/* ============================================================
   fenmaro — Swiss minimal typography
   White paper, black ink, one red accent (#E30613).
   Grid hairlines visible. No radius. No shadows. Type only.
   ============================================================ */

:root {
  --ink: #000000;
  --paper: #ffffff;
  --red: #E30613;
  --grey: #555555;
  --hairline: 1px solid var(--ink);
  --font-sans: 'Inter Tight', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
  --wrap: 88rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --h-display: clamp(2.6rem, 8.2vw, 6.5rem);
  --h-section: clamp(2rem, 5.2vw, 4rem);
  --text-lede: clamp(1.05rem, 1.6vw, 1.35rem);
  --text-body: clamp(0.95rem, 1.1vw, 1.05rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.mono { font-family: var(--font-mono); }

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

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: var(--red); }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}
ol, ul { list-style: none; }

::selection { background: var(--red); color: var(--paper); }

/* ── skip link ─────────────────────────────────────────────── */
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  z-index: 200;
}
.skip:focus { left: 0; }

/* ── language suggestion banner ────────────────────────────── */
.lang-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem var(--gutter);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.4;
}
.lang-banner[hidden] { display: none; }
.lang-banner__sq {
  width: 0.55rem; height: 0.55rem;
  background: var(--red);
  flex: none;
}
.lang-banner__text { flex: 1 1 auto; }
.lang-banner__link {
  color: var(--paper);
  font-weight: 500;
  white-space: nowrap;
}
.lang-banner__link:hover { color: var(--red); }
.lang-banner__close {
  background: none;
  border: 0;
  color: var(--paper);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}
.lang-banner__close:hover { color: var(--red); }

/* ── header ────────────────────────────────────────────────── */
.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: var(--hairline);
}
.site-head__row {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 3.75rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
  padding-block: 0.5rem;
}
.brand:hover { color: var(--ink); }
.brand__mark {
  width: 0.9rem; height: 0.9rem;
  background: var(--red);
  flex: none;
}
.brand__word { text-transform: lowercase; }

.main-nav { display: flex; align-items: stretch; }
.main-nav__list { display: none; }
.lang-switch { display: none; }

.nav-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: none;
  border: 0;
  border-left: var(--hairline);
  padding: 0 0.25rem 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.nav-toggle__bars {
  position: relative;
  width: 1.25rem; height: 0.75rem;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  border-bottom: 0;
  height: 2px;
  background: var(--red);
  border-top: 0;
}

body.nav-open .main-nav {
  position: absolute;
  inset: 100% 0 auto 0;
  background: var(--paper);
  border-bottom: var(--hairline);
  display: block;
}
body.nav-open .main-nav__list { display: block; }
body.nav-open .main-nav__list a {
  display: flex;
  gap: 1rem;
  padding: 1rem var(--gutter);
  border-top: var(--hairline);
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
body.nav-open .main-nav__list a:hover { background: var(--ink); color: var(--paper); }
body.nav-open .lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  padding: 1rem var(--gutter) 1.4rem;
  border-top: var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.idx {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--red);
  align-self: center;
}
.lang-switch__cur { color: var(--red); }

/* ── hero ──────────────────────────────────────────────────── */
.hero { border-bottom: var(--hairline); }
.hero__grid { display: grid; gap: 2.5rem; padding-block: clamp(3rem, 8vw, 7rem); }

.kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 1.5rem;
}
.kicker__sq { width: 0.6rem; height: 0.6rem; background: var(--red); flex: none; }

.hero__title {
  font-size: var(--h-display);
  line-height: 0.95;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.035em;
  max-width: 12ch;
  margin-bottom: 1.75rem;
}
.hero__lede {
  font-size: var(--text-lede);
  line-height: 1.45;
  max-width: 44rem;
  margin-bottom: 2.25rem;
}

.hero__ctas { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 3rem; }

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-decoration: none;
  border: var(--hairline);
  cursor: pointer;
  transition: background 120ms linear, color 120ms linear;
}
.btn--fill { background: var(--ink); color: var(--paper); }
.btn--fill:hover { background: var(--red); border-color: var(--red); color: var(--paper); }
.btn--line { background: var(--paper); color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--paper); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: var(--hairline);
  border-left: var(--hairline);
}
.hero__stat {
  border-right: var(--hairline);
  border-bottom: var(--hairline);
  padding: 0.9rem 1rem;
}
.hero__stat dt {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey);
  margin-bottom: 0.35rem;
}
.hero__stat dd { font-size: clamp(1.3rem, 2.6vw, 1.9rem); font-weight: 500; }

