/* ==========================================================================
   Webatelier Luis
   Minimal und einfarbig: warme Neutraltöne, eine Schrift, viel Raum.
   ========================================================================== */

:root {
  --bg: #F5F1EB;
  --fg: #2D2A26;
  --muted: #75706A;
  --line: #E3DDD4;
  --panel: #EBE5DC;

  --font: "Geist", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.33, 1, .68, 1);       /* weich auslaufend, für Hover und Kleines */
  --ease-calm: cubic-bezier(.45, 0, .15, 1);  /* langsamer Start, langes Ausgleiten: Text und Bilder */
  --ease-io: cubic-bezier(.65, 0, .35, 1);    /* gleichmässig rein und raus: Seitenübergang */

  --gutter: clamp(20px, 4vw, 56px);
  --max: 1320px;
  --header-h: 72px;
  --space: clamp(80px, 10vw, 144px);

  color-scheme: light;
}

/* ---------- Grundlagen ---------- */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

:focus-visible { outline: 1.5px solid var(--fg); outline-offset: 4px; }

::selection { background: var(--fg); color: var(--bg); }

h1, h2, h3, p { margin: 0; }

h1, h2, h3 { font-weight: 400; letter-spacing: -.03em; text-wrap: balance; }

p { text-wrap: pretty; }

.container {
  width: 100%;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: 24px;
}

.section { padding-top: var(--space); }

.label {
  grid-column: 1 / 4;
  font-size: 14px;
  color: var(--muted);
}

.content { grid-column: 4 / -1; }

.after-label { margin-top: clamp(28px, 3vw, 40px); }

.statement {
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  line-height: 1.25;
  letter-spacing: -.025em;
  max-width: 24em;
}

.muted { color: var(--muted); }

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--fg);
  color: var(--bg);
}
.skip-link:focus { top: 12px; }

@media (max-width: 860px) {
  .label, .content { grid-column: 1 / -1; }
  .label { margin-bottom: 28px; }
}

/* ---------- Links ---------- */

/* Unterstrich, der beim Hover von links nachwächst */
.link {
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  padding-bottom: 2px;
  transition: background-size .6s var(--ease);
}
.link:hover { background-size: 0 1px; background-position: 100% 100%; }

.link-plain {
  background: linear-gradient(currentColor, currentColor) 100% 100% / 0 1px no-repeat;
  padding-bottom: 2px;
  transition: background-size .6s var(--ease);
}
.link-plain:hover,
.link-plain[aria-current] { background-size: 100% 1px; background-position: 0 100%; }

.arrow { display: inline-block; transition: transform .5s var(--ease); }
a:hover .arrow { transform: translateX(4px); }
a:hover .arrow.up { transform: translateY(-3px); }
a:hover .arrow.out { transform: translate(3px, -3px); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: box-shadow .4s var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 1px 0 var(--line); }

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { font-weight: 500; letter-spacing: -.01em; position: relative; z-index: 2; }

.nav ul {
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu-button {
  display: none;
  position: relative;
  z-index: 2;
  padding: 8px 0;
  border: 0;
  background: none;
  color: var(--fg);
  font: inherit;
  cursor: pointer;
}

@media (max-width: 700px) {
  .menu-button { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    padding: var(--gutter);
    padding-bottom: 15vh;
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s var(--ease), visibility 0s .5s;
  }
  .menu-open .nav { opacity: 1; visibility: visible; transition: opacity .5s var(--ease); }
  .menu-open { overflow: hidden; }
  .nav ul { flex-direction: column; gap: 6px; }
  .nav a { font-size: 2.6rem; letter-spacing: -.03em; line-height: 1.2; }
  .nav li {
    transform: translateY(16px);
    opacity: 0;
    transition: transform .6s var(--ease), opacity .6s var(--ease);
  }
  .menu-open .nav li { transform: none; opacity: 1; }
  .menu-open .nav li:nth-child(2) { transition-delay: .05s; }
  .menu-open .nav li:nth-child(3) { transition-delay: .1s; }
  .menu-open .nav li:nth-child(4) { transition-delay: .15s; }
}

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

.hero {
  min-height: 92svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.hero h1 {
  font-size: clamp(2.7rem, 6.6vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -.045em;
  max-width: 11.5em;
}

.hero-foot {
  margin-top: clamp(48px, 7vw, 96px);
  align-items: end;
  row-gap: 24px;
}
.hero-foot p { grid-column: 1 / 6; max-width: 26em; color: var(--muted); }
.hero-links {
  grid-column: 8 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 32px;
}

@media (max-width: 860px) {
  .hero-foot p, .hero-links { grid-column: 1 / -1; }
  .hero-links { justify-content: flex-start; }
}

