/* ============================================================
   LAYOUT  ·  background, nav, hero, pillars, projects, certs,
   path, reverve, contact, footer
   ============================================================ */

/* ---- animated background ---- */
.bg-fx { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-fx canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.bg-orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; mix-blend-mode: screen; will-change: transform; }
[data-theme="light"] .bg-orb { mix-blend-mode: multiply; opacity: .3; }
.bg-orb--1 { width: 46vw; height: 46vw; background: radial-gradient(circle, var(--brand), transparent 62%); top: -12vw; left: -8vw; }
.bg-orb--2 { width: 40vw; height: 40vw; background: radial-gradient(circle, var(--brand-2), transparent 62%); top: 32vh; right: -10vw; }
.bg-orb--3 { width: 34vw; height: 34vw; background: radial-gradient(circle, var(--web), transparent 64%); bottom: -8vw; left: 24vw; }
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 34px 34px; opacity: .35;
  -webkit-mask-image: radial-gradient(130% 90% at 50% 0%, #000 30%, transparent 78%);
          mask-image: radial-gradient(130% 90% at 50% 0%, #000 30%, transparent 78%);
}
.shell { position: relative; z-index: 2; }

/* custom cursor */
.cursor, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 9998; pointer-events: none; border-radius: 50%; will-change: transform; mix-blend-mode: difference; }
.cursor { width: 30px; height: 30px; border: 1px solid rgba(255,255,255,.7); margin: -15px 0 0 -15px; transition: width .2s var(--ease), height .2s var(--ease), margin .2s var(--ease), background .2s; }
.cursor-dot { width: 4px; height: 4px; margin: -2px 0 0 -2px; background: #fff; }
.cursor.hot { width: 54px; height: 54px; margin: -27px 0 0 -27px; background: rgba(255,255,255,.12); }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-dot { display: none; } }

.progress { position: fixed; top: 0; left: 0; z-index: 950; height: 2px; width: 100%; transform: scaleX(0); transform-origin: 0 50%; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }

/* ---- nav ---- */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 900; display: flex; align-items: center; justify-content: space-between; gap: var(--s4); padding: var(--s4) var(--gutter); transition: background .4s var(--ease), border-color .4s, padding .4s var(--ease); border-bottom: 1px solid transparent; }
.nav.stuck { background: color-mix(in srgb, var(--bg) 80%, transparent); backdrop-filter: blur(16px) saturate(160%); -webkit-backdrop-filter: blur(16px) saturate(160%); border-bottom-color: var(--line-soft); padding-block: var(--s3); }
.brand { display: flex; align-items: center; gap: var(--s3); }
.brand__mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; font-family: var(--f-mono); font-weight: 700; font-size: 14px; color: var(--brand-ink); background: linear-gradient(135deg, var(--brand), var(--brand-2)); box-shadow: 0 6px 18px -8px var(--brand-glow); }
.brand__txt { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--f-display); font-weight: 600; font-size: var(--t-sm); }
.brand__role { font-family: var(--f-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.nav__links { display: flex; align-items: center; gap: 2px; }
.nav__link { padding: 8px 13px; border-radius: 99px; font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .04em; color: var(--ink-3); transition: color .2s, background .2s; }
.nav__link:hover { color: var(--ink); background: var(--surface-2); }
.nav__link.active { color: var(--brand); }
.nav__link--cta { color: var(--brand); border: 1px solid color-mix(in srgb, var(--brand) 40%, transparent); background: var(--brand-glow); }
.nav__link--cta:hover { color: var(--brand-ink); background: var(--brand); }
.nav__actions { display: flex; align-items: center; gap: var(--s2); }
.icon-btn { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line-2); border-radius: 11px; color: var(--ink-2); background: var(--surface); transition: all .2s var(--ease); }
.icon-btn:hover { color: var(--brand); border-color: var(--brand); transform: translateY(-1px); }
.icon-btn svg { width: 18px; height: 18px; }
.nav__toggle { display: none; }

