:root {
  color-scheme: light;
  --ink: #102a33;
  --ink-2: #1b3b43;
  --muted: #5e7478;
  --paper: #f7faf7;
  --white: #ffffff;
  --aqua: #00d6a3;
  --aqua-dark: #00664d;
  --lime: #c7f35b;
  --sand: #f1ede2;
  --line: rgba(16, 42, 51, .14);
  --shadow: 0 24px 80px rgba(8, 35, 40, .16);
  --radius: 28px;
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }
::selection { color: var(--ink); background: var(--lime); }

.skip-link {
  position: fixed; inset: 12px auto auto 12px; z-index: 200;
  padding: .7rem 1rem; border-radius: 999px; background: var(--white);
  transform: translateY(-160%); transition: transform .2s ease;
}
.skip-link:focus { transform: none; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.visually-hidden {
  position: absolute !important; width: 1px !important; height: 1px !important;
  padding: 0 !important; margin: -1px !important; overflow: hidden !important;
  clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important;
}
.section { padding: clamp(72px, 9vw, 132px) 0; }
.section-sm { padding: clamp(46px, 6vw, 84px) 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem; margin: 0 0 1rem;
  color: var(--aqua-dark); font-size: .76rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3 { line-height: .99; letter-spacing: -.045em; text-wrap: balance; }
h1 { font-size: clamp(3.25rem, 8.2vw, 7.8rem); }
h2 { font-size: clamp(2.4rem, 5.4vw, 5.2rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 2rem); }
.lede { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.28rem); line-height: 1.6; }
.muted { color: var(--muted); }
.accent { color: var(--aqua-dark); }
.button {
  display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: .65rem;
  border: 1px solid transparent; border-radius: 999px; padding: .82rem 1.25rem;
  color: var(--ink); background: var(--aqua); font-weight: 850; line-height: 1;
  cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); background: var(--lime); box-shadow: 0 12px 35px rgba(0, 214, 163, .24); }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { color: var(--ink); background: var(--lime); }
.button-light { color: var(--white); border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.08); backdrop-filter: blur(10px); }
.button-light:hover { color: var(--ink); background: var(--white); }
.button-outline { border-color: var(--line); background: transparent; }
.button-outline:hover { background: var(--white); box-shadow: none; }
.button-block { width: 100%; }
.text-link { display: inline-flex; align-items: center; gap: .45rem; font-weight: 800; }
.text-link::after { content: "\2192"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(5px); }

.site-header {
  position: fixed; z-index: 100; top: 0; left: 0; right: 0; height: 82px;
  color: var(--white); transition: background .25s ease, box-shadow .25s ease, color .25s ease;
}
.site-header.is-scrolled, .site-header.solid { color: var(--ink); background: rgba(247,250,247,.94); box-shadow: 0 8px 36px rgba(11,44,51,.08); backdrop-filter: blur(18px); }
.nav { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.logo { width: 188px; flex: 0 0 auto; }
.logo img { width: 188px; height: auto; }
.site-header.is-scrolled .logo img, .site-header.solid .logo img { filter: brightness(0) saturate(100%) invert(15%) sepia(14%) saturate(1815%) hue-rotate(146deg) brightness(94%); }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); font-size: .82rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.nav-links a:not(.button) { position: relative; }
.nav-links a:not(.button)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--aqua); transition: right .2s ease; }
.nav-links a:hover::after { right: 0; }
.cart-link { display: inline-flex; align-items: center; gap: .45rem; }
.cart-count { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; color: var(--ink); background: var(--lime); font-size: .68rem; }
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid currentColor; border-radius: 50%; color: inherit; background: transparent; cursor: pointer; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 18px; height: 2px; margin: 4px auto; background: currentColor; transition: .2s ease; }

