/* ================================================================
   ARUENTIS — landing
   Ink / cream monochrome. Gold only as a rare, small accent.
   ================================================================ */

@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 100 800;
  font-display: block;
  src: url('fonts/sora-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-weight: 100 800;
  font-display: block;
  src: url('fonts/sora-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --ink: #0B0B0C;
  --ink-soft: rgba(11, 11, 12, 0.62);
  --ink-hair: rgba(11, 11, 12, 0.14);
  --ink-ghost: rgba(11, 11, 12, 0.05);
  --cream: #F4F1EA;
  --cream-soft: rgba(244, 241, 234, 0.6);
  --cream-hair: rgba(244, 241, 234, 0.16);
  --gold: #B08D57;

  /* modular spacing scale */
  --s-1: 0.62rem;
  --s0: 1rem;
  --s1: 1.62rem;
  --s2: 2.62rem;
  --s3: 4.24rem;
  --s4: 6.85rem;
  --s5: 11rem;

  --font: 'Sora', 'Avenir Next', 'Helvetica Neue', sans-serif;
  --ease-lux: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1.25rem, 4.5vw, 4rem);
  --nav-h: 4.25rem;
}

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

html { -webkit-text-size-adjust: 100%; }
/* Native smooth anchors only when JS (and therefore Lenis) is absent */
html.no-js { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html.no-js { scroll-behavior: auto; }
}
html.menu-open, html.menu-open body { overflow: hidden; }

body {
  font-family: var(--font);
  font-weight: 300;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

::selection { background: var(--ink); color: var(--cream); }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
  border-radius: 1px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ---------------------------------------------------------------
   Wordmark — delivered logo files (site/logo/), 2144 × 171 px.
   logo-black.png on light backgrounds, logo-white.png on dark.
   --------------------------------------------------------------- */
.logo { display: block; height: auto; }
.logo--nav { width: clamp(122px, 16vw, 176px); }
.logo--footer { width: clamp(180px, 26vw, 300px); }

/* Hero wordmark: the mark sliced per letter (exact source-pixel
   positions inline in the markup) so each letter can drift on
   scroll. The sheen strips share one --sweep variable. */
.heromark {
  position: relative;
  display: block;
  width: min(92vw, 1380px);
  aspect-ratio: 2144 / 171;
  --sweep: -40;
}
.hm-l {
  position: absolute;
  top: 0;
  height: 100%;
  display: block;
  overflow: hidden;
}
.hm-l img {
  display: block;
  width: 100%;
  height: 100%;
}
.hm-sheen {
  position: absolute;
  top: 0;
  height: 100%;
  display: block;
  pointer-events: none;
  background-image: linear-gradient(90deg, transparent 42%, #55555a 50%, transparent 58%);
  background-size: 30% 100%;
  background-repeat: no-repeat;
  background-position-x: calc(var(--sweep) * 1%);
  -webkit-mask-image: url('logo/logo-white.png');
  -webkit-mask-size: 100% 100%;
  mask-image: url('logo/logo-white.png');
  mask-size: 100% 100%;
}

/* ---------------------------------------------------------------
   Preloader
   --------------------------------------------------------------- */
.preloader {
  position: fixed; inset: 0; z-index: 60;
  background: var(--ink);
  color: var(--cream);
  display: grid; place-items: center;
  clip-path: inset(0% 0% 0% 0%);
}
.no-js .preloader { display: none; }
.preloader__inner {
  display: grid;
  justify-items: center;
  gap: var(--s2);
  width: min(72vw, 380px);
}
.preloader__mark {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 2144 / 171;
}
.preloader__mark img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.preloader__ghost { opacity: 0.12; }
.preloader__logo { clip-path: inset(0 100% 0 0); } /* wipes open with progress */
.preloader__row {
  display: flex; justify-content: space-between; align-items: baseline;
  width: 100%;
  border-top: 1px solid var(--cream-hair);
  padding-top: var(--s0);
}
.preloader__label {
  font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.42em; text-indent: 0.42em;
}
.preloader__count {
  font-size: 0.75rem; font-weight: 300;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
  color: var(--cream-soft);
}

/* ===============================================================
   NAVIGATION — design-system component
   Header bar + toggle + full-screen overlay menu.
   Copy .nav + .menu markup and these blocks to any future page.
   =============================================================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: calc(var(--nav-h) + env(safe-area-inset-top));
  display: flex; justify-content: space-between; align-items: center;
  padding: env(safe-area-inset-top) var(--gutter) 0;
  color: var(--cream);
  mix-blend-mode: difference;
  pointer-events: none;
}
.nav a, .nav button { pointer-events: auto; }
.nav__brand { display: block; }
/* While the overlay menu is open the brand always shows (the hero
   mark is covered, so no duplicate) — overrides the scroll state. */
.menu-open .nav__brand {
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  transition: opacity 0.5s var(--ease-lux);
}

.nav__link {
  font-size: 0.6875rem; font-weight: 400;
  letter-spacing: 0.3em; text-indent: 0.3em;
  text-transform: uppercase;
  padding: 0.5em 0;
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.55s var(--ease-lux);
}
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); transform-origin: left; }
/* Plain contact link only when JS is unavailable */
.js .nav__link--fallback { display: none; }

.nav__toggle {
  display: inline-flex; align-items: center; gap: 0.9em;
  background: none; border: 0; color: inherit;
  font: inherit; cursor: pointer;
  min-height: 44px; /* touch target */
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.no-js .nav__toggle { display: none; }
.nav__toggle-label {
  font-size: 0.6875rem; font-weight: 400;
  letter-spacing: 0.3em; text-indent: 0.3em;
  text-transform: uppercase;
}
.nav__toggle-icon {
  position: relative;
  width: 26px; height: 14px;
  display: block;
}
.nav__toggle-icon i {
  position: absolute; left: 0; right: 0;
  height: 1.5px; background: currentColor;
  transition: transform 0.5s var(--ease-lux);
}
.nav__toggle-icon i:first-child { top: 2px; }
.nav__toggle-icon i:last-child { bottom: 2px; }
.nav__toggle[aria-expanded="true"] .nav__toggle-icon i:first-child {
  transform: translateY(4.25px) rotate(45deg);
}
.nav__toggle[aria-expanded="true"] .nav__toggle-icon i:last-child {
  transform: translateY(-4.25px) rotate(-45deg);
}

/* Overlay menu */
.menu {
  position: fixed; inset: 0; z-index: 45;
  background: var(--ink);
  color: var(--cream);
  display: flex; flex-direction: column;
  justify-content: center;
  gap: var(--s3);
  padding:
    calc(var(--nav-h) + env(safe-area-inset-top)) var(--gutter)
    calc(var(--s1) + env(safe-area-inset-bottom));
  visibility: hidden;
  clip-path: inset(0 0 100% 0);
}
.menu.is-open { visibility: visible; }
.menu:focus-visible { outline: none; } /* container focus is programmatic */

.menu__nav { display: grid; }
.menu__link {
  display: flex; align-items: baseline; gap: var(--s1);
  padding: var(--s-1) 0;
  border-top: 1px solid var(--cream-hair);
  -webkit-tap-highlight-color: transparent;
}
.menu__link:last-child { border-bottom: 1px solid var(--cream-hair); }
.menu__num {
  font-size: 0.6875rem; font-weight: 400;
  letter-spacing: 0.2em;
  font-variant-numeric: tabular-nums;
  color: var(--gold); /* rare, small gold accent */
  min-width: 2.2em;
}
.menu__word {
  font-size: clamp(1.9rem, 1rem + 5vw, 4rem);
  font-weight: 300;
  line-height: 1.25;
  letter-spacing: 0.02em;
  transition: transform 0.55s var(--ease-lux), opacity 0.55s var(--ease-lux);
}
.menu__link:hover .menu__word,
.menu__link:focus-visible .menu__word,
.menu__link:active .menu__word { transform: translateX(0.35em); }
.menu:has(.menu__link:hover) .menu__link:not(:hover) .menu__word { opacity: 0.35; }