.drawer { position: fixed; inset: 0; z-index: 890; background: color-mix(in srgb, var(--bg) 96%, transparent); backdrop-filter: blur(22px); display: flex; flex-direction: column; justify-content: center; gap: var(--s2); padding: var(--s8) var(--gutter); opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility .4s; }
.drawer.open { opacity: 1; visibility: visible; }
.drawer a { display: flex; align-items: baseline; gap: var(--s4); padding: var(--s3) 0; border-bottom: 1px solid var(--line-soft); font-family: var(--f-display); font-size: var(--t-xl); font-weight: 500; }
.drawer a span { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--brand); }

/* ---- hero ---- */
.hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,.82fr); align-items: center; gap: var(--s8); max-width: var(--maxw); margin-inline: auto; padding: 128px var(--gutter) var(--s8); }
.hero__badge { display: inline-flex; align-items: center; gap: var(--s2); padding: 7px 14px 7px 11px; border: 1px solid var(--line-2); border-radius: 99px; background: var(--surface); font-family: var(--f-mono); font-size: var(--t-xs); color: var(--ink-2); margin-bottom: var(--s5); }
.dotpulse { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); position: relative; }
.dotpulse::after { content:""; position: absolute; inset: 0; border-radius: 50%; background: var(--ok); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0%{transform:scale(1);opacity:.7} 70%,100%{transform:scale(3.4);opacity:0} }

.hero__name { font-family: var(--f-display); font-size: var(--t-4xl); font-weight: 700; letter-spacing: -.045em; line-height: .92; margin-bottom: var(--s4); }
.hero__name .grad { background: linear-gradient(100deg, var(--brand), var(--brand-2) 60%, var(--web)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero__pillars { display: flex; flex-wrap: wrap; gap: var(--s2); margin-bottom: var(--s5); }
.hero__pillar { font-family: var(--f-mono); font-size: var(--t-sm); padding: 7px 14px; border-radius: 99px; border: 1px solid var(--line-2); display: inline-flex; align-items: center; gap: 8px; }
.hero__pillar::before { content:""; width: 8px; height: 8px; border-radius: 50%; background: var(--pc, var(--brand)); box-shadow: 0 0 10px var(--pc, var(--brand)); }
.hero__intro { font-size: var(--t-lg); color: var(--ink-2); max-width: 56ch; line-height: 1.55; margin-bottom: var(--s6); }
.hero__intro strong { color: var(--ink); font-weight: 600; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--s3); margin-bottom: var(--s7); }
.hero__stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); overflow: hidden; }
.hstat { padding: var(--s4); background: var(--bg); }
.hstat__n { font-family: var(--f-display); font-size: var(--t-xl); font-weight: 700; letter-spacing: -.03em; display: flex; align-items: baseline; gap: 1px; }
.hstat__n sup { font-size: .5em; color: var(--brand); }
.hstat__l { font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); margin-top: 3px; }

.hero__side { position: relative; }
.portrait { position: relative; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--line-2); aspect-ratio: 4/4.7; box-shadow: var(--shadow-3); }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; filter: grayscale(.4) contrast(1.04); transition: filter .6s var(--ease), transform .9s var(--ease); }
.portrait:hover img { filter: none; transform: scale(1.04); }
.portrait::after { content:""; position: absolute; inset: 0; background: linear-gradient(to top, color-mix(in srgb, var(--bg) 70%, transparent), transparent 45%); }
.portrait__chip { position: absolute; left: var(--s4); bottom: var(--s4); z-index: 2; display: flex; gap: 6px; flex-wrap: wrap; }
.portrait__chip span { font-family: var(--f-mono); font-size: 10px; padding: 5px 9px; border-radius: 99px; background: color-mix(in srgb, var(--bg) 70%, transparent); border: 1px solid var(--line-2); backdrop-filter: blur(6px); }
.hero__scroll { position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-4); animation: floaty 2.6s var(--ease) infinite; }
.hero__scroll i { width: 1px; height: 32px; background: linear-gradient(var(--brand), transparent); }
@keyframes floaty { 0%,100%{transform:translate(-50%,0)} 50%{transform:translate(-50%,8px)} }

