:root {
  --navy: #060e1c;
  --navy2: #0a1628;
  --navy3: #0d1e38;
  --card: #0f2040;
  --card2: #102442;
  --teal: #3dd6c8;
  --blue: #5ba8f5;
  --gold: #f5c842;
  --text: #eef4ff;
  --light: #a8bfd4;
  --muted: #6a8099;
  --border: rgba(61, 214, 200, 0.15);
  --serif: 'Instrument Serif', serif;
  --sans: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
}
a { color: inherit; }
button, input { font: inherit; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 12px max(22px, calc((100vw - 1180px) / 2));
  background: rgba(6, 14, 28, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 750; font-size: 19px; text-decoration: none; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 25px; }
.nav-links a { color: var(--light); font-size: 14px; font-weight: 600; text-decoration: none; }
.nav-links a[aria-current='page'], .nav-links a:hover { color: var(--teal); }
.nav-cta, .button-primary, .button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
}
.nav-cta { padding: 8px 18px; background: var(--teal); color: var(--navy); font-size: 13px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 104px 24px 82px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 60% 65% at 50% -12%, rgba(61, 214, 200, 0.14), transparent 72%),
    radial-gradient(ellipse 40% 50% at 90% 70%, rgba(91, 168, 245, 0.08), transparent 70%);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .35;
  background-image: linear-gradient(rgba(61,214,200,.05) 1px,transparent 1px), linear-gradient(90deg,rgba(61,214,200,.05) 1px,transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}
.hero-inner, .page-shell, .footer-inner { width: min(1180px, 100%); margin: 0 auto; }
.hero-inner { position: relative; z-index: 1; max-width: 900px; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid rgba(61,214,200,.24);
  border-radius: 999px;
  color: var(--teal);
  background: rgba(61,214,200,.07);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2 { font-family: var(--serif); font-weight: 400; letter-spacing: -.02em; }
h1 { margin: 22px 0 14px; font-size: clamp(49px, 8vw, 82px); line-height: .98; }
h1 em, h2 em { color: var(--teal); font-style: italic; }
.hero-copy { max-width: 700px; margin: 0 auto; color: var(--light); font-size: clamp(16px, 2vw, 19px); }
.hero-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button-primary, .button-secondary { min-height: 48px; padding: 0 25px; font-size: 14px; }
.button-primary { background: var(--teal); color: var(--navy); box-shadow: 0 10px 35px rgba(61,214,200,.2); }
.button-secondary { border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.05); color: var(--text); }

.page-shell { display: grid; grid-template-columns: 235px minmax(0, 1fr); gap: 56px; padding: 68px 24px 100px; }
.toc { position: sticky; top: 94px; align-self: start; }
.toc-title { margin-bottom: 12px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.toc a { display: block; padding: 7px 0; color: var(--light); font-size: 13px; text-decoration: none; }
.toc a:hover { color: var(--teal); }
.guide-content { min-width: 0; }
.guide-section { scroll-margin-top: 90px; padding: 0 0 76px; }
.guide-section + .guide-section { padding-top: 72px; border-top: 1px solid var(--border); }
.section-kicker { color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h2 { margin: 8px 0 15px; font-size: clamp(34px, 5vw, 52px); line-height: 1.05; }
h3 { margin: 0 0 8px; font-size: 17px; line-height: 1.35; }
p { margin: 0; color: var(--light); }
.section-lead { max-width: 720px; margin-bottom: 30px; font-size: 17px; }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 23px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(17,38,70,.95), rgba(11,26,48,.95));
}
.card-icon { margin-bottom: 12px; font-size: 25px; }
.card p, .card li { color: var(--light); font-size: 14px; }
.card ul { margin: 12px 0 0; padding-left: 18px; }
.card li + li { margin-top: 6px; }
.number-card { padding-left: 66px; }
.step-number {
  position: absolute;
  top: 22px;
  left: 22px;
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border: 1px solid rgba(61,214,200,.35);
  border-radius: 50%;
  background: rgba(61,214,200,.1);
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}
.tag { display: inline-flex; padding: 2px 8px; border-radius: 5px; font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.tag.pro { border: 1px solid rgba(245,200,66,.35); background: rgba(245,200,66,.1); color: var(--gold); }
.tag.free { border: 1px solid rgba(61,214,200,.25); background: rgba(61,214,200,.08); color: var(--teal); }

