:root {
  --blue-950: #021a31;
  --blue-900: #062545;
  --blue-800: #0a3a61;
  --blue-700: #0d5374;
  --cyan-500: #18c7d4;
  --teal-600: #0e9fad;
  --gray-950: #13202f;
  --gray-700: #526173;
  --gray-500: #7b8794;
  --gray-200: #dbe3ea;
  --gray-100: #eef3f7;
  --gray-050: #f7fafc;
  --white: #ffffff;
  --line: rgba(17, 39, 67, 0.12);
  --shadow: 0 20px 60px rgba(7, 26, 51, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--gray-950);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--white);
  color: var(--gray-950);
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--blue-950);
  white-space: nowrap;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 22px rgba(2, 26, 49, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 10px 11px;
  border-radius: 8px;
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--gray-100);
  color: var(--blue-800);
}

.nav-cta {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700)) !important;
  color: var(--white) !important;
}

.nav-whatsapp {
  border: 1px solid var(--line);
  color: var(--teal-600) !important;
}

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 76px));
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--blue-950);
  color: var(--white);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 16, 30, 0.9) 0%, rgba(2, 16, 30, 0.72) 38%, rgba(2, 16, 30, 0.32) 70%, rgba(2, 16, 30, 0.18) 100%),
    linear-gradient(0deg, rgba(2, 16, 30, 0.86) 0%, rgba(2, 16, 30, 0.22) 44%, rgba(2, 16, 30, 0.08) 100%);
}

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

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 130px 0 64px;
}

.eyebrow {
  color: var(--cyan-500);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
  letter-spacing: 0;
}

h1 {
  max-width: 880px;
  margin-top: 14px;
  font-size: clamp(40px, 5.6vw, 64px);
}

.hero p {
  max-width: 720px;
  margin: 24px 0 0;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.84);
}

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

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  background: var(--cyan-500);
  color: var(--blue-950);
  box-shadow: 0 12px 28px rgba(24, 199, 212, 0.24);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.28);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button.dark {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: var(--white);
  box-shadow: 0 12px 28px rgba(7, 26, 51, 0.16);
}

.button.light {
  background: var(--white);
  color: var(--blue-900);
  border-color: var(--line);
}

.hero-proof {
  display: none;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.proof-item {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 13px 16px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.contact-strip {
  display: none;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 750;
}

.contact-strip a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.38);
}

.section {
  padding: 88px 0;
}

.section.alt {
  background: var(--gray-050);
}

.section.dark {
  background: var(--blue-950);
  color: var(--white);
}

.container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head h2 {
  margin-top: 10px;
  font-size: clamp(30px, 4vw, 48px);
  color: inherit;
}

.section-head p,
.lead {
  color: var(--gray-700);
  font-size: 18px;
}

.dark .section-head p,
.dark .lead {
  color: rgba(255, 255, 255, 0.74);
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(7, 26, 51, 0.06);
}

.card h3 {
  font-size: 22px;
  color: var(--blue-900);
}

.card p {
  color: var(--gray-700);
}

.category-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-card ul,
.check-list,
.plain-list {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.category-card li,
.check-list li,
.plain-list li {
  position: relative;
  padding-left: 22px;
  margin: 9px 0;
  color: var(--gray-700);
}

.category-card li::before,
.check-list li::before,
.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-500);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 11px;
  border-radius: 8px;
  background: var(--gray-100);
  color: var(--blue-800);
  font-size: 14px;
  font-weight: 750;
}

.doc-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(20, 168, 199, 0.08), transparent 42%),
    var(--white);
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.doc-preview::after {
  content: "Sample Document - For Reference Only\A NovaChain Bio";
  position: absolute;
  top: 48%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-18deg);
  color: rgba(18, 56, 102, 0.13);
  font-size: clamp(24px, 4.4vw, 56px);
  font-weight: 900;
  text-align: center;
  white-space: pre;
  pointer-events: none;
}

.doc-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.doc-title {
  display: grid;
  gap: 5px;
}

.doc-title strong {
  color: var(--blue-950);
  font-size: 18px;
}

.doc-title span {
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 700;
}

.doc-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.doc-badge,
.status-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 9px;
  border-radius: 8px;
  background: rgba(24, 199, 212, 0.1);
  color: var(--blue-800);
  font-size: 12px;
  font-weight: 800;
}

.status-tag {
  background: rgba(7, 26, 51, 0.08);
}

.doc-fields {
  display: grid;
  gap: 9px;
  margin-top: 18px;
  position: relative;
  z-index: 1;
}

.doc-field {
  display: grid;
  grid-template-columns: minmax(120px, 0.72fr) minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 38px;
  border: 1px solid rgba(17, 39, 67, 0.1);
  border-radius: 8px;
  background: rgba(247, 250, 252, 0.88);
  padding: 9px 11px;
}

.doc-field span:first-child {
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 800;
}

.doc-field span:last-child {
  color: var(--blue-950);
  font-weight: 750;
}

.doc-report-table {
  display: grid;
  gap: 0;
  margin-top: 16px;
  border: 1px solid rgba(17, 39, 67, 0.12);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.doc-report-row {
  display: grid;
  grid-template-columns: 1.05fr 0.9fr 0.78fr 0.9fr;
  min-height: 42px;
  border-bottom: 1px solid rgba(17, 39, 67, 0.1);
  background: rgba(255, 255, 255, 0.82);
}

