/* RAUMFEIN — Innenarchitektur & Interior Design, Zürich
   Fiktives Demo-Projekt · gestaltet von loew.me */

:root {
  --offwhite: #efe9e0;
  --greige: #e4ddd1;
  --ink: #20201d;
  --ink-soft: #3a382f;
  --accent: #b07a52;      /* Messing / Terracotta */
  --accent-dark: #8f5f3d;
  --line: rgba(32, 32, 29, 0.14);
  --serif: "Cormorant Garamond", "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --maxw: 1320px;
  --gut: clamp(1.25rem, 4vw, 4rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--offwhite);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

h1 { font-size: clamp(2.8rem, 8vw, 6.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.8rem); }
h3 { font-size: clamp(1.4rem, 2.6vw, 2rem); }

p { margin: 0 0 1.1em; }

.label {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 1.2rem;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gut);
}

.narrow { max-width: 760px; }

/* Skip link */
.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--offwhite);
  padding: 0.7rem 1.2rem;
  z-index: 200;
}
.skip:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gut);
  transition: background 0.5s var(--ease), padding 0.5s var(--ease), box-shadow 0.5s var(--ease);
  color: var(--offwhite);
}
.site-header.solid {
  background: rgba(239, 233, 224, 0.94);
  backdrop-filter: blur(10px);
  color: var(--ink);
  padding: 0.85rem var(--gut);
  box-shadow: 0 1px 0 var(--line);
}
.brand {
  font-family: var(--serif);
  font-size: 1.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 600;
}
.brand span { color: var(--accent); }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.4rem);
}
.nav a {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 1px; width: 0;
  background: var(--accent);
  transition: width 0.35s var(--ease);
}
.nav a:hover::after,
.nav a.active::after { width: 100%; }
.nav a.active { color: var(--accent); }

.nav .btn-nav {
  border: 1px solid currentColor;
  padding: 0.6rem 1.3rem;
  border-radius: 40px;
}
.nav .btn-nav::after { display: none; }
.nav .btn-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--offwhite);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  z-index: 120;
}
.hamburger span {
  width: 26px; height: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .hamburger { display: flex; }
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    background: var(--ink);
    color: var(--offwhite);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
  }
  .nav.open { transform: translateX(0); }
  .nav a { font-size: 1.1rem; }
  .nav .btn-nav { border-color: var(--offwhite); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--offwhite);
  overflow: hidden;
}
.hero .bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: -2;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,20,18,0.45) 0%, rgba(20,20,18,0.1) 35%, rgba(20,20,18,0.75) 100%);
  z-index: -1;
}
.hero-inner {
  padding-bottom: clamp(3rem, 9vh, 7rem);
  padding-top: 8rem;
}
.hero h1 { margin-bottom: 0.2em; }
.hero .lede {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  font-style: italic;
  max-width: 30ch;
  opacity: 0.95;
}
.hero .label { color: var(--offwhite); opacity: 0.85; }

.scroll-cue {
  position: absolute;
  bottom: 1.6rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  opacity: 0.7;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  text-decoration: none;
  padding: 1rem 2rem;
  border-radius: 40px;
  background: var(--accent);
  color: var(--offwhite);
  border: 1px solid var(--accent);
  transition: background 0.35s var(--ease), transform 0.35s var(--ease), color 0.35s var(--ease);
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); }
.btn.ghost {
  background: transparent;
  color: currentColor;
  border-color: currentColor;
}
.btn.ghost:hover { background: var(--ink); color: var(--offwhite); border-color: var(--ink); transform: translateY(-2px); }

/* ---------- Sections ---------- */
section { position: relative; }
.pad { padding: clamp(4.5rem, 11vh, 9rem) 0; }
.pad-sm { padding: clamp(3rem, 7vh, 5rem) 0; }

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
@media (max-width: 820px) { .intro-grid { grid-template-columns: 1fr; } }

.eyebrow-lead {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-style: italic;
  color: var(--ink-soft);
}

/* Full-bleed image bands */
.band {
  position: relative;
  width: 100vw;
  left: 50%;
  transform: translateX(-50%);
  height: clamp(60vh, 78vh, 900px);
  overflow: hidden;
}
.band img {
  position: absolute;
  inset: -12% 0;
  width: 100%;
  height: 124%;
  object-fit: cover;
  will-change: transform;
}
.band .band-caption {
  position: absolute;
  left: var(--gut);
  bottom: clamp(2rem, 6vh, 4rem);
  color: var(--offwhite);
  max-width: 34ch;
  z-index: 2;
}
.band::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,20,18,0.15), rgba(20,20,18,0.55));
}
.band .band-caption { z-index: 3; }
.band .band-caption .label { color: var(--accent); }
.band .band-caption h2 { color: var(--offwhite); }

/* ---------- Services teaser ---------- */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service {
  background: var(--offwhite);
  padding: clamp(1.8rem, 3vw, 2.8rem);
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.service:hover { background: var(--ink); color: var(--offwhite); }
.service:hover .label { color: var(--accent); }
.service .num {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--accent);
  display: block;
  margin-bottom: 1.2rem;
}
.service h3 { margin-bottom: 0.5rem; }
.service p { font-size: 0.95rem; margin: 0; opacity: 0.85; }

