@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700;12..96,800&family=Outfit:wght@300;400;500;600;700&display=swap');

:root{
  --bg:#f3f0ea;
  --paper:#f7f5f0;
  --card:#ece7f3;
  --card-soft:#f3eff8;
  --text:#26234f;
  --text-soft:#5c5882;
  --white:#ffffff;
  --line:rgba(38,35,79,.14);

  --purple:#4d49a8;
  --purple-deep:#36328d;
  --purple-soft:#d7d0f3;

  --pink:#ff5571;
  --teal:#18c3bd;
  --sky:#62b9e7;
  --apricot:#f4be7d;
  --lilac:#c95fc1;
  --mint:#7edcc2;

  --max:1380px;
  --radius:0;
  --shadow:none;

  --font-display:'Bricolage Grotesque', system-ui, sans-serif;
  --font-body:'Outfit', system-ui, sans-serif;
}

*,
*::before,
*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

html{
  scroll-behavior:smooth;
  -webkit-font-smoothing:antialiased;
}

body{
  font-family:var(--font-body);
  background:var(--purple);
  color:var(--white);
  line-height:1.55;
  font-size:16px;
}

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

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

button{
  font:inherit;
}

ul,ol{
  list-style:none;
}

.container{
  width:min(var(--max), calc(100% - 4rem));
  margin-inline:auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--purple);
  border-bottom:1px solid rgba(255,255,255,.08);
}

.nav-wrap{
  min-height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
}

.brand{
  display:flex;
  align-items:center;
  gap:1rem;
}

.brand-mark{
  display:flex;
  align-items:center;
  gap:.35rem;
}

.brand-dot-lg{
  width:22px;
  height:22px;
  border-radius:50%;
  background:#fff;
  opacity:.95;
}

.brand-dot-sm{
  width:10px;
  height:10px;
  border-radius:50%;
  background:#fff;
  opacity:.95;
  transform:translateY(6px);
}

.brand-text{
  display:flex;
  align-items:center;
  gap:1.2rem;
  color:#fff;
}

.brand-text strong{
  font-size:1.55rem;
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.03em;
}

.brand-text strong span{
  color:var(--teal);
}

.brand-divider{
  width:1px;
  height:34px;
  background:rgba(255,255,255,.2);
}

.brand-subtitle{
  font-size:1rem;
  font-weight:600;
  color:rgba(255,255,255,.92);
}

.nav-right{
  display:flex;
  align-items:center;
  gap:1.25rem;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:.4rem;
}

.site-nav a{
  color:rgba(255,255,255,.8);
  font-size:.95rem;
  font-weight:600;
  padding:.45rem .75rem;
  border-radius:999px;
  transition:background .15s ease,color .15s ease;
}

.site-nav a:hover,
.site-nav a.active{
  color:#fff;
  background:rgba(255,255,255,.08);
}

.menu-link{
  display:inline-flex;
  align-items:center;
  gap:.75rem;
  color:#fff;
  font-weight:700;
}

.menu-lines{
  display:grid;
  gap:5px;
}

.menu-lines span{
  width:24px;
  height:2px;
  background:#fff;
  display:block;
}

.nav-toggle{
  display:none;
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  color:#fff;
  padding:.5rem .8rem;
}

.course-shell{
  padding:2rem 0 4rem;
}

.course-intro{
  padding:3rem 0 2.5rem;
}

.course-intro-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:3rem;
  align-items:end;
}

.course-kicker{
  display:inline-block;
  color:rgba(255,255,255,.7);
  font-size:.95rem;
  font-weight:600;
  margin-bottom:1rem;
}

.course-intro h1{
  font-family:var(--font-display);
  font-size:clamp(2.5rem, 5vw, 4.5rem);
  line-height:.95;
  letter-spacing:-.05em;
  max-width:10ch;
  margin-bottom:1rem;
  color:#fff;
}

.course-intro p{
  font-size:1.2rem;
  max-width:58ch;
  color:rgba(255,255,255,.84);
}

.course-meta{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1rem;
}

.course-meta-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.1);
  padding:1.25rem 1.1rem;
}

.course-meta-card strong{
  display:block;
  font-family:var(--font-display);
  font-size:2rem;
  line-height:1;
  margin-bottom:.2rem;
  color:#fff;
}

.course-meta-card span{
  color:rgba(255,255,255,.74);
  font-size:.9rem;
}

.chapter-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:2rem;
  align-items:start;
}

