/* ICONS International – műszaki rajz hangulatú design */
:root {
  --paper: #f4f1ea;
  --paper-2: #ebe7dc;
  --ink: #13305e;
  --ink-2: rgba(19, 48, 94, .66);
  --line: rgba(19, 48, 94, .30);
  --line-soft: rgba(19, 48, 94, .12);
  --accent: #d4482b;          /* „piros javítás” jelölés, csak módjával */
  --bar-h: 44px;
  --ruler-w: 0px;
  --gut: clamp(20px, 3vw, 36px);
  --f-disp: "Archivo", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;
}
@media (min-width: 1200px) { :root { --ruler-w: 56px; } }

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: var(--bar-h); }
body {
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--f-disp);
  font-stretch: 100%;
  padding-top: var(--bar-h);
  padding-right: var(--ruler-w);
  -webkit-font-smoothing: antialiased;
}
/* milliméterpapír */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px) 0 0 / 240px 240px,
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px) 0 0 / 240px 240px,
    linear-gradient(rgba(19,48,94,.045) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, rgba(19,48,94,.045) 1px, transparent 1px) 0 0 / 24px 24px;
}
a { color: inherit; text-decoration: none; }
/* kiemelt szó: ugyanaz a betű, csak halvány pontozott aláhúzás */
em {
  font-style: normal;
  text-decoration: underline dotted;
  text-decoration-color: rgba(19, 48, 94, .45);
  text-decoration-thickness: 2px;
  text-underline-offset: .16em;
  text-decoration-skip-ink: none;
}
::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- felső sáv ---------- */
.bar {
  position: fixed; inset: 0 0 auto 0; height: var(--bar-h); z-index: 50;
  display: flex; align-items: stretch; justify-content: space-between;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  padding-right: var(--ruler-w);
}
.brand {
  display: flex; align-items: center; gap: 10px; padding: 0 var(--gut);
  font: 800 15px/1 var(--f-disp); font-stretch: 125%; letter-spacing: .06em;
  border-right: 1px solid var(--line);
}
.nav { display: flex; align-items: stretch; }
.nav a {
  display: flex; align-items: center; padding: 0 clamp(10px, 2vw, 22px);
  font: 500 11px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase;
  border-left: 1px solid transparent;
}
.nav a:hover { background: var(--line-soft); }
.nav a.on { background: var(--ink); color: var(--paper); }
.bar-right { display: flex; align-items: stretch; }
/* nyelvváltó */
.lang { display: flex; align-items: stretch; border-left: 1px solid var(--line); margin-left: clamp(4px, 1vw, 12px); }
.lang button {
  background: none; border: 0; color: var(--ink); cursor: pointer; padding: 0 clamp(9px, 1.4vw, 14px);
  font: 500 11px/1 var(--f-mono); letter-spacing: .1em; opacity: .45;
}
.lang button:hover { opacity: .8; background: var(--line-soft); }
.lang button[aria-pressed="true"] { opacity: 1; box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 640px) { .nav a.nav-about { display: none; } }   /* mobilon nincs hely a „Rólunk” pontra */
@media (max-width: 480px) {
  .brand { padding: 0 12px; gap: 7px; font-size: 13px; }
  .nav a { padding: 0 8px; font-size: 10px; letter-spacing: .06em; }
  .lang { margin-left: 2px; }
  .lang button { padding: 0 8px; font-size: 10px; }
}

/* ---------- jobb vonalzó ---------- */
.ruler, .index { display: none; }
@media (min-width: 1200px) {
  .ruler {
    display: block; position: fixed; right: 0; top: var(--bar-h); bottom: 0; width: var(--ruler-w);
    border-left: 1px solid var(--line); z-index: 40;
    background:
      repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 10px) right top / 8px 100% no-repeat,
      repeating-linear-gradient(to bottom, var(--ink-2) 0 1px, transparent 1px 50px) right top / 18px 100% no-repeat,
      color-mix(in srgb, var(--paper) 80%, transparent);
  }
  .ruler-mark { position: absolute; right: 0; width: 100%; top: 0; border-top: 1px solid var(--accent); }
  .ruler-mark span { position: absolute; right: 22px; top: -17px; font: 500 10px/1 var(--f-mono); color: var(--accent); }
}
@media (min-width: 1520px) {
  .index {
    display: block; position: fixed; right: calc(var(--ruler-w) + 22px); bottom: 26px; z-index: 40;
    list-style: none; text-align: right;
  }
  .index a {
    font: 700 13px/1.9 var(--f-disp); font-stretch: 125%; letter-spacing: .04em; text-transform: uppercase;
    opacity: .35; transition: opacity .2s;
  }
  .index a:hover, .index a.on { opacity: 1; }
  .index a.on::before { content: "— "; color: var(--accent); }
}

