/* Café Babel language school. Multi-page. Edit :root to restyle. */
@view-transition { navigation: auto; }

:root {
  --mint: #E6EFE9;
  --mint-2: #D5E4DA;
  --teal: #0F3D3A;
  --teal-2: #1D5A55;
  --tomato: #E4572E;
  --butter: #F6D47A;
  --white: #FFFFFF;
  --muted: #4E6663;
  --line: rgba(15,61,58,.16);

  --display: "Anybody", system-ui, sans-serif;
  --sans: "Karla", system-ui, sans-serif;
  --bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --out: cubic-bezier(0.16, 1, 0.3, 1);
  --gutter: clamp(1rem, 4vw, 3rem);
}

[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 1.0625rem/1.6 var(--sans); color: var(--teal); background: var(--mint); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 800; font-stretch: 80%; letter-spacing: -0.02em; line-height: .95; }
h2 { font-size: clamp(2.2rem, 5vw, 4rem); }
p { margin: 0 0 1rem; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--tomato); outline-offset: 3px; }
.hp { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.wrap { width: min(100% - 2 * var(--gutter), 80rem); margin-inline: auto; }
.muted { color: var(--muted); }
.tnum { font-variant-numeric: tabular-nums; }
[data-i18n], [data-dyn] { transition: opacity .18s; }
.is-switching [data-i18n], .is-switching [data-dyn] { opacity: 0; }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 40; background: var(--mint); border-bottom: 1px solid var(--line); view-transition-name: header; }
.site-header .wrap { display: flex; align-items: center; gap: 1.5rem; padding-block: .8rem; }
.brand { display: flex; align-items: center; gap: .55rem; margin-right: auto; font: 800 1.3rem/1 var(--display); font-stretch: 70%; text-decoration: none; }
.brand svg { width: 2rem; height: 2rem; }
.site-nav { display: flex; gap: 1.4rem; }
.site-nav a { text-decoration: none; font-weight: 600; padding-block: .3rem; background: linear-gradient(var(--tomato), var(--tomato)) no-repeat left bottom / 0 3px; transition: background-size .5s var(--out); }
.site-nav a:hover, .site-nav a[aria-current="page"] { background-size: 100% 3px; }
.langs { display: flex; gap: .25rem; }
.langs button { width: 2.4rem; height: 2.4rem; border: 2px solid var(--teal); border-radius: 50%; background: transparent; font: 700 .8rem var(--sans); cursor: pointer; transition: transform .4s var(--bounce), background-color .2s; }
.langs button:hover { transform: translateY(-3px) rotate(-6deg); }
.langs button[aria-pressed="true"] { background: var(--teal); color: var(--mint); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .6rem; padding: .95rem 1.4rem; border: 2px solid var(--teal); border-radius: 99px; background: var(--teal); color: var(--mint); font-weight: 700; text-decoration: none; cursor: pointer; box-shadow: 0 4px 0 var(--tomato); transition: transform .3s var(--bounce), box-shadow .3s var(--bounce); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 var(--tomato); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--tomato); }
.btn--light { background: transparent; color: var(--teal); box-shadow: 0 4px 0 var(--teal); }
.btn--light:hover { box-shadow: 0 6px 0 var(--teal); }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* ---------- Hero ---------- */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding-block: clamp(3rem, 7vw, 6rem); }
.hello { display: block; font: 900 clamp(5rem, 15vw, 13rem)/.85 var(--display); letter-spacing: -0.04em; color: var(--tomato); font-stretch: var(--w, 100%); transition: font-stretch .9s var(--out); white-space: nowrap; }
.hello__lang { display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1rem; padding: .3rem .8rem .3rem .35rem; border-radius: 99px; background: var(--white); font-weight: 700; font-size: .9rem; }
.hello__lang b { display: grid; place-items: center; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--butter); font-size: .75rem; }
.hero__lede { font-size: 1.25rem; max-width: 34rem; margin: 1.6rem 0 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.bubble { position: relative; }
.bubble__img { border-radius: 48% 52% 46% 54% / 40% 42% 58% 60%; overflow: hidden; aspect-ratio: 1; animation: blob 14s ease-in-out infinite alternate; }
.bubble__img img { width: 100%; height: 100%; object-fit: cover; }
@keyframes blob { 50% { border-radius: 58% 42% 52% 48% / 52% 58% 42% 48%; } }
.bubble__tag { position: absolute; padding: .7rem 1rem; border-radius: 1.2rem; background: var(--white); font-weight: 700; box-shadow: 0 10px 30px -12px rgba(15,61,58,.35); animation: float 5s ease-in-out infinite alternate; }
.bubble__tag::after { content: ""; position: absolute; bottom: -8px; left: 1.4rem; border: 8px solid transparent; border-top-color: var(--white); border-bottom: 0; }
.bubble__tag--a { top: 8%; left: -4%; }
.bubble__tag--b { bottom: 10%; right: -2%; background: var(--butter); animation-delay: -2.5s; }
.bubble__tag--b::after { border-top-color: var(--butter); left: auto; right: 1.4rem; }
@keyframes float { to { transform: translateY(-10px) rotate(-2deg); } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 2px solid var(--teal); }
.stats div { padding: 1.6rem 1.2rem; }
.stats div + div { border-left: 2px solid var(--teal); }
.stats b { display: block; font: 900 clamp(2.5rem, 6vw, 4.5rem)/1 var(--display); font-stretch: 60%; }
.stats span { color: var(--muted); }

