/* ==========================================================================
   Foxcon GmbH — foxcon.ch
   Design system: "The page is the funnel"
   Palette: cold paper / petrol ink / fox signal orange
   Type:    Bricolage Grotesque (display) · Instrument Sans (body) · Space Mono (data)
   ========================================================================== */

/* --- 1. Tokens ---------------------------------------------------------- */

:root {
  /* colour */
  --paper:      #F0F0EC;
  --paper-2:    #E5E6E0;
  --ink:        #101513;
  --deep:       #0E2A28;
  --deep-2:     #143A37;
  --signal:     #E8531F;
  --signal-dim: #C4441A;
  --mute:       #6C736E;
  --line:       #CFD1CA;
  --line-deep:  #2A4E4B;

  /* type */
  --display: "Bricolage Grotesque", "Helvetica Neue", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --body:    "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:    "Space Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* fluid scale */
  --t-mega:  clamp(2.9rem, 8.4vw, 7.5rem);
  --t-xxl:   clamp(2.2rem, 5.2vw, 4.2rem);
  --t-xl:    clamp(1.7rem, 3.2vw, 2.6rem);
  --t-lg:    clamp(1.25rem, 1.9vw, 1.6rem);
  --t-body:  clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --t-sm:    0.9375rem;
  --t-xs:    0.75rem;

  /* space */
  --gut:     clamp(1.25rem, 4vw, 3.5rem);
  --sec:     clamp(4.5rem, 10vw, 9rem);
  --max:     78rem;

  --ease:    cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --- 2. Reset ----------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--t-body);
  line-height: 1.62;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0;
  font-variation-settings: "wdth" 100, "opsz" 48;
  text-wrap: balance;
}

p { margin: 0 0 1.15em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--signal); color: #fff; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--ink); color: var(--paper);
  padding: 0.75rem 1.25rem; font-family: var(--mono); font-size: var(--t-xs);
}
.skip:focus { left: 0; }

/* --- 3. Layout helpers -------------------------------------------------- */

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

.section { padding-block: var(--sec); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

.eyebrow {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0 0 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.eyebrow::before {
  content: "";
  width: 1.6rem; height: 1px;
  background: var(--signal);
  flex: none;
}

.lede {
  font-size: var(--t-lg);
  line-height: 1.5;
  letter-spacing: -0.012em;
  max-width: 44ch;
}

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

.mt-lg { margin-top: 2.5rem; }
.mt-md { margin-top: 1.6rem; }
.measure { max-width: 46ch; }

/* --- 4. Buttons --------------------------------------------------------- */

.btn {
  --btn-fg: var(--paper);
  --btn-bg: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.95rem 1.4rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--btn-bg);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.28s var(--ease), color 0.28s var(--ease),
              border-color 0.28s var(--ease), transform 0.28s var(--ease);
}
.btn:hover { --btn-bg: var(--signal); border-color: var(--signal); transform: translateY(-2px); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); }
.btn--ghost:hover { --btn-bg: transparent; --btn-fg: var(--signal); border-color: var(--signal); }

.btn--signal { --btn-bg: var(--signal); --btn-fg: #fff; }
.btn--signal:hover { --btn-bg: var(--ink); border-color: var(--ink); }

.btn .arw { transition: transform 0.28s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* text link with signal underline */
.tlink {
  text-decoration: none;
  background-image: linear-gradient(var(--signal), var(--signal));
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), background-size 0.35s var(--ease);
}
.tlink:hover { color: var(--signal); background-size: 0% 1px; }

/* --- 5. Header ---------------------------------------------------------- */

.hdr {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(240, 240, 236, 0.94); /* fallback */
  background: color-mix(in srgb, var(--paper) 84%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  -webkit-backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.hdr.is-stuck { border-bottom-color: var(--line); }

.hdr__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.75rem;
}

.mark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.055em;
  text-decoration: none;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
}
.mark span { color: var(--signal); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.2rem); }

.nav__link {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  padding-block: 0.4rem;
  transition: color 0.25s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s var(--ease);
}
.nav__link:hover { color: var(--signal); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

.hdr__tel {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
  text-decoration: none;
  white-space: nowrap;
}
.hdr__tel:hover { color: var(--signal); }

.burger {
  display: none;
  width: 2.75rem; height: 2.75rem;
  align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); border-radius: 2px;
  cursor: pointer; padding: 0;
}
.burger i { display: block; width: 17px; height: 1.5px; background: var(--ink); position: relative; transition: background 0.2s; }
.burger i::before, .burger i::after {
  content: ""; position: absolute; left: 0; width: 17px; height: 1.5px; background: var(--ink);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.burger i::before { top: -5.5px; }
.burger i::after { top: 5.5px; }
body.nav-open .burger i { background: transparent; }
body.nav-open .burger i::before { top: 0; transform: rotate(45deg); }
body.nav-open .burger i::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 860px) {
  .burger { display: inline-flex; }
  .hdr__tel { display: none; }
  .nav {
    position: fixed;
    inset: 4.75rem 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gut) 2rem;
    transform: translateY(-115%);
    transition: transform 0.44s var(--ease);
    max-height: calc(100dvh - 4.75rem);
    overflow-y: auto;
  }
  body.nav-open .nav { transform: translateY(0); }
  .nav__link {
    width: 100%;
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--line);
    font-size: 0.8rem;
  }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--signal); }
  .nav .btn { margin-top: 1.4rem; }
}

