:root {
  --primary: #06153f;
  --primary-strong: #0d276d;
  --secondary: #c51c12;
  --secondary-soft: #f2cbc6;
  --surface: #f7f8fb;
  --surface-soft: #eef1f5;
  --surface-card: #ffffff;
  --surface-deep: #dfe5ef;
  --text: #10182f;
  --muted: #5e677d;
  --muted-soft: #8b93a8;
  --shadow-soft: 0 24px 56px rgba(6, 21, 63, 0.08);
  --shadow-deep: 0 20px 40px rgba(6, 21, 63, 0.16);
  --radius-sm: 6px;
  --radius-md: 18px;
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(197, 28, 18, 0.08), transparent 30%),
    linear-gradient(180deg, #f9fafc 0%, #f5f7fb 100%);
}

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

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

button {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.page-shell {
  min-height: 100vh;
}

.topbar {
  background: rgba(6, 21, 63, 0.96);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.85rem 0;
}

.topbar p {
  margin: 0;
}

.topbar a {
  color: #ffffff;
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 248, 251, 0.88);
  backdrop-filter: blur(14px);
}

.site-header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.2rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: "Space Grotesk", sans-serif;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand-logo {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 14px;
  object-fit: cover;
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.brand-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  color: var(--muted-soft);
}

.brand-title {
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.site-nav a {
  position: relative;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
  color: var(--muted);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.4rem;
  width: 100%;
  height: 2px;
  background: var(--secondary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary-strong), var(--primary));
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.button-secondary {
  background: rgba(6, 21, 63, 0.06);
  color: var(--primary);
}

.header-cta {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 3rem;
  height: 3rem;
  border: 0;
  background: rgba(6, 21, 63, 0.06);
  border-radius: 10px;
  padding: 0.7rem;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--primary);
  transform-origin: left;
  transition: transform 180ms ease, opacity 180ms ease;
}

.hero {
  position: relative;
  overflow: clip;
  padding: clamp(4.5rem, 7vw, 7rem) 0 4.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto auto 8% -10%;
  width: min(40rem, 70vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 28, 18, 0.12), transparent 70%);
  filter: blur(16px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.68);
}

.hero-copy h1,
.section-heading h2,
.about-copy h2,
.dossier-copy h2,
.contact-main h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 7vw, 5.6rem);
}

.hero-copy h1 span {
  color: var(--secondary);
}

.hero-text,
.section-heading p,
.about-copy p,
.dossier-copy p,
.contact-main p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.1rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.meta-card {
  position: relative;
  padding: 1.3rem 1.3rem 1.3rem 1.5rem;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
}

.meta-card::before,
.solution-card::before,
.micro-card::before,
.value-card::before,
.step-card::before,
.dossier-card::before,
.contact-card::before,
.spec-card::before,
.tank-photo-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--secondary);
}

.meta-card span,
.card-label,
.value-kicker,
.dossier-card span,
.contact-card span,
.footer-links span,
.video-card-body span,
.spec-card span,
.tank-photo-body span {
  display: block;
  margin-bottom: 0.7rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--muted-soft);
}

.meta-card strong {
  display: block;
  font-size: 1rem;
  line-height: 1.5;
}

.hero-visual {
  position: relative;
  min-height: 34rem;
}

.hero-panel {
  position: relative;
  padding: 1.2rem;
  background: linear-gradient(180deg, #ffffff, #ecf0f6);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-panel img {
  width: 100%;
  min-height: 32rem;
  object-fit: cover;
}

.hero-panel-badge {
  position: absolute;
  left: 1.2rem;
  right: 1.2rem;
  bottom: 1.2rem;
  padding: 1rem 1.1rem 1.05rem 1.2rem;
  background: linear-gradient(180deg, rgba(6, 21, 63, 0.78), rgba(6, 21, 63, 0.92));
  color: #ffffff;
}

.hero-panel-badge span {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.66);
}

.hero-panel-badge strong {
  display: block;
  line-height: 1.55;
}

.floating-note {
  position: absolute;
  max-width: 14.5rem;
  padding: 1.1rem 1.1rem 1rem 1.2rem;
  box-shadow: var(--shadow-deep);
  backdrop-filter: blur(10px);
}

.floating-note span {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.floating-note strong {
  display: block;
  line-height: 1.45;
}

