
}

.blueprint-canvas {
    height: 260px;
    position: relative;
    background: var(--blueprint-white);
    overflow: hidden;
}

.blueprint-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(var(--blueprint-lines) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-lines) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.5;
}

.blueprint-lines {
    position: absolute;
    top: 50px;
    left: 50px;
    width: 200px;
    height: 150px;
    border: 2px solid var(--blueprint-primary);
    border-radius: 0.25rem;
}

.blueprint-lines::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 80px;
    height: 60px;
    border: 1px solid var(--blueprint-primary);
}

.measurement-tools {
    position: absolute;
    top: 80px;
    right: 50px;
}

.measure-line {
    width: 60px;
    height: 2px;
    background: var(--construction-orange);
    position: relative;
}

.measure-line::before,
.measure-line::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 10px;
    background: var(--construction-orange);
}

.measure-line::before {
    left: 0;
    top: -4px;
}

.measure-line::after {
    right: 0;
    top: -4px;
}

.dimension-text {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--construction-orange);
    background: var(--blueprint-white);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.demo-label {
    text-align: center;
}

.demo-label h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.demo-label p {
    font-size: 1.125rem;
    opacity: 0.8;
}

/* 3D Model Demo Section */
.model-demo-section {
    padding: 6rem 0;
    background: var(--blueprint-white);
}

.model-viewer-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.model-viewer {
    background: var(--blueprint-dark);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.building-model {
    width: 300px;
    height: 300px;
    position: relative;
    perspective: 1000px;
    margin-bottom: 2rem;
    animation: rotate3d 8s linear infinite;
}

@keyframes rotate3d {
    0% { transform: rotateY(0deg) rotateX(10deg); }
    100% { transform: rotateY(360deg) rotateX(10deg); }
}

.floor {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--blueprint-accent);
    border: 2px solid var(--blueprint-primary);
    border-radius: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
}

.floor-1 {
    bottom: 20px;
    z-index: 3;
}

.floor-2 {
    bottom: 80px;
    z-index: 2;
    opacity: 0.8;
}

.floor-3 {
    bottom: 140px;
    z-index: 1;
    opacity: 0.6;
}

.wall-layer {
    position: absolute;
    width: 180px;
    height: 180px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 0.25rem;
    opacity: 0.7;
}

.wall-layer.electrical {
    bottom: 30px;
    background: repeating-linear-gradient(
        45deg,
        var(--construction-yellow),
        var(--construction-yellow) 5px,
        transparent 5px,
        transparent 10px
    );
    border: 1px solid var(--construction-yellow);
}

.wall-layer.plumbing {
    bottom: 90px;
    background: repeating-linear-gradient(
        -45deg,
        var(--blueprint-light),
        var(--blueprint-light) 5px,
        transparent 5px,
        transparent 10px
    );
    border: 1px solid var(--blueprint-light);
}

.rotation-indicator {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border: 2px solid var(--blueprint-white);
    border-top: 2px solid var(--construction-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.model-controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.control-btn {
    background: transparent;
    border: 2px solid var(--blueprint-white);
    color: var(--blueprint-white);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
}

.control-btn.active,
.control-btn:hover {
    background: var(--blueprint-white);
    color: var(--blueprint-dark);
}

.feature-highlight {
    padding: 2rem 0;
}

.feature-highlight h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blueprint-primary);
    margin-bottom: 2rem;
}

.feature-points {
    display: grid;
    gap: 1.5rem;
}

.point {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--blueprint-gray);
    border-radius: 0.75rem;
    border-left: 4px solid var(--blueprint-primary);
}

.point i {
    color: var(--blueprint-primary);
    flex-shrink: 0;
}

.point span {
    font-weight: 500;
    color: var(--blueprint-dark);
}

/* User Roles Section */
.roles-section {
    padding: 6rem 0;
    background: var(--blueprint-gray);
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.role-card {
    background: var(--blueprint-white);
    border-radius: 1.5rem;
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    border-top: 4px solid transparent;
}