/* ---- marquee ---- */
.marquee { overflow: hidden; border-block: 1px solid var(--line-soft); padding: var(--s4) 0; background: var(--bg-2); }
.marquee__t { display: flex; width: max-content; animation: marq 36s linear infinite; }
.marquee:hover .marquee__t { animation-play-state: paused; }
.marquee__i { display: flex; align-items: center; gap: var(--s5); padding-inline: var(--s5); font-family: var(--f-mono); font-size: var(--t-sm); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
.marquee__i::after { content:"◆"; color: var(--brand); font-size: 7px; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---- pillars ---- */
.pillars { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s4); }
.pillar { position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: var(--s6); overflow: hidden; transition: transform .4s var(--ease), border-color .4s, box-shadow .4s; display: flex; flex-direction: column; }
.pillar:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--pc) 45%, var(--line)); box-shadow: var(--shadow-2); }
.pillar__bar { position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--pc); }
.pillar__glow { position: absolute; top: -40%; right: -30%; width: 240px; height: 240px; border-radius: 50%; background: radial-gradient(circle, rgba(var(--pc-rgb),.18), transparent 68%); pointer-events: none; }
.pillar__n { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--pc); letter-spacing: .14em; }
.pillar__name { font-size: var(--t-xl); font-weight: 600; letter-spacing: -.03em; margin: var(--s2) 0 var(--s2); }
.pillar__tag { color: var(--ink); font-weight: 500; font-size: var(--t-md); margin-bottom: var(--s3); }
.pillar__blurb { color: var(--ink-2); font-size: var(--t-sm); line-height: 1.65; margin-bottom: var(--s4); }
.pillar__skills { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--s5); }
.pillar__skills span { font-family: var(--f-mono); font-size: 11px; padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--ink-3); }
.pillar__cta { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-mono); font-size: var(--t-xs); color: var(--pc); }
.pillar__cta svg { width: 14px; height: 14px; transition: transform .2s var(--ease); }
.pillar:hover .pillar__cta svg { transform: translateX(4px); }

/* ---- projects ---- */
.proj-filters { display: flex; flex-wrap: wrap; gap: var(--s2); margin-bottom: var(--s5); }
.proj-filter { padding: 8px 15px; border: 1px solid var(--line-2); border-radius: 99px; font-family: var(--f-mono); font-size: var(--t-xs); color: var(--ink-3); background: var(--surface); transition: all .2s var(--ease); }
.proj-filter:hover { color: var(--ink); border-color: var(--line-2); }
.proj-filter.on { color: var(--brand-ink); background: var(--brand); border-color: var(--brand); font-weight: 600; }
.proj-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s4); }
.proj { position: relative; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: var(--s6); overflow: hidden; display: flex; flex-direction: column; gap: var(--s3); transition: transform .4s var(--ease), border-color .4s, box-shadow .4s; }
.proj:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--pc) 40%, var(--line)); box-shadow: var(--shadow-2); }
.proj__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--s4); }
.proj__pill { font-family: var(--f-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--pc); }
.proj__name { font-size: var(--t-xl); font-weight: 600; letter-spacing: -.03em; margin-top: 3px; }
.proj__status { flex: none; display: inline-flex; align-items: center; gap: 6px; font-family: var(--f-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; padding: 5px 11px; border-radius: 99px; border: 1px solid; }
.proj__status i { width: 6px; height: 6px; border-radius: 50%; }
.st-live { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, transparent); background: color-mix(in srgb, var(--ok) 12%, transparent); }
.st-live i { background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: pulse2 2s infinite; }
.st-ongoing { color: var(--data); border-color: color-mix(in srgb, var(--data) 45%, transparent); background: color-mix(in srgb, var(--data) 12%, transparent); }
.st-ongoing i { background: var(--data); }
.st-case { color: var(--web); border-color: color-mix(in srgb, var(--web) 45%, transparent); background: color-mix(in srgb, var(--web) 12%, transparent); }
.st-case i { background: var(--web); }
@keyframes pulse2 { 0%,100%{opacity:1} 50%{opacity:.4} }
.proj__summary { font-size: var(--t-md); color: var(--ink); font-weight: 500; }
.proj__detail { font-size: var(--t-sm); color: var(--ink-2); line-height: 1.65; }
.proj__hl { display: flex; flex-direction: column; gap: 6px; }
.proj__hl li { position: relative; padding-left: 20px; font-family: var(--f-mono); font-size: var(--t-xs); color: var(--ink-2); }
.proj__hl li::before { content:"▹"; position: absolute; left: 2px; color: var(--pc); }
.proj__stack { display: flex; flex-wrap: wrap; gap: 6px; }
.proj__stack span { font-family: var(--f-mono); font-size: 11px; padding: 3px 9px; border-radius: 99px; border: 1px solid var(--line-2); color: var(--ink-3); }
.proj__foot { display: flex; align-items: center; justify-content: space-between; gap: var(--s3); margin-top: auto; padding-top: var(--s2); flex-wrap: wrap; }
.proj__actions { display: inline-flex; gap: var(--s2); flex-wrap: wrap; }