.menu__foot {
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: var(--s-1) var(--s1);
  border-top: 1px solid var(--cream-hair);
  padding-top: var(--s0);
}
.menu__mail {
  font-size: 0.875rem; font-weight: 300;
  letter-spacing: 0.04em;
  border-bottom: 1px solid transparent;
  transition: border-color 0.4s var(--ease-lux);
}
.menu__mail:hover, .menu__mail:focus-visible { border-bottom-color: currentColor; }
.menu__copy {
  font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.24em; text-indent: 0.24em;
  text-transform: uppercase;
  color: var(--cream-soft);
}

/* ---------------------------------------------------------------
   Hero
   --------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: clip;
  background: var(--cream);
}

/* Oversized ghost chevron — quiet monochrome depth */
.hero__ghost {
  position: absolute;
  right: -14vmin; bottom: -10vmin;
  width: clamp(360px, 74vmin, 820px);
  height: auto;
  opacity: 0.05;
  pointer-events: none;
}

.hero__center {
  grid-row: 1;
  align-self: center;
  justify-self: center;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: var(--s2);
  padding: calc(var(--nav-h) + var(--s2)) var(--gutter) 0;
  width: 100%;
}
.hero__mark-wrap { display: flex; justify-content: center; width: 100%; }
.hero__line {
  font-size: clamp(0.9375rem, 1rem + 0.4vw, 1.1875rem);
  font-weight: 300;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  max-width: 34em;
  margin-top: var(--s1);
}
.hero__cta { margin-top: var(--s-1); }

.btn {
  display: inline-flex; align-items: center; gap: 0.9em;
  border: 1px solid var(--ink);
  padding: 1.05em 2em;
  font-size: 0.6875rem; font-weight: 400;
  letter-spacing: 0.3em; text-indent: 0.3em;
  text-transform: uppercase;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  transition: color 0.5s var(--ease-lux);
  -webkit-tap-highlight-color: transparent;
}
.btn::before {
  content: '';
  position: absolute; inset: 0; z-index: -1;
  background: var(--ink);
  transform: translateY(101%);
  transition: transform 0.55s var(--ease-lux);
}
.btn:hover, .btn:focus-visible, .btn:active { color: var(--cream); }
.btn:hover::before, .btn:focus-visible::before, .btn:active::before { transform: translateY(0); }
.btn__arrow { font-family: 'Helvetica Neue', sans-serif; letter-spacing: 0; text-indent: 0; transition: transform 0.55s var(--ease-lux); }
.btn:hover .btn__arrow { transform: translateX(0.35em); }

.hero__foot {
  grid-row: 2;
  display: flex; justify-content: space-between; align-items: baseline;
  flex-wrap: wrap; gap: var(--s-1) var(--s1);
  /* Extra bottom clearance so the row never hides under a phone's
     browser bar / home indicator. */
  padding: 0 var(--gutter) calc(var(--s2) + env(safe-area-inset-bottom));
}
.hero__foot-item {
  font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.28em; text-indent: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------
   Shared section bits
   --------------------------------------------------------------- */
.label {
  font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.42em; text-indent: 0.42em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: var(--s2);
}

/* ---------------------------------------------------------------
   What we build — ink section
   --------------------------------------------------------------- */
.build {
  position: relative;
  background: var(--ink);
  color: var(--cream);
  overflow: clip;
}
.build__glow {
  position: absolute;
  width: 56rem; height: 56rem;
  left: 0; top: 0;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(244, 241, 234, 0.05), transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  will-change: transform;
}
.build__inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--s5) var(--gutter);
}
.build__heading,
.contact__heading {
  font-size: clamp(1.9rem, 1.2rem + 3.8vw, 4.2rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
.build__heading { margin-bottom: var(--s4); }