.chapter-card{
  background:var(--bg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  color:var(--text);
  transition:transform .15s ease;
}

.chapter-card:hover{
  transform:translateY(-3px);
}

.chapter-visual{
  height:160px;
  min-height:160px;
  display:grid;
  place-items:center;
  overflow:hidden;
}

.chapter-visual.coral{ background:var(--pink); }
.chapter-visual.sky{ background:var(--sky); }
.chapter-visual.lilac{ background:var(--lilac); }
.chapter-visual.teal{ background:var(--teal); }
.chapter-visual.apricot{ background:var(--apricot); }
.chapter-visual.mint{ background:var(--mint); }
.chapter-visual.purple-soft{ background:var(--purple-soft); }

.chapter-emoji{
  font-size:4rem;
  line-height:1;
  filter:drop-shadow(0 6px 0 rgba(0,0,0,.08));
}

.chapter-body{
  background:var(--bg);
  padding:1.5rem;
  flex:1;
}

.chapter-kicker{
  display:block;
  font-size:1rem;
  color:var(--text-soft);
  margin-bottom:.45rem;
}

.chapter-title{
  font-family:var(--font-display);
  font-size:2.15rem;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--text);
  margin-bottom:1.3rem;
}

.chapter-head-row{
  display:grid;
  grid-template-columns:1fr auto;
  gap:1rem;
  padding-bottom:.65rem;
  border-bottom:1px solid var(--line);
  margin-bottom:.25rem;
  color:var(--text-soft);
  font-size:.95rem;
}

.chapter-list{
  display:grid;
}

.chapter-list li{
  display:grid;
  grid-template-columns:1fr auto;
  gap:1rem;
  padding:.95rem 0;
  border-bottom:1px solid var(--line);
  color:var(--text);
  font-size:1.05rem;
}

.chapter-list li span:last-child{
  color:var(--text-soft);
  font-weight:600;
}

.chapter-actions{
  display:flex;
  gap:.8rem;
  flex-wrap:wrap;
  margin-top:1.1rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:.8rem 1.2rem;
  border:none;
  cursor:pointer;
  font-weight:700;
  transition:transform .15s ease, opacity .15s ease, background .15s ease;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn-primary{
  background:var(--teal);
  color:#fff;
}

.btn-secondary{
  background:transparent;
  border:2px solid rgba(255,255,255,.45);
  color:#fff;
}

.btn-light{
  background:#fff;
  color:var(--purple-deep);
}

.btn-ghost{
  background:transparent;
  border:2px solid rgba(38,35,79,.18);
  color:var(--text);
}

.home-section{
  margin-top:4rem;
}

.section-block{
  background:var(--bg);
  color:var(--text);
  padding:3rem;
}

.section-block h2{
  font-family:var(--font-display);
  font-size:clamp(2rem, 4vw, 3.25rem);
  line-height:.98;
  letter-spacing:-.04em;
  margin-bottom:1rem;
}

.section-block p{
  color:var(--text-soft);
  font-size:1.05rem;
  max-width:68ch;
}

.section-block-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2rem;
  align-items:start;
}

.simple-list{
  display:grid;
  gap:.8rem;
  margin-top:1.5rem;
}

.simple-list li{
  padding:1rem 0;
  border-bottom:1px solid var(--line);
  font-size:1.05rem;
  color:var(--text);
}

.simple-list strong{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.02em;
}

.course-footer{
  padding:2.25rem 0 3rem;
  color:rgba(255,255,255,.82);
}

.footer-wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  flex-wrap:wrap;
}

.footer-links{
  display:flex;
  flex-wrap:wrap;
  gap:1.25rem;
}

.footer-links a{
  color:rgba(255,255,255,.74);
}

.footer-links a:hover{
  color:#fff;
}

.course-note{
  color:rgba(255,255,255,.72);
  font-size:.95rem;
}

.page-surface{
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
}

.inner-hero{
  background:var(--pink);
  color:#fff;
  padding:4rem 0 3rem;
}

.inner-hero.teal-bg{ background:var(--teal); }
.inner-hero.sky-bg{ background:var(--sky); }
.inner-hero.lilac-bg{ background:var(--lilac); }
.inner-hero.apricot-bg{ background:var(--apricot); color:var(--text); }
.inner-hero.purple-bg{ background:var(--purple); }