.hero {
  position: relative; min-height: min(920px, 100svh); display: grid; align-items: end;
  overflow: hidden; color: var(--white); background: #073d3d;
}
.hero-media { position: absolute; inset: 0; }
.hero-media picture { position: absolute; inset: 0; display: block; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,25,31,.9) 0%, rgba(3,25,31,.55) 44%, rgba(3,25,31,.12) 78%), linear-gradient(0deg, rgba(3,22,27,.9), transparent 55%); }
.hero-media img, .hero-media video { width: 100%; height: 100%; object-fit: cover; }
.hero-media video { position: absolute; inset: 0; opacity: 0; transition: opacity .5s ease; }
.hero-media.is-playing video { opacity: 1; }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .65fr; gap: 4vw; align-items: end; padding: 140px 0 clamp(56px, 8vw, 96px); }
.hero-copy { max-width: 810px; }
.hero h1 { margin-bottom: 1.1rem; font-weight: 900; perspective: 900px; }
.hero h1 .h1-wave { display: inline-block; color: inherit; transform-origin: 50% 70%; animation: water-word 6.5s ease-in-out infinite; }
.hero h1 .accent-word { color: var(--aqua); }
.hero h1 .h1-wave-2 { animation-delay: -.9s; }
.hero h1 .h1-wave-3 { animation-delay: -1.8s; }
.hero h1 .h1-wave-4 { animation-delay: -2.7s; }
.hero .lede { max-width: 660px; color: rgba(255,255,255,.82); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero-kicker { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.25rem; font-size: .78rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.hero-kicker::before { content: ""; width: 42px; height: 2px; background: var(--aqua); }
.play-button {
  position: relative; display: flex; width: fit-content; min-width: min(100%, 410px); align-items: center; gap: .9rem;
  border: 1px solid rgba(255,255,255,.38); border-radius: 999px; padding: .6rem 1.15rem .6rem .6rem;
  color: var(--white); background: rgba(2,30,35,.58); box-shadow: 0 12px 35px rgba(0,0,0,.18);
  backdrop-filter: blur(12px); text-align: left; cursor: pointer; transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.play-button:hover { transform: translateY(-2px); border-color: var(--aqua); background: rgba(2,30,35,.78); }
.play-icon { position: relative; display: grid; place-items: center; width: 54px; height: 54px; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 0 rgba(0,214,163,.42); }
.play-icon::before { content: ""; margin-left: 3px; border-width: 7px 0 7px 11px; border-style: solid; border-color: transparent transparent transparent white; }
.play-icon::after { content: ""; position: absolute; inset: -8px; border: 1px solid rgba(0,214,163,.72); border-radius: 50%; animation: sonar-pulse 2.4s ease-out infinite; }
.play-button strong { display: block; font-size: .92rem; letter-spacing: .015em; }
.play-button small { display: block; color: rgba(255,255,255,.7); font-size: .72rem; }
.hero-proof { align-self: end; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); padding: 1.25rem; background: rgba(2,30,35,.5); backdrop-filter: blur(18px); animation: card-float 7s ease-in-out infinite; }
.hero-proof-top { display: flex; gap: 1rem; align-items: center; }
.hero-proof img { width: 96px; aspect-ratio: 1; border-radius: 18px; object-fit: cover; background: white; }
.hero-proof-label { display: block; margin-bottom: .15rem; color: rgba(255,255,255,.68); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.hero-proof .price { display: block; font-size: 1.65rem; font-weight: 900; line-height: 1; }
.hero-proof ul { display: grid; gap: .45rem; margin: 1rem 0 1.2rem; padding: 0; list-style: none; font-size: .88rem; color: rgba(255,255,255,.8); }
.hero-proof li::before { content: "\2713"; margin-right: .55rem; color: var(--aqua); font-weight: 900; }

