/* ---------- Tokens (from Figma: Auralink / Bebas Neue / Black & white) ---------- */
:root {
  --black: #000;
  --white: #fff;
  --text-muted: #555;
  --text-muted-on-dark: #d0d0d0;
  --surface: #f3f3f3;
  --surface-stage: #efefef;
  --surface-cta: #ececec;

  /* Black gradients: soft charcoal light falling into pure black */
  --grad-button: linear-gradient(180deg, #2e2e2e 0%, #0a0a0a 55%, #000 100%);
  --grad-button-hover: linear-gradient(180deg, #474747 0%, #1a1a1a 60%, #0d0d0d 100%);
  --grad-strip: linear-gradient(90deg, #000 0%, #232323 50%, #000 100%);
  --grad-section:
    radial-gradient(ellipse 70% 55% at 12% 0%, rgba(255, 255, 255, .13) 0%, transparent 70%),
    radial-gradient(ellipse 55% 45% at 100% 100%, rgba(255, 255, 255, .07) 0%, transparent 70%),
    #000;
  --grad-footer:
    radial-gradient(ellipse 90% 70% at 50% 110%, rgba(255, 255, 255, .16) 0%, transparent 65%),
    linear-gradient(180deg, #000 0%, #0b0b0b 100%);
  --grad-orb: radial-gradient(circle at 32% 28%, #3d3d3d 0%, #0d0d0d 60%, #000 100%);
  --grad-card: linear-gradient(135deg, #262626 0%, #050505 70%);

  --font-display: "Bebas Neue", Impact, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  --gutter: clamp(16px, 5.56vw, 80px); /* 80px at 1440 */
  --content: 1280px;
  --radius-lg: 20px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-optical-sizing: auto;
  font-variation-settings: "opsz" 14;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }

/* ---------- Type ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
}
.display-hero { font-size: clamp(64px, 10.56vw, 152px); line-height: 0.947; }
.display-xl   { font-size: clamp(56px, 7.5vw, 108px); line-height: 1; }
.display-demo { font-size: clamp(60px, 8.33vw, 120px); line-height: 0.967; }
.display-cta  { font-size: clamp(56px, 7.78vw, 112px); line-height: 0.964; }

.lead {
  font-size: clamp(18px, 1.53vw, 22px);
  line-height: 32px;
  color: var(--text-muted);
}
.lead-dark { color: var(--black); }

/* ---------- Buttons / links ---------- */
/* Primary button: dark body + accent pill with dotted chevrons on the left.
   On hover the pill slides across the full button (see interactions.css). */
.btn {
  --pill-w: 52px;
  --pill-inset: 6px;
  --accent-from: #8beeff;
  --accent-to: #38d9ff;
  --dot: #0f0f0f;

  position: relative;
  display: inline-flex;
  align-items: center;
  height: 64px;
  padding: 0 28px 0 calc(var(--pill-inset) + var(--pill-w) + 20px);
  overflow: hidden;
  border-radius: 12px;
  background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 4px 12px rgba(0, 0, 0, .18);
  color: var(--white);
  font-weight: 700;
  font-size: 18px;
  line-height: 24px;
  letter-spacing: -.01em;
  white-space: nowrap;
}
.btn-pill {
  position: absolute;
  top: var(--pill-inset);
  bottom: var(--pill-inset);
  left: var(--pill-inset);
  z-index: 1;
  width: var(--pill-w);
  display: flex;
  align-items: center;
  gap: 24px; /* wide at rest so only the first chevron shows; tightens on hover */
  padding-left: calc((var(--pill-w) - 14px) / 2); /* centres the first chevron */
  overflow: hidden;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--accent-from) 0%, var(--accent-to) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .4),
    inset 0 -2px 4px rgba(0, 0, 0, .12),
    0 2px 4px rgba(0, 0, 0, .08);
}
.btn-pill svg { flex-shrink: 0; overflow: visible; }
.link-arrow img { transition: transform .2s ease; flex-shrink: 0; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  line-height: 24px;
  white-space: nowrap;
}
.link-arrow:hover img { transform: translateX(4px); }

/* ---------- Layout helpers ---------- */
.section { padding-inline: var(--gutter); }
.section > * { max-width: var(--content); margin-inline: auto; }

.intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}
.intro-features .display { flex: 0 1 740px; }
.intro-features .lead    { flex: 0 1 440px; }
.intro-demo .display     { flex: 0 1 720px; }
.intro-demo .lead        { flex: 0 1 380px; }
.intro-community .display{ flex: 0 1 820px; }
.intro-community .lead   { flex: 0 1 340px; }

/* ---------- Navigation ---------- */
.nav {
  height: 112px;
  padding: 24px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: var(--white);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 40px;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  gap: 40px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
}
.nav-links a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- Hero ---------- */
.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 32px var(--gutter) 80px;
  max-width: calc(var(--content) + 2 * var(--gutter));
  margin-inline: auto;
}
.hero-content {
  flex: 0 1 680px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero-content .lead { max-width: 560px; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.hero-media { flex: 0 1 552px; }
.hero-shape svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible; /* sound-wave rings may extend slightly past the box */
}
main { overflow-x: clip; } /* ...but never cause sideways scrolling */

/* ---------- Benefits strip ---------- */
.benefits {
  min-height: 120px;
  padding: 24px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 40px;
  flex-wrap: wrap;
  background: var(--grad-strip);
  color: var(--white);
}
.benefit {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 40px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Features ---------- */
.features {
  padding-block: 112px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.features > * { width: 100%; }
.product-features {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
}
.product-stage {
  flex: 0 1 536px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 0 40px;
  border-radius: var(--radius-lg);
  background: var(--surface-stage);
  overflow: hidden;
}
.product-stage img {
  width: 100%;
  aspect-ratio: 536 / 500;
  object-fit: contain;
}
.product-stage figcaption {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 44px;
  text-transform: uppercase;
}
.feature-grid {
  flex: 0 1 648px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 300px));
  column-gap: 48px;
  row-gap: 56px;
}
.feature { display: flex; flex-direction: column; gap: 16px; }
.feature h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 34px;
  line-height: 42px;
  text-transform: uppercase;
}
.feature p { font-size: 20px; line-height: 29px; color: var(--text-muted); }

/* ---------- Demo ---------- */
.demo {
  padding-block: 100px 80px;
  background: var(--grad-section);
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.demo > * { width: 100%; }
.demo .lead { color: var(--text-muted-on-dark); }
.demo-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.demo-media > img {
  width: 100%;
  aspect-ratio: 1280 / 520;
  object-fit: cover;
}
.play {
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% -50%;
  width: 112px;
  height: 112px;
  border: 0;
  border-radius: 50%;
  background: var(--grad-orb);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .45);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .2s ease;
}
.play:hover { transform: scale(1.06); }
.demo-cta {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 20px 20px 20px 20px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 16px;
  background: rgba(255, 255, 255, .04);
  color: var(--white);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.demo-cta-play,
.demo-cta-arrow {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
}
.demo-cta-play { width: 64px; height: 64px; background: var(--grad-orb); border: 1px solid rgba(255, 255, 255, .25); }
.demo-cta-play img { margin-left: 2px; } /* optical centring of the triangle */
.demo-cta-arrow { width: 56px; height: 56px; margin-left: auto; border: 1px solid rgba(255, 255, 255, .35); }
.demo-cta-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.demo-cta-text strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 32px;
  line-height: 36px;
  text-transform: uppercase;
}
.demo-cta-text span { font-size: 16px; line-height: 24px; color: var(--text-muted-on-dark); }

@media (max-width: 720px) {
  .demo-cta { gap: 16px; padding: 14px; }
  .demo-cta-play { width: 52px; height: 52px; }
  .demo-cta-arrow { display: none; }
  .demo-cta-text strong { font-size: 26px; line-height: 30px; }
  .demo-cta-text span { font-size: 14px; line-height: 20px; }
}

