/* ============================================
   SAM HOFMANN — PERSONAL PORTFOLIO
   Dark & Moody / Cyan Neon / Smooth Animations
   ============================================ */

:root {
    --bg-deep: #060a10;
    --bg-primary: #0a0f1a;
    --bg-card: #0d1525;
    --bg-card-hover: #111d33;
    --border: #1a2744;
    --border-glow: #0ef2f244;
    --text-primary: #e8edf5;
    --text-secondary: #7a8ba8;
    --text-muted: #4a5a75;
    --accent: #0ef2f2;
    --accent-dim: #0bbdbd;
    --accent-glow: #0ef2f233;
    --accent-glow-strong: #0ef2f266;
    --accent-secondary: #6366f1;
    --danger: #f04858;
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-mono: 'Space Mono', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 17px;
    font-weight: 400;
}

a { color: inherit; text-decoration: none; }

/* ---- Particle Background ---- */
#particles {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ---- Navbar ---- */
#navbar {
    position: fixed; top: 0; left: 0; right: 0;
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 2.5rem;
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
    background: #060a10dd;
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border);
}
.nav-logo {
    font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 900;
    letter-spacing: 2px;
}
.nav-links {
    list-style: none; display: flex; gap: 0.25rem; align-items: center;
}
.nav-links a {
    font-family: var(--font-body);
    font-size: 0.92rem; font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition), background var(--transition);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
    background: var(--accent-glow);
}
.nav-yt {
    border: 1px solid var(--accent) !important;
    color: var(--accent) !important;
    margin-left: 0.5rem;
}
.nav-yt:hover {
    background: var(--accent) !important;
    color: var(--bg-deep) !important;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.hamburger span {
    width: 26px; height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ---- Shared ---- */
.accent { color: var(--accent); }
.accent-glow {
    color: var(--accent);
    text-shadow: 0 0 30px var(--accent-glow-strong), 0 0 60px var(--accent-glow);
}

.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.8rem; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    padding: 0.85rem 2rem;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer; border: none;
}
.btn-primary {
    background: var(--accent);
    color: var(--bg-deep);
    box-shadow: 0 0 20px var(--accent-glow), 0 4px 20px #00000066;
}
.btn-primary:hover {
    box-shadow: 0 0 40px var(--accent-glow-strong), 0 4px 30px #00000088;
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
}
.btn-outline:hover {
    background: var(--accent-glow);
    transform: translateY(-2px);
}

.section-header {
    text-align: center; margin-bottom: 3.5rem;
}
.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700; letter-spacing: 2px;
}
.section-sub {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 0.5rem;
}
.section-line {
    width: 60px; height: 3px;
    background: var(--accent);
    margin: 1rem auto 0;
    border-radius: 4px;
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ---- Hero ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    padding: 2rem;
    z-index: 1;
}
.hero-content { max-width: 800px; }
.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}
.hero-title {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1.5rem;
}
.hero-title .line {
    display: block;
    font-size: clamp(3rem, 10vw, 7rem);
}
.hero-sub {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-scroll-indicator {
    position: absolute; bottom: 2.5rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.hero-scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.65rem; letter-spacing: 3px;
    color: var(--text-muted); text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 50px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ---- Overview Cards ---- */
.overview {
    position: relative; z-index: 1;
    padding: 6rem 2.5rem;
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}
.overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    display: flex; flex-direction: column;
    position: relative;
    overflow: hidden;
}
.overview-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}
.overview-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px #00000055, 0 0 30px var(--accent-glow);
}
.overview-card:hover::before { opacity: 1; }
.card-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.overview-card h3 {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 700;
    letter-spacing: 1.5px; text-transform: uppercase;
    margin-bottom: 0.75rem;
}
.overview-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    flex: 1;
    margin-bottom: 1.5rem;
}
.card-link {
    font-family: var(--font-display);
    font-size: 0.72rem; font-weight: 600;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--accent);
}

/* ---- YouTube Section ---- */
.yt-section {
    position: relative; z-index: 1;
    padding: 6rem 2.5rem;
    background: linear-gradient(180deg, transparent, #0a0f1a55, transparent);
}
.yt-embed-wrapper { max-width: 800px; margin: 0 auto; }
.yt-placeholder {
    aspect-ratio: 16/9;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    position: relative;
}
.yt-placeholder::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.3;
}
.yt-placeholder-content {
    position: relative; text-align: center; z-index: 1;
}
.yt-icon {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-deep);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 0 30px var(--accent-glow-strong);
}
.yt-placeholder-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem; font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}
.yt-placeholder-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ---- Page Header (inner pages) ---- */
.page-header {
    position: relative; z-index: 1;
    padding: 10rem 2.5rem 4rem;
    text-align: center;
}
.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900; letter-spacing: 3px;
}
.page-header .page-sub {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 0.75rem;
    max-width: 600px; margin-left: auto; margin-right: auto;
}