.role-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.admin-role {
    border-top-color: var(--construction-orange);
}

.admin-role .role-icon {
    background: var(--construction-orange);
}

.collaborator-role {
    border-top-color: var(--blueprint-primary);
}

.collaborator-role .role-icon {
    background: var(--blueprint-primary);
}

.viewer-role {
    border-top-color: var(--success-green);
}

.viewer-role .role-icon {
    background: var(--success-green);
}

.role-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--blueprint-white);
}

.role-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blueprint-dark);
    margin-bottom: 1.5rem;
}

.role-actions {
    display: grid;
    gap: 1rem;
}

.action {
    background: var(--blueprint-gray);
    padding: 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    color: var(--blueprint-dark);
    border-left: 3px solid var(--blueprint-lines);
}

/* Device Preview Section */
.device-preview-section {
    padding: 6rem 0;
    background: var(--blueprint-white);
}

.preview-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.desktop-preview,
.mobile-preview {
    text-align: center;
}

.desktop-frame {
    background: var(--blueprint-dark);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 1rem;
}

.desktop-screen {
    width: 400px;
    height: 250px;
    background: var(--blueprint-white);
    border-radius: 0.5rem;
    overflow: hidden;
}

.mobile-frame {
    background: var(--blueprint-dark);
    border-radius: 2rem;
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 1rem;
}

.mobile-screen {
    width: 200px;
    height: 400px;
    background: var(--blueprint-white);
    border-radius: 1.5rem;
    overflow: hidden;
}

.app-interface {
    display: flex;
    height: 100%;
}

.sidebar {
    width: 100px;
    background: var(--blueprint-gray);
    border-right: 1px solid var(--blueprint-lines);
    padding: 1rem 0.5rem;
}

.project-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.project-item {
    height: 30px;
    background: var(--blueprint-lines);
    border-radius: 0.25rem;
}

.project-item.active {
    background: var(--blueprint-primary);
}

.main-content {
    flex: 1;
    padding: 1rem;
}

.blueprint-workspace {
    width: 100%;
    height: 100%;
    background: var(--blueprint-gray);
    border-radius: 0.5rem;
    border: 2px dashed var(--blueprint-lines);
    position: relative;
}

.blueprint-workspace::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background-image: 
        linear-gradient(var(--blueprint-lines) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-lines) 1px, transparent 1px);
    background-size: 10px 10px;
    opacity: 0.5;
}

.mobile-app {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-header {
    height: 60px;
    background: var(--blueprint-primary);
}

.mobile-blueprint {
    flex: 1;
    background: var(--blueprint-gray);
    position: relative;
}

.mobile-blueprint::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background-image: 
        linear-gradient(var(--blueprint-lines) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-lines) 1px, transparent 1px);
    background-size: 15px 15px;
    opacity: 0.3;
}

.offline-indicator {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--success-green);
    color: var(--blueprint-white);
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.device-label {
    font-weight: 600;
    color: var(--blueprint-dark);
    font-size: 1.125rem;
}

/* Final CTA Section */
.final-cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--blueprint-primary) 0%, var(--blueprint-light) 100%);
    color: var(--blueprint-white);
}

.final-cta h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-primary {
    background: var(--blueprint-white);
    color: var(--blueprint-primary);
    padding: 1.25rem 2.5rem;
    font-weight: 700;
    border-radius: 0.75rem;
    text-decoration: none;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--blueprint-primary);
}

.btn-cta-secondary {
    background: transparent;
    color: var(--blueprint-white);
    padding: 1.25rem 2.5rem;
    font-weight: 700;
    border: 2px solid var(--blueprint-white);
    border-radius: 0.75rem;
    text-decoration: none;
    font-size: 1.125rem;
    transition: all 0.3s ease;
}

.btn-cta-secondary:hover {
    background: var(--blueprint-white);
    color: var(--blueprint-primary);
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 1200px) {
    .hero-headline {
        font-size: 3.5rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 992px) {
    .hero-headline {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .roles-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .feature-highlight h2 {
        font-size: 2rem;
    }
    