/* ---- certs ---- */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr)); gap: var(--s4); }
.cert { text-align: left; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; width: 100%; transition: transform .35s var(--ease), border-color .35s, box-shadow .35s; }
.cert:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: var(--shadow-2); }
.cert__img { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--surface-3); border-bottom: 1px solid var(--line); }
.cert__img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; filter: saturate(.8); transition: transform .6s var(--ease), filter .4s; }
.cert:hover .cert__img img { transform: scale(1.06); filter: none; }
.cert__body { padding: var(--s4); display: flex; flex-direction: column; gap: 5px; }
.cert__issuer { font-family: var(--f-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--brand); }
.cert__name { font-weight: 600; font-size: var(--t-sm); line-height: 1.3; letter-spacing: -.01em; }
.cert__meta { font-family: var(--f-mono); font-size: 11px; color: var(--ink-3); display: flex; justify-content: space-between; margin-top: 4px; }
.cert-credly { margin-top: var(--s6); display: flex; align-items: center; gap: var(--s4); flex-wrap: wrap; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 960; display: grid; place-items: center; padding: var(--gutter); background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(12px); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox__inner { max-width: 1000px; width: 100%; display: flex; flex-direction: column; gap: var(--s3); transform: scale(.96); transition: transform .3s var(--ease); }
.lightbox.open .lightbox__inner { transform: none; }
.lightbox__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); font-family: var(--f-mono); font-size: var(--t-sm); color: var(--ink-2); flex-wrap: wrap; }
.lightbox img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line-2); box-shadow: var(--shadow-3); max-height: 76svh; object-fit: contain; }

/* ---- about + path + reverve ---- */
.about { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: var(--s7); align-items: center; }
.about__body p { font-family: var(--f-display); font-size: clamp(1.05rem,.95rem+.5vw,1.4rem); font-weight: 400; line-height: 1.5; letter-spacing: -.015em; color: var(--ink-2); margin-bottom: var(--s4); max-width: 44ch; }
.about__body strong { color: var(--ink); font-weight: 600; }
.about__body em { font-style: italic; color: var(--brand); }
.about__photo { border: 1px solid var(--line-2); border-radius: var(--radius-lg); overflow: hidden; position: relative; }
.about__photo img { width: 100%; aspect-ratio: 4/4.6; object-fit: cover; filter: contrast(1.03) saturate(.9); }

.path { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); }
.path__item { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: var(--s5); transition: border-color .3s, transform .3s var(--ease); }
.path__item:hover { border-color: var(--line-2); transform: translateY(-2px); }
.path__when { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--brand); letter-spacing: .06em; }
.path__what { font-family: var(--f-display); font-size: var(--t-lg); font-weight: 600; margin: 4px 0 2px; }
.path__where { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--ink-3); margin-bottom: 8px; }
.path__desc { color: var(--ink-2); font-size: var(--t-sm); }

.reverve { display: flex; align-items: center; gap: var(--s6); border: 1px solid var(--line); border-radius: var(--radius-lg); background: radial-gradient(120% 140% at 0% 0%, rgba(70,199,106,.12), transparent 55%), var(--surface); padding: clamp(24px,4vw,40px); flex-wrap: wrap; }
.reverve__mark { width: 68px; height: 68px; flex: none; display: grid; place-items: center; border-radius: 18px; border: 1px solid color-mix(in srgb, var(--reverve) 40%, transparent); background: color-mix(in srgb, var(--reverve) 12%, transparent); color: var(--reverve); }
.reverve__mark svg { width: 34px; height: 34px; }
.reverve__body { flex: 1; min-width: 260px; }
.reverve__role { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--reverve); }
.reverve__name { font-family: var(--f-display); font-size: var(--t-2xl); font-weight: 700; letter-spacing: -.04em; background: linear-gradient(100deg, var(--reverve), var(--brand)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; margin: 2px 0 8px; }
.reverve__blurb { color: var(--ink-2); font-size: var(--t-md); max-width: 60ch; }
.reverve__blurb strong { color: var(--reverve); font-weight: 600; }
.reverve__cta { --b: var(--reverve); --f: #04140a; --bd: var(--reverve); background: var(--reverve); flex: none; }

