:root {
  --ink: #171435;
  --ink-soft: #4e4a68;
  --paper: #fbf9f5;
  --white: #fff;
  --lavender: #b9b5ff;
  --lavender-soft: #eceaff;
  --violet: #4936d7;
  --lime: #dff27c;
  --coral: #ff8b74;
  --line: rgba(23, 20, 53, .14);
  --shadow: 0 24px 70px rgba(23, 20, 53, .14);
  --radius: 28px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(185, 181, 255, .2), transparent 22rem),
    radial-gradient(circle at 94% 18%, rgba(223, 242, 124, .13), transparent 25rem),
    var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  color: white;
  background: var(--ink);
  border-radius: 10px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: calc(var(--max) + 64px);
  margin: 14px auto 0;
  padding: 12px 16px 12px 18px;
  background: rgba(255, 255, 255, .78);
  border: 1px solid rgba(23, 20, 53, .1);
  border-radius: 20px;
  box-shadow: 0 10px 35px rgba(23, 20, 53, .07);
  backdrop-filter: blur(16px);
}
.brand, .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .96rem;
  font-weight: 760;
  text-decoration: none;
}
.brand img, .footer-brand img { border-radius: 12px; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { font-size: .9rem; font-weight: 680; text-decoration: none; }
nav a:not(.nav-cta):hover { color: var(--violet); }
.nav-cta {
  padding: 9px 18px;
  color: #fff;
  background: var(--ink);
  border-radius: 999px;
}
.nav-cta:hover { background: var(--violet); }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 112px 32px;
}
.hero {
  min-height: 790px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 72px;
  padding-top: 72px;
  overflow: hidden;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--violet);
  font-size: .76rem;
  font-weight: 830;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; line-height: 1.06; letter-spacing: -.04em; }
h1 { max-width: 720px; margin-bottom: 28px; font-size: clamp(3.5rem, 6.2vw, 6.4rem); }
h1 span { color: var(--violet); }
h2 { margin-bottom: 20px; font-size: clamp(2.35rem, 4.4vw, 4.4rem); }
h3 { font-size: 1.65rem; }
.lead { max-width: 650px; margin: 0 0 32px; color: var(--ink-soft); font-size: 1.22rem; }
.hero-actions { display: flex; align-items: center; gap: 26px; }
.store-badge { display: inline-block; border-radius: 12px; transition: transform .2s ease; }
.store-badge:hover { transform: translateY(-2px); }
.store-badge img { width: 194px; height: auto; }
.text-link { font-size: .94rem; font-weight: 750; text-underline-offset: 5px; }
.proof-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.proof-list li {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .79rem;
  font-weight: 650;
}
.hero-visual { position: relative; display: grid; place-items: center; min-height: 620px; }
.hero-visual::before {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  background: linear-gradient(145deg, #dedbff, #f3f1ff 58%, #e9f5ae);
  border-radius: 42% 58% 62% 38% / 46% 44% 56% 54%;
  animation: float 7s ease-in-out infinite;
}
.hero-visual::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(73, 54, 215, .13);
  border-radius: 50%;
}
.phone {
  position: relative;
  width: min(322px, 75vw);
  padding: 9px;
  background: #0d0c14;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 38px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.phone img {
  width: 100%;
  height: auto;
  aspect-ratio: 1564 / 2780;
  object-fit: contain;
}
.hero-phone { width: min(342px, 78vw); z-index: 2; }
.phone::after {
  content: "";
  position: absolute;
  top: 15px;
  left: 50%;
  width: 72px;
  height: 20px;
  background: #0d0c14;
  border-radius: 999px;
  transform: translateX(-50%);
}
.phone img { border-radius: 30px; }
.floating-callout {
  position: absolute;
  z-index: 4;
  display: flex;
  flex-direction: column;
  min-width: 140px;
  padding: 14px 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(23, 20, 53, .1);
  border-radius: 18px;
  box-shadow: 0 14px 32px rgba(23, 20, 53, .14);
  backdrop-filter: blur(12px);
}
.floating-callout strong { font-size: 1.22rem; line-height: 1.1; letter-spacing: -.03em; }
.floating-callout span { margin-top: 3px; color: var(--ink-soft); font-size: .7rem; font-weight: 720; text-transform: uppercase; letter-spacing: .07em; }
.callout-top { top: 18%; right: -1%; transform: rotate(3deg); }
.callout-bottom { bottom: 17%; left: -4%; transform: rotate(-3deg); }
.sound-wave { position: absolute; z-index: 2; display: flex; align-items: center; gap: 6px; }
.wave-left { left: -8px; top: 47%; }
.wave-right { right: 0; top: 35%; }
.sound-wave i { width: 6px; background: var(--violet); border-radius: 9px; animation: pulse 1.1s ease-in-out infinite; }
.sound-wave i:nth-child(1) { height: 18px; }
.sound-wave i:nth-child(2) { height: 42px; animation-delay: .13s; }
.sound-wave i:nth-child(3) { height: 66px; animation-delay: .26s; }
.sound-wave i:nth-child(4) { height: 30px; animation-delay: .39s; }

