/*
  LatihSpeaking landing page. Reads tokens.css only (a verbatim copy of
  prototypes/experiment/html-ds/css/tokens.css); the component rules follow
  html-ds components.css, widened from a phone screen to a page.
*/

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--c-ground);
  color: var(--c-ink);
  font: var(--t-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ol, ul, figure, blockquote { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: var(--c-blue); }
img, svg { display: block; }
b, strong { font-weight: 700; }
:focus-visible { outline: 3px solid var(--c-focus); outline-offset: 2px; border-radius: 6px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ic { width: 22px; height: 22px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.ic--sm { width: 18px; height: 18px; }

.skip { position: absolute; left: var(--s-4); top: -100px; padding: var(--s-2) var(--s-4); background: var(--c-blue); color: var(--c-on-dark); border-radius: var(--r-sm); font: var(--t-small-strong); z-index: 2; }
.skip:focus { top: var(--s-2); }

/* ---------- Page frame ---------- */
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }
.band { padding: var(--s-10) 0; }
.band--fill { background: var(--c-fill); }
@media (min-width: 900px) { .band { padding: 80px 0; } }

.section-title { font: var(--t-display); letter-spacing: var(--track-display); text-wrap: balance; }
.section-lead { margin-top: var(--s-3); max-width: 60ch; color: var(--c-ink-muted); }

/* ---------- Header ---------- */
.top { position: sticky; top: 0; z-index: 1; background: var(--c-ground); }
.top .wrap { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); }
.brand { display: inline-flex; align-items: center; gap: var(--s-2); color: var(--c-ink); text-decoration: none; font: var(--t-body-strong); font-size: 17px; letter-spacing: -0.01em; }

/* ---------- Melati ---------- */
.melati { --size: 88px; flex: none; width: var(--size); height: var(--size); border-radius: var(--r-full); background: var(--c-melati-disc); overflow: hidden; }
.melati img { width: 100%; height: 100%; }
.melati--xs { --size: 36px; }
.melati--sm { --size: 40px; }
.melati--xl { --size: 208px; }

/* ---------- Buttons ---------- */
.btn {
  min-height: var(--btn-h);
  padding: 0 var(--s-6);
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  font: var(--t-body-strong);
  text-decoration: none;
  transition: transform var(--dur-press) var(--ease-out), background var(--dur-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--c-blue); color: var(--c-on-dark); }
.btn--primary:hover { background: var(--c-blue-press); }
.btn--sm { min-height: var(--tap); padding: 0 var(--s-4); font: var(--t-small-strong); border-radius: var(--r-sm); }

.inline-note { display: flex; align-items: flex-start; gap: var(--s-2); font: var(--t-small); color: var(--c-ink-muted); }
.inline-note .ic { color: var(--c-blue); margin-top: 1px; }

/* ---------- Hero ---------- */
.hero { padding: var(--s-6) 0 var(--s-10); }
.hero .wrap { display: grid; gap: var(--s-8); align-items: center; }
.hero__copy { display: flex; flex-direction: column; gap: var(--s-5); }
.pill { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 4px 14px; border-radius: var(--r-full); font: var(--t-small-strong); background: var(--c-sun-tint); color: var(--c-ink); }
.pill .dot { width: 8px; height: 8px; border-radius: var(--r-full); background: var(--c-sun); }
.hero h1 { font: 800 clamp(34px, 8.4vw, 54px)/1.08 var(--font); letter-spacing: var(--track-display); text-wrap: balance; }
.hero__lead { font-size: 18px; line-height: 1.55; max-width: 34em; }
.hero__cta { display: flex; flex-direction: column; gap: var(--s-3); align-items: flex-start; }
.hero__cta .btn { width: 100%; }
.hero__art { display: flex; flex-direction: column; align-items: center; gap: var(--s-4); }
.hero__art .melati--xl { --size: min(208px, 40vw); }
.hero__bubble { position: relative; max-width: 300px; padding: var(--s-3) var(--s-4); border-radius: var(--r-lg); background: var(--c-fill); font: var(--t-body); }
.hero__bubble::before { content: ""; position: absolute; top: -8px; left: 50%; width: 16px; height: 16px; background: var(--c-fill); transform: translateX(-50%) rotate(45deg); border-radius: 3px; }
.hero__bubble small { display: flex; align-items: center; gap: 6px; margin-top: var(--s-1); font: var(--t-caption); color: var(--c-ink-muted); }
@media (min-width: 560px) {
  .hero__cta .btn { width: auto; }
}
@media (min-width: 900px) {
  .hero { padding: var(--s-10) 0 80px; }
  .hero .wrap { grid-template-columns: 1.25fr 1fr; gap: 56px; }
}

