:root {
    --bg-base: #f8f9fa;
    --bg-white: #ffffff;
    --bg-black: #101828;
    --text-main: #181618;
    --text-muted: #5e6a7c;
    --accent-green: #2eff9b;
    --accent-green-dark: #11a683;
    --border-color: #e6e5de;
    --border-dark: #364153;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Anton', impact, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Subtle grid background like Koyeb */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 100px 100px;
    opacity: 0.6;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Typography */
h1, h2, h3, .tagline {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem auto;
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.mono {
    font-family: var(--font-mono);
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-main);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.nav-links a:not(.btn):hover {
    color: var(--accent-green-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn.lg {
    padding: 1rem 2.5rem;
    font-size: 1.2rem;
}

.btn-primary {
    background-color: var(--text-main);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--bg-white);
    color: var(--text-main);
    border-color: var(--text-main);
    box-shadow: 4px 4px 0 var(--text-main);
    transform: translate(-2px, -2px);
}

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

.btn-secondary:hover {
    background-color: var(--text-main);
    color: var(--bg-white);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.tagline {
    display: inline-block;
    background: var(--accent-green);
    color: var(--text-main);
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    border-radius: 20px;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-terminal {
    background: var(--bg-black);
    border-radius: 8px;
    width: 100%;
    max-width: 700px;
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3);
    overflow: hidden;
    color: #e6e5de;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-top: 2rem;
    border: 1px solid var(--border-dark);
}

.terminal-header {
    background: #181618;
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-dark);
}

.red-dot, .yellow-dot, .green-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.red-dot { background: #ff5f56; }
.yellow-dot { background: #ffbd2e; }
.green-dot { background: #27c93f; }

.terminal-body {
    padding: 1.5rem;
    line-height: 1.5;
}

.terminal-body .prompt {
    color: var(--accent-green);
    margin-right: 0.5rem;
}

.terminal-body .comment {
    color: #6e7681;
}

.terminal-body .success {
    color: var(--accent-green);
}

/* Sections */
.info-section {
    padding: 6rem 0;
    position: relative;
    border-top: 1px solid var(--border-color);
}

.bg-light {
    background: var(--bg-white);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.single-card {
    grid-template-columns: minmax(300px, 450px);
    justify-content: center;
}

/* Cards */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    text-align: left;
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--text-main);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-green);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover::before {
    opacity: 1;
}

.card-badge {
    position: absolute;
    top: -12px;
    left: 2rem;
    background: var(--accent-green);
    color: var(--text-main);
    font-family: var(--font-heading);
    padding: 0.15rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    border: 1px solid var(--text-main);
}

.bg-black {
    background: var(--text-main);
    color: var(--bg-white);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-indicator.online {
    background-color: var(--accent-green-dark);
    box-shadow: 0 0 0 3px rgba(46, 255, 155, 0.2);
}

.upstream-logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    display: inline-flex;
}

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

.features-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
}

/* Peering Section */
.peering-banner {
    background: var(--bg-black);
    padding: 6rem 0;
    border-top: 1px solid var(--border-dark);
}

.text-white { color: var(--bg-white); }
.text-gray { color: #8b949e; }

.peering-banner .btn-primary {
    background: var(--accent-green);
    color: var(--text-main);
}

.peering-banner .btn-primary:hover {
    background: var(--bg-white);
    color: var(--text-main);
    box-shadow: 4px 4px 0 var(--accent-green);
}

/* Footer */
footer {
    background: var(--bg-base);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-cta { flex-direction: column; }
    .hero { padding: 4rem 0; }
    .hero-terminal { margin-top: 3rem; }
    .info-section { padding: 4rem 0; }
    .container { padding: 0 1rem; }
}