.hero__fig img { border: var(--hairline); width: 100%; }

/* ── answer-first block (LLM-first contract) ─────────────────── */
.hero__answer {
  border: 2px solid var(--ink);
  margin-bottom: 2rem;
  max-width: 46rem;
}
.hero__answer-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red);
  padding: 0.6rem 1rem;
  border-bottom: var(--hairline);
}
.hero__answer-text {
  padding: 0.9rem 1rem 1rem;
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.5;
  font-weight: 500;
}

/* ── key facts strip ─────────────────────────────────────────── */
.keyfacts { border-bottom: var(--hairline); padding-block: clamp(1.5rem, 4vw, 2.5rem); }
.keyfacts__box { border: 2px solid var(--ink); }
.keyfacts__label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red);
  padding: 0.6rem 1rem;
  border-bottom: var(--hairline);
}
.keyfacts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.keyfacts__item {
  padding: 0.8rem 1rem;
  border-bottom: var(--hairline);
}
.keyfacts__item:nth-child(odd) { border-right: var(--hairline); }
.keyfacts__item:nth-last-child(-n+2) { border-bottom: 0; }
.keyfacts__item dt {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--grey);
  margin-bottom: 0.3rem;
}
.keyfacts__item dd { font-size: clamp(0.9rem, 1.3vw, 1.05rem); font-weight: 600; letter-spacing: -0.01em; }

/* ── section claim blocks ────────────────────────────────────── */
.claim {
  border-left: 0.35rem solid var(--ink);
  padding-left: 1.25rem;
  margin-bottom: 1.5rem;
  max-width: 52rem;
}
.claim__label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red);
  margin-bottom: 0.45rem;
}
.claim__text {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.55;
  font-weight: 500;
}

/* ── marquee ───────────────────────────────────────────────── */
.marquee {
  border-bottom: var(--hairline);
  overflow: hidden;
  white-space: nowrap;
}
.marquee__track {
  display: inline-flex;
  align-items: center;
  padding-block: 0.7rem;
  animation: marquee 28s linear infinite;
  will-change: transform;
}
.marquee__item {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding-inline: 1.2rem;
}
.marquee__sep {
  width: 0.5rem; height: 0.5rem;
  background: var(--red);
  flex: none;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ── sections ──────────────────────────────────────────────── */
.section { border-bottom: var(--hairline); padding-block: clamp(3.5rem, 9vw, 7.5rem); }

.section__head {
  border-top: 0.35rem solid var(--ink);
  padding-top: 1.1rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
  max-width: 62rem;
}
.section__index {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red);
  margin-bottom: 1rem;
}
.section__title {
  font-size: var(--h-section);
  line-height: 1;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.section__intro { font-size: var(--text-lede); line-height: 1.5; max-width: 46rem; }

/* features grid — visible hairlines */
.feature-grid {
  display: grid;
  border-top: var(--hairline);
  border-left: var(--hairline);
}
.feature {
  border-right: var(--hairline);
  border-bottom: var(--hairline);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.feature__no { font-size: 0.72rem; color: var(--red); letter-spacing: 0.1em; }
.feature__title {
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.feature__text { color: #1a1a1a; }

/* steps */
.steps { border-top: var(--hairline); }
.step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  border-bottom: var(--hairline);
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
}
.step__letter {
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 0.9;
  color: var(--red);
  font-weight: 500;
}
.step__title {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 0.7rem;
}
.step__text { max-width: 52rem; }

/* reviews */
.reviews__agg { margin-top: 1.5rem; font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; }
.reviews__agg-score { color: var(--red); font-weight: 500; }

.review-grid {
  display: grid;
  border-top: var(--hairline);
  border-left: var(--hairline);
}
.review {
  border-right: var(--hairline);
  border-bottom: var(--hairline);
  padding: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.review__stars { color: var(--red); font-size: 1rem; letter-spacing: 0.15em; }
.review__text { font-size: clamp(0.98rem, 1.2vw, 1.1rem); line-height: 1.55; flex: 1 1 auto; }
.review__meta { border-top: var(--hairline); padding-top: 0.9rem; display: grid; gap: 0.25rem; }
.review__name { font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; font-size: 0.92rem; }
.review__role { font-size: 0.72rem; color: var(--grey); text-transform: uppercase; letter-spacing: 0.1em; }

/* contact — mid-page black-bordered block */
.section--contact { background: var(--paper); }
.contact__grid { display: grid; gap: 2.5rem; }
.contact__formwrap { border: 2px solid var(--ink); padding: clamp(1.25rem, 3.5vw, 2.5rem); }

.form-status:empty { display: none; }
.form-status__ok, .form-status__err {
  padding: 0.8rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: var(--hairline);
}
.form-status__ok { background: var(--ink); color: var(--paper); }
.form-status__err { background: var(--red); color: var(--paper); border-color: var(--red); }

.cform__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cform__row { display: grid; gap: 1.25rem; }
.cform__field { display: grid; gap: 0.45rem; margin-bottom: 1.25rem; }
.cform__field label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.cform__field input, .cform__field textarea {
  font: inherit;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink);
  background: var(--paper);
  border: var(--hairline);
  padding: 0.75rem 0.9rem;
  border-radius: 0;
  appearance: none;
  width: 100%;
}
.cform__field input:hover, .cform__field textarea:hover { border-width: 2px; }
.cform__field textarea { resize: vertical; min-height: 9rem; }
.cform__foot {
  display: grid;
  gap: 1rem;
  align-items: center;
  border-top: var(--hairline);
  padding-top: 1.25rem;
}
.cform__privacy { font-size: 0.7rem; color: var(--grey); text-transform: uppercase; letter-spacing: 0.08em; line-height: 1.6; }

/* faq */
.faq__list { border-top: var(--hairline); }
.faq__item { border-bottom: var(--hairline); }
.faq__q {
  display: grid;
  grid-template-columns: 3rem 1fr 2rem;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1.15rem 0;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { color: var(--red); }
.faq__no { color: var(--red); font-size: 0.72rem; letter-spacing: 0.1em; }
.faq__sign { font-size: 1.4rem; text-align: right; }
.faq__item[open] .faq__sign { color: var(--red); }
.faq__a { padding: 0 2rem 1.5rem 3.75rem; max-width: 56rem; }

/* ── footer ────────────────────────────────────────────────── */
.site-foot { padding-block: clamp(3rem, 7vw, 5rem) 2rem; }
.site-foot__top {
  display: grid;
  gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: var(--hairline);
  margin-bottom: 2rem;
}
.brand--foot { font-size: 1.5rem; }
.site-foot__tagline { font-size: var(--text-lede); max-width: 34rem; }
.site-foot__cols {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: var(--hairline);
  margin-bottom: 1.5rem;
}
.site-foot__h {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--red);
  margin-bottom: 0.9rem;
}
.site-foot__col li { padding-block: 0.25rem; }
.site-foot__col a { text-decoration: none; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.03em; }
.site-foot__col a:hover { color: var(--red); }
.site-foot__plain { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--grey); }
.site-foot__bottom { display: grid; gap: 0.4rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--grey); }
.site-foot__bottom a { color: var(--ink); }

/* ── reveal animation ──────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(1.4rem); transition: opacity 480ms ease-out, transform 480ms ease-out; }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ── breakpoints ───────────────────────────────────────────── */
@media (min-width: 640px) {
  .hero__stats { grid-template-columns: repeat(4, 1fr); }
  .cform__row { grid-template-columns: 1fr 1fr; }
  .cform__foot { grid-template-columns: auto 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .keyfacts__grid { grid-template-columns: repeat(3, 1fr); }
  .keyfacts__item:nth-child(odd) { border-right: 0; }
  .keyfacts__item:nth-child(3n+1), .keyfacts__item:nth-child(3n+2) { border-right: var(--hairline); }
  .keyfacts__item:nth-last-child(-n+2) { border-bottom: var(--hairline); }
  .keyfacts__item:nth-last-child(-n+3) { border-bottom: 0; }
  .nav-toggle { display: none; }
  .main-nav { display: flex; align-items: stretch; }
  .main-nav__list { display: flex; align-items: stretch; }
  .main-nav__list a {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding-inline: 1rem;
    border-left: var(--hairline);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .main-nav__list a:hover { background: var(--ink); color: var(--paper); }
  .lang-switch {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    border-left: var(--hairline);
    padding-left: 1rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
  }
  .hero__grid { grid-template-columns: 1.15fr 0.85fr; align-items: end; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 6rem 1fr; gap: 2rem; }
  .site-foot__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
  .keyfacts__grid { grid-template-columns: repeat(6, 1fr); }
  .keyfacts__item { border-bottom: 0 !important; border-right: 0 !important; }
  .keyfacts__item:not(:last-child) { border-right: var(--hairline) !important; }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .review-grid { grid-template-columns: repeat(3, 1fr); }
  .contact__grid { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; align-items: start; }
  .contact__grid .section__head { margin-bottom: 0; position: sticky; top: 6rem; }
  .site-foot__top { grid-template-columns: auto 1fr; align-items: end; justify-content: space-between; }
}

/* ── reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee__track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}