    .model-demo-section .row {
        flex-direction: column-reverse;
    }
    
    .model-demo-section .col-lg-6 {
        text-align: center;
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .hero-headline {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-actions {
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .hero-features {
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .feature-pill {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .modern-hero .row {
        text-align: center;
    }
    
    .hero-visual {
        margin-top: 2rem;
    }
    
    .qr-demo-container {
        transform: scale(0.8);
    }
    
    .floating-blueprint {
        display: none;
    }
    
    .visual-demo-section .demo-visual {
        height: auto;
        min-height: 60vh;
        padding: 1rem;
    }
    
    .phone-frame {
        transform: scale(0.9);
        margin-bottom: 1rem;
    }
    
    .browser-frame {
        width: 280px;
        height: 180px;
        margin-bottom: 1rem;
    }
    
    .demo-label h3 {
        font-size: 1.5rem;
    }
    
    .demo-label p {
        font-size: 1rem;
    }
    
    .model-demo-section {
        padding: 3rem 0;
    }
    
    .building-model {
        width: 200px;
        height: 200px;
    }
    
    .floor {
        width: 120px;
        height: 120px;
    }
    
    .wall-layer {
        width: 100px;
        height: 100px;
    }
    
    .model-controls {
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .control-btn {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .feature-highlight {
        margin-top: 2rem;
        padding: 0;
    }
    
    .feature-highlight h2 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }
    
    .roles-section {
        padding: 3rem 0;
    }
    
    .roles-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .role-card {
        padding: 2rem;
    }
    
    .role-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }
    
    .role-card h3 {
        font-size: 1.25rem;
    }
    
    .device-preview-section {
        padding: 3rem 0;
    }
    
    .preview-showcase {
        flex-direction: column;
        gap: 2rem;
    }
    
    .desktop-frame {
        transform: scale(0.8);
    }
    
    .desktop-screen {
        width: 300px;
        height: 180px;
    }
    
    .mobile-frame {
        transform: scale(0.9);
    }
    
    .final-cta {
        padding: 3rem 0;
    }
    
    .final-cta h2 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
        max-width: 300px;
        padding: 1rem 2rem;
    }
}

@media (max-width: 576px) {
    .hero-headline {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .qr-demo-container {
        transform: scale(0.7);
    }
    
    .mobile-mockup {
        padding: 0.5rem;
    }
    
    .mobile-screen {
        width: 160px;
        height: 320px;
    }
    
    .browser-frame {
        width: 250px;
        height: 150px;
    }
    
    .building-model {
        width: 150px;
        height: 150px;
    }
    
    .floor {
        width: 100px;
        height: 100px;
    }
    
    .wall-layer {
        width: 80px;
        height: 80px;
    }
    
    .role-card {
        padding: 1.5rem;
    }
    
    .final-cta h2 {
        font-size: 1.75rem;
    }
    
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

/* Comprehensive Footer Styles */
.site-footer {
    background: var(--blueprint-dark);
    color: var(--blueprint-white);
    padding: 4rem 0 0;
    margin-top: 0;
}

.footer-content {
    padding-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.footer-brand .brand-icon {
    color: var(--construction-yellow);
    margin-bottom: 0.5rem;
    width: 40px;
    height: 40px;
}

.footer-brand h3 {
    color: var(--blueprint-white);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.brand-tagline {
    color: var(--construction-yellow);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-title {
    color: var(--blueprint-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--construction-orange);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.footer-links a:hover {
    color: var(--construction-yellow);
    transform: translateX(5px);
}

.footer-stats {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    padding: 2rem;
    margin: 3rem 0;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--construction-yellow);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    font-weight: 500;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    margin-top: 2rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--construction-orange);
    color: var(--blueprint-white);
    transform: translateY(-2px);
}

/* Enhanced Image Clarity for Lower Sections */
.blueprint-canvas,
.blueprint-workspace,
.mobile-blueprint {
    background: var(--blueprint-white);
    border: 2px solid var(--blueprint-lines);
    box-shadow: var(--shadow-md);
}