/* ---------- hero ---------- */
.hero {
  min-height: calc(100svh - var(--bar-h)); display: grid; align-items: center;
  grid-template-columns: 1fr; gap: 8px;
  padding: clamp(32px, 6vw, 72px) var(--gut) 24px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
@media (min-width: 1000px) {
  .hero { grid-template-columns: minmax(420px, 5fr) 6fr; gap: clamp(8px, 2vw, 32px); padding-left: clamp(36px, 5vw, 80px); }
}
.eyebrow {
  display: flex; align-items: center; gap: 10px;
  font: 500 11px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2);
}
.eyebrow .dot { width: 8px; height: 8px; background: var(--accent); display: inline-block; }
.wordmark {
  margin-top: 22px;
  font: 800 clamp(76px, 15vw, 190px)/.86 var(--f-disp); font-stretch: 125%; letter-spacing: -.035em;
}
@media (min-width: 1000px) { .wordmark { font-size: clamp(76px, 10.5vw, 170px); } }
.wordmark small {
  display: flex; align-items: center; gap: 14px; margin-top: 18px;
  font: 500 clamp(11px, 1.1vw, 14px)/1 var(--f-mono); letter-spacing: .5em; text-transform: uppercase;
}
.wordmark small::after { content: ""; flex: 1; height: 1px; background: var(--ink); opacity: .5; }
.tagline { margin-top: 40px; font: 700 clamp(26px, 3.2vw, 42px)/1.1 var(--f-disp); font-stretch: 110%; letter-spacing: -.01em; }
.lead { margin-top: 16px; max-width: 42ch; color: var(--ink-2); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--ink); transition: background .15s, color .15s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: transparent; color: var(--ink); }

.hero-draw svg { width: 100%; height: auto; display: block; overflow: visible; }
.hero-draw text { font: 500 10px var(--f-mono); fill: var(--ink); letter-spacing: .04em; }
.hero-draw .ln { fill: none; stroke: var(--ink); stroke-width: 1.2; stroke-linecap: square; }
.hero-draw .thin { stroke-width: .7; }
.hero-draw .thick { stroke-width: 2.2; }
.hero-draw .soft { stroke: var(--ink-2); }
.hero-draw .dash { stroke-dasharray: 7 5; }
.hero-draw .axis { stroke-dasharray: 22 4 3 4; stroke-width: .7; stroke: var(--ink-2); }
.hero-draw .red { stroke: var(--accent); }
.hero-draw text.red { fill: var(--accent); }
.hero-draw .fillpaper { fill: var(--paper); }
/* rajzolódó vonalak */
.js .hero-draw .d { stroke-dasharray: 1; stroke-dashoffset: 1; }
.js .hero-draw .f { opacity: 0; }
.hero-draw.go .d { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s cubic-bezier(.5,0,.2,1); }
.hero-draw.go .f { opacity: 1; transition: opacity 1s ease; }

.hero-text > * { animation: rise .8s both cubic-bezier(.2,.7,.2,1); }
.hero-text > :nth-child(2) { animation-delay: .08s; }
.hero-text > :nth-child(3) { animation-delay: .2s; }
.hero-text > :nth-child(4) { animation-delay: .3s; }
.hero-text > :nth-child(5) { animation-delay: .4s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

/* ---------- keret + szekciók ---------- */
.frame {
  width: min(1040px, calc(100% - 2 * var(--gut)));
  margin: 0 auto;
  border-left: 1px solid var(--line); border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
}
.sec { position: relative; border-top: 1px solid var(--line); }
.frame > .sec:first-child { border-top: 0; }
.sec::before, .sec::after {
  content: "+"; position: absolute; top: -11px; font: 400 18px/20px var(--f-mono); color: var(--ink);
}
.sec::before { left: -6px; } .sec::after { right: -6px; }
.frame > .sec:first-child::before, .frame > .sec:first-child::after { display: none; }
.sec-head {
  display: flex; justify-content: space-between; gap: 16px; padding: 12px var(--gut);
  font: 500 11px/1.2 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.sec-head span:first-child { color: var(--ink); }
.sec-body { padding: clamp(36px, 6vw, 72px) var(--gut); }
.sec-title { padding-bottom: clamp(28px, 4vw, 48px); }
h2 { font: 800 clamp(30px, 5vw, 58px)/1.02 var(--f-disp); font-stretch: 118%; letter-spacing: -.02em; max-width: 16ch; }