/* --- 6. Hero ------------------------------------------------------------ */

.hero { padding-block: clamp(3.5rem, 9vw, 7.5rem) clamp(3rem, 6vw, 5rem); position: relative; }

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 15rem);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
@media (max-width: 940px) { .hero__grid { grid-template-columns: 1fr; align-items: start; } }

.hero h1 {
  font-size: var(--t-mega);
  letter-spacing: -0.045em;
  font-variation-settings: "wdth" 100, "opsz" 96;
  margin-bottom: 1.6rem;
}
.hero h1 .em {
  color: var(--signal);
  font-style: normal;
  position: relative;
  white-space: nowrap;
}

.hero__meta {
  font-family: var(--mono);
  font-size: var(--t-xs);
  line-height: 1.85;
  letter-spacing: 0.03em;
  color: var(--mute);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.hero__meta strong { color: var(--ink); font-weight: 400; display: block; }

.hero .lede { margin-bottom: 2.2rem; color: #2A302D; }

/* --- 7. Signature: the funnel rail -------------------------------------- */

body.has-funnel { padding-bottom: 3.9rem; }
@media (max-width: 720px) { body.has-funnel { padding-bottom: 3.1rem; } }

.funnel {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 80;
  background: rgba(240, 240, 236, 0.96); /* fallback */
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
}
.funnel__in { display: flex; align-items: stretch; }

.funnel__seg {
  position: relative;
  display: block;
  text-decoration: none;
  padding: 0.85rem 0.9rem 0.9rem;
  border-right: 1px solid var(--line);
  overflow: hidden;
  transition: background 0.4s var(--ease);
  min-width: 0;
}
.funnel__seg:last-child { border-right: 0; }
/* the funnel narrows, stage by stage */
.funnel__seg:nth-child(1) { flex: 34; }
.funnel__seg:nth-child(2) { flex: 27; }
.funnel__seg:nth-child(3) { flex: 21; }
.funnel__seg:nth-child(4) { flex: 18; }

.funnel__seg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.55s var(--ease);
  z-index: 0;
}
.funnel__seg.is-active::before { transform: scaleX(1); }

.funnel__stage, .funnel__name { position: relative; z-index: 1; display: block; transition: color 0.35s var(--ease); }
.funnel__stage {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}
.funnel__name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.funnel__seg:hover .funnel__name { color: var(--signal); }
.funnel__seg.is-active .funnel__stage { color: rgba(255,255,255,0.75); }
.funnel__seg.is-active .funnel__name,
.funnel__seg.is-active:hover .funnel__name { color: #fff; }

@media (max-width: 720px) {
  .funnel__stage { font-size: 0.5625rem; letter-spacing: 0.1em; }
  .funnel__name { display: none; }
  .funnel__seg { padding: 0.7rem 0.55rem; }
  .funnel__seg:nth-child(n) { flex: 1; }
}

/* --- 8. Services (dark band) -------------------------------------------- */

.dark {
  background: var(--deep);
  color: var(--paper);
}
.dark h2, .dark h3 { color: var(--paper); }
.dark .eyebrow { color: #83A09D; }
.dark .rule { background: var(--line-deep); }

.svc {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-deep);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
@media (max-width: 880px) { .svc { grid-template-columns: 1fr; } }

.svc__item {
  border-bottom: 1px solid var(--line-deep);
  border-right: 1px solid var(--line-deep);
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(1.25rem, 2.4vw, 2rem) clamp(2rem, 3.5vw, 3rem);
  position: relative;
  transition: background 0.4s var(--ease);
}
.svc__item:last-child { border-right: 0; }
@media (max-width: 880px) { .svc__item { border-right: 0; } }
.svc__item:hover { background: var(--deep-2); }
.svc__item::after {
  content: "";
  position: absolute; left: 0; bottom: -1px;
  width: 100%; height: 2px; background: var(--signal);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.svc__item:hover::after { transform: scaleX(1); }

.svc__idx {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  color: var(--signal);
  display: block;
  margin-bottom: 2.2rem;
}
.svc__item h3 { font-size: var(--t-xl); margin-bottom: 1rem; }
.svc__item p { color: #B9C7C5; font-size: var(--t-sm); line-height: 1.7; margin-bottom: 0; }

/* light variant of the services grid (used on services.html) */
.svc--light { border-top-color: var(--line); margin-top: 0; }
.svc--light .svc__item { border-bottom-color: var(--line); border-right-color: var(--line); }
@media (max-width: 880px) { .svc--light .svc__item { border-right: 0; } }
.svc--light .svc__item:hover { background: var(--paper-2); }
.svc--light .svc__item h3 { color: var(--ink); }
.svc--light .svc__item p { color: #4A514D; }

.btn--onDark { --btn-fg: var(--paper); border-color: var(--line-deep); }
.btn--onDark:hover { --btn-fg: var(--signal); border-color: var(--signal); }

