/* ============================================
   Andrew Fennell Portfolio - Shared Styles
   ============================================ */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #7b68ee;
    --primary-glow: rgba(123, 104, 238, 0.4);
    --primary-rgb: 123, 104, 238;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --bg-dark: #0a0a0f;
    --bg-gradient-1: #0a0a0f;
    --bg-gradient-2: #12121a;
    --bg-gradient-3: #0d0d14;
}

body {
    min-height: 100vh;
    background: var(--bg-dark);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
    color: var(--text-primary);
}

/* ============================================
   Navigation
   ============================================ */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 24px 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.9) 0%, transparent 100%);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

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

.nav-links a.active::after {
    width: 100%;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
    padding: 16px 36px;
    background: var(--primary);
    border: none;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--primary-glow);
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px var(--primary-glow);
}

.btn-secondary {
    padding: 16px 36px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Canvas (shared)
   ============================================ */
canvas {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ============================================
   Social Links
   ============================================ */
.social-links {
    position: fixed;
    bottom: 40px;
    left: 48px;
    display: flex;
    gap: 20px;
    z-index: 10;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
}

.social-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.social-links svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(8px);
    }
}

/* ============================================
   Page Header (for inner pages)
   ============================================ */
.page-header {
    padding: 120px 48px 60px;
    text-align: center;
    position: relative;
    z-index: 10;
}

.page-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.page-title .highlight {
    background: linear-gradient(135deg, var(--primary) 0%, #9f8fff 50%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 2px 10px rgba(123, 104, 238, 0.4));
}

.page-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    nav {
        padding: 16px 16px;
        background: linear-gradient(180deg, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.8) 80%, transparent 100%);
    }

    .nav-links {
        display: flex;
        gap: 24px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-links a {
        font-size: 0.85rem;
        padding: 8px 4px;
    }

    .social-links {
        display: flex;
        left: 50%;
        transform: translateX(-50%);
        bottom: 24px;
        gap: 28px;
    }

    .page-header {
        padding: 100px 24px 40px;
    }
}