/* ---------- Text Zeile für Zeile ---------- */

/* main.js teilt [data-lines] in Zeilen; jede Zeile gleitet aus einer unsichtbaren Kante hoch */
.js [data-lines]:not(.is-split) { visibility: hidden; }
.line {
  display: block;
  overflow: hidden;
  padding-bottom: .12em;
  margin-bottom: -.12em;
}
.line-inner {
  display: block;
  transform: translateY(110%);
  transition: transform 1.5s var(--ease-calm);
  transition-delay: calc(var(--d, 0s) + var(--li, 0) * .14s);
}
.is-in > .line > .line-inner { transform: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Zum Zurücksetzen vor einem erneuten Aufdecken */
.no-anim, .no-anim *, .no-anim *::before, .no-anim *::after { transition: none !important; }

/* ---------- Einblenden beim Scrollen ---------- */

.js .fade {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.4s var(--ease-calm), transform 1.4s var(--ease-calm);
  transition-delay: var(--d, 0s);
}
.js .fade.is-in { opacity: 1; transform: none; }

/* ---------- Übergang zwischen Seiten und Abschnitten ---------- */

/* Die Seite dunkelt leicht ab, eine Fläche in Hintergrundfarbe schiebt sich von unten darüber */
.pt-dim, .pt-panel { position: fixed; inset: 0; z-index: 200; pointer-events: none; }
.pt-dim { background: rgba(45, 42, 38, .14); opacity: 0; transition: opacity .9s var(--ease-io); }
.pt-panel { background: var(--bg); transform: translateY(100%); transition: transform .9s var(--ease-io); }
.pt-cover .pt-dim { opacity: 1; }
.pt-cover .pt-panel { transform: none; }
.pt-lift .pt-panel { transform: translateY(-100%); }
.pt-instant .pt-panel, .pt-instant .pt-dim { transition: none; }

/* ---------- Arbeiten ---------- */

.project { display: block; }

.project-media {
  display: grid;
  place-items: center;
  aspect-ratio: 16 / 10;
  background: var(--panel);
  overflow: hidden;
}
.js .project-media { clip-path: inset(100% 0 0 0); transition: clip-path 1.8s var(--ease-calm); }
.js .project-media.is-in { clip-path: inset(0 0 0 0); }

/* Ein Bild: <picture> wählt Desktop- oder Handy-Ansicht je nach Bildschirm */
.project-media picture { display: contents; }
.shot {
  width: 80%;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .3);
  transition: transform 1.6s var(--ease-calm);
}

.js .project-media .shot { transform: translateY(40px); }
.js .project-media.is-in .shot { transform: none; transition-delay: .35s; }
.project:hover .project-media.is-in .shot { transform: translateY(-8px); transition-delay: 0s; }

.project-info {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px 40px;
  align-items: baseline;
  margin-top: 20px;
}
.project-info h3 { font-size: 1.35rem; letter-spacing: -.02em; }
.project-info .muted { font-size: 15px; }

@media (max-width: 700px) {
  .project-media { aspect-ratio: 4 / 5; }
  .shot { width: 42%; border-radius: 12px; }
  .project-info { grid-template-columns: 1fr auto; }
  .project-info .meta { grid-column: 1 / -1; grid-row: 2; }
}

/* ---------- Angebot ---------- */

.offers { margin-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--line); }

.offer {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr);
  gap: 12px 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.offer h3 { font-size: 1.35rem; letter-spacing: -.02em; }
.offer p { color: var(--muted); max-width: 30em; }
.price { text-align: right; font-variant-numeric: tabular-nums; }
.price strong { display: block; font-size: 1.35rem; font-weight: 400; letter-spacing: -.02em; }
.price span { font-size: 15px; color: var(--muted); }


@media (max-width: 700px) {
  .offer { grid-template-columns: 1fr auto; }
  .offer p { grid-column: 1 / -1; grid-row: 2; }
  .price { grid-row: 1; grid-column: 2; }
}

/* ---------- Ablauf ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px 24px;
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}
.step { position: relative; padding-top: 24px; }

/* Feine Grundlinie, darüber zieht sich eine dunkle Linie von links nach rechts */
.step::before, .step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}
.step::after { background: var(--fg); transform-origin: left; }

.step .num {
  display: block;
  overflow: hidden;
  margin-bottom: 36px;
  font-size: clamp(3rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.step .num > span { display: inline-block; padding-bottom: .06em; }
.step h3 { font-size: 1.2rem; letter-spacing: -.02em; margin-bottom: 8px; }
.step p { font-size: 15px; color: var(--muted); }