.promise-strip {
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 25px 32px;
  color: white;
  background: var(--ink);
  font-size: clamp(1.05rem, 2.1vw, 1.55rem);
  font-weight: 760;
}
.promise-strip p { margin: 0; }
.promise-strip span { color: var(--lavender); }

.section-heading { max-width: 790px; margin: 0 auto 52px; text-align: center; }
.section-heading > p:last-child { margin: 0; color: var(--ink-soft); font-size: 1.08rem; }
.section-heading.narrow { max-width: 700px; }
.steps-section { max-width: 1240px; }
.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  counter-reset: steps;
  list-style: none;
}
.steps-list li {
  min-height: 295px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background: rgba(255,255,255,.78);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(23,20,53,.05);
}
.steps-list li:nth-child(2) { transform: translateY(20px); background: var(--lavender-soft); }
.steps-list li:nth-child(3) { background: var(--ink); color: white; }
.steps-list span { color: var(--violet); font-size: .76rem; font-weight: 850; letter-spacing: .13em; }
.steps-list li:nth-child(3) span { color: var(--lavender); }
.steps-list h3 { margin: auto 0 12px; }
.steps-list p { margin: 0; color: var(--ink-soft); line-height: 1.5; }
.steps-list li:nth-child(3) p { color: rgba(255,255,255,.7); }

.use-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.use-card {
  min-height: 315px;
  display: flex;
  flex-direction: column;
  padding: 36px;
  border: 1px solid rgba(23,20,53,.08);
  border-radius: var(--radius);
  text-decoration: none;
}
.use-card h3 { margin: auto 0 10px; }
.use-card p { max-width: 480px; margin: 0 0 16px; line-height: 1.48; }
.use-icon { font-size: 2.25rem; font-weight: 760; }
.use-sport { background: linear-gradient(145deg, #e9f99a, var(--lime)); }
.use-cuisine { color: white; background: linear-gradient(145deg, #5b47e6, #3927ba); }
.use-talk { background: linear-gradient(145deg, #cfccff, var(--lavender)); }
.use-train { color: white; background: linear-gradient(145deg, #242043, #121026); }
.use-train .use-icon { filter: saturate(.8); }

.feature-section {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 100px;
  align-items: center;
  margin-top: 40px;
  padding: 90px 70px;
  background: rgba(255,255,255,.66);
  border: 1px solid var(--line);
  border-radius: 40px;
}
.feature-intro > p:not(.eyebrow) { max-width: 650px; color: var(--ink-soft); font-size: 1.08rem; }
.check-list { display: grid; gap: 13px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 34px; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  color: white;
  background: var(--violet);
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 900;
}
.feature-phone { justify-self: center; transform: rotate(2deg); }

.screenshots-section { max-width: 1280px; }
.screenshots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.screenshots figure { margin: 0; padding: 22px; background: var(--lavender-soft); border-radius: var(--radius); }
.screenshots figure:nth-child(2) { background: #e9f4c8; }
.screenshots figure:nth-child(3) { background: #ffdcd4; }
.screenshots img {
  width: 100%;
  height: auto;
  aspect-ratio: 1564 / 2780;
  object-fit: contain;
  border-radius: 20px;
  box-shadow: 0 14px 35px rgba(23,20,53,.16);
}
.screenshots figcaption { padding: 18px 0 2px; font-size: .92rem; font-weight: 800; text-align: center; }

