:root {
  --pool: #1290eb;
  --pool-deep: #0a4f8c;
  --pool-ink: #06263f;
  --foam: #e8f4fc;
  --sand: #f3f7fa;
  --ok: #1f9d55;
  --attn: #d97706;
  --act: #dc2626;
  --text: #0f2433;
  --muted: #4a6578;
  --line: rgba(10, 79, 140, 0.12);
  --radius: 18px;
  --font: "Sora", system-ui, sans-serif;
  --display: "Fraunces", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(18, 144, 235, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(10, 79, 140, 0.12), transparent 55%),
    linear-gradient(180deg, #f7fbfe 0%, var(--sand) 40%, #eef5fa 100%);
  line-height: 1.55;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: var(--pool-deep); }
code {
  font-size: 0.92em;
  background: rgba(18, 144, 235, 0.08);
  padding: 0.1em 0.35em;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: #fff;
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip:focus { left: 1rem; top: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(247, 251, 254, 0.78);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--pool-ink);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand img { border-radius: 9px; }
.site-header nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.site-header nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
}
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { color: var(--pool-ink); }

.hero {
  position: relative;
  min-height: min(92vh, 920px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(2rem, 6vw, 5rem) clamp(1.25rem, 4vw, 3rem) 4rem;
  overflow: hidden;
}
.hero-wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 18% 20%, rgba(18, 144, 235, 0.28), transparent 55%),
    radial-gradient(ellipse 55% 45% at 88% 30%, rgba(10, 79, 140, 0.18), transparent 50%),
    linear-gradient(180deg, transparent 55%, rgba(6, 38, 63, 0.05));
  pointer-events: none;
  animation: wash 14s ease-in-out infinite alternate;
}
.hero-caustic {
  position: absolute;
  inset: -10% -5%;
  background:
    repeating-linear-gradient(
      118deg,
      transparent 0 18px,
      rgba(255, 255, 255, 0.04) 18px 20px
    );
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 70%);
  pointer-events: none;
  opacity: 0.7;
  animation: caustic 18s linear infinite;
}
@keyframes wash {
  from { transform: scale(1) translateY(0); }
  to { transform: scale(1.05) translateY(-2%); }
}
@keyframes caustic {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-3%, 2%, 0); }
}
.hero-inner { position: relative; z-index: 1; max-width: 36rem; }
.brand-mark {
  font-family: var(--display);
  font-size: clamp(3.2rem, 8vw, 5.2rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  color: var(--pool-ink);
  margin: 0 0 0.65rem;
  line-height: 0.95;
  animation: rise 0.8s ease both;
}
.hero-line {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--pool-deep);
  line-height: 1.25;
  animation: rise 0.8s ease 0.08s both;
}
.lede {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 38ch;
  animation: rise 0.8s ease 0.16s both;
}
.hero-proof {
  margin: 1.15rem 0 0;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--muted);
  animation: rise 0.8s ease 0.3s both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  animation: rise 0.8s ease 0.24s both;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--pool), var(--pool-deep));
  color: #fff;
  box-shadow: 0 10px 28px rgba(18, 144, 235, 0.28);
}
.btn.ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--pool-ink);
  border: 1px solid var(--line);
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.phone-glow {
  position: absolute;
  width: min(340px, 78vw);
  height: min(340px, 78vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 144, 235, 0.35), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
}
.phone {
  position: relative;
  width: min(300px, 72vw);
  margin: 0;
  border-radius: 40px;
  padding: 10px;
  background: linear-gradient(160deg, #0d4575, #06263f);
  box-shadow:
    0 36px 70px rgba(6, 38, 63, 0.32),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}
.phone-shot {
  width: 100%;
  height: auto;
  border-radius: 30px;
  display: block;
}

.product-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  max-width: 1100px;
}
.product-copy .section-lede { margin-bottom: 1.25rem; }
.product-shot {
  margin: 0;
  justify-self: center;
  width: min(280px, 70vw);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(6, 38, 63, 0.18);
  border: 1px solid var(--line);
  background: #fff;
}
.product-shot img { width: 100%; height: auto; }

