/* =====================================================================
   Golfschule Arlberg stylesheet
   --------------------------------------------------------------------
   Design pass exported from Claude Design. Everything that defines the
   "feel" lives in :root below as variables. To re-skin the site later,
   change the tokens, not the rules.
   ===================================================================== */

:root{
  --c-bg:#F4F1E9; --c-bg-alt:#ECE7D9; --c-surface:#FBFAF5;
  --c-ink:#1B2A22; --c-ink-soft:#51605A;
  --c-green:#1E4D3A; --c-green-deep:#143427; --c-accent:#C0833C;
  --c-line:#D9D3C4; --c-on-dark:#F1EEE4;
  --font-display:"Newsreader",Georgia,serif;
  --font-body:"Hanken Grotesk","Segoe UI",system-ui,sans-serif;
  --maxw:1240px; --gutter:clamp(1.25rem,5vw,4rem);
  --section-y:clamp(5rem,9vw,9rem);
  --ease:cubic-bezier(0.22,1,0.36,1); --t-fast:200ms var(--ease); --t-med:480ms var(--ease);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--c-bg);color:var(--c-ink);font-family:var(--font-body);
  font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;}
body::before{content:"";position:fixed;inset:0;z-index:9999;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-green);text-underline-offset:3px;}
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.08;letter-spacing:-0.01em;margin:0;text-wrap:balance;}
p{margin:0;}
::selection{background:var(--c-green);color:var(--c-on-dark);}
:focus-visible{outline:2.5px solid var(--c-accent);outline-offset:3px;border-radius:3px;}
:where(#unterricht,#trainer,#standort,#kontakt){scroll-margin-top:92px;}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:var(--section-y);}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--c-accent);margin:0;display:inline-flex;align-items:center;gap:.6rem;}
.eyebrow::before{content:"";width:1.8rem;height:1px;background:var(--c-accent);opacity:.6;}
.lead{font-size:clamp(1.125rem,.95rem + .8vw,1.4rem);color:var(--c-ink-soft);max-width:54ch;line-height:1.5;}
.skip-link{position:absolute;left:1rem;top:-4rem;z-index:10000;background:var(--c-green);color:var(--c-on-dark);padding:.6rem 1rem;border-radius:9px;text-decoration:none;transition:top var(--t-fast);}
.skip-link:focus{top:1rem;}

/* placeholder */
.ph{position:relative;display:grid;place-items:center;background:
    repeating-linear-gradient(135deg,rgba(30,77,58,.07),rgba(30,77,58,.07) 9px,rgba(30,77,58,.03) 9px,rgba(30,77,58,.03) 18px),var(--c-bg-alt);
  border:1px solid var(--c-line);border-radius:14px;color:var(--c-ink-soft);overflow:hidden;}
.ph__label{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;
  background:var(--c-surface);border:1px solid var(--c-line);padding:.45rem .8rem;border-radius:6px;}

/* buttons */
.btn{display:inline-flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:.12rem;
  padding:.95rem 1.7rem;background:var(--c-green);color:var(--c-on-dark);border:1.5px solid var(--c-green);border-radius:9px;
  font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:transform var(--t-fast),box-shadow var(--t-fast),background var(--t-fast),color var(--t-fast);}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(20,52,39,.5);}
.btn--ghost{background:transparent;color:var(--c-green);border-color:var(--c-green);}
.btn--ghost:hover{background:var(--c-green);color:var(--c-on-dark);}
.btn--light{background:var(--c-on-dark);color:var(--c-green-deep);border-color:var(--c-on-dark);}
.btn--outline-light{background:transparent;color:var(--c-on-dark);border-color:rgba(241,238,228,.45);}
.btn--outline-light:hover{background:rgba(241,238,228,.1);}
.btn__hint{font-size:.68rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;opacity:.6;}