/* ---- contact ---- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s7); align-items: start; }
.contact__big { font-family: var(--f-display); font-size: var(--t-3xl); font-weight: 700; letter-spacing: -.05em; line-height: .96; margin-bottom: var(--s4); }
.contact__big em { font-style: normal; background: linear-gradient(100deg, var(--brand), var(--brand-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.contact__list { display: flex; flex-direction: column; gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius-lg); overflow: hidden; }
.contact__row { display: flex; align-items: center; gap: var(--s4); padding: var(--s4) var(--s5); background: var(--bg); transition: background .2s, padding-left .2s var(--ease); }
.contact__row:hover { background: var(--surface); padding-left: calc(var(--s5) + 6px); }
.contact__row svg { width: 18px; height: 18px; color: var(--brand); flex: none; }
.contact__row .k { font-family: var(--f-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.contact__row .v { font-size: var(--t-sm); word-break: break-all; }
.contact__row .arr { margin-left: auto; color: var(--ink-4); }

/* ---- footer ---- */
.footer { position: relative; z-index: 2; border-top: 1px solid var(--line-soft); max-width: var(--maxw); margin-inline: auto; padding: var(--s8) var(--gutter) var(--s6); }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: var(--s7); margin-bottom: var(--s7); }
.footer__big { font-family: var(--f-display); font-size: var(--t-2xl); font-weight: 700; letter-spacing: -.04em; line-height: 1; margin-bottom: var(--s3); }
.footer h4 { font-family: var(--f-mono); font-size: var(--t-xs); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: var(--s4); font-weight: 400; }
.footer__list { display: flex; flex-direction: column; gap: 8px; }
.footer__list a { color: var(--ink-2); font-size: var(--t-sm); transition: color .2s, padding-left .2s var(--ease); }
.footer__list a:hover { color: var(--brand); padding-left: 4px; }
.footer__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--s4); flex-wrap: wrap; padding-top: var(--s5); border-top: 1px solid var(--line-soft); font-family: var(--f-mono); font-size: var(--t-xs); color: var(--ink-4); }

/* rails */
.rail { position: fixed; bottom: 0; z-index: 800; display: flex; flex-direction: column; align-items: center; gap: var(--s4); font-family: var(--f-mono); font-size: 10px; color: var(--ink-4); }
.rail--l { left: 24px; } .rail--r { right: 24px; }
.rail::after { content:""; width: 1px; height: 80px; background: linear-gradient(var(--line-2), transparent); }
.rail a { color: var(--ink-4); transition: color .2s, transform .2s var(--ease); }
.rail a:hover { color: var(--brand); transform: translateY(-2px); }
.rail a svg { width: 17px; height: 17px; }
.rail__v { writing-mode: vertical-rl; }
.rail--r .rail__v { transform: rotate(180deg); }
@media (max-width: 1180px) { .rail { display: none; } }

.toast-host { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 990; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { padding: 10px 18px; border-radius: 99px; background: var(--surface-3); border: 1px solid var(--line-2); font-family: var(--f-mono); font-size: var(--t-xs); box-shadow: var(--shadow-2); animation: toastIn .3s var(--ease), toastOut .3s var(--ease-in) 2.4s forwards; }
@keyframes toastIn { from { opacity:0; transform: translateY(12px); } }
@keyframes toastOut { to { opacity:0; transform: translateY(-8px); } }

/* ---- responsive ---- */
@media (max-width: 1080px) {
  .nav__links { display: none; }
  .nav__toggle { display: grid; }
  .hero { grid-template-columns: 1fr; padding-top: 112px; }
  .hero__side { max-width: 440px; }
  .pillars { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .about, .contact { grid-template-columns: 1fr; }
  .path { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__big { grid-column: 1/-1; }
}
@media (max-width: 560px) {
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .brand__txt { display: none; }
  .footer__grid { grid-template-columns: 1fr; }
}