/* ============================================================
   The Oak Design Hotel – Style System
   Aesthetic: dunkel, modern, sans-serif, ruhig.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:        #0a0908;
  --bg-soft:   #14110f;
  --bg-tint:   #1c1815;
  --fg:        #e8e1d5;
  --fg-mute:   #9a9285;
  --fg-dim:    #635c52;
  --line:      #2a2521;
  --brass:     #c8a772;
  --brass-dim: #8e7549;

  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --ease: cubic-bezier(.2, .7, .15, 1);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ---------- Typography (alles sans-serif) ---------- */

.display {
  font-family: var(--sans);
  font-weight: 200;
  letter-spacing: -0.025em;
  line-height: 1.02;
}

.display-xl { font-size: clamp(2.8rem, 8.5vw, 7.5rem); font-weight: 200; }
.display-lg { font-size: clamp(2rem, 5.5vw, 4.5rem); font-weight: 200; }
.display-md { font-size: clamp(1.6rem, 3.2vw, 2.5rem); font-weight: 300; letter-spacing: -0.015em; }

.label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  font-weight: 400;
}

.label-mute {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--brass);
}

p { color: var(--fg-mute); max-width: 62ch; }

em { font-style: normal; color: var(--brass); font-weight: 300; }

/* ---------- Layout ---------- */

.wrap   { max-width: 1440px; margin: 0 auto; padding: 0 clamp(1.5rem, 4vw, 3.5rem); }
.narrow { max-width: 880px; }

section { padding: clamp(6rem, 12vw, 11rem) 0; }

.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Splash Intro ---------- */

.splash {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  transition: opacity 1.2s var(--ease), visibility 1.2s var(--ease);
}
.splash.gone { opacity: 0; visibility: hidden; pointer-events: none; }

.splash-logo {
  width: clamp(180px, 28vw, 320px);
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  animation: splashIn 1.4s var(--ease) 0.2s forwards;
}
.splash-line {
  width: 0;
  height: 1px;
  background: var(--brass);
  animation: splashLine 1.2s var(--ease) 1.4s forwards;
}
.splash-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fg-mute);
  opacity: 0;
  animation: splashTag 1.2s var(--ease) 1.6s forwards;
}
@keyframes splashIn  { to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes splashLine { to { width: 60px; } }
@keyframes splashTag  { to { opacity: 1; } }

body.splash-active { overflow: hidden; }

.main-content {
  opacity: 0;
  transition: opacity 1.5s var(--ease);
}
.main-content.visible { opacity: 1; }

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem clamp(1.5rem, 4vw, 3.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background .4s var(--ease), padding .4s var(--ease), border-color .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 9, 8, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.8rem clamp(1.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand img { height: 44px; width: auto; transition: height .4s var(--ease); }
.nav.scrolled .brand img { height: 36px; }

.nav-links {
  display: flex;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg);
  position: relative;
  padding: 0.5rem 0;
  font-weight: 400;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 0;
  background: var(--brass);
  transition: width .4s var(--ease);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--brass); }

.nav-cta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--fg);
  padding: 0.8rem 1.5rem;
  transition: all .35s var(--ease);
  font-weight: 500;
}
.nav-cta:hover { background: var(--brass); color: var(--bg); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
}

@media (max-width: 880px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: block; }
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  transform: translateY(-100%);
  transition: transform .5s var(--ease);
  padding: 4rem 2rem;
}
.mobile-menu a {
  font-size: 1.8rem;
  font-weight: 200;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.mobile-menu.open { transform: translateY(0); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 14s var(--ease) forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,9,8,0.55) 0%, rgba(10,9,8,0.1) 30%, rgba(10,9,8,0.2) 60%, rgba(10,9,8,0.92) 100%),
    linear-gradient(to right, rgba(10,9,8,0.45) 0%, rgba(10,9,8,0) 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: end;
  padding: 0 clamp(1.5rem, 4vw, 3.5rem) clamp(3rem, 8vw, 7rem);
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.hero-eyebrow { margin-bottom: 1.5rem; color: var(--fg); opacity: 0.85; }
.hero-eyebrow::before { background: var(--fg); }

.hero-title { color: #fff; margin-bottom: 2rem; max-width: 16ch; }
.hero-title em { color: var(--brass); }

.hero-meta {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 1.5rem clamp(1.5rem, 4vw, 3.5rem);
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  gap: 2rem;
}
.hero-meta > div { display: flex; flex-direction: column; gap: 0.4rem; }
.hero-meta .label-mute { color: rgba(255,255,255,0.55); }
.hero-meta .val {
  font-size: 1.1rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: -0.01em;
}
@media (max-width: 720px) {
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}

/* ---------- Section headers ---------- */

.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 5rem;
  align-items: end;
}
.section-head h2 { max-width: 14ch; }
.section-head p { font-size: 1.05rem; }
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Project grid ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2rem, 4vw, 4rem) clamp(2rem, 3vw, 3rem);
}
@media (max-width: 760px) { .project-grid { grid-template-columns: 1fr; } }

.project { display: block; position: relative; overflow: hidden; }
.project:nth-child(even) { transform: translateY(clamp(2rem, 6vw, 5rem)); }

.project-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--bg-soft);
}
.project-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease);
}
.project:hover .project-img img { transform: scale(1.04); }

.project-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,9,8,0.5), transparent 50%);
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.project:hover .project-img::after { opacity: 1; }

.project-meta {
  padding: 1.5rem 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  transition: border-color .4s var(--ease);
}
.project:hover .project-meta { border-color: var(--brass); }
.project-meta h3 {
  font-size: clamp(1.4rem, 2.3vw, 1.9rem);
  font-weight: 300;
  letter-spacing: -0.02em;
}
.project-tags {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

/* ---------- Trio ---------- */

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.trio > div {
  padding: 4rem 2.5rem;
  border-right: 1px solid var(--line);
}
.trio > div:last-child { border-right: 0; }
.trio h4 {
  font-weight: 200;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.trio p { color: var(--fg-mute); font-size: 0.95rem; }
@media (max-width: 880px) {
  .trio { grid-template-columns: 1fr; }
  .trio > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 3rem 0;
  }
  .trio > div:last-child { border-bottom: 0; }
}

/* ---------- Marquee ---------- */

.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 2.5rem 0;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 5rem;
  animation: marquee 40s linear infinite;
  padding-left: 5rem;
}
.marquee span {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 200;
  letter-spacing: -0.015em;
  color: var(--fg-dim);
}
.marquee span::after { content: '·'; margin-left: 5rem; color: var(--brass); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Quote ---------- */

.quote {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
}
.quote-mark {
  font-size: 7rem;
  line-height: 0.8;
  color: var(--brass);
  font-weight: 200;
}
.quote blockquote {
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 200;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--fg);
  margin-bottom: 2rem;
}
.quote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
}
@media (max-width: 760px) {
  .quote { grid-template-columns: 1fr; gap: 1.5rem; }
  .quote-mark { font-size: 4rem; }
}

/* ---------- CTA ---------- */

.cta-block {
  text-align: center;
  padding: clamp(6rem, 12vw, 10rem) 0;
  border-top: 1px solid var(--line);
}
.cta-block h2 { margin-bottom: 2.5rem; }
.cta-block p { margin: 0 auto 3rem; font-size: 1.1rem; }

.btn {
  display: inline-block;
  padding: 1.1rem 2.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  color: var(--fg);
  transition: all .4s var(--ease);
  cursor: pointer;
  background: transparent;
  font-weight: 500;
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn-brass { border-color: var(--brass); color: var(--brass); }
.btn-brass:hover { background: var(--brass); color: var(--bg); }

/* ---------- Footer ---------- */

.footer {
  background: var(--bg-soft);
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-grid h5 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 1.5rem;
  font-weight: 400;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 0.7rem; }
.footer-grid a {
  color: var(--fg-mute);
  font-size: 0.95rem;
  transition: color .3s var(--ease);
}
.footer-grid a:hover { color: var(--brass); }