.trust-strip { padding: .6rem 0; color: var(--white); background: var(--ink); }
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: .55rem; }
.trust-item { display: flex; min-width: 0; align-items: center; gap: .75rem; padding: .85rem 1rem; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; background: rgba(255,255,255,.045); text-align: left; }
.trust-item:last-child { border-right: 1px solid rgba(255,255,255,.1); }
.trust-icon { display: grid; place-items: center; width: 42px; height: 42px; flex: 0 0 auto; border-radius: 13px; color: var(--aqua); background: rgba(0,214,163,.12); animation: trust-bob 5.4s ease-in-out infinite; }
.trust-item:nth-child(2) .trust-icon { animation-delay: -.8s; }
.trust-item:nth-child(3) .trust-icon { animation-delay: -1.6s; }
.trust-item:nth-child(4) .trust-icon { animation-delay: -2.4s; }
.trust-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.trust-copy { min-width: 0; }
.trust-copy strong, .trust-copy small { display: block; }
.trust-copy strong { color: var(--white); font-size: .82rem; font-weight: 900; line-height: 1.15; }
.trust-copy small { margin-top: .18rem; color: rgba(255,255,255,.58); font-size: .66rem; line-height: 1.25; }

.split-heading { display: grid; grid-template-columns: 1.08fr .72fr; gap: 8vw; align-items: end; margin-bottom: 3.5rem; }
.split-heading h2 { margin-bottom: 0; }
.split-heading .lede { margin-bottom: .25rem; }
.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.problem-card { position: relative; min-height: 520px; overflow: hidden; border-radius: var(--radius); }
.problem-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.problem-card:hover img { transform: scale(1.035); }
.problem-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(7,35,41,.86), transparent 72%); }
.problem-copy { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: clamp(1.5rem,4vw,3rem); color: var(--white); }
.problem-copy .tag { display: inline-flex; margin-bottom: .8rem; border-radius: 999px; padding: .35rem .65rem; color: var(--ink); background: var(--lime); font-size: .7rem; font-weight: 900; text-transform: uppercase; }

.tech-section { position: relative; overflow: hidden; color: var(--white); background: var(--aqua-dark); }
.tech-section::before { content: ""; position: absolute; width: 540px; height: 540px; top: -200px; right: -100px; border: 100px solid rgba(255,255,255,.04); border-radius: 50%; }
.tech-grid { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 6vw; align-items: center; }
.tech-visual { position: relative; min-height: 620px; overflow: hidden; border-radius: var(--radius); background: var(--white); }
.tech-visual > img { width: 100%; height: 620px; object-fit: cover; object-position: center; border-radius: var(--radius); transform: scale(1.15); transform-origin: center; }
.patent-badge { --patent-rotation: -8deg; position: absolute; z-index: 2; top: 18px; left: 18px; display: grid; place-items: center; width: 110px; height: 110px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; color: var(--white); background: var(--ink); box-shadow: 0 15px 42px rgba(7,31,39,.28); font-size: .65rem; font-weight: 900; letter-spacing: .12em; text-align: center; text-transform: uppercase; transform: rotate(var(--patent-rotation)); will-change: transform; }
.tech-copy .eyebrow { color: var(--lime); }
.tech-copy h2 { max-width: 700px; }
.tech-copy > p { color: rgba(255,255,255,.76); }
.feature-list { display: grid; gap: .85rem; margin-top: 2rem; }
.feature { display: grid; grid-template-columns: 46px 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid rgba(255,255,255,.18); }
.feature-num { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: var(--ink); background: var(--lime); font-size: .8rem; font-weight: 900; }
.feature h3 { margin: .15rem 0 .25rem; font-size: 1.05rem; letter-spacing: -.02em; }
.feature p { margin: 0; color: rgba(255,255,255,.82); font-size: .9rem; }

.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.step { counter-increment: step; min-height: 310px; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.step::before { content: "0" counter(step); display: block; margin-bottom: 4.5rem; color: var(--aqua-dark); font-size: .78rem; font-weight: 900; letter-spacing: .1em; }
.step h3 { margin-bottom: .65rem; }
.step p { color: var(--muted); }
.diagram { margin-top: 1.25rem; padding: 1.5rem; border-radius: var(--radius); background: var(--sand); }
.diagram img { width: 100%; max-height: 420px; object-fit: contain; }

