/* ============================================
   CSS VARIABLES — MIDNIGHT CIRCUIT PALETTE
   ============================================ */
:root {
    --bg:           #0d0d1a;
    --surface:      #13132b;
    --border:       #1e1e3f;
    --accent:       #7c3aed;
    --accent-light: #a78bfa;
    --accent-dim:   #7c3aed22;
    --glow:         #7c3aed88;
    --text:         #e2e8f0;
    --muted:        #94a3b8;

    --font-heading: 'Oxanium', sans-serif;
    --font-body:    'Inter', sans-serif;
    --font-mono:    'JetBrains Mono', monospace;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ============================================
   BASE
   ============================================ */
html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    background-image: radial-gradient(circle, #ffffff09 1px, transparent 1px);
    background-size: 28px 28px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }

p {
    color: var(--muted);
    max-width: 65ch;
}

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent);
}

code, .mono {
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: var(--accent-light);
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
    display: block;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 80px 0;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}

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

.navbar-logo {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
}

.navbar-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.navbar-links a {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted);
    letter-spacing: 0.08em;
    transition: color 0.2s ease;
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--accent-light);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 10px 24px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 0 20px var(--glow);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
}

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

/* ============================================
   FOOTER
   ============================================ */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
}

footer p {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--muted);
    max-width: none;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--muted); }
.text-mono    { font-family: var(--font-mono); }
.glow         { text-shadow: 0 0 20px var(--glow); }


/* ============================================
   MOBILE NAVIGATION
   ============================================ */
.navbar-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.navbar-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s ease;
}

.navbar-hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.navbar-hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
    .navbar-hamburger {
        display: flex;
    }

    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
        gap: 20px;
    }

    .navbar-links.open {
        display: flex;
    }

    .navbar-links a {
        font-size: 0.9rem;
    }

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

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .admin-project-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

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

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

    .post-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .admin-project-actions {
        flex-wrap: wrap;
    }
}