.inner-hero h1{
  font-family:var(--font-display);
  font-size:clamp(2.5rem, 5vw, 4.5rem);
  line-height:.95;
  letter-spacing:-.05em;
  margin-bottom:.8rem;
}

.inner-hero p{
  max-width:54ch;
  font-size:1.1rem;
}

.page-content{
  padding:3rem 0 4rem;
}

.page-card{
  background:var(--paper);
  border-left:8px solid var(--purple);
  padding:2rem;
  margin-bottom:1.5rem;
}

.page-card h2{
  font-family:var(--font-display);
  font-size:2rem;
  line-height:1;
  margin-bottom:.8rem;
  letter-spacing:-.04em;
}

.page-card p,
.page-card li{
  color:var(--text-soft);
  font-size:1rem;
}

.page-card ul,
.page-card ol{
  list-style:disc;
  padding-left:1.25rem;
  margin-top:1rem;
}

.page-card ol{
  list-style:decimal;
}

@media (max-width: 1100px){
  .chapter-grid,
  .course-intro-grid,
  .section-block-grid{
    grid-template-columns:1fr;
  }

  .chapter-body{
    min-height:auto;
  }
}

@media (max-width: 900px){
  .container{
    width:min(var(--max), calc(100% - 2rem));
  }

  .site-nav{
    display:none;
    position:absolute;
    top:84px;
    left:1rem;
    right:1rem;
    background:var(--purple-deep);
    padding:.75rem;
    flex-direction:column;
    align-items:stretch;
    border:1px solid rgba(255,255,255,.12);
  }

  .site-nav.open{
    display:flex;
  }

  .site-nav a{
    padding:.8rem .9rem;
    border-radius:0;
  }

  .nav-toggle{
    display:inline-flex;
  }

  .brand-subtitle,
  .brand-divider,
  .menu-link{
    display:none;
  }

  .chapter-grid{
    grid-template-columns:1fr;
    gap:1.5rem;
  }

  .course-meta{
    grid-template-columns:1fr 1fr;
  }

  .section-block{
    padding:2rem 1.25rem;
  }
}

@media (max-width: 640px){
  .course-intro{
    padding:2rem 0 1.5rem;
  }

  .course-intro h1{
    max-width:12ch;
  }

  .course-meta{
    grid-template-columns:1fr;
  }

  .chapter-title{
    font-size:1.8rem;
  }

  .chapter-list li{
    grid-template-columns:1fr;
    gap:.2rem;
  }
}
.lesson-hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:3rem;
  align-items:end;
}

.lesson-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  align-items:center;
  margin-bottom:1rem;
  color:rgba(255,255,255,.78);
  font-size:.95rem;
}

.lesson-breadcrumb strong{
  color:#fff;
}

.lesson-kicker{
  display:inline-block;
  margin-bottom:.9rem;
  font-size:1rem;
  font-weight:700;
  color:rgba(255,255,255,.85);
}

.lesson-meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  margin-top:1.25rem;
  color:rgba(255,255,255,.92);
  font-weight:600;
}

.lesson-meta-line span{
  padding:.45rem .75rem;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
}

.lesson-hero-visual{
  display:flex;
  align-items:flex-end;
  justify-content:center;
  min-height:320px;
}

.lesson-hero-emoji{
  font-size:12rem;
  line-height:1;
  filter:drop-shadow(0 10px 0 rgba(0,0,0,.08));
}

.lesson-layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:2rem;
  align-items:start;
}

.lesson-sidebar{
  position:sticky;
  top:110px;
  display:grid;
  gap:1rem;
}

.lesson-side-card{
  background:var(--paper);
  border-left:8px solid var(--purple);
  padding:1.5rem;
}

.lesson-side-card h3{
  font-family:var(--font-display);
  font-size:1.2rem;
  line-height:1;
  margin-bottom:.8rem;
}

.lesson-side-card p{
  color:var(--text-soft);
  margin-bottom:1rem;
}

.lesson-side-card ul{
  display:grid;
  gap:.55rem;
}

.lesson-side-card li a{
  color:var(--text-soft);
  font-weight:600;
}

.lesson-side-card li a:hover{
  color:var(--text);
}

.lesson-main{
  min-width:0;
}

.lesson-callout-card{
  background:#f2eefb;
  border-left-color:#8b7ae0;
}

.lesson-note-label{
  display:inline-block;
  margin-bottom:.8rem;
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--text-soft);
}

.concept-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:1rem;
  margin-top:1rem;
}