.results { color: var(--white); background: var(--ink); }
.results .muted { color: rgba(255,255,255,.72); }
.results .eyebrow { color: var(--aqua); }
.stats { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid rgba(255,255,255,.15); }
.stat { padding: 2.2rem; border-right: 1px solid rgba(255,255,255,.15); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; color: var(--aqua); font-size: clamp(2.5rem,5vw,4.8rem); line-height: 1; letter-spacing: -.05em; }
.stat span { color: rgba(255,255,255,.68); }
.use-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin-top: 3rem; }
.use-card { overflow: hidden; border-radius: var(--radius); background: rgba(255,255,255,.06); }
.use-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.use-card div { padding: 1.25rem; }
.use-card h3 { margin-bottom: .35rem; font-size: 1.25rem; }
.use-card p { margin: 0; color: rgba(255,255,255,.65); font-size: .9rem; }

.shop-feature { background: var(--sand); }
.shop-feature .lede { color: #486065; }
.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.product-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border-radius: 24px; background: var(--white); box-shadow: 0 12px 36px rgba(16,42,51,.06); transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); }
.product-media { position: relative; overflow: hidden; aspect-ratio: 1; background: #edf0ee; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-card:hover .product-media img { transform: scale(1.03); }
.product-badge { position: absolute; top: 13px; left: 13px; border-radius: 999px; padding: .35rem .6rem; color: var(--ink); background: var(--lime); font-size: .68rem; font-weight: 900; text-transform: uppercase; }
.product-info { display: flex; flex: 1; flex-direction: column; padding: 1.25rem; }
.product-info h3 { margin-bottom: .4rem; font-size: 1.22rem; line-height: 1.1; letter-spacing: -.025em; }
.product-info p { color: var(--muted); font-size: .86rem; }
.product-foot { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-top: auto; }
.price { font-weight: 900; }
.icon-button { display: grid; place-items: center; width: 44px; height: 44px; border: 0; border-radius: 50%; color: var(--ink); background: var(--aqua); font-weight: 900; cursor: pointer; transition: .2s ease; }
.icon-button:hover { background: var(--lime); transform: rotate(7deg) scale(1.05); }
.mini-visual { display: grid; place-items: center; width: 100%; height: 100%; color: var(--aqua-dark); background: linear-gradient(145deg,#edf4ef,#dcebe3); }
.mini-visual svg { width: 58%; max-height: 58%; }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 1rem; padding: 1.4rem .2rem; font-size: 1.08rem; font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--aqua-dark); font-size: 1.5rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "\2212"; }
.faq-answer { max-width: 820px; padding: 0 .2rem 1.5rem; color: var(--muted); }

.cta-band { position: relative; overflow: hidden; padding: clamp(64px,8vw,110px) 0; color: var(--white); background: var(--aqua-dark); }
.cta-band::after { content: "LURES BACK"; position: absolute; right: -1vw; bottom: -5vw; color: rgba(255,255,255,.05); font-size: clamp(6rem,18vw,18rem); font-weight: 950; line-height: 1; white-space: nowrap; }
.cta-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
.cta-inner h2 { max-width: 830px; margin-bottom: .5rem; }

.site-footer { color: rgba(255,255,255,.76); background: #071f27; }
.footer-main { display: grid; grid-template-columns: 1.1fr .8fr .8fr .8fr; gap: 3rem; padding: 72px 0; }
.footer-brand img { width: 185px; margin-bottom: 1.2rem; }
.footer-brand p { max-width: 310px; }
.footer-col h3 { margin-bottom: 1rem; color: var(--white); font-size: .76rem; letter-spacing: .13em; text-transform: uppercase; }
.footer-col a { display: block; width: fit-content; margin: .45rem 0; font-size: .9rem; }
.footer-col a:hover { color: var(--aqua); }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; padding: 1.2rem 0; border-top: 1px solid rgba(255,255,255,.12); font-size: .78rem; }

