/*
Theme Name: BVOX Theme
Theme URI: https://bvox.manna-plus.kr
Description: BVOX 거래소 테더맥스 프로모션 - 다크모드 테마
Version: 1.0
Author: Manna Plus
*/

/* Google Fonts - Spoqa Han Sans Neo */
@import url('https://cdn.jsdelivr.net/gh/spoqa/spoqa-han-sans@latest/css/SpoqaHanSansNeo.css');

:root {
    --primary: #374151;
    --primary-dark: #1F2937;
    --bg-dark: #000000;
    --bg-dark-secondary: #111827;
    --bg-dark-tertiary: #1F2937;
    --text-light: #F9FAFB;
    --text-muted: #9CA3AF;
    --text-dim: #6B7280;
    --accent: #10B981;
    --accent-secondary: #3B82F6;
    --border-dark: #374151;
    --card-bg: #111827;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Spoqa Han Sans Neo', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-light);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }

p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--accent-secondary);
}

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

.container-narrow {
    max-width: 800px;
}

/* Section */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
}

/* Dark Mode Backgrounds */
.bg-dark {
    background: var(--bg-dark);
}

.bg-dark-secondary {
    background: var(--bg-dark-secondary);
}

.bg-dark-tertiary {
    background: var(--bg-dark-tertiary);
}

/* Header - Hamburger Menu Style */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-dark);
    padding: 15px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.logo span {
    color: var(--accent);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-light);
    margin: 3px 0;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.98);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    z-index: 999;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.nav-overlay ul {
    list-style: none;
    text-align: center;
}

.nav-overlay li {
    margin: 25px 0;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.4s ease;
}

.nav-overlay.active li {
    transform: translateY(0);
    opacity: 1;
}

.nav-overlay.active li:nth-child(1) { transition-delay: 0.1s; }
.nav-overlay.active li:nth-child(2) { transition-delay: 0.2s; }
.nav-overlay.active li:nth-child(3) { transition-delay: 0.3s; }
.nav-overlay.active li:nth-child(4) { transition-delay: 0.4s; }
.nav-overlay.active li:nth-child(5) { transition-delay: 0.5s; }

.nav-overlay a {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-overlay a:hover {
    color: var(--accent);
}

/* Buttons - Icon + Text Style */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn svg, .btn i {
    width: 20px;
    height: 20px;
}

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

.btn-primary:hover {
    background: #059669;
    transform: translateY(-2px);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border-dark);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 30px;
}

.hero h1 {
    margin-bottom: 25px;
}

.hero h1 .highlight {
    color: var(--accent);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Anti-gravity Floating Animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(3deg);
    }
}

@keyframes floatReverse {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(30px) rotate(-3deg);
    }
}

.float {
    animation: float 6s ease-in-out infinite;
}

.float-reverse {
    animation: floatReverse 6s ease-in-out infinite;
}

.float-slow {
    animation: float 8s ease-in-out infinite;
}

/* Zigzag Sections */
.zigzag-section {
    padding: 100px 0;
}

.zigzag-row {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
}

.zigzag-row:last-child {
    margin-bottom: 0;
}

.zigzag-row.reverse {
    flex-direction: row-reverse;
}

.zigzag-content {
    flex: 1;
}

.zigzag-visual {
    flex: 1;
    position: relative;
}

.zigzag-content .badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.zigzag-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.zigzag-content p {
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.zigzag-visual .visual-box {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    position: relative;
}

.visual-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 3rem;
}

/* Flat Cards with Hover Shadow */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 40px 30px;
    transition: all 0.4s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: var(--accent);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 1.5rem;
}

.card h4 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 40px;
    display: flex;
    gap: 25px;
    transition: all 0.4s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: var(--accent);
}

.benefit-number {
    width: 50px;
    height: 50px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefit-content h4 {
    margin-bottom: 10px;
}

/* Process Steps */
.process-steps {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 250px;
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: var(--accent);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.5rem;
    margin: 0 auto 25px;
}

.step-card::after {
    content: '→';
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--accent);
}

.step-card:last-child::after {
    display: none;
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-question {
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 30px 25px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
}

/* Testimonials */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 40px;
    transition: all 0.4s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: var(--accent);
}

.testimonial-stars {
    color: #F59E0B;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1.05rem;
    margin-bottom: 25px;
    line-height: 1.8;
    color: var(--text-muted);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.testimonial-name {
    font-weight: 600;
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Blog Cards */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.15);
    border-color: var(--accent);
}

.blog-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.blog-card-content {
    padding: 30px;
}

.blog-card-meta {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 15px;
}

.blog-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.blog-card h3 a {
    color: var(--text-light);
}

.blog-card h3 a:hover {
    color: var(--accent);
}

.blog-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.blog-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Footer */
.site-footer {
    background: var(--bg-dark-secondary);
    border-top: 1px solid var(--border-dark);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 15px;
    display: inline-block;
}

.footer-brand p {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-light);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-dim);
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin: 0;
}

.footer-legal a {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-left: 25px;
}

.footer-legal a:hover {
    color: var(--accent);
}

/* Page Styles */
.page-hero {
    padding: 150px 0 80px;
    background: var(--bg-dark-secondary);
    text-align: center;
}

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

.page-content-section {
    padding: 80px 0;
}

.page-content {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 50px;
}

.page-content h2, .page-content h3, .page-content h4 {
    margin: 30px 0 15px;
}

.page-content ul, .page-content ol {
    margin: 20px 0;
    padding-left: 30px;
    color: var(--text-muted);
}

.page-content li {
    margin-bottom: 10px;
}

/* Single Post */
.single-post-hero {
    padding: 150px 0 60px;
    background: var(--bg-dark-secondary);
}

.post-meta {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin-bottom: 20px;
}

.single-post-content {
    padding: 80px 0;
}

.post-content {
    background: var(--card-bg);
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    padding: 50px;
}

.post-content h2, .post-content h3, .post-content h4 {
    margin: 30px 0 15px;
}

.post-content p {
    margin-bottom: 20px;
    line-height: 1.9;
}

.post-content ul, .post-content ol {
    margin: 20px 0;
    padding-left: 30px;
    color: var(--text-muted);
}

.post-content li {
    margin-bottom: 10px;
}

/* 404 Page */
.error-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
}

.error-content {
    text-align: center;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 20px;
}

.error-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

/* Blog Archive */
.blog-hero {
    padding: 150px 0 80px;
    background: var(--bg-dark-secondary);
    text-align: center;
}

.blog-archive-section {
    padding: 80px 0;
}

/* Responsive */
@media (max-width: 992px) {
    .zigzag-row, .zigzag-row.reverse {
        flex-direction: column;
        gap: 50px;
    }

    .hero-stats {
        gap: 30px;
    }

    .step-card::after {
        display: none;
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }

    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }

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

    .btn {
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    .benefit-card {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal a {
        margin: 0 12px;
    }
}