/* ---------- Testimonials ---------- */
.testimonials {
  padding-block: 104px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}
.testimonials > * { width: 100%; }
.testimonial-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
}
.testimonial {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: 16px;
  background: var(--surface);
}
.testimonial blockquote {
  min-height: 204px;
  font-weight: 500;
  font-size: 24px;
  line-height: 34px;
}
.testimonial figcaption {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: 18px;
  line-height: 26px;
}
.testimonial figcaption img { width: 52px; height: 52px; border-radius: 50%; }

/* ---------- FAQ ---------- */
.faq {
  padding-block: 64px 96px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 80px;
  max-width: calc(var(--content) + 2 * var(--gutter));
  margin-inline: auto;
}
.faq > * { margin-inline: 0; }
.faq-intro { flex: 0 1 480px; display: flex; flex-direction: column; gap: 24px; }
.faq-intro .lead { max-width: 350px; }
.faq-list { flex: 0 1 720px; display: flex; flex-direction: column; gap: 16px; }
.faq-row {
  border-radius: 12px;
  background: var(--surface);
}
.faq-row summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 30px 28px;
  font-weight: 500;
  font-size: 20px;
  line-height: 28px;
  cursor: pointer;
  list-style: none;
}
.faq-row summary::-webkit-details-marker { display: none; }
.faq-row summary img { flex-shrink: 0; transition: transform .25s ease; }
.faq-row.is-open summary img { transform: rotate(45deg); }
html:not(.js) .faq-row[open] summary img { transform: rotate(45deg); }
.faq-row p {
  padding: 0 28px 30px;
  margin-top: -14px;
  font-size: 18px;
  line-height: 28px;
  color: var(--text-muted);
}

/* ---------- Call to action ---------- */
.cta {
  padding-block: 72px;
  background: var(--surface-cta);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
}
.cta > * { margin-inline: 0; }
.cta-content {
  flex: 0 1 680px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
}
.cta-content .lead { max-width: 580px; }
.cta-media { flex: 0 1 520px; }
.cta-media img {
  width: 100%;
  aspect-ratio: 520 / 500;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- Footer ---------- */
.footer {
  padding: 64px var(--gutter);
  background: var(--grad-footer);
  color: var(--white);
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.footer > * { width: 100%; max-width: var(--content); margin-inline: auto; }
.footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px 32px;
  flex-wrap: wrap;
  font-weight: 500;
}
.footer-email { font-size: 22px; line-height: 32px; }
.footer-links { display: flex; gap: 32px; font-size: 16px; line-height: 24px; }
.footer a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-wordmark {
  font-family: var(--font-display);
  font-size: clamp(110px, 22.2vw, 320px);
  line-height: 1.05;
  text-transform: uppercase;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  line-height: 22px;
  color: var(--text-muted-on-dark);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero, .product-features, .faq, .cta { flex-direction: column; align-items: stretch; }
  .hero-content, .hero-media, .product-stage, .feature-grid,
  .faq-intro, .faq-list, .cta-content, .cta-media { flex-basis: auto; }
  .hero-media { max-width: 552px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intro { flex-direction: column; align-items: flex-start; }
  .intro .display, .intro .lead { flex-basis: auto; }
  .testimonial-list { grid-template-columns: 1fr; }
  .testimonial blockquote { min-height: 0; }
}

@media (max-width: 720px) {
  .nav { height: 80px; }
  .nav-links, .nav-cta { display: none; }
  .logo { font-size: 30px; }
  .benefits { flex-direction: column; align-items: flex-start; padding-block: 32px; }
  .benefit { font-size: 28px; }
  .features, .testimonials { padding-block: 72px; gap: 40px; }
  .demo { padding-block: 72px 56px; gap: 32px; }
  .demo-media > img { aspect-ratio: 4 / 3; }
  .play { width: 80px; height: 80px; }
  .feature-grid { grid-template-columns: 1fr; row-gap: 40px; }
  .faq { padding-block: 56px 72px; gap: 40px; }
  .faq-row summary { padding: 22px 20px; font-size: 18px; }
  .faq-row p { padding: 0 20px 22px; margin-top: -8px; }
  .cta { padding-block: 56px; gap: 40px; }
  .footer-nav { flex-direction: column; align-items: flex-start; }
}