.blueprint-grid {
    background-image: 
        linear-gradient(var(--blueprint-primary) 1px, transparent 1px),
        linear-gradient(90deg, var(--blueprint-primary) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
}

.blueprint-lines {
    border: 3px solid var(--blueprint-primary);
    box-shadow: 0 2px 8px rgba(15, 76, 117, 0.2);
}

.blueprint-lines::before {
    border: 2px solid var(--blueprint-light);
    background: var(--blueprint-accent);
    opacity: 0.8;
}

.desktop-screen,
.mobile-screen {
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--blueprint-lines);
}

.browser-frame,
.phone-frame {
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Enhanced Mobile Footer Responsiveness */
@media (max-width: 768px) {
    .site-footer {
        padding: 3rem 0 0;
    }
    
    .footer-brand {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .footer-title {
        text-align: center;
        width: 100%;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-stats {
        padding: 1.5rem;
        margin: 2rem 0;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .social-links {
        justify-content: center;
        margin-top: 1rem;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .copyright {
        margin-bottom: 1rem;
    }
}

/* Construction Showcase Sections */
.construction-showcase,
.blueprint-solutions,
.blueprint-reading {
    padding: 5rem 0;
    background: var(--blueprint-white);
}

.blueprint-solutions {
    background: var(--blueprint-gray);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blueprint-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    color: #6B6B6B;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.showcase-content {
    padding: 2rem 0;
}

.showcase-image {
    position: relative;
}

.showcase-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--blueprint-gray);
    border-radius: 0.75rem;
    border-left: 4px solid var(--construction-orange);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    color: var(--construction-orange);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-item h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blueprint-dark);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-family: var(--font-body);
    color: #6B6B6B;
    font-size: 0.95rem;
    margin: 0;
}

/* Solution Stats */
.solution-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--blueprint-white);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--construction-orange);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: var(--font-caption);
    font-size: 0.875rem;
    color: #6B6B6B;
    font-weight: 500;
}

/* Training Features */
.training-features {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.training-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--blueprint-gray);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.training-item:hover {
    background: #E5E5E5;
    transform: translateX(5px);
}

.training-icon {
    color: var(--construction-yellow);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.training-item span {
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--blueprint-dark);
}

/* Responsive Design */
@media (max-width: 768px) {
    .construction-showcase,
    .blueprint-solutions,
    .blueprint-reading {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
    }
    
    .showcase-image img {
        height: 300px;
    }
    
    .solution-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

/* Pricing Section */
.pricing-section {
    padding: 5rem 0;
    background: var(--blueprint-gray);
}

.pricing-card {
    background: var(--blueprint-white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    border: 2px solid var(--construction-orange);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--construction-orange);
    color: var(--blueprint-white);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-caption);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blueprint-dark);
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1rem;
}

.currency {
    font-size: 1.25rem;
    color: var(--construction-orange);
    font-weight: 600;
}

.amount {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--blueprint-dark);
    margin: 0 0.25rem;
}

.period {
    font-size: 1rem;
    color: #6B6B6B;
}

.pricing-header p {
    color: #6B6B6B;
    font-size: 0.95rem;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 2rem;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-family: var(--font-body);
}

.feature-check i {
    color: var(--construction-orange);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.feature-check span {
    color: var(--blueprint-dark);
    font-size: 0.95rem;
}

.pricing-btn {
    display: block;
    text-align: center;
    background: var(--construction-orange);
    color: var(--blueprint-white);
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-body);
    transition: all 0.3s ease;
    margin-top: auto;
}

.pricing-btn:hover {
    background: #e86a10;
    color: var(--blueprint-white);
    transform: translateY(-2px);
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background: var(--blueprint-white);
}

.contact-content {
    padding: 2rem 0;
}

.contact-info {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--blueprint-gray);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #E5E5E5;
    transform: translateX(5px);
}