/* ---------- Demo chat ---------- */
.demo { display: grid; gap: var(--s-8); align-items: start; margin-top: var(--s-8); }
.chat { background: var(--c-ground); border-radius: var(--r-xl); padding: var(--s-5) var(--s-4); display: flex; flex-direction: column; gap: var(--s-3); max-width: 440px; width: 100%; justify-self: center; }
.chat__head { display: flex; align-items: center; gap: var(--s-3); padding-bottom: var(--s-2); }
.chat__head b { display: block; font: var(--t-body-strong); }
.chat__head span { font: var(--t-small); color: var(--c-ink-muted); }
.msg { max-width: 86%; padding: var(--s-3) var(--s-4); border-radius: var(--r-lg); font: var(--t-body); }
.msg--melati { align-self: flex-start; background: var(--c-fill); border-bottom-left-radius: 6px; }
.msg--you { align-self: flex-end; background: var(--c-blue); color: var(--c-on-dark); border-bottom-right-radius: 6px; }
.msg__meta { display: flex; align-items: center; gap: 6px; margin-top: var(--s-2); font: var(--t-caption); color: var(--c-ink-muted); }
.msg--you .msg__meta { color: var(--c-blue-soft); justify-content: flex-end; }
.msg__meta .ic { width: 14px; height: 14px; }
.chat__note { font: var(--t-caption); color: var(--c-ink-muted); text-align: center; padding-top: var(--s-1); }

.feedback { background: var(--c-ground); border-radius: var(--r-xl); padding: var(--s-5); display: flex; flex-direction: column; gap: var(--s-4); max-width: 440px; width: 100%; justify-self: center; }
.feedback h3 { font: var(--t-title); letter-spacing: var(--track-title); }
.fb { display: flex; gap: var(--s-3); align-items: flex-start; }
.fb__mark { width: 32px; height: 32px; flex: none; border-radius: var(--r-full); display: grid; place-items: center; }
.fb__mark .ic { width: 18px; height: 18px; }
.fb--good .fb__mark { background: var(--c-good-tint); color: var(--c-good); }
.fb--fix .fb__mark { background: var(--c-sun-tint); color: var(--c-sun-ink); }
.fb b { display: block; font: var(--t-small-strong); }
.fb p { font: var(--t-small); }
.fb s { color: var(--c-ink-muted); }
.translate { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 var(--s-3); border-radius: var(--r-full); background: var(--c-blue-tint); color: var(--c-blue); font: var(--t-small-strong); }
.translate .ic { width: 16px; height: 16px; }
@media (min-width: 900px) {
  .demo { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  .chat, .feedback { justify-self: stretch; max-width: none; }
}

/* ---------- Modes ---------- */
.modes { display: grid; gap: 2px; margin-top: var(--s-8); border-radius: var(--r-lg); overflow: hidden; }
.mode { display: flex; gap: var(--s-4); align-items: flex-start; padding: var(--s-4) var(--s-5); background: var(--c-fill); }
.mode__icon { width: 44px; height: 44px; flex: none; border-radius: var(--r-full); display: grid; place-items: center; background: var(--c-ground); color: var(--c-blue); }
.mode h3 { font: var(--t-body-strong); }
.mode p { font: var(--t-small); color: var(--c-ink-muted); margin-top: 2px; }
.tag { display: inline-block; margin-left: 6px; padding: 1px 8px; border-radius: var(--r-full); background: var(--c-fill-strong); font: var(--t-caption); color: var(--c-ink-muted); vertical-align: 2px; }
@media (min-width: 720px) {
  .modes { grid-template-columns: 1fr 1fr; }
  .mode--wide { grid-column: 1 / -1; }
}

