:root {
  --color-accent: #16c5c5;
  --color-accent-dark: #079b9e;
  --color-ink: #1a1a1a;
  --color-muted: #667070;
  --color-soft: #f3f7f7;
  --color-line: #dfe8e8;
  --color-white: #fff;
  --font-display: "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --font-body: Inter, "Segoe UI", system-ui, sans-serif;
  --shadow-sm: 0 12px 35px rgba(13, 45, 45, 0.07);
  --shadow-lg: 0 32px 80px rgba(8, 68, 68, 0.15);
  --radius-md: 20px;
  --radius-lg: 32px;
  --container: 1180px;
  --header-height: 82px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  color: var(--color-ink);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.04em; line-height: 1.08; }
h1 { margin-bottom: 24px; font-size: clamp(3.2rem, 6.1vw, 6.25rem); }
h2 { margin-bottom: 20px; font-size: clamp(2.4rem, 4.2vw, 4.4rem); }
h3 { margin-bottom: 12px; font-size: 1.25rem; }
p { color: var(--color-muted); }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 128px 0; }
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 16px;
  border-radius: 10px;
  color: #fff;
  background: var(--color-ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition: height .3s ease, background-color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  height: 70px;
  border-color: rgba(18, 58, 58, .08);
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 8px 32px rgba(8, 48, 48, .07);
  backdrop-filter: blur(18px);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand { display: inline-flex; gap: 10px; align-items: center; font-family: var(--font-display); font-weight: 700; letter-spacing: -.04em; }
.brand strong { color: var(--color-accent-dark); }
.brand-mark {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  background: var(--color-accent);
}
.brand-mark svg { width: 27px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.site-nav { display: flex; gap: 32px; align-items: center; }
.site-nav > a:not(.button) { position: relative; font-size: .91rem; font-weight: 600; }
.site-nav > a:not(.button)::after {
  position: absolute;
  right: 0;
  bottom: -5px;
  left: 0;
  height: 2px;
  background: var(--color-accent);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}
.site-nav > a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; border: 0; background: none; }

.button {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  line-height: 1;
  transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease;
}
.button span { transition: transform .25s ease; }
.button:hover { transform: translateY(-3px); }
.button:hover span { transform: translateX(4px); }
.button-small { min-height: 43px; color: #fff; background: var(--color-ink); }
.button-primary { color: #fff; background: linear-gradient(135deg, var(--color-accent), #0aa8ac); box-shadow: 0 14px 34px rgba(22, 197, 197, .28); }
.button-primary:hover { box-shadow: 0 18px 42px rgba(22, 197, 197, .4); }
.button-large { min-height: 62px; padding: 0 31px; font-size: 1rem; }
.button-white { color: var(--color-ink); background: #fff; box-shadow: 0 18px 45px rgba(0, 0, 0, .14); }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--color-muted); font-size: .93rem; font-weight: 700; }
.text-link span { transition: transform .25s ease; }
.text-link:hover span { transform: translateY(3px); }
.text-link-dark { color: var(--color-ink); }

.hero {
  position: relative;
  min-height: 100vh;
  padding: 150px 0 48px;
  background: radial-gradient(circle at 50% 34%, #eaffff 0, #f7fbfb 32%, #fff 67%);
  isolation: isolate;
}
.hero-orb { position: absolute; z-index: -1; border-radius: 50%; filter: blur(2px); opacity: .55; }
.hero-orb-one { top: 17%; left: -120px; width: 300px; height: 300px; background: rgba(22, 197, 197, .12); }
.hero-orb-two { right: -90px; bottom: 9%; width: 240px; height: 240px; background: rgba(50, 135, 255, .08); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(350px, .85fr) minmax(220px, .52fr);
  gap: 46px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 23px;
  color: var(--color-accent-dark);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow > span {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--color-accent);
  font-size: .72rem;
}
.hero-copy h1 { font-size: clamp(3.2rem, 5.4vw, 5.85rem); }
.hero-copy h1 span, .section-heading h2 span { color: var(--color-accent-dark); }
.hero-lead { max-width: 610px; margin-bottom: 32px; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.hero-rating { display: flex; gap: 14px; align-items: center; margin-top: 30px; color: var(--color-muted); font-size: .85rem; }
.stars { color: #f5aa24; letter-spacing: 2px; }
.product-stage { position: relative; min-height: 570px; }
.product-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(22, 197, 197, .23);
  border-radius: 50%;
  background: rgba(255, 255, 255, .62);
  box-shadow: inset 0 0 80px rgba(22, 197, 197, .08);
  transform: translate(-50%, -48%);
}
.product-halo::before, .product-halo::after {
  position: absolute;
  border: 1px solid rgba(22, 197, 197, .12);
  border-radius: 50%;
  content: "";
}
.product-halo::before { inset: 28px; }
.product-halo::after { inset: 65px; }
.product-bottle {
  position: absolute;
  z-index: 2;
  top: 48%;
  left: 50%;
  width: min(100%, 360px);
  max-width: 100%;
  object-fit: contain;
  transform: translate(-50%, -50%);
  animation: floatBottle 5.2s ease-in-out infinite;
}
.product-note {
  position: absolute;
  z-index: 3;
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 11px 16px;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  font-size: .8rem;
}
.product-note strong { color: var(--color-accent-dark); }
.product-note-one {
  top: calc(48% - 155px);
  left: 50%;
  transform: translateX(-50%);
}
.product-note-two {
  top: calc(48% + 100px);
  left: 50%;
  transform: translateX(-50%);
}
@keyframes floatBottle { 0%, 100% { transform: translate(-50%, -50%); } 50% { transform: translate(-50%, calc(-50% - 14px)); } }
.hero-proof {
  padding: 27px;
  border: 1px solid rgba(255,255,255,.86);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.68);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
}
.proof-label { margin-bottom: 18px; color: var(--color-ink); font-size: .72rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.proof-stat { display: flex; align-items: end; gap: 10px; }
.proof-stat strong { color: var(--color-accent-dark); font-family: var(--font-display); font-size: 3.5rem; line-height: 1; letter-spacing: -.08em; }
.proof-stat strong::after { content: "%"; font-size: 1.1rem; letter-spacing: 0; }
.proof-stat span { max-width: 100px; color: var(--color-muted); font-size: .76rem; line-height: 1.35; }
.proof-divider { height: 1px; margin: 22px 0; background: var(--color-line); }
.hero-proof > p:not(.proof-label) { font-size: .9rem; }
.avatar-row { display: flex; margin: 19px 0 16px; }
.avatar-row span {
  display: grid;
  width: 34px;
  height: 34px;
  margin-right: -8px;
  place-items: center;
  border: 2px solid #fff;
  border-radius: 50%;
  color: #fff;
  background: #1f7778;
  font-size: .65rem;
  font-weight: 700;
}
.avatar-row span:nth-child(2) { background: #5e7878; }
.avatar-row span:nth-child(3) { background: #163f45; }
.avatar-row span:last-child { color: var(--color-ink); background: #e8eeee; }
.hero-proof small { display: block; color: #879090; font-size: .65rem; line-height: 1.35; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 44px; }
.trust-card {
  display: flex;
  gap: 13px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  background: rgba(255,255,255,.8);
}
.trust-icon { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border-radius: 12px; color: var(--color-accent-dark); background: #e7fafa; }
.trust-card strong, .trust-card small { display: block; }
.trust-card strong { font-size: .83rem; line-height: 1.2; }
.trust-card small { margin-top: 4px; color: var(--color-muted); font-size: .68rem; }

