/* =========================================================
   Atelier Nova — Art School, Bielsko-Biała
   Design language: "Pigment & Plaster"
   Palette built from real artist pigments.
   ========================================================= */

:root{
  /* Surfaces */
  --canvas:      #f5f2ea;   /* warm plaster / paper */
  --canvas-deep: #ece5d6;   /* recessed panels */
  --paper:       #fbf9f4;   /* cards */
  --ink:         #1b2230;   /* deep indigo-charcoal text */
  --ink-soft:    #4b5061;
  --muted:       #7c7a72;

  /* Pigments */
  --ultramarine: #2c4a8c;   /* PB29  */
  --ultra-deep:  #213a72;
  --sienna:      #b15b2e;   /* PBr7  */
  --cadmium:     #e2a32a;   /* PY35  */
  --viridian:    #2f6a55;   /* PG18  */
  --black-iv:    #20242c;   /* PBk9  */

  --line:        #ddd3c0;
  --line-soft:   #e7dfce;

  /* Type */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:    "Space Mono", ui-monospace, "Courier New", monospace;

  /* Rhythm */
  --maxw: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
  --r: 4px;
  --r-lg: 14px;
  --shadow: 0 18px 48px -28px rgba(27,34,48,.45);
  --shadow-soft: 0 10px 30px -22px rgba(27,34,48,.4);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--canvas);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--display); font-weight:500; line-height:1.08; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }

/* ---------- Layout helpers ---------- */
.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:clamp(64px, 9vw, 130px); }
.section--alt{ background:var(--canvas-deep); }

/* Pigment eyebrow ----------------------------------------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:11px;
  margin-bottom:22px;
}
.eyebrow .swatch{
  width:16px; height:16px; border-radius:3px;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);
  flex:none;
}
.eyebrow .label{
  font-size:.74rem; font-weight:700; letter-spacing:.16em;
  text-transform:uppercase; color:var(--ink-soft);
}
.eyebrow .code{
  font-family:var(--mono); font-size:.68rem; color:var(--muted);
  letter-spacing:.04em; padding-left:2px;
}

.section-head{ max-width:640px; }
.section-head h2{
  font-size:clamp(1.9rem, 4vw, 3rem);
  margin-bottom:18px;
}
.section-head .lede{ color:var(--ink-soft); font-size:1.07rem; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:14px 26px; border-radius:var(--r);
  font-weight:700; font-size:.96rem; letter-spacing:.01em;
  border:1.5px solid transparent; transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:focus-visible{ outline:3px solid var(--cadmium); outline-offset:3px; }
.btn--primary{ background:var(--ultramarine); color:#fff; }
.btn--primary:hover{ background:var(--ultra-deep); transform:translateY(-2px); }
.btn--ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn--ghost:hover{ border-color:var(--ink); transform:translateY(-2px); }
.btn--block{ width:100%; }

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:60;
  background:color-mix(in srgb, var(--canvas) 86%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav{
  display:flex; align-items:center; gap:24px;
  height:72px;
}
.brand{ display:inline-flex; align-items:center; gap:11px; margin-right:auto; }
.brand img{ height:34px; width:auto; }
.brand .brand-name{
  font-family:var(--display); font-size:1.28rem; font-weight:600;
  letter-spacing:-.01em;
}
.nav-links{ display:flex; gap:26px; }
.nav-links a{
  font-size:.95rem; font-weight:600; color:var(--ink-soft);
  position:relative; padding-block:6px;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:2px;
  background:var(--sienna); transition:width .22s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a:hover::after{ width:100%; }

.nav-actions{ display:flex; align-items:center; gap:12px; }

/* Language switcher */
.lang{ position:relative; }
.lang-toggle{
  display:inline-flex; align-items:center; gap:8px;
  background:transparent; border:1.5px solid var(--line);
  border-radius:var(--r); padding:9px 13px; font-size:.86rem; font-weight:700;
  color:var(--ink); transition:border-color .18s ease;
}
.lang-toggle:hover{ border-color:var(--ink); }
.lang-toggle .chev{ transition:transform .2s ease; }
.lang[aria-expanded="true"] .chev{ transform:rotate(180deg); }
.lang-menu{
  position:absolute; right:0; top:calc(100% + 8px);
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--r); box-shadow:var(--shadow);
  min-width:182px; padding:6px; display:none; overflow:hidden;
}
.lang[aria-expanded="true"] .lang-menu{ display:block; }
.lang-menu button{
  display:flex; align-items:center; gap:10px; width:100%;
  background:transparent; border:0; padding:10px 12px; border-radius:3px;
  font-size:.92rem; font-weight:600; color:var(--ink); text-align:left;
}
.lang-menu button:hover{ background:var(--canvas-deep); }
.lang-menu button[aria-current="true"]{ color:var(--ultramarine); }
.lang-menu .flag{ font-size:1.05rem; line-height:1; }

