:root {
  --graphite: #10151b;
  --graphite-soft: #161d25;
  --surface: #1b242e;
  --surface-raised: #202b36;
  --warm-white: #f7f3eb;
  --muted: #aab5c2;
  --blue: #78b5ff;
  --blue-strong: #519dff;
  --line: rgba(247, 243, 235, 0.14);
  --line-strong: rgba(120, 181, 255, 0.38);
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.24);
}

* { box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--warm-white);
  background: var(--graphite);
  font: 18px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 4px;
}
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 30;
  transform: translateY(-200%);
  padding: 0.7rem 1rem;
  color: var(--graphite);
  background: var(--warm-white);
}
.skip-link:focus { transform: none; }

.site-header {
  width: min(1240px, calc(100% - 3rem));
  min-height: 88px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  flex: 0 0 auto;
  font-size: 1rem;
  font-weight: 760;
  letter-spacing: -0.02em;
  text-decoration: none;
}
.site-nav, .footer-links {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.5rem);
}
.site-nav a, .footer-links a {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.015em;
  text-decoration: none;
  white-space: nowrap;
}
.site-nav a:hover, .site-nav a[aria-current="page"], .footer-links a:hover { color: var(--warm-white); }

main { overflow: hidden; }
.hero, .section, .closing {
  width: min(1160px, calc(100% - 3rem));
  margin-inline: auto;
}
.hero {
  position: relative;
  min-height: min(820px, calc(100vh - 88px));
  padding: clamp(5.5rem, 11vw, 9rem) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.hero::after {
  content: "";
  position: absolute;
  top: 15%;
  right: -18%;
  width: min(44rem, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(81, 157, 255, 0.16), rgba(81, 157, 255, 0) 70%);
  pointer-events: none;
  z-index: -1;
}
.hero-home { max-width: 1040px; }
.hero-compact { min-height: auto; padding-block: clamp(4.5rem, 9vw, 7rem); }
.hero:has(.price-options) { padding-block: clamp(3rem, 7vw, 5rem); }
.kicker {
  margin: 0 0 1rem;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
h1, h2, h3 { margin-top: 0; letter-spacing: -0.04em; line-height: 1.04; }
h1 { margin-bottom: 1.6rem; font-size: clamp(4rem, 8.8vw, 7rem); max-width: 13ch; }
.product-name { font-size: clamp(5rem, 10vw, 7rem); max-width: none; }
.hero-promise { margin-bottom: 1.25rem; font-size: clamp(2.35rem, 4.6vw, 3.5rem); max-width: 15ch; }
h2 { margin-bottom: 1.25rem; font-size: clamp(2.15rem, 4.2vw, 3.15rem); max-width: 18ch; }
h3 { margin-bottom: 0.8rem; font-size: clamp(1.35rem, 2.2vw, 1.7rem); }
.lead { max-width: 42rem; margin: 0; color: var(--warm-white); font-size: clamp(1.18rem, 2vw, 1.38rem); line-height: 1.5; }
.hero-copy { max-width: 43rem; margin: 1.15rem 0 0; color: var(--muted); }
.stacked-lines { margin: 1.5rem 0 0; color: var(--muted); }
.stacked-lines span { display: block; }

.button-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.8rem; }
.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.button:hover { transform: translateY(-2px); border-color: var(--blue); }
.button-primary { color: #07111d; background: var(--blue); border-color: var(--blue); }
.button-primary:hover { background: var(--blue-strong); }
.button-secondary { color: var(--warm-white); background: transparent; }

.section { padding: clamp(5rem, 10vw, 8rem) 0; border-top: 1px solid var(--line); }
.section-full {
  width: 100%;
  max-width: none;
  padding-inline: max(1.5rem, calc((100% - 1160px) / 2));
  background: var(--graphite-soft);
}
.section-heading { max-width: 48rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section-heading p, .section-copy, .card p, .section li { color: var(--muted); }
.statement { max-width: 880px; }
.statement h2 { max-width: 20ch; }
.statement .answer { color: var(--blue); }
.human-copy { max-width: 44rem; }
.human-copy p { margin: 0 0 1.1rem; }

.grid-2, .grid-3, .grid-4 { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}
.card-emphasis { border-color: var(--line-strong); background: var(--surface-raised); box-shadow: var(--shadow); }
.card .button { margin-top: 1rem; }
.plain-list { margin: 1.25rem 0 0; padding-left: 1.2rem; }
.plain-list li { margin-bottom: 0.55rem; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.steps li {
  position: relative;
  padding: 1.5rem 0 1.5rem 3.75rem;
  border-top: 1px solid var(--line);
  counter-increment: steps;
}
.steps li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 1.4rem;
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 800;
}
.price-options { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.price-option { min-width: min(100%, 17rem); padding: 1.15rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.price-option strong { display: block; font-size: 1.1rem; }
.price-option span { color: var(--blue); font-size: 1.55rem; font-weight: 800; }
.price { margin: 1rem 0 0; color: var(--warm-white); font-size: clamp(2.8rem, 5vw, 4rem); font-weight: 780; letter-spacing: -0.05em; line-height: 1; }

.closing { padding: clamp(6rem, 12vw, 10rem) 0; }
.closing h2 { max-width: 20ch; }
.form-shell { max-width: 820px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field-wide { grid-column: 1 / -1; }
label { font-size: 0.84rem; font-weight: 760; }
input, textarea, select {
  width: 100%;
  padding: 0.9rem;
  color: var(--warm-white);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  font: inherit;
}
select option { color: #111; background: #fff; }
textarea { min-height: 140px; resize: vertical; }
.form-note { padding: 1rem; color: var(--muted); border-left: 3px solid var(--blue); background: rgba(120, 181, 255, 0.08); }
button.button { cursor: pointer; }
.state-panel { display: none; }
.state-panel[data-visible="true"] { display: block; }

.site-footer { padding: 3.5rem max(1.5rem, calc((100% - 1160px) / 2)); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 2fr; gap: 2rem; align-items: start; }
.site-footer p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.tagline { margin-top: 2.5rem !important; padding-top: 1.4rem; border-top: 1px solid var(--line); color: var(--warm-white) !important; }
.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; }

@media (max-width: 900px) {
  .site-header { width: calc(100% - 2rem); min-height: auto; padding-block: 1rem; flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .site-nav { width: 100%; padding-bottom: 0.35rem; overflow-x: auto; }
  .hero, .section, .closing { width: min(100% - 2rem, 1160px); }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 17px; }
  .hero { min-height: auto; padding-block: 5.5rem; }
  h1 { font-size: clamp(3.25rem, 14vw, 4rem); }
  .product-name { font-size: clamp(3.25rem, 15vw, 3.85rem); }
  .hero-promise { font-size: clamp(1.9rem, 9vw, 2.25rem); }
  h2 { font-size: clamp(1.8rem, 8vw, 2.2rem); }
  .grid-2, .grid-3, .grid-4, .form-grid { grid-template-columns: 1fr; }
  .field-wide { grid-column: auto; }
  .button-row, .button-row .button, .price-options, .price-option { width: 100%; }
  .footer-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}