/* ── Wordmark logo badge — white pill behind it since the logo glyph itself
   is solid black and needs contrast against this app's dark theme ── */
.brand-logo-badge {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: 8px;
  padding: 3px 8px;
  line-height: 0;
}

.brand-logo-img {
  height: 22px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: block;
}

/* Larger on the public landing page nav */
.nav-logo .brand-logo-img {
  height: 30px;
  max-width: 220px;
}

/* ── Landing Page Theme Variables ── */
:root, [data-theme="dark"] {
  color-scheme: dark;
  --lp-bg: #0d0d0d;
  --lp-bg-2: #141414;
  --lp-bg-3: #1a1a1a;
  --lp-bg-card: #161616;
  --lp-border: rgba(255,255,255,0.07);
  --lp-border-hover: rgba(255,255,255,0.14);
  --lp-accent: #7c6cfa;
  --lp-accent-dim: rgba(124,108,250,0.12);
  --lp-accent-soft: rgba(124,108,250,0.06);
  --lp-accent-glow: rgba(124,108,250,0.25);
  --lp-cta: #10B981;
  --lp-cta-hover: #0ea572;
  --lp-text: #f0ede8;
  --lp-text-2: rgba(240,237,232,0.55);
  --lp-text-3: rgba(240,237,232,0.32);
  --lp-rating: rgba(124, 108, 250, 0.40);
  --lp-heading: 'Space Grotesk', system-ui, sans-serif;
  --lp-sans: 'DM Sans', system-ui, sans-serif;
  --lp-radius: 14px;
  --lp-radius-sm: 8px;
  --lp-glass: rgba(13,13,13,0.82);
  --lp-glass-card: rgba(22,22,22,0.85);
  --lp-shadow: 0 8px 30px rgba(0,0,0,0.3);
  --lp-nav-bg: rgba(13,13,13,0.82);
}
[data-theme="light"] {
  color-scheme: light;
  color-scheme: light;
  --lp-bg: #f8f6f3;
  --lp-bg-2: #f0ede8;
  --lp-bg-3: #e7e4df;
  --lp-bg-card: #ffffff;
  --lp-border: rgba(0,0,0,0.08);
  --lp-border-hover: rgba(0,0,0,0.16);
  --lp-accent: #5b4cdb;
  --lp-accent-dim: rgba(91,76,219,0.10);
  --lp-accent-soft: rgba(91,76,219,0.06);
  --lp-accent-glow: rgba(91,76,219,0.18);
  --lp-cta: #059669;
  --lp-cta-hover: #047857;
  --lp-text: #1c1917;
  --lp-text-2: rgba(28,25,23,0.60);
  --lp-text-3: rgba(28,25,23,0.35);
  --lp-rating: rgba(91, 76, 219, 0.45);
  --lp-heading: 'Space Grotesk', system-ui, sans-serif;
  --lp-sans: 'DM Sans', system-ui, sans-serif;
  --lp-radius: 14px;
  --lp-radius-sm: 8px;
  --lp-glass: rgba(255,255,255,0.82);
  --lp-glass-card: rgba(255,255,255,0.88);
  --lp-shadow: 0 8px 30px rgba(0,0,0,0.06);
  --lp-nav-bg: rgba(248,246,243,0.85);
}

/* System preference fallback (if JS hasn't set data-theme) */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    color-scheme: light;
    --lp-bg: #f8f6f3;
    --lp-bg-2: #f0ede8;
    --lp-bg-3: #e7e4df;
    --lp-bg-card: #ffffff;
    --lp-border: rgba(0,0,0,0.08);
    --lp-border-hover: rgba(0,0,0,0.16);
    --lp-accent: #5b4cdb;
    --lp-accent-dim: rgba(91,76,219,0.10);
    --lp-accent-glow: rgba(91,76,219,0.18);
    --lp-text: #1c1917;
    --lp-text-2: rgba(28,25,23,0.60);
    --lp-text-3: rgba(28,25,23,0.35);
    --lp-glass: rgba(255,255,255,0.82);
    --lp-glass-card: rgba(255,255,255,0.88);
    --lp-shadow: 0 8px 30px rgba(0,0,0,0.06);
    --lp-nav-bg: rgba(248,246,243,0.85);
  }
}
  @media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --lp-bg: #0d0d0d;
    --lp-bg-2: #141414;
    --lp-bg-3: #1a1a1a;
    --lp-bg-card: #161616;
    --lp-border: rgba(255,255,255,0.07);
    --lp-border-hover: rgba(255,255,255,0.14);
    --lp-accent: #7c6cfa;
    --lp-accent-dim: rgba(124,108,250,0.12);
    --lp-accent-glow: rgba(124,108,250,0.25);
    --lp-text: #f0ede8;
    --lp-text-2: rgba(240,237,232,0.55);
    --lp-text-3: rgba(240,237,232,0.32);
    --lp-glass: rgba(13,13,13,0.82);
    --lp-glass-card: rgba(22,22,22,0.85);
    --lp-shadow: 0 8px 30px rgba(0,0,0,0.3);
    --lp-nav-bg: rgba(13,13,13,0.82);
  }
}

/* ── Kill tap highlight ── */
* { -webkit-tap-highlight-color: transparent; }
a, button, summary, [role="button"] { touch-action: manipulation; }

/* ── Base ── */
body.landing-page {
  background: var(--lp-bg);
  color: var(--lp-text);
  font-family: var(--lp-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s ease, color 0.3s ease;
}
body.landing-page::before { content: none; }
body.landing-page a { text-decoration: none; }
body.landing-page img { display: block; width: auto; height: 30px; }
body.landing-page,
html { background-color: var(--lp-bg) !important; color: var(--lp-text) !important; scrollbar-width: thin;}
body.landing-page section { position: relative; }

/* ── Nav (full-width top bar) ── */
.lp-pill-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 8rem;
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
}
.lp-pill-nav.lp-nav-scrolled {
  background: color-mix(in srgb, var(--lp-bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: rgba(255,255,255,0.08);
}
[data-theme="light"] .lp-pill-nav.lp-nav-scrolled {
  border-bottom-color: rgba(0,0,0,0.08);
}
.lp-pill-brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--lp-heading); font-size: 1rem; letter-spacing: 0.01em;
  color: var(--lp-text); flex-shrink: 0;
}
.lp-pill-brand-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--lp-accent);
  box-shadow: 0 0 8px var(--lp-accent-glow);
}
.lp-pill-brand-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  padding: 3px 0;
  line-height: 0;
}
.lp-pill-brand-img {
  height: 32px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

/* Dark mode logo swap */
html[data-theme="dark"] .brand-logo-badge,
html[data-theme="dark"] .lp-pill-brand-badge {
  background: transparent;
}
html[data-theme="dark"] .brand-logo-img,
html[data-theme="dark"] .lp-pill-brand-img {
  content: url('../../images/new-logo-dark.png');
}

/* Center links */
.lp-pill-links {
  display: flex; align-items: center; gap: 2rem; margin-left: 100px;
}
.lp-pill-links a {
  font-size: 0.9rem; font-weight: 500;
  color: var(--lp-text-2);
  transition: color 0.2s; white-space: nowrap;
  text-decoration: none;
}
.lp-pill-links a:hover { color: var(--lp-text); }
.lp-pill-links a:active,
.lp-footer-links a:active {
  opacity: 0.6;
}

/* Hiring badge */
.lp-hiring-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.35em 0.55em;
  font-size: 0.65rem;
  font-weight: 600;
  font-family: var(--lp-sans);
  line-height: 1;
  color: #fff;
  background: #22c55e;
  border-radius: 9999px;
  vertical-align: middle;
  letter-spacing: 0.02em;
}

/* Right actions */
.lp-pill-actions {
  display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0;
}

/* Nav buttons */
.cr-nav-signin {
  padding: 0.5rem 1.25rem; border-radius: 8px;
  font-size: 0.88rem; font-family: var(--lp-sans); font-weight: 500;
  background: transparent; color: var(--lp-text-2);
  border: 1px solid var(--lp-border);
  cursor: pointer; transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.cr-nav-signin:hover { border-color: var(--lp-border-hover); color: var(--lp-text); }
.cr-nav-cta {
  padding: 0.5rem 1.25rem; border-radius: 8px;
  font-size: 0.88rem; font-family: var(--lp-sans); font-weight: 500;
  background: var(--lp-accent); color: #fff !important;
  border: none; cursor: pointer;
  transition: filter 0.2s; white-space: nowrap;
  text-decoration: none; display: inline-flex; align-items: center;
}
.cr-nav-cta:hover { filter: brightness(1.06); }
.cr-nav-cta:active { transform: scale(0.97); }