/* bemutatkozás */
.about { display: grid; gap: clamp(28px, 5vw, 56px); }
@media (min-width: 880px) { .about { grid-template-columns: 1.25fr 1fr; align-items: end; } }
.about p { margin-top: 20px; max-width: 52ch; color: var(--ink-2); }
.about h2 + p { margin-top: 28px; }
.titleblock { border: 1px solid var(--ink); background: var(--paper); }
.titleblock div { display: grid; grid-template-columns: 112px 1fr; border-top: 1px solid var(--line); }
.titleblock div:first-child { border-top: 0; }
.titleblock dt, .titleblock dd { padding: 11px 14px; }
.titleblock dt { font: 500 10px/1.5 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); border-right: 1px solid var(--line); display: flex; align-items: center; }
.titleblock dd { font: 600 15px/1.35 var(--f-disp); font-stretch: 110%; }

/* projektek */
.grid { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
@media (min-width: 720px) { .grid { grid-template-columns: 1fr 1fr; } }
.proj { position: relative; border-bottom: 1px solid var(--line); }
@media (min-width: 720px) { .proj:nth-child(odd) { border-right: 1px solid var(--line); } }
.proj-btn { display: block; width: 100%; text-align: left; background: none; border: 0; color: inherit; font: inherit; cursor: pointer; padding: 0; }
.proj-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; border-bottom: 1px solid var(--line); background: var(--paper-2); }
.proj-media img, .proj-media svg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.proj-btn:hover .proj-media img, .proj-btn:hover .proj-media svg { transform: scale(1.035); }
.tag {
  position: absolute; left: 12px; top: 12px; padding: 6px 9px; background: var(--paper);
  font: 500 10px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; border: 1px solid var(--ink);
}
.tag.run { background: var(--ink); color: var(--paper); }
.tag.plan { border-style: dashed; }
.proj-body { padding: 18px var(--gut) 24px; display: grid; gap: 6px; position: relative; padding-right: 64px; }
.proj .no { font: 500 10px/1 var(--f-mono); letter-spacing: .14em; color: var(--accent); }
.proj h3 { font: 700 clamp(20px, 2.4vw, 26px)/1.15 var(--f-disp); font-stretch: 112%; letter-spacing: -.01em; }
.proj .meta { font: 500 11px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); }
.proj .txt { margin-top: 6px; font-size: 15px; line-height: 1.55; color: var(--ink-2); max-width: 46ch; }
.proj .arr {
  position: absolute; right: var(--gut); top: 18px; width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line); font-size: 15px; transition: background .15s, color .15s, border-color .15s;
}
.proj-btn:hover .arr { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.proj-soon {
  display: grid; place-items: center; min-height: 220px; text-align: center; padding: 30px;
  font: 500 11px/1.8 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2);
  background: repeating-linear-gradient(135deg, transparent 0 9px, var(--line-soft) 9px 10px);
  border-bottom: 1px solid var(--line);
}

/* kapcsolat */
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 16px; padding: 22px var(--gut); border-bottom: 1px solid var(--line); transition: background .15s, color .15s; }
.row:last-child { border-bottom: 0; }
.row .k { grid-column: 1 / -1; font: 500 10px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.row .v { font: 700 clamp(20px, 3.6vw, 40px)/1.15 var(--f-disp); font-stretch: 112%; letter-spacing: -.015em; overflow-wrap: anywhere; }
.row .a { font-size: 24px; }
a.row:hover { background: var(--ink); color: var(--paper); }
a.row:hover .k { color: color-mix(in srgb, var(--paper) 70%, transparent); }
@media (min-width: 720px) {
  .row { grid-template-columns: 160px 1fr auto; }
  .row .k { grid-column: auto; }
}

.foot {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 16px var(--gut);
  border-top: 1px solid var(--line);
  font: 500 11px/1.4 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2);
}
.foot a:hover { color: var(--ink); }
/* alul lezárt keret, sarokjelekkel */
.foot { position: relative; border-bottom: 1px solid var(--line); }
.foot::before, .foot::after {
  content: "+"; position: absolute; bottom: -10px; font: 400 18px/20px var(--f-mono); color: var(--ink);
}
.foot::before { left: -6px; } .foot::after { right: -6px; }
main { padding-bottom: 56px; }

