/* Color system */
:root {
    /* Color system */
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #475569;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Background colors */
    --bg-main: #ffffff;
    --bg-subtle: #f8fafc;
    --bg-element: #f1f5f9;
    --bg-dark: #1e293b;
    
    /* Text colors */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #64748b;
    --text-light: #f8fafc;
    
    /* Border colors */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    
    /* Status colors */
    --status-safe: #ecfdf5;
    --status-safe-text: #047857;
    --status-warning: #fffbeb;
    --status-warning-text: #b45309;
    --status-danger: #fef2f2;
    --status-danger-text: #b91c1c;
    
    /* Layout */
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 14px;
    
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 24px;
    --spacing-6: 32px;
    --spacing-8: 64px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
}

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

html, body {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-subtle);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s ease;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-4);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-4);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-6);
    position: relative;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 3px;
}

/* Buttons */
.primary-btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary);
    color: white;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

.secondary-btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--bg-element);
    color: var(--text-secondary);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.secondary-btn:hover {
    background-color: var(--border-medium);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header */
header {
    padding: var(--spacing-3) 0;
    background-color: var(--bg-main);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo img {
    height: 32px;
    width: auto;
}

.logo span {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-5);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

.download-btn {
    background-color: var(--primary);
    color: white !important;
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.download-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: var(--spacing-8) 0;
    background: linear-gradient(135deg, var(--bg-subtle) 0%, var(--bg-element) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.3s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-5);
}

/* Features Section */
.features {
    padding: var(--spacing-8) 0;
    background-color: var(--bg-main);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-5);
    justify-content: center;
    position: relative;
    z-index: 1;
}

.feature-card {
    background-color: var(--bg-subtle);
    padding: var(--spacing-5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 2rem;
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(129, 140, 248, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
    color: var(--primary);
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.15) 0%, rgba(129, 140, 248, 0.3) 100%);
}

.feature-card h3 {
    margin: var(--spacing-3) 0;
    font-size: 1.35rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: var(--spacing-2);
}

.feature-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: var(--primary-light);
    transition: width 0.3s ease;
}

.feature-card:hover h3::after {
    width: 60px;
}

.feature-card p {
    color: var (--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-8) 0;
    background-color: var(--bg-subtle);
}

.workflow {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-5);
}

.workflow-step {
    text-align: center;
    position: relative;
}

.workflow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 30px;
    right: -40px;
    width: 80px;
    height: 2px;
    background-color: var(--border-medium);
    display: none;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-3);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

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

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

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

.cta .primary-btn:hover {
    background-color: var(--bg-subtle);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-3);
    justify-content: center;
    margin-top: var(--spacing-4);
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-6) 0 var(--spacing-3);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-5);
}

.footer-column h4 {
    color: white;
    margin-bottom: var(--spacing-3);
    position: relative;
    display: inline-block;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-light);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: var(--spacing-2);
}

.footer-column a {
    color: var(--text-light);
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: white;
    opacity: 1;
}

.social-icons {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-3);
}

.social-icons a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-3);
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Download Page Specific Styles */
.download-section {
    padding: var(--spacing-8) 0;
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-5);
    margin-top: var(--spacing-6);
}

.download-card {
    background-color: var(--bg-main);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.download-card-header {
    background-color: var(--primary);
    color: white;
    padding: var(--spacing-4);
    text-align: center;
}

.download-card-body {
    padding: var(--spacing-4);
}

.download-card-footer {
    padding: var(--spacing-4);
    background-color: var(--bg-subtle);
    text-align: center;
}

/* Setup Page Specific Styles */
.setup-section {
    padding: var(--spacing-8) 0;
}

.setup-steps {
    counter-reset: setup-counter;
    max-width: 800px;
    margin: 0 auto;
}

.setup-step {
    position: relative;
    margin-bottom: var(--spacing-6);
    padding-left: 60px;
}

.setup-step::before {
    counter-increment: setup-counter;
    content: counter(setup-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.setup-step h3 {
    margin-bottom: var(--spacing-2);
}

.code-block {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-md);
    font-family: 'Courier New', monospace;
    margin: var(--spacing-3) 0;
    overflow-x: auto;
}

/* Analysis Page Specific Styles */
.analysis-section {
    padding: var(--spacing-8) 0;
}

.analysis-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-5);
}

.analysis-card {
    background-color: var(--bg-main);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.analysis-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.analysis-card-body {
    padding: var(--spacing-4);
}

/* Hackathon-specific styles */
.hackathon-badge {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    margin: 10px 0;
}

.hackathon-badge-large {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 20px 0;
    box-shadow: var(--shadow-md);
}

.hackathon-info {
    padding: var(--spacing-8) 0;
    background-color: var(--bg-subtle);
}

