@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF;
}
@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/bricolage-grotesque-latin-ext-wght-normal.woff2") format("woff2-variations");
  font-weight: 200 800;
  font-display: swap;
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Figtree";
  src: url("../fonts/figtree-latin-wght-normal.woff2") format("woff2-variations");
  font-weight: 300 900;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212, U+FEFF;
}
@font-face {
  font-family: "Figtree";
  src: url("../fonts/figtree-latin-ext-wght-normal.woff2") format("woff2-variations");
  font-weight: 300 900;
  font-display: swap;
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --red: #c0281e;
  --red-deep: #8f1d16;
  --red-soft: #f6cdc8;
  --steel: #262b33;
  --steel-2: #3b424d;
  --slate: #5b6370;
  --fog: #f2f3f5;
  --line: #d8dbe0;
  --white: #ffffff;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Figtree", "Segoe UI", system-ui, sans-serif;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5rem;
  --step-3: clamp(1.9rem, 1.4rem + 1.8vw, 2.75rem);
  --step-4: clamp(2.5rem, 1.6rem + 3.4vw, 4.4rem);

  --gutter: clamp(1rem, 4vw, 3rem);
  --block: clamp(4rem, 9vw, 7.5rem);
  --max: 78rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--white);
  color: var(--steel);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
}
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.02em; text-wrap: balance; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
.block-steel :focus-visible, .block-red :focus-visible, .site-footer :focus-visible { outline-color: var(--white); }
[id] { scroll-margin-top: 1rem; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.skip { position: absolute; left: 1rem; top: -4rem; z-index: 10; background: var(--steel); color: var(--white); padding: 0.6rem 1rem; border-radius: 4px; }
.skip:focus { top: 1rem; }

/* header */
.site-header { position: relative; z-index: 2; border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; justify-content: space-between; min-height: 4.75rem; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand-mark { width: 2.25rem; height: 2.25rem; color: var(--red); }
.brand-word { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: -0.01em; line-height: 1; }
.brand-word span { font-weight: 300; }
.brand-word b { font-weight: 700; }
.nav-list { display: flex; gap: 0.25rem; align-items: center; }
.nav-list a { display: block; padding: 0.5rem 0.75rem; text-decoration: none; border-radius: 4px; font-weight: 500; }
.nav-list a:hover { background: var(--fog); }
.nav-lang a { border: 1px solid var(--line); margin-left: 0.5rem; font-size: var(--step--1); font-weight: 700; }
.nav-toggle { display: none; }

/* hero */
.hero { overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-top: clamp(3rem, 7vw, 6rem);
  padding-bottom: clamp(3.5rem, 8vw, 7rem);
}
.hero h1 { font-size: var(--step-4); font-weight: 650; letter-spacing: -0.035em; max-width: 16ch; }
.hero-lead { margin-top: 1.75rem; font-size: var(--step-1); line-height: 1.55; max-width: 36rem; color: var(--slate); }
.hero-actions { margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 0.75rem; }

.rings { display: block; width: 100%; max-width: 34rem; margin-left: auto; overflow: visible; }
.ring path { fill: none; stroke-width: 36; stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke 0.2s; }
.ring-0 path { stroke: var(--steel); }
.ring-1 path { stroke: var(--steel-2); }
.ring-2 path { stroke: var(--slate); }
.ring text { fill: var(--white); font: 600 15px var(--font-body); letter-spacing: 0.03em; pointer-events: none; }
.ring:hover path, .ring:focus-visible path, .ring.is-lit path { stroke: var(--red); }
.ring:focus-visible { outline: none; }
.rings-mark { color: var(--red); }
@media (prefers-reduced-motion: no-preference) {
  .ring path { animation: draw 1.4s cubic-bezier(0.6, 0, 0.2, 1) both; }
  .ring text { animation: fade 0.6s ease-out both; }
  .ring-0 path { animation-delay: 0.1s; }
  .ring-1 path { animation-delay: 0.3s; }
  .ring-2 path { animation-delay: 0.5s; }
  .ring-0 text { animation-delay: 1.1s; }
  .ring-1 text { animation-delay: 1.3s; }
  .ring-2 text { animation-delay: 1.5s; }
}
@keyframes draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 3rem; padding: 0.75rem 1.4rem;
  font: 600 var(--step-0)/1 var(--font-body);
  text-decoration: none; border-radius: 999px; border: 2px solid transparent; cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.btn-red { background: var(--red); color: var(--white); }
.btn-red:hover { background: var(--red-deep); }
.btn-line { border-color: var(--steel); color: var(--steel); }
.btn-line:hover { background: var(--steel); color: var(--white); }
.btn-white { background: var(--white); color: var(--red-deep); }
.btn-white:hover { background: var(--red-soft); }
.btn[disabled] { opacity: 0.7; cursor: progress; }

/* blocks */
.block { padding: var(--block) 0; }
.block-fog { background: var(--fog); }
.block-steel { background: var(--steel); color: var(--white); }
.block-red { background: var(--red-deep); color: var(--white); }
.block-title { font-size: var(--step-3); }
.block-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 3rem; }
.block-head p { max-width: 30rem; color: #b9bfc8; }
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.split-head { position: sticky; top: 2rem; }
.split-head p { margin-top: 1rem; color: var(--slate); max-width: 26rem; }
.block-red .split-head p { color: var(--red-soft); }