.build__list {
  list-style: none;
  display: grid;
}
.build__item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  grid-template-areas: 'num name' 'num desc';
  column-gap: var(--s1);
  row-gap: var(--s-1);
  padding: var(--s2) 0;
  border-top: 1px solid var(--cream-hair);
}
.build__item:last-child { border-bottom: 1px solid var(--cream-hair); }
.build__num {
  grid-area: num;
  font-size: 0.6875rem; font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--gold); /* rare, small gold accent */
  padding-top: 0.5em;
  font-variant-numeric: tabular-nums;
}
.build__name {
  grid-area: name;
  font-size: clamp(1.25rem, 1rem + 1.4vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
}
.build__desc {
  grid-area: desc;
  font-size: 0.9375rem;
  color: var(--cream-soft);
  max-width: 36em;
}

@media (min-width: 720px) {
  .build__item {
    grid-template-columns: 3.5rem 1fr 1.6fr;
    grid-template-areas: 'num name desc';
    align-items: start;
    column-gap: var(--s3);
  }
  .build__desc { padding-top: 0.55em; }
}

/* ---------------------------------------------------------------
   FAQ — cream, mirrors the "what we build" two-column rhythm
   --------------------------------------------------------------- */
.faq {
  background: var(--cream);
  color: var(--ink);
  overflow: clip;
}
.faq__inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--s5) var(--gutter) var(--s4);
}
.faq__list { display: grid; }
.faq__item {
  display: grid;
  gap: var(--s-1);
  padding: var(--s2) 0;
  border-top: 1px solid var(--ink-hair);
}
.faq__item:last-child { border-bottom: 1px solid var(--ink-hair); }
.faq__q {
  font-size: clamp(1.05rem, 0.9rem + 0.9vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.02em;
}
.faq__a {
  font-size: 0.9375rem;
  color: var(--ink-soft);
  max-width: 46em;
}
.faq__link {
  border-bottom: 1px solid var(--ink-hair);
  transition: border-color 0.4s var(--ease-lux);
}
.faq__link:hover, .faq__link:focus-visible { border-bottom-color: currentColor; }

@media (min-width: 720px) {
  .faq__item {
    grid-template-columns: 1fr 1.4fr;
    column-gap: var(--s3);
    align-items: start;
  }
}

/* ---------------------------------------------------------------
   Contact
   --------------------------------------------------------------- */
.contact {
  background: var(--cream);
  color: var(--ink);
  overflow: clip;
}
.contact__inner {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--s5) var(--gutter);
}
.contact__heading { margin-bottom: var(--s3); }
.contact__mail {
  display: inline-block;
  font-size: clamp(1.05rem, 0.8rem + 1.8vw, 1.9rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 0.35em;
  word-break: break-all;
}
.contact__mail-line {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--ink);
  transform-origin: left;
  transition: transform 0.6s var(--ease-lux);
}
.contact__mail:hover .contact__mail-line,
.contact__mail:focus-visible .contact__mail-line {
  transform: scaleX(0.4);
}

/* ---------------------------------------------------------------
   Footer
   --------------------------------------------------------------- */
.footer {
  background: var(--cream);
  padding: 0 var(--gutter) calc(var(--s1) + env(safe-area-inset-bottom));
}
.footer .logo--footer { margin: 0 auto var(--s2); }
.footer__row {
  display: flex; justify-content: space-between; gap: var(--s0);
  border-top: 1px solid var(--ink-hair);
  padding-top: var(--s0);
  font-size: 0.625rem; font-weight: 400;
  letter-spacing: 0.24em; text-indent: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------
   Grain — barely-there film texture
   --------------------------------------------------------------- */
.grain {
  position: fixed; inset: -50%; z-index: 55;
  pointer-events: none;
  opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------------------------------------------------------
   Reduced motion — calm, static
   --------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .nav__link::after,
  .nav__toggle-icon i,
  .menu__word, .menu__mail,
  .btn, .btn::before, .btn__arrow,
  .contact__mail-line { transition: none; }
}