/* NetBackup 7 Reasons - 엠플 Insight Red Theme */

:root {
    --bg-primary: #0a0a12;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --card-bg: rgba(26, 26, 36, 0.9);
    --text-primary: #f8fafc;
    --text-secondary: #a0aec0;
    --text-tertiary: #718096;
    --accent-primary: #e31937;
    --accent-secondary: #ff4757;
    --accent-gradient: linear-gradient(135deg, #e31937, #ff4757);
    --highlight: #ff6b6b;
    --success: #10b981;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(227, 25, 55, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
}

/* Navigation Buttons */
.nav-buttons {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1000;
}

.nav-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--accent-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: none;
}

.nav-btn:hover {
    transform: translateX(0) scale(1.1);
}

.nav-btn.visible {
    opacity: 1;
    transform: translateX(0);
}

.nav-btn i {
    font-size: 1.25rem;
}

#homeBtn {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
    box-shadow: 0 4px 15px rgba(238, 90, 90, 0.4);
}

#scrollUpBtn, #scrollDownBtn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

#scrollUpBtn:hover, #scrollDownBtn:hover {
    background: var(--accent-primary);
    color: white;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 18, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
}

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

.logo-icon {
    height: 24px;
    width: auto;
}

.logo span {
    font-size: 1.1rem;
    color: var(--accent-secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
    position: relative;
    background: radial-gradient(ellipse at center bottom, rgba(227, 25, 55, 0.15) 0%, transparent 70%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23e31937" opacity="0.1"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

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

.report-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 60px;
    margin-bottom: 2.5rem;
    border: 1px solid rgba(227, 25, 55, 0.3);
}

.badge-logo {
    height: 40px;
    width: auto;
}

.badge-text {
    text-align: left;
}

.badge-label {
    display: block;
    font-size: 0.75rem;
    color: var(--accent-secondary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.badge-title {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.main-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.main-title .highlight {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.hero-meta i {
    color: var(--accent-secondary);
}

/* Content Sections */
.content-section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.content-section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 700;
}

.content-section h2 .highlight {
    color: var(--accent-secondary);
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.section-dark {
    background: var(--bg-secondary);
    max-width: 100%;
    padding: 5rem 2rem;
}

.section-dark > * {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.section-alt {
    background: rgba(227, 25, 55, 0.05);
    max-width: 100%;
    padding: 5rem 2rem;
}

.section-alt > * {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Overview Stats */
.overview-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.stat-item {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.stat-icon i {
    font-size: 1.75rem;
    color: white;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

/* Reasons Container */
.reasons-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.reason-card {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.reason-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.reason-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.5;
    line-height: 1;
    flex-shrink: 0;
}

.reason-content {
    flex: 1;
}

.reason-icon {
    width: 50px;
    height: 50px;
    background: rgba(227, 25, 55, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.reason-icon i {
    font-size: 1.5rem;
    color: var(--accent-secondary);
}

.reason-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.reason-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.reason-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(227, 25, 55, 0.15);
    color: var(--accent-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-category {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.category-header i {
    font-size: 1.5rem;
    color: var(--accent-secondary);
}

.category-header h4 {
    font-size: 1rem;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.feature-list li i {
    color: var(--success);
    margin-top: 2px;
    flex-shrink: 0;
}

/* Comparison Table */
.comparison-table {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.comparison-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
}

.comparison-row.header {
    background: var(--bg-tertiary);
}

.comparison-cell {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-row:last-child .comparison-cell {
    border-bottom: none;
}

.comparison-cell.label {
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-cell.old {
    color: var(--text-tertiary);
    text-align: center;
}

.comparison-cell.new {
    text-align: center;
    color: var(--text-secondary);
}

.comparison-cell.new.highlight {
    color: var(--accent-secondary);
    font-weight: 600;
}

.comparison-row.header .comparison-cell {
    font-weight: 700;
    text-align: center;
}

.comparison-row.header .comparison-cell:first-child {
    text-align: left;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.benefit-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: rgba(227, 25, 55, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.benefit-icon i {
    font-size: 1.75rem;
    color: var(--accent-secondary);
}

.benefit-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.benefit-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Conclusion */
.section-conclusion {
    background: linear-gradient(180deg, transparent 0%, rgba(227, 25, 55, 0.1) 100%);
    max-width: 100%;
    padding: 5rem 2rem;
}

.section-conclusion > * {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.conclusion-box {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.conclusion-box p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.conclusion-highlight {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 1.5rem;
    line-height: 1.4;
}

.conclusion-highlight span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-box {
    background: var(--accent-gradient);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
}

.cta-box h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.cta-contact {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cta-contact span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 36px;
}

.footer-brand span {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-secondary);
}

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

.footer-contact {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.footer-copyright {
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }

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

    .hero-meta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .report-badge {
        flex-direction: column;
        text-align: center;
    }

    .badge-text {
        text-align: center;
    }

    .nav-buttons {
        right: 1rem;
        bottom: 1rem;
    }

    .content-section {
        padding: 3rem 1rem;
    }

    .reason-card {
        flex-direction: column;
        gap: 1rem;
    }

    .reason-number {
        font-size: 2rem;
    }

    .overview-stats {
        grid-template-columns: 1fr;
    }

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

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

    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-cell {
        text-align: left !important;
        padding: 0.75rem 1rem;
    }

    .comparison-row.header {
        display: none;
    }

    .comparison-cell.old::before {
        content: '기존: ';
        color: var(--text-tertiary);
    }

    .comparison-cell.new::before {
        content: 'NetBackup 11: ';
        color: var(--accent-secondary);
    }

    .cta-contact {
        flex-direction: column;
        gap: 1rem;
    }
}