:root {
  --navy: #073452;
  --navy-deep: #06283f;
  --teal: #11a9a8;
  --teal-dark: #087f82;
  --mint: #dff8f6;
  --mint-soft: #effbfa;
  --ink: #122c3e;
  --muted: #5d7180;
  --line: #dce8ec;
  --paper: #f7fbfc;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(7, 52, 82, 0.1);
  --radius: 22px;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }

.shell { width: var(--shell); margin-inline: auto; }
.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;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 10px;
  color: var(--white);
  background: var(--navy);
}
.skip-link:focus { transform: translateY(0); }

.notice {
  color: var(--white);
  background: var(--navy-deep);
  font-size: 0.82rem;
}
.notice__inner {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.notice a { color: #77dedc; text-underline-offset: 3px; }

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(220, 232, 236, 0.9);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
}
.header__inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  white-space: nowrap;
}
.brand__mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: var(--white);
  background: var(--navy);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1;
}
.brand__mark b {
  position: absolute;
  top: -7px;
  right: -7px;
  color: var(--teal);
  font-size: 0.9rem;
}
.brand__name {
  color: var(--teal);
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.035em;
}
.brand__name strong { color: var(--navy); }

nav { display: flex; align-items: center; gap: 30px; }
nav a {
  position: relative;
  color: #385366;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}
nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  background: var(--teal);
  transition: transform 160ms ease;
}
nav a:hover::after, nav a:focus-visible::after { transform: scaleX(1); }

.header__cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 11px 19px;
  border: 0;
  border-radius: 13px;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.header__cta {
  min-height: 44px;
  color: var(--white);
  background: var(--navy);
}
.header__cta:hover, .button:hover { transform: translateY(-2px); }
.header__cta:focus-visible, .button:focus-visible, button:focus-visible, input:focus-visible, a:focus-visible {
  outline: 3px solid rgba(17, 169, 168, 0.35);
  outline-offset: 3px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 68px;
  background:
    radial-gradient(circle at 88% 12%, rgba(17, 169, 168, 0.14), transparent 26%),
    linear-gradient(180deg, #f8fcfd 0%, #ffffff 100%);
}
.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -250px;
  bottom: -290px;
  border: 56px solid rgba(17, 169, 168, 0.08);
  border-radius: 50%;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(380px, 0.9fr);
  align-items: center;
  gap: clamp(42px, 7vw, 90px);
}
.eyebrow {
  margin: 0 0 15px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--teal-dark);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}
.eyebrow span { width: 24px; height: 3px; border-radius: 99px; background: var(--teal); }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { color: var(--navy); line-height: 1.08; }
h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.65rem, 5.3vw, 5rem);
  letter-spacing: -0.066em;
}
h1 em { color: var(--teal); font-style: normal; }
.hero__intro {
  max-width: 650px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 1.5vw, 1.22rem);
  line-height: 1.7;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.button--primary {
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 12px 25px rgba(7, 52, 82, 0.18);
}
.button--primary:hover { background: #0b466d; box-shadow: 0 16px 28px rgba(7, 52, 82, 0.22); }
.button--quiet { border: 1px solid var(--line); color: var(--navy); background: var(--white); }
.trust-list {
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 13px 24px;
  color: #526979;
  font-size: 0.86rem;
  font-weight: 650;
  list-style: none;
}
.trust-list span { color: var(--teal-dark); font-weight: 900; }

.hero__card {
  position: relative;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(7, 52, 82, 0.08);
  border-radius: 30px;
  background: var(--white);
  box-shadow: var(--shadow);
}
.hero__card::after {
  content: "SELECT";
  position: absolute;
  top: 16px;
  right: -34px;
  padding: 5px 42px;
  transform: rotate(36deg);
  color: var(--white);
  background: var(--teal);
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0.15em;
}
.hero__logo-wrap {
  min-height: 255px;
  display: grid;
  place-items: center;
  padding: 14px 18px;
  border-radius: 20px;
  background: var(--mint-soft);
}
.hero__logo-wrap img { width: min(100%, 420px); height: auto; }
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 20px 4px 2px;
}
.hero__stats div { display: flex; flex-direction: column; align-items: center; text-align: center; }
.hero__stats strong { color: var(--navy); font-size: 1.55rem; line-height: 1.2; }
.hero__stats span { color: var(--muted); font-size: 0.7rem; }