.floating-note-dark {
  left: -0.85rem;
  top: 2.4rem;
  background: var(--primary);
  color: #ffffff;
}

.floating-note-light {
  right: -0.85rem;
  bottom: 5.8rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
}

.section {
  padding: clamp(4.5rem, 7vw, 6.5rem) 0;
}

.section-soft {
  background: var(--surface-soft);
}

.section-dark {
  position: relative;
  background: linear-gradient(180deg, var(--primary) 0%, #09102c 100%);
  color: #ffffff;
  overflow: clip;
}

.section-dark::after {
  content: "";
  position: absolute;
  right: -10rem;
  top: 4rem;
  width: 24rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 28, 18, 0.16), transparent 72%);
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 2.4rem;
}

.section-heading h2,
.about-copy h2,
.dossier-copy h2,
.contact-main h2 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  grid-template-areas:
    "large dark"
    "large base";
  gap: 1.1rem;
}

.solution-card {
  position: relative;
  padding: 2rem 2rem 2rem 2.1rem;
  background: rgba(255, 255, 255, 0.9);
  min-height: 16rem;
  box-shadow: var(--shadow-soft);
}

.solution-card-large {
  grid-area: large;
  min-height: 30rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)),
    url("./assets/media/freeze-dry-line.jpeg") center/cover no-repeat;
}

.solution-card-dark {
  grid-area: dark;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.08), transparent 45%),
    linear-gradient(160deg, var(--primary) 0%, #0c1946 100%);
  color: #ffffff;
}

.solution-card h3,
.micro-card h3,
.value-card h3,
.step-card h3,
.dossier-card h3,
.video-card h3,
.spec-card h3 {
  margin: 0 0 0.75rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2vw, 2rem);
  letter-spacing: -0.04em;
}

.solution-card p,
.micro-card p,
.value-card p,
.step-card p,
.dossier-card p,
.contact-card p,
.footer-brand p,
.video-card p,
.spec-card li,
.tank-photo-body p {
  margin: 0;
  color: inherit;
  line-height: 1.65;
}

.solution-card-dark .card-label,
.solution-card-dark p,
.solution-card-dark .text-link {
  color: rgba(255, 255, 255, 0.82);
}

.feature-list {
  display: grid;
  gap: 0.55rem;
  margin: 1.3rem 0 1.7rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  color: var(--muted);
  font-weight: 500;
}

.feature-list li::before {
  content: "•";
  margin-right: 0.5rem;
  color: var(--secondary);
}

.solution-media {
  margin-top: 1.25rem;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

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

.text-link,
.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

.text-link::after {
  content: "→";
}

.chip-link {
  width: fit-content;
  padding: 0.7rem 0.9rem;
  background: rgba(197, 28, 18, 0.16);
  color: #ffffff;
}

.micro-grid,
.value-grid,
.service-steps,
.dossier-grid,
.spec-grid,
.video-grid {
  display: grid;
  gap: 1.1rem;
}

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

.micro-grid {
  margin-top: 1.1rem;
}

.micro-card,
.value-card,
.step-card,
.dossier-card,
.contact-card,
.spec-card,
.tank-photo-card {
  position: relative;
  padding: 1.8rem 1.6rem 1.7rem 1.8rem;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
}

.micro-card span,
.step-card span,
.about-points article span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 0.85rem;
  background: rgba(197, 28, 18, 0.1);
  color: var(--secondary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.about-copy p {
  color: rgba(255, 255, 255, 0.78);
  margin-top: 1.2rem;
}

.about-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 2rem;
}

.about-points article {
  padding: 1rem 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.06);
}

.about-points article strong {
  display: block;
  line-height: 1.55;
  font-size: 0.95rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.about-stats article {
  padding: 1rem 1rem 1.05rem;
  background: rgba(255, 255, 255, 0.06);
}

.about-stats span {
  display: block;
  margin-bottom: 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.about-stats small {
  color: rgba(255, 255, 255, 0.66);
}

.visual-panel {
  padding: 1rem;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-deep);
}

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

.visual-quote {
  margin-top: 1rem;
  margin-left: auto;
  max-width: 18rem;
  padding: 1rem 1.1rem 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-soft);
}

.visual-quote span {
  display: block;
  margin-bottom: 0.65rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.62);
}

.visual-quote strong {
  line-height: 1.6;
}

.service-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-card {
  min-height: 15rem;
}

.dossier-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 1.2rem;
  align-items: start;
}

.dossier-copy {
  position: sticky;
  top: 7.5rem;
  padding-right: 1rem;
}

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

.dossier-card-media {
  padding: 0;
  overflow: hidden;
}

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

.dossier-body {
  padding: 1.4rem 1.4rem 1.45rem 1.6rem;
}

.tank-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 1.1rem;
  align-items: start;
}

.tank-media-stack {
  display: grid;
  gap: 1rem;
}

.tank-photo-card {
  padding: 0;
  overflow: hidden;
}

.tank-photo-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #ffffff;
}

.tank-photo-body {
  padding: 1.3rem 1.3rem 1.35rem 1.5rem;
}

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

.spec-card {
  min-height: 100%;
}

.spec-list {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--muted);
  display: grid;
  gap: 0.65rem;
}

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

.video-card {
  overflow: hidden;
  background: linear-gradient(180deg, #0b163f 0%, #08112c 100%);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.video-card video {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #000000;
}

.video-card-body {
  padding: 1.3rem 1.35rem 1.45rem;
}

.video-card-body span {
  color: rgba(255, 255, 255, 0.62);
}

.video-card-body p {
  color: rgba(255, 255, 255, 0.78);
}

.section-contact {
  background:
    radial-gradient(circle at top right, rgba(197, 28, 18, 0.09), transparent 36%),
    linear-gradient(180deg, #f3f5f9 0%, #edf1f6 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 1.2rem;
  align-items: start;
}

.contact-main {
  padding-right: 1rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.contact-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card {
  min-height: 100%;
}

.contact-card-accent {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78)),
    linear-gradient(135deg, rgba(197, 28, 18, 0.07), transparent);
}

.contact-lines,
.schedule {
  display: grid;
  gap: 0.8rem;
}

.contact-lines a,
.contact-card a {
  font-weight: 600;
}

.schedule div {
  display: grid;
  gap: 0.2rem;
}

.schedule em {
  color: var(--muted);
  font-style: normal;
}

.site-footer {
  background: #09102c;
  color: #ffffff;
  padding-top: 3.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.65fr 0.65fr;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.footer-brand .brand {
  margin-bottom: 1rem;
}

.footer-brand p {
  max-width: 26rem;
  color: rgba(255, 255, 255, 0.7);
}

.brand-footer .brand-kicker {
  color: rgba(255, 255, 255, 0.52);
}

.footer-links {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.76);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 0 2rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.92rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.82);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 420ms ease,
    transform 420ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .site-header-inner {
    grid-template-columns: auto 1fr auto;
  }

  .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.4rem);
    display: none;
    padding: 1rem;
    background: rgba(247, 248, 251, 0.98);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    gap: 1rem;
  }

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

  .nav-toggle {
    display: inline-flex;
    justify-self: end;
  }

  .header-cta {
    display: none;
  }

  .hero-grid,
  .about-grid,
  .dossier-layout,
  .contact-grid,
  .footer-grid,
  .tank-layout {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "large"
      "dark"
      "base";
  }

  .hero-visual {
    min-height: auto;
    margin-top: 1rem;
  }

  .hero-panel img {
    min-height: auto;
  }

  .floating-note-dark {
    left: 1rem;
    bottom: 1rem;
  }

  .floating-note-light {
    right: 1rem;
    top: 1rem;
  }

  .micro-grid,
  .value-grid,
  .service-steps,
  .contact-panel,
  .spec-grid,
  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dossier-copy {
    position: static;
    padding-right: 0;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(var(--container), calc(100% - 1.2rem));
  }

  .topbar-inner,
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-header-inner {
    gap: 0.9rem;
    padding: 1rem 0;
  }

  .brand-logo {
    width: 2.8rem;
    height: 2.8rem;
  }

  .brand-title {
    font-size: 1.1rem;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-meta,
  .micro-grid,
  .value-grid,
  .service-steps,
  .dossier-grid,
  .contact-panel,
  .about-points,
  .about-stats,
  .spec-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .floating-note {
    position: static;
    max-width: none;
    margin-top: 0.9rem;
  }

  .hero-panel-badge {
    position: static;
    margin-top: 0.9rem;
  }
}