.faq-list { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 24px 44px 24px 0; font-weight: 760; cursor: pointer; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; font-size: 1.5rem; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 720px; margin: -6px 0 24px; color: var(--ink-soft); }

.final-cta {
  max-width: var(--max);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  margin: 80px auto 24px;
  padding: 42px;
  color: white;
  background: var(--ink);
  border-radius: var(--radius);
}
.final-cta > img { border-radius: 24px; }
.final-cta .eyebrow { margin-bottom: 9px; color: var(--lavender); }
.final-cta h2 { max-width: 650px; margin: 0; font-size: clamp(1.8rem, 3vw, 3.2rem); }

footer {
  max-width: var(--max);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px 30px;
  margin: 0 auto;
  padding: 64px 32px 36px;
  color: var(--ink-soft);
  font-size: .82rem;
}
.footer-links { display: flex; gap: 22px; }
.footer-links a { text-underline-offset: 4px; }
footer > p { grid-column: 1 / -1; margin: 0; }

/* 404 page */
.guide-main { max-width: 820px; margin: 0 auto; padding: 90px 32px 110px; }
.guide-back { display: inline-block; margin-bottom: 46px; color: var(--violet); font-size: .88rem; font-weight: 760; text-decoration: none; }
.guide-main h1 { margin-bottom: 26px; font-size: clamp(3rem, 7vw, 5.5rem); }
.guide-main .guide-intro { margin-bottom: 54px; color: var(--ink-soft); font-size: 1.25rem; }

@keyframes pulse { 0%, 100% { transform: scaleY(.64); opacity: .65; } 50% { transform: scaleY(1); opacity: 1; } }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-12px) rotate(3deg); } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 900px) {
  .site-header { top: 8px; margin: 8px 12px 0; padding: 10px 12px; }
  nav a:not(.nav-cta) { display: none; }
  .section { padding: 82px 22px; }
  .hero { grid-template-columns: 1fr; gap: 30px; padding-top: 60px; text-align: center; }
  .hero-copy { z-index: 3; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions, .proof-list { justify-content: center; }
  .hero-visual { min-height: 610px; }
  .wave-left { left: 12%; }
  .wave-right { right: 12%; }
  .feature-section { grid-template-columns: 1fr; gap: 48px; margin-left: 20px; margin-right: 20px; padding: 70px 36px; }
  .feature-phone { grid-row: 1; }
  .final-cta { grid-template-columns: auto 1fr; margin: 60px 22px 20px; }
  .final-cta .store-badge { grid-column: 1 / -1; justify-self: center; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .brand span { display: none; }
  h1 { font-size: clamp(3.1rem, 15vw, 4.7rem); }
  .hero-actions { flex-direction: column; gap: 12px; }
  .hero-visual::before { width: 430px; height: 430px; }
  .hero-visual::after { width: 490px; height: 490px; }
  .floating-callout { min-width: 126px; padding: 11px 14px; }
  .callout-top { right: -5px; }
  .callout-bottom { left: -5px; }
  .promise-strip { flex-direction: column; gap: 3px; text-align: center; }
  .promise-strip span { display: none; }
  .steps-list, .use-grid, .screenshots { grid-template-columns: 1fr; }
  .steps-list li:nth-child(2) { transform: none; }
  .use-card { min-height: 280px; }
  .screenshots { grid-auto-flow: column; grid-auto-columns: 78%; overflow-x: auto; scroll-snap-type: x mandatory; }
  .screenshots figure { scroll-snap-align: center; }
  .feature-section { gap: 36px; }
  .final-cta { grid-template-columns: 1fr; padding: 32px 24px; text-align: center; }
  .final-cta > img { justify-self: center; }
  footer { grid-template-columns: 1fr; }
  .footer-links { flex-wrap: wrap; }
  .guide-main { padding: 64px 22px 90px; }
}
