/* =========================================================
   DIGITAL VACUUM SYSTEMS
   Clean production stylesheet
   ========================================================= */

/* ---------- Reset + variables ---------- */

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

:root {
  --ink: #07111f;
  --ink-2: #0d1a2b;
  --ink-3: #14253a;
  --blue: #0776d8;
  --blue-2: #0ea5ff;
  --text: #182334;
  --muted: #5e6a79;
  --line: #dce3ea;
  --surface: #f4f7fa;
  --white: #fff;
  --yellow: #f3e500;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(4, 15, 30, .14);
  --container: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.55;
}

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

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

button,
input,
textarea {
  font: inherit;
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 9999;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--ink);
  background: white;
}

.skip-link:focus {
  top: 12px;
}


/* =========================================================
   HEADER + NAVIