:root {
    /* Backgrounds */
    --bg-primary: #0F1923;
    --bg-secondary: #0a1118;
    --bg-card: #162232;
    --bg-card-hover: #1C2D3F;

    /* Brand Colors */
    --teal: #2DD4A8;
    --teal-light: #5EEDC5;
    --teal-dark: #1FAF8A;
    --teal-glow: rgba(45, 212, 168, 0.15);
    --teal-ghost: rgba(45, 212, 168, 0.06);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.4);

    /* Borders */
    --border: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.04);

    /* Status */
    --success: #4ade80;
    --warning: #fbbf24;
    --error: #f87171;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(45, 212, 168, 0.08);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
}


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


html {
    scroll-behavior: smooth;
}


body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}


.container--narrow {
    max-width: 800px;
}


.header {
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}


.header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}


.logo {
    display: flex;
    align-items: center;
}


.logo__lockup {
    height: 36px;
    width: auto;
    display: block;
}


.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}


.nav__link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}


.nav__link:hover {
    color: var(--teal-light);
}


.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition-fast);
}


.mobile-nav.active {
    right: 0;
}


.mobile-nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 150;
    opacity: 0;
    transition: opacity var(--transition-base);
}


.mobile-nav__overlay.active {
    display: block;
    opacity: 1;
}


.mobile-nav__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}


.mobile-nav__links {
    list-style: none;
    margin-top: var(--space-3xl);
}


.mobile-nav__link {
    display: block;
    padding: var(--space-md) 0;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}


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

    .menu-toggle {
        display: block;
    }

    .mobile-nav {
        display: block;
    }
}


.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-decoration: none;
}


.btn--primary {
    background: var(--teal);
    color: white;
    box-shadow: var(--shadow-glow);
}


.btn--primary:hover {
    background: var(--teal-light);
    transform: translateY(-1px);
    box-shadow: 0 0 30px var(--teal-glow);
}


.btn--secondary {
    background: transparent;
    color: var(--teal-light);
    border: 2px solid var(--teal);
}


.btn--secondary:hover {
    background: var(--teal);
    color: white;
}


.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}


.btn--lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}


.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
}


.footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
}


.footer__brand {
    max-width: 280px;
}


.footer__logo {
    margin-bottom: var(--space-md);
}


.footer__logo-lockup {
    height: 28px;
    width: auto;
    display: block;
}


.footer__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}


.footer__col-title {
    font-weight: 600;
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
}


.footer__links {
    list-style: none;
}


.footer__link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: block;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}


.footer__link:hover {
    color: var(--teal-light);
}


.footer__bottom {
    max-width: 1200px;
    margin: var(--space-2xl) auto 0;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-muted);
}


@media (max-width: 768px) {
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }

    .footer__brand {
        grid-column: 1 / -1;
    }
}