/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Paxeer Brand Colors */
    --pax-blue: #35b7ff;
    --pax-blue-dark: #2a9ae6;
    --pax-neon: #74f05a;
    --pax-neon-dark: #5ed943;
    --pax-dark: #000000;
    --pax-gray: #828184;
    
    /* Legacy Variables (for compatibility) */
    --primary-blue: var(--pax-blue);
    --primary-blue-dark: var(--pax-blue-dark);
    --secondary-green: var(--pax-neon);
    --accent-green: var(--pax-neon-dark);
    --dark-bg: var(--pax-dark);
    --darker-bg: var(--pax-dark);
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: var(--pax-gray);
    --text-muted: #666666;
    --border-color: #333333;
    --gradient-primary: var(--pax-blue);
    --gradient-secondary: #1a1a1a;
    --shadow-primary: 0 10px 30px rgba(53, 183, 255, 0.3);
    --shadow-secondary: 0 5px 20px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(53, 183, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-secondary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(53, 183, 255, 0.1);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(53, 183, 255, 0.2);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 75px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-svg {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px rgba(53, 183, 255, 0.5));
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.6rem 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-blue);
    background: rgba(53, 183, 255, 0.1);
}

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--dark-bg);
}

.hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-presentation {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: var(--dark-bg);
}

.hero-cta-overlay {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    width: 90%;
    max-width: 1000px;
}

.hero-buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Whitepaper Sections */
.whitepaper-section {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
}

.section-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.section-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    animation: float 25s ease-in-out infinite reverse;
    filter: brightness(0.3) contrast(1.2);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

.whitepaper-content {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(26, 26, 26, 0.8);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-secondary);
}

.whitepaper-content h3 {
    color: var(--primary-blue);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.6rem;
}

.whitepaper-content h4 {
    color: var(--secondary-green);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.whitepaper-content p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.whitepaper-content ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.whitepaper-content li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.whitepaper-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.whitepaper-content code {
    background: var(--darker-bg);
    color: var(--primary-blue);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

/* Code Blocks */
.code-block {
    margin: 2rem 0;
    background: var(--darker-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.code-block pre {
    margin: 0;
    padding: 1.5rem;
    overflow-x: auto;
}

.code-block code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-secondary);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Architecture Diagrams */
.architecture-diagram {
    text-align: center;
    margin: 2rem 0;
}

.arch-image {
    max-width: 100%;
    max-height: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-secondary);
    filter: drop-shadow(0 10px 20px rgba(53, 183, 255, 0.2));
    background: rgba(26, 26, 26, 0.5);
    padding: 1rem;
}

.oracle-architecture {
    text-align: center;
    margin: 2rem 0;
}

.oracle-image {
    max-width: 100%;
    max-height: 400px;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-secondary);
    filter: drop-shadow(0 10px 20px rgba(53, 183, 255, 0.2));
    background: rgba(26, 26, 26, 0.5);
    padding: 1rem;
}

/* Contracts Table */
.contracts-table {
    margin: 2rem 0;
    overflow-x: auto;
}

.contracts-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--darker-bg);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.contracts-table th {
    background: var(--primary-blue);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.contracts-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.contracts-table tr:last-child td {
    border-bottom: none;
}

.contracts-table code {
    font-size: 0.8rem;
    word-break: break-all;
}

.status-live {
    color: #4CAF50;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--darker-bg);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.footer-logo-svg {
    width: 30px;
    height: 30px;
    filter: drop-shadow(0 0 10px rgba(53, 183, 255, 0.5));
    border-radius: 6px;
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--darker-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .whitepaper-content {
        padding: 2rem;
        margin: 0 1rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .contracts-table {
        font-size: 0.8rem;
    }

    .contracts-table th,
    .contracts-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .whitepaper-content {
        padding: 1.5rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-orange);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-orange-dark);
}

/* Loading Animation */
.loading {
    overflow: hidden;
}

.loading::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darker-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 10000;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.loaded::before,
.loaded::after {
    display: none;
}

.nav-menu a.active {
    color: var(--primary-blue);
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(53, 183, 255, 0.2);
    border-radius: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    padding: 0.75rem 0;
    margin: 0;
    margin-top: 0.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: rgba(53, 183, 255, 0.1);
    color: var(--primary-blue);
}

.nav-menu a.active::after {
    width: 100%;
}

/* Brand Assets Section */
.brand-assets-section {
    background: var(--pax-dark);
    padding: 100px 0;
    position: relative;
}

.brand-subsection {
    margin-bottom: 4rem;
}

.brand-subsection h3 {
    color: var(--pax-blue);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-subsection h3 i {
    font-size: 1.5rem;
}

/* Color Palette */
.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

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

.color-preview {
    width: 100%;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.pax-blue { background: var(--pax-blue); }
.pax-neon { background: var(--pax-neon); }
.pax-dark { background: var(--pax-dark); border: 2px solid var(--pax-gray); }
.pax-gray { background: var(--pax-gray); }

.color-info h4 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.color-info span {
    display: block;
    margin-bottom: 0.25rem;
    font-family: 'Courier New', monospace;
}

.color-hex {
    color: var(--pax-blue);
    font-weight: 600;
    font-size: 1.1rem;
}

.color-rgb {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.color-usage {
    color: var(--pax-neon);
    font-weight: 500;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* Logo Variations */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.logo-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.logo-showcase {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--text-primary);
    position: relative;
}

.logo-showcase.dark-bg {
    background: var(--pax-dark);
}

.logo-showcase.light-bg {
    background: #f8f9fa;
}

.logo-showcase.logo-comparison {
    background: linear-gradient(45deg, var(--pax-dark) 50%, #f8f9fa 50%);
    padding: 2rem;
}

.logo-size-demo {
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.logo-medium {
    height: 48px;
    width: auto;
}

.logo-large {
    height: 64px;
    width: auto;
}

.brand-logo {
    max-height: 80px;
    max-width: 200px;
    width: auto;
    height: auto;
}

.logo-details {
    padding: 1.5rem;
}

.logo-details h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.logo-details p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.logo-specs {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.logo-specs span {
    color: var(--pax-neon);
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

/* Typography */
.typography-showcase {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    margin-bottom: 3rem;
}

.font-sample h4 {
    color: var(--pax-blue);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.font-weights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.weight-sample {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border-left: 4px solid var(--pax-blue);
}

.font-weight-400, .font-weight-500, .font-weight-600, .font-weight-800 {
    color: var(--pax-neon);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.font-demo {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin: 0;
}

.font-400 { font-weight: 400; }
.font-500 { font-weight: 500; }
.font-600 { font-weight: 600; }
.font-800 { font-weight: 800; }

/* Usage Guidelines */
.guidelines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.guideline-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.guideline-icon {
    width: 60px;
    height: 60px;
    background: var(--pax-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.guideline-icon i {
    font-size: 1.5rem;
    color: white;
}

.guideline-card h4 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.guideline-card ul {
    list-style: none;
    padding: 0;
}

.guideline-card li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.guideline-card li::before {
    content: '•';
    color: var(--pax-neon);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Download Section */
.brand-downloads {
    text-align: center;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 3rem 2rem;
    border: 1px solid var(--border-color);
}

.brand-downloads h3 {
    color: var(--pax-blue);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.brand-downloads p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.download-buttons .btn {
    min-width: 200px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .color-grid,
    .logo-grid,
    .guidelines-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-subsection h3 {
        font-size: 1.5rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .font-weights {
        gap: 1rem;
    }
    
    .weight-sample {
        padding: 0.75rem;
    }
}