/* CHOBES EXCHANGE - Dark Theme Stylesheet */
:root {
    --primary-color: #F86A29;
    --primary-dark: #D85A1F;
    --primary-light: #FF8A4D;
    --bg-dark: #0A0E1A;
    --bg-dark-secondary: #141823;
    --bg-dark-tertiary: #1E2330;
    --text-primary: #FFFFFF;
    --text-secondary: #B8BCC8;
    --text-muted: #6B7280;
    --border-color: #2A2F3D;
    --shadow-dark: rgba(0, 0, 0, 0.5);
}

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

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

/* Header */
header {
    background-color: var(--bg-dark-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-container .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.header-cta {
    background-color: var(--primary-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.header-cta:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Footer */
footer {
    background-color: var(--bg-dark-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 6rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-brand {
    text-align: center;
    margin-bottom: 3rem;
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    display: inline-block;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(248, 106, 41, 0.3);
}

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

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

/* Sections */
.section {
    padding: 5rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.card {
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-dark);
    border-color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(248, 106, 41, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.hero-image {
    margin-top: 4rem;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px var(--shadow-dark);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    text-align: center;
    padding: 2.5rem 2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Image Section */
.image-section {
    margin: 4rem 0;
}

.image-section img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-dark);
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.two-column.reverse {
    direction: rtl;
}

.two-column.reverse > * {
    direction: ltr;
}

.two-column-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.two-column-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.two-column-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-dark);
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    width: 45%;
    background-color: var(--bg-dark-secondary);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 2rem;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    transform: translateX(-50%);
    border: 4px solid var(--bg-dark);
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-group {
    display: flex;
    align-items: start;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
}

.alert.success {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.alert.error {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.alert.show {
    display: block;
}

/* Download Section */
.download-hero {
    text-align: center;
    padding: 4rem 0;
}

.download-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.download-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--shadow-dark);
}

.download-btn img {
    width: 24px;
    height: 24px;
}

.qr-code-section {
    text-align: center;
    margin: 3rem 0;
}

.qr-code-section img {
    max-width: 300px;
    height: auto;
    border-radius: 12px;
    padding: 1rem;
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
}

/* Legal Pages */
.legal-header {
    text-align: center;
    padding: 4rem 0 2rem;
}

.legal-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.legal-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.last-updated {
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
    color: var(--primary-color);
    font-weight: 600;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.legal-content h2 {
    font-size: 2rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.legal-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.legal-content li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

.contact-card {
    background-color: var(--bg-dark-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.contact-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.contact-card a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    nav {
        display: none;
    }

    nav.active {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-dark-secondary);
        border-top: 1px solid var(--border-color);
        padding: 1rem 2rem;
    }

    nav.active ul {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

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

    .two-column {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .two-column.reverse {
        direction: ltr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column !important;
        padding-left: 3rem;
    }

    .timeline-content {
        width: 100%;
    }

    .timeline-dot {
        left: 20px;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }