:root {
  --ink: #15211d;
  --muted: #687871;
  --line: #dfe8e4;
  --panel: #f5f8f6;
  --panel-strong: #e8f1ed;
  --white: #ffffff;
  --green: #16815b;
  --green-dark: #0f563f;
  --blue: #24556b;
  --shadow: 0 20px 60px rgba(18, 45, 34, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 34px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.brand strong {
  color: var(--green);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid #b7d4c7;
  border-radius: 8px;
  color: var(--green-dark);
  background: #f0f8f4;
}

.brand small {
  display: block;
  margin-top: 1px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--white);
  padding: 8px 12px;
  font-weight: 800;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #2e3935;
  font-size: 14px;
  font-weight: 800;
}

.nav-contact {
  border: 1px solid #a9cfc0;
  border-radius: 7px;
  padding: 9px 15px;
  color: var(--green-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(460px, 1.08fr);
  align-items: center;
  gap: 48px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 76px 28px 60px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(38px, 4vw, 56px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.13;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.25;
}

.lead {
  color: #3d4c46;
  font-size: 18px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid #a9cfc0;
  border-radius: 7px;
  padding: 10px 18px;
  color: var(--green-dark);
  font-weight: 900;
}

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

.hero-media,
.visual-card,
.feature-image,
.support-panel,
.review-card,
.product-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-media {
  border-radius: 18px;
}

.hero-media img,
.visual-card img,
.wide-image img,
.feature-image img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 620px;
  margin-top: 26px;
}

.hero-badges span,
.pill {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid #cfe4db;
  border-radius: 999px;
  background: #f2faf6;
  padding: 7px 11px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.engineering-block {
  display: grid;
  gap: 22px;
}

.engineering-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 44px;
}

.engineering-intro .visual-card img {
  aspect-ratio: 16 / 8.5;
}

.engineering-cards .card {
  min-height: 190px;
}

.section {
  padding: 74px 28px;
}

.section.alt {
  background: var(--panel);
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: 48px;
}

.split.reverse {
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1fr);
}

.grid {
  display: grid;
  gap: 20px;
}

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

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  padding: 24px;
  box-shadow: 0 12px 34px rgba(18, 45, 34, 0.06);
}

.card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
}

.card p,
.product-card p,
.support-panel p,
.review-card p {
  color: var(--muted);
}

.support-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.support-option {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  padding: 22px;
  box-shadow: var(--shadow);
}

.support-option span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.support-option p {
  color: var(--muted);
}

.support-cta {
  display: grid;
  grid-template-columns: minmax(360px, 0.85fr) minmax(0, 1fr);
  align-items: center;
  gap: 42px;
}

.page-hero {
  background: linear-gradient(180deg, #f6faf8 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
  padding: 68px 28px;
}

.page-hero .section-inner {
  max-width: 1050px;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-card img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  background: #f9fbfa;
  border-bottom: 1px solid var(--line);
}

.product-card-body {
  padding: 22px;
}

.product-card .button {
  width: 100%;
  margin-top: 12px;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.product-main {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfcfb;
  padding: 20px;
}

.product-main img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.thumbs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.thumbs button,
.size-options button {
  cursor: pointer;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.thumbs button {
  padding: 5px;
}

.thumbs button.active,
.size-options button.active {
  border-color: var(--green);
  box-shadow: 0 0 0 2px rgba(22, 129, 91, 0.12);
}

.thumbs img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
}

.product-info h2 {
  font-size: clamp(28px, 3vw, 40px);
}

.price-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
}

.price {
  font-size: 26px;
  font-weight: 900;
  color: var(--green-dark);
}

.rating {
  border-left: 1px solid var(--line);
  padding-left: 12px;
  color: #2d473d;
  font-weight: 800;
}

.size-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}

.size-options button {
  min-width: 110px;
  padding: 10px 12px;
  color: var(--ink);
  font-weight: 900;
  text-align: left;
}

.size-options small {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.bullets {
  padding-left: 20px;
  color: #31423b;
}

.bullets li {
  margin-bottom: 10px;
}

.description-images {
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-bottom: 0;
  background: var(--white);
}

.description-images img {
  display: block;
  width: 100%;
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.support-panel {
  padding: 26px;
}

.support-form {
  display: grid;
  gap: 14px;
}

.support-form label {
  display: grid;
  gap: 6px;
  color: #30423b;
  font-weight: 800;
}

.support-form input,
.support-form textarea {
  width: 100%;
  border: 1px solid #cddbd5;
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--ink);
  font: inherit;
}

.support-form textarea {
  min-height: 130px;
  resize: vertical;
}

.wide-image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px;
  border-top: 1px solid #123f2d;
  background: #102b20;
  color: #ecfff5;
}

.site-footer span,
.site-footer p {
  color: #bad1c7;
}

.site-footer strong,
.site-footer a {
  color: #ffffff;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    padding: 16px 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
  }

  .nav-contact {
    border: 0;
    color: inherit;
  }

  .hero,
  .split,
  .split.reverse,
  .engineering-intro,
  .support-cta,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }

  .grid.cols-3,
  .grid.cols-2,
  .hero-badges,
  .support-options,
  .product-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 20px;
  }

  .site-footer {
    flex-direction: column;
  }
}

.footer-links {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.86rem;
}

.footer-links a {
  color: inherit;
  opacity: 0.72;
  text-decoration: none;
}

.footer-links a:hover {
  opacity: 1;
}


.legal-hero {
  padding-bottom: 32px;
}

.legal-page {
  display: grid;
  gap: 22px;
  max-width: 920px;
}

.legal-page article {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border, rgba(148, 163, 184, 0.24));
}

.legal-page h2 {
  margin: 0 0 10px;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
}

.legal-page p {
  margin: 0;
  color: var(--muted, #5f6b7a);
  line-height: 1.75;
}

.form-status {
  margin: 12px 0 0;
  font-weight: 700;
  line-height: 1.5;
}

.form-status[data-state="success"] {
  color: #0f7a4d;
}

.form-status[data-state="error"] {
  color: #b42318;
}

.form-status[data-state="pending"] {
  color: var(--muted, #66717b);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


.support-helper {
  display: inline-flex;
  width: fit-content;
  margin: 14px 0 18px;
  padding: 10px 14px;
  border: 1px solid var(--line, #dbe6ee);
  border-radius: 8px;
  background: var(--panel, #f7fafc);
  color: var(--blue, var(--steel, #245a78));
  font-weight: 800;
  text-decoration: none;
}

.gift-compliance .compliance-note {
  max-width: 900px;
  padding: 18px 20px;
  border: 1px solid var(--line, #dbe6ee);
  border-radius: 8px;
  background: var(--panel, #f7fafc);
  color: var(--muted, #66717b);
  line-height: 1.7;
}