/* ---------- Steps ---------- */
.steps { display: grid; gap: var(--s-4); margin-top: var(--s-8); counter-reset: step; }
.step { display: flex; gap: var(--s-4); align-items: flex-start; }
.step__n { width: 40px; height: 40px; flex: none; border-radius: var(--r-full); display: grid; place-items: center; background: var(--c-blue); color: var(--c-on-dark); font: var(--t-body-strong); }
.step h3 { font: var(--t-title); letter-spacing: var(--track-title); font-size: 18px; }
.step p { margin-top: var(--s-1); color: var(--c-ink-muted); }
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: var(--s-6); }
  .step { flex-direction: column; }
}

/* ---------- Why free ---------- */
.free { display: grid; gap: var(--s-6); }
.free__text { display: flex; flex-direction: column; gap: var(--s-4); max-width: 62ch; }
.promises { display: flex; flex-direction: column; gap: 2px; border-radius: var(--r-lg); overflow: hidden; align-self: start; }
.promise { display: flex; gap: var(--s-3); align-items: center; padding: var(--s-4) var(--s-5); background: var(--c-fill); font: var(--t-body-strong); }
.promise .ic { color: var(--c-good); }
@media (min-width: 900px) { .free { grid-template-columns: 1.3fr 1fr; gap: 56px; } }

/* ---------- FAQ ---------- */
.faq { margin-top: var(--s-6); display: flex; flex-direction: column; gap: 2px; border-radius: var(--r-lg); overflow: hidden; max-width: 760px; }
.faq details { background: var(--c-fill); }
.faq summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); min-height: 60px; padding: var(--s-3) var(--s-5); font: var(--t-body-strong); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: var(--c-fill-strong); }
.faq summary .ic { color: var(--c-ink-muted); transition: transform var(--dur-fast) var(--ease-out); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { padding: 0 var(--s-5) var(--s-4); max-width: 64ch; }

/* ---------- Closing ---------- */
.closing { text-align: center; }
.closing .wrap { display: flex; flex-direction: column; align-items: center; gap: var(--s-4); }
.closing p { color: var(--c-ink-muted); }

.foot { padding: var(--s-8) 0 var(--s-10); background: var(--c-fill); font: var(--t-small); color: var(--c-ink-muted); }
.foot .wrap { display: flex; flex-direction: column; gap: var(--s-3); }
.foot nav { display: flex; flex-wrap: wrap; gap: var(--s-1) var(--s-5); }
.foot a { color: var(--c-ink); font: var(--t-small-strong); display: inline-block; padding: var(--s-3) 0; text-decoration: none; }
.foot a:hover { text-decoration: underline; }
@media (min-width: 720px) { .foot .wrap { flex-direction: row; justify-content: space-between; align-items: center; } }

/* ---------- Interactive sections: the typed sentence and Melati's voice (landing.js) ---------- */
/* ---------- Kalimatmu, versi Melati ---------- */
.try { margin-top: var(--s-8); display: flex; flex-direction: column; gap: var(--s-4); max-width: 760px; }
.try__label { font: var(--t-small-strong); color: var(--c-ink-muted); }
.try__input {
  width: 100%;
  min-height: 72px;
  padding: var(--s-3) var(--s-5);
  border: 2px solid transparent;
  border-radius: var(--r-lg);
  background: var(--c-ground);
  color: var(--c-ink);
  font: 700 clamp(22px, 4.4vw, 34px)/1.2 var(--font);
  letter-spacing: var(--track-title);
  caret-color: var(--c-blue);
  outline: none;
  text-overflow: ellipsis;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.try__input:focus { border-color: var(--c-blue); }
.try__answer { display: flex; align-items: flex-end; gap: var(--s-3); margin-top: var(--s-2); }
.try__bubble { flex: 1; padding: var(--s-4) var(--s-5); border-radius: var(--r-lg) var(--r-lg) var(--r-lg) 6px; background: var(--c-ground); }
.try__who { font: var(--t-small); color: var(--c-ink-muted); }
.try__fix { margin: var(--s-1) 0 var(--s-2); font: var(--t-title); font-size: clamp(20px, 2.6vw, 24px); letter-spacing: var(--track-title); }
.try__more { display: flex; flex-direction: column; gap: var(--s-3); margin-top: var(--s-2); }
.try__chips { display: flex; flex-wrap: wrap; gap: var(--s-2); }
.chip {
  min-height: var(--tap);
  padding: 0 var(--s-4);
  border: 0;
  border-radius: var(--r-full);
  background: var(--c-blue-tint);
  color: var(--c-blue);
  font: var(--t-small-strong);
  font-size: 15px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out), transform var(--dur-press) var(--ease-out);
}
.chip:hover { background: var(--c-blue-soft); }
.chip:active { transform: scale(0.96); }
.chip[aria-pressed="true"] { background: var(--c-blue); color: var(--c-on-dark); }
.try__small { font: var(--t-small); color: var(--c-ink-muted); }
[hidden] { display: none !important; }