.contact-icon {
    color: var(--construction-orange);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--blueprint-dark);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: #6B6B6B;
    margin: 0;
    font-family: var(--font-body);
}

.contact-form-container {
    background: var(--blueprint-gray);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.contact-form .form-group {
    margin-bottom: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid transparent;
    border-radius: 0.5rem;
    background: var(--blueprint-white);
    color: var(--blueprint-dark);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--construction-orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.contact-submit-btn {
    width: 100%;
    background: var(--construction-orange);
    color: var(--blueprint-white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.75rem;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-submit-btn:hover {
    background: #e86a10;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.3);
}

/* Mobile responsiveness for new sections */
@media (max-width: 768px) {
    .pricing-section,
    .contact-section {
        padding: 3rem 0;
    }
    
    .pricing-card {
        margin-bottom: 2rem;
    }
    
    .pricing-card.featured {
        transform: none;
        margin-top: 1rem;
    }
    
    .amount {
        font-size: 2.5rem;
    }
    
    .contact-form-container {
        margin-top: 2rem;
        padding: 1.5rem;
    }
}

/* Authentication Styles */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--blueprint-gray) 0%, var(--blueprint-white) 100%);
    padding: 2rem 0;
}

.auth-card {
    background: var(--blueprint-white);
    border-radius: 1rem;
    padding: 3rem 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid #E5E5E5;
}

.auth-header h2 {
    font-family: var(--font-heading);
    color: var(--blueprint-dark);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-icon {
    width: 48px;
    height: 48px;
    color: var(--construction-orange);
}

.admin-icon {
    color: var(--construction-orange);
}

.user-icon {
    color: var(--construction-yellow);
}

.auth-form .form-label {
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--blueprint-dark);
    margin-bottom: 0.5rem;
}

.auth-form .form-control {
    padding: 0.875rem 1rem;
    border: 2px solid #E5E5E5;
    border-radius: 0.5rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.auth-form .form-control:focus {
    border-color: var(--construction-orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.btn-auth {
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    font-family: var(--font-body);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.btn-auth:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.auth-link {
    color: var(--construction-orange);
    text-decoration: none;
    font-weight: 500;
}

.auth-link:hover {
    color: #e86a10;
    text-decoration: underline;
}

/* Login Options */
.login-options {
    margin: 2rem 0;
}

.login-option-card {
    display: block;
    background: var(--blueprint-white);
    border: 2px solid #E5E5E5;
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    height: 100%;
}

.login-option-card:hover {
    border-color: var(--construction-orange);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    color: inherit;
    text-decoration: none;
}

.option-icon {
    text-align: center;
    margin-bottom: 1rem;
}

.option-icon i {
    width: 40px;
    height: 40px;
    color: var(--construction-orange);
}

.login-option-card h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--blueprint-dark);
    text-align: center;
    margin-bottom: 1rem;
}

.login-option-card p {
    color: #6B6B6B;
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.option-features {
    border-top: 1px solid #E5E5E5;
    padding-top: 1rem;
}

.feature {
    font-size: 0.875rem;
    color: #6B6B6B;
    margin-bottom: 0.5rem;
    font-family: var(--font-body);
}

.feature:last-child {
    margin-bottom: 0;
}

/* Mobile responsiveness for auth */
@media (max-width: 768px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .auth-container {
        padding: 1rem 0;
    }
    
    .login-option-card {
        margin-bottom: 1rem;
    }
}

/* Modern Admin Layout Styles */
.admin-layout {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.admin-navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    border-bottom: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.admin-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--blueprint-dark) !important;
}

.admin-container {
    display: flex;
    min-height: calc(100vh - 76px);
    padding: 1.5rem;
    gap: 1.5rem;
}

.admin-sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
}

.sidebar-content {
    padding: 2rem 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sidebar-nav {
    list-style: none;
    padding: 0 1.5rem;
    margin: 0;
    flex-grow: 1;
}

.sidebar-nav .nav-item {
    margin-bottom: 0.5rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: #64748b;
    text-decoration: none;
    border-radius: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.sidebar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--construction-orange), #ff6b35);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 0.75rem;
}

.sidebar-nav .nav-link:hover {
    transform: translateX(5px);
    color: var(--construction-orange);
    background: rgba(249, 115, 22, 0.1);
}

.sidebar-nav .nav-link.active {
    color: white;
    transform: translateX(5px);
}

.sidebar-nav .nav-link.active::before {
    opacity: 1;
}

.sidebar-nav .nav-link span {
    position: relative;
    z-index: 1;
}

.sidebar-nav .nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 1rem;
    position: relative;
    z-index: 1;
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: auto;
}

.admin-main {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.admin-content {
    padding: 2.5rem;
    height: 100%;
    overflow-y: auto;
}

/* Modern Admin Stats Cards */
.admin-stat-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.admin-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.admin-stat-card:hover::before {
    transform: scaleX(1);
}

.admin-stat-card .stat-icon {
    width: 64px;
    height: 64px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.admin-stat-card .stat-icon i {
    color: white;
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.admin-stat-card .stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    margin: 0;
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-heading);
    line-height: 1;
}

.admin-stat-card .stat-label {
    font-size: 0.875rem;
    color: #64748b;
    margin: 0;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Modern Quick Actions */
.quick-actions h6 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 1rem;
}

.quick-actions .btn {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #334155;
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-actions .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    color: #1e293b;
}

/* Modern Page Headers */
.admin-content h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.admin-content .text-muted {
    color: #64748b !important;
    font-weight: 500;
}

/* Modern Admin Cards & Tables */
.admin-content .card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.admin-content .card-body {
    padding: 2rem;
}

.admin-content .table {
    background: transparent;
    margin-bottom: 0;
}

.admin-content .table th {
    border-top: none;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
    font-weight: 700;
    color: #334155;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem 0.75rem;
}

.admin-content .table td {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0.75rem;
    vertical-align: middle;
}

.admin-content .table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

.admin-content .btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.admin-content .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.admin-content .btn-outline-primary {
    border: 1px solid rgba(102, 126, 234, 0.3);
    color: #667eea;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.admin-content .btn-outline-primary:hover {
    background: #667eea;
    border-color: #667eea;
    transform: translateY(-1px);
}

.admin-content .btn-outline-danger {
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.admin-content .btn-outline-danger:hover {
    background: #ef4444;
    border-color: #ef4444;
    transform: translateY(-1px);
}

.admin-content .badge {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.75rem;
}

.admin-content .avatar-sm {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Empty States */
.admin-content .text-center.py-5 {
    padding: 4rem 2rem !important;
}

.admin-content .text-center.py-5 i {
    opacity: 0.5;
    margin-bottom: 1.5rem !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-container {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }
    
    .admin-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: none;
    }
    
    .sidebar-content {
        flex-direction: row;
        overflow-x: auto;
        padding: 1rem 0;
    }
    
    .sidebar-nav {
        display: flex;
        flex-direction: row;
        white-space: nowrap;
        padding: 0 1rem;
    }
    
    .sidebar-nav .nav-item {
        margin-right: 0.5rem;
        margin-bottom: 0;
    }
    
    .sidebar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 0.75rem;
        white-space: nowrap;
    }
    
    .sidebar-footer {
        display: none;
    }
    
    .admin-content {
        padding: 1.5rem;
    }
    
    .admin-content .card-body {
        padding: 1.5rem;
    }
}

/* Blueprint grid background */
.hero-section {
    background-image: 
        linear-gradient(rgba(30, 58, 138, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 58, 138, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, transparent 50%);
}

/* Typography */
.text-blueprint {
    color: var(--blueprint-blue) !important;
}

.fw-bold {
    font-weight: 700;
}

.fw-semibold {
    font-weight: 600;
}

/* Modern Navigation */
.navbar-dark.bg-blueprint {
    background: rgba(15, 76, 117, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(15, 76, 117, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: white !important;
}