.band {
  padding: clamp(3rem, 8vw, 5.5rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 1100px;
  margin: 0 auto;
}
.band.alt {
  max-width: none;
  background: rgba(255, 255, 255, 0.55);
  border-block: 1px solid var(--line);
}
.band.alt > * { max-width: 1100px; margin-left: auto; margin-right: auto; }
.band h2 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  color: var(--pool-ink);
}
.section-lede {
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 40rem;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.steps li {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.steps .n {
  display: inline-flex;
  width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--foam);
  color: var(--pool-deep);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.steps h3, .grid-3 h3, .price-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}
.steps p, .grid-3 p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.grid-3 {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.grid-3 li {
  padding: 0.25rem 0;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}
.price-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  padding: 1.6rem;
}
.price-card.featured {
  background: linear-gradient(160deg, #0b5fa8, #083d6d);
  color: #fff;
  border: none;
  box-shadow: 0 18px 40px rgba(8, 61, 109, 0.28);
}
.price-card.featured a { color: #cfe9ff; }
.price-card.featured code { background: rgba(255, 255, 255, 0.12); color: #fff; }
.price {
  font-family: var(--display);
  font-size: 2.4rem;
  margin: 0.25rem 0 1rem;
  letter-spacing: -0.03em;
}
.price span { font-size: 1rem; font-family: var(--font); opacity: 0.8; }
.price-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: inherit;
}
.price-card.featured ul { color: rgba(255, 255, 255, 0.92); }
.price-card li { margin: 0.35rem 0; }
.fine { font-size: 0.85rem; color: var(--muted); margin: 1rem 0 0; }
.price-card.featured .fine { color: rgba(255, 255, 255, 0.75); }

.cta-band { text-align: center; }
.cta-band .section-lede { margin-left: auto; margin-right: auto; }

.site-footer {
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer strong { color: var(--pool-ink); margin-right: 0.5rem; }
.site-footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.site-footer a { text-decoration: none; font-weight: 500; }

.doc { max-width: 720px; margin: 0 auto; padding: 2.5rem clamp(1.25rem, 4vw, 2rem) 4rem; }
.doc-hero { margin-bottom: 2rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--pool);
  margin: 0 0 0.5rem;
}
.doc-hero h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
  color: var(--pool-ink);
}
.prose h2 {
  font-family: var(--display);
  font-size: 1.45rem;
  margin: 2.25rem 0 0.75rem;
  color: var(--pool-ink);
}
.prose p, .prose li { color: var(--text); }
.prose ul { padding-left: 1.2rem; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 2rem; gap: 2rem; }
  .hero-visual { order: -1; }
  .phone { width: min(220px, 58vw); }
  .product-band { grid-template-columns: 1fr; }
  .product-shot { width: min(240px, 62vw); order: -1; }
  .steps, .grid-3, .price-grid { grid-template-columns: 1fr; }
  .site-header {
    flex-wrap: wrap;
    row-gap: 0.65rem;
  }
  .site-header nav {
    display: flex;
    width: 100%;
    gap: 0.85rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.15rem;
  }
  .site-header nav a { font-size: 0.85rem; white-space: nowrap; }
}

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

/* —— Guides / checklist / legal (SEO pages) —— */
.guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.guide-list a {
  display: grid;
  gap: 0.35rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: padding-left 0.15s ease;
}
.guide-list a:hover { padding-left: 0.5rem; color: inherit; }
.guide-list .title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--pool-ink);
}
.guide-list .desc {
  font-size: 0.95rem;
  color: var(--muted);
}

.prose-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 2rem) 6rem;
}
.prose-wrap .kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--pool);
  margin: 0 0 0.75rem;
}
.prose-wrap h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 5vw, 2.85rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  color: var(--pool-ink);
}
.prose-wrap .lede {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: none;
}
.prose-wrap .meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 2rem;
}
.prose h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  margin: 1.8rem 0 0.5rem;
  color: var(--pool-ink);
}
.prose p { margin: 0 0 1.1rem; }
.prose ol { padding-left: 1.25rem; margin: 0 0 1.2rem; }
.prose strong { font-weight: 700; }

.cta-block {
  margin: 2.5rem 0;
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}
.cta-block p { margin: 0 0 1rem; color: var(--muted); }
.cta-block .btn { margin-right: 0.5rem; margin-bottom: 0.5rem; }

.check-card {
  margin: 1.25rem 0;
  padding: 1.25rem 1.2rem;
  border-left: 3px solid var(--pool);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.check-card h3 {
  font-family: var(--display);
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  color: var(--pool-ink);
}
.check-card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: none;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: rgba(247, 251, 254, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
}
.sticky-cta .btn { width: 100%; }

.support-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin: 1.25rem 0;
}

@media (max-width: 720px) {
  .sticky-cta { display: block; }
  .prose-wrap { padding-bottom: 7rem; }
}