/* Mobile nav toggle */
.nav-burger{
  display:none; width:42px; height:42px; border:1.5px solid var(--line);
  border-radius:var(--r); background:transparent; position:relative;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  content:""; position:absolute; left:50%; width:18px; height:2px;
  background:var(--ink); transform:translateX(-50%); transition:.2s ease;
}
.nav-burger span{ top:50%; transform:translate(-50%,-50%); }
.nav-burger span::before{ top:-6px; }
.nav-burger span::after{ top:6px; }

/* =========================================================
   Hero
   ========================================================= */
.hero{ position:relative; overflow:hidden; }
.hero::before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(60% 80% at 88% 12%, rgba(44,74,140,.10), transparent 60%),
    radial-gradient(50% 60% at 6% 95%, rgba(177,91,46,.10), transparent 60%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(28px,5vw,68px);
  align-items:center;
  padding-block:clamp(54px, 7vw, 96px);
}
.hero-copy h1{
  font-size:clamp(2.5rem, 5.6vw, 4.5rem);
  font-optical-sizing:auto; font-weight:500;
  margin-bottom:22px;
}
.hero-copy h1 em{ font-style:italic; color:var(--sienna); }
.hero-copy .sub{
  font-size:1.12rem; color:var(--ink-soft); max-width:46ch; margin-bottom:30px;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:38px; }

/* Pigment strip */
.pigment-strip{ display:flex; align-items:center; gap:0; }
.pigment-strip .chip{
  flex:1; height:46px; position:relative;
  box-shadow:inset 0 0 0 1px rgba(0,0,0,.07);
}
.pigment-strip .chip:first-child{ border-radius:6px 0 0 6px; }
.pigment-strip .chip:last-child{ border-radius:0 6px 6px 0; }
.pigment-strip .chip span{
  position:absolute; bottom:6px; left:8px;
  font-family:var(--mono); font-size:.6rem; color:rgba(255,255,255,.85);
  letter-spacing:.03em;
}

/* Hero figure — arched canvas */
.hero-figure{ position:relative; }
.hero-figure .frame{
  border-radius:230px 230px var(--r-lg) var(--r-lg);
  overflow:hidden; box-shadow:var(--shadow);
  border:1px solid var(--line);
  background:var(--canvas-deep);
  aspect-ratio:4/5;
}
.hero-figure .frame img{ width:100%; height:100%; object-fit:cover; }
.hero-figure .badge{
  position:absolute; left:-18px; bottom:34px;
  background:var(--paper); border:1px solid var(--line);
  border-radius:var(--r-lg); padding:16px 20px; box-shadow:var(--shadow-soft);
  display:flex; align-items:center; gap:14px; max-width:240px;
}
.hero-figure .badge .num{ font-family:var(--display); font-size:2rem; color:var(--ultramarine); line-height:1; }
.hero-figure .badge .lab{ font-size:.82rem; color:var(--ink-soft); line-height:1.35; }

/* Stat row under hero */
.stat-row{
  position:relative;
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line); margin-top:8px;
}
.stat-row .stat{ padding:26px 6px; text-align:center; }
.stat-row .stat + .stat{ border-left:1px solid var(--line); }
.stat-row .num{ font-family:var(--display); font-size:clamp(1.8rem,3.4vw,2.6rem); color:var(--ink); }
.stat-row .lab{ font-size:.82rem; text-transform:uppercase; letter-spacing:.12em; color:var(--muted); margin-top:4px; }