.concept-box{
  background:var(--paper);
  border:1px solid var(--line);
  padding:1.2rem;
}

.concept-box strong{
  display:block;
  font-family:var(--font-display);
  font-size:1.1rem;
  line-height:1.1;
  color:var(--text);
  margin-bottom:.45rem;
}

.concept-box p{
  color:var(--text-soft);
}

.examples-grid-lesson{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:1rem;
  margin-top:1rem;
}

.example-item{
  background:var(--paper);
  border:1px solid var(--line);
  padding:1.2rem;
}

.example-item strong{
  display:block;
  font-family:var(--font-display);
  font-size:1.05rem;
  margin-bottom:.35rem;
}

.lesson-warning-card{
  background:#fff1f3;
  border-left-color:#ff5571;
}

.lesson-reflect-card{
  background:#eefcf8;
  border-left-color:#18c3bd;
}

.lesson-compare-table{
  margin-top:1rem;
  border:1px solid var(--line);
}

.lesson-compare-row{
  display:grid;
  grid-template-columns:1.15fr 1fr 1fr;
}

.lesson-compare-row > div{
  padding:1rem;
  border-top:1px solid var(--line);
  color:var(--text-soft);
}

.lesson-compare-row > div:first-child{
  color:var(--text);
  font-weight:700;
}

.lesson-compare-head > div{
  border-top:none;
  background:#ece7f3;
  color:var(--text);
  font-weight:700;
}

.mini-quiz-static{
  display:grid;
  gap:1rem;
  margin-top:1rem;
}

.mini-quiz-q{
  background:var(--paper);
  border:1px solid var(--line);
  padding:1.25rem;
}

.mini-quiz-q strong{
  display:block;
  font-family:var(--font-display);
  font-size:1.1rem;
  line-height:1.15;
  margin-bottom:.75rem;
}

.mini-quiz-q ul{
  list-style:disc;
  padding-left:1.25rem;
}

.mini-quiz-q ul li{
  margin-bottom:.35rem;
  color:var(--text-soft);
}

.mini-quiz-exp{
  margin-top:.85rem;
  color:var(--text);
  font-weight:500;
}

/* Interactive mini-quiz */
.mini-quiz{
  display:grid;
  gap:1.25rem;
  margin-top:1rem;
}

.mini-quiz .mini-quiz-q{
  background:var(--paper);
  border:1px solid var(--line);
  padding:1.5rem;
}

.mini-quiz-options{
  display:grid;
  gap:.5rem;
}

.mini-quiz-opt{
  display:block;
  width:100%;
  text-align:left;
  padding:.85rem 1rem;
  border:2px solid var(--line);
  background:var(--white);
  color:var(--text);
  font-family:var(--font-body);
  font-size:.95rem;
  cursor:pointer;
  transition:border-color .15s ease, background .15s ease;
  line-height:1.4;
}

.mini-quiz-opt:hover:not(:disabled){
  border-color:var(--purple);
  background:#f3eff8;
}

.mini-quiz-opt:disabled{
  cursor:default;
}

.mini-quiz-opt.correct{
  border-color:#2e9e5e;
  background:#e6f7ed;
  color:#1a6b3c;
  font-weight:600;
}

.mini-quiz-opt.incorrect{
  border-color:#d94452;
  background:#fef0f1;
  color:#a8323e;
}

.mini-quiz .mini-quiz-exp{
  display:none;
  margin-top:1rem;
  padding:1rem;
  background:#f2eefb;
  border-left:4px solid var(--purple);
  color:var(--text);
  font-weight:500;
}

.mini-quiz .mini-quiz-exp.visible{
  display:block;
}

.mini-quiz-score{
  margin-top:1rem;
  padding:1rem 1.25rem;
  background:#e6f7ed;
  border:2px solid #2e9e5e;
  font-family:var(--font-display);
  font-size:1.15rem;
  font-weight:700;
  color:#1a6b3c;
  text-align:center;
}

.lesson-bottom-nav{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  flex-wrap:wrap;
  margin-top:2rem;
}

@media (max-width: 1100px){
  .lesson-layout,
  .lesson-hero-grid{
    grid-template-columns:1fr;
  }

  .lesson-sidebar{
    position:static;
  }
}

@media (max-width: 700px){
  .concept-grid,
  .examples-grid-lesson,
  .lesson-compare-row{
    grid-template-columns:1fr;
  }