.footer-brand-row { margin-bottom: 1.5rem; }
.footer-brand-row img { height: 80px; width: auto; }

.footer-tag {
  font-style: italic;
  color: var(--fg-mute);
  font-size: 1.05rem;
  max-width: 28ch;
  font-weight: 200;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; }
}

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

.page-hero {
  padding: 14rem 0 4rem;
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { margin-bottom: 1.5rem; }
.page-hero h1 { max-width: 18ch; }
.page-hero p { margin-top: 2rem; font-size: 1.1rem; max-width: 55ch; }

/* ---------- Duo ---------- */

.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  margin: clamp(4rem, 8vw, 7rem) 0;
}
.duo.reverse > div:first-child { order: 2; }
.duo-text h3 { margin-bottom: 1.5rem; max-width: 14ch; }
.duo-text p { margin-bottom: 1rem; }
.duo-text .label { display: block; margin-bottom: 1.5rem; }
.duo-img img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }

@media (max-width: 880px) {
  .duo { grid-template-columns: 1fr; }
  .duo.reverse > div:first-child { order: initial; }
}

/* ---------- Rooms ---------- */

.room {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(3rem, 6vw, 6rem) 0;
  border-bottom: 1px solid var(--line);
  align-items: center;
}
.room:nth-child(even) .room-img { order: 2; }
.room-img img { aspect-ratio: 5/4; object-fit: cover; width: 100%; }
.room-info .label { margin-bottom: 1.5rem; display: block; }
.room-info h3 { margin-bottom: 1rem; }
.room-info .price {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--brass);
  margin: 1.5rem 0;
  letter-spacing: -0.01em;
}
.room-info ul {
  list-style: none;
  border-top: 1px solid var(--line);
  margin-top: 2rem;
  padding-top: 1.5rem;
}
.room-info li {
  padding: 0.5rem 0;
  font-size: 0.92rem;
  color: var(--fg-mute);
  display: flex;
  gap: 1rem;
}
.room-info li::before { content: '—'; color: var(--brass-dim); }

@media (max-width: 760px) {
  .room { grid-template-columns: 1fr; }
  .room:nth-child(even) .room-img { order: initial; }
}

/* ---------- Feature grid ---------- */

.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.feat {
  border: 1px solid var(--line);
  padding: 2.5rem;
  background: var(--bg-soft);
  transition: border-color .4s var(--ease);
}
.feat:hover { border-color: var(--brass-dim); }
.feat .label { display: block; margin-bottom: 2rem; }
.feat h4 {
  font-weight: 300;
  font-size: 1.6rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.feat p { font-size: 0.92rem; }
@media (max-width: 880px) { .feat-grid { grid-template-columns: 1fr; } }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}
.contact-info dl { display: grid; gap: 2rem; }
.contact-info dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.5rem;
}
.contact-info dd {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--fg);
  margin-left: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.form-field { display: flex; flex-direction: column; }
.form-field.full { grid-column: 1 / -1; }

.form-field label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.5rem;
}
.form-field input,
.form-field textarea,
.form-field select {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 0;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--fg);
  transition: border-color .3s var(--ease);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 0;
  border-color: var(--brass);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field select option { background: var(--bg); color: var(--fg); }

@media (max-width: 760px) {
  .contact-grid, .form-row { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---------- Legal ---------- */

.legal { padding: 14rem 0 6rem; }
.legal h1 { margin-bottom: 3rem; max-width: 18ch; }
.legal h2 {
  font-weight: 300;
  font-size: 1.5rem;
  margin: 3rem 0 1rem;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.legal p, .legal li { color: var(--fg-mute); margin-bottom: 1rem; max-width: 70ch; }
.legal ul { padding-left: 1.5rem; margin-bottom: 1rem; }

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ---------- Grain ---------- */
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.6'/></svg>");
}