.section-heading { max-width: 760px; margin: 0 auto 60px; text-align: center; }
.section-heading p { max-width: 650px; margin: 0 auto; font-size: 1.05rem; }
.benefits-section { background: #fff; }
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 19px; }
.benefit-card {
  position: relative;
  min-height: 265px;
  padding: 32px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.benefit-card:hover { border-color: rgba(22,197,197,.4); box-shadow: var(--shadow-lg); transform: translateY(-7px) scale(1.01); }
.card-number { position: absolute; top: 25px; right: 27px; color: #c6d0d0; font-family: var(--font-display); font-size: .75rem; font-weight: 700; }
.benefit-icon { display: grid; width: 53px; height: 53px; margin-bottom: 36px; place-items: center; border-radius: 16px; color: var(--color-accent-dark); background: #e8fbfb; font-size: 1.4rem; }
.benefit-card p { margin: 0; font-size: .9rem; }
.card-arrow { position: absolute; right: 27px; bottom: 27px; color: #c4cece; transition: color .25s ease, transform .25s ease; }
.benefit-card:hover .card-arrow { color: var(--color-accent-dark); transform: translate(3px, -3px); }
.benefit-card-featured { color: #fff; border-color: transparent; background: linear-gradient(145deg, #0fbfc0, #087f88); }
.benefit-card-featured p, .benefit-card-featured .card-number, .benefit-card-featured .card-arrow { color: rgba(255,255,255,.75); }
.benefit-card-featured .benefit-icon { color: #fff; background: rgba(255,255,255,.15); }

.why-section { background: var(--color-soft); overflow: hidden; }
.why-grid { display: grid; grid-template-columns: .9fr 1fr; gap: clamp(70px, 9vw, 130px); align-items: center; }
.why-visual { position: relative; min-height: 560px; }
.focus-card {
  position: absolute;
  z-index: 2;
  inset: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.85);
  border-radius: 45px;
  background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(232,252,252,.65));
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
}
.focus-label { margin-bottom: 30px; color: var(--color-accent-dark); font-size: .7rem; font-weight: 800; letter-spacing: .15em; }
.focus-ring {
  display: grid;
  width: 250px;
  height: 250px;
  place-items: center;
  border: 1px solid rgba(22,197,197,.18);
  border-radius: 50%;
  background: conic-gradient(var(--color-accent) 0 85%, rgba(22,197,197,.1) 85%);
  box-shadow: 0 0 0 25px rgba(22,197,197,.04);
}
.focus-ring::before { position: absolute; width: 210px; height: 210px; border-radius: 50%; background: #fff; content: ""; }
.focus-ring span { position: relative; z-index: 1; text-align: center; }
.focus-ring strong, .focus-ring small { display: block; }
.focus-ring strong { font-family: var(--font-display); font-size: 6rem; line-height: .9; letter-spacing: -.1em; }
.focus-ring small { color: var(--color-muted); font-size: .8rem; }
.focus-meta { display: flex; gap: 10px; margin-top: 45px; }
.focus-meta span { padding: 7px 12px; border-radius: 99px; color: var(--color-accent-dark); background: #e7fafa; font-size: .7rem; font-weight: 700; }
.orbit { position: absolute; border-radius: 50%; background: var(--color-accent); }
.orbit-one { top: 0; right: 0; width: 130px; height: 130px; opacity: .17; }
.orbit-two { bottom: -30px; left: -40px; width: 230px; height: 230px; opacity: .08; }
.why-copy > p { max-width: 600px; margin-bottom: 34px; font-size: 1.03rem; }
.check-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 15px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--color-line); }
.check-list li > span { display: grid; width: 28px; height: 28px; flex: 0 0 28px; place-items: center; border-radius: 50%; color: #fff; background: var(--color-accent); font-size: .8rem; }
.check-list strong, .check-list small { display: block; }
.check-list small { margin-top: 3px; color: var(--color-muted); }

