:root {
  --bg: #f6f4ef; --surface: #fcfcfb; --ink: #12201f; --muted: #5f6b69; --line: #e3e0d8;
  --teal: #0d9488; --teal-deep: #0b4f4a; --teal-ink: #0a7a70; --amber: #d97706;
  --radius: 14px; --serif: "Fraunces", Georgia, serif; --sans: "Plus Jakarta Sans", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1716; --surface: #16211f; --ink: #eef3f2; --muted: #a3b0ad; --line: #26332f;
    --teal: #2dd4bf; --teal-ink: #5eead4; --teal-deep: #0b3d39;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1716; --surface: #16211f; --ink: #eef3f2; --muted: #a3b0ad; --line: #26332f;
  --teal: #2dd4bf; --teal-ink: #5eead4; --teal-deep: #0b3d39;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .btn:not(.btn-alt):not(.btn-light):not(.btn-ghost) { color: #062b28; } }
:root[data-theme="dark"] .btn:not(.btn-alt):not(.btn-light):not(.btn-ghost) { color: #062b28; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--teal-ink); }
img { max-width: 100%; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; }
h1, h2 { font-family: var(--serif); font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
.eyebrow { color: var(--teal-ink); font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: .8em; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 36em; }
.small { font-size: .9rem; color: var(--muted); }

.btn { display: inline-block; background: var(--teal); color: #fff; text-decoration: none; font-weight: 600;
  padding: .8em 1.3em; border-radius: 999px; border: 2px solid var(--teal); transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); background: var(--teal-ink); border-color: var(--teal-ink); }
.btn-alt { background: transparent; color: var(--teal-ink); }
.btn-alt:hover { background: transparent; }
.btn-sm { padding: .45em 1em; font-size: .9rem; }
.btn-light { background: #fff; color: var(--teal-deep); border-color: #fff; }
.btn-light:hover { background: #e6f7f5; border-color: #e6f7f5; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.4em 0 .8em; }

.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.brand img { border-radius: 50%; }
.links { display: flex; gap: 22px; margin-left: auto; }
.links a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.links a:hover { color: var(--teal-ink); }

.hero { padding: 72px 0 56px; }
.hero-in { display: grid; grid-template-columns: 1.25fr .85fr; gap: 56px; align-items: center; }
.hero-card { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 28px; box-shadow: 0 20px 50px -24px rgba(11,79,74,.35); }
.hc-tag { position: absolute; top: -12px; left: 24px; background: var(--amber); color: #fff; font-size: .75rem; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; }
.hc-row, .hc-total { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); }
.hc-row span, .hc-total span { color: var(--muted); }
.hc-total { border: 0; font-size: 1.35rem; }
.hc-total b { font-family: var(--serif); color: var(--teal-ink); }
.hc-note { font-size: .85rem; color: var(--muted); }
.hc-pill { display: inline-block; margin-top: 14px; background: color-mix(in srgb, var(--teal) 15%, transparent); color: var(--teal-ink);
  font-weight: 700; font-size: .8rem; padding: 4px 12px; border-radius: 999px; }

.stats { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.stats-in { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 28px 20px; }
.stats b { display: block; font-family: var(--serif); font-size: 1.5rem; }
.stats span { color: var(--muted); font-size: .92rem; }

section.problem, section.product, section.how { padding: 80px 0; }
.product.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }
.card .n { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--teal); color: #fff;
  font-weight: 700; margin-bottom: 12px; }
.two { display: grid; grid-template-columns: 1.2fr .8fr; gap: 56px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 1.2em 0 1.6em; }
.ticks li { position: relative; padding-left: 30px; margin-bottom: .8em; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 16px; height: 9px;
  border-left: 3px solid var(--teal); border-bottom: 3px solid var(--teal); transform: rotate(-45deg); }
.panel { background: var(--bg); border: 1px solid var(--line); border-radius: 20px; padding: 28px; }
.product.alt .panel { background: var(--bg); }
.steps-sm { margin: 0; padding-left: 1.2em; }
.steps-sm li { margin-bottom: .7em; }
.chat { display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; font-size: .95rem; }
.msg.in { background: var(--surface); border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; }
.msg.out { background: #d9fdd3; color: #12201f; align-self: flex-end; border-bottom-right-radius: 4px; }

.cta-band { background: var(--teal-deep); color: #fff; padding: 64px 0; }
.cta-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.cta-in h2 { margin: 0; color: #fff; }
.cta-in .ctas { margin: 0; }

.foot { padding: 40px 0; }
.foot-in { display: grid; grid-template-columns: 1fr auto; gap: 16px 40px; align-items: start; }
.foot-links { display: flex; gap: 22px; flex-wrap: wrap; }
.foot-links a { color: var(--ink); text-decoration: none; }
.foot .copy { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 16px; margin: 0; }

.page { padding: 72px 0 96px; }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.contact-grid .card a { font-weight: 600; word-break: break-word; }

@media (max-width: 860px) {
  .links { display: none; }
  .nav-in .btn { margin-left: auto; }
  .hero { padding: 48px 0 40px; }
  .hero-in, .two { grid-template-columns: 1fr; gap: 36px; }
  .stats-in, .grid3, .contact-grid { grid-template-columns: 1fr; }
  section.problem, section.product, section.how { padding: 56px 0; }
  .foot-in { grid-template-columns: 1fr; }
}
