/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1DB954;
    --primary-dim: #1DB95440;
    --dark-1: #0a0a0f;
    --dark-2: #13131f;
    --dark-3: #1a1a2e;
    --text-primary: #E8E8F0;
    --text-secondary: #A0A0B8;
    --border: #2a2a3e;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-1);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ==================== NAVIGATION ==================== */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
}

.logo {
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.nav-system {
    background: var(--primary-dim);
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid var(--primary);
    color: var(--primary) !important;
}

/* ==================== HERO ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-visual {
    margin-bottom: 60px;
}

.placeholder-hero {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
    border-radius: 20px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.placeholder-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        var(--primary-dim) 50%,
        transparent 70%
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.placeholder-text {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.title-main {
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    color: var(--text-secondary);
    font-weight: 400;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== SERVICES ==================== */
.services {
    padding: 120px 0;
}

.section-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary);
    margin-bottom: 60px;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--dark-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 32px var(--primary-dim);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.service-icon {
    font-size: 32px;
}

.status-badge {
    font-size: 11px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card[data-status="protected"] .status-badge {
    color: #FFB84D;
}

.service-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-specs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.spec {
    font-size: 11px;
    background: var(--dark-3);
    padding: 4px 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: transform 0.3s;
}

.service-link:hover {
    transform: translateX(4px);
}

/* ==================== ARCHITECTURE ==================== */
.architecture {
    padding: 120px 0;
    background: var(--dark-2);
}

.placeholder-architecture {
    width: 100%;
    height: 500px;
    background: var(--dark-3);
    border-radius: 20px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.placeholder-architecture::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-dim) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.5; }
}

.placeholder-hint {
    color: var(--text-secondary);
    font-size: 16px;
    z-index: 1;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-badge {
    background: var(--dark-3);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .nav-container {
        padding: 16px 20px;
    }
    
    .nav-links {
        gap: 16px;
        font-size: 12px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}