@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("../fonts/bricolage-grotesque.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-600.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-mono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-mono-500.woff2") format("woff2"); }
/* Latin Extended: the letters Slovak needs beyond basic Latin (č, š, ž, ľ, ť, ď, ň, ŕ, ĺ). */
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("../fonts/bricolage-grotesque-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-sans-400-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-sans-500-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600; font-display: swap; src: url("../fonts/ibm-plex-sans-600-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url("../fonts/ibm-plex-mono-400-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url("../fonts/ibm-plex-mono-500-ext.woff2") format("woff2"); unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
/* Layout: one left-aligned column on a survey sheet. A datum line (the ±0.00 level mark from
   building drawings) sits under the hero; the three work stages rise from it like a staircase. */
:root {
  --ground: #EDF1F4;
  --sheet: #F8FAFB;
  --ink: #10202E;
  --muted: #536575;
  --line: #C3CED7;
  --accent: #1B4BD1;
  --on-accent: #FFFFFF;
  --display: "Bricolage Grotesque", "Arial Narrow", Arial, sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0B151E; --sheet: #121F2B; --ink: #E5ECF2; --muted: #93A5B4;
    --line: #2A3B4A; --accent: #8FB0FF; --on-accent: #0B151E; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #0B151E; --sheet: #121F2B; --ink: #E5ECF2; --muted: #93A5B4;
  --line: #2A3B4A; --accent: #8FB0FF; --on-accent: #0B151E; color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 1.0625rem/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 68rem; margin-inline: auto; padding-inline: clamp(1rem, 5vw, 3rem); }
a { color: var(--accent); text-underline-offset: 0.2em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; margin: 0; text-wrap: balance; }
p { margin: 0; }
.label {
  font: 500 0.8125rem/1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

/* header */
.top { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; align-items: baseline; justify-content: space-between; padding-block: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font: 700 1.5rem/1 var(--display); letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.brand svg { width: 1.9rem; height: 1.9rem; flex: none; }
.top nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.top nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.9375rem; }
.top nav a:hover { color: var(--accent); }

/* hero */
.hero { padding-block: clamp(2.5rem, 8vw, 6rem) 0; display: grid; gap: 1.5rem; }
.hero h1 { font-size: clamp(2.5rem, 8.5vw, 5.75rem); font-weight: 700; letter-spacing: -0.035em; max-width: 14ch; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { max-width: 58ch; font-size: clamp(1.0625rem, 1.6vw, 1.25rem); color: var(--muted); }
.cta {
  justify-self: start; display: inline-block; margin-top: 0.5rem;
  background: var(--accent); color: var(--on-accent);
  padding: 0.85rem 1.4rem; border-radius: 2px;
  font-weight: 600; text-decoration: none;
}
.cta:hover { filter: brightness(1.1); }

/* datum line */
.datum { display: flex; align-items: center; gap: 0.75rem; margin-top: clamp(2.5rem, 7vw, 5rem); }
.datum::after { content: ""; flex: 1; border-top: 1.5px solid var(--ink); }
.datum svg { width: 1.1rem; height: 1rem; flex: none; fill: var(--ink); }
.datum span { font: 500 0.8125rem/1 var(--mono); letter-spacing: 0.06em; color: var(--ink); white-space: nowrap; }

/* sections */
section { padding-block: clamp(3rem, 8vw, 6rem); }
section > h2 { font-size: clamp(1.75rem, 4.5vw, 2.75rem); font-weight: 700; letter-spacing: -0.025em; margin-top: 0.5rem; max-width: 22ch; }

.stages { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.stages li { min-width: 0; background: var(--sheet); border-top: 3px solid var(--accent); padding: 1.5rem 1.5rem 1.75rem; display: grid; gap: 0.75rem; }
.stages li:nth-child(1) { margin-top: 5rem; }
.stages li:nth-child(2) { margin-top: 2.5rem; }
.stages .level { font: 500 0.8125rem/1 var(--mono); letter-spacing: 0.06em; color: var(--accent); }
.stages h3 { font-size: 1.625rem; font-weight: 700; letter-spacing: -0.02em; }
.stages p { color: var(--muted); font-size: 1rem; }

.ruled { border-top: 1px solid var(--line); }
.services { margin-top: 2.5rem; display: grid; gap: 2rem 2.5rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.services article { min-width: 0; display: grid; gap: 0.75rem; align-content: start; border-top: 3px solid var(--ink); padding-top: 1.25rem; }
.services h3 { font-size: 1.625rem; font-weight: 700; letter-spacing: -0.02em; }
.services p { color: var(--muted); font-size: 1rem; }
.results { border-top: 1px solid var(--line); }
.results ul { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; gap: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.results li { min-width: 0; padding: 1.25rem 1.5rem 1.25rem 0; border-top: 1px solid var(--line); display: grid; gap: 0.35rem; }
.results strong { font: 500 1.25rem/1.2 var(--display); }
.results span { color: var(--muted); font-size: 1rem; }

/* contact */
.contact { border-top: 1px solid var(--line); display: grid; gap: 1.25rem; }
.mail { font: 700 clamp(1.75rem, 7vw, 4.25rem)/1.05 var(--display); letter-spacing: -0.03em; color: var(--ink); text-decoration-color: var(--accent); text-decoration-thickness: 3px; overflow-wrap: anywhere; justify-self: start; }
.mail:hover { color: var(--accent); }
.copy {
  justify-self: start; font: 500 0.875rem/1 var(--mono); color: var(--ink);
  background: transparent; border: 1px solid var(--line); border-radius: 2px;
  padding: 0.6rem 0.9rem; cursor: pointer;
}
.copy:hover { border-color: var(--ink); }

footer { border-top: 1px solid var(--line); padding-block: 1.5rem 2.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; color: var(--muted); font-size: 0.9375rem; }

@media (max-width: 46rem) {
  .stages, .results ul, .services { grid-template-columns: minmax(0, 1fr); }
  .stages li:nth-child(n) { margin-top: 0; }
  .results li { padding-right: 0; }
}

/* language switch */
.top nav .lang { font: 500 0.8125rem/1 var(--mono); letter-spacing: 0.06em; border: 1px solid var(--line); border-radius: 2px; padding: 0.35rem 0.5rem; }
.top nav .lang:hover { border-color: var(--ink); }