.ingredients-section { background: #fff; }
.section-heading-split { display: grid; grid-template-columns: 1fr .72fr; align-items: end; max-width: none; text-align: left; }
.section-heading-split p { margin: 0 0 8px auto; }
.ingredients-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ingredient-card {
  position: relative;
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, #fff, #f9fbfb);
  transition: transform .3s ease, box-shadow .3s ease;
}
.ingredient-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-6px) scale(1.01); }
.ingredient-icon { display: grid; width: 49px; height: 49px; margin-bottom: 24px; place-items: center; border: 1px solid rgba(22,197,197,.25); border-radius: 15px; color: var(--color-accent-dark); background: #eafafa; font-family: var(--font-display); font-size: 1.15rem; font-weight: 800; }
.ingredient-type { display: block; margin-bottom: 8px; color: #8b9696; font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.ingredient-card p { font-size: .84rem; line-height: 1.55; }
.ingredient-card > strong { position: absolute; bottom: 27px; left: 28px; color: var(--color-accent-dark); font-size: .76rem; }
.ingredient-card-wide { grid-column: span 2; color: #fff; background: linear-gradient(135deg, #162828, #0d5f63); }
.ingredient-card-wide p, .ingredient-card-wide .ingredient-type { color: rgba(255,255,255,.65); }
.ingredient-card-wide > strong { color: #76e7e7; }
.formula-note { max-width: 750px; margin: 30px auto 0; text-align: center; font-size: .75rem; }

.offer-section {
  position: relative;
  background:
    radial-gradient(circle at 15% 30%, rgba(22,197,197,.13), transparent 32%),
    linear-gradient(180deg, #f7fbfb, #fff);
  overflow: hidden;
}
.offer-shell {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(45px, 7vw, 95px);
  padding: clamp(34px, 5vw, 68px);
  border: 1px solid rgba(22,197,197,.2);
  border-radius: 38px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 30px 90px rgba(8,68,68,.12);
  backdrop-filter: blur(18px);
}
.offer-visual { position: relative; display: grid; min-height: 430px; place-items: center; }
.offer-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22,197,197,.22), rgba(22,197,197,.04) 58%, transparent 70%);
}
.offer-product-image {
  position: relative;
  z-index: 1;
  width: min(380px, 88%);
  max-width: 100%;
  transition: transform .35s ease;
}
.offer-shell:hover .offer-product-image { transform: translateY(-7px) scale(1.02); }
.offer-badge {
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  color: #fff;
  background: var(--color-ink);
  box-shadow: var(--shadow-sm);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.offer-copy h2 { font-size: clamp(2.3rem, 4vw, 4rem); }
.offer-copy h2 span { color: var(--color-accent-dark); }
.offer-lead { margin-bottom: 28px; font-size: 1.03rem; }
.offer-list { display: grid; gap: 13px; margin: 0 0 30px; padding: 0; list-style: none; }
.offer-list li { display: flex; gap: 13px; align-items: center; }
.offer-list li > span {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--color-accent);
  font-size: .75rem;
  font-weight: 800;
}
.offer-list strong, .offer-list small { display: block; }
.offer-list strong { font-size: .9rem; }
.offer-list small { margin-top: 2px; color: var(--color-muted); }
.offer-action { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.offer-security { color: var(--color-muted); font-size: .75rem; font-weight: 700; }
.offer-security span { color: var(--color-accent-dark); }
.offer-fine-print { max-width: 560px; margin: 18px 0 0; font-size: .68rem; line-height: 1.5; }

