.site-header { position: sticky; z-index: 5; top: 0; border-bottom: 1px solid rgb(39 49 60 / 65%); background: rgb(11 12 16 / 82%); backdrop-filter: blur(12px); }
.site-nav { display: flex; min-height: 4.5rem; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 700; }
.brand-mark { display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--color-accent); color: var(--color-accent); font-family: var(--font-mono); }
.nav-links { display: flex; align-items: center; gap: 1.25rem; color: var(--color-muted); font-size: .875rem; }
.nav-contact { padding: .5rem .8rem; border: 1px solid var(--color-border); border-radius: .4rem; color: var(--color-text); }
.menu-button { display: none; }

.hero { padding: 5.5rem 0 3rem; }
.hero-grid, .stack-layout, .journey-layout { display: grid; gap: 3rem; }
.eyebrow, .panel-label { display: flex; align-items: center; gap: .5rem; color: var(--color-accent); font-family: var(--font-mono); font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.status-dot { width: .5rem; height: .5rem; border-radius: 100%; background: var(--color-accent); box-shadow: 0 0 0 4px var(--color-accent-soft); }
.hero h1 { max-width: 11ch; margin: 1.15rem 0 1.25rem; font-size: clamp(2.65rem, 10vw, 5rem); line-height: 1.03; letter-spacing: -.055em; }
.hero-description { max-width: 62ch; color: var(--color-muted); font-size: 1.05rem; }
.hero-description strong { color: var(--color-text); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 2.9rem; align-items: center; justify-content: center; gap: .65rem; padding: .7rem 1rem; border: 1px solid transparent; border-radius: .5rem; font-weight: 600; transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--color-accent); color: var(--color-background); }
.button-primary:hover { background: var(--color-accent-hover); color: var(--color-background); }
.button-secondary { border-color: var(--color-border); background: var(--color-surface); }
.social-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; list-style: none; color: var(--color-muted); font-size: .875rem; }

.hero-panel { padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: linear-gradient(145deg, var(--color-surface), rgb(20 24 33 / 55%)); box-shadow: var(--shadow-card); }
.focus-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin-top: 1rem; }
.focus-card { min-height: 8rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: .75rem; background: rgb(11 12 16 / 50%); }
.focus-card-wide { grid-column: 1 / -1; min-height: 7rem; }
.focus-card-accent { border-color: rgb(102 252 241 / 35%); background: var(--color-accent-soft); }
.focus-index { display: block; margin-bottom: 1.5rem; color: var(--color-accent); font-family: var(--font-mono); font-size: .72rem; }
.focus-card h2 { font-size: 1rem; line-height: 1.25; }
.focus-card p { margin-top: .4rem; color: var(--color-muted); font-size: .8rem; }

.specialties { overflow: hidden; border-block: 1px solid var(--color-border); background: var(--color-surface); }
.specialties-track { display: flex; gap: 1.8rem; padding-block: 1rem; overflow-x: auto; color: var(--color-muted); font-family: var(--font-mono); font-size: .72rem; white-space: nowrap; scrollbar-width: none; }
.specialties-track::-webkit-scrollbar { display: none; }
.specialties-track span::before { margin-right: 1.8rem; color: var(--color-accent); content: "•"; }

.section-heading { display: flex; flex-direction: column; gap: 1rem; justify-content: space-between; margin-bottom: 2rem; }
.section-heading h2, .stack-intro h2, .journey-layout h2, .contact-card h2 { margin-top: .45rem; font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p { max-width: 46ch; color: var(--color-muted); }
.text-link { color: var(--color-accent); font-weight: 600; }
.featured-projects, .repository-grid { display: grid; gap: 1rem; }
.project-skeleton { min-height: 15rem; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: linear-gradient(110deg, var(--color-surface) 8%, var(--color-surface-strong) 18%, var(--color-surface) 33%); background-size: 200% 100%; animation: loading 1.5s linear infinite; }
.project-skeleton-featured { min-height: 21rem; }
@keyframes loading { to { background-position-x: -200%; } }
.no-script-message { padding: 1rem; border-left: 2px solid var(--color-accent); color: var(--color-muted); }
.no-script-message a { color: var(--color-accent); }

