:root {
  --ink: #13212b;
  --muted: #5a6b78;
  --line: #dbe5eb;
  --paper: #ffffff;
  --soft: #f2f7f8;
  --navy: #123447;
  --teal: #0e8b82;
  --teal-dark: #086d67;
  --amber: #c77d2c;
  --shadow: 0 22px 60px rgba(19, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 5vw, 64px);
  border-bottom: 1px solid rgba(219, 229, 235, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  font-size: 20px;
  font-weight: 800;
  text-decoration: none;
}

.brand-logo {
  width: 118px;
  height: 46px;
  object-fit: contain;
}

.nav {
  display: flex;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav a,
.header-cta,
.button,
.info-card a {
  text-decoration: none;
}

.nav a:hover,
.info-card a:hover {
  color: var(--teal);
}

.header-cta,
.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-weight: 800;
}

.header-cta {
  padding: 10px 16px;
  color: #fff;
  background: var(--teal);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  min-height: calc(100vh - 66px);
  padding: clamp(44px, 7vw, 84px) clamp(18px, 5vw, 64px) 38px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.72)),
    linear-gradient(135deg, #ffffff 0%, #edf6f5 100%);
}

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

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

h1 {
  max-width: 830px;
  margin-bottom: 22px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

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

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 19px;
}

.hero-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 26px;
}

.button {
  border: 0;
  padding: 13px 19px;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
}

.button.primary {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 12px 30px rgba(14, 139, 130, 0.26);
}

.button.primary:hover,
.header-cta:hover {
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--navy);
  border: 1px solid var(--line);
  background: #fff;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 600px;
  gap: 12px;
  margin: 34px 0 0;
}

.proof-grid div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.proof-grid dt {
  color: var(--navy);
  font-size: 24px;
  font-weight: 800;
}

.proof-grid dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-media img {
  display: block;
  width: 100%;
  min-height: 430px;
  max-height: 650px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.real-proof {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 14px;
  padding: 0 clamp(18px, 5vw, 64px) clamp(44px, 6vw, 70px);
  background: linear-gradient(180deg, #eef6f5 0%, #fff 100%);
}

.real-proof img {
  display: block;
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.buyer-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 0 clamp(18px, 5vw, 64px) clamp(44px, 6vw, 70px);
  background: #fff;
}

.buyer-strip div {
  display: grid;
  gap: 6px;
  min-height: 116px;
  align-content: center;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
}

.buyer-strip strong {
  color: var(--navy);
  font-size: 17px;
}

.buyer-strip span {
  color: var(--muted);
  font-size: 14px;
}

.section,
.rfq-band {
  padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 64px);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 30px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
}

.rfq-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 54px);
  align-items: start;
  background: var(--navy);
  color: #fff;
}

.rfq-band .eyebrow {
  color: #66d0c8;
}

.rfq-band .section-heading p,
.rfq-band a {
  color: #d8e8ee;
}

.rfq-form {
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.hidden-field {
  position: absolute;
  left: -10000px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 16px;
  color: #27404e;
  font-size: 13px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(14, 139, 130, 0.18);
  border-color: var(--teal);
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.form-note.success {
  color: var(--teal-dark);
}

.form-note.error {
  color: #a33a24;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  min-height: 240px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.info-card img {
  display: block;
  width: 100%;
  height: 142px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
  background: #f8fbfc;
}

.info-card h3,
.info-card p,
.info-card a {
  margin-right: 22px;
  margin-left: 22px;
}

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

.info-card a {
  display: inline-flex;
  margin-bottom: 22px;
}

.info-card p {
  color: var(--muted);
}

.info-card a {
  color: var(--teal-dark);
  font-weight: 800;
}

.gallery-section {
  padding-top: 18px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.gallery-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  background: #f7fafb;
}

.gallery-card h3 {
  min-height: 52px;
  margin: 16px 16px 8px;
  font-size: 17px;
}

.gallery-card a {
  display: inline-flex;
  margin: 0 16px 18px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.gallery-card a:hover {
  color: var(--navy);
}