.doc-report-row:last-child {
  border-bottom: 0;
}

.doc-report-row.header {
  min-height: 36px;
  background: var(--blue-900);
  color: var(--white);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.doc-report-row span {
  display: flex;
  align-items: center;
  padding: 9px 10px;
  border-right: 1px solid rgba(17, 39, 67, 0.1);
  color: var(--gray-700);
  font-size: 13px;
}

.doc-report-row.header span {
  color: var(--white);
  border-right-color: rgba(255, 255, 255, 0.14);
}

.doc-report-row span:last-child {
  border-right: 0;
}

.doc-report-row:not(.header) span:nth-child(2),
.doc-report-row:not(.header) span:nth-child(3) {
  color: var(--blue-950);
  font-weight: 750;
}

.redacted-mark {
  display: inline-flex;
  width: min(110px, 100%);
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(7, 26, 51, 0.78), rgba(7, 26, 51, 0.44));
}

.doc-note {
  margin: 16px 0 0;
  padding: 12px 13px;
  border-left: 4px solid var(--cyan-500);
  border-radius: 8px;
  background: rgba(24, 199, 212, 0.08);
  color: var(--gray-700);
  font-size: 13px;
  position: relative;
  z-index: 1;
}

.documentation-panel {
  display: grid;
  gap: 18px;
}

.package-card,
.process-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(7, 26, 51, 0.05);
}

.package-card h3,
.process-card h3 {
  color: var(--blue-900);
  font-size: 20px;
}

.process-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  color: var(--gray-700);
}

.process-list strong {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue-900);
  color: var(--white);
  font-size: 13px;
}

.doc-line {
  height: 14px;
  margin: 14px 0;
  border-radius: 999px;
  background: var(--gray-200);
}

.doc-line.short {
  width: 58%;
}

.doc-line.mid {
  width: 76%;
}

.doc-table {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 24px;
}

.doc-cell {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(238, 243, 247, 0.82);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}

.page-hero {
  padding: 86px 0 58px;
  background:
    linear-gradient(135deg, rgba(20, 168, 199, 0.12), transparent 40%),
    var(--gray-050);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  color: var(--blue-950);
}

.page-hero p {
  max-width: 760px;
  color: var(--gray-700);
  font-size: 19px;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.product-chip {
  min-height: 58px;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 12px 14px;
  font-weight: 750;
  color: var(--blue-900);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-detail-card {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(7, 26, 51, 0.05);
}

.product-detail-card h3 {
  color: var(--blue-900);
  font-size: 21px;
}

.detail-row {
  display: grid;
  gap: 3px;
  color: var(--gray-700);
  font-size: 14px;
}

.detail-row strong {
  color: var(--gray-950);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rfq {
  background: var(--blue-950);
  color: var(--white);
}

.rfq-panel {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 34px;
  align-items: start;
}

form {
  display: grid;
  gap: 14px;
}

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

label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
  font-size: 14px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  padding: 12px 14px;
  font: inherit;
}

select option {
  color: var(--gray-950);
}

textarea {
  min-height: 132px;
  resize: vertical;
}

.notice {
  border-left: 4px solid var(--cyan-500);
  background: rgba(20, 168, 199, 0.09);
  padding: 16px 18px;
  border-radius: 8px;
  color: inherit;
}

.contact-fallback {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.84);
  font-weight: 700;
}

.blog-card {
  display: flex;
  min-height: 178px;
  flex-direction: column;
  justify-content: space-between;
}

.meta {
  color: var(--gray-500);
  font-size: 14px;
  font-weight: 700;
}

.footer {
  background: var(--blue-950);
  color: rgba(255, 255, 255, 0.78);
  padding: 54px 0 30px;
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  font-weight: 800;
}

.footer-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.24);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 28px;
}

.footer a {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.78);
}

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

.copyright {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 14px;
}

@media (max-width: 980px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }

  .hero-image {
    object-position: 38% center;
  }

  .hero-inner {
    padding-top: 150px;
  }

  .grid.three,
  .grid.two,
  .split,
  .rfq-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 620px) {
  .hero-inner {
    padding: 132px 0 58px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  h1 {
    font-size: 34px;
  }

  .hero p {
    font-size: 17px;
  }

  .hero-proof {
    margin-top: 24px;
  }

  h1 {
    font-size: 40px;
  }

  .section {
    padding: 64px 0;
  }

  .form-grid,
  .product-list,
  .product-detail-grid,
  .doc-field,
  .doc-report-row,
  .doc-table {
    grid-template-columns: 1fr;
  }

  .doc-report-row.header {
    display: none;
  }

  .doc-report-row span {
    border-right: 0;
    border-bottom: 1px solid rgba(17, 39, 67, 0.08);
  }

  .doc-report-row span:last-child {
    border-bottom: 0;
  }

  .doc-header {
    flex-direction: column;
  }

  .doc-badges {
    justify-content: flex-start;
  }

  .button {
    width: 100%;
  }
}