:root {
  --ink: #171717;
  --paper: #fafafa;
  --muted: #646464;
  --line: #d8d8d8;
  --oxide: #8f2026;
  --green: #59715f;
  --steel: #303235;
  --blue: #dce8ec;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 54px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.54), rgba(0, 0, 0, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  display: block;
  width: clamp(132px, 14vw, 220px);
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
}

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

.nav-links a {
  text-decoration: none;
  text-shadow: 0 1px 16px rgba(0, 0, 0, 0.5);
}

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: end;
  overflow: hidden;
  background: var(--steel);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.26) 52%, rgba(0, 0, 0, 0.16)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.64), rgba(0, 0, 0, 0) 44%);
}

.hero-content {
  position: relative;
  width: min(760px, calc(100% - 36px));
  margin: 0 0 clamp(52px, 9vw, 104px) clamp(18px, 7vw, 92px);
  color: var(--white);
}

.kicker,
.section-label {
  margin: 0 0 10px;
  font-family: "Archivo", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kicker {
  color: #f2c6c6;
}

h1,
h2,
h3 {
  font-family: "Archivo", sans-serif;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(52px, 10vw, 112px);
}

.hero-copy {
  max-width: 600px;
  margin: 22px 0 28px;
  font-size: 21px;
  line-height: 1.38;
  color: rgba(255, 255, 255, 0.88);
}

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

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.spec-band {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(360px, 1.12fr);
  gap: clamp(28px, 5vw, 74px);
  align-items: center;
  padding: clamp(54px, 8vw, 96px) clamp(18px, 6vw, 84px);
  background: var(--white);
}

.spec-wrap {
  display: grid;
  gap: 32px;
}

.section-label {
  color: var(--oxide);
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
}

.spec-text p:last-child,
.application-copy p:last-child {
  max-width: 580px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.48;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.spec-grid div {
  min-height: 118px;
  padding: 20px;
  background: var(--paper);
}

.spec-grid dt {
  color: var(--muted);
  font-weight: 700;
}

.spec-grid dd {
  margin: 10px 0 0;
  font-family: "Archivo", sans-serif;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  color: var(--oxide);
}

.packaging-figure {
  margin: 0;
  background: #eff2f2;
}

.packaging-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.packaging-figure figcaption {
  padding: 12px 16px 16px;
  color: var(--muted);
  font-size: 14px;
}

.application-section {
  display: grid;
  grid-template-columns: minmax(320px, 0.74fr) minmax(360px, 1.26fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: clamp(54px, 8vw, 104px) clamp(18px, 6vw, 84px);
  background: var(--blue);
}

.application-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.feature-section {
  padding: clamp(54px, 8vw, 100px) clamp(18px, 6vw, 84px);
  background: var(--steel);
  color: var(--white);
}

.feature-heading {
  max-width: 800px;
  margin-bottom: 34px;
}

.feature-section .section-label {
  color: #b9d1bf;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.feature-list article {
  min-height: 250px;
  padding: 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.feature-number {
  display: block;
  margin-bottom: 44px;
  color: #b9d1bf;
  font-family: "Archivo", sans-serif;
  font-weight: 800;
}

.feature-list h3 {
  margin: 0 0 12px;
  font-size: 26px;
}

.feature-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 18px;
  line-height: 1.45;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(18px, 6vw, 84px);
  background: var(--ink);
  color: var(--white);
}

.site-footer p {
  margin: 0;
  font-weight: 700;
}

.site-footer a {
  color: #b9d1bf;
  font-weight: 700;
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding: 18px 16px;
  }

  .nav-links {
    display: none;
  }

  .brand img {
    width: 132px;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-image {
    object-position: 54% center;
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 16px 38px;
  }

  h1 {
    font-size: 50px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .spec-band,
  .application-section,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .application-section {
    padding-top: 0;
  }

  .application-media {
    order: -1;
    margin-inline: -18px;
  }

  .application-media img {
    aspect-ratio: 16 / 11;
  }

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

@media (max-width: 520px) {
  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 33px;
  }

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

  .site-footer {
    display: block;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 10px;
  }
}