/* =========================================================
   About
   ========================================================= */
.about-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,5vw,64px);
  align-items:center;
}
.about-figure{ position:relative; }
.about-figure img{
  border-radius:var(--r-lg); width:100%; aspect-ratio:5/4; object-fit:cover;
  border:1px solid var(--line); box-shadow:var(--shadow-soft);
}
.about-figure .stamp{
  position:absolute; right:-14px; bottom:-14px;
  width:118px; height:118px; border-radius:50%;
  background:var(--ultramarine); color:#fff;
  display:grid; place-content:center; text-align:center;
  font-family:var(--display); font-size:.9rem; line-height:1.15; padding:12px;
  box-shadow:var(--shadow);
}
.about-copy h2{ font-size:clamp(1.8rem,3.6vw,2.7rem); margin-bottom:20px; }
.about-copy p + p{ margin-top:16px; }
.about-feats{ display:grid; gap:14px; margin-top:28px; }
.about-feats li{ display:flex; gap:13px; align-items:flex-start; font-weight:500; }
.about-feats .tick{
  flex:none; width:24px; height:24px; border-radius:50%;
  background:var(--sienna); color:#fff; display:grid; place-content:center;
  font-size:.8rem; margin-top:2px;
}

/* =========================================================
   Courses
   ========================================================= */
.course-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:22px; margin-top:48px;
}
.course-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:hidden; display:flex; flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.course-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow); }
.course-card .thumb{ aspect-ratio:16/10; overflow:hidden; background:var(--canvas-deep); }
.course-card .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.course-card:hover .thumb img{ transform:scale(1.05); }
.course-card .body{ padding:24px 24px 26px; display:flex; flex-direction:column; flex:1; }
.course-tag{
  display:inline-flex; align-items:center; gap:8px; margin-bottom:14px;
  font-family:var(--mono); font-size:.7rem; color:var(--muted); letter-spacing:.04em;
}
.course-tag .dot{ width:13px; height:13px; border-radius:3px; box-shadow:inset 0 0 0 1px rgba(0,0,0,.12); }
.course-card h3{ font-size:1.4rem; margin-bottom:10px; }
.course-card p{ color:var(--ink-soft); font-size:.97rem; flex:1; }
.course-meta{
  display:flex; gap:18px; margin-top:18px; padding-top:16px; border-top:1px solid var(--line-soft);
  font-size:.84rem; color:var(--ink-soft);
}
.course-meta b{ display:block; font-family:var(--display); font-size:1rem; color:var(--ink); font-weight:600; }
.course-meta .k{ text-transform:uppercase; letter-spacing:.1em; font-size:.66rem; color:var(--muted); }

/* =========================================================
   Why us
   ========================================================= */
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:48px; }
.why-card{ background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg); padding:28px 24px; }
.why-card .ico{
  width:48px; height:48px; border-radius:11px; display:grid; place-content:center;
  margin-bottom:18px; color:#fff;
}
.why-card h3{ font-size:1.2rem; margin-bottom:9px; }
.why-card p{ color:var(--ink-soft); font-size:.93rem; }

/* =========================================================
   Gallery
   ========================================================= */
.gallery{ display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:170px; gap:14px; margin-top:48px; }
.gallery figure{ margin:0; overflow:hidden; border-radius:var(--r-lg); border:1px solid var(--line); position:relative; }
.gallery img{ width:100%; height:100%; object-fit:cover; transition:transform .45s ease; }
.gallery figure:hover img{ transform:scale(1.06); }
.gallery .g-tall{ grid-row:span 2; }
.gallery .g-wide{ grid-column:span 2; }

/* =========================================================
   Reviews
   ========================================================= */
.review-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:48px; }
.review-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:30px 26px; display:flex; flex-direction:column;
}
.review-card .quote-mark{ font-family:var(--display); font-size:3rem; line-height:.6; color:var(--cadmium); margin-bottom:14px; }
.review-card p{ color:var(--ink-soft); font-size:1rem; flex:1; }
.review-author{ display:flex; align-items:center; gap:13px; margin-top:22px; padding-top:18px; border-top:1px solid var(--line-soft); }
.review-author img{ width:48px; height:48px; border-radius:50%; object-fit:cover; border:1px solid var(--line); }
.review-author .who{ font-weight:700; font-size:.95rem; }
.review-author .role{ font-size:.82rem; color:var(--muted); }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:clamp(28px,5vw,56px); margin-top:48px; align-items:start; }
.form{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(24px,3.5vw,38px);
}
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.85rem; font-weight:700; margin-bottom:7px; }
.field input,.field select,.field textarea{
  width:100%; padding:13px 14px; font-family:inherit; font-size:1rem; color:var(--ink);
  background:var(--canvas); border:1.5px solid var(--line); border-radius:var(--r);
  transition:border-color .18s ease, box-shadow .18s ease;
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--ultramarine);
  box-shadow:0 0 0 3px rgba(44,74,140,.14);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{ border-color:var(--sienna); }
.field .err{ display:none; color:var(--sienna); font-size:.8rem; margin-top:6px; font-weight:600; }
.field.invalid .err{ display:block; }

