@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap");
:root {
  --ink: #112f3d;
  --teal: #137c74;
  --mint: #dff5ef;
  --gold: #e9b949;
  --paper: #f7f4ec;
  --white: #fff;
  --line: #d6e0df;
  --muted: #5b6d73;
  --shadow: 0 16px 50px rgba(17, 47, 61, 0.1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    17px/1.72 "DM Sans",
    sans-serif;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
header {
  height: 84px;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 0 max(4vw, 24px);
  background: rgba(247, 244, 236, 0.96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.logo span {
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  color: var(--teal);
  font-weight: 700;
}
.logo b {
  font:
    800 1.15rem/1.2 Manrope,
    sans-serif;
  letter-spacing: -0.03em;
}
header nav {
  margin-left: auto;
  display: flex;
  gap: 28px;
}
header nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
}
.menu {
  display: none;
  background: var(--ink);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 10px 14px;
}
main {
  max-width: 1240px;
  margin: auto;
  padding: 0 28px 90px;
}
section {
  margin: 76px 0;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: center;
  min-height: 650px;
  margin-top: 0;
  padding: 64px 0 50px;
}
.hero h1,
.pagehero h1 {
  font:
    800 clamp(2.8rem, 6vw, 5.9rem)/0.98 Manrope,
    sans-serif;
  letter-spacing: -0.065em;
  margin: 0.18em 0;
}
.lead {
  font-size: 1.25rem;
  color: #3f545c;
  max-width: 760px;
}
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.73rem !important;
  font-weight: 800;
  color: var(--teal) !important;
}
.actions {
  display: flex;
  gap: 12px;
  margin: 28px 0;
}
.primary,
.secondary {
  padding: 14px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
}
.primary {
  background: var(--ink);
  color: #fff;
}
.secondary {
  border: 1px solid var(--ink);
}
.proof {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  font-weight: 700;
}
.hero-visual {
  min-height: 420px;
  position: relative;
  border-radius: 42% 58% 52% 48%;
  background: linear-gradient(145deg, var(--mint), #b9e4dc);
  overflow: hidden;
}
.tank {
  position: absolute;
  width: 210px;
  height: 230px;
  background: var(--ink);
  color: #fff;
  border-radius: 34px 34px 22px 22px;
  left: 24%;
  top: 20%;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: rotate(-3deg);
}
.tank i {
  position: absolute;
  width: 90px;
  height: 16px;
  background: var(--gold);
  top: 28px;
  border-radius: 20px;
}
.tank b {
  font: 800 1.7rem Manrope;
}
.tank span {
  font-size: 0.72rem;
  color: #b9e4dc;
}
.hose {
  position: absolute;
  width: 180px;
  height: 180px;
  border: 18px solid var(--ink);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  right: 5%;
  bottom: 10%;
}
.wand {
  position: absolute;
  width: 180px;
  height: 22px;
  background: var(--gold);
  right: 7%;
  bottom: 14%;
  transform: rotate(19deg);
  border-radius: 15px;
}
.decision {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 44px;
  background: var(--white);
  padding: 44px;
  border-radius: 20px;
  box-shadow: var(--shadow);
}
h2 {
  font:
    800 clamp(1.8rem, 3.6vw, 3.1rem)/1.08 Manrope,
    sans-serif;
  letter-spacing: -0.045em;
}
h3 {
  font:
    750 1.16rem/1.25 Manrope,
    sans-serif;
}
.decision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.decision-grid article {
  background: var(--mint);
  padding: 22px;
  border-radius: 12px;
}
.decision-grid b,
.decision-grid span {
  display: block;
}
.decision-grid span {
  font-size: 0.92rem;
  color: #40585e;
  margin-top: 7px;
}
.sectionhead {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 25px;
}
.sectionhead h2 {
  margin: 0.15em 0;
}
.sectionhead > a {
  font-weight: 800;
  color: var(--teal);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.category {
  background: white;
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 12px;
}
.category h3,
.category h2 {
  margin: 0.3em 0;
}
.category h2 {
  font-size: 1.25rem;
}
.category > a:last-child,
.research {
  color: var(--teal);
  font-weight: 800;
}
.compare {
  background: var(--ink);
  color: white;
  padding: 44px;
  border-radius: 20px;
}
.compare .kicker {
  color: #7ad7c4 !important;
}
.table {
  display: grid;
}
.row {
  display: grid;
  grid-template-columns: 0.55fr 0.8fr 1.2fr;
  gap: 22px;
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.row.head {
  border-top: 0;
  color: var(--gold);
}
.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.product {
  background: white;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.product-image {
  height: 210px;
  display: grid;
  place-items: center;
  background: #fff;
}
.product-image img {
  max-height: 190px;
  object-fit: contain;
}
.product h3 {
  margin: 0.25em 0;
}
.product p:not(.kicker) {
  color: var(--muted);
  font-size: 0.9rem;
}
.product .research {
  margin-top: auto;
}
.buy {
  background: var(--gold);
  text-decoration: none;