.lp-nav-burger { display: none; width: 38px; height: 38px; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--lp-border); border-radius: 8px; color: var(--lp-text); cursor: pointer; }
.lp-mobile-backdrop {
  display: none;
  position: fixed; inset: 0;
  z-index: 150;
  background: rgba(0,0,0,0.35);
}
.lp-mobile-backdrop.is-open { display: block; }
.lp-mobile-menu { display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 200; flex-direction: column; padding: calc(3.75rem + env(safe-area-inset-top)) 1rem 1rem; background: color-mix(in srgb, var(--lp-bg) 95%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,0.08); }
.lp-mobile-close { position: absolute; top: calc(0.6rem + env(safe-area-inset-top)); right: 1rem; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; background: transparent; border: 1px solid var(--lp-border); border-radius: 8px; color: var(--lp-text); cursor: pointer; }
.lp-mobile-close:hover { border-color: var(--lp-border-hover); color: var(--lp-text-2); background: var(--lp-accent-dim); }
[data-theme="light"] .lp-mobile-menu { border-bottom-color: rgba(0,0,0,0.08); }
[data-theme="light"] .lp-mobile-backdrop { background: rgba(0,0,0,0.2); }
.lp-mobile-menu a { padding: 0.85rem 0.25rem; font-size: 1rem; color: var(--lp-text-2); border-bottom: 1px solid var(--lp-border); text-decoration: none; }
.lp-mobile-menu a:last-child { border-bottom: none; }
.lp-mobile-menu .cr-nav-signin,
.lp-mobile-menu .cr-nav-cta {
  width: 100%; justify-content: center; margin-top: 0.5rem;
  text-align: center; padding: 0.7rem;
}
.lp-mobile-menu .cr-nav-signin {
  margin-top: 1rem;
}

.lp-pill-desktop { display: flex; align-items: center; gap: 0.75rem; }

@media (max-width: 640px) {
  .lp-nav-burger { display: flex; }
  .lp-mobile-menu:not([hidden]) { display: flex; }
  .lp-pill-desktop { display: none; }
  .lp-pill-nav {
    padding: 0.6rem 1rem;
    padding-top: calc(0.6rem + env(safe-area-inset-top));
  }
  .lp-pill-links { display: none; }
}

/* Hero-zone overrides — about/careers pages only.
   Nav sits over the dark purple cover before scrolling.
   Both themes: hero bg is always dark, so force white text regardless. */
.lp-pill-nav.lp-nav-over-hero .lp-pill-links a {
  color: rgba(255,255,255,0.75);
}
.lp-pill-nav.lp-nav-over-hero .lp-pill-links a:hover {
  color: #fff;
}
.lp-pill-nav.lp-nav-over-hero .cr-nav-signin {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.22);
}
.lp-pill-nav.lp-nav-over-hero .cr-nav-signin:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.lp-pill-nav.lp-nav-over-hero .cr-nav-cta {
  background: var(--lp-accent);
}
.lp-pill-nav.lp-nav-over-hero .lp-theme-btn {
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.22);
}
.lp-pill-nav.lp-nav-over-hero .lp-theme-btn:hover {
  color: #fff;
}
.lp-pill-nav.lp-nav-over-hero .lp-nav-burger {
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
[data-theme="light"] .lp-pill-nav.lp-nav-over-hero .lp-pill-brand-img {
  content: url('../../images/new-logo-dark.png');
}

/* Theme toggle */
.lp-theme-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--lp-border);
  background: transparent;
  color: var(--lp-text-2);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.lp-theme-btn:hover {
  border-color: var(--lp-border-hover);
  color: var(--lp-text);
  background: var(--lp-accent-dim);
}
.lp-theme-btn svg { width: 16px; height: 16px; }
.lp-theme-btn .lp-sun { display: none; }
.lp-theme-btn .lp-moon { display: block; }
[data-theme="light"] .lp-theme-btn .lp-sun { display: block; }
[data-theme="light"] .lp-theme-btn .lp-moon { display: none; }

/* ─── Hero background layer: drifting orb ────── */
.lp-hero-section {
  position: relative;
  overflow: hidden;
}

/* ── Hero section wrapper ── */

/* ── Hero (centered single-column) ── */
.lp-hero {
  min-height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
  padding: 6rem 2rem 6rem;
  max-width: 856px;
  margin: 0 auto;
}
.lp-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--lp-accent);
  margin-bottom: 28px;
}
.lp-hero-eyebrow span {
  font-size: 0.7rem;
}
.lp-hero-headline {
  font-family: var(--lp-heading);
  font-size: clamp(2.75rem,5.5vw,5rem);
  line-height: 1.05; letter-spacing: -0.03em;
  color: var(--lp-text);
  margin-bottom: 18px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  display: block;
  text-align: center;
}
.lp-rotate-wrap {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
  color: var(--lp-accent);
  line-height: 1.05;
  overflow: hidden;
  margin-bottom: -13px;
}


.lp-rotate-sentinel {
  display: block;
  visibility: hidden;
  white-space: nowrap;
  height: 1.05em;
  line-height: 1.05;
}
.lp-rotate-word {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(100%);
  margin: 0;
  padding: 0;
}
.lp-rotate-word.is-entering,
.lp-rotate-word.is-exiting {
  transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.lp-rotate-word.is-active {
  opacity: 1;
  transform: translateY(0);
}
.lp-rotate-word.is-exit {
  opacity: 0;
  transform: translateY(-100%);
}
.lp-hero-accent {
  font-style: italic;
  color: var(--lp-accent);
}
.lp-hero-sub {
  font-size: 1.125rem; color: var(--lp-text-2);
  letter-spacing: -0.01em; line-height: 1.4;
  max-width: 600px; margin-bottom: 32px;
}
.lp-hero-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.lp-btn-hero {
  box-sizing: border-box;
  padding: 0.95rem 2.25rem; border-radius: 12px;
  font-size: 1.25rem; font-family: var(--lp-sans); font-weight: 600;
  background: var(--lp-accent); color: #fff !important; border: none;
  cursor: pointer; transition: filter 0.2s, transform 0.15s;
  display: inline-flex; align-items: center; gap: 8px;
}
.lp-btn-hero:hover { filter: brightness(1.06); transform: translateY(-1px); }
.lp-btn-hero-outline {
  box-sizing: border-box;
  padding: 0.95rem 2.25rem; border-radius: 12px;
  font-size: 1.25rem; font-family: var(--lp-sans); font-weight: 600;
  color: var(--lp-text-2); background: var(--lp-bg-3);
  border: 1px solid var(--lp-border);
  background-color: transparent;
  cursor: pointer; transition: border-color 0.2s, color 0.2s, transform 0.1s ease;
}
.lp-btn-hero-outline:hover { border-color: var(--lp-border-hover); color: var(--lp-text); }
.lp-btn-hero:active,
.lp-btn-hero-outline:active {
  transform: scale(0.97);
}
.lp-btn-hero:focus-visible,
.lp-btn-hero-outline:focus-visible,
.cr-nav-signin:focus-visible,
.cr-nav-cta:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--lp-accent-dim), 0 0 0 1px var(--lp-accent);
}
.lp-hero-fineprint {
  margin-top: 8px;
  font-size: 0.78rem; color: var(--lp-text-3);
  letter-spacing: 0.03em;
}

.lp-hero-feat-links {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.lp-hero-feat-links a {
  font-size: 0.78rem;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: color-mix(in srgb, var(--primary) 40%, transparent);
  transition: text-decoration-color .15s;
}
.lp-hero-feat-links a:hover {
  text-decoration-color: var(--primary);
}
.lp-hero-feat-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--lp-text-3);
  display: inline-block;
}

/* ── Hero visual frame ── */
.lp-hero-visual {
  margin-top: 48px;
  width: 100%;
  max-width: 700px;
}
.lp-hero-frame {
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--lp-shadow);
  transition: box-shadow 0.3s;
}
.lp-hero-frame:hover {
  box-shadow: 0 8px 40px rgba(124,108,250,0.15);
}
.lp-hero-frame-inner {
  display: flex;
  flex-direction: column;
}
.lp-hero-frame-chrome {
  background: var(--lp-bg-3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--lp-border);
}
.lp-chrome-dots {
  display: flex;
  gap: 6px;
}
.lp-chrome-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}
.lp-chrome-dot:nth-child(1) { background: #ef4444; }
.lp-chrome-dot:nth-child(2) { background: #f59e0b; }
.lp-chrome-dot:nth-child(3) { background: #10b981; }
.lp-hero-frame-screen {
  aspect-ratio: 16/10;
  background: var(--lp-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.lp-video-playlist {
  width: 100%;
  height: 100%;
  position: relative;
}
.lp-playlist-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.lp-playlist-video.lp-playlist-active {
  opacity: 1;
}

