/* ============================================================
   base.css — Design-Tokens, Grundtypografie, Buttons,
   Kopf- und Fußbereich. Wird von jeder Seite geladen.
   ============================================================ */

/* ============================================================
   ESTUDIO ILLA — Design-Tokens
   Palette: Meer, Fensterladen-Grün, Bougainvillea, Marés-Sandstein
   ============================================================ */
:root{
  --sand:      #EFECE0;
  --sand-2:    #E3DDCC;
  --sand-3:    #D6CFBB;
  --mar:       #0E3A42;
  --mar-2:     #14505A;
  --persiana:  #2E6F52;
  --buga:      #BE3268;
  --buga-dark: #9E2354;
  --tinta:     #12211F;
  --gris:      #55635F;
  --blanco:    #FBFAF6;

  --display: "Archivo", system-ui, sans-serif;
  --body:    "Instrument Sans", system-ui, sans-serif;
  --mono:    "DM Mono", ui-monospace, monospace;

  --pad: clamp(20px, 5vw, 48px);
  --sec: clamp(72px, 9vw, 128px);
  --r: 4px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--sand); color:var(--tinta);
  font-family:var(--body); font-size:clamp(1rem,.97rem + .15vw,1.06rem);
  line-height:1.65; -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}

.wrap{max-width:1220px;margin:0 auto;padding-inline:var(--pad)}
section{padding-block:var(--sec)}

h1,h2,h3{
  font-family:var(--display); font-weight:700;
  font-stretch:112%; letter-spacing:-.022em; line-height:1.03; margin:0;
  text-wrap:balance;
}
h1{font-size:clamp(2.5rem,1.4rem + 4.6vw,4.6rem);line-height:.99;letter-spacing:-.032em}
h2{font-size:clamp(1.95rem,1.25rem + 2.5vw,3.1rem)}
h3{font-size:1.15rem;font-stretch:106%;letter-spacing:-.012em}
p{margin:0}

.eyebrow{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase;
  letter-spacing:.2em; color:var(--persiana); margin:0 0 18px;
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--persiana);flex:none}
.lead{font-size:clamp(1.05rem,1rem + .3vw,1.22rem);color:var(--gris);max-width:56ch}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border:1.5px solid transparent;border-radius:var(--r);
  font-weight:600;font-size:.97rem;text-decoration:none;cursor:pointer;
  transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--buga);color:#fff}
.btn--primary:hover{background:var(--buga-dark)}
.btn--ghost{border-color:var(--tinta);color:var(--tinta)}
.btn--ghost:hover{background:var(--tinta);color:var(--sand)}
.btn--light{border-color:rgba(255,255,255,.45);color:#fff}
.btn--light:hover{background:#fff;color:var(--mar)}
.btn--block{width:100%;justify-content:center}
:focus-visible{outline:3px solid var(--buga);outline-offset:3px;border-radius:2px}

.skip{position:absolute;left:-9999px;top:0;background:var(--mar);color:#fff;padding:12px 18px;z-index:100}
.skip:focus{left:8px;top:8px}

/* ---------- Header ---------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--sand) 88%, transparent);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .25s ease;
}
.hdr.stuck{border-bottom-color:var(--sand-3)}
.hdr__in{display:flex;align-items:center;gap:22px;height:72px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;font-family:var(--display);
  font-weight:800;font-stretch:118%;letter-spacing:-.02em;font-size:1.04rem;white-space:nowrap}
.logo svg{width:26px;height:26px;flex:none}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-size:.94rem;font-weight:500;color:var(--gris);position:relative;padding-block:4px}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--buga);transition:right .25s ease}
.nav a:hover{color:var(--tinta)}
.nav a:hover::after{right:0}

.langbar{display:flex;gap:2px;background:var(--sand-2);padding:3px;border-radius:var(--r)}
.langbar button{
  border:0;background:transparent;padding:6px 9px;border-radius:2px;cursor:pointer;
  font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--gris);
  transition:background .16s ease,color .16s ease;
}
.langbar button:hover{color:var(--tinta)}
.langbar button[aria-pressed="true"]{background:var(--mar);color:#fff}
.hdr .btn{padding:11px 18px;font-size:.9rem}
.burger{display:none;margin-left:auto;background:none;border:1.5px solid var(--sand-3);border-radius:var(--r);padding:9px 12px;cursor:pointer}

/* ---------- Footer ---------- */
.ftr{background:var(--mar);color:rgba(251,250,246,.62);padding-block:clamp(44px,5vw,64px)}
.ftr__top{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center;
  padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.14)}
.ftr .logo{color:var(--blanco)}
.ftr__bot{display:flex;flex-wrap:wrap;gap:8px 26px;justify-content:space-between;padding-top:22px;font-size:.87rem}
.ftr__links{display:flex;flex-wrap:wrap;gap:22px}
.ftr__links a{text-decoration:none}
.ftr__links a:hover{color:var(--blanco)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px)}
.reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .7s cubic-bezier(.2,.8,.3,1)}
main{transition:opacity .18s ease}
main.swapping{opacity:.45}

/* ---------- Kopfbereich auf kleinen Bildschirmen ---------- */
@media (max-width:760px){
  .nav{display:none}
  .burger{display:block}
  .hdr .btn{display:none}
  .hdr__in{gap:12px}
  .nav.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--sand);border-bottom:1px solid var(--sand-3);padding:8px var(--pad) 18px}
  .nav.open a{padding:13px 0;border-bottom:1px solid var(--sand-2);font-size:1rem}
}

/* ---------- Reduzierte Bewegung ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .tile,.reveal{opacity:1!important;transform:none!important}
}

/* Fußzeile der Rechtsseite */
.ftr__in{display:flex;flex-wrap:wrap;gap:14px 26px;justify-content:space-between;align-items:center}
.ftr__in p{margin:0}
.ftr a{color:inherit;text-decoration:none}
.ftr a:hover{color:var(--blanco)}