/* header */
.site-header{position:sticky;top:0;z-index:100;transition:background var(--t-med),box-shadow var(--t-med),backdrop-filter var(--t-med);}
.site-header.is-scrolled{background:color-mix(in srgb,var(--c-bg) 88%,transparent);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--c-line);}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:.65rem;color:var(--c-ink);text-decoration:none;font-weight:600;}
.brand__mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--c-green);color:var(--c-on-dark);}
.brand__text{font-family:var(--font-display);font-size:1.18rem;letter-spacing:-0.01em;}
.nav{display:flex;gap:2.2rem;}
.nav a{position:relative;color:var(--c-ink);text-decoration:none;font-weight:500;padding:.3rem 0;}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1.5px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t-fast);}
.nav a:hover::after{transform:scaleX(1);}
.lang-toggle{display:inline-flex;align-items:center;gap:.35rem;}
.lang-btn{background:none;border:none;font:inherit;font-weight:600;font-size:.85rem;color:var(--c-ink-soft);cursor:pointer;padding:.25rem .2rem;transition:color var(--t-fast);}
.lang-btn[aria-pressed="true"]{color:var(--c-green);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.lang-btn:hover{color:var(--c-ink);}
.lang-sep{color:var(--c-line);}

/* hero — asymmetric editorial */
.hero{position:relative;overflow:hidden;}
.hero__bg{position:absolute;inset:0;z-index:-1;background:
  radial-gradient(120% 90% at 88% 0%,rgba(192,131,60,.14),transparent 55%),
  radial-gradient(120% 120% at 6% 100%,rgba(30,77,58,.16),transparent 60%),
  linear-gradient(180deg,var(--c-bg) 0%,var(--c-bg-alt) 100%);}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;
  padding-block:clamp(4.5rem,10vh,8rem) clamp(9.5rem,16vw,13.5rem);}
.hero__title{font-size:clamp(2.6rem,1.6rem + 4.4vw,5rem);max-width:14ch;margin:1.25rem 0 0;line-height:1.06;}
.hero__title em{font-style:italic;color:var(--c-green);}
.hero__lead{font-size:clamp(1.125rem,.95rem + .8vw,1.4rem);color:var(--c-ink-soft);max-width:42ch;margin-top:1.4rem;line-height:1.5;}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.25rem;}
.hero__media{position:relative;height:clamp(360px,48vh,520px);aspect-ratio:4/5;justify-self:end;border-radius:16px;box-shadow:0 30px 60px -34px rgba(20,52,39,.55);}
.hero__media .ph__label{position:absolute;bottom:1rem;left:1rem;}

/* ridge — mountains rise from the hero and melt into the green stats band below */
.hero__ridge{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:clamp(80px,12vw,160px);fill:var(--c-green);z-index:0;pointer-events:none;}

/* stats band */
.stats{background:var(--c-green);color:var(--c-on-dark);}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);padding-block:clamp(2.4rem,5vw,3.4rem);}
.stat{display:flex;flex-direction:column;gap:.3rem;padding:.5rem clamp(.5rem,2vw,1.5rem);border-left:1px solid rgba(241,238,228,.16);}
.stat:first-child{border-left:none;padding-left:0;}
.stat__num{font-family:var(--font-display);font-size:clamp(1.7rem,1rem + 2.4vw,2.5rem);line-height:1;color:#fff;}
.stat__label{font-size:.82rem;letter-spacing:.04em;color:rgba(241,238,228,.75);}

/* about / lessons */
.about__head{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(1.5rem,4vw,4rem);align-items:end;}
.about__head h2{font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem);margin:.8rem 0 0;}
.features{list-style:none;margin:clamp(2.5rem,5vw,4rem) 0 0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);
  gap:1px;background:var(--c-line);border:1px solid var(--c-line);border-radius:16px;overflow:hidden;}
.feature{background:var(--c-surface);padding:clamp(1.7rem,3vw,2.6rem);transition:background var(--t-fast);}
.feature:hover{background:#fff;}
.feature__num{font-family:var(--font-display);font-size:.95rem;color:var(--c-accent);letter-spacing:.05em;}
.feature h3{font-size:1.35rem;margin:.7rem 0 .5rem;}
.feature p{color:var(--c-ink-soft);}

