:root {
  color-scheme: light;
  --ink: #16212b;
  --muted: #596877;
  --line: #d7e0e7;
  --paper: #f5f8f7;
  --white: #ffffff;
  --sea: #0a5d73;
  --sea-dark: #073745;
  --accent: #d48b34;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
}

.brand img {
  display: block;
  width: 156px;
  height: auto;
}

.nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  color: var(--sea-dark);
  font-size: 15px;
  font-weight: 700;
}

.nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  min-height: calc(100vh - 78px);
  background: var(--sea-dark);
  color: var(--white);
}

.hero-copy {
  align-self: center;
  padding: clamp(48px, 8vw, 104px) clamp(22px, 6vw, 72px);
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-copy p:not(.eyebrow) {
  max-width: 620px;
  color: #d9e4e8;
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button {
  background: var(--accent);
  color: #1b1209;
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.hero-media {
  min-height: 420px;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section {
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 76px);
  align-items: start;
  background: var(--white);
}

.intro > p {
  color: var(--muted);
  font-size: 18px;
}

.section-heading {
  max-width: 740px;
  margin-bottom: 34px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-card h3,
.product-card p {
  padding: 0 20px;
}

.product-card h3 {
  margin-top: 20px;
}

.product-card p {
  margin-bottom: 24px;
  color: var(--muted);
}

.quality {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 76px);
  background: #e9f0f1;
}

.quality-copy p:not(.eyebrow) {
  color: var(--muted);
}

.quality-list {
  display: grid;
  gap: 14px;
}

.quality-list div {
  padding: 20px;
  background: var(--white);
  border-left: 4px solid var(--sea);
  border-radius: 6px;
}

.quality-list strong,
.quality-list span {
  display: block;
}

.quality-list span {
  color: var(--muted);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 76px);
  background: var(--sea-dark);
  color: var(--white);
}

.contact-info p,
.contact-info li {
  color: #dce8eb;
}

.contact-info ul {
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.contact-info a {
  color: var(--white);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: clamp(20px, 4vw, 32px);
  background: var(--white);
  color: var(--ink);
  border-radius: 8px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
  color: var(--ink);
  background: #fbfdfd;
}

textarea {
  resize: vertical;
}

.success {
  padding: 12px 14px;
  border-radius: 6px;
  background: #dff3e5;
  color: #20592f;
  font-weight: 800;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px clamp(18px, 5vw, 72px);
  color: #dce8eb;
  background: #061f27;
}

@media (max-width: 820px) {
  .site-header,
  .footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .intro,
  .quality,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    min-height: 300px;
    order: -1;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}