/* ---------- projekt-részlet ---------- */
.pdlg {
  margin: auto; width: min(880px, calc(100% - 24px)); max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); overflow: auto; overscroll-behavior: contain;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink); padding: 0;
}
.pdlg::backdrop { background: rgba(19, 48, 94, .45); backdrop-filter: blur(2px); }
.pdlg-bar { display: flex; justify-content: space-between; align-items: stretch; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--paper); z-index: 2; }
.pdlg-bar span { padding: 12px 18px; font: 500 11px/1.2 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; display: flex; align-items: center; }
.pdlg-bar button { border: 0; border-left: 1px solid var(--line); background: none; color: inherit; cursor: pointer; padding: 0 18px; font: 500 11px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; }
.pdlg-bar button:hover { background: var(--ink); color: var(--paper); }
/* lapozós galéria a részletező ablakban */
.gal-view { position: relative; }
.gal-stage {
  display: block; position: relative; width: 100%; aspect-ratio: 3 / 2; padding: 0; border: 0; border-bottom: 1px solid var(--line);
  background: var(--paper-2); overflow: hidden; cursor: default; color: var(--ink);
}
.gal-stage img, .gal-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.gal-stage.zoomable { cursor: zoom-in; }
.gal-stage.zoomable::after {
  content: "⤢"; position: absolute; right: 10px; bottom: 10px; width: 34px; height: 34px; display: grid; place-items: center;
  background: var(--paper); border: 1px solid var(--ink); font: 400 17px/1 var(--f-mono); transition: background .15s, color .15s;
}
.gal-stage.zoomable:hover::after { background: var(--ink); color: var(--paper); }
.gal-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; width: 44px; height: 56px; display: grid; place-items: center;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; font: 400 26px/1 var(--f-mono); padding: 0 0 3px;
  transition: background .15s, color .15s;
}
.gal-nav:hover { background: var(--ink); color: var(--paper); }
.gal-nav.prev { left: 12px; } .gal-nav.next { right: 12px; }
.gal-count { padding: 11px 18px; text-align: center; border-bottom: 1px solid var(--line); font: 500 12px/1 var(--f-mono); letter-spacing: .16em; }
@media (max-width: 480px) { .gal-nav { width: 38px; height: 48px; } .gal-nav.prev { left: 8px; } .gal-nav.next { right: 8px; } }

/* teljes képernyős lightbox */
.lb {
  margin: 0; padding: 0; border: 0; width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none;
  background: rgba(8, 18, 38, .97); color: var(--paper); overflow: hidden; overscroll-behavior: contain;
}
.lb[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); }
.lb::backdrop { background: #000; }
.lb-bar { display: flex; justify-content: space-between; align-items: stretch; border-bottom: 1px solid rgba(244, 241, 234, .25); }
.lb-bar span, .lb-bar button {
  padding: 14px 18px; font: 500 12px/1.2 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--paper);
  display: flex; align-items: center; background: none; border: 0;
}
.lb-bar button { border-left: 1px solid rgba(244, 241, 234, .25); cursor: pointer; }
.lb-bar button:hover { background: var(--paper); color: var(--ink); }
.lb-stage { position: relative; display: grid; place-items: center; min-height: 0; padding: clamp(8px, 2vw, 24px); overflow: hidden; touch-action: pan-y pinch-zoom; }
.lb-stage img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; box-shadow: 0 0 0 1px rgba(244, 241, 234, .18); }
.lb-nav { background: rgba(8, 18, 38, .7); border-color: rgba(244, 241, 234, .6); color: var(--paper); }
.lb-nav:hover { background: var(--paper); color: var(--ink); }
.lb-nav.prev { left: clamp(8px, 2vw, 24px); } .lb-nav.next { right: clamp(8px, 2vw, 24px); }

/* amíg ablak van nyitva, az oldal alatta nem görög */
html.noscroll, html.noscroll body { overflow: hidden; }
.pdlg-body { padding: clamp(20px, 4vw, 36px); display: grid; gap: 10px; }
.pdlg-body h3 { font: 800 clamp(26px, 4vw, 40px)/1.05 var(--f-disp); font-stretch: 118%; letter-spacing: -.02em; }
.pdlg-body .meta { font: 500 11px/1.4 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.pdlg-body p:last-child { margin-top: 8px; color: var(--ink-2); max-width: 60ch; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .titleblock div { grid-template-columns: 96px 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-text > * { animation: none; }
  .js .hero-draw .d, .js .hero-draw .f { stroke-dashoffset: 0; opacity: 1; transition: none !important; }
}