.project-card { min-width: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); box-shadow: var(--shadow-card); }
.project-card-featured { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); min-height: 22rem; }
.project-card-featured.project-card-reverse .project-visual { order: 2; }
.project-card-featured.project-card-reverse .project-content { order: 1; }
.project-content { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: clamp(1.25rem, 4vw, 2.25rem); }
.project-meta { display: flex; min-height: 1.2rem; align-items: center; justify-content: space-between; gap: .75rem; }
.project-date { color: var(--color-accent); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.project-title { margin-top: .6rem; font-size: clamp(1.35rem, 3vw, 1.9rem); line-height: 1.15; }
.project-description { margin-top: .85rem; color: var(--color-muted); font-size: .95rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: 1.1rem; list-style: none; }
.project-tag { padding: .3rem .55rem; border: 1px solid var(--color-border); border-radius: 999px; color: var(--color-muted); font-family: var(--font-mono); font-size: .68rem; }
.project-actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; margin-top: 1.4rem; }
.project-actions a { position: relative; display: inline-flex; align-items: center; gap: .55rem; padding: .65rem .95rem; border: 1px solid var(--color-border); border-radius: .5rem; background: var(--color-background); color: var(--color-text); font-size: .82rem; font-weight: 600; overflow: hidden; isolation: isolate; transform: translateY(0); transition: transform .28s cubic-bezier(.2,.8,.2,1), border-color .28s ease, color .28s ease, background-color .28s ease, box-shadow .28s ease; }
.project-actions a::before { position: absolute; z-index: -1; top: 0; bottom: 0; left: -120%; width: 70%; background: linear-gradient(90deg, transparent, var(--color-accent-soft), transparent); content: ""; transform: skewX(-18deg); transition: left .55s cubic-bezier(.2,.8,.2,1); }
.project-actions a::after { display: inline-block; margin-left: .1rem; color: currentColor; content: "↗"; transform: translate(0, 0); transition: transform .28s cubic-bezier(.2,.8,.2,1); }
.project-actions a:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-surface-strong); transform: translateY(-4px); box-shadow: 0 .75rem 1.6rem rgb(0 0 0 / 26%), 0 0 0 .15rem var(--color-accent-soft); }
.project-actions a:hover::before { left: 135%; }
.project-actions a:hover::after { transform: translate(.28rem, -.2rem); }
.project-actions a:active { transform: translateY(-1px) scale(.97); box-shadow: 0 .3rem .7rem rgb(0 0 0 / 22%); }
.project-actions a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.project-actions a.project-demo-link { color: var(--color-muted); }
.project-actions a.project-demo-link:hover { color: var(--color-accent); }
.project-visual { position: relative; min-height: 22rem; overflow: hidden; border-right: 1px solid var(--color-border); background: radial-gradient(circle at 20% 20%, rgb(102 252 241 / 12%), transparent 35%), var(--color-background); }
.project-card-reverse .project-visual { border-right: 0; border-left: 1px solid var(--color-border); }
.project-visual::before, .project-visual::after { position: absolute; border: 1px solid rgb(102 252 241 / 14%); content: ""; }
.project-visual::before { inset: 18% 12%; transform: rotate(-4deg); }
.project-visual::after { inset: 30% 20%; transform: rotate(3deg); }
.project-visual-header { position: absolute; top: 12%; right: 12%; left: 12%; display: flex; gap: .35rem; }
.project-visual-dot { width: .4rem; height: .4rem; border-radius: 50%; background: var(--color-accent); opacity: .7; }
.project-visual-body { position: absolute; inset: 25% 18%; display: flex; flex-direction: column; justify-content: center; gap: .7rem; padding: 1rem; border: 1px solid rgb(102 252 241 / 22%); border-radius: 1rem; background: rgb(20 24 33 / 75%); transform: rotate(-2deg); }
.project-visual-label { color: var(--color-accent); font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; }
.project-visual-line { display: block; width: 82%; height: .45rem; border-radius: 999px; background: rgb(169 181 194 / 25%); }
.project-visual-line-short { width: 54%; }
.project-visual-index { margin-top: .5rem; color: rgb(243 247 247 / 55%); font-family: var(--font-mono); font-size: 2.2rem; font-weight: 600; }
.project-fallback { padding: 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius-card); background: var(--color-surface); color: var(--color-muted); }
.project-fallback a { color: var(--color-accent); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .project-actions a, .project-actions a::before, .project-actions a::after { transition: none; }
  .project-actions a:hover { transform: none; }
}

.stack-section { background: var(--color-surface); }
.stack-intro p:not(.eyebrow) { max-width: 50ch; margin-top: 1rem; color: var(--color-muted); }
.stack-groups { display: grid; gap: .75rem; }
.stack-groups article { padding: 1rem; border: 1px solid var(--color-border); border-radius: .7rem; }
.stack-groups h3 { font-size: .8rem; }
.stack-groups p { margin-top: .5rem; color: var(--color-muted); font-size: .85rem; }

.process-list { display: grid; gap: 1rem; list-style: none; }
.process-list li { padding: 1.25rem; border-top: 1px solid var(--color-border); }
.process-list span { color: var(--color-accent); font-family: var(--font-mono); font-size: .75rem; }
.process-list h3 { margin-top: 1rem; font-size: 1.1rem; }
.process-list p { margin-top: .5rem; color: var(--color-muted); font-size: .9rem; }

.timeline { display: grid; gap: 1.5rem; list-style: none; }
.timeline li { position: relative; display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding-left: 1rem; }
.timeline li::before { position: absolute; top: .55rem; left: 0; width: .5rem; height: .5rem; border: 2px solid var(--color-accent); border-radius: 50%; background: var(--color-background); content: ""; }
.timeline time { color: var(--color-accent); font-family: var(--font-mono); font-size: .72rem; }
.timeline h3 { font-size: 1rem; }
.timeline p { margin-top: .3rem; color: var(--color-muted); font-size: .9rem; }

.contact-section { padding-top: 2rem; }
.contact-card { display: flex; flex-direction: column; gap: 2rem; padding: 2rem; border: 1px solid rgb(102 252 241 / 35%); border-radius: var(--radius-card); background: linear-gradient(135deg, var(--color-surface), var(--color-accent-soft)); }
.contact-card p:not(.eyebrow) { max-width: 48ch; margin-top: 1rem; color: var(--color-muted); }
.site-footer { padding: 2rem 0; border-top: 1px solid var(--color-border); color: var(--color-muted); font-size: .8rem; }
.footer-content, .footer-content div { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; }
.footer-content div { justify-content: flex-start; }