/* ---------- Kenalan dengan Melati ---------- */
.meet { display: flex; flex-direction: column; gap: var(--s-6); }
.meet__lead { font: 400 clamp(20px, 2.4vw, 28px)/1.4 var(--font); letter-spacing: -0.01em; max-width: 36em; }
.meet__photo { float: left; width: 4.2em; height: 4.2em; object-fit: cover; border-radius: var(--r-md); margin: 0.25em 0.6em 0.2em 0; }
.voice { display: flex; flex-direction: column; gap: var(--s-4); max-width: 760px; padding: var(--s-6); border-radius: var(--r-xl); background: var(--c-melati-disc); }
.voice__play {
  align-self: flex-start;
  display: inline-flex; align-items: center; gap: var(--s-2);
  min-height: var(--btn-h); padding: 0 var(--s-6) 0 var(--s-5);
  border: 0; border-radius: var(--r-full);
  background: var(--c-ink); color: var(--c-on-dark);
  font: var(--t-body-strong); cursor: pointer;
  transition: transform var(--dur-press) var(--ease-out), background var(--dur-fast) var(--ease-out);
}
.voice__play:hover { background: var(--c-blue-press); }
.voice__play:active { transform: scale(0.97); }
.voice__text { font: 700 clamp(20px, 2.6vw, 28px)/1.35 var(--font); letter-spacing: var(--track-title); }
.voice__text span { border-radius: 6px; transition: background-color var(--dur-fast) ease; }
.voice__text span.is-said { background: var(--c-sun); }
.voice__note { font: var(--t-small); color: var(--c-ink-muted); }

.foot__about { display: flex; flex-direction: column; gap: var(--s-1); }
.foot__credit { font: var(--t-caption); }
.foot__credit a { display: inline; padding: 0; font: inherit; text-decoration: underline; }

/* ---------- Hero: Melati's bubble plays her voice, and she talks ---------- */
.hero__bubble { max-width: 340px; border: 0; text-align: left; font: var(--t-body); color: var(--c-ink); transition: background var(--dur-fast) var(--ease-out), transform var(--dur-press) var(--ease-out); }
.hero__bubble::before { transition: background var(--dur-fast) var(--ease-out); }
.hero__bubble:disabled { cursor: default; }
.hero__bubble:not(:disabled) { cursor: pointer; }
.hero__bubble:not(:disabled):hover, .hero__bubble:not(:disabled):hover::before { background: var(--c-fill-strong); }
.hero__bubble:not(:disabled):active { transform: scale(0.98); }
.hero__bubble[aria-pressed="true"], .hero__bubble[aria-pressed="true"]::before,
.hero__bubble[aria-pressed="true"]:hover, .hero__bubble[aria-pressed="true"]:hover::before { background: var(--c-blue-tint); }
.hero__bubble small { color: var(--c-ink-muted); }
.hero__bubble:not(:disabled) small { color: var(--c-blue); font-weight: 700; }
.hero__say span, .hero__bubble small { border-radius: 4px; }
.hero__say span { transition: background-color var(--dur-fast) ease; }
.hero__say span.is-said { background: var(--c-sun); }

.hero__face { position: relative; }
.hero__face.is-ready { cursor: pointer; }
.hero__face .mouth { position: absolute; inset: 0; opacity: 0; }
.hero__face[data-mouth="m"] .mouth--m,
.hero__face[data-mouth="e"] .mouth--e,
.hero__face[data-mouth="a"] .mouth--a,
.hero__face[data-mouth="o"] .mouth--o { opacity: 1; }