/* AMM International — the house with two doors.
   Paper #FAFAF7 · Ink #16171B · ARJUNA ultramarine #2036B1 · ARANEE cognac #8A4B2A */

:root {
  --paper: #fafaf7;
  --ink: #16171b;
  --ink-soft: #4c4e56;
  --hairline: #e8e7e1;
  --ultramarine: #2036b1;
  --cognac: #8a4b2a;
  --bone: #f4efe6;
  --font-display: "Satoshi", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Bodoni Moda", serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

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

html, body { height: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- preloader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  background: var(--paper);
}

.loader__word {
  display: flex;
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 900;
  letter-spacing: 0.18em;
}

.loader__word span {
  display: inline-block;
  transform: translateY(110%);
  opacity: 0;
}

.loader__line {
  width: min(220px, 40vw);
  height: 2px;
  overflow: hidden;
  background: var(--hairline);
}

.loader__line span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left center;
}

.loader.is-done { pointer-events: none; }

/* ---------- particles ---------- */
#dust {
  position: fixed;
  inset: 0;
  z-index: 10;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
}

/* ---------- layout ---------- */
.page {
  display: flex;
  flex-direction: column;
  height: 100dvh;
}

.strip {
  position: relative;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.15rem clamp(1.25rem, 4vw, 3rem);
  background: var(--paper);
}

.strip--top { border-bottom: 1px solid var(--hairline); }
.strip--bottom { border-top: 1px solid var(--hairline); }

.strip__brand {
  display: flex;
  font-size: clamp(0.95rem, 1.8vw, 1.3rem);
  font-weight: 900;
  letter-spacing: 0.24em;
}

.strip__brand span { display: inline-block; will-change: transform, opacity; }

.strip__place,
.strip__fact {
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.strip__fact { color: var(--ink); text-decoration: none; text-transform: none; position: relative; }

a.strip__fact::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.25em;
  height: 2px;
  background: var(--ultramarine);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

a.strip__fact:hover::after { transform: scaleX(1); }

.strip__fact--muted { color: var(--ink-soft); }

/* ---------- doors ---------- */
.doors {
  display: flex;
  flex: 1;
  min-height: 0;
}

.door {
  position: relative;
  display: flex;
  flex: 1;
  align-items: flex-end;
  overflow: hidden;
  color: var(--paper);
  text-decoration: none;
  transition: flex-grow 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.door:hover, .door:focus-visible { flex-grow: 1.45; }
.door:focus-visible { outline: 3px solid var(--ultramarine); outline-offset: -3px; }

.door__media {
  position: absolute;
  inset: -6% 0;
  display: block;
  will-change: transform;
}

.door__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1), filter 900ms ease;
  filter: saturate(0.92);
}

.door:hover .door__media img { transform: scale(1.12); filter: saturate(1.05); }

.door__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgb(15 16 20 / 0.80) 0%,
    rgb(15 16 20 / 0.32) 46%,
    rgb(15 16 20 / 0.10) 100%);
  transition: opacity 600ms ease;
}

.door:hover .door__veil { opacity: 0.85; }

.door--aranee { color: var(--bone); }

.door__num {
  position: absolute;
  top: clamp(0.9rem, 2.5vw, 1.8rem);
  right: clamp(1rem, 2.5vw, 1.8rem);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  opacity: 0.65;
}

.door__content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  max-width: 36rem;
  padding: clamp(1.5rem, 4vw, 3.2rem);
}

.door__wordmark {
  overflow: hidden;
  font-size: clamp(2.4rem, 5.6vw, 4.6rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.05;
}

.door__wordmark--serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.door__wordmark .char { display: inline-block; will-change: transform, opacity; }

.door__line {
  max-width: 42ch;
  font-size: 0.95rem;
  line-height: 1.55;
  opacity: 0.9;
}

.door__cta--frame {
  position: relative;
  display: inline-block;
  align-self: flex-start;
  overflow: hidden;
  margin-top: 0.4rem;
  padding: 0.78rem 1.35rem;
  border: 1px solid var(--paper);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  isolation: isolate;
}

.door__cta--frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ultramarine);
  transform: translateY(101%);
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.door--arjuna:hover .door__cta--frame::before { transform: translateY(0); }
.door--arjuna:hover .door__cta--frame { border-color: var(--ultramarine); }

.door__cta--serif {
  align-self: flex-start;
  margin-top: 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  text-decoration: underline;
  text-decoration-color: #b5764f;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.35em;
}

.door__cta--serif .arrow {
  display: inline-block;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.door--aranee:hover .arrow { transform: translateX(0.5em); }

.door:active .door__content { transform: scale(0.99); }

/* entrance states (animated by JS) */
.js .door__content > * { opacity: 0; }
.js .strip__brand span { opacity: 0; }
.js .strip__place, .js .strip__fact { opacity: 0; }

/* ---------- mobile ---------- */
@media (max-width: 760px) {
  body { overflow: auto; }
  .page { height: auto; min-height: 100dvh; }
  .doors { flex-direction: column; }
  .door, .door:hover, .door:focus-visible { flex-grow: 1; }
  .door { min-height: 58dvh; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .loader { display: none; }
  #dust { display: none; }
  .js .door__content > *, .js .strip__brand span, .js .strip__place, .js .strip__fact { opacity: 1; }
  .door, .door__media img, .door__cta--frame::before, .door__cta--serif .arrow { transition: none; }
  .door:hover, .door:focus-visible { flex-grow: 1; }
}