:root {
  --teal: #0e7c70;
  --teal-dark: #0b6a60;
  --teal-tint: rgba(14, 124, 112, 0.08);
  --ink: #14191b;
  --text: #5d686c;
  --text-muted: #6b767a;
  --text-strong: #33403f;
  --text-row: #1f2628;
  --border: #e3e8e8;
  --bg-tint: #f6f8f8;
  --chip: #f1f4f4;
  --bad: #a8524d;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: 'Heebo', sans-serif;
  overflow-x: hidden;
}

a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); }

::selection { background: var(--teal); color: #ffffff; }

section { scroll-margin-top: 76px; }

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 4px 12px rgba(14,124,112,0.28), 0 0 24px 6px rgba(14,124,112,0.12), 0 0 60px 18px rgba(14,124,112,0.06); transform: scale(1); }
  50% { box-shadow: 0 6px 16px rgba(14,124,112,0.32), 0 0 36px 10px rgba(14,124,112,0.16), 0 0 90px 28px rgba(14,124,112,0.08); transform: scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #ffffff;
  font-weight: 700;
  border-radius: 10px;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--teal-dark); color: #ffffff; }
.btn-sm { font-weight: 600; font-size: 14px; padding: 10px 20px; border-radius: 8px; }
.btn-lg { font-size: 16px; padding: 15px 34px; }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #3fa89c, #0b6e63 70%);
  box-shadow: 0 2px 6px rgba(14,124,112,0.25), 0 0 14px 4px rgba(14,124,112,0.14);
}
.brand-dot-sm { width: 8px; height: 8px; background: var(--teal); box-shadow: none; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: 0.2px; }
.brand-name-sm { font-size: 15px; font-weight: 700; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a:not(.btn) { color: var(--text); font-size: 15px; }
.nav-soon { color: var(--text-muted); font-size: 15px; cursor: not-allowed; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 1px; }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 18px;
  padding: 20px 24px 28px;
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}
.nav-mobile a:not(.btn), .nav-mobile .nav-soon { color: var(--text); font-size: 15px; }
.nav-mobile.is-open { display: flex; }

/* Hero */
.hero {
  position: relative;
  padding: 110px 48px 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: -120px;
  right: 50%;
  transform: translateX(50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,124,112,0.10), transparent 70%);
  pointer-events: none;
}
.hero-inner { max-width: 820px; position: relative; z-index: 1; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-tint);
  border: 1px solid rgba(14,124,112,0.25);
  color: var(--teal-dark);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.15;
  font-weight: 800;
  margin: 0 0 24px;
}
.accent { color: var(--teal); }

.hero-sub {
  font-size: 19px;
  line-height: 1.6;
  color: var(--text);
  margin: 0 auto 40px;
  max-width: 620px;
}

.hero-footnote { margin: 18px 0 0; color: var(--text-muted); font-size: 14px; }

.video-wrap { position: relative; margin-top: 80px; width: 100%; max-width: 760px; }
.video-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(14,124,112,0.10), #ffffff 70%);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 30px 60px -20px rgba(20,50,50,0.14);
}
.video-card video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #ffffff;
}
.video-card.is-paused video { opacity: 0; pointer-events: none; }

.video-play {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--teal);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: pulseGlow 3.5s ease-in-out infinite;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.video-play[hidden] { display: none; }
.video-play-triangle {
  width: 0; height: 0;
  border-top: 16px solid transparent;
  border-bottom: 16px solid transparent;
  border-right: 24px solid #ffffff;
  margin-right: 4px;
}

/* Reveal sections */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.trust-band.reveal { transform: none; }

/* Generic section */
.section { padding: 120px 48px; }
.section-tint { background: var(--bg-tint); }
.section-inner { max-width: 1000px; margin: 0 auto; }
.section-inner-narrow { max-width: 900px; }
.section-inner-narrow.section-inner { max-width: 900px; }
.center { text-align: center; }

.eyebrow { color: var(--teal); font-size: 14px; font-weight: 600; margin-bottom: 14px; }
#how .eyebrow { font-size: 20px; }

.section h2 { font-size: 36px; font-weight: 700; margin: 0 0 16px; }
#surfaces h2, #compare h2, #faq h2 { margin: 0; }
.section-lede { color: var(--text); font-size: 17px; max-width: 640px; margin: 0 auto 56px; }

/* How card */
.how-card {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 32px 28px;
  text-align: right;
}
.chat-question {
  display: inline-block;
  background: var(--chip);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 15px;
  color: var(--text-strong);
  margin-bottom: 22px;
}
.chat-answer { font-size: 16px; line-height: 1.7; min-height: 24px; }
.chat-quote {
  border-right: 2px solid var(--teal);
  padding-right: 14px;
  margin-top: 18px;
  font-size: 14px;
  color: var(--text-strong);
  font-style: italic;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.chat-quote.is-visible, .chat-source.is-visible { opacity: 1; transform: translateY(0); }
.chat-source {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.chat-source-name { color: var(--text-strong); }
.chat-source-link { color: var(--teal); }
.chat-rec {
  margin-top: 20px;
  background: var(--chip);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.chat-rec.is-visible { opacity: 1; transform: translateY(0); }
.chat-rec-label { color: var(--text-strong); font-weight: 600; }