.form-note{ font-size:.82rem; color:var(--muted); margin-top:6px; }
.form-success{
  display:none; align-items:flex-start; gap:13px;
  background:rgba(47,106,85,.1); border:1px solid rgba(47,106,85,.35);
  color:var(--viridian); border-radius:var(--r); padding:16px 18px;
  margin-bottom:20px; font-weight:600;
}
.form-success.show{ display:flex; }
.form-success .ok{ flex:none; width:26px; height:26px; border-radius:50%; background:var(--viridian); color:#fff; display:grid; place-content:center; }

/* Contact details */
.contact-info{ display:grid; gap:16px; }
.info-card{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:22px 24px; display:flex; gap:16px; align-items:flex-start;
}
.info-card .ico{
  flex:none; width:44px; height:44px; border-radius:11px;
  background:var(--canvas-deep); display:grid; place-content:center; color:var(--ultramarine);
}
.info-card .k{ font-size:.72rem; text-transform:uppercase; letter-spacing:.12em; color:var(--muted); margin-bottom:4px; }
.info-card .v{ font-weight:600; font-size:1rem; line-height:1.5; }
.info-card a.v:hover{ color:var(--ultramarine); }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background:var(--ink); color:#cfd2da; padding-block:64px 30px; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:40px; }
.footer-brand{ display:flex; align-items:center; gap:11px; margin-bottom:16px; }
.footer-brand img{ height:32px; filter:brightness(0) invert(1); }
.footer-brand .brand-name{ font-family:var(--display); font-size:1.3rem; color:#fff; }
.footer-col p{ color:#9aa0ad; font-size:.93rem; max-width:34ch; }
.footer-col h4{ font-family:var(--body); font-size:.78rem; text-transform:uppercase; letter-spacing:.14em; color:#fff; margin-bottom:16px; font-weight:700; }
.footer-col ul{ display:grid; gap:11px; }
.footer-col a{ color:#9aa0ad; font-size:.94rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:14px; justify-content:space-between; align-items:center;
  margin-top:46px; padding-top:24px; border-top:1px solid rgba(255,255,255,.12);
  font-size:.85rem; color:#8a909c;
}
.footer-legal{ display:flex; flex-wrap:wrap; gap:20px; }

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

/* =========================================================
   Legal pages
   ========================================================= */
.legal-hero{ padding-block:clamp(48px,7vw,90px) 0; }
.legal-hero h1{ font-size:clamp(2rem,4.4vw,3.2rem); margin-bottom:12px; }
.legal-hero .updated{ color:var(--muted); font-size:.9rem; }
.legal-body{ max-width:760px; }
.legal-body h2{ font-size:1.4rem; margin:38px 0 12px; }
.legal-body p{ color:var(--ink-soft); margin-bottom:12px; }
.legal-body ul{ list-style:disc; padding-left:22px; color:var(--ink-soft); margin-bottom:12px; display:grid; gap:7px; }
.back-link{ display:inline-flex; align-items:center; gap:8px; color:var(--ultramarine); font-weight:700; margin-top:8px; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-figure{ order:-1; max-width:440px; margin-inline:auto; }
  .about-grid{ grid-template-columns:1fr; }
  .about-figure{ max-width:520px; }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .review-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:760px){
  .nav-links{
    position:fixed; inset:72px 0 auto 0; flex-direction:column; gap:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    padding:8px var(--gutter) 18px; transform:translateY(-130%);
    transition:transform .28s ease; box-shadow:var(--shadow); z-index:55;
  }
  .nav-links.open{ transform:translateY(0); }
  .nav-links a{ padding:14px 0; border-bottom:1px solid var(--line-soft); }
  .nav-burger{ display:block; }
  .nav .btn--primary{ display:none; }
  .course-grid{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:repeat(2,1fr); grid-auto-rows:150px; }
  .footer-grid{ grid-template-columns:1fr; }
}
@media (max-width:480px){
  .why-grid{ grid-template-columns:1fr; }
  .stat-row{ grid-template-columns:1fr; }
  .stat-row .stat + .stat{ border-left:0; border-top:1px solid var(--line); }
  .pigment-strip .chip span{ display:none; }
}

@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}