/* =========================================================================
   otau-rugs.com — warm sand, editorial serif
   Token-Architektur nach maxim-buz.dev, Farbwelt nach Otau-Marke:
   warme Sandtöne, kein Weiß, kein kaltes Grau, kein Blau, Bronze-Akzent.
   Fonts sind Platzhalter, bis die Identität vom Designer kommt.
   ========================================================================= */

:root {
  /* canvas */
  --sand: #f4eee2;
  --sand-deep: #ece4d3;
  --hairline: rgba(36, 33, 28, 0.12);
  --hairline-strong: rgba(36, 33, 28, 0.24);

  /* ink tones (warmes Tintenschwarz, abgestuft) */
  --ink: rgba(36, 33, 28, 0.96);
  --ink-soft: rgba(36, 33, 28, 0.78);
  --ink-dim: rgba(36, 33, 28, 0.58);
  --ink-mute: rgba(36, 33, 28, 0.4);
  --ink-quiet: rgba(36, 33, 28, 0.24);

  /* accent: Gold-Bronze */
  --bronze: #8d6e2a;
  --bronze-deep: #74591f;

  /* type */
  --serif-display: "Cormorant Garamond", Georgia, serif;
  --serif-body: "EB Garamond", Georgia, serif;

  /* tracking */
  --track-wide: 0.22em;
  --track-mid: 0.08em;

  /* spacing */
  --pad-x: clamp(20px, 5vw, 64px);
  --pad-y: clamp(18px, 3.5vw, 40px);

  /* curves */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-ink: cubic-bezier(0.72, 0, 0.18, 1);
}

/* ---- reset ------------------------------------------------------------ */

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; height: auto; }
button, input { font: inherit; color: inherit; }
ul { list-style: none; }

/* ---- base ------------------------------------------------------------- */

html, body {
  background: var(--sand);
  color: var(--ink);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(141, 110, 42, 0.25);
}

a { color: inherit; }

:focus-visible {
  outline: 1.5px solid var(--bronze);
  outline-offset: 3px;
}

/* ---- atmosphere: grain + vignette ------------------------------------- */

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  opacity: 0.07;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.14  0 0 0 0 0.13  0 0 0 0 0.11  0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 180px 180px;
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 85% 70% at 50% 38%,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0) 55%,
      rgba(78, 49, 43, 0.06) 100%);
}

.page {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ---- entry + scroll reveals ------------------------------------------- */

.reveal {
  opacity: 0;
  transform: translateY(10px);
  animation: fade-rise 700ms var(--ease-out) var(--d, 0ms) forwards;
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out);
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes fade-rise {
  to { opacity: 1; transform: none; }
}

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

/* ---- language toggle --------------------------------------------------- */

html[data-lang="en"] .lang-de { display: none; }
html[data-lang="de"] .lang-en { display: none; }

/* ---- top bar ----------------------------------------------------------- */

.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--pad-y) var(--pad-x);
  border-bottom: 1px solid var(--hairline);
}

.wordmark {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: 1.35rem;
  letter-spacing: 0.6em;
  margin-right: -0.6em;
  color: var(--bronze);
}

.lang-btn {
  background: none;
  border: none;
  font-size: 0.72rem;
  letter-spacing: var(--track-mid);
  color: var(--ink-mute);
  cursor: pointer;
  padding: 0.2rem 0.1rem;
  transition: color 220ms var(--ease-out);
}

.lang-btn:hover { color: var(--ink-soft); }

html[data-lang="en"] .lang-btn[data-set-lang="en"],
html[data-lang="de"] .lang-btn[data-set-lang="de"] {
  color: var(--bronze);
}

.lang-sep { color: var(--ink-quiet); font-size: 0.72rem; }

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

main { flex: 1; }

.hero {
  min-height: calc(88dvh - 80px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: clamp(3rem, 9vh, 6rem) var(--pad-x) clamp(2rem, 6vh, 4rem);
  max-width: 60rem;
  margin: 0 auto;
}

.kicker {
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: clamp(1.2rem, 3vh, 2rem);
}

.hero-line {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 4.6vw, 3.3rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
  max-width: 24ch;
  color: var(--ink);
}

/* ---- signup ------------------------------------------------------------ */

.signup {
  margin-top: clamp(2.2rem, 6vh, 3.8rem);
  width: 100%;
  max-width: 30rem;
}

.signup-lead {
  font-size: 1.08rem;
  font-style: italic;
  color: var(--ink-soft);
  margin-bottom: 1.3rem;
}

.field-row {
  display: flex;
  border: 1px solid var(--hairline-strong);
  background: rgba(236, 228, 211, 0.6);
  border-radius: 2px;
  transition: border-color 260ms var(--ease-out);
}

.field-row:focus-within {
  border-color: var(--bronze);
}

#email {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  color: var(--ink);
}

#email::placeholder { color: var(--ink-mute); }
#email:focus { outline: none; }

.hp {
  position: absolute;
  left: -6000px;
  height: 1px;
  width: 1px;
}

#submit-btn {
  border: none;
  background: var(--bronze);
  color: var(--sand);
  font-size: 0.72rem;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  padding: 0 1.5rem;
  margin: 4px;
  border-radius: 1px;
  cursor: pointer;
  transition: background 240ms var(--ease-out);
}