/* instructor */
.instructor{background:var(--c-bg-alt);}
.instructor__inner{display:grid;grid-template-columns:.82fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;}
.portrait{margin:0;position:relative;}
.portrait .ph{aspect-ratio:4/5;}
.portrait .ph__label{position:absolute;bottom:1rem;left:1rem;}
.instructor__body h2{font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem);margin:.7rem 0 .2rem;}
.role{color:var(--c-accent);font-weight:600;letter-spacing:.04em;margin-bottom:1.2rem;}
.instructor__body>p{color:var(--c-ink-soft);max-width:52ch;}
.signature{font-family:var(--font-display);font-style:italic;font-size:1.9rem;color:var(--c-green);margin-top:1.6rem;}

/* location */
.location__inner{display:grid;grid-template-columns:1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center;}
.location h2{font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem);margin:.7rem 0 1rem;}
.location .ph{aspect-ratio:16/11;}
.link-arrow{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;text-decoration:none;color:var(--c-green);
  border-bottom:2px solid var(--c-accent);padding-bottom:.2rem;margin-top:1.4rem;transition:gap var(--t-fast);}
.link-arrow::after{content:"↗";transition:transform var(--t-fast);}
.link-arrow:hover::after{transform:translate(2px,-2px);}

/* contact */
.contact{background:var(--c-green-deep);color:var(--c-on-dark);text-align:center;}
.contact .eyebrow{color:var(--c-accent);justify-content:center;}
.contact h2{font-size:clamp(1.9rem,1.3rem + 2.6vw,3rem);margin:.9rem auto 1.1rem;max-width:18ch;}
.contact .lead{color:rgba(241,238,228,.8);margin-inline:auto;}
.contact__actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-top:2.5rem;}
.contact__actions .btn{align-items:center;text-align:center;}

/* footer */
.site-footer{background:var(--c-green-deep);color:rgba(241,238,228,.6);border-top:1px solid rgba(241,238,228,.12);font-size:.85rem;}
.footer__inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.5rem;padding-block:2rem;}

/* motion */
:where(html.js) .reveal{opacity:0;transform:translateY(14px);transition:opacity 500ms var(--ease),transform 500ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
/* hero entrance: pure CSS so it plays on load, never waits for the deferred script */
@keyframes hero-rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.hero__text>*{animation:hero-rise 600ms var(--ease) both;}
.hero__text>*:nth-child(2){animation-delay:90ms;}
.hero__text>*:nth-child(3){animation-delay:180ms;}
.hero__text>*:nth-child(4){animation-delay:270ms;}
.hero__media{animation:hero-rise 700ms var(--ease) 220ms both;}

@media (max-width:920px){
  .hero__grid{grid-template-columns:1fr;padding-block:2rem 6rem;}
  /* headline first; photo sits below it, sized so it does not tower */
  .hero__media{height:auto;width:100%;max-width:340px;aspect-ratio:4/5;justify-self:center;margin-top:2.5rem;}
  /* solid, opaque header when scrolled so the brand stays readable over dark sections; no blur jank */
  .site-header.is-scrolled{background:var(--c-bg);backdrop-filter:none;-webkit-backdrop-filter:none;}
  .about__head{grid-template-columns:1fr;}
  .instructor__inner,.location__inner{grid-template-columns:1fr;}
  .portrait{max-width:320px;justify-self:center;}
  .location .ph{max-width:480px;}
  .features{grid-template-columns:1fr;}
  .nav{display:none;}
}
@media (max-width:560px){
  /* one uniform green field with quiet hairline dividers, no table frame */
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:0;background:transparent;}
  .stat{padding:1.2rem 1rem;border-left:none;background:transparent;}
  .stat:nth-child(odd){padding-left:0;}
  .stat:nth-child(even){border-left:1px solid rgba(241,238,228,.16);padding-left:1rem;}
  .stat:nth-child(n+3){border-top:1px solid rgba(241,238,228,.16);padding-top:1.5rem;}
  .eyebrow{flex-wrap:wrap;}
  .hero__actions .btn,.contact__actions .btn{flex:1 1 auto;}
  /* drop the fixed feTurbulence grain on phones; it repaints every scroll frame */
  body::before{display:none;}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}.reveal{opacity:1;transform:none;transition:none;}*{animation-duration:.01ms!important;transition-duration:.01ms!important;}}