:root {
  --green: #174d3a;
  --green-2: #236249;
  --aqua: #1f8a8a;
  --concrete: #d8d6d0;
  --sand: #c2a875;
  --ink: #20231f;
  --muted: #62675f;
  --warm: #f7f6f0;
  --white: #fffdf8;
  --line: rgba(32, 35, 31, .14);
  --shadow: 0 24px 70px rgba(24, 37, 31, .16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--warm);
  font-family: Inter, "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 246, 240, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--green);
  font-size: 1.12rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border: 2px solid currentColor;
  border-radius: 7px;
  background:
    linear-gradient(90deg, transparent 45%, currentColor 45% 55%, transparent 55%),
    linear-gradient(0deg, transparent 45%, currentColor 45% 55%, transparent 55%),
    radial-gradient(circle at 50% 50%, var(--aqua) 0 21%, transparent 23%);
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  font-size: .94rem;
  font-weight: 650;
}

.main-nav a,
.site-footer a {
  text-decoration: none;
}

.main-nav a:hover,
.site-footer a:hover {
  color: var(--aqua);
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 780;
  text-decoration: none;
  cursor: pointer;
}

.header-cta {
  color: var(--white);
  background: var(--green);
  font-size: .92rem;
}

.hero {
  position: relative;
  min-height: clamp(620px, 88vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center center;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(15, 31, 24, .91), rgba(15, 31, 24, .6) 44%, rgba(15, 31, 24, .06)),
    linear-gradient(0deg, rgba(15, 31, 24, .72), transparent 42%);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  margin: 0 0 clamp(44px, 8vw, 90px) clamp(18px, 7vw, 92px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--aqua);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #70d8d3;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  font-family: "Work Sans", Inter, system-ui, sans-serif;
  letter-spacing: 0;
}

h1 {
  max-width: 14ch;
  font-size: clamp(2.55rem, 5.6vw, 5.9rem);
}

h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 3.8vw, 4rem);
}

h3 {
  font-size: 1.12rem;
}

.hero-copy {
  max-width: 640px;
  margin: 22px 0 0;
  color: rgba(255, 253, 248, .88);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button.primary {
  color: var(--white);
  background: var(--aqua);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, .42);
  background: rgba(255, 255, 255, .1);
}

.button.secondary.dark {
  color: var(--green);
  border-color: rgba(23, 77, 58, .3);
  background: rgba(255, 253, 248, .4);
}

.button.whatsapp {
  color: var(--white);
  background: #168a58;
}

.button:hover,
.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(18, 50, 38, .18);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 18px;
  color: var(--green);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.trust-strip span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .86rem;
  font-weight: 750;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(68px, 10vw, 116px) 0;
}

.two-column,
.solution,
.technical,
.quote,
.installation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .95fr);
  gap: clamp(34px, 7vw, 76px);
  align-items: center;
}

.section p {
  color: var(--muted);
  font-size: 1.02rem;
}

.problem {
  border-bottom: 1px solid var(--line);
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 15px 16px 15px 46px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(32, 35, 31, .06);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 17px;
  width: 14px;
  height: 8px;
  border: solid var(--aqua);
  border-width: 0 0 3px 3px;
  transform: rotate(-45deg);
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2 {
  max-width: 18ch;
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(320px, .82fr) 1fr;
  gap: 28px;
  align-items: stretch;
}

.product-media {
  display: grid;
  grid-template-rows: auto auto 1fr;
  margin: 0;
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-media img,
.installation-media img,
.applications img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border-radius: 6px;
  object-fit: cover;
}

.product-media img.contain-image,
.applications img.contain-image {
  object-fit: contain;
  background: #f3f3f0;
}

.product-media img.product-shot {
  height: clamp(360px, 44vw, 520px);
  min-height: 0;
  object-fit: cover;
  object-position: center 18%;
}

figcaption {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: .84rem;
}

.product-highlights {
  align-self: center;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px 22px;
  padding: 24px 0;
  margin: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.product-highlights li {
  position: relative;
  padding-left: 19px;
  color: var(--green);
  font-size: .9rem;
  font-weight: 800;
}

.product-highlights li::before {
  content: "";
  position: absolute;
  top: .62em;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--aqua);
  border-radius: 50%;
}

.benefit-grid,
.case-grid,
.supply-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.benefit-grid article,
.case-grid article,
.application-list article,
.supply-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.benefit-grid p,
.case-grid p,
.application-list p {
  margin-bottom: 0;
  font-size: .96rem;
}

.supply-options {
  border-bottom: 1px solid var(--line);
}

.supply-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.supply-grid article {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 250px;
  border-top: 5px solid var(--aqua);
}

.supply-grid h3 {
  max-width: 13ch;
}

.supply-grid p {
  margin: 0;
  font-size: .96rem;
}

.option-number {
  display: inline-flex;
  width: fit-content;
  padding: 5px 9px;
  color: var(--green);
  background: rgba(31, 138, 138, .12);
  border: 1px solid rgba(31, 138, 138, .22);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 850;
}

.icon {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 16px;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-weight: 800;
}

.solution {
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - 1180px) / 2));
  color: var(--white);
  background: var(--green);
}

.solution p {
  color: rgba(255, 253, 248, .76);
}

.solution h2 {
  max-width: 17ch;
}

.layer-diagram {
  display: grid;
  gap: 8px;
  padding: 22px;
  background: rgba(255, 253, 248, .08);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 8px;
}

.plant-row {
  height: 58px;
  background:
    radial-gradient(ellipse at 18% 100%, #6f9c4d 0 26%, transparent 27%),
    radial-gradient(ellipse at 38% 100%, #3d753b 0 34%, transparent 35%),
    radial-gradient(ellipse at 58% 100%, #7da95d 0 28%, transparent 29%),
    radial-gradient(ellipse at 78% 100%, #315e36 0 38%, transparent 39%);
}

.layer {
  min-height: 42px;
  display: flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 5px;
  font-weight: 800;
}

.soil {
  color: #2b2417;
  background: repeating-linear-gradient(45deg, #8a6840 0 10px, #775936 10px 18px);
}

.geotextile {
  color: var(--ink);
  background: #efeee9;
}

.drain {
  color: var(--white);
  background:
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(31, 138, 138, .65) 34px 38px),
    #121512;
}

.waterproof {
  color: #052d31;
  background: var(--aqua);
}

.slab {
  color: var(--ink);
  background: var(--concrete);
}

.application-layout {
  display: grid;
  grid-template-columns: minmax(320px, .94fr) 1fr;
  gap: 24px;
}

.application-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.installation {
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - 1180px) / 2));
  background: #e9e7df;
}

.installation-media img {
  box-shadow: var(--shadow);
}

.installation-media {
  align-self: start;
}

.installation-media > img {
  margin-bottom: 18px;
}

.installation-media .button {
  width: fit-content;
}

.steps {
  counter-reset: steps;
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 24px 0;
  list-style: none;
}

.steps li {
  counter-increment: steps;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: center;
}

.steps li::before {
  content: counter(steps);
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--green);
  border-radius: 50%;
  font-size: .86rem;
  font-weight: 850;
}

.precheck-list {
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 18px 0 22px;
  list-style: none;
}

.precheck-list li {
  padding: 11px 13px;
  color: #334137;
  background: rgba(255, 253, 248, .5);
  border-left: 4px solid var(--aqua);
  border-radius: 4px;
  font-size: .95rem;
}

.installation-details {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 12px;
  margin: 0 0 22px;
}

.installation-detail {
  margin: 22px 0 24px;
  padding: 12px;
  background: rgba(255, 253, 248, .58);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.installation-details .installation-detail {
  margin: 0;
}

.installation-detail img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 6px;
}

.installation-detail figcaption {
  margin-top: 10px;
}

.critical-note {
  margin: 0 0 24px;
  padding: 14px 16px;
  color: var(--green);
  background: rgba(194, 168, 117, .18);
  border: 1px solid rgba(194, 168, 117, .45);
  border-radius: 8px;
}

.technical {
  align-items: start;
}

.spec-table {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.spec-table div {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 16px;
  padding: 17px 20px;
  border-bottom: 1px solid var(--line);
}

.spec-table div:last-child {
  border-bottom: 0;
}

.spec-table span {
  color: var(--muted);
}

.spec-note {
  grid-column: 2;
  margin: 12px 0 0;
  padding: 14px 16px;
  background: rgba(31, 138, 138, .08);
  border-left: 4px solid var(--aqua);
  border-radius: 4px;
  font-size: .92rem;
}

.cases {
  border-top: 1px solid var(--line);
}

.proof-gallery {
  display: grid;
  grid-template-columns: 1.15fr 1.15fr .85fr .85fr;
  gap: 14px;
  margin-top: 24px;
}

.proof-gallery img,
.gallery-figure img {
  width: 100%;
  height: clamp(260px, 30vw, 390px);
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(32, 35, 31, .1);
}

.gallery-figure {
  margin: 0;
}

.gallery-figure figcaption {
  margin-top: 8px;
  padding-left: 2px;
}

.proof-gallery img:first-child {
  object-position: center;
}

.faq {
  width: 100%;
  max-width: none;
  padding-inline: max(18px, calc((100vw - 1180px) / 2));
  background: var(--white);
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--warm);
}

summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 16px 20px;
  color: var(--green);
  font-weight: 820;
  cursor: pointer;
}

details p {
  margin: 0;
  padding: 0 20px 20px;
}

.quote {
  align-items: start;
}

.quote-copy {
  position: sticky;
  top: 92px;
}

.quote-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  color: var(--green);
  font-size: .88rem;
  font-weight: 790;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fbfaf5;
  border: 1px solid rgba(32, 35, 31, .18);
  border-radius: 6px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(31, 138, 138, .22);
  border-color: var(--aqua);
}

.form-note {
  margin: 0;
  font-size: .9rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 34px clamp(18px, 4vw, 56px);
  color: rgba(255, 253, 248, .78);
  background: var(--ink);
}

.site-footer .brand {
  color: var(--white);
}

.site-footer p {
  margin: 10px 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-weight: 720;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .two-column,
  .solution,
  .technical,
  .quote,
  .installation,
  .product-grid,
  .application-layout {
    grid-template-columns: 1fr;
  }

  .quote-copy {
    position: static;
  }

  .spec-note {
    grid-column: auto;
  }

  .installation-details {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 12ch;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 12px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background:
      linear-gradient(0deg, rgba(15, 31, 24, .94), rgba(15, 31, 24, .38)),
      linear-gradient(90deg, rgba(15, 31, 24, .8), rgba(15, 31, 24, .15));
  }

  .hero-content {
    margin: 0 auto 36px;
  }

  h1 {
    max-width: 11ch;
    font-size: 2.5rem;
  }

  h2 {
    max-width: 13ch;
    font-size: 2rem;
  }

  .benefit-grid,
  .case-grid,
  .supply-grid,
  .product-highlights,
  .application-list,
  .proof-gallery {
    grid-template-columns: 1fr;
  }

  .product-media img,
  .installation-media img,
  .applications img {
    min-height: 260px;
  }

  .spec-table div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}