/* ---- Content Sections ---- */
.content-section {
    position: relative; z-index: 1;
    padding: 3rem 2.5rem 6rem;
    max-width: 900px;
    margin: 0 auto;
}
.content-section p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.content-section strong { color: var(--text-primary); font-weight: 600; }
.content-section h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    margin: 3rem 0 1rem;
}

/* ---- Timeline ---- */
.timeline {
    position: relative;
    padding-left: 2.5rem;
    margin-top: 2rem;
}
.timeline::before {
    content: '';
    position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border), transparent);
}
.timeline-item {
    position: relative;
    padding-bottom: 2.5rem;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem; top: 0.35rem;
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
    border: 2px solid var(--bg-deep);
}
.timeline-item h4 {
    font-family: var(--font-display);
    font-size: 0.85rem; font-weight: 700;
    letter-spacing: 1.5px;
    margin-bottom: 0.25rem;
}
.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-dim);
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}
.timeline-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ---- Skills / Tags ---- */
.skill-tags {
    display: flex; flex-wrap: wrap; gap: 0.6rem;
    margin-top: 1.5rem;
}
.skill-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 1px;
    padding: 0.4rem 1rem;
    border: 1px solid var(--border);
    border-radius: 100px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.skill-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

/* ---- Photo Gallery ---- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2.5rem 6rem;
    position: relative; z-index: 1;
}
.gallery-item {
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}
.gallery-item:hover {
    border-color: var(--border-glow);
    transform: scale(1.02);
    box-shadow: 0 8px 30px #00000044, 0 0 20px var(--accent-glow);
}
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.gallery-placeholder {
    display: flex; flex-direction: column;
    align-items: center; gap: 0.5rem;
    padding: 1rem;
    text-align: center;
}
.gallery-placeholder-icon { font-size: 1.8rem; opacity: 0.5; }

/* ---- Hobby Detail Card ---- */
.hobby-detail {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}
.hobby-detail:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 20px var(--accent-glow);
}
.hobby-detail h3 {
    margin-top: 0;
}

/* ---- Stat Bar ---- */
.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
}
.stat-value {
    font-family: var(--font-display);
    font-size: 2rem; font-weight: 900;
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
}
.stat-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-top: 0.25rem;
    text-transform: uppercase;
}

/* ---- Footer ---- */
footer {
    position: relative; z-index: 1;
    border-top: 1px solid var(--border);
    padding: 3rem 2.5rem;
    text-align: center;
}
.footer-logo {
    font-family: var(--font-display);
    font-size: 1.8rem; font-weight: 900;
    margin-bottom: 0.5rem;
}
.footer-tagline {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}
.footer-links {
    display: flex; flex-wrap: wrap; gap: 1.5rem;
    justify-content: center; margin-bottom: 2rem;
}
.footer-links a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: color var(--transition);
    letter-spacing: 1px;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ---- Animations ---- */
[data-anim] {
    opacity: 0;
    transform: translateY(30px);
}
[data-anim].visible {
    animation: fadeUp 0.7s ease forwards;
}
[data-anim][data-delay="1"].visible { animation-delay: 0.15s; }
[data-anim][data-delay="2"].visible { animation-delay: 0.3s; }
[data-anim][data-delay="3"].visible { animation-delay: 0.45s; }
[data-anim][data-delay="4"].visible { animation-delay: 0.6s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    #navbar { padding: 1rem 1.5rem; }
    .hamburger { display: flex; }
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 280px; height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0.25rem;
        border-left: 1px solid var(--border);
        transition: right var(--transition-slow);
    }
    .nav-links.open { right: 0; }
    .nav-links a { padding: 0.75rem 1rem; width: 100%; }
    .hero-title .line { font-size: clamp(2.5rem, 12vw, 4rem); }
    .overview { padding: 4rem 1.5rem; }
    .card-grid { grid-template-columns: 1fr; }
    .content-section { padding: 2rem 1.5rem 4rem; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); padding: 0 1.5rem 4rem; }
    .page-header { padding: 8rem 1.5rem 3rem; }
    .stat-row { grid-template-columns: 1fr 1fr; }
}

/* ---- Edit Mode Notice ---- */
.edit-notice {
    position: relative; z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2.5rem;
}
.edit-notice-box {
    background: var(--bg-card);
    border: 1px dashed var(--accent-dim);
    border-radius: var(--radius);
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}
.edit-notice-box .icon { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.edit-notice-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}
.edit-notice-box code {
    background: #1a2744;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
}
/* ---- Music Page: Spotify Grid ---- */
.spotify-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0 2.5rem;
}
.spotify-embed {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

/* ---- Music Page: Media Grid ---- */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}