.section { padding-block: clamp(4rem, 9vw, 7rem); }
.section__head { max-width: 40rem; margin-bottom: 2.5rem; }
.section__head p { color: var(--muted); margin-top: 1rem; font-size: 1.1rem; }

/* ---------- Words ---------- */
.words { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.word { position: relative; display: grid; gap: .6rem; align-content: start; padding: 1.3rem; border-radius: 1.4rem; background: var(--white); border: 2px solid var(--teal); transition: transform .45s var(--bounce); }
.word:nth-child(2) { background: var(--butter); }
.word:nth-child(3) { background: var(--teal); color: var(--mint); }
.word:nth-child(4) { background: var(--mint-2); }
.word:hover { transform: rotate(-1.5deg) translateY(-4px); }
.word small { font-weight: 700; opacity: .75; }
.word b { font: 800 clamp(1.8rem, 3vw, 2.4rem)/1 var(--display); font-stretch: 75%; word-break: break-word; }
.word p { margin: 0; opacity: .85; }
.speak { display: flex; gap: .4rem; margin-top: .5rem; }
.speak button { display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .8rem; border: 2px solid currentColor; border-radius: 99px; background: transparent; font-weight: 700; font-size: .85rem; cursor: pointer; }
.wave { display: inline-flex; gap: 2px; align-items: center; height: 1rem; }
.wave i { width: 3px; height: 30%; border-radius: 2px; background: currentColor; }
.is-speaking .wave i { animation: wave .8s ease-in-out infinite; }
.wave i:nth-child(2) { animation-delay: -.2s; }
.wave i:nth-child(3) { animation-delay: -.4s; }
.wave i:nth-child(4) { animation-delay: -.6s; }
@keyframes wave { 50% { height: 100%; } }

/* ---------- Conversation table ---------- */
.table-sec { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.table-sec__img { border-radius: 1.6rem; overflow: hidden; }
.table-sec__img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.week { list-style: none; padding: 0; margin: 2rem 0 1rem; display: grid; gap: .5rem; }
.week li { display: grid; grid-template-columns: 7rem 1fr auto; gap: 1rem; align-items: center; padding: .9rem 1.1rem; border-radius: 1rem; border: 2px solid var(--line); }
.week li.is-today { border-color: var(--teal); background: var(--white); }
.week .flag { font-weight: 700; }
.live { display: inline-flex; align-items: center; gap: .4rem; padding: .2rem .6rem; border-radius: 99px; background: var(--tomato); color: var(--white); font-weight: 700; font-size: .8rem; }
.live::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: currentColor; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .2; } }
.quote { margin: 0; font: 700 clamp(1.4rem, 3vw, 2.1rem)/1.2 var(--display); font-stretch: 85%; }