.page-hero { padding: 156px 0 72px; color: var(--white); background: var(--ink); }
.page-hero h1 { max-width: 980px; margin-bottom: 1rem; font-size: clamp(3.2rem,7vw,6.7rem); }
.page-hero .lede { max-width: 760px; color: rgba(255,255,255,.7); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 2rem; color: rgba(255,255,255,.62); font-size: .8rem; }
.breadcrumb a:hover { color: var(--aqua); }
.breadcrumb span::before { content: "/"; margin-right: .55rem; }

.shop-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.shop-toolbar h2 { margin: 0; font-size: clamp(2rem,4vw,3.6rem); }
.select { min-height: 48px; border: 1px solid var(--line); border-radius: 999px; padding: 0 2.5rem 0 1rem; color: var(--ink); background: var(--white); }
.shop-page .product-grid { grid-template-columns: repeat(3,1fr); }

.product-page { padding-top: 130px; }
.product-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem,6vw,6rem); align-items: start; }
.product-gallery { position: sticky; top: 108px; }
.product-main-image { overflow: hidden; border-radius: var(--radius); background: #eaedeb; }
.product-main-image img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.product-thumbs { display: grid; grid-template-columns: repeat(3,1fr); gap: .75rem; margin-top: .75rem; }
.product-thumbs img { width: 100%; aspect-ratio: 1.25; border-radius: 16px; object-fit: cover; }
.product-summary { padding-top: 1rem; }
.product-summary h1 { margin-bottom: 1rem; font-size: clamp(2.8rem,5vw,5rem); }
.rating { display: flex; align-items: center; gap: .7rem; color: var(--muted); font-size: .85rem; }
.rating .stars { color: #f0a500; letter-spacing: .1em; }
.product-price { margin: 1rem 0; font-size: 2rem; font-weight: 900; }
.product-points { display: grid; gap: .55rem; margin: 1.5rem 0; padding: 0; list-style: none; }
.product-points li::before { content: "\2713"; display: inline-grid; width: 22px; height: 22px; place-items: center; margin-right: .65rem; border-radius: 50%; color: var(--white); background: var(--aqua-dark); font-size: .68rem; font-weight: 900; }
.option-label { display: block; margin: 1.25rem 0 .55rem; font-size: .78rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.choice-row { display: flex; flex-wrap: wrap; gap: .55rem; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; }
.choice span { position: relative; display: block; border: 1px solid var(--line); border-radius: 14px; padding: .72rem 1rem .72rem 2.65rem; color: var(--ink); background: var(--white); cursor: pointer; transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
.choice span::before { content: ""; position: absolute; top: 50%; left: .9rem; width: 18px; height: 18px; border: 2px solid #91a5a7; border-radius: 50%; background: var(--white); transform: translateY(-50%); box-shadow: inset 0 0 0 4px var(--white); }
.choice input:checked + span { color: var(--ink); border-color: var(--aqua-dark); background: #e8f8f2; box-shadow: 0 0 0 1px var(--aqua-dark); }
.choice input:checked + span::before { border-color: var(--aqua-dark); background: var(--aqua-dark); }
.choice input:focus-visible + span { outline: 3px solid var(--lime); outline-offset: 3px; }
.choice input:disabled + span { color: #819093; border-style: dashed; background: #f0f3f1; cursor: not-allowed; opacity: .72; }
.purchase-row { display: grid; grid-template-columns: 92px 1fr; gap: .75rem; margin-top: 1.3rem; }
.product-buy-button, .purchase-row .button-dark { position: relative; color: var(--ink); background: linear-gradient(135deg, var(--aqua), #63edc7); box-shadow: 0 12px 30px rgba(0,166,127,.24); }
.product-buy-button::after, .purchase-row .button-dark::after { content: "\2192"; margin-left: .15rem; font-size: 1.2rem; transition: transform .2s ease; }
.product-buy-button:hover, .purchase-row .button-dark:hover { color: var(--ink); background: var(--lime); }
.product-buy-button:hover::after, .purchase-row .button-dark:hover::after { transform: translateX(4px); }
.qty-input { width: 100%; min-height: 54px; border: 1px solid var(--line); border-radius: 999px; padding: 0 1rem; background: var(--white); text-align: center; }
.delivery-note { display: grid; grid-template-columns: repeat(3,1fr); gap: .5rem; margin-top: 1rem; }
.delivery-note div { padding: .7rem; border: 1px solid var(--line); border-radius: 14px; font-size: .73rem; text-align: center; }
.product-accordions { margin-top: 1.5rem; border-top: 1px solid var(--line); }
.product-accordions details { border-bottom: 1px solid var(--line); }
.product-accordions summary { padding: 1.1rem 0; font-weight: 800; cursor: pointer; }
.product-accordions p { color: var(--muted); }

.cart-layout, .checkout-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 2rem; align-items: start; }
.cart-panel, .order-panel, .checkout-form { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem,3vw,2rem); background: var(--white); }
.cart-item { display: grid; grid-template-columns: 92px 1fr auto; gap: 1rem; align-items: center; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 92px; height: 92px; border-radius: 16px; object-fit: cover; background: #eef0ef; }
.cart-item h3 { margin-bottom: .2rem; font-size: 1rem; letter-spacing: -.01em; }
.cart-item-meta { color: var(--muted); font-size: .82rem; }
.cart-item-actions { display: flex; align-items: center; gap: .55rem; margin-top: .5rem; }
.qty-small { width: 64px; height: 38px; border: 1px solid var(--line); border-radius: 999px; text-align: center; }
.link-button { border: 0; padding: .2rem; color: var(--muted); background: transparent; font-size: .78rem; text-decoration: underline; cursor: pointer; }
.summary-row { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; }
.summary-row.total { margin-top: .6rem; border-top: 1px solid var(--line); font-size: 1.2rem; font-weight: 900; }
.empty-state { padding: 4rem 1rem; text-align: center; }
.empty-state h2 { font-size: 2rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 850; }
.field input, .field textarea, .field select { width: 100%; min-height: 50px; border: 1px solid var(--line); border-radius: 14px; padding: .75rem .9rem; color: var(--ink); background: var(--paper); }
.field textarea { min-height: 110px; resize: vertical; }
.checkout-note { margin-top: 1rem; padding: 1rem; border-radius: 16px; color: #684d00; background: #fff5cc; font-size: .85rem; }
.order-panel { position: sticky; top: 110px; }

.legal-layout { display: grid; grid-template-columns: 240px minmax(0,760px); gap: 5vw; align-items: start; }
.legal-nav { position: sticky; top: 112px; }
.legal-nav a { display: block; padding: .45rem 0; color: var(--muted); font-size: .86rem; }
.legal-nav a:hover { color: var(--aqua-dark); }
.legal-content h2 { margin: 2.5rem 0 1rem; font-size: 2rem; line-height: 1.1; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { margin-top: 1.7rem; font-size: 1.2rem; line-height: 1.2; letter-spacing: -.02em; }
.legal-content p, .legal-content li { color: #435e63; }
.legal-content li + li { margin-top: .5rem; }
.legal-meta { margin-bottom: 2rem; padding: 1rem; border-left: 3px solid var(--aqua); background: var(--white); font-size: .86rem; }

.toast { position: fixed; z-index: 300; right: 20px; bottom: 20px; display: flex; align-items: center; gap: .7rem; max-width: calc(100% - 40px); border-radius: 999px; padding: .9rem 1.1rem; color: var(--white); background: var(--ink); box-shadow: var(--shadow); transform: translateY(130%); opacity: 0; transition: .25s ease; }
.toast.show { transform: none; opacity: 1; }
.toast::before { content: "\2713"; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; color: var(--ink); background: var(--aqua); font-weight: 900; }

@keyframes water-word {
  0%, 100% { transform: translateY(0) rotate(0deg) skewX(0deg); }
  25% { transform: translateY(-2px) rotate(-.35deg) skewX(-.6deg); }
  55% { transform: translateY(2px) rotate(.4deg) skewX(.5deg); }
  78% { transform: translateY(-1px) rotate(-.2deg) skewX(-.25deg); }
}
@keyframes sonar-pulse {
  0% { opacity: .75; transform: scale(.82); }
  70%, 100% { opacity: 0; transform: scale(1.42); }
}
@keyframes card-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-7px) rotate(.25deg); }
}
@keyframes trust-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.js [data-reveal].revealed { opacity: 1; transform: none; }
.js [data-reveal]:nth-child(2) { transition-delay: .06s; }
.js [data-reveal]:nth-child(3) { transition-delay: .12s; }
.js [data-reveal]:nth-child(4) { transition-delay: .18s; }

@media (max-width: 980px) {
  .menu-toggle { display: block; }
  .nav-links { position: fixed; top: 72px; left: 20px; right: 20px; display: grid; gap: 0; padding: 1rem; border-radius: 22px; color: var(--ink); background: var(--white); box-shadow: var(--shadow); transform: translateY(-18px); opacity: 0; pointer-events: none; transition: .2s ease; }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: .8rem; }
  .nav-links .button { margin-top: .5rem; }
  .hero-content { grid-template-columns: 1fr; }
  .hero-copy { max-width: 800px; }
  .hero-proof { display: none; }
  .split-heading, .tech-grid, .product-layout, .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
  .product-gallery, .order-panel { position: static; }
  .product-grid { grid-template-columns: repeat(2,1fr); }
  .shop-page .product-grid { grid-template-columns: repeat(2,1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .legal-layout { grid-template-columns: 1fr; }
  .legal-nav { position: static; display: flex; flex-wrap: wrap; gap: .3rem 1rem; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .site-header, .nav { height: 72px; }
  .logo, .logo img { width: 150px; }
  .hero { min-height: 760px; }
  .hero-media::after { background: linear-gradient(0deg, rgba(3,25,31,.96) 0%, rgba(3,25,31,.38) 70%, rgba(3,25,31,.2)); }
  .hero-media picture img { object-position: 70% center; }
  .hero-content { padding-top: 118px; }
  .hero h1 { font-size: clamp(3.1rem,16vw,5.2rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item { padding: .72rem; }
  .trust-icon { width: 38px; height: 38px; border-radius: 11px; }
  .trust-icon svg { width: 22px; height: 22px; }
  .trust-copy strong { font-size: .76rem; }
  .trust-copy small { font-size: .61rem; }
  .problem-grid, .steps, .stats, .use-grid, .product-grid, .shop-page .product-grid, .delivery-note { grid-template-columns: 1fr; }
  .problem-card { min-height: 420px; }
  .tech-visual, .tech-visual > img { min-height: 430px; height: 430px; }
  .step { min-height: 250px; }
  .step::before { margin-bottom: 2.5rem; }
  .stat { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.15); }
  .stat:last-child { border-bottom: 0; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: .5rem; }
  .page-hero { padding-top: 125px; }
  .shop-toolbar { align-items: stretch; flex-direction: column; }
  .purchase-row { grid-template-columns: 82px 1fr; }
  .cart-item { grid-template-columns: 74px 1fr; }
  .cart-item img { width: 74px; height: 74px; }
  .cart-item > strong { grid-column: 2; }
  .form-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}