/* --- 9. Statement / split ----------------------------------------------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

.statement {
  font-family: var(--display);
  font-weight: 700;
  font-size: var(--t-xxl);
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
}
.statement em { font-style: normal; color: var(--signal); }

/* fact table */
.facts { border-top: 1px solid var(--line); margin: 0; }
.dark .facts { border-top-color: var(--line-deep); }
.facts__row {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr);
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}
.dark .facts__row { border-bottom-color: var(--line-deep); }
@media (max-width: 520px) { .facts__row { grid-template-columns: 1fr; gap: 0.15rem; } }
.facts__k {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  margin: 0;
}
.facts__v { margin: 0; font-size: var(--t-sm); }
.facts__v a { text-decoration: none; }
.facts__v a:hover { color: var(--signal); }

/* --- 10. Newsletter ----------------------------------------------------- */

.news { background: var(--paper-2); }
.news__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
@media (max-width: 780px) { .news__grid { grid-template-columns: 1fr; align-items: start; } }
.news h2 { font-size: var(--t-xxl); }

/* --- 11. Forms ---------------------------------------------------------- */

.field { position: relative; margin-bottom: 1.6rem; }

.field label {
  display: block;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 0.5rem;
}

.field input,
.field textarea {
  width: 100%;
  font-family: var(--body);
  font-size: 1rem;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.6rem 0;
  border-radius: 0;
  transition: border-color 0.3s var(--ease);
}
.field textarea { resize: vertical; min-height: 6.5rem; line-height: 1.6; }
.field input:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--signal); }
.field input:focus-visible,
.field textarea:focus-visible { outline: none; }

.field--inline { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; }
.field--inline input { flex: 1 1 16rem; }

.field.is-invalid input,
.field.is-invalid textarea { border-bottom-color: var(--signal); }
.field__err {
  display: none;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--signal-dim);
  margin-top: 0.45rem;
}
.field.is-invalid .field__err { display: block; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
@media (max-width: 620px) { .grid-2 { grid-template-columns: 1fr; } }

.form__note {
  font-family: var(--mono);
  font-size: 0.6875rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mute);
  margin-top: 1.25rem;
}

.form__ok {
  display: none;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--signal);
  margin-top: 1.25rem;
}
.form__ok.is-on { display: flex; }

/* --- 12. Contact -------------------------------------------------------- */

.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: start;
}
@media (max-width: 880px) { .contact__grid { grid-template-columns: 1fr; } }

.bigtel {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  letter-spacing: -0.035em;
  text-decoration: none;
  display: inline-block;
  transition: color 0.25s var(--ease);
}
.bigtel:hover { color: var(--signal); }

/* --- 13. Legal / prose pages -------------------------------------------- */

.prose { max-width: 68ch; }
.prose h2 {
  font-size: var(--t-xl);
  margin: 3rem 0 0.9rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.prose h2:first-of-type { margin-top: 2rem; }
.prose h2 .n {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--signal);
  display: block;
  margin-bottom: 0.7rem;
}
.prose ul { padding-left: 1.1rem; margin: 0 0 1.15em; }
.prose li { margin-bottom: 0.4rem; }
.prose li::marker { color: var(--signal); }
.prose address { font-style: normal; margin: 0 0 1.15em; }

.pagehead { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(1.5rem, 3vw, 2.5rem); }
.pagehead h1 { font-size: var(--t-xxl); }

/* --- 14. Footer --------------------------------------------------------- */

.ftr { background: var(--ink); color: #9AA29E; padding-block: clamp(3.5rem, 7vw, 5.5rem) 2rem; }
.ftr a { color: #E7E9E5; }

.ftr__top {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}
@media (max-width: 820px) { .ftr__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .ftr__top { grid-template-columns: 1fr; } }

.ftr .mark { color: #fff; font-size: clamp(2.4rem, 7vw, 4.5rem); letter-spacing: -0.06em; }

.ftr__h {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5F6864;
  margin: 0 0 1.2rem;
}

.ftr__list { list-style: none; margin: 0; padding: 0; font-size: var(--t-sm); }
.ftr__list li { margin-bottom: 0.55rem; }
.ftr__list a { text-decoration: none; }
.ftr__list a:hover { color: var(--signal); }

.ftr address { font-style: normal; font-size: var(--t-sm); line-height: 1.75; }

.ftr__btm {
  border-top: 1px solid #262C29;
  padding-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
}
.ftr__btm nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.ftr__btm a { text-decoration: none; color: #9AA29E; }
.ftr__btm a:hover { color: var(--signal); }

.social { display: flex; gap: 0.6rem; }
.social a {
  width: 2.25rem; height: 2.25rem;
  display: grid; place-items: center;
  border: 1px solid #2C3330;
  border-radius: 2px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.social a:hover { border-color: var(--signal); background: var(--signal); }
.social svg { width: 15px; height: 15px; fill: #E7E9E5; }

/* --- 15. Motion --------------------------------------------------------- */

[data-rise] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-rise].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  [data-rise] { opacity: 1; transform: none; }
}