/* ---------- Courses ---------- */
.page-title { padding-block: clamp(3rem, 7vw, 5rem) 2rem; }
.page-title h1 { font-size: clamp(3rem, 9vw, 7rem); font-stretch: 65%; }
.page-title p { max-width: 38rem; margin-top: 1rem; font-size: 1.15rem; color: var(--muted); }
.builder { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; padding-bottom: 6rem; }
.opt { padding: 1.4rem 0; border-top: 2px solid var(--teal); }
.opt legend, .opt > label { display: block; font: 800 1.35rem var(--display); font-stretch: 80%; margin-bottom: .9rem; padding: 0; }
fieldset.opt { border: 0; border-top: 2px solid var(--teal); margin: 0; min-width: 0; }
.tiles { display: flex; flex-wrap: wrap; gap: .5rem; }
.tile { position: relative; }
.tile input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.tile span { display: block; padding: .7rem 1.1rem; border: 2px solid var(--teal); border-radius: 99px; font-weight: 700; transition: transform .35s var(--bounce), background-color .2s; }
.tile small { display: block; font-weight: 400; opacity: .8; }
.tile input:checked + span { background: var(--teal); color: var(--mint); transform: translateY(-2px); }
.tile input:focus-visible + span { outline: 3px solid var(--tomato); outline-offset: 2px; }
.tile input:disabled + span { opacity: .35; text-decoration: line-through; }
.tiles--big .tile span { border-radius: 1.1rem; padding: .9rem 1.2rem; }
.weeks { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: center; }
.weeks output { font: 900 3.5rem/1 var(--display); font-stretch: 55%; min-width: 4.5rem; }
.weeks input { width: 100%; accent-color: var(--tomato); }
.ticks { display: flex; justify-content: space-between; font-size: .8rem; color: var(--muted); grid-column: 2; margin-top: -.6rem; }
.hint { font-size: .92rem; color: var(--muted); margin: .7rem 0 0; }
.receipt { position: sticky; top: 5.5rem; padding: 1.6rem; border-radius: 1.4rem; background: var(--white); border: 2px solid var(--teal); box-shadow: 8px 8px 0 var(--teal); }
.receipt h2 { font-size: 2rem; margin-bottom: 1rem; }
.receipt__course { font-weight: 700; margin: 0; }
.receipt__rows { margin: 1.2rem 0; padding: 1rem 0; border-block: 2px dashed var(--line); display: grid; gap: .45rem; }
.receipt__rows div { display: flex; justify-content: space-between; gap: 1rem; }
.receipt__rows .neg { color: var(--tomato); }
.receipt__total { display: flex; justify-content: space-between; align-items: baseline; }
.receipt__total b { font: 900 clamp(2.4rem, 5vw, 3.4rem)/1 var(--display); font-stretch: 60%; }
.receipt .btn { width: 100%; justify-content: center; margin-top: 1.4rem; }
.tip { margin: 1rem 0 0; padding: .6rem .9rem; border-radius: .8rem; background: var(--butter); font-size: .92rem; font-weight: 600; }

/* ---------- Test ---------- */
.test { max-width: 46rem; margin-inline: auto; padding-bottom: 6rem; }
.pick { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.pick button { display: grid; gap: .3rem; justify-items: start; padding: 1.2rem; border: 2px solid var(--teal); border-radius: 1.2rem; background: var(--white); cursor: pointer; text-align: left; transition: transform .4s var(--bounce), box-shadow .4s var(--bounce); }
.pick button:hover { transform: translateY(-4px); box-shadow: 0 6px 0 var(--teal); }
.pick b { font: 900 2rem/1 var(--display); font-stretch: 70%; color: var(--tomato); }
.progress { height: .6rem; border-radius: 99px; background: var(--mint-2); overflow: hidden; margin-bottom: 1.4rem; }
.progress i { display: block; height: 100%; width: 0; background: var(--tomato); border-radius: inherit; transition: width .6s var(--out); }
.qcount { font-weight: 700; color: var(--muted); }
.question { font: 800 clamp(1.8rem, 5vw, 3rem)/1.1 var(--display); font-stretch: 80%; margin: .5rem 0 1.6rem; }
.answers { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.answers button { display: flex; align-items: center; gap: .8rem; padding: 1rem 1.1rem; border: 2px solid var(--teal); border-radius: 1rem; background: var(--white); font-weight: 600; font-size: 1.05rem; text-align: left; cursor: pointer; transition: transform .35s var(--bounce), background-color .2s; }
.answers button kbd { display: grid; place-items: center; min-width: 1.7rem; height: 1.7rem; border-radius: .5rem; background: var(--mint-2); font: 700 .8rem var(--sans); }
.answers button:hover { transform: translateY(-2px); }
.answers button.is-right { background: #CFE8C9; border-color: #2F7A3A; }
.answers button.is-wrong { background: #F8D3C8; border-color: var(--tomato); animation: shake .4s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.skip { margin-top: 1rem; border: 0; background: none; text-decoration: underline; cursor: pointer; color: var(--muted); }
.qcard { animation: qin .5s var(--out); }
@keyframes qin { from { opacity: 0; transform: translateX(2rem); } }
.result { text-align: center; }
.gauge { width: min(100%, 22rem); margin: 0 auto; }
.gauge .track { fill: none; stroke: var(--mint-2); stroke-width: 22; stroke-linecap: round; }
.gauge .fill { fill: none; stroke: var(--tomato); stroke-width: 22; stroke-linecap: round; transition: stroke-dashoffset 1.6s var(--out); }
.gauge text { font: 700 13px var(--sans); fill: var(--muted); }
.gauge .lvl { font: 900 64px var(--display); font-stretch: 60%; fill: var(--teal); }
.result p { max-width: 32rem; margin-inline: auto; font-size: 1.15rem; }
.result .hero__actions { justify-content: center; margin-top: 1.5rem; }