.hackathon-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hackathon-description {
    background-color: var(--bg-main);
    padding: var(--spacing-5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.hackathon-actions {
    margin-top: var(--spacing-3);
}

.hackathon-note {
    padding: var(--spacing-5) 0;
    background-color: var(--bg-element);
}

.note-box {
    background-color: var(--bg-main);
    border-left: 4px solid var(--primary);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.hackathon-note-inline {
    background-color: var(--bg-element);
    border-left: 4px solid var(--primary);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-5);
    border-radius: var(--border-radius-sm);
}

.tip-box {
    background-color: var(--status-safe);
    color: var(--status-safe-text);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-sm);
    margin: var(--spacing-3) 0;
}

/* Installation steps */
.installation-steps {
    margin: var(--spacing-5) 0;
}

.installation-step {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    background-color: var(--bg-main);
    padding: var(--spacing-3);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.installation-step:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.installation-step .step-number {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.installation-step .step-content {
    flex-grow: 1;
}

.installation-step h3 {
    margin-bottom: var(--spacing-2);
}

/* Note card styling */
.note-card {
    background-color: var(--bg-main);
    padding: var(--spacing-4);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    height: 100%;
}

.note-card h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--primary);
    margin-bottom: var(--spacing-3);
}

/* Video Demo Section */
.video-demo {
    padding: var(--spacing-8) 0;
    background-color: var(--bg-subtle);
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-dark);
    margin: 0 auto;
    max-width: 900px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-description {
    text-align: center;
    max-width: 700px;
    margin: var(--spacing-5) auto 0;
}

/* Privacy Policy Page Styles */
.privacy-section {
    padding: var(--spacing-8) 0;
    background-color: var(--bg-subtle);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--bg-main);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.privacy-block {
    margin-bottom: var(--spacing-6);
}

.privacy-block h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-3);
    color: var(--primary-dark);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid var(--border-light);
}

.privacy-block h3 {
    font-size: 1.3rem;
    margin-top: var(--spacing-4);
    margin-bottom: var(--spacing-2);
    color: var(--text-secondary);
}

.privacy-block ul {
    margin-left: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.privacy-block ul li {
    margin-bottom: var(--spacing-2);
}

.privacy-footer {
    text-align: center;
    margin-top: var(--spacing-5);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* HackHazards Banner Section */
.hackathon-banner {
    background: linear-gradient(135deg, #2a0845 0%, #6441a5 100%);
    color: white;
    padding: var(--spacing-5) 0;
    text-align: center;
    margin: var(--spacing-5) 0 0 0;
}

.hackathon-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.hackathon-banner img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    margin: var(--spacing-4) 0;
    box-shadow: var(--shadow-lg);
}

.hackathon-banner h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-4);
}

.hackathon-banner p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-5);
}

/* Features Page Styles */
.feature-spotlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    padding: var(--spacing-5) 0;
}

.feature-spotlight.reverse {
    flex-direction: row-reverse;
}

.feature-spotlight-image {
    flex: 1;
    text-align: center;
}

.feature-spotlight-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.feature-spotlight-content {
    flex: 1;
}

/* Implementation Carousel */
.implementation-carousel {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 50px;
}

.carousel-container {
    overflow: hidden;
    position: relative;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    display: flex;
    gap: var(--spacing-4);
    transition: opacity 0.3s ease;
    padding: var(--spacing-3);
    background-color: var(--bg-subtle);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-main);
    border: none;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    z-index: 5;
    transition: all 0.2s ease;
}

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

.prev-btn {
    left: 0;
}

.next-btn {
    right: 0;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-4);
    gap: 10px;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-medium);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background-color: var(--primary);
    width: 20px;
    border-radius: 5px;
}

/* Responsive Design */
@media (min-width: 1024px) {
    .workflow-step:not(:last-child)::after {
        display: block;
    }
}

@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-5);
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 992px) {
    .feature-spotlight,
    .feature-spotlight.reverse {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-spotlight-content {
        order: 2;
    }
    
    .feature-spotlight-image {
        order: 1;
        margin-bottom: var(--spacing-4);
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-main);
        flex-direction: column;
        padding: var(--spacing-3);
        box-shadow: var(--shadow-md);
        z-index: 100;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .hero .container {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .installation-step {
        flex-direction: column;
    }
    
    .installation-step .step-number {
        margin: 0 auto;
    }
    
    .installation-step .step-content {
        text-align: center;
    }
    
    .carousel-slide {
        flex-direction: column;
    }
    
    .implementation-carousel {
        padding: 0 30px;
    }
    
    .carousel-btn {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .video-container {
        margin-top: var(--spacing-5);
    }
    
    .implementation-notes {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--spacing-3);
    }
}