.catalog { padding: 86px 0 96px; background: var(--paper); }
.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: 60px;
  margin-bottom: 34px;
}
.section-heading h2, .method h2, .affiliate h2 {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
  letter-spacing: -0.052em;
}
.section-heading > p { margin: 0 0 4px; color: var(--muted); line-height: 1.7; }

.catalog__controls {
  position: sticky;
  z-index: 20;
  top: 92px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 34px rgba(7, 52, 82, 0.07);
  backdrop-filter: blur(14px);
}
.search-box {
  height: 52px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper);
}
.search-box > span:first-child { color: var(--teal-dark); font-size: 1.8rem; transform: rotate(-18deg); }
.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 1rem;
}
.search-box input::placeholder { color: #81929d; }
.filters {
  display: flex;
  gap: 8px;
  margin-top: 11px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 1px;
}
.filter {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  cursor: pointer;
  color: #415c6e;
  background: var(--white);
  font-size: 0.84rem;
  font-weight: 750;
}
.filter span { margin-left: 5px; color: #8799a4; font-size: 0.72rem; }
.filter:hover { border-color: #9fdad8; }
.filter.is-active { border-color: var(--navy); color: var(--white); background: var(--navy); }
.filter.is-active span { color: #a9dddf; }

.results-bar {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 0.78rem;
}
.results-bar p { margin: 0; color: var(--navy); font-size: 0.86rem; font-weight: 800; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.product-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.product-card:hover { transform: translateY(-4px); border-color: #b8dadb; box-shadow: 0 18px 34px rgba(7, 52, 82, 0.09); }
.product-card__visual {
  position: relative;
  height: auto;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-bottom: 1px solid #edf2f4;
  background: #f8fafb;
}
.product-card__visual::before {
  content: "";
  position: absolute;
  width: 112px;
  height: 112px;
  right: -47px;
  bottom: -55px;
  border: 20px solid rgba(17, 169, 168, 0.07);
  border-radius: 50%;
}
.product-number {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 15px;
  width: 34px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: var(--navy);
  background: var(--mint);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1;
}
.visual-word {
  position: absolute;
  z-index: 2;
  top: 14px;
  right: 15px;
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  font-size: 0.64rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.product-image-link {
  position: absolute;
  z-index: 1;
  top: 54px;
  left: 24px;
  width: calc(100% - 48px);
  height: calc(100% - 78px);
  display: grid;
  place-items: center;
}
.product-card__visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
  transform: none !important;
}
.image-fallback {
  display: none;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
}
.product-card__visual.is-image-missing img { display: none; }
.product-card__visual.is-image-missing .product-image-link { display: none; }
.product-card__visual.is-image-missing .image-fallback { display: block; }
.product-card__body { flex: 1; display: flex; flex-direction: column; padding: 20px; }
.product-card__topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.product-card__category { color: var(--teal-dark); font-size: 0.69rem; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
.product-card__tag { padding: 4px 8px; border-radius: 99px; color: #405c6c; background: var(--paper); font-size: 0.66rem; font-weight: 750; }
.product-card h3 { margin: 14px 0 9px; font-size: 1.18rem; letter-spacing: -0.025em; }
.product-card p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.62; }
.product-card__why {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid #edf2f4;
  color: #526a78;
  font-size: 0.76rem;
}
.product-card__why strong { display: block; margin-bottom: 2px; color: var(--navy); }
.product-link {
  min-height: 47px;
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--white);
  background: var(--navy);
  font-size: 0.84rem;
  font-weight: 850;
  text-decoration: none;
}
.product-link:hover { background: #0c466c; }
.product-link span { color: #79dedc; font-size: 1.15rem; }

