/* ============================
   HERO CANVAS
   ============================ */

#heroCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    animation: canvasFadeIn 2s ease forwards 1s;
}
@keyframes canvasFadeIn {
    to { opacity: 1; }
}
.hero .container { position: relative; z-index: 1; }

/* ============================
   HERO
   ============================ */

.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; padding-top: 5rem; position: relative;
}
.hero-grid-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-image:
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black, transparent);
    pointer-events: none;
}

.hero-label {
    font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--accent-orange); margin-bottom: 2rem;
    opacity: 0; animation: fadeSlideUp 0.6s ease forwards 0.2s;
    transition: color 0.5s ease;
}
.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 700;
    line-height: 1.05; letter-spacing: -0.02em;
    color: var(--text-primary); margin-bottom: 2rem;
    opacity: 0; animation: fadeSlideUp 0.6s ease forwards 0.4s;
    transition: color 0.5s ease;
}
.hero-title .highlight { color: var(--accent-orange); transition: color 0.5s ease; }

.hero-sub {
    font-size: 0.95rem; line-height: 1.7; color: var(--text-secondary);
    max-width: 520px; margin-bottom: 3rem; font-weight: 300;
    opacity: 0; animation: fadeSlideUp 0.6s ease forwards 0.6s;
    transition: color 0.5s ease;
}
.hero-tagline {
    font-size: 0.85rem; color: var(--text-dim); letter-spacing: 0.03em;
    padding: 1rem 0; border-top: 1px solid var(--steel-border);
    max-width: 520px; font-style: italic;
    opacity: 0; animation: fadeSlideUp 0.6s ease forwards 0.8s;
    transition: color 0.5s ease, border-color 0.5s ease;
}
.hero-tagline span { color: var(--text-secondary); transition: color 0.5s ease; }

/* ============================
   ABOUT
   ============================ */

section { padding: 6rem 0; }

.about-content { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.about-text { font-size: 0.95rem; line-height: 1.8; color: var(--text-secondary); font-weight: 300; transition: color 0.5s ease; }
.about-text p + p { margin-top: 1.5rem; }

.about-meta { display: flex; flex-direction: column; gap: 1.5rem; }
.meta-item {
    padding: 1.25rem; border: 1px solid var(--steel-border); border-radius: 2px;
    background: var(--bg-card); transition: border-color 0.3s ease, background 0.5s ease;
}
.meta-item:hover { border-color: var(--steel-border-hover); background: var(--bg-card-hover); }
.meta-label { font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.5rem; transition: color 0.5s ease; }
.meta-value { font-size: 0.9rem; color: var(--text-primary); font-weight: 400; transition: color 0.5s ease; }

/* ============================
   PROJECT CARDS
   ============================ */

.projects-grid {
    display: flex; flex-direction: column; gap: 1px;
    background: var(--steel-border); border: 1px solid var(--steel-border);
    border-radius: 2px; overflow: hidden;
    transition: background 0.5s ease, border-color 0.5s ease;
}
.project-card {
    display: grid; grid-template-columns: 140px 1fr auto;
    align-items: center; gap: 2rem; padding: 2rem;
    background: var(--bg-card); text-decoration: none; color: inherit;
    transition: background 0.4s ease; cursor: pointer;
    position: relative; overflow: hidden;
}
.project-card::before {
    content: ''; position: absolute; top: 0; left: 0;
    width: 3px; height: 100%; background: var(--accent-orange);
    transform: scaleY(0); transform-origin: top;
    transition: transform 0.4s ease;
}
.project-card:hover { background: var(--bg-card-hover); }
.project-card:hover::before { transform: scaleY(1); }

.project-codename {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem; font-weight: 600; letter-spacing: 0.05em;
    text-transform: uppercase; transition: color 0.5s ease;
}
.project-desc {
    font-size: 0.9rem; color: var(--text-secondary); font-weight: 300;
    line-height: 1.6; transition: color 0.5s ease;
}
.project-meta { display: flex; align-items: center; gap: 1.5rem; }
.project-status {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--text-dim); white-space: nowrap; transition: color 0.5s ease;
}
.status-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-orange); animation: pulse 2s ease infinite;
    transition: background 0.5s ease;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.project-card .thermo-gradient {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        var(--thermo-center) 0%, var(--thermo-mid) 30%, transparent 60%
    );
    opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}
.project-card:hover .thermo-gradient { opacity: 1; }

.project-arrow {
    font-size: 1.2rem; color: var(--text-dim);
    transition: color 0.3s ease, transform 0.3s ease;
}
.project-card:hover .project-arrow { color: var(--accent-orange); transform: translateX(4px); }

/* ============================
   RESPONSIVE — INDEX
   ============================ */

@media (max-width: 768px) {
    .about-content { grid-template-columns: 1fr; gap: 2rem; }
    .project-card { grid-template-columns: 1fr; gap: 0.75rem; padding: 1.5rem; }
    .project-status { order: -1; }
    .project-arrow { display: none; }
}