@media (max-width: 640px) {
  .lp-hero {
    padding: 6rem 1.25rem 3rem;
  }
  .lp-hero-headline {
    font-size: clamp(1.875rem, 11.5vw, 2.75rem);
  }
  .lp-hero-sub {
    font-size: 0.95rem;
  }
  .lp-hero-frame-screen {
    aspect-ratio: 4/3;
  }
  .lp-rotate-wrap {
    margin-bottom: -8px;
  } 
  .lp-hero-eyebrow {
    margin-bottom: 0px;
    font-size: 0.65rem;
  }
  .lp-hero-cta-row { flex-direction: column; align-items: stretch; width: 100%; }
  .lp-hero-visual { display: none; }
  .lp-btn-hero,
  .lp-btn-hero-outline {
    width: 100%;
    min-height: 46px;
    font-size: 1rem;
    padding: 0.75rem 1.5rem;
    justify-content: center;
  }
  .lp-cta-section .lp-btn-cta {
    font-size: 0.95rem;
    padding: 0.7rem 1.5rem;
    justify-content: center;
  }
}

/* ── Section layout ── */
.lp-container { max-width: 1200px; margin: 0 auto; padding: 0 4rem; }
.lp-section-pad { padding: 6rem 0; }

/* ── Proof/testimonial ── */
/* ── University logos + testimonial ── */
.lp-university-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 2rem 1.25rem;
  text-align: center;
}
.lp-university-title {
  font-family: var(--lp-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--lp-text);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}


.lp-logo-marquee {
  overflow: hidden;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 8%,
    #000 92%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 8%,
    #000 92%,
    transparent 100%
  );
}
.lp-logo-track {
  display: flex;
  width: max-content;
  flex-wrap: nowrap;
  animation: lpLogoScroll 40s linear infinite;
  will-change: transform;
}
.lp-logo-slide {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-right: 28px;
  flex-shrink: 0;
}
body.landing-page .lp-logo-img {
  height: 10px;
  width: 10px;
  object-fit: contain;
  object-position: center;
  flex-shrink: 0;
  opacity: 0.85;
  transition: opacity 0.3s;
}
body.landing-page .lp-logo-img:hover {
  opacity: 1;
}
body.landing-page .lp-logo-slide .lp-logo-img:nth-child(3),
body.landing-page .lp-logo-slide .lp-logo-img:nth-child(5),
body.landing-page .lp-logo-slide .lp-logo-img:nth-child(8) {
  width: auto;
}
body.landing-page .lp-logo-slide .lp-logo-img:nth-child(7) {
  width: 64px;
  height: auto;
}

@media (min-width: 961px) {
  body.landing-page .lp-logo-img {
    height: 44px;
    width: 44px;
  }
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(3),
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(5),
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(8) {
    width: auto;
  }
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(7) {
    width: 84px;
    height: auto;
  }
  .lp-logo-slide {
    margin-top: 20px;
    gap: 5rem;
  }
}

.lp-university-testimonial {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--lp-border);
}
.lp-proof-quote {
  font-family: var(--lp-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.6rem);
  line-height: 1.45;
  color: var(--lp-text);
  margin-bottom: 1.5rem;
}
.lp-proof-attr {
  font-size: 0.85rem;
  color: var(--lp-text-3);
  letter-spacing: 0.04em;
}
.lp-proof-attr strong {
  color: var(--lp-text-2);
  font-weight: 500;
}

@keyframes lpLogoScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Section labels ── */
.lp-section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; margin-top: 1rem;
  text-transform: uppercase; color: var(--lp-accent); margin-bottom: 1rem;
  transition: color 0.2s;
}
.lp-section-label::before {
  content: ''; display: inline-block;
  width: 18px; height: 1px; background: var(--lp-accent);
  transition: background 0.2s, width 0.2s;
}
.lp-section-pad:hover .lp-section-label {
  color: var(--lp-accent);
  filter: brightness(1.2);
}
.lp-section-pad:hover .lp-section-label::before {
  width: 28px;
}
.lp-section-headline {
  font-family: var(--lp-heading);
  font-size: clamp(2rem,3.5vw,2.75rem);
  line-height: 1.15; color: var(--lp-text); margin-bottom: 1.2rem;
  overflow-wrap: break-word;
}
.lp-section-headline em {
  font-style: normal;
  color: var(--lp-accent);
}
.lp-section-sub {
  font-size: 1rem; color: var(--lp-text-2);
  max-width: 520px; line-height: 1.7;
}

/* ── How it works (cr-* refactor) ── */
.cr-section-pad {
  padding: 6rem 2rem 0rem;
}
.cr-section-center {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.cr-headline {
  font-family: var(--lp-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.15;
  color: var(--lp-text);
  margin-bottom: 0.75rem;
  overflow-wrap: break-word;
}
.cr-subhead {
  font-size: 1rem;
  color: var(--lp-text-2);
  line-height: 1.7;
  max-width: 480px;
  margin: 0 auto;
}
.cr-section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--lp-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lp-accent);
  margin-bottom: 0.75rem;
}
.cr-section-label::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--lp-accent);
  flex-shrink: 0;
}
.cr-panel {
  display: flex;
  gap: 4rem;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.cr-panel--reverse {
  flex-direction: row-reverse;
}
.cr-panel-copy {
  flex: 1;
  min-width: 0;
}
.cr-panel-copy h3 {
  font-family: var(--lp-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--lp-text);
  margin: 0 0 0.75rem;
  line-height: 1.3;
}
.cr-panel-copy > p {
  font-size: 0.95rem;
  color: var(--lp-text-2);
  line-height: 1.7;
  margin: 0 0 1.25rem;
}
.cr-panel-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.cr-panel-bullet {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--lp-text-2);
  line-height: 1.5;
}
.cr-panel-bullet i {
  font-size: 1.2rem;
  color: var(--lp-accent);
  flex-shrink: 0;
}
.cr-panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  border: none;
  background: var(--lp-accent);
  color: #fff;
  font-family: var(--lp-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  text-decoration: none;
}
.cr-panel-cta:hover {
  opacity: 0.88;
}
.cr-panel-cta:active {
  transform: scale(0.97);
}
.cr-panel-visual {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  color: var(--lp-accent);
}
.cr-panel-visual svg {
  width: 56px;
  height: 56px;
}

/* ── How it works ── */
.lp-how {
  padding-top: 0;
}
.lp-how-steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  max-width: 960px;
  margin: 3.5rem auto 0;
}
.lp-how-step {
  flex: 1;
  max-width: 260px;
  text-align: center;
}
.lp-how-num {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--lp-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  background: var(--lp-bg-card);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.lp-how-step:hover .lp-how-num {
  border-color: var(--lp-accent);
  box-shadow: 0 0 0 4px var(--lp-accent-dim);
}
.lp-how-num-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--lp-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--lp-text);
  opacity: 1;
  transition: opacity 0.25s;
}
.lp-how-num i {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--lp-accent);
  opacity: 0;
  transition: opacity 0.25s;
}
.lp-how-step:hover .lp-how-num-text {
  opacity: 0;
}
.lp-how-step:hover .lp-how-num i {
  opacity: 1;
}
.lp-how-title {
  font-family: var(--lp-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--lp-text);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.lp-how-desc {
  font-size: 0.9rem;
  color: var(--lp-text-2);
  line-height: 1.6;
  margin: 0;
}
.lp-how-connector {
  width: 64px;
  height: 1px;
  background: var(--lp-border);
  margin-top: 28px;
  flex-shrink: 0;
  position: relative;
}
.lp-how-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lp-accent);
  opacity: 0.35;
}