.reviews-section { color: #fff; background: #142222; }
.section-heading-light h2, .section-heading-light p { color: inherit; }
.section-heading-light p { color: rgba(255,255,255,.58); }
.eyebrow-light { color: #71e4e4; }
.reviews-summary {
  display: flex;
  width: min(470px, 100%);
  gap: 35px;
  align-items: center;
  justify-content: center;
  margin: -24px auto 45px;
  padding: 22px 30px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 18px;
  background: rgba(255,255,255,.04);
}
.reviews-summary > div:first-child { display: grid; grid-template-columns: auto auto; align-items: center; gap: 0 12px; }
.reviews-summary strong { grid-row: span 2; font-family: var(--font-display); font-size: 3rem; line-height: 1; }
.reviews-summary small { color: rgba(255,255,255,.5); font-size: .68rem; }
.summary-bars { display: grid; gap: 7px; width: 100px; }
.summary-bars span { height: 5px; border-radius: 9px; background: rgba(255,255,255,.1); overflow: hidden; }
.summary-bars i { display: block; height: 100%; border-radius: inherit; background: var(--color-accent); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.testimonial-card {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 30px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.045);
  transition: border-color .3s ease, background .3s ease, transform .3s ease;
}
.testimonial-card:hover { border-color: rgba(22,197,197,.35); background: rgba(255,255,255,.075); transform: translateY(-5px) scale(1.01); }
.testimonial-card .stars { font-size: .78rem; }
.testimonial-card blockquote { margin: 27px 0; color: rgba(255,255,255,.85); font-family: var(--font-display); font-size: 1.02rem; line-height: 1.65; letter-spacing: -.02em; }
.testimonial-card footer { display: flex; gap: 12px; align-items: center; margin-top: auto; }
.review-avatar { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: #073d3e; background: #7be3e3; font-size: .72rem; font-weight: 800; }
.testimonial-card footer strong, .testimonial-card footer small { display: block; }
.testimonial-card footer strong { font-size: .84rem; }
.testimonial-card footer small { color: rgba(255,255,255,.43); font-size: .67rem; }
.testimonial-disclaimer { margin: 30px auto 0; color: rgba(255,255,255,.4); text-align: center; font-size: .7rem; }

.comparison-section { background: #fff; }
.comparison-grid { display: grid; grid-template-columns: .72fr 1.3fr; gap: 80px; align-items: center; }
.comparison-copy p { max-width: 470px; margin-bottom: 30px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--color-line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
table { width: 100%; min-width: 620px; border-collapse: collapse; background: #fff; }
th, td { padding: 22px 24px; border-bottom: 1px solid var(--color-line); text-align: center; }
thead th { color: var(--color-muted); background: #f7fafa; font-size: .76rem; }
th:first-child { text-align: left; }
tbody th { font-size: .88rem; }
thead th:nth-child(2), tbody td:nth-child(2) { background: #ecfbfb; }
.mini-logo { display: inline-grid; width: 24px; height: 24px; margin-right: 5px; place-items: center; border-radius: 7px; color: #fff; background: var(--color-accent); }
.yes, .no, .maybe { display: inline-grid; width: 29px; height: 29px; place-items: center; border-radius: 50%; font-weight: 800; }
.yes { color: #087a7c; background: #c9f7f7; }
.no { color: #9da5a5; background: #edf0f0; }
.maybe { color: #9f7917; background: #fff1c9; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }

.faq-section { background: var(--color-soft); }
.faq-grid { display: grid; grid-template-columns: .7fr 1fr; gap: 90px; align-items: start; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro > p { max-width: 450px; }
.faq-help { display: flex; gap: 13px; align-items: center; margin-top: 35px; }
.faq-help > span { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 50%; color: #fff; background: var(--color-accent); font-family: var(--font-display); font-weight: 800; }
.faq-help strong, .faq-help a { display: block; font-size: .83rem; }
.faq-help a { color: var(--color-accent-dark); }
.faq-list { border-top: 1px solid #ccd8d8; }
.faq-item { border-bottom: 1px solid #ccd8d8; }
.faq-item h3 { margin: 0; }
.faq-question { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 26px 0; border: 0; background: transparent; cursor: pointer; text-align: left; font-weight: 700; }
.faq-question i { position: relative; width: 25px; height: 25px; flex: 0 0 25px; margin-left: 18px; border: 1px solid #b8c7c7; border-radius: 50%; }
.faq-question i::before, .faq-question i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1px; background: var(--color-ink); content: ""; transform: translate(-50%, -50%); transition: transform .25s ease; }
.faq-question i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-question[aria-expanded="true"] i { border-color: var(--color-accent); background: var(--color-accent); }
.faq-question[aria-expanded="true"] i::before, .faq-question[aria-expanded="true"] i::after { background: #fff; }
.faq-question[aria-expanded="true"] i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .32s ease, opacity .25s ease;
}
.faq-answer p { margin: -5px 45px 27px 0; font-size: .92rem; }