/* ---------- Enroll ---------- */
.enroll { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; padding-bottom: 6rem; }
.stepper { display: flex; gap: .5rem; list-style: none; padding: 0; margin: 0 0 1.5rem; counter-reset: s; }
.stepper li { flex: 1; padding-top: .6rem; border-top: 4px solid var(--mint-2); font-weight: 700; font-size: .9rem; color: var(--muted); counter-increment: s; transition: border-color .4s; }
.stepper li::before { content: counter(s) ". "; }
.stepper li.is-on { border-color: var(--tomato); color: var(--teal); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.fields .full { grid-column: 1 / -1; }
.field { display: grid; gap: .3rem; font-weight: 700; font-size: .92rem; }
.field input, .field select, .field textarea { width: 100%; padding: .85rem 1rem; border: 2px solid var(--teal); border-radius: .9rem; background: var(--white); font-weight: 400; font-size: 1rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; box-shadow: 0 0 0 4px var(--butter); }
.field.is-bad input, .field.is-bad select { border-color: var(--tomato); box-shadow: 0 0 0 4px #F8D3C8; }
.check { display: flex; gap: .6rem; align-items: center; font-weight: 600; }
.check input { width: 1.2rem; height: 1.2rem; accent-color: var(--tomato); }
.panel-step { animation: qin .5s var(--out); }
.form-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.6rem; }
.review { display: grid; gap: .5rem; margin: 0; }
.review div { display: flex; justify-content: space-between; gap: 1rem; padding: .6rem 0; border-bottom: 2px dashed var(--line); }
.review dt { color: var(--muted); }
.review dd { margin: 0; font-weight: 700; text-align: right; }
.status { min-height: 1.5rem; margin: 1rem 0 0; font-weight: 700; color: var(--teal-2); }

/* ---------- Footer ---------- */
.site-footer { background: var(--teal); color: var(--mint); padding-block: 3.5rem 2rem; }
.site-footer .wrap { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
.site-footer .big { font: 900 clamp(2.8rem, 8vw, 6rem)/.9 var(--display); font-stretch: 60%; margin: 0 0 1rem; color: var(--butter); }
.site-footer p { margin: 0; opacity: .85; }

.js [data-reveal] { opacity: 0; transform: translateY(2.5rem) rotate(1deg); }
.js [data-reveal].is-in { opacity: 1; transform: none; transition: opacity .8s var(--out), transform .8s var(--bounce); }

@media (max-width: 900px) {
  .site-header .wrap { flex-wrap: wrap; gap: .6rem 1rem; }
  .site-nav { order: 3; width: 100%; gap: 1.1rem; }
  .hero, .table-sec, .builder, .enroll { grid-template-columns: 1fr; }
  .bubble { max-width: 28rem; }
  .words { grid-template-columns: 1fr 1fr; }
  .receipt { position: static; }
  .pick { grid-template-columns: 1fr 1fr; }
  .site-footer .wrap { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr; }
  .stats div + div { border-left: 0; border-top: 2px solid var(--teal); }
  .words, .answers, .fields { grid-template-columns: 1fr; }
  .week li { grid-template-columns: 5.5rem 1fr auto; }
  .langs button { width: 2.1rem; height: 2.1rem; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }