/* GREATPATH FIGHTER LIMITED — single page.
   Tokens first, then structure, then sections in document order. */

:root {
  --ink: #0E1116;
  --ink-2: #1B2436;
  --paper: #F1F2EF;
  --paper-2: #E7E9E4;
  --aramid: #E0A62A;
  --slate: #5B6470;
  --slate-soft: #9AA1A9;
  --line: rgb(14 17 22 / 0.14);

  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-couture: "Bodoni Moda", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --step-eyebrow: 0.72rem;
  --step-small: 0.82rem;
  --step-body: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --step-lede: clamp(1.15rem, 1.05rem + 0.5vw, 1.45rem);
  --step-h3: clamp(1.35rem, 1.2rem + 0.7vw, 1.8rem);
  --step-h2: clamp(1.9rem, 1.4rem + 2.2vw, 3.3rem);
  --step-h1: clamp(2.2rem, 1rem + 4.6vw, 4.4rem);
  --step-quote: clamp(1.6rem, 1.1rem + 2.6vw, 3rem);

  --gap: clamp(1.25rem, 0.8rem + 2vw, 2.5rem);
  --pad-x: clamp(1.15rem, 0.5rem + 4vw, 4.5rem);
  --section-y: clamp(4.5rem, 3rem + 8vw, 9rem);
  --max: 1440px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.55;
  font-variation-settings: "wdth" 100;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

h1, h2, h3 { margin: 0; font-weight: 700; text-wrap: balance; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
a { color: inherit; }

img, svg, canvas { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--aramid);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 99;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--step-small);
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- shared type devices ---------- */

.section-head {
  display: grid;
  gap: 0.75rem;
  max-width: 32ch;
  margin-bottom: var(--gap);
}
.section-head__title {
  display: block;
  font-family: var(--font-display);
  font-size: var(--step-h2);
  font-variation-settings: "wdth" 108;
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.02;
  max-width: 22ch;
}
/* The gold thread marks the section opener. It is a mark, not a label. */
.section-head__title::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  margin-bottom: 0.9rem;
  background: var(--aramid);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--step-small);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.5rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  transition: background-color 220ms var(--ease), color 220ms var(--ease), border-color 220ms var(--ease);
}
.button--solid {
  background: var(--ink);
  color: var(--paper);
}
.button--solid:hover {
  background: var(--aramid);
  border-color: var(--aramid);
  color: var(--ink);
}
.button--ghost:hover {
  background: var(--ink);
  color: var(--paper);
}
.button--lg { padding: 1.15rem 2rem; font-size: 0.88rem; }

/* ---------- masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem var(--gap);
  padding: 0.85rem var(--pad-x);
  background: rgb(241 242 239 / 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-variation-settings: "wdth" 118;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}
.wordmark__legal {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  color: var(--slate);
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 0.2rem + 1.6vw, 2rem);
  font-family: var(--font-mono);
  font-size: var(--step-eyebrow);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav a { text-decoration: none; color: var(--slate); }
.nav a:hover { color: var(--ink); }
.nav__cta {
  color: var(--ink) !important;
  border: 1px solid var(--line);
  padding: 0.5rem 0.85rem;
}
.nav__cta:hover { border-color: var(--aramid); background: var(--aramid); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: min(88vh, 52rem);
  display: flex;
  align-items: center;
  padding: clamp(2.5rem, 2rem + 3vw, 6rem) var(--pad-x) clamp(4rem, 2rem + 8vw, 8rem);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.loom {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  width: 100%;
}
/* A light wash behind the wording, so a thread the visitor lays across the headline
   never makes the text hard to read. */
.hero__inner::before {
  content: "";
  position: absolute;
  inset: -3rem -5rem -2rem -3rem;
  z-index: -1;
  background: radial-gradient(75% 70% at 34% 48%, rgb(241 242 239 / 0.96) 0%, rgb(241 242 239 / 0.82) 42%, rgb(241 242 239 / 0) 78%);
  pointer-events: none;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--step-h1);
  font-variation-settings: "wdth" 112;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 0.94;
  max-width: 24ch;
  margin: 0 0 1.5rem;
}

.hero__lede {
  max-width: 46ch;
  font-size: var(--step-lede);
  line-height: 1.4;
  color: var(--ink);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.25rem 0 1.5rem;
}

/* Interaction hint for the loom. It sits with the canvas, not with the copy. */
.hero__hint {
  position: absolute;
  left: var(--pad-x);
  bottom: 1.5rem;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: var(--step-eyebrow);
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- two worlds ---------- */

.worlds {
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max);
  margin-inline: auto;
}

.worlds__pair {
  display: grid;
  grid-template-columns: 1fr 3rem 1fr;
  align-items: stretch;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  min-width: 0;
}
.panel--technical {
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.panel--consumer {
  background: var(--ink-2);
  color: var(--paper);
}

.panel__title {
  font-family: var(--font-display);
  font-size: var(--step-h3);
  font-variation-settings: "wdth" 105;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.panel__title--couture {
  font-family: var(--font-couture);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.panel__body { color: inherit; opacity: 0.88; max-width: 38ch; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 1.25rem;
}
.chips li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  color: var(--slate);
}
.chips--dark li {
  border-color: rgb(241 242 239 / 0.25);
  color: rgb(241 242 239 / 0.85);
}