.not-found-text { margin-top: 1rem; color: var(--slate); max-width: 36rem; }

/* services */
.groups { margin-top: 3rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.group { border-top: 3px solid var(--steel); padding-top: 1.5rem; transition: border-color 0.2s; }
.group.is-lit, .group:target { border-top-color: var(--red); }
.group-ring { display: flex; align-items: center; gap: 0.5rem; font-weight: 600; color: var(--slate); font-size: var(--step--1); }
.group-dot { width: 0.8rem; height: 0.8rem; border-radius: 50%; }
.dot-0 { background: var(--steel); }
.dot-1 { background: var(--steel-2); }
.dot-2 { background: var(--slate); }
.group h3 { margin-top: 0.75rem; font-size: var(--step-2); font-weight: 650; }
.group-text { margin-top: 0.6rem; color: var(--slate); }
.group ul { margin-top: 1.25rem; }
.group li { padding: 0.6rem 0; border-top: 1px solid var(--line); line-height: 1.45; }

/* work */
.work { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.5rem clamp(1.5rem, 3vw, 3rem); }
.work-item { display: flex; flex-direction: column; border-top: 1px solid #4a525e; padding-top: 1.4rem; }
.work-item h3 { font-size: var(--step-1); font-weight: 650; }
.work-item p { margin-top: 0.6rem; color: #c4c9d1; flex: 1; }

/* stack */
.stack { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 3rem; }
.stack-group { border-top: 2px solid var(--steel); padding-top: 1rem; }
.stack dt { font-family: var(--font-display); font-size: var(--step-1); font-weight: 650; }
.stack ul { margin-top: 0.6rem; display: flex; flex-wrap: wrap; gap: 0.35rem 1.1rem; color: var(--slate); }

/* process */
.steps { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; counter-reset: step; }
.step { counter-increment: step; }
.step::before {
  content: counter(step);
  display: flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; margin-bottom: 1.25rem;
  border: 2px solid var(--red); border-radius: 50%;
  font: 700 var(--step-1)/1 var(--font-display); color: var(--red);
}
.step h3 { font-size: var(--step-1); font-weight: 650; }
.step p { margin-top: 0.5rem; color: var(--slate); }

/* about */
.about p { font-size: var(--step-1); line-height: 1.55; max-width: 42rem; }
.about p + p { margin-top: 1.25rem; color: var(--slate); }
.facts { margin-top: 3rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.facts div { border-top: 2px solid var(--steel); padding-top: 1rem; }
.facts dt { color: var(--slate); font-size: var(--step--1); }
.facts dd { margin-top: 0.25rem; font-family: var(--font-display); font-size: var(--step-1); font-weight: 650; }

/* contact */
.contact-direct { margin-top: 2rem !important; color: var(--white) !important; }
.contact-direct a { font-weight: 600; font-size: var(--step-1); }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.field { display: grid; gap: 0.4rem; }
.field-wide { grid-column: 1 / -1; }
.field label { font-weight: 600; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--steel); background: var(--white);
  border: 2px solid var(--white); border-radius: 6px; padding: 0.75rem 0.9rem;
}
.field textarea { resize: vertical; min-height: 9rem; }
.field input:focus, .field textarea:focus { outline: 3px solid var(--red-soft); outline-offset: 2px; }
.field [aria-invalid="true"] { border-color: #ffd34d; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form-note { font-size: var(--step--1); color: var(--red-soft); }
.form-status { grid-column: 1 / -1; min-height: 1.6em; font-weight: 600; color: #ffd34d; }
.form-status.is-ok { color: var(--white); }

/* footer */
.site-footer { background: var(--steel); color: #c4c9d1; font-size: var(--step--1); }
.footer-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem 2rem; padding-top: 2.25rem; padding-bottom: 2.25rem; }
.footer-legal { max-width: 46rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: end; }
.footer-copy { grid-column: 1 / -1; color: #8d949f; }

@media (max-width: 64rem) {
  .groups, .work, .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 3rem; }
}
@media (max-width: 56rem) {
  .hero-grid { grid-template-columns: 1fr; }
  .rings { max-width: 24rem; margin: 0 auto; }
  .split { grid-template-columns: 1fr; }
  .split-head { position: static; }
  .footer-row { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
}
@media (max-width: 48rem) {
  .nav-toggle {
    display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1rem;
    font: 600 var(--step-0)/1 var(--font-body); color: var(--steel);
    background: transparent; border: 1px solid var(--line); border-radius: 999px; cursor: pointer;
  }
  .nav-list {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line); padding: 0.5rem var(--gutter) 1rem;
  }
  .nav-list.is-open { display: flex; }
  .nav-list a { padding: 0.85rem 0; border-radius: 0; border-bottom: 1px solid var(--line); }
  .nav-lang a { border: 0; margin: 0; }
  .groups, .work, .stack, .form { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts div { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 0.75rem 0; border-top-width: 1px; }
}
@media (max-width: 30rem) {
  .steps { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
}
@media (scripting: none) {
  .nav-toggle { display: none; }
  .nav-list { display: flex; position: static; flex-wrap: wrap; border: 0; padding: 0; }
}