/* ---------- Projects grid ---------- */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
}
.proj {
  position: relative;
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: var(--offwhite);
  background: var(--ink);
}
.proj img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter 0.6s var(--ease);
  filter: saturate(0.95);
}
.proj:hover img { transform: scale(1.06); filter: saturate(1.05); }
.proj .cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background: linear-gradient(180deg, transparent, rgba(20,20,18,0.8));
  transform: translateY(0.6rem);
  opacity: 0.92;
  transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
}
.proj:hover .cap { transform: translateY(0); opacity: 1; }
.proj .cap .label { color: var(--accent); margin-bottom: 0.4rem; }
.proj .cap h3 { color: var(--offwhite); margin: 0; }
.proj .cap .meta { font-size: 0.82rem; opacity: 0.8; margin-top: 0.3rem; }

.proj.tall { aspect-ratio: 4/5; }
.proj.wide { aspect-ratio: 16/10; }
.proj.sq { aspect-ratio: 1/1; }

.c12 { grid-column: span 12; }
.c8 { grid-column: span 8; }
.c6 { grid-column: span 6; }
.c4 { grid-column: span 4; }
.c5 { grid-column: span 5; }
.c7 { grid-column: span 7; }
@media (max-width: 820px) {
  .c8, .c6, .c4, .c5, .c7 { grid-column: span 12; }
}

/* ---------- Counters ---------- */
.counters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
@media (max-width: 640px) { .counters { grid-template-columns: 1fr; gap: 2.5rem; } }
.counter .num {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5.2rem);
  line-height: 1;
  color: var(--accent);
}
.counter .cap {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 0.8rem;
  color: var(--ink-soft);
}

/* ---------- Split feature ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 82vh;
}
.split.rev { direction: rtl; }
.split.rev > * { direction: ltr; }
.split .media { overflow: hidden; position: relative; }
.split .media img { width: 100%; height: 100%; object-fit: cover; min-height: 60vh; }
.split .txt {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 6rem);
}
@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; min-height: 0; }
  .split .media img { min-height: 55vh; }
}

.dark { background: var(--ink); color: var(--offwhite); }
.dark .label { color: var(--accent); }
.dark .eyebrow-lead { color: rgba(239,233,224,0.8); }

/* ---------- CTA band ---------- */
.cta {
  position: relative;
  text-align: center;
  color: var(--offwhite);
  overflow: hidden;
}
.cta .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.cta::after { content: ""; position: absolute; inset: 0; background: rgba(20,20,18,0.6); z-index: -1; }
.cta h2 { color: var(--offwhite); }

/* ---------- Team ---------- */
.team {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}
.member .ph {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--greige);
  margin-bottom: 1.1rem;
}
.member .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.member:hover .ph img { transform: scale(1.05); }
.member h3 { margin-bottom: 0.1rem; }
.member .role { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }

/* ---------- Process ---------- */
.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.8rem, 4vw, 3rem) 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step .n {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--accent);
  min-width: 3ch;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { margin: 0; max-width: 60ch; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

form { display: grid; gap: 1.3rem; }
.field { display: grid; gap: 0.45rem; }
label { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; }
input, select, textarea {
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.5);
  color: var(--ink);
  border-radius: 4px;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
}
textarea { resize: vertical; min-height: 140px; }

.info-list { list-style: none; padding: 0; margin: 0 0 2rem; }
.info-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.info-list .k { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 0.2rem; }

.map-ph {
  aspect-ratio: 16/9;
  background:
    repeating-linear-gradient(45deg, rgba(176,122,82,0.06) 0 12px, transparent 12px 24px),
    var(--greige);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.2rem;
  margin-top: 1.5rem;
}

/* ---------- Page header (subpages) ---------- */
.page-head {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  color: var(--offwhite);
  overflow: hidden;
}
.page-head .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.page-head::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,20,18,0.3), rgba(20,20,18,0.7)); z-index: -1; }
.page-head .inner { padding: 9rem 0 clamp(2.5rem, 6vh, 4.5rem); }
.page-head h1 { font-size: clamp(2.6rem, 7vw, 5.5rem); }
.page-head .label { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--offwhite);
  padding: clamp(3.5rem, 8vh, 6rem) 0 2.5rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(239,233,224,0.15);
}
@media (max-width: 720px) { .footer-top { grid-template-columns: 1fr; gap: 2rem; } }
.footer-brand {
  font-family: var(--serif);
  font-size: 2rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.footer-brand span { color: var(--accent); }
.footer-top p { opacity: 0.75; max-width: 34ch; }
.footer-col h4 { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.footer-col a { display: block; text-decoration: none; opacity: 0.8; padding: 0.25rem 0; font-size: 0.95rem; transition: opacity 0.3s, color 0.3s; }
.footer-col a:hover { opacity: 1; color: var(--accent); }
.footer-bottom {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  opacity: 0.7;
}

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.1s; }
.reveal.d2 { transition-delay: 0.2s; }
.reveal.d3 { transition-delay: 0.3s; }

.zoom-in img { transform: scale(1.12); transition: transform 1.6s var(--ease); }
.zoom-in.in img { transform: scale(1); }

@media (prefers-reduced-motion: reduce) {
  .reveal, .zoom-in img, .band img, .proj img { transition: none !important; transform: none !important; opacity: 1 !important; }
  .hero .bg, .band img { transform: none !important; }
}

hr.rule { border: none; border-top: 1px solid var(--line); margin: 0; }
.center { text-align: center; }
.mt { margin-top: 2rem; }
.lead { font-size: 1.15rem; }