.seam { position: relative; }
.seam svg { width: 100%; height: 100%; }

/* ---------- materials ---------- */

.materials {
  position: relative;
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 4.5rem);
}
/* The hairline runs the full width of the viewport, not just the text column. */
.materials::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 1px;
  transform: translateX(-50%);
  background: var(--line);
}

.materials__rail { position: relative; }
.rail {
  position: sticky;
  top: 5.5rem;
  display: grid;
  gap: 0.15rem;
  margin: 1rem 0 1rem;
}
.rail__link {
  display: block;
  padding: 0.3rem 0;
  font-family: var(--font-mono);
  font-size: var(--step-small);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--slate);
  border-left: 2px solid transparent;
  padding-left: 0.7rem;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}
.rail__link:hover { color: var(--ink); }
.rail__link[aria-current="true"] {
  color: var(--ink);
  border-left-color: var(--aramid);
}
.rail__foot {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--slate);
}

.fibres { display: grid; }
.fibre {
  display: grid;
  grid-template-columns: minmax(9rem, 14rem) 1fr;
  gap: clamp(1rem, 0.5rem + 2vw, 3rem);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.4rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 6rem;
}
.fibre:last-child { border-bottom: 1px solid var(--line); }
.fibre__name {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem);
  font-variation-settings: "wdth" 112;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.fibre__body { display: grid; gap: 0.5rem; max-width: 60ch; }
.fibre__fact { color: var(--ink); }
.fibre__use {
  font-family: var(--font-mono);
  font-size: var(--step-small);
  color: var(--slate);
  line-height: 1.5;
}

.forms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--gap);
  margin-top: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
}
.form {
  padding-top: 1.1rem;
  border-top: 2px solid var(--ink);
}
.form__title {
  font-family: var(--font-mono);
  font-size: var(--step-eyebrow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.form p { color: var(--slate); max-width: 42ch; }

/* ---------- blending ---------- */

.blending {
  padding: var(--section-y) var(--pad-x);
  background: var(--paper-2);
  border-block: 1px solid var(--line);
}
.blending > .section-head,
.blending > .reasons {
  max-width: var(--max);
  margin-inline: auto;
}

.reasons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: clamp(1.5rem, 1rem + 3vw, 4rem);
  margin-top: clamp(2rem, 1rem + 3vw, 4rem);
}
.reason { padding-top: 1.5rem; position: relative; }
.reason::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 2.6rem;
  background: var(--aramid);
}
.reason__title {
  font-family: var(--font-display);
  font-size: var(--step-h3);
  font-variation-settings: "wdth" 104;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  max-width: 20ch;
}
.reason p { color: var(--slate); max-width: 40ch; }

/* ---------- company ---------- */

.company {
  padding: var(--section-y) var(--pad-x);
  max-width: var(--max);
  margin-inline: auto;
}
.company__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(2rem, 1rem + 5vw, 6rem);
}
.company p { margin-top: 1.25rem; max-width: 58ch; color: var(--slate); }

.vcard {
  align-self: start;
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.vcard dl { display: grid; gap: 1.1rem; }
.vcard dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 0.3rem;
}
.vcard dd { font-size: 0.95rem; overflow-wrap: anywhere; }
.vcard a { text-decoration-color: var(--aramid); text-underline-offset: 3px; }

/* ---------- contact ---------- */

/* The contact block uses the company container: same width, same side padding,
   same left-half placement. The wording stops on the centre line of the page. */
.contact {
  padding: clamp(4rem, 3rem + 7vw, 8rem) 0;
  background: var(--ink);
  color: var(--paper);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.contact__inner {
  display: grid;
  justify-items: start;
  gap: 1.25rem;
  min-width: 0;
}
.contact__title {
  font-family: var(--font-display);
  font-size: var(--step-quote);
  font-variation-settings: "wdth" 110;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  max-width: 20ch;
}
.contact__lede { max-width: 48ch; color: rgb(241 242 239 / 0.8); }
.contact .button--solid {
  background: var(--aramid);
  border-color: var(--aramid);
  color: var(--ink);
  margin-top: 0.75rem;
}
.contact .button--solid:hover { background: var(--paper); border-color: var(--paper); }
.contact__mail {
  font-family: var(--font-mono);
  font-size: var(--step-small);
  letter-spacing: 0.06em;
}
.contact__mail a { text-decoration-color: var(--aramid); text-underline-offset: 4px; }

/* ---------- footer ---------- */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.5rem var(--pad-x);
  background: var(--ink);
  color: var(--slate-soft);
  border-top: 1px solid rgb(241 242 239 / 0.14);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .materials { grid-template-columns: 1fr; gap: 0; }
  .materials__rail {
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.25rem;
    margin-bottom: 2.5rem;
  }
  .rail {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .rail__link {
    border-left: 0;
    border: 1px solid var(--line);
    padding: 0.35rem 0.6rem;
  }
  .rail__link[aria-current="true"] {
    border-color: var(--aramid);
    background: rgb(224 166 42 / 0.12);
  }
  .rail__foot { display: none; }

  .worlds__pair { grid-template-columns: 1fr; }
  .seam { height: 3rem; }

  .company__grid,
  .contact__grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav a:not(.nav__cta) { display: none; }
  .fibre { grid-template-columns: 1fr; gap: 0.6rem; }
  .hero { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}