.empty-state { padding: 55px 20px; border: 1px dashed #b8cdd3; border-radius: var(--radius); text-align: center; background: var(--white); }
.empty-state strong { color: var(--navy); font-size: 1.3rem; }
.empty-state p { margin: 6px 0 18px; color: var(--muted); }
.empty-state button { padding: 10px 15px; border: 0; border-radius: 10px; cursor: pointer; color: var(--white); background: var(--navy); font-weight: 800; }

.guide { padding: 90px 0; color: var(--white); background: var(--navy); }
.section-heading--light h2, .section-heading--light .eyebrow { color: var(--white); }
.section-heading--light .eyebrow span { background: #72d9d7; }
.section-heading--light > p { color: #b9d0dd; }
.guide__grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,0.16); border-left: 1px solid rgba(255,255,255,0.16); }
.guide article { min-height: 290px; padding: 26px; display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,0.16); border-bottom: 1px solid rgba(255,255,255,0.16); }
.guide__number { color: #72d9d7; font-size: 0.73rem; font-weight: 900; letter-spacing: 0.12em; }
.guide h3 { margin: auto 0 10px; color: var(--white); font-size: 1.35rem; }
.guide article p { margin: 0; color: #b9d0dd; font-size: 0.88rem; line-height: 1.65; }
.guide article a { margin-top: 20px; color: #72d9d7; font-size: 0.82rem; font-weight: 850; text-decoration: none; }
.guide article a:hover { color: var(--white); }

.compare { padding: 94px 0; background: var(--paper); }
.compare__table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 12px 34px rgba(7, 52, 82, 0.06);
}
.compare table { width: 100%; min-width: 760px; border-collapse: collapse; }
.compare th, .compare td { padding: 18px 20px; border-bottom: 1px solid #e7eff2; text-align: left; vertical-align: top; }
.compare thead th { color: #587080; background: #edf8f8; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.compare tbody th { width: 20%; color: var(--navy); font-size: 0.88rem; }
.compare tbody td { color: var(--muted); font-size: 0.84rem; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.buying-tips { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.buying-tips article { min-width: 0; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.buying-tips article > span { color: var(--teal-dark); font-size: 0.68rem; font-weight: 900; letter-spacing: 0.09em; }
.buying-tips h3 { margin: 16px 0 7px; font-size: 1rem; }
.buying-tips p { margin: 0; color: var(--muted); font-size: 0.78rem; line-height: 1.55; }

.method { padding: 94px 0; background: var(--white); }
.method__grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(50px, 9vw, 120px); align-items: start; }
.method__intro > p:last-child { margin: 22px 0 0; color: var(--muted); font-size: 1.05rem; }
.method__points { display: grid; gap: 0; border-top: 1px solid var(--line); }
.method__points article { display: grid; grid-template-columns: 42px 1fr; gap: 20px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.method__points article > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; color: var(--white); background: var(--teal); font-size: 0.78rem; font-weight: 900; }
.method__points h3 { margin: 0 0 6px; font-size: 1.08rem; }
.method__points p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.transparency { margin-top: 55px; padding: 21px 24px; display: grid; grid-template-columns: 170px 1fr; gap: 20px; border: 1px solid #bfe8e5; border-radius: 16px; background: var(--mint-soft); }
.transparency strong { color: var(--navy); }
.transparency p { margin: 0; color: #526c78; font-size: 0.86rem; }
.last-reviewed { width: var(--shell); margin: 14px auto 0; color: #718690; font-size: 0.72rem; text-align: right; }