.notice {
  margin: 24px 0;
  padding: 17px 19px;
  border-left: 3px solid var(--teal);
  border-radius: 0 12px 12px 0;
  background: rgba(61,214,200,.07);
  color: var(--light);
  font-size: 14px;
}
.notice strong { color: var(--text); }
.notice.warning { border-left-color: var(--gold); background: rgba(245,200,66,.07); }

.comparison { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 14px; }
.comparison th, .comparison td { padding: 14px 16px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; }
.comparison th { background: rgba(61,214,200,.07); color: var(--text); }
.comparison td { color: var(--light); }
.comparison tr:last-child td { border-bottom: 0; }

.screen-layout { display: grid; grid-template-columns: minmax(280px, .86fr) minmax(0, 1.14fr); gap: 28px; align-items: center; }
.app-screen {
  width: min(100%, 390px);
  margin: 0 auto;
  padding: 20px;
  border: 8px solid #030711;
  border-radius: 34px;
  background: #071322;
  box-shadow: 0 28px 70px rgba(0,0,0,.45);
}
.screen-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: 19px; font-weight: 750; }
.screen-refresh { color: var(--blue); }
.screen-panel { margin-bottom: 12px; padding: 16px; border: 1px solid rgba(91,168,245,.2); border-radius: 14px; background: rgba(255,255,255,.035); }
.screen-panel.teal { border-color: rgba(61,214,200,.35); background: rgba(61,214,200,.07); }
.screen-row { display: flex; align-items: center; gap: 12px; }
.screen-row + .screen-row { margin-top: 13px; padding-top: 13px; border-top: 1px solid rgba(255,255,255,.07); }
.screen-boat { display: grid; width: 45px; height: 45px; place-items: center; flex: 0 0 auto; border-radius: 50%; background: #fff; color: #203d64; font-size: 24px; }
.screen-main { min-width: 0; flex: 1; }
.screen-main strong { display: block; font-size: 14px; }
.screen-main span { display: block; color: var(--muted); font-size: 11px; }
.switch { width: 48px; height: 27px; padding: 3px; border-radius: 99px; background: #4ade80; }
.switch::after { content: ''; display: block; width: 21px; height: 21px; margin-left: 21px; border-radius: 50%; background: white; }
.code { color: var(--teal); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 24px; font-weight: 800; letter-spacing: .05em; }
.screen-button { margin: 12px 0; padding: 12px; border-radius: 11px; background: var(--teal); color: var(--navy); text-align: center; font-size: 13px; font-weight: 800; }
.screen-label { margin: 15px 2px 8px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.feature-list { display: grid; gap: 16px; }
.feature-line { display: grid; grid-template-columns: 35px 1fr; gap: 12px; align-items: start; }
.feature-line .mini-icon { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 10px; background: rgba(61,214,200,.09); }
.feature-line p { font-size: 14px; }

.status-rail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 22px; }
.status { padding: 17px; border: 1px solid var(--border); border-radius: 13px; background: rgba(255,255,255,.03); }
.status strong { display: block; margin-bottom: 5px; font-size: 13px; }
.status p { font-size: 12px; }
.marker-demo { display: flex; align-items: center; gap: 15px; margin: 15px 0 0; }
.marker { display: grid; width: 52px; height: 52px; place-items: center; flex: 0 0 auto; border: 5px solid rgba(61,214,200,.6); border-radius: 50%; background: white; font-size: 27px; }
.marker.faded { opacity: .45; filter: saturate(.35); }

.workflow {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.workflow + .workflow { margin-top: 14px; }
.workflow-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(61,214,200,.24);
  border-radius: 15px;
  background: rgba(61,214,200,.08);
  font-size: 25px;
}
.workflow ol { margin: 12px 0 0; padding-left: 20px; color: var(--light); font-size: 14px; }
.workflow li + li { margin-top: 8px; }