.final-cta { position: relative; padding: 120px 0; color: #fff; background: linear-gradient(135deg, #11bcbc, #08787f); overflow: hidden; isolation: isolate; }
.final-cta::before, .final-cta::after { position: absolute; z-index: -1; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; content: ""; }
.final-cta::before { top: -250px; left: -180px; width: 650px; height: 650px; }
.final-cta::after { right: -120px; bottom: -340px; width: 700px; height: 700px; }
.cta-noise { position: absolute; inset: 0; z-index: -1; opacity: .13; background-image: radial-gradient(rgba(255,255,255,.8) .6px, transparent .6px); background-size: 7px 7px; }
.final-cta-inner { max-width: 850px; text-align: center; }
.final-cta h2 { color: #fff; }
.final-cta p { max-width: 630px; margin: 0 auto 34px; color: rgba(255,255,255,.78); font-size: 1.1rem; }
.final-cta small { display: block; margin-top: 20px; color: rgba(255,255,255,.7); }

.site-footer { padding: 70px 0 20px; color: rgba(255,255,255,.85); background: #111b1b; }
.footer-top { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 30px; padding-bottom: 35px; border-bottom: 1px solid rgba(255,255,255,.09); }
.brand-footer .brand-mark { font-size: .8rem; }
.footer-top nav { display: flex; gap: 25px; font-size: .8rem; }
.footer-legal-links { display: flex; gap: 18px; justify-content: flex-end; color: rgba(255,255,255,.5); font-size: .75rem; }
.disclaimer { padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.09); }
.disclaimer p { margin-bottom: 8px; color: rgba(255,255,255,.43); font-size: .7rem; line-height: 1.6; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 18px; color: rgba(255,255,255,.36); font-size: .7rem; }

.floating-cta {
  position: fixed;
  z-index: 900;
  right: 24px;
  bottom: 24px;
  display: flex;
  gap: 12px;
  align-items: center;
  min-height: 57px;
  padding: 0 22px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 99px;
  color: #fff;
  background: rgba(24,33,33,.92);
  box-shadow: 0 16px 45px rgba(0,0,0,.2);
  backdrop-filter: blur(15px);
  font-weight: 700;
  transition: transform .25s ease, box-shadow .25s ease;
}
.floating-cta:hover { box-shadow: 0 20px 50px rgba(0,0,0,.28); transform: translateY(-4px); }
.floating-cta-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 0 5px rgba(22,197,197,.13); animation: dotPulse 2s ease infinite; }
.floating-cta i { font-style: normal; }
@keyframes dotPulse { 50% { box-shadow: 0 0 0 9px rgba(22,197,197,0); } }

.reveal { opacity: 0; transform: translateY(32px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.8,.2,1); }
.reveal-left { transform: translateX(-34px); }
.reveal-right { transform: translateX(34px); }
.reveal.is-visible { opacity: 1; transform: translate(0); }

a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid #0b7e80; outline-offset: 4px; }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .hero-proof { display: none; }
  .hero-copy h1 { font-size: clamp(3rem, 7vw, 5.3rem); }
  .ingredients-grid { grid-template-columns: repeat(3, 1fr); }
  .ingredient-card-wide { grid-column: span 1; }
  .comparison-grid { gap: 45px; }
}