  .lesson-hero-emoji{
    font-size:7rem;
  }
}
/* Footer */
.site-footer{
  padding:4rem 0 2.5rem;
  color:rgba(255,255,255,.82);
}

.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3rem;
  margin-bottom:3rem;
}

.footer-brand{
  font-family:var(--font-display);
  font-size:1.6rem;
  font-weight:700;
  color:#fff;
  margin-bottom:1rem;
}

.footer-brand span{
  color:var(--teal);
}

.footer-desc{
  font-size:.95rem;
  line-height:1.6;
  max-width:36ch;
  margin-bottom:1rem;
  color:rgba(255,255,255,.72);
}

.footer-author{
  font-size:.8rem;
  color:rgba(255,255,255,.4);
}

.footer-author a{
  transition:color .15s ease;
}

.footer-author a:hover{
  color:var(--teal);
}

.footer-topics h4{
  font-size:.75rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:1rem;
}

.footer-topic-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.5rem 2rem;
}

.footer-topic-group p{
  font-size:.7rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.05em;
  color:rgba(255,255,255,.45);
  margin-bottom:.5rem;
}

.footer-topic-group ul{
  display:grid;
  gap:.3rem;
}

.footer-topic-group li a{
  font-size:.8rem;
  color:rgba(255,255,255,.6);
  transition:color .15s ease;
}

.footer-topic-group li a:hover{
  color:var(--teal);
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:2rem;
}

.footer-legal{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:1.5rem;
  margin-bottom:1.5rem;
}

.footer-legal a{
  font-size:.9rem;
  color:rgba(255,255,255,.6);
  transition:color .15s ease;
}

.footer-legal a:hover{
  color:var(--teal);
}

.footer-copy{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:1rem;
  font-size:.8rem;
  color:rgba(255,255,255,.5);
}

.footer-copy span:last-child{
  color:rgba(255,255,255,.3);
}

@media (max-width: 700px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:2rem;
  }

  .footer-topic-grid{
    grid-template-columns:1fr 1fr;
  }

  .footer-copy{
    flex-direction:column;
    text-align:center;
  }
}

/* Utility color classes */
.coral{ background: #ff5470; }
.blue{ background: #4f7cff; }
.green{ background: #3bb273; }
.amber{ background: #f4a340; }
.lilac{ background: #b7a1ff; }
.mint{ background: #7ad9c4; }
.apricot{ background: #ffb37b; }

/* Button variants */
.btn-outline{
  background:transparent;
  border:2px solid var(--purple);
  color:var(--purple);
}

.btn-sm{
  min-height:38px;
  padding:.5rem .9rem;
  font-size:.9rem;
}

/* Responsive - small screens for chapter cards */
@media (max-width: 700px){
  .chapter-visual{
    height: 120px;
    min-height: 120px;
  }

  .chapter-emoji{
    font-size: 2.8rem;
  }

  .chapter-title{
    font-size: 1.3rem;
  }

  .chapter-list li{
    font-size: .88rem;
  }
}
.video-embed {
  margin-top: 1rem;
  border-radius: 1rem;
  overflow: hidden;
}
/* 1. HONDO OROKORRA ZURIA ETA TESTUA ILUNA */
body, html {
  background-color: #ffffff !important;
  color: #26234f !important;
}

/* 2. GOIKALDEKO ETA BEHEKALDEKO ATALAK MOREAK */
.site-header,
.site-footer,
.course-intro,
.inner-hero,
.lessons-hero,
.teach-hero,
.family-hero,
.erronka-hero,
.lesson-hero-visual {
  background-color: #4d49a8 !important;
  color: #ffffff !important;
}

/* 3. GOIKALDEKO TESTU GUZTIAK ZURIAK BEHARTU */
.site-header *,
.course-intro *,
.inner-hero *,
.lessons-hero *,
.teach-hero *,
.family-hero *,
.erronka-hero *,
.lesson-hero-visual * {
  color: #ffffff !important;
}

/* 4. EDUKI NAGUSIAREN HONDOA ZURIA */
main,
.course-shell,
.page-surface,
.lab-shell,
.lesson-layout,
.home-section {
  background-color: #ffffff !important;
}

/* 5. BOTOIAK ETA BESTE SALBUESPENAK KONPONDU */
.btn-primary, .btn-primary * {
  color: #ffffff !important;
}
.brand-dot-sm, .brand-dot-lg {
  background-color: #ffffff !important;
}