.tinted {
  background: var(--soft);
}

.material-list,
.industry-row,
.quality-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

.material-grid article,
.matrix-grid div {
  min-height: 178px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.material-grid h3,
.matrix-grid h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 19px;
}

.material-grid p,
.matrix-grid p,
.section-note {
  color: var(--muted);
}

.material-grid a {
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.material-grid a:hover {
  color: var(--navy);
}

.material-list span,
.industry-row span,
.quality-grid div {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  background: #fff;
  color: var(--navy);
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 5vw, 60px);
}

.steps {
  display: grid;
  gap: 18px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 17px;
}

.steps strong {
  color: var(--ink);
}

.capability-box {
  padding: 28px;
  border-left: 5px solid var(--amber);
  border-radius: 8px;
  background: var(--soft);
}

.capability-box img {
  display: block;
  width: 100%;
  height: 180px;
  margin-bottom: 22px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: #fff;
}

.capability-box ul {
  margin-bottom: 0;
  padding-left: 20px;
  color: var(--muted);
}

.video-section {
  background: #0e1d27;
  color: #fff;
}

.video-section .eyebrow {
  color: #66d0c8;
}

.video-section .section-heading p {
  color: #d8e8ee;
}

.video-section video {
  display: block;
  width: min(100%, 1120px);
  max-height: 620px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #000;
  box-shadow: var(--shadow);
}

.capability-matrix {
  padding-top: 18px;
}

.section-note {
  max-width: 860px;
  margin: 22px 0 0;
  font-size: 15px;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.72fr);
  gap: clamp(28px, 5vw, 58px);
  align-items: center;
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 64px);
  background: linear-gradient(135deg, #ffffff 0%, #edf6f5 100%);
}

.landing-hero img {
  display: block;
  width: 100%;
  min-height: 360px;
  max-height: 560px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.landing-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.55fr);
  gap: clamp(28px, 5vw, 54px);
}

.landing-detail p,
.policy-page p,
.policy-page li {
  color: var(--muted);
}

.landing-detail ul {
  display: grid;
  gap: 12px;
  padding-left: 20px;
  color: var(--muted);
  font-size: 17px;
}

.landing-rfq-box {
  align-self: start;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.policy-page {
  max-width: 920px;
  padding: clamp(54px, 8vw, 96px) clamp(18px, 5vw, 64px);
}

.policy-page h1 {
  font-size: clamp(36px, 5vw, 58px);
}

.policy-page h2 {
  margin-top: 34px;
  font-size: 26px;
}

.faq {
  max-width: 1040px;
  margin: 0 auto;
}

details {
  border-top: 1px solid var(--line);
  padding: 20px 0;
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  color: var(--navy);
  font-size: 18px;
  font-weight: 800;
}

details p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
}

.final-cta {
  padding: clamp(52px, 8vw, 90px) clamp(18px, 5vw, 64px);
  color: #fff;
  background: linear-gradient(135deg, var(--navy), #0b5b5c);
}

.final-cta p {
  max-width: 680px;
  color: #d8e8ee;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 5vw, 64px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.mobile-rfq {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  display: none;
  min-height: 44px;
  align-items: center;
  border-radius: 6px;
  padding: 10px 14px;
  color: #fff;
  background: var(--teal);
  box-shadow: var(--shadow);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .rfq-band,
  .split,
  .landing-hero,
  .landing-detail {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-media img {
    min-height: 320px;
  }

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

  .buyer-strip,
  .material-grid,
  .matrix-grid {
    grid-template-columns: 1fr;
  }

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

  .real-proof {
    grid-template-columns: 1fr;
  }

  .real-proof img {
    height: 260px;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 12px;
  }

  .brand {
    font-size: 17px;
  }

  .brand-logo {
    width: 92px;
    height: 36px;
  }

  .header-cta {
    display: none;
  }

  h1 {
    font-size: 38px;
  }

  .hero-actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .proof-grid,
  .form-grid,
  .card-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .info-card {
    min-height: auto;
  }

  .site-footer {
    display: block;
  }

  .mobile-rfq {
    display: inline-flex;
  }
}