/* ============================================================
   sections.css — hero, about, expertise, technology,
   project, work, contact, legal
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 85vh;
    max-height: 900px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 64px 0;
}
.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 90% 80% at 30% 40%, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 30% 40%, black 30%, transparent 75%);
}
.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 300px at 20% 30%, rgba(56, 189, 248, 0.06), transparent 70%);
    animation: hero-drift 24s ease-in-out infinite alternate;
}
@keyframes hero-drift {
    from { transform: translateX(-24px); }
    to { transform: translateX(24px); }
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 52% 48%;
    gap: 48px;
    align-items: center;
    width: 100%;
}

.eyebrow {
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 650;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin: 0 0 16px;
}
.hero-name {
    font-size: clamp(2.8rem, 5.6vw, 4.4rem);
    font-weight: 750;
    letter-spacing: -0.03em;
    margin: 0 0 18px;
}
.hero-claim {
    color: var(--text-secondary);
    font-size: 1.22rem;
    line-height: 1.6;
    max-width: 34rem;
    margin: 0 0 16px;
}
.hero-keywords {
    color: var(--text-muted);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    margin: 0 0 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Photo merges into the dark background: soft left fade, no frame */
.hero-photo {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
}
.hero-photo img {
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    object-position: center 20%;
}
.hero-photo::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, var(--background) 0%, transparent 22%),
        linear-gradient(0deg, rgba(9, 13, 18, 0.35) 0%, transparent 30%);
    pointer-events: none;
}

/* ---------- About ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}
.about-grid p { color: var(--text-secondary); }
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 40px 0 0;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}
.stat-value {
    font-size: 1.7rem;
    font-weight: 750;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
}
.stat-label { margin: 0; color: var(--text-muted); font-size: 0.92rem; }
.stat-location { display: flex; align-items: center; gap: 8px; }
.stat-icon { display: inline-flex; color: var(--accent); }
.stat-icon svg { width: 20px; height: 20px; }

/* ---------- Expertise ---------- */
.expertise-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.expertise-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 30px;
    transition: border-color 0.2s ease, transform 0.2s ease;
}
.expertise-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-3px);
}
.card-title { font-size: 1.2rem; margin: 0 0 10px; }
.card-text { color: var(--text-secondary); margin: 0 0 16px; }
.card-tags {
    margin: 0;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* ---------- Technology ---------- */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.tech-category {
    border-top: 1px solid var(--border-strong);
    padding-top: 22px;
}
.tech-category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.02rem;
    margin: 0 0 16px;
}
.tech-cat-icon { display: inline-flex; color: var(--accent); }
.tech-cat-icon svg { width: 19px; height: 19px; }
.tech-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tech-item {
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    transition: color 0.18s ease, border-color 0.18s ease;
}
.tech-item:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Project ---------- */
.project-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
    align-items: center;
}
.project-visual { display: flex; justify-content: center; }
.project-logo {
    width: 100%;
    max-width: 280px;
    height: auto;
    border: 1px solid var(--border-strong);
    border-radius: 28px;
    background: var(--surface);
}

.project-badge {
    display: inline-block;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 16px;
    margin: 0 0 20px;
}
.project-content p { color: var(--text-secondary); }
.project-tech-title { font-size: 1.02rem; margin: 28px 0 12px; }
.project-tech-list {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.project-tech-list li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
}
.project-actions { margin-bottom: 16px; }
.project-note { color: var(--text-muted) !important; font-size: 0.92rem; }

/* ---------- Work ---------- */
.work-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 64px;
}
.work-item {
    padding: 30px 0;
    border-top: 1px solid var(--border);
}
.work-item h3 { font-size: 1.15rem; margin: 0 0 8px; }
.work-item p { color: var(--text-secondary); margin: 0; max-width: 40rem; }

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: start;
}
.contact-direct {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
}
.contact-direct h3 { font-size: 1.05rem; margin: 0 0 18px; }
.contact-direct p {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 14px;
}
.contact-direct p:last-child { margin-bottom: 0; }
.direct-icon { display: inline-flex; color: var(--accent); flex-shrink: 0; }
.direct-icon svg { width: 20px; height: 20px; }
.contact-direct a { color: var(--text-primary); font-weight: 600; }
.contact-direct a:hover { color: var(--accent); }

/* ---------- Legal / error pages ---------- */
.legal { padding: 88px 32px 110px; max-width: 860px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 20px; }
.legal h2 { font-size: 1.3rem; margin: 40px 0 12px; }
.legal p, .legal address { color: var(--text-secondary); }
.legal address { font-style: normal; line-height: 1.8; }
.legal-note {
    margin-top: 36px;
    padding: 16px 18px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius);
    font-size: 0.92rem;
}
.error-links { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* Anchor offset for sticky header */
section[id], div[id] { scroll-margin-top: calc(var(--header-height) + 16px); }