.navbar-brand i {
    margin-right: 0.5rem;
    color: var(--construction-yellow);
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--construction-yellow) !important;
}

/* Professional Form Styling */
.form-control {
    border: 2px solid var(--blueprint-grid);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #fafbfc;
}

.form-control:focus {
    border-color: var(--blueprint-accent);
    box-shadow: 0 0 0 0.2rem rgba(8, 145, 178, 0.15);
    background-color: white;
}

.input-group-text {
    border: 2px solid var(--blueprint-grid);
    background-color: #f8fafc;
    border-right: none;
}

.input-group .form-control:focus + .input-group-text,
.input-group .form-control:focus {
    border-color: var(--blueprint-accent);
}

/* Modern Professional Buttons */
.btn-blueprint {
    background: linear-gradient(135deg, var(--blueprint-blue) 0%, var(--blueprint-light) 100%);
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.625rem 1.75rem;
    border-radius: 0.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 4px rgba(26, 54, 93, 0.15);
    text-transform: none;
    letter-spacing: 0.025em;
}

.btn-blueprint:hover,
.btn-blueprint:focus {
    background: linear-gradient(135deg, var(--blueprint-dark) 0%, var(--blueprint-blue) 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(26, 54, 93, 0.25);
}

.btn-outline-blueprint {
    color: var(--blueprint-blue);
    border-color: var(--blueprint-blue);
    background-color: transparent;
    font-weight: 600;
}

.btn-outline-blueprint:hover,
.btn-outline-blueprint:focus {
    background-color: var(--blueprint-blue);
    border-color: var(--blueprint-blue);
    color: white;
}

/* Modern Professional Cards */
.card {
    border: 1px solid var(--blueprint-grid);
    border-radius: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--blueprint-accent);
}

/* Login Card Styling */
.login-card {
    background: white;
    border: none;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(26, 54, 93, 0.1);
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--blueprint-blue), var(--blueprint-accent));
}

/* Professional Dashboard Styling */
.stat-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    border: 1px solid var(--blueprint-grid);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-blueprint {
    background-color: var(--blueprint-blue) !important;
}

.bg-success {
    background-color: var(--success-green) !important;
}

.bg-info {
    background-color: var(--blueprint-accent) !important;
}

.bg-warning {
    background-color: var(--construction-yellow) !important;
}

/* Project Cards */
.project-card {
    transition: all 0.3s ease;
    border: 1px solid var(--blueprint-grid);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
    border-color: var(--blueprint-accent);
}

/* Modern Footer */
.bg-blueprint {
    background: linear-gradient(135deg, var(--blueprint-blue) 0%, var(--blueprint-dark) 100%) !important;
}

/* USA Construction Professional Styling */
.usa-construction-header {
    background: linear-gradient(135deg, var(--blueprint-blue) 0%, var(--blueprint-accent) 100%);
    color: white;
    padding: 3rem 0;
    position: relative;
}

.usa-construction-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(255,255,255,0.05) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.05) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.05) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

/* Feature cards */
.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
    border: 1px solid var(--blueprint-grid);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--blueprint-light);
    box-shadow: 0 8px 24px rgba(30, 58, 138, 0.1);
    transform: translateY(-4px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(30, 58, 138, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.feature-icon i {
    width: 32px;
    height: 32px;
}

/* Project cards */
.project-card {
    border: 1px solid var(--blueprint-grid);
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--blueprint-light);
    box-shadow: 0 8px 24px rgba(30, 58, 138, 0.1);
}

.project-stats .badge {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Drawing cards */
.drawing-card {
    border: 1px solid var(--blueprint-grid);
    transition: all 0.3s ease;
}

.drawing-card:hover {
    border-color: var(--blueprint-light);
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.1);
}

.drawing-preview {
    background: rgba(248, 250, 252, 0.8);
    border: 1px dashed var(--blueprint-grid);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

/* Stat cards */
.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--blueprint-grid);
    transition: all 0.3s ease;
}