.affiliate { padding: 0 0 94px; background: var(--white); }
.affiliate__card {
  display: grid;
  grid-template-columns: 70px 1fr 0.72fr;
  gap: 32px;
  align-items: center;
  padding: 42px;
  border-radius: 28px;
  color: var(--white);
  background: var(--navy-deep);
}
.affiliate__card h2 { color: var(--white); font-size: clamp(1.7rem, 3vw, 2.6rem); }
.affiliate__card > div:nth-child(2) > p:last-child { margin: 14px 0 0; color: #bdd1dd; }
.affiliate__icon { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 18px; color: var(--navy); background: #71d9d7; font-size: 1.75rem; font-weight: 900; }
.affiliate__note { padding: 20px; border: 1px solid rgba(255,255,255,0.16); border-radius: 16px; background: rgba(255,255,255,0.06); }
.affiliate__note strong { color: #71d9d7; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.affiliate__note p { margin: 7px 0 0; color: #c4d5de; font-size: 0.8rem; }
.privacy-note {
  margin-top: 18px;
  padding: 22px 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--paper);
}
.privacy-note strong { color: var(--navy); font-size: 0.84rem; }
.privacy-note p { margin: 5px 0 0; color: var(--muted); font-size: 0.8rem; }

footer { padding: 58px 0 24px; border-top: 1px solid var(--line); background: var(--paper); }
.footer__grid { display: grid; grid-template-columns: 1.2fr 0.65fr 1fr; gap: 60px; }
.brand--footer { margin-bottom: 12px; }
.footer__grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.footer__grid p { max-width: 410px; margin: 0; color: var(--muted); font-size: 0.82rem; }
.footer__grid strong { color: var(--navy); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }
.footer__grid a:not(.brand) { color: #536b79; font-size: 0.84rem; text-decoration: none; }
.footer__grid a:not(.brand):hover { color: var(--teal-dark); text-decoration: underline; text-underline-offset: 3px; }
.footer__bottom { margin-top: 45px; padding-top: 20px; display: flex; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); color: #768995; font-size: 0.7rem; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero__grid { grid-template-columns: 1fr 0.78fr; gap: 36px; }
  .hero__logo-wrap { min-height: 210px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide__grid { grid-template-columns: repeat(2, 1fr); }
  .buying-tips { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .buying-tips article:last-child { grid-column: 1 / -1; }
  .affiliate__card { grid-template-columns: 62px 1fr; }
  .affiliate__note { grid-column: 2; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px, 680px); }
  .notice__inner { justify-content: flex-start; overflow-x: auto; white-space: nowrap; }
  .header__inner { min-height: 68px; }
  .header__cta { display: none; }
  .brand__name { font-size: 1.1rem; }
  .hero { padding: 43px 0 54px; }
  .hero__grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .hero__intro { margin-top: 19px; }
  .hero__card { padding: 15px; border-radius: 24px; }
  .hero__logo-wrap { min-height: 220px; }
  .hero__stats { padding-top: 15px; }
  .catalog { padding: 68px 0 76px; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .catalog__controls { position: static; padding: 10px; }
  .results-bar { align-items: flex-start; flex-direction: column; gap: 4px; padding: 13px 2px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card__visual { aspect-ratio: 1 / 1; }
  .product-image-link {
    top: 54px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 76px);
  }
  .guide { padding: 72px 0; }
  .guide__grid { grid-template-columns: 1fr; }
  .guide article { min-height: 235px; }
  .compare { padding: 72px 0; }
  .buying-tips { grid-template-columns: 1fr; }
  .buying-tips article:last-child { grid-column: auto; }
  .method { padding: 72px 0; }
  .method__grid { grid-template-columns: 1fr; gap: 40px; }
  .transparency { grid-template-columns: 1fr; gap: 7px; margin-top: 38px; }
  .affiliate { padding-bottom: 72px; }
  .affiliate__card { grid-template-columns: 1fr; gap: 23px; padding: 27px; }
  .affiliate__note { grid-column: 1; }
  .privacy-note { grid-template-columns: 1fr; gap: 18px; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}