/* Ablauf: Schritt für Schritt (--d setzt main.js) */
.js .step::after { transform: scaleX(0); transition: transform 1.6s var(--ease-calm) var(--d, 0s); }
.js .step .num > span { transform: translateY(105%); transition: transform 1.4s var(--ease-calm) calc(var(--d, 0s) + .2s); }
.js .step h3, .js .step p {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 1.2s var(--ease-calm), transform 1.2s var(--ease-calm);
  transition-delay: calc(var(--d, 0s) + .45s);
}
.js .step p { transition-delay: calc(var(--d, 0s) + .6s); }
.js .step.is-in::after,
.js .step.is-in .num > span,
.js .step.is-in h3,
.js .step.is-in p { opacity: 1; transform: none; }

@media (max-width: 860px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; gap: 56px; } .step .num { margin-bottom: 24px; } }

/* ---------- Über mich ---------- */

.about { align-items: start; row-gap: 48px; }
.about .content { grid-column: 4 / 10; }
.about .statement + p { margin-top: 28px; color: var(--muted); max-width: 32em; }

.portrait {
  grid-column: 10 / -1;
  aspect-ratio: 4 / 5;
  background: var(--panel);
  display: grid;
  place-items: center;
  font-size: 14px;
  color: var(--muted);
}
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 72% center; }

@media (max-width: 860px) {
  .about .content { grid-column: 1 / -1; }
  .portrait { grid-column: 1 / 8; }
}

/* ---------- Kontakt ---------- */

.contact-title {
  font-size: clamp(2.7rem, 6.6vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.contact-grid { margin-top: clamp(40px, 5vw, 64px); row-gap: 56px; }

.contact-direct { grid-column: 1 / 5; display: grid; gap: 6px; align-content: start; }
.contact-direct a { justify-self: start; font-size: 1.35rem; letter-spacing: -.02em; }

.contact-form { grid-column: 6 / -1; }

.field { position: relative; margin-bottom: 28px; }
.field label { display: block; margin-bottom: 4px; font-size: 14px; color: var(--muted); }
.field input, .field textarea {
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 1.15rem;
  transition: border-color .4s var(--ease);
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--fg); }
.field.has-error input { border-color: #B3261E; }
.field-error { display: block; margin-top: 6px; font-size: 14px; color: #B3261E; }
.field-error:empty { display: none; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }

.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 8px;
}
.form-foot p { font-size: 14px; color: var(--muted); max-width: 30em; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 28px;
  border: 1px solid var(--fg);
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font: inherit;
  cursor: pointer;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
.button:hover { background: var(--bg); color: var(--fg); }
.button:hover .arrow { transform: translateX(4px); }
.button:disabled { opacity: .5; cursor: default; }

.form-status { margin-top: 20px; font-size: 15px; color: #B3261E; }
.form-status a { text-decoration: underline; }

.form-done h3 { font-size: 1.6rem; margin-bottom: 8px; }
.form-done p { color: var(--muted); }

@media (max-width: 860px) {
  .contact-direct, .contact-form { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .form-row { grid-template-columns: 1fr; }
}

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

.site-footer { margin-top: var(--space); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
  padding-block: 28px 36px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.footer-inner ul { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 0; padding: 0; list-style: none; }
.footer-inner a:hover { color: var(--fg); }

/* ---------- Case Study ---------- */

.cs-hero { padding-top: calc(var(--header-h) + clamp(80px, 12vw, 160px)); }
.cs-hero .back { display: inline-block; margin-bottom: 32px; font-size: 14px; color: var(--muted); }
.cs-hero .back:hover { color: var(--fg); }
.cs-hero h1 {
  font-size: clamp(2.7rem, 6.6vw, 6.4rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin: clamp(48px, 6vw, 80px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.facts dt { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
.facts dd { margin: 0; }
@media (max-width: 700px) { .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.cs-media { margin-top: clamp(56px, 7vw, 96px); }

.panel { display: grid; place-items: center; padding: 8% 10%; background: var(--panel); }
.panel img { width: 100%; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .3); }

.cta-line { margin-top: 32px; font-size: 1.15rem; }

.cs-text + .cs-text { margin-top: clamp(64px, 8vw, 112px); }
.cs-text .content p + p { margin-top: 20px; }
.cs-text .content .muted { max-width: 34em; }

.placeholder {
  padding: 20px 24px;
  border: 1px dashed #C9C9C5;
  color: var(--muted);
  font-size: 15px;
}
.placeholder + .placeholder { margin-top: 16px; }

/* ---------- Rechtliche Seiten ---------- */

.legal { padding-top: calc(var(--header-h) + clamp(80px, 12vw, 160px)); }
.legal h1 { font-size: clamp(2.2rem, 4vw, 3.6rem); line-height: 1.05; margin-bottom: 48px; }
.legal h2 { font-size: 1.2rem; letter-spacing: -.02em; margin: 40px 0 8px; }
.legal p { color: var(--muted); max-width: 40em; }

/* ---------- Weniger Bewegung, wenn gewünscht ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-delay: 0s !important;
    transition-duration: .01ms !important;
    transition-delay: 0s !important;
  }
}