.stat-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    width: 24px;
    height: 24px;
}

/* Forms */
.form-control {
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--blueprint-light);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.15);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--blueprint-blue);
    border-left: 4px solid var(--blueprint-light);
}

/* Breadcrumbs */
.breadcrumb {
    background: rgba(248, 250, 252, 0.8);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: #9ca3af;
    content: "›";
    font-weight: bold;
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 0.375rem;
}

/* Hero section improvements */
.hero-content h1 {
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
}

.hero-image img {
    border-radius: 1rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer.bg-blueprint {
    background-color: var(--blueprint-blue) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
    }
}

/* Grid background for technical feel */
.bg-grid {
    background-image: 
        linear-gradient(rgba(30, 58, 138, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 58, 138, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Loading states */
.spinner-border-lg {
    width: 3rem;
    height: 3rem;
}

/* Technical drawing aesthetics */
.technical-border {
    border: 2px solid var(--blueprint-blue);
    position: relative;
}

.technical-border::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 1px solid var(--blueprint-light);
    pointer-events: none;
}

/* Smooth transitions */
* {
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

/* Focus states for accessibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
    outline: 2px solid var(--blueprint-light);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .btn,
    footer {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}


/* =============================================================================
   MODERN ADMIN PANEL DESIGN
   ============================================================================= */

/* Admin Body & Layout */
.modern-admin {
    font-family: var(--font-body);
    background: #f8fafc;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Modern Admin Header */
.admin-header {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 48px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 2rem;
    max-width: none;
}

/* Header Left - Brand */
.header-left .brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo i {
    width: 28px;
    height: 28px;
    color: var(--blueprint-primary);
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--blueprint-primary);
}

.admin-badge {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* Header Center - Breadcrumb */
.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
}

.breadcrumb-item {
    font-weight: 500;
}

/* Header Right - User Menu */
.header-right .user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-avatar i {
    width: 18px;
    height: 18px;
    color: white;
}

.user-details {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-weight: 600;
    color: var(--blueprint-primary);
    font-size: 0.875rem;
    line-height: 1.2;
}

.user-role {
    font-size: 0.75rem;
    color: #64748b;
    text-transform: capitalize;
}

.user-menu-btn {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.user-menu-btn:hover {
    background: #f1f5f9;
    color: var(--blueprint-primary);
}

.user-menu-btn i {
    width: 16px;
    height: 16px;
}

/* Admin Layout */
.admin-layout {
    display: flex;
    padding-top: 48px;
    min-height: 100vh;
}

/* Modern Sidebar */
.modern-sidebar {
    width: 240px;
    background: #ffffff;
    border-right: 1px solid #e2e8f0;
    position: fixed;
    top: 48px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 900;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.5rem 0;
}

.nav-section {
    padding: 0 1rem;
}

.nav-bottom {
    margin-top: auto;
    border-top: 1px solid #e2e8f0;
    padding-top: 1.5rem;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    background: #f1f5f9;
    color: var(--blueprint-primary);
    text-decoration: none;
}

.nav-link.active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.nav-link.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: white;
    border-radius: 0 2px 2px 0;
}

.nav-link i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Quick Actions */
.quick-actions {
    padding: 0 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
    margin-bottom: 0.5rem;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
}

.action-btn:hover {
    background: var(--blueprint-primary);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.action-btn i {
    width: 16px;
    height: 16px;
}

/* Main Content Area */
.admin-main {
    flex: 1;
    margin-left: 240px;
    padding: 1.5rem;
    min-height: calc(100vh - 48px);
}

/* Flash Messages */
.flash-messages {
    margin-bottom: 2rem;
}

.flash-messages .alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.flash-messages .alert i {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Page Content */
.page-content {
    background: #ffffff;
    border-radius: 0.75rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

/* Admin Cards */
.admin-card {
    background: #ffffff;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.admin-card .card-header {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    padding: 1.5rem 2rem;
}

.admin-card .card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--blueprint-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-card .card-body {
    padding: 2rem;
}