/* Tabs / surfaces */
.tabs { display: flex; justify-content: center; gap: 12px; margin-bottom: 36px; }
.tab {
  cursor: pointer;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  background: transparent;
  color: var(--text);
  border: 1px solid #d5dcdc;
  font-family: inherit;
}
.tab.is-active { background: var(--teal); color: #ffffff; border-color: var(--teal); }

.tab-panel-frame {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 44px;
}
.tab-panel {
  display: none;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 40px;
  align-items: center;
}
.tab-panel.is-active { display: grid; }
.tab-panel h3 { font-size: 22px; font-weight: 700; margin: 0 0 14px; }
.tab-panel p { color: var(--text); font-size: 15px; line-height: 1.7; margin: 0 0 14px; }
.tab-panel p:last-child { margin: 0; }

.mock-card { background: var(--bg-tint); border: 1px solid var(--border); border-radius: 12px; padding: 22px 24px; }
.mock-card-label { color: var(--text); font-size: 12px; margin-bottom: 10px; }
.mock-card-text { font-size: 14px; line-height: 1.6; margin-bottom: 12px; }
.mock-card-quote { border-right: 2px solid var(--teal); padding-right: 10px; font-size: 12px; color: var(--text-strong); font-style: italic; margin-bottom: 8px; }
.mock-card-foot { display: flex; justify-content: space-between; color: var(--text-muted); font-size: 11px; }

.dropzone {
  border: 1px dashed rgba(14,124,112,0.4);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
  font-size: 13px;
  color: var(--teal-dark);
  margin-bottom: 14px;
}
.mock-row {
  display: flex;
  justify-content: space-between;
  background: var(--chip);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 8px;
  font-size: 14px;
}
.mock-row:last-child { margin-bottom: 0; }
.muted { color: var(--text-muted); }

/* Trust band */
.trust-band {
  padding: 64px 48px;
  background: var(--teal-tint);
  border-top: 1px solid rgba(14,124,112,0.15);
  border-bottom: 1px solid rgba(14,124,112,0.15);
  text-align: center;
}
.trust-band p {
  max-width: 820px;
  margin: 0 auto;
  font-size: 20px;
  line-height: 1.6;
  font-weight: 600;
}

/* Compare table */
.compare-table { background: #ffffff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.compare-row {
  display: grid;
  grid-template-columns: minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1fr);
  padding: 18px 28px;
  border-bottom: 1px solid var(--chip);
  font-size: 14px;
  align-items: center;
}
.compare-row:last-child { border-bottom: none; }
.compare-head { padding: 20px 28px; border-bottom: 1px solid var(--border); color: var(--text); }
.compare-col-brand, .compare-head > div { text-align: center; }
.compare-head > div:first-child { text-align: right; }
.compare-col-brand { color: var(--teal); font-weight: 700; }
.compare-label { color: var(--text-row); }
.mark { text-align: center; font-size: 17px; }
.mark-yes { color: var(--teal); }
.mark-no { color: var(--bad); }
.mark-neutral { color: var(--text-muted); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: right;
  color: var(--ink);
}
.faq-question span:first-child { font-size: 17px; font-weight: 600; }
.faq-icon { color: var(--teal); font-size: 20px; flex-shrink: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { color: var(--text); font-size: 15px; line-height: 1.7; margin: 0 4px 22px; }
.faq-item.is-open .faq-answer { max-height: 300px; }

/* CTA */
.cta-section {
  padding: 130px 48px;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, rgba(14,124,112,0.10), transparent 60%);
}
.cta-section h2 { font-size: 38px; font-weight: 800; margin: 0 0 20px; }
.cta-section p { color: var(--text); font-size: 17px; margin: 0 auto 36px; max-width: 520px; }

/* Footer */
.footer {
  padding: 48px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: center;
}
.footer-links { display: flex; gap: 28px; font-size: 14px; color: var(--text-muted); flex-wrap: wrap; }
.footer-links a { color: var(--text-muted); }
.footer-links span { cursor: not-allowed; }
.footer-copy { font-size: 13px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 90px 24px 90px; }
  .hero h1 { font-size: 38px; }
  .hero-sub { font-size: 17px; }
  .section { padding: 80px 24px; }
  .how-card { padding: 24px 20px; }
  .tab-panel-frame { padding: 24px; }
  .tab-panel.is-active { grid-template-columns: 1fr; }
  .compare-row, .compare-head { grid-template-columns: minmax(0,1.4fr) repeat(3, minmax(0,1fr)); padding: 14px 16px; font-size: 12px; }
  .cta-section { padding: 90px 24px; }
  .footer { padding: 36px 24px; justify-content: center; text-align: center; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 30px; }
  .pill { font-size: 12px; }
  .section h2 { font-size: 28px; }
}