:root {
  --cyan: #4eb4d2;
  --cyan-dark: #268eae;
  --pale: #eaf7fa;
  --ink: #28343d;
  --muted: #6b7780;
  --line: #d8e4e8;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 190px 1fr auto;
  align-items: center;
  gap: 32px;
  min-height: 88px;
  padding: 10px max(28px, calc((100vw - var(--max)) / 2));
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(40,52,61,.1);
  backdrop-filter: blur(14px);
}
.brand img { width: 150px; height: 66px; object-fit: cover; object-position: center; }
nav { display: flex; justify-content: center; gap: 34px; }
nav a { text-decoration: none; font-size: 14px; font-weight: 700; letter-spacing: .02em; }
nav a:hover { color: var(--cyan-dark); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  color: var(--white);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 3px;
  text-decoration: none;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); background: #17232b; }
.button-small { min-height: 44px; padding-inline: 18px; font-size: 14px; }
.button-full { width: 100%; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: 720px;
  width: 100%;
}
.hero-copy { min-width: 0; padding: clamp(72px, 7vw, 110px) clamp(40px, 6vw, 96px) 80px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 28px; color: var(--cyan-dark); font-size: 13px; font-weight: 900; letter-spacing: .14em; }
.eyebrow span { width: 38px; height: 3px; background: currentColor; }
.eyebrow.light { color: #8cdbed; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 680px; margin-bottom: 30px; font-size: clamp(3.35rem, 4.7vw, 4.75rem); }
h2 { margin-bottom: 28px; font-size: clamp(2.45rem, 4.6vw, 4.35rem); }
h3 { margin-bottom: 12px; font-size: 1.45rem; }
.hero-lead { max-width: 650px; margin: 0 0 38px; color: var(--muted); font-size: 1.28rem; line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 28px; }
.text-link { font-weight: 800; text-decoration: none; border-bottom: 2px solid var(--cyan); }
.microcopy { margin-top: 15px; color: var(--muted); font-size: 14px; }
.hero-visual { position: relative; display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: 52px 42px; overflow: hidden; background: var(--pale); }
.hero-visual::before { content: ""; position: absolute; inset: 22px; border: 1px solid rgba(38,142,174,.25); }
.feature-carousel { position: relative; width: 100%; min-height: 520px; }
.feature-slide { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; margin: 0; padding: 24px 20px; opacity: 0; animation: feature-cycle 24s infinite ease-in-out; }
.feature-slide:nth-child(2) { animation-delay: 6s; }
.feature-slide:nth-child(3) { animation-delay: 12s; }
.feature-slide:nth-child(4) { animation-delay: 18s; }
.feature-slide figcaption { position: relative; z-index: 1; margin-bottom: 28px; }
.feature-slide img { position: relative; width: 100%; max-height: 330px; object-fit: contain; mix-blend-mode: multiply; }
.visual-label { display: block; margin-bottom: 8px; color: var(--cyan-dark); font-size: 12px; font-weight: 900; letter-spacing: .13em; }
.visual-tagline { display: block; color: var(--ink); font-size: 18px; font-weight: 750; letter-spacing: -.01em; }
@keyframes feature-cycle {
  0%, 20% { opacity: 1; transform: translateY(0); }
  25%, 100% { opacity: 0; transform: translateY(12px); }
}

.signal-bar { display: grid; grid-template-columns: repeat(3, 1fr); max-width: var(--max); margin: -1px auto 0; border: 1px solid var(--line); }
.signal-bar div { position: relative; padding: 38px 42px; }
.signal-bar div + div { border-left: 1px solid var(--line); }
.signal-bar span { display: block; margin-bottom: 28px; color: var(--cyan-dark); font-size: 12px; font-weight: 900; }
.signal-bar strong { display: block; font-size: 1.2rem; }
.signal-bar p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

.section { padding: 120px max(28px, calc((100vw - var(--max)) / 2)); }
.section-heading { max-width: 820px; margin-bottom: 70px; }
.section-heading.narrow { max-width: 690px; }
.offer-layout { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 90px; align-items: start; }
.offer-copy .intro { margin-top: 0; color: var(--muted); font-size: 1.22rem; }
.check-list { list-style: none; padding: 0; margin: 48px 0 0; border-top: 1px solid var(--line); }
.check-list li { display: grid; grid-template-columns: 44% 1fr; gap: 30px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.check-list b { font-size: 1rem; }
.check-list span { color: var(--muted); font-size: 15px; }
.price-panel { position: sticky; top: 120px; padding: 42px; color: var(--white); background: var(--ink); }
.price-label { margin: 0 0 18px; color: #91deef; font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.price { font-size: 4.7rem; font-weight: 900; line-height: 1; letter-spacing: -.06em; }
.price-note { margin: 18px 0 30px; color: #c3cdd2; font-size: 14px; }
.price-panel .button { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.availability { display: flex; align-items: center; gap: 10px; margin: 24px 0 4px; font-size: 14px; font-weight: 800; }
.availability span { width: 9px; height: 9px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 0 5px rgba(78,180,210,.12); }
.email { margin: 0; color: #aebbc2; font-size: 13px; }

.process { color: var(--white); background: var(--ink); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: #52616a; }
.steps article { min-height: 300px; padding: 42px; background: var(--ink); }
.steps article > span { display: block; margin-bottom: 70px; color: var(--cyan); font-size: 13px; font-weight: 900; }
.steps p { color: #bdc9ce; }