  text-align: center;
  padding: 10px;
  border-radius: 6px;
  font-weight: 800;
  margin-top: 10px;
}
.disclosure {
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 7px;
}
.amazon {
  display: inline-flex;
  flex-direction: column;
  background: var(--gold);
  padding: 12px 17px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 800;
  margin: 8px 0 22px;
}
.amazon span {
  font-size: 0.72rem;
}
.toolband {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: linear-gradient(135deg, #0d5f5a, var(--teal));
  color: white;
  border-radius: 20px;
  padding: 44px;
}
.toolband .kicker {
  color: #b9e4dc !important;
}
.toolband div:last-child {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.toolband a {
  display: grid;
  place-items: center;
  text-align: center;
  background: white;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  border-radius: 10px;
  padding: 20px;
}
.guides {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.guidecard {
  border-top: 4px solid var(--teal);
  background: white;
  padding: 22px;
}
.guidecard h3 {
  margin: 0.25em 0;
}
.guidecard h3 a {
  text-decoration: none;
}
.guidecard > p:last-child {
  font-size: 0.92rem;
  color: var(--muted);
}
.faq {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.faq details,
.prose details {
  background: white;
  border: 1px solid var(--line);
  padding: 16px 20px;
  margin: 9px 0;
}
.faq summary,
.prose summary {
  font-weight: 800;
  cursor: pointer;
}
.pagehero {
  max-width: 1000px;
  padding: 62px 0 28px;
}
.pagehero h1 {
  font-size: clamp(2.7rem, 5vw, 5rem);
}
.crumbs {
  font-size: 0.8rem;
  padding-top: 28px;
  color: var(--muted);
}
.crumbs span {
  margin: 0 9px;
}
.prose {
  max-width: 850px;
  margin: 42px auto;
  font-size: 1.04rem;
}
.prose h1 {
  font:
    800 clamp(2.5rem, 5vw, 4.7rem)/1.02 Manrope,
    sans-serif;
  letter-spacing: -0.055em;
}
.prose h2 {
  margin-top: 2.1em;
}
.prose li {
  margin: 0.55em 0;
}
.quick {
  background: var(--mint);
  border-left: 5px solid var(--teal);
  padding: 22px;
  margin: 24px 0;
}
.quick b {
  font: 800 1.15rem Manrope;
}
.product-detail {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 42px;
  align-items: center;
  padding: 55px 0;
}
.product-detail > div:first-child {
  background: white;
  border-radius: 18px;
  padding: 35px;
}
.product-detail img {
  max-height: 430px;
  margin: auto;
}
.product-detail h1 {
  font: 800 clamp(2.4rem, 5vw, 4.7rem)/1 Manrope;
  letter-spacing: -0.055em;
}
.category-link {
  display: inline-block;
  margin-top: 20px;
  font-weight: 800;
  color: var(--teal);
}
aside {
  margin: 70px 0;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.tool {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 17px;
  background: white;
  padding: 30px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  max-width: 880px;
}
.tool label {
  font-weight: 800;
  font-size: 0.9rem;
}
.tool input,
.tool select {
  display: block;
  width: 100%;
  margin-top: 7px;
  padding: 13px;
  border: 1px solid #b9c8c6;
  border-radius: 6px;
  font: inherit;
}
.tool button {
  background: var(--ink);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 14px;
  font-weight: 800;
  font-size: 1rem;
}
.result {
  background: var(--mint);
  padding: 16px;
  border-radius: 7px;
  min-height: 56px;
}
footer {
  background: var(--ink);
  color: white;
  padding: 50px max(4vw, 24px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
footer a {
  display: block;
  margin: 7px 0;
}
footer > p {
  grid-column: 1/-1;
  color: #b9c8c6;
  font-size: 0.8rem;
}
footer .disclosure {
  color: #e9b949;
}
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-visual {
    min-height: 330px;
  }
  .decision,
  .toolband,
  .product-detail {
    grid-template-columns: 1fr;
  }
  .category-grid,
  .products {
    grid-template-columns: repeat(2, 1fr);
  }
  .guides {
    grid-template-columns: 1fr 1fr;
  }
  header nav {
    display: none;
  }
  header.open nav {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 84px;
    background: var(--paper);
    padding: 20px;
    flex-direction: column;
  }
  .menu {
    display: block;
    margin-left: auto;
  }
  .row {
    grid-template-columns: 1fr;
  }
  .row.head {
    display: none;
  }
}
@media (max-width: 560px) {
  main {
    padding: 0 18px 70px;
  }
  .hero {
    padding-top: 35px;
  }
  .hero h1 {
    font-size: 2.8rem;
  }
  .category-grid,
  .products,
  .guides,
  .decision-grid,
  .tool,
  .toolband div:last-child {
    grid-template-columns: 1fr;
  }
  .sectionhead {
    align-items: start;
    flex-direction: column;
  }
  .actions {
    flex-direction: column;
  }
  .proof {
    flex-direction: column;
    gap: 5px;
  }
  .product-image {
    height: 180px;
  }
  .compare,
  .decision,
  .toolband {
    padding: 26px;
  }
  .hero-visual {
    min-height: 280px;
  }
  .tank {
    transform: scale(0.78) rotate(-3deg);
    left: 14%;
    top: 8%;
  }
}