/* ── Pack grid ── */
.lp-pack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px; margin-top: 4rem;
  align-items: stretch;
}
.lp-pack-item {
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 2rem 1.75rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  opacity: 0; transform: translateY(24px);
  will-change: transform, opacity;
  cursor: pointer;
}
.lp-pack-item:hover {
  border-color: var(--lp-border-hover);
  box-shadow: var(--lp-shadow);
}
.lp-pack-section--visible .lp-pack-item {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s cubic-bezier(0.22,1,0.36,1),
              transform 0.5s cubic-bezier(0.22,1,0.36,1),
              border-color 0.25s, box-shadow 0.25s;
}
.lp-pack-section--visible .lp-pack-item:nth-child(1) { transition-delay: 0ms; }
.lp-pack-section--visible .lp-pack-item:nth-child(2) { transition-delay: 80ms; }
.lp-pack-section--visible .lp-pack-item:nth-child(3) { transition-delay: 160ms; }
.lp-pack-section--visible .lp-pack-item:nth-child(4) { transition-delay: 240ms; }
.lp-pack-section--visible .lp-pack-item:nth-child(5) { transition-delay: 320ms; }
.lp-pack-section--visible .lp-pack-item:nth-child(6) { transition-delay: 400ms; }
.lp-pack-icon {
  width: 40px; height: 40px; border-radius: var(--lp-radius-sm);
  background: var(--lp-accent-dim);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem;
}
.lp-pack-icon i { font-size: 18px; color: var(--lp-accent); }
.lp-pack-item h3 { font-size: 0.95rem; font-weight: 500; color: var(--lp-text); margin-bottom: 0.5rem; }
.lp-pack-item p { font-size: 0.83rem; color: var(--lp-text-2); line-height: 1.65; overflow-wrap: break-word; }

/* ── AI grid ── */
.lp-ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px; background: transparent;
  border-radius: var(--lp-radius); overflow: visible; margin-top: 4rem;
  align-items: stretch;
}
.lp-ai-card {
  background: var(--lp-bg-card); padding: 2.25rem 2rem;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column; gap: 1rem;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  min-height: 160px;
  height: 100%;
  cursor: pointer;
}
.lp-ai-card:hover { background: var(--lp-bg-3); border-color: var(--lp-border-hover); box-shadow: var(--lp-shadow); }
.lp-ai-card:hover .lp-ai-icon i { color: var(--lp-accent); filter: brightness(1.2); }
.lp-ai-card-header { display: flex; align-items: center; gap: 12px; }
.lp-ai-icon i { font-size: 16px; color: var(--lp-accent); transition: color 0.2s, filter 0.2s; }
.lp-ai-card h3 { font-size: 0.95rem; font-weight: 500; color: var(--lp-text); }
.lp-ai-card p { font-size: 0.85rem; color: var(--lp-text-2); line-height: 1.7; overflow-wrap: break-word; }

/* ── Live section ── */
.lp-live-section {
  background: var(--lp-bg-2);
  border-top: 1px solid var(--lp-border); border-bottom: 1px solid var(--lp-border);
}
.lp-live-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4rem; }


.lp-live-grid:hover .lp-live-feature i {
  filter: brightness(1.2);
}

.lp-live-grid:hover .lp-live-copy .lp-section-headline {
  color: var(--lp-text);
}
.lp-live-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0.3rem 0.75rem; border-radius: 50px;
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--lp-accent-dim); border: 1px solid var(--lp-accent-glow);
  margin-bottom: 1rem;
}
.lp-live-badge i { font-size: 12px; color: var(--lp-accent); }
.lp-live-headline {
  font-family: var(--lp-heading);
  font-size: clamp(2rem,3.5vw,2.75rem);
  line-height: 1.15; color: var(--lp-text); margin-bottom: 1.2rem;
  overflow-wrap: break-word;
}
.lp-live-headline em { font-style: italic; color: var(--lp-accent); }
.lp-live-sub { font-size: 1rem; color: var(--lp-text-2); line-height: 1.7; margin-bottom: 2rem; }
.lp-live-features { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2.5rem; }
.lp-live-feature { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--lp-text); }
.lp-live-feature i { font-size: 15px; color: var(--lp-accent); flex-shrink: 0; transition: color 0.2s, filter 0.2s; }
.lp-live-preview { border-radius: 18px; overflow: hidden; transition: box-shadow 0.4s, transform 0.4s ease; max-width: 520px; margin-inline: auto; }
.lp-live-preview-chrome { background: var(--lp-bg-3); padding: 10px 14px; display: flex; align-items: center; gap: 8px; }
.lp-live-preview-body { width: 100%; aspect-ratio: 1 / 1; overflow: hidden; }
.lp-live-preview-body.lp-preview-feature { position: relative; }
body.landing-page .lp-demo-img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* ── Feature scroll-reveal workspace ── */
#features { min-height: 300vh; }
#features .lp-container,
#features-tutor .lp-container,
#features-review .lp-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  align-content: start;
  align-items: center;
  gap: 4rem;
  min-height: inherit;
}
#features .lp-live-grid,
#features-review .lp-live-grid { grid-column: 2; grid-row: 1; }
#features .lp-container > .lp-live-copy,
#features-review .lp-container > .lp-live-copy { grid-column: 1; grid-row: 1; }
#features .lp-live-grid,
#features-tutor .lp-live-grid,
#features-review .lp-live-grid {
  position: sticky;
  top: 14vh;
  grid-template-columns: 1fr;
}
#features .lp-container > .lp-live-copy,
#features-tutor .lp-container > .lp-live-copy,
#features-review .lp-container > .lp-live-copy {
  position: sticky;
  top: 14vh;
  align-self: start;
}
#features .lp-live-copy,
#features-tutor .lp-live-copy,
#features-review .lp-live-copy {
  padding-top: clamp(-4rem, 15vh, -8rem);
}
#features-tutor { min-height: 300vh; }
#features-review { min-height: 300vh; }
#featureVisual,
#featureVisual-tutor,
#featureVisual-review {
  position: relative;
  align-self: center;
  height: 72vh;
  max-height: 600px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--lp-bg-2);
  border: 1px solid var(--lp-border);
}
.lp-feature-drop {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.lp-feature-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.lp-feature-file-svg {
  width: 130px;
  height: auto;
  display: block;
}
.lp-feature-file-name {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--lp-text-2);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.lp-feature-workspace {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid transparent;
}
.lp-feature-cards {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 10px;
  width: 100%;
  height: 100%;
  clip-path: inset(70% 50% 30% round 8px);
}
.lp-feature-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transform: translateY(40px) scale(1.08);
}
.lp-feature-card.is-1 { grid-column: 1; }
.lp-feature-card.is-4 { grid-column: 3; }
.lp-feature-card-w {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}
.lp-feature-card-w .lp-feature-card.is-2 { flex: 1.33; }
.lp-feature-card-w .lp-feature-card.is-3 { flex: 1; }
.lp-feature-card-img {
  position: absolute;
  inset: 0;
  opacity: 0.15;
}
.lp-feature-card-body {
  position: relative;
  background: var(--lp-bg-card);
  border-radius: 10px;
  margin: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  z-index: 2;
}
.lp-feature-card.is-1 .lp-feature-card-body {
  padding: 18px;
  margin: 14px;
}
.lp-feature-card-logo {
  height: 14px;
  width: auto;
  max-width: 80px;
  align-self: flex-start;
  color: var(--lp-text);
  fill: currentColor;
}
.lp-feature-card-heading {
  font: 600 1.1rem var(--lp-heading);
  letter-spacing: -0.5px;
  color: var(--lp-text);
  line-height: 1.15;
}
.lp-feature-card.is-1 .lp-feature-card-heading {
  font-size: 1.4rem;
}
.lp-feature-card-heading.is-s {
  font-size: 0.85rem;
}
.lp-feature-card-arrow {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  z-index: 3;
  cursor: pointer;
}
.lp-feature-card.is-1 .lp-feature-card-arrow {
  width: 38px;
  height: 38px;
  top: 12px;
  right: 12px;
}

/* ── Tutor chat scroll window ── */
#featureVisual-tutor {
  background: transparent;
  border: none;
}
.lp-chat-window {
  position: absolute;
  inset: 0;
  display: flex;
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.12), 0 8px 24px rgba(0,0,0,0.24), 0 32px 64px -24px rgba(0,0,0,0.40);
}
.lp-chat-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 3;
  pointer-events: none;
  transition: opacity 300ms cubic-bezier(0.23,1,0.32,1), transform 300ms cubic-bezier(0.16,1,0.3,1);
}
.lp-chat-empty-inner {
  padding: 20px 18px;
}
.lp-chat-empty.is-hidden { opacity: 0; transform: translateY(8px) scale(0.98); }
.lp-chat-body {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 18px 18px 22px;
  overflow: hidden;
}
.lp-chat-stack {
  display: flex;
  flex-direction: column;
  width: 100%;
  will-change: transform;
  transition: transform 0.65s cubic-bezier(0.16,1,0.3,1);
}
.lp-msg {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  margin-top: 0;
  transform-origin: center bottom;
  will-change: transform, opacity;
  transition:
    grid-template-rows 0.62s cubic-bezier(0.16,1,0.3,1),
    opacity 0.38s cubic-bezier(0.23,1,0.32,1),
    transform 0.55s cubic-bezier(0.34,1.56,0.64,1),
    margin-top 0.42s cubic-bezier(0.16,1,0.3,1);
}
.lp-msg-inner {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.lp-msg.is-shown {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 10px;
}
.lp-msg.from-user { transform: translateY(10px) translateX(28px) scale(0.88); }
.lp-msg.from-ai { transform: translateY(10px) translateX(-28px) scale(0.88); }
.lp-msg.from-user.is-shown,
.lp-msg.from-ai.is-shown { transform: translateX(0) translateY(0) scale(1); }
.lp-bubble {
  max-width: 78%;
  font-size: 0.90rem;
  line-height: 1.55;
  padding: 12px 16px;
  white-space: pre-wrap;
  word-break: break-word;
  letter-spacing: -0.011em;
}
.lp-bubble-user {
  align-self: flex-end;
  background: linear-gradient(180deg, var(--lp-accent) 0%, color-mix(in srgb, var(--lp-accent) 88%, #000) 100%);
  color: #fff;
  border-radius: 20px 20px 6px 20px;
  font-weight: 500;
}
.lp-bubble-user .lp-user-caret { opacity: 0; margin-left: 1px; font-weight: 600; }
.lp-msg.sending .lp-user-caret { opacity: 1; animation: lp-blink 1s steps(1) infinite; }
.lp-bubble-ai {
  align-self: flex-start;
  background: var(--lp-bg-3);
  color: var(--lp-text);
  border: 0.5px solid var(--lp-border-hover);
  border-radius: 6px 20px 20px 20px;
}
.lp-bubble-ai .lp-ch { opacity: 0; }
.lp-ai-text strong { font-weight: 650; color: inherit; }
.lp-ch-math { display: inline-block; max-width: 100%; vertical-align: middle; }
.lp-ch-math .mjx-container { overflow-x: auto; }
.lp-bubble-ai .lp-caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--lp-accent);
  opacity: 0;
  border-radius: 1px;
}
.lp-msg.is-typing .lp-caret { opacity: 0; }
.lp-msg.is-done .lp-caret { opacity: 1; animation: lp-blink 0.9s steps(1) infinite; }
@keyframes lp-blink { 50% { opacity: 0; } }
.lp-typing-dots {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 14px 16px;
  background: var(--lp-bg-3);
  border: 0.5px solid var(--lp-border-hover);
  border-radius: 6px 20px 20px 20px;
}
.lp-typing-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lp-text-2);
  animation: lp-bounce 0.9s cubic-bezier(0.16,1,0.3,1) infinite;
}
.lp-typing-dots i:nth-child(2) { animation-delay: 0.12s; }
.lp-typing-dots i:nth-child(3) { animation-delay: 0.24s; }
@keyframes lp-bounce {
  0%, 60%, 100% { transform: translateY(0) scale(0.92); opacity: 0.45; }
  30% { transform: translateY(-5px) scale(1); opacity: 1; }
}
@media (max-width: 768px) {
  .lp-chat-body { padding: 14px 14px 16px; }
  .lp-bubble { max-width: 84%; font-size: 0.86rem; line-height: 1.5; padding: 11px 14px; }
  .lp-msg.from-user { transform: translateY(8px) translateX(18px) scale(0.94); }
  .lp-msg.from-ai { transform: translateY(8px) translateX(-18px) scale(0.94); }
  .lp-chat-empty-inner {
    padding: 12px;
    width: min(220px, 74%);
  }
  .lp-chat-empty svg {
    width: 100%;
    height: auto;
  }
  .lp-ch-math { font-size: 0.86em; }
}
@media (max-width: 380px) {
  .lp-bubble { max-width: 88%; font-size: 0.80rem; line-height: 1.45; }
  .lp-chat-empty-inner { width: min(180px, 74%); }
  .lp-ch-math { font-size: 0.78em; }
}
/* Reduced motion is intentionally not handled yet — see #featureVisual-tutor chat.
   Re-enable later:
@media (prefers-reduced-motion: reduce) {
  .lp-chat-stack { transition: none; }
  .lp-msg { transition: none; }
  .lp-typing-dots i, .lp-msg.sending .lp-user-caret { animation: none; }
}
*/

/* ── Feature review card stack ── */
#features-review #featureVisual-review {
  background: transparent;
  border: none;
}
.lp-card-stack {
  position: absolute;
  inset: 0;
}
.lp-stack-card {
  position: absolute;
  left: 50%;
  bottom: clamp(16px, 3vh, 36px);
  width: min(340px, 76%);
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-bg, var(--lp-bg-card));
  color: var(--card-ink, var(--lp-text));
  box-shadow: rgba(0, 0, 0, 0.08) 0 2px 4px, rgba(0, 0, 0, 0.14) 0 8px 20px, rgba(0, 0, 0, 0.1) 0 20px 48px;
  will-change: transform;
}
.lp-stack-visual {
  position: relative;
  aspect-ratio: 290 / 220;
  padding: 14px;
}
.lp-stack-visual svg { width: 100%; height: 100%; display: block; }
.lp-stack-text { padding: 14px 20px 20px; }
.lp-stack-text h3 {
  font-family: var(--lp-heading);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.lp-stack-text p {
  font-size: 0.85rem;
  line-height: 1.55;
  opacity: 0.82;
  max-width: 46ch;
}

#featureVisual-review {
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}
#featureVisual-review.lp-dragging { cursor: grabbing; }

@media (max-width: 768px) {
  #featureVisual,
  #featureVisual-tutor,
  #featureVisual-review {
    position: relative;
    top: auto;
    height: 440px;
    max-height: 440px;
    min-width: 0;
    width: 100%;
  }
  .lp-feature-cards {
    grid-template-columns: 1fr 1fr;
  }
  .lp-feature-card.is-1 { grid-column: 1 / -1; }
  .lp-feature-card-w { grid-column: 1 / -1; flex-direction: row; }
  .lp-feature-card-w .lp-feature-card.is-2 { flex: 1; }
  .lp-feature-card-w .lp-feature-card.is-3 { flex: 1; }
  .lp-feature-card.is-4 { display: none; }
  .lp-stack-card { width: min(320px, 92%); }
  .lp-stack-visual { aspect-ratio: 290 / 190; padding: 12px; }
  .lp-stack-text { padding: 12px 18px 16px; }
  .lp-stack-text h3 { font-size: 1rem; margin-bottom: 5px; }
  .lp-stack-text p { font-size: 0.82rem; }
}

/* ── Feature data cards ── */
.lp-data-card {
  position: absolute;
  z-index: 3;
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: 12px;
  padding: 12px 13px;
  box-shadow: 0 15px 28px rgba(0,0,0,0.09);
  font-size: 10px;
  max-width: 185px;
}
.lp-data-card strong {
  font: 600 15px var(--lp-heading);
  letter-spacing: -0.6px;
  display: block;
  margin: 4px 0 1px;
  color: var(--lp-text);
}
.lp-data-card .lp-data-label {
  font-size: 9px;
  color: var(--lp-text-3);
  letter-spacing: 0.04em;
}
.lp-data-card .lp-data-sub {
  font-size: 10px;
  color: var(--lp-text-3);
}
.lp-data-card--tutor {
  left: 6px;
  top: 90px;
}
.lp-data-card--playing {
  right: -5px;
  bottom: 68px;
}
.lp-data-card--week {
  top: 35px;
  left: 0;
}
.lp-data-card--mastery {
  right: 0;
  bottom: 45px;
}
.lp-data-bar {
  height: 5px;
  background: var(--lp-border);
  margin-top: 9px;
  border-radius: 5px;
}
.lp-data-bar i {
  display: block;
  width: 72%;
  height: 100%;
  background: var(--lp-cta);
  border-radius: 5px;
  font-style: normal;
}

/* ── Ken Burns animation for feature images ── */
@keyframes kenburns-left {
  0%   { transform: scale(1);    transform-origin: 80% 50%; }
  100% { transform: scale(1.08); transform-origin: 20% 50%; }
}
@keyframes kenburns-center {
  0%   { transform: scale(1);    transform-origin: 50% 50%; }
  100% { transform: scale(1.08); transform-origin: 50% 50%; }
}
@keyframes kenburns-right {
  0%   { transform: scale(1);    transform-origin: 20% 50%; }
  100% { transform: scale(1.08); transform-origin: 80% 50%; }
}

/* ── Formats (elevated dark band) ── */
.formats {
  background: transparent;
  padding: 112px 0;
}


.formats .wrap {
  width: min(1160px, calc(100% - 48px));
  margin: auto;
}
.formats .section-heading {
  text-align: center;
}
.formats .section-heading h2 {
  font: 600 clamp(36px, 4.5vw, 58px)/0.99 var(--lp-heading);
  letter-spacing: -3px;
  margin: 0;
  color: var(--lp-text);
}
.formats .section-heading h2 em {
  font-style: normal;
  color: var(--lp-accent);
}
.formats .section-heading p { color: var(--lp-text-2); }
.format-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--lp-border);
  border-left: 1px solid var(--lp-border);
}
.format {
  padding: 20px;
  min-height: 184px;
  border-right: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
  transition: 0.2s;
}
.format:hover {
  background: var(--lp-bg-3);
}
.format .mark {
  font: 600 27px var(--lp-heading);
  color: var(--lp-accent);
  margin-bottom: 48px;
}
.format h3 {
  font: 600 17px var(--lp-heading);
  letter-spacing: -0.7px;
  margin: 0 0 6px;
  color: var(--lp-text);
}
.format p {
  font-size: 11px;
  color: var(--lp-text-2);
  line-height: 1.4;
  margin: 0;
}
@media (max-width: 800px) {
  .formats { padding: 85px 0; }
  .format-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .format-grid { grid-template-columns: 1fr; }
}

/* ── FAQ (elevated spacing) ── */
.lp-faq-container {
  max-width: 1440px;
  padding: 0 1.25rem;
}
@media (min-width: 768px) {
  .lp-faq-container {
    width: 65%;
  }
}
.lp-faq-heading {
  font: 600 clamp(36px, 4.5vw, 36px)/0.99 var(--lp-heading);
  letter-spacing: -3px;
  color: var(--lp-text);
  padding-top: clamp(12px, 1.2vw, 24px);
  margin-bottom: clamp(40px, 3.5vw, 76px);
  margin-top: 0;
}
.cmp-faq-list {
  max-width: 64rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 1.8vw, 38px);
}
.cmp-faq-item {
  border-bottom: 1px solid var(--lp-border);
  padding-bottom: clamp(14px, 1.2vw, 26px);
}
.cmp-faq-btn {
  width: 100%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  user-select: none;
  gap: 1rem;
}
.cmp-faq-q {
  font-size: clamp(14px, 1.2vw, 22px);
  font-weight: 600;
  color: var(--lp-text);
  line-height: 1.5;
  padding-right: clamp(14px, 1.2vw, 26px);
}
.cmp-faq-icon {
  flex-shrink: 0;
  font-size: clamp(18px, 1.5vw, 28px);
  line-height: 1;
  color: var(--lp-text-2);
  transition: transform 0.3s ease;
  width: 1.25rem;
  text-align: center;
}
.cmp-faq-item.open .cmp-faq-icon {
  transform: rotate(135deg);
}
.cmp-faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
  margin-top: clamp(14px, 1.2vw, 26px);
}
.cmp-faq-item.open .cmp-faq-answer {
  grid-template-rows: 1fr;
}
.cmp-faq-answer > div {
  overflow: hidden;
}
.cmp-faq-answer p {
  font-size: clamp(13px, 1.1vw, 20px);
  color: var(--lp-text-2);
  line-height: 1.75;
  margin: 0;
  padding-bottom: clamp(14px, 1.2vw, 26px);
}

/* ── CTA section ── */
.lp-cta-section {
  padding: 7rem 4rem;
  text-align: center;
  border-top: 1px solid var(--lp-border);
}
.lp-cta-inner { max-width: 640px; margin: 0 auto; }
.lp-cta-section h2 { font-family: var(--lp-heading); font-size: clamp(2rem,3.5vw,2.75rem); line-height: 1.15; color: var(--lp-text); margin-bottom: 1rem; }
.lp-cta-section p { font-size: 1rem; color: var(--lp-text-2); margin-bottom: 2.25rem; }
.lp-btn-cta { padding: 0.85rem 2.5rem; border-radius: 12px; font-size: 1rem; font-family: var(--lp-sans); font-weight: 500; background: var(--lp-accent); color: #fff; border: none; cursor: pointer; transition: opacity 0.2s, transform 0.15s; display: inline-flex; align-items: center; gap: 8px; }
.lp-btn-cta:hover { opacity: 0.88; transform: translateY(-2px); }
.lp-btn-cta:active { transform: scale(0.97); }
.lp-cta-note { margin-top: 2rem; font-size: 0.78rem; color: var(--lp-text-3); }

/* ── Footer ── */
.lp-footer { border-top: 1px solid var(--lp-border); background: var(--lp-bg-2); }
.lp-footer-inner { max-width: 1100px; margin: 0 auto; padding: 2.5rem 2rem 1.5rem; }
.lp-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; }
.lp-footer-brand { font-family: var(--lp-heading); font-size: 1rem; letter-spacing: 0.04em; color: var(--lp-text-1); margin-bottom: 0.5rem; }
.lp-footer-desc { font-size: 0.82rem; color: var(--lp-text-3); line-height: 1.5; max-width: 28ch; }
.lp-footer-social { display: flex; gap: 0.9rem; margin-top: 1rem; }
.lp-footer-social a { font-size: 1.4rem !important; color: var(--lp-text-3); transition: color 0.2s ease; }
.lp-footer-social a:hover { color: var(--lp-accent); }
.lp-footer-heading { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--lp-text-3); margin-bottom: 0.75rem; }
.lp-footer-col { display: flex; flex-direction: column; gap: 0.4rem; }
.lp-footer-col a { font-size: 0.82rem; color: var(--lp-text-3); text-decoration: none; }
.lp-footer-col a:hover { color: var(--lp-accent); }
.lp-footer-bottom { border-top: 1px solid var(--lp-border); margin-top: 2rem; padding-top: 1.25rem; text-align: center; }
.lp-footer-bottom p { font-size: 0.75rem; color: var(--lp-text-3); }

/* ── Keyboard focus styles ── */
.lp-pack-item:focus-visible,
.lp-ai-card:focus-visible {
  outline: none;
  border-color: var(--lp-accent);
  box-shadow: 0 0 0 3px var(--lp-accent-dim), var(--lp-shadow);
}

/* ── Hero entrance animation initial state ── */
.lp-hero .lp-hero-headline,
.lp-hero .lp-hero-sub,
.lp-hero .lp-hero-cta-row,
.lp-hero .lp-hero-fineprint,
.lp-hero .lp-hero-visual {
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
}

/* ── Typewriter hero text ── */

/* ── Responsive ── */
@media (max-width: 960px) {
  .lp-hero { padding: 10.5rem 1.5rem 3rem; }
  .lp-hero-sub { margin-left: auto; margin-right: auto; }
  .lp-university-title { font-size: 1.2rem; }
  .lp-hero-visual { max-width: 500px; margin: 0 auto; }
  /* ── Mobile: panel section ─────────────────── */
  .cr-panel {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .cr-panel--reverse {
    flex-direction: column;
  }
  .cr-panel-bullets {
    align-items: center;
  }
  .cr-panel-bullet {
    text-align: left;
  }
  .cr-panel-visual {
    width: 120px;
    height: 120px;
    order: -1;
  }

  .lp-pack-grid { grid-template-columns: repeat(2,1fr); gap: 0.75rem; }
  .lp-ai-grid { grid-template-columns: 1fr; }
  .lp-live-grid { grid-template-columns: 1fr; gap: 1rem; padding: 0px; min-height: 300vh; display: block; }
  #features .lp-live-grid,
  #features-tutor .lp-live-grid,
  #features-review .lp-live-grid { position: relative; top: auto; }
  #features .lp-container,
  #features-tutor .lp-container,
  #features-review .lp-container { display: block; }
  .lp-container { padding: 1rem 2rem; }
  .lp-university-inner { padding: 2rem 1.5rem 1.5rem; }
  .lp-cta-section { padding: 5rem 2rem; }
  .lp-footer-grid { grid-template-columns: 1fr; gap: 1.5rem; text-align: center; }
  .lp-footer-desc { max-width: none; }
  .lp-footer-social { justify-content: center; }
  .lp-footer-inner { padding: 2rem 1.5rem 1rem; }
  .lp-footer-bottom { margin-top: 1.5rem; }
  .lp-live-visual { order: 1; position: sticky !important; top: 14vh !important; z-index: 1; }
  #featureVisual,
  #featureVisual-tutor,
  #featureVisual-review { height: min(440px, 70vh); }
  .lp-live-copy { order: 2; position: static !important; top: auto !important; }
  .lp-how-steps {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
    margin-top: 2.5rem;
  }
  .lp-how-connector { display: none; }
  .lp-how-step { max-width: 320px; }
  body.landing-page .lp-demo-img { margin-top: 3rem; }

}
@media (max-width: 600px) {
  .lp-pack-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  body.landing-page .lp-logo-img { height: 56px; width: 56px; }
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(3),
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(5),
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(8) { width: auto; }
  body.landing-page .lp-logo-slide .lp-logo-img:nth-child(7) { width: 56px; height: auto; }
  .lp-logo-slide { gap: 2rem; }
  .lp-logo-track { animation-duration: 40s; }
}

/* ── Scroll-triggered reveal system ── */
.lp-reveal-ready .lp-reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.65s cubic-bezier(0.16,1,0.3,1),
              transform 0.65s cubic-bezier(0.16,1,0.3,1);
  will-change: opacity, transform;
}
@media (min-width: 769px) {
  .lp-reveal-ready .lp-reveal--left  { transform: translateX(-36px); }
  .lp-reveal-ready .lp-reveal--right { transform: translateX(36px); }
  .lp-live-preview:hover {
    transform: perspective(800px) rotateY(-3deg) rotateX(1deg);
  }
}
.lp-reveal-ready .lp-reveal.is-revealed {
  opacity: 1;
  transform: none;
  will-change: auto;
}
.lp-reveal-ready .lp-reveal[data-reveal-delay="1"] { transition-delay: 0.1s; }
.lp-reveal-ready .lp-reveal[data-reveal-delay="2"] { transition-delay: 0.2s; }
.lp-reveal-ready .lp-reveal[data-reveal-delay="3"] { transition-delay: 0.3s; }
.lp-reveal-ready .lp-reveal[data-reveal-delay="4"] { transition-delay: 0.4s; }
.lp-reveal-ready .lp-reveal[data-reveal-delay="5"] { transition-delay: 0.5s; }
body { overflow-x: clip; }

/* ── Pricing section ────────────────────────────────────────────── */
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.pricing {
  padding: 120px 0;
}
.section-heading {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}
.section-heading h2 {
  font: 600 clamp(36px, 4.5vw, 58px)/0.99 var(--lp-heading);
  letter-spacing: -3px;
  margin: 0;
  color: var(--lp-text);
}
.section-heading h2 em {
  font-style: normal;
  color: var(--lp-accent);
}
.section-heading p {
  color: var(--lp-text-2);
}
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 47px;
}
.plan {
  border: 1px solid var(--lp-border);
  border-radius: 14px;
  background: var(--lp-bg-card);
  padding: 24px;
  min-height: 375px;
  display: flex;
  flex-direction: column;
}
.plan.featured {
  background: var(--lp-accent);
  border-color: var(--lp-accent);
  color: #fff;
  box-shadow: 0 18px 30px rgba(95, 78, 217, 0.21);
  transform: translateY(-9px);
}
.plan-tag {
  font: 600 9px var(--lp-heading);
  letter-spacing: 0.09em;
  color: var(--lp-text-3);
}
.plan.featured .plan-tag {
  color: #dedaff;
}
.plan h3 {
  font: 600 26px var(--lp-heading);
  letter-spacing: -1.3px;
  margin: 13px 0 4px;
  color: inherit;
}
.price {
  font: 600 34px var(--lp-heading);
  letter-spacing: -2px;
  margin-bottom: 17px;
  color: var(--lp-text);
}
.plan.featured .price {
  color: #fff;
}
.price small {
  font: 400 11px var(--lp-sans);
  letter-spacing: 0;
  color: var(--lp-text-2);
}
.plan.featured .price small {
  color: rgba(255,255,255,0.72);
}
.plan ul {
  padding: 0;
  margin: 0;
  list-style: none;
  font-size: 12px;
  line-height: 1.45;
  color: var(--lp-text-2);
}
.plan.featured ul {
  color: rgba(255,255,255,0.82);
}
.plan li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--lp-border);
  font-size: 0.85rem;
}
.plan li:first-child {
  border-top: none;
}
.plan li .ti {
  flex-shrink: 0;
  color: var(--lp-text);
  font-size: 13px;
  font-weight: 800;
}
.plan.featured li .ti {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff;
  color: var(--lp-accent);
  font-size: 11px;
}
.plan .button {
  width: 100%;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  box-sizing: border-box;
  background: var(--lp-accent);
  color: #fff;
  border: none;
}
.plan .button:hover {
  filter: brightness(1.1);
}
.plan.featured .button {
  background: #fff;
  color: var(--lp-accent);
}
.plan.featured .button:hover {
  filter: brightness(0.95);
}
@media (max-width: 768px) {
  .plans {
    grid-template-columns: 1fr;
    max-width: 430px;
    margin-left: auto;
    margin-right: auto;
  }
  .plan.featured {
    transform: none;
  }
  .pricing {
    padding: 85px 25px;
  }
}

/* ─────────────────────────────────────────────────────────────────────────────
   LANDING ENHANCEMENTS — particles · stats counters · demo · back-to-top · ripple
   ───────────────────────────────────────────────────────────────────────────── */

/* Hero particles canvas */
.lp-hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Stats counter strip */
.lp-stats-section {
  padding: 2.75rem 0;
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
  background: var(--lp-bg-2);
}
.lp-stats-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 3.5rem;
  flex-wrap: wrap;
}
.lp-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}
.lp-stat-num {
  font-family: var(--lp-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--lp-accent);
  line-height: 1;
  text-align: center;
  min-width: 3.5rem;
  display: block;
}
.lp-stat-lbl {
  font-family: var(--lp-sans);
  font-size: .8rem;
  color: var(--lp-text-2);
  text-align: center;
  max-width: 110px;
  line-height: 1.4;
}

/* Back to top */
.lp-back-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 2000;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--lp-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(124,108,250,.35);
  opacity: 0;
  transform: translateY(12px) scale(.9);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
.lp-back-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.lp-back-top:hover { filter: brightness(1.1); }
.lp-back-top:active { transform: scale(.93); }

/* Button ripple effect */
.lp-btn-hero,
.lp-btn-hero-outline,
.lp-btn-cta,
.cr-panel-cta,
.cr-pricing-btn {
  position: relative;
  overflow: hidden;
}
.lp-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
  transform: scale(0);
  animation: lp-ripple-anim .55s ease-out forwards;
  pointer-events: none;
}
@keyframes lp-ripple-anim {
  to { transform: scale(4); opacity: 0; }
}