.founder { display: grid; grid-template-columns: .82fr 1.18fr; gap: 110px; background: var(--pale); }
.founder-facts { display: flex; flex-direction: column; border-top: 1px solid rgba(38,142,174,.3); }
.founder-facts div { display: grid; grid-template-columns: 130px 1fr; align-items: center; padding: 34px 0; border-bottom: 1px solid rgba(38,142,174,.3); }
.founder-facts strong { color: var(--cyan-dark); font-size: 3.4rem; line-height: 1; }
.founder-facts span { color: var(--muted); font-size: 15px; }
.founder-copy p:not(.eyebrow) { color: var(--muted); }
.founder-copy .emphasis { color: var(--ink) !important; font-weight: 800; }
.signature { margin-top: 34px; color: var(--cyan-dark) !important; font-size: 1.45rem; font-weight: 900; }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; color: var(--white); background: var(--ink); }
.principles-copy p:not(.eyebrow) { color: #becacf; }
.principles-quote { display: flex; align-items: center; padding-left: 70px; border-left: 1px solid #50616a; }
blockquote { margin: 0; color: #8cdbed; font-size: clamp(1.7rem, 3vw, 2.8rem); line-height: 1.3; font-weight: 700; letter-spacing: -.025em; }

.faq-list { max-width: 920px; margin-left: auto; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 28px 52px 28px 0; cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 10px; color: var(--cyan-dark); font-size: 28px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { max-width: 720px; margin: 0; padding: 0 52px 28px 0; color: var(--muted); }

.final-cta { padding: 120px 28px; text-align: center; color: var(--white); background: var(--cyan-dark); }
.final-cta .eyebrow { justify-content: center; }
.final-cta h2 { max-width: 850px; margin: 0 auto 20px; }
.final-cta > p:not(.eyebrow) { margin: 0 0 34px; font-size: 1.15rem; }
.button-light { color: var(--ink); background: var(--white); border-color: var(--white); }
.email-link { display: block; margin-top: 24px; color: var(--white); font-weight: 800; }

.legal { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; padding: 90px max(28px, calc((100vw - var(--max)) / 2)); border-bottom: 1px solid var(--line); background: #f6f9fa; }
.legal h2 { margin-bottom: 0; font-size: clamp(2.2rem, 4vw, 3.5rem); }
.legal-copy { max-width: 640px; }
.legal-copy p { margin: 0 0 24px; }
.legal-copy a { color: var(--cyan-dark); }

footer { padding: 60px max(28px, calc((100vw - var(--max)) / 2)); color: var(--muted); background: #f6f9fa; font-size: 14px; }
footer img { width: 145px; height: 62px; object-fit: cover; margin-bottom: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 22px; margin: 32px 0; }
.footer-links a { color: var(--ink); font-weight: 700; }
footer small { color: #8c989e; }
.mobile-cta { display: none; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; padding-inline: 24px; }
  nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 82px 32px 65px; }
  .hero-visual { min-height: 430px; padding: 55px 30px; }
  .feature-carousel { min-height: 400px; }
  .signal-bar { margin-inline: 24px; }
  .offer-layout { grid-template-columns: 1fr; gap: 55px; }
  .price-panel { position: static; }
  .founder, .principles { grid-template-columns: 1fr; gap: 70px; }
  .legal { grid-template-columns: 1fr; gap: 40px; }
  .principles-quote { padding: 55px 0 0; border-left: 0; border-top: 1px solid #50616a; }
}

@media (max-width: 700px) {
  body { padding-bottom: 68px; font-size: 16px; }
  .site-header { min-height: 72px; }
  .brand img { width: 122px; height: 52px; }
  .site-header .button { display: none; }
  .hero-copy { padding-top: 62px; }
  h1 { font-size: 3.05rem; }
  h2 { font-size: 2.55rem; }
  .hero-lead { font-size: 1.1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 17px; }
  .hero-actions .text-link { align-self: flex-start; }
  .hero-visual { min-height: 360px; }
  .feature-carousel { min-height: 340px; }
  .feature-slide { padding-inline: 8px; }
  .feature-slide img { max-height: 230px; }
  .signal-bar { grid-template-columns: 1fr; }
  .signal-bar div + div { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding-block: 82px; }
  .section-heading { margin-bottom: 48px; }
  .check-list li { grid-template-columns: 1fr; gap: 7px; }
  .price-panel { padding: 34px 28px; }
  .steps { grid-template-columns: 1fr; }
  .steps article { min-height: auto; }
  .steps article > span { margin-bottom: 34px; }
  .founder { gap: 60px; }
  .founder-facts div { grid-template-columns: 100px 1fr; }
  .footer-links { flex-direction: column; gap: 10px; }
  .mobile-cta { position: fixed; left: 12px; right: 12px; bottom: 10px; z-index: 50; display: flex; align-items: center; justify-content: center; min-height: 52px; color: white; background: var(--ink); border-radius: 3px; text-decoration: none; font-weight: 900; box-shadow: 0 8px 30px rgba(18,31,39,.28); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
  .feature-slide { display: none; animation: none; }
  .feature-slide:first-child { display: flex; opacity: 1; transform: none; }
}