.boat-input-demo {
  margin: 7px 0 13px;
  padding: 11px 12px;
  border: 1px solid rgba(91,168,245,.25);
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-size: 12px;
}
.boat-picker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.boat-option {
  position: relative;
  padding: 7px 2px 6px;
  border: 2px solid transparent;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  text-align: center;
}
.boat-option.selected { border-color: var(--teal); background: rgba(61,214,200,.12); }
.boat-avatar {
  display: grid;
  width: 38px;
  height: 38px;
  margin: 0 auto;
  place-items: center;
  border-radius: 50%;
  background: #e8f0f8;
  color: #234765;
}
.boat-avatar svg, .screen-boat svg { display: block; }
.boat-option small { display: block; margin-top: 4px; color: var(--muted); font-size: 8px; line-height: 1.1; }
.pro-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  padding: 2px 4px;
  border-radius: 4px;
  background: var(--gold);
  color: var(--navy);
  font-size: 6px;
  font-weight: 900;
}
.swatch-row { display: flex; flex-wrap: wrap; gap: 9px; padding: 3px; }
.swatch {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 2px solid transparent;
  border-radius: 50%;
  box-shadow: 0 0 0 3px #e8f0f8;
  color: white;
  font-size: 12px;
  font-weight: 900;
}
.swatch.selected { box-shadow: 0 0 0 3px #e8f0f8, 0 0 0 5px rgba(61,214,200,.8); }
.finish-title { display: flex; justify-content: space-between; align-items: center; }
.finish-title .tag { font-size: 7px; }
.finish-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.finish-choice {
  position: relative;
  min-height: 56px;
  padding: 7px 4px;
  border: 2px solid transparent;
  border-radius: 9px;
  background: rgba(255,255,255,.04);
  text-align: center;
}
.finish-choice.selected { border-color: var(--teal); background: rgba(61,214,200,.12); }
.finish-choice .swatch { width: 29px; height: 29px; margin: 0 auto 5px; box-shadow: 0 0 0 2px #e8f0f8; }
.finish-choice small { display: block; color: var(--muted); font-size: 7px; }
.finish-camo { background: linear-gradient(135deg,#4b5d3a 0 25%,#8a7650 25% 43%,#263a2d 43% 67%,#b4a270 67%); }
.finish-tie { background: conic-gradient(from 40deg,#19cfc5,#8b5cf6,#f97316,#ec4899,#19cfc5); }
.finish-sunset { background: linear-gradient(135deg,#fbbf24,#f97316 48%,#db2777); }
.finish-wave { background: repeating-linear-gradient(145deg,#0b3a66 0 6px,#1687c9 6px 11px,#55d8e6 11px 14px); }
.finish-carbon { background: repeating-linear-gradient(135deg,#151b24 0 4px,#46505c 4px 8px,#232a34 8px 12px); }
.finish-glow { background: linear-gradient(135deg,#21f0d6,#16a7db 52%,#2857d9); }

.faq { border-top: 1px solid var(--border); }
.faq details { padding: 18px 0; border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; color: var(--text); font-size: 15px; font-weight: 750; }
.faq p { padding-top: 10px; font-size: 14px; }

.cta-panel { padding: 34px; border: 1px solid rgba(61,214,200,.28); border-radius: 20px; background: linear-gradient(135deg, rgba(61,214,200,.12), rgba(91,168,245,.07)); text-align: center; }
.cta-panel h2 { margin-top: 0; font-size: 38px; }

.site-footer { padding: 55px 24px 38px; border-top: 1px solid var(--border); text-align: center; }
.footer-brand { color: var(--teal); font-size: 18px; font-weight: 800; }
.footer-copy { margin: 8px 0 22px; color: var(--muted); font-family: var(--serif); font-style: italic; }
.footer-links { display: flex; justify-content: center; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 12px; text-decoration: none; }
.footer-links a:hover { color: var(--teal); }

@media (max-width: 900px) {
  .page-shell { grid-template-columns: 1fr; gap: 30px; }
  .toc { position: static; display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
  .toc-title { display: none; }
  .toc a { flex: 0 0 auto; padding: 7px 12px; border: 1px solid var(--border); border-radius: 999px; }
  .screen-layout { grid-template-columns: 1fr; }
  .card-grid.three { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 650px) {
  .site-nav { padding-inline: 17px; }
  .nav-links { display: none; }
  .hero { padding: 77px 20px 62px; }
  .page-shell { padding: 45px 18px 75px; }
  .card-grid, .card-grid.three, .status-rail { grid-template-columns: 1fr; }
  .comparison { display: block; overflow-x: auto; }
  .guide-section { padding-bottom: 57px; }
  .guide-section + .guide-section { padding-top: 54px; }
}