:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --border: rgba(255, 255, 255, 0.06);
    --text: #ffffff;
    --text-secondary: #757575;
    --accent: #3b82f6;
    --accent-dim: rgba(59, 130, 246, 0.1);
    --font-main: 'Archivo', -apple-system, system-ui, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    max-width: 100vw;
}

/* Grid Background */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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: 60px 60px;
    z-index: -1;
    opacity: 0;
}

.gradient-orb {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.08), transparent 70%);
    filter: blur(100px);
    pointer-events: none;
    z-index: -1;
    opacity: 0;
}

.orb-1 { top: -300px; left: -200px; }
.orb-2 { bottom: -300px; right: -200px; }

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateY(-20px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text);
}

.logo-mark {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: color 0.2s;
    letter-spacing: 0.3px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 2rem 3rem;
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.mobile-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu ul li {
    margin-bottom: 1.5rem;
}

.mobile-menu ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 400;
    transition: color 0.2s;
    letter-spacing: 0.3px;
}

.mobile-menu ul li a:hover,
.mobile-menu ul li a.active {
    color: var(--text);
}

/* Hero Section */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: 12rem 3rem 8rem;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(20px);
}

.hero h1 {
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 2rem;
    max-width: 900px;
    opacity: 0;
    transform: translateY(30px);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 650px;
    line-height: 1.7;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
}

.btn {
    padding: 1rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* Content Sections */
.section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 8rem 3rem;
}

.section-header {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(30px);
}

.section-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
}

/* Three Column Grid */
.three-col-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2.5rem;
    opacity: 0;
    transform: translateY(30px);
}

.card-label {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.card-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Comparison Table */
.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.comparison-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2.5rem;
    opacity: 0;
    transform: scale(0.98);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.comparison-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.comparison-badge {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
}

.badge-old {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.badge-new {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.comparison-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
}

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

.comparison-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.comparison-value {
    font-size: 0.95rem;
    font-family: var(--font-mono);
}

/* Footer */
footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 3rem;
    border-top: 1px solid var(--border);
}

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

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

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .nav-container,
    .hero,
    .section {
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .three-col-grid {
        grid-template-columns: 1fr;
    }

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

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

    .mobile-menu-toggle {
        display: block;
    }

    .mobile-menu {
        display: block;
    }

    .hero {
        padding-top: 10rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
}