#submit-btn:hover { background: var(--bronze-deep); }
#submit-btn:disabled { opacity: 0.55; cursor: default; }

.form-msg {
  margin-top: 0.8rem;
  font-size: 0.98rem;
  min-height: 1.5em;
}

.form-msg.ok { color: var(--bronze); }
.form-msg.err { color: #7a3b2e; }

.consent {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--ink-mute);
}

.consent a {
  color: var(--ink-dim);
  text-underline-offset: 2px;
}

.scroll-hint {
  margin-top: clamp(2rem, 6vh, 3.5rem);
  color: var(--ink-quiet);
  font-size: 0.9rem;
  animation-name: fade-rise, drift;
  animation-duration: 700ms, 2600ms;
  animation-timing-function: var(--ease-out), ease-in-out;
  animation-delay: var(--d, 0ms), 1400ms;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
}

@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-hint { animation: none; opacity: 1; transform: none; }
}

/* ---- story ------------------------------------------------------------- */

.story {
  max-width: 34rem;
  margin: 0 auto;
  padding: clamp(3rem, 8vh, 5.5rem) var(--pad-x) clamp(3.5rem, 9vh, 6rem);
}

.story-rule {
  width: 48px;
  height: 1px;
  background: var(--bronze);
  margin: 0 auto clamp(2.5rem, 6vh, 4rem);
}

.story p {
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}

.story p:first-of-type::first-letter {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: 3.2em;
  float: left;
  line-height: 0.82;
  padding-right: 0.12em;
  color: var(--bronze);
}

/* ---- signature (from maxim-buz.dev, pen-drawing animation) ------------- */

.signature-wrap {
  margin-top: clamp(2rem, 5vh, 3rem);
  display: flex;
  justify-content: flex-end;
}

.signature {
  width: clamp(180px, 34vw, 260px);
  height: auto;
  color: var(--ink-soft);
  /* no-JS / reduced-motion fallback: simple swipe reveal */
  clip-path: inset(0 100% 0 0);
}

.signature-wrap.is-visible .signature {
  animation: ink-reveal 1500ms var(--ease-ink) 250ms forwards;
}

.signature.is-writing {
  clip-path: none;
  animation: none;
}

.signature.is-writing path {
  fill-opacity: 0;
  stroke: currentColor;
  stroke-width: 0.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@keyframes ink-reveal {
  to { clip-path: inset(0 0 0 0); }
}

@media (prefers-reduced-motion: reduce) {
  .signature { clip-path: none; animation: none; }
}

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

.site-footer {
  border-top: 1px solid var(--hairline);
  padding: clamp(2rem, 5vh, 3rem) var(--pad-x) calc(var(--pad-y) + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  text-align: center;
}

.contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 2.2rem;
  font-size: 0.92rem;
}

.contacts a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 240ms var(--ease-out);
}

.contacts a:hover { color: var(--ink); }

.contacts a > span:first-child {
  position: relative;
}

.contacts a > span:first-child::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 380ms var(--ease-out);
}

.contacts a:hover > span:first-child::after,
.contacts a:focus-visible > span:first-child::after {
  transform: scaleX(1);
}

.contacts .arrow {
  font-size: 0.75rem;
  color: var(--ink-quiet);
  transition: transform 280ms var(--ease-out), color 280ms var(--ease-out);
  display: inline-block;
}

.contacts a:hover .arrow {
  transform: translate(2px, -2px);
  color: var(--bronze);
}

.ships {
  font-style: italic;
  font-size: 0.92rem;
  color: var(--ink-mute);
}

.legal {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  letter-spacing: var(--track-mid);
  color: var(--ink-mute);
}

.legal .dot { color: var(--ink-quiet); }

.legal a {
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 220ms var(--ease-out);
}

.legal a:hover { color: var(--bronze); }

.legal .meta { color: var(--ink-quiet); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ---- legal pages ------------------------------------------------------- */

.legal-page {
  max-width: 40rem;
  margin: 0 auto;
  padding: var(--pad-y) var(--pad-x) 4rem;
}

.legal-page .wordmark {
  margin-bottom: 1rem;
}

.legal-page h1 {
  font-family: var(--serif-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 2rem 0 1.5rem;
}

.legal-page h2 {
  font-family: var(--serif-display);
  font-weight: 400;
  font-size: 1.3rem;
  margin: 1.8rem 0 0.5rem;
}

.legal-page p, .legal-page ul { margin-bottom: 0.9rem; color: var(--ink-soft); }
.legal-page ul { padding-left: 1.2rem; list-style: disc; }
.legal-page a { color: var(--bronze); }

.back-link {
  display: inline-block;
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--ink-dim);
}

/* ---- small screens ------------------------------------------------------ */

@media (max-width: 520px) {
  .hero { min-height: calc(86dvh - 70px); }
  .hero-line { font-size: clamp(1.7rem, 8vw, 2rem); }

  .field-row { flex-direction: column; border: none; background: none; gap: 0.6rem; }
  #email {
    border: 1px solid var(--hairline-strong);
    background: rgba(236, 228, 211, 0.6);
    border-radius: 2px;
  }
  #email:focus { border-color: var(--bronze); }
  #submit-btn { margin: 0; padding: 0.85rem 1.5rem; border-radius: 2px; }

  .contacts { flex-direction: column; gap: 0.5rem; }
  .signature { width: clamp(160px, 52vw, 220px); }
}