:root {
    --primary: #00daf8;
    --on-primary: #00363f;
    --background: #10141a;
    --surface: #181c22;
    --on-surface: #dfe2eb;
    --on-surface-variant: #c3c5d9;
    --outline: #434656;
    --tertiary: #ffb4a1;
    --max-width: 1440px;
}

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

body {
    background-color: var(--background);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 48px;
    }
}


/* Typography */
h1, h2, h3 {
    font-family: 'Inter', sans-serif;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.05em;
    line-height: 0.9;
}

.label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-size: 11px;
}



/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: rgba(16, 20, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(67, 70, 86, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .nav-container {
        padding: 0 48px;
    }
}

.logo {
    font-size: 20px;
    font-weight: 900;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.05em;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
}

nav {
    display: none;
    gap: 32px;
}

@media (min-width: 1024px) {
    nav {
        display: flex;
    }
}

nav a {
    text-decoration: none;
    color: #94a3b8;
    font-size: 13px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.05em;
    transition: color 0.3s;
    font-family: 'Inter', sans-serif;
}

nav a:hover {
    color: #ffffff;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-action {
    display: none;
    color: var(--on-surface-variant);
    font-size: 20px;
    cursor: pointer;
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .icon-action {
        display: block;
    }
}

.icon-action:hover {
    color: var(--primary);
}


/* Footer */
footer {
    background: #0a0e14;
    padding: 64px 0;
    border-top: 1px solid #1c2026;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand h4 {
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col h5 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--primary);
    margin-bottom: 24px;
}

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

.footer-links a {
    text-decoration: none;
    color: #64748b;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    transition: color 0.3s;
}

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

.footer-bottom {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(28, 32, 38, 0.5);
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        margin-top: 64px;
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #64748b;
}

@media (min-width: 768px) {
    .copyright {
        font-size: 10px;
        letter-spacing: 0.25em;
    }
}

.version-badge {
    display: flex;
    align-items: center;
    gap: 12px;
}

.version-badge span {
    color: var(--primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3em;
}

.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.4;
        transform: scale(1.1);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Decorative Lines - Desktop Only */
@media (min-width: 1024px) {
    .line-v {
        position: absolute;
        top: 0;
        right: 25%;
        width: 1px;
        height: 100%;
        background: rgba(141, 144, 162, 0.2);
        z-index: 5;
    }

    .line-h {
        position: absolute;
        bottom: 25%;
        left: 0;
        width: 100%;
        height: 1px;
        background: rgba(141, 144, 162, 0.2);
        z-index: 5;
    }
}