@media (max-width: 900px) {
  .section { padding: 95px 0; }
  .site-nav { gap: 19px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { max-width: 720px; margin: auto; }
  .hero-actions, .hero-rating { justify-content: center; }
  .product-stage { width: min(520px, 100%); min-height: 520px; margin: -15px auto 0; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 50px; }
  .why-visual { width: min(600px, 100%); margin: auto; }
  .section-heading-split { grid-template-columns: 1fr; text-align: center; }
  .section-heading-split p { margin: 0 auto; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-shell { grid-template-columns: 1fr; }
  .offer-visual { min-height: 360px; }
  .offer-copy { text-align: center; }
  .offer-list { width: min(520px, 100%); margin-inline: auto; text-align: left; }
  .offer-action { justify-content: center; }
  .offer-fine-print { margin-inline: auto; }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .comparison-grid, .faq-grid { grid-template-columns: 1fr; gap: 50px; }
  .comparison-copy { max-width: 680px; }
  .faq-intro { position: static; }
  .footer-top { grid-template-columns: 1fr; text-align: center; }
  .brand-footer, .footer-top nav, .footer-legal-links { justify-content: center; }
}

@media (max-width: 768px) {
  :root { --header-height: 70px; }
  .container { width: min(calc(100% - 30px), var(--container)); }
  .section { padding: 78px 0; }
  h2 { font-size: clamp(2.25rem, 10vw, 3.3rem); }
  .nav-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    width: 44px;
    height: 44px;
    padding: 11px;
    place-content: center;
    gap: 5px;
    border-radius: 50%;
    background: rgba(255,255,255,.75);
  }
  .nav-toggle span { display: block; width: 20px; height: 2px; background: var(--color-ink); transition: transform .25s ease, opacity .25s ease; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    background: rgba(247,251,251,.98);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
  }
  .site-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav > a:not(.button) { font-family: var(--font-display); font-size: 1.65rem; }
  .site-nav .button { margin-top: 15px; }
  .hero { padding-top: 115px; }
  .hero-copy h1 { font-size: clamp(3rem, 14vw, 4.3rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: min(100%, 340px); }
  .product-stage { min-height: 470px; }
  .product-halo { width: 360px; height: 360px; }
  .product-bottle { width: min(92%, 340px); max-width: 100%; }
  .trust-grid, .benefits-grid, .ingredients-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .trust-card { padding: 16px; }
  .benefit-card { min-height: 245px; }
  .section-heading { margin-bottom: 42px; }
  .why-visual { min-height: 480px; }
  .focus-card { inset: 20px 5px; }
  .focus-ring { width: 210px; height: 210px; }
  .focus-ring::before { width: 176px; height: 176px; }
  .focus-ring strong { font-size: 5rem; }
  .focus-meta { gap: 6px; }
  .focus-meta span { padding: 6px 9px; }
  .ingredient-card { min-height: 270px; }
  .testimonial-card { min-height: 290px; }
  .reviews-summary { gap: 22px; padding: 19px; }
  .final-cta { padding: 88px 0; }
  .floating-cta { right: 14px; bottom: 14px; min-height: 54px; }
  .footer-top nav { flex-wrap: wrap; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}

@media (max-width: 460px) {
  .hero-rating { flex-direction: column; gap: 5px; }
  .product-stage { min-height: 420px; }
  .product-halo { width: 300px; height: 300px; }
  .offer-shell { padding: 28px 20px 34px; border-radius: 28px; }
  .offer-visual { min-height: 280px; }
  .offer-product-image { width: 100%; max-width: 100%; }
  .offer-badge { top: 0; left: 0; }
  .offer-action .button { width: 100%; }
  .product-note { font-size: .66rem; }
  .trust-grid { gap: 8px; }
  .trust-card strong { font-size: .76rem; }
  .reviews-summary { flex-direction: column; }
  .summary-bars { width: 180px; }
  .final-cta .button { width: 100%; }
  .floating-cta span:not(.floating-cta-dot) { display: none; }
  .floating-cta { width: 55px; padding: 0; justify-content: center; }
}

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