/* ===================================
   Beth's Portfolio — Main Styles
   =================================== */

/* CSS Variables */
:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #d1fae5;
    --secondary: #6366f1;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1a2e 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-emoji {
    font-size: 1.8rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

/* Hero Section */
.hero {
    padding: 8rem 2rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    min-height: 90vh;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.avatar-container {
    margin-bottom: 2rem;
}

.avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--primary);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

/* Projects Grid */
.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

/* Project Card (Atomic Component) */
.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.card-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-dark);
    border-radius: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Screenshots Grid */
.screenshots-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

/* Screenshot Card (Atomic Component) */
.screenshot-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.screenshot-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.screenshot-image {
    background: var(--bg-dark);
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 3rem;
    position: relative;
}

.screenshot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.screenshot-placeholder {
    text-align: center;
    padding: 2rem;
}

.screenshot-meta {
    padding: 1.5rem;
}

.screenshot-timestamp {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.screenshot-caption {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Section */
.about {
    background: linear-gradient(180deg, transparent 0%, rgba(16, 185, 129, 0.05) 100%);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-align: center;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.skills {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    justify-content: center;
}

.skill-tag {
    padding: 0.5rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.skill-tag:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 7rem 1.5rem 3rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    section {
        padding: 4rem 1.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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