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

:root {
    --bg-primary: #0a0a0c;
    --bg-secondary: #141416;
    --bg-card: #1a1a1e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #ffffff;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    --transition: all 0.3s ease;
    --glow-white: rgba(255, 255, 255, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

/* Header / Navigation Bar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 1rem 0;
}

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

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}

.header-center {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
}

.header-right {
    display: flex;
    align-items: center;
}

.cta-button {
    background-color: var(--accent);
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    font-family: 'Space Grotesk', sans-serif;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent);
    color: var(--bg-primary);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25), 0 0 40px rgba(255, 255, 255, 0.1);
}

/* Hero Graphic */
.hero-graphic {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-shape {
    position: absolute;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    transform: rotate(15deg);
}

.shape-2 {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    top: 60%;
    left: 30%;
    animation-delay: 1s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    border-radius: 12px;
    top: 30%;
    right: 20%;
    animation-delay: 2s;
    transform: rotate(-10deg);
}

.shape-4 {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    bottom: 20%;
    right: 35%;
    animation-delay: 3s;
    transform: rotate(25deg);
}

.glow-effect {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

.glow-1 {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.15);
    top: 25%;
    left: 25%;
    animation-delay: 0s;
}

.glow-2 {
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    bottom: 30%;
    right: 25%;
    animation-delay: 2s;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.1);
    }
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background-color: var(--bg-secondary);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    font-family: 'Space Grotesk', sans-serif;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    z-index: -1;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'Space Grotesk', sans-serif;
}

.feature-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

/* Performance Section */
.performance {
    padding: 6rem 2rem;
    background-color: var(--bg-primary);
}

.performance-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benchmark-card {
    background-color: rgba(26, 26, 30, 0.6);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.benchmark-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

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

.benchmark-chart {
    margin-bottom: 1.5rem;
}

.bar-container {
    margin-bottom: 1.5rem;
}

.bar-label {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.bar-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bar {
    height: 32px;
    border-radius: 8px;
    transition: width 1s ease;
}

.bar-leather {
    background-color: var(--accent);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.bar-other {
    background-color: var(--text-muted);
}

.bar-value {
    font-weight: 600;
    font-size: 0.95rem;
    min-width: 80px;
}

.benchmark-footer {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.performance-title {
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.performance-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* About Section */
.about {
    padding: 6rem 2rem;
    background-color: var(--bg-secondary);
}

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

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

.about-editorial {
    display: grid;
    grid-template-columns: 40% 60%;
    gap: 4rem;
    margin-bottom: 3rem;
}

.about-vision {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.vision-headline {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.vision-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
}

.feature-row {
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

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

.feature-row:hover {
    padding-left: 0.5rem;
}

.feature-number {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

.about-compatibility {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px dashed var(--border);
}

.compatibility-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* FAQ Section */
.faq {
    padding: 6rem 2rem;
    background-color: var(--bg-primary);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list {
    margin-top: 3rem;
}

.faq-item {
    border-bottom: 1px dashed var(--border);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    transition: var(--transition);
}

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

.faq-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

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

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px dashed var(--border);
    padding: 4rem 2rem 2rem;
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    font-family: 'Space Grotesk', sans-serif;
}

.footer-brand-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 350px;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-link-header {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.footer-link {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px dashed var(--border);
}

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

.footer-disclaimer {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem;
    max-width: 600px;
    width: 100%;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
}

.modal-body p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.modal-body a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.modal-body a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .performance-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-editorial {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .header-center {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 1.5rem;
        flex-wrap: wrap;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-graphic {
        display: none;
    }
    
    .about-editorial {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .performance-title {
        font-size: 1.5rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-left {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .brand-name {
        font-size: 1rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-graphic {
        display: none;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .feature-card,
    .about-card,
    .benchmark-card {
        padding: 1.5rem;
    }
}