/* Interactive demo section */
.lp-demo-section {
  padding: 4rem 0 5rem;
}
.lp-demo-wrap {
  max-width: 780px;
  margin: 0 auto;
}
.lp-demo-input-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: var(--lp-bg-card);
  border: 1.5px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: .55rem .55rem .55rem 1.1rem;
  transition: border-color .2s;
}
.lp-demo-input-row:focus-within { border-color: var(--lp-accent); }
.lp-demo-input-icon { color: var(--lp-text-3); flex-shrink: 0; font-size: 1rem; }
.lp-demo-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--lp-sans);
  font-size: 1rem;
  color: var(--lp-text);
  min-width: 0;
}
.lp-demo-input::placeholder { color: var(--lp-text-3); }
.lp-demo-btn {
  background: var(--lp-accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--lp-radius) - 4px);
  padding: .6rem 1.1rem;
  font-family: var(--lp-sans);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: filter .15s;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
.lp-demo-btn:hover { filter: brightness(1.1); }
.lp-demo-btn:active { filter: brightness(.95); }
.lp-demo-chips {
  display: flex;
  gap: .45rem;
  margin-top: .75rem;
  flex-wrap: wrap;
}
.lp-demo-chip {
  border: 1px solid var(--lp-border);
  border-radius: 99px;
  padding: .3rem .85rem;
  font-size: .8rem;
  color: var(--lp-text-2);
  cursor: pointer;
  background: transparent;
  transition: border-color .15s, color .15s, background .15s;
  font-family: var(--lp-sans);
}
.lp-demo-chip:hover {
  border-color: var(--lp-accent);
  color: var(--lp-accent);
  background: var(--lp-accent-dim);
}
.lp-demo-output { margin-top: 2rem; display: none; }
.lp-demo-output.is-visible { display: block; }
.lp-demo-topic-label {
  font-family: var(--lp-sans);
  font-size: .85rem;
  color: var(--lp-text-2);
  margin-bottom: .9rem;
}
.lp-demo-topic-name {
  font-weight: 600;
  color: var(--lp-accent);
}
.lp-demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
}
.lp-demo-card {
  background: var(--lp-bg-card);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 1.1rem 1rem 1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, border-color .25s;
}
.lp-demo-card.is-in { opacity: 1; transform: translateY(0); }
.lp-demo-card.is-done { border-color: rgba(124,108,250,.28); }
.lp-demo-card-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--lp-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lp-accent);
  font-size: .95rem;
  margin-bottom: .6rem;
}
.lp-demo-card-title {
  font-family: var(--lp-heading);
  font-size: .875rem;
  font-weight: 600;
  color: var(--lp-text);
  margin-bottom: .25rem;
}
.lp-demo-card-status {
  font-family: var(--lp-sans);
  font-size: .76rem;
  color: var(--lp-text-3);
  transition: color .2s;
}
.lp-demo-card-status.ready { color: #10b981; font-weight: 500; }
.lp-demo-skel {
  height: 5px;
  border-radius: 99px;
  background: var(--lp-border);
  margin-top: .55rem;
  overflow: hidden;
  position: relative;
}
.lp-demo-skel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, var(--lp-accent-dim) 50%, transparent 100%);
  transform: translateX(-100%);
  animation: lp-skel-shine 1.3s ease-in-out infinite;
}
.lp-demo-card.is-done .lp-demo-skel::after { animation: none; }
.lp-demo-card.is-done .lp-demo-skel { background: rgba(16,185,129,.18); }
@keyframes lp-skel-shine {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}
.lp-demo-cta-wrap {
  margin-top: 1.75rem;
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s ease, transform .4s ease;
}
.lp-demo-cta-wrap.is-visible { opacity: 1; transform: translateY(0); }
.lp-demo-cta-note {
  font-size: .85rem;
  color: var(--lp-text-2);
  margin-bottom: .85rem;
}

@media (max-width: 600px) {
  .lp-demo-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-stats-row { gap: 2rem; }
  .lp-demo-input-row { flex-wrap: wrap;}
  .lp-demo-btn { width: 100%; justify-content: center; }
  .lp-back-top { bottom: 1.25rem; right: 1.25rem; }
  .lp-btn-hero,
  .lp-btn-hero-outline { padding: 0.85rem 1.75rem; }
  .lp-btn-cta { padding: 0.75rem 2rem; font-size: 1rem; }
}
@media (max-width: 360px) {
  .lp-demo-grid { grid-template-columns: 1fr 1fr; }
}

/* ── How it works (elevated design) ── */
#how.section.wrap {
  padding: 120px 0;
  width: min(1160px, calc(100% - 48px));
  margin: auto;
}
#how .section-heading {
  text-align: center;
  max-width: 660px;
  margin: 0 auto;
}
#how .section-heading h2 {
  font: 600 clamp(36px, 4.5vw, 58px)/0.99 var(--lp-heading);
  letter-spacing: -3px;
  margin: 0;
  color: var(--lp-text);
}
#how .section-heading h2 em {
  font-style: normal;
  color: var(--lp-accent);
}
#how .section-heading p {
  font-size: 14px;
  line-height: 1.55;
  color: var(--lp-text-2);
  margin: 16px auto 0;
  max-width: 530px;
}
#how .steps {
  margin-top: 53px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
#how .step {
  padding: 24px 22px 28px;
  border: 1px solid var(--lp-border);
  border-radius: 14px;
  background: var(--lp-bg-card);
  min-height: 256px;
  transition: 0.25s;
}
#how .step:hover {
  transform: translateY(-5px);
  box-shadow: 0 17px 30px rgba(0,0,0,0.08);
}
#how .step-num {
  font: 600 10px var(--lp-heading);
  color: var(--lp-accent);
  letter-spacing: 0.08em;
}
#how .step-visual {
  height: 125px;
  display: grid;
  place-items: center;
}
#how .file-thing {
  width: 76px;
  height: 94px;
  background: var(--lp-accent-dim);
  border: 1px solid color-mix(in srgb, var(--lp-accent) 30%, transparent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font: 700 28px var(--lp-heading);
  color: var(--lp-accent);
  transform: rotate(-8deg);
  box-shadow: 10px 10px 0 color-mix(in srgb, var(--lp-accent) 20%, transparent);
}
#how .spark-thing {
  font: 600 86px var(--lp-heading);
  line-height: 1;
  color: var(--lp-accent);
  text-shadow: 8px 8px 0 color-mix(in srgb, var(--lp-accent) 18%, transparent);
}
#how .recall-thing {
  width: 96px;
  height: 96px;
  background: color-mix(in srgb, var(--lp-cta) 15%, transparent);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--lp-cta);
  font: 600 38px var(--lp-heading);
  box-shadow: 10px 10px 0 color-mix(in srgb, var(--lp-cta) 18%, transparent);
}
#how .step h3 {
  font: 600 21px var(--lp-heading);
  letter-spacing: -1px;
  margin: 8px 0;
  color: var(--lp-text);
}


#how .step p {
  font-size: 12px;
  line-height: 1.55;
  color: var(--lp-text-2);
  margin: 0;
}

@media (max-width: 800px) {
  #how.section.wrap {
    padding: 85px 0;
  }
  #how .steps {
    grid-template-columns: 1fr;
  }
  #how .step {
    min-height: 0;
  }
  #how .step-visual {
    height: 84px;
    justify-content: start;
    margin: 15px auto;
  }
  #how .step h3 {
    font-size: 18px;
    margin-top: 30px;
  }

  #how .step-num {
    font-size: 9px;
    margin-bottom: 4px;
  }
}

/* ── Reviews marquee ───────────────────────────────────────────── */
.lp-reviews { padding-top: 0; }
.lp-reviews .section-heading { margin-bottom: clamp(36px, 4vw, 64px); }
.lp-reviews-marquee {
  position: relative;
  overflow: hidden;
}
.lp-reviews-mask {
  display: flex;
  flex-direction: column;
  gap: 22px;
  overflow: hidden;
}
.lp-reviews-track {
  display: flex;
  width: max-content;
  flex-wrap: nowrap;
  animation: lpReviewsScroll 48s linear infinite;
  will-change: transform;
}
.lp-reviews-row--reverse .lp-reviews-track { animation-direction: reverse; }
.lp-reviews-marquee:hover .lp-reviews-track { animation-play-state: paused; }
.lp-reviews-group {
  display: flex;
  flex-shrink: 0;
  align-items: stretch;
}
.lp-review-card {
  flex-shrink: 0;
  width: 340px;
  margin: 10px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--lp-border);
  border-radius: 24px;
  background: var(--lp-bg-card);
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.lp-review-card:hover {
  border-color: var(--lp-border-hover);
  box-shadow: var(--lp-shadow);
}
.lp-review-rating {
  position: absolute;
  top: 4px;
  right: 16px;
  z-index: 0;
  font: 800 4.5rem/1 var(--lp-heading);
  letter-spacing: -0.04em;
  color: var(--lp-rating);
  pointer-events: none;
  user-select: none;
}
.lp-review-head,
.lp-review-quote {
  position: relative;
  z-index: 1;
}
.lp-review-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.lp-review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px var(--lp-accent-glow);
}
.lp-review-avatar--initials {
  display: flex;
  align-items: center;
  justify-content: center;
  font: 700 1.05rem/1 var(--lp-heading);
  color: var(--lp-accent);
  background: var(--lp-accent-dim);
}
.lp-review-id {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.lp-review-name {
  font: 700 1rem/1.25 var(--lp-heading);
  color: var(--lp-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-review-handle {
  margin-top: 2px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--lp-text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lp-review-quote {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--lp-text-2);
}
.lp-reviews-fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(40px, 7vw, 110px);
  pointer-events: none;
  z-index: 2;
}
.lp-reviews-fade--left  { left: 0;  background: linear-gradient(to right,  var(--lp-bg), transparent); }
.lp-reviews-fade--right { right: 0; background: linear-gradient(to left,   var(--lp-bg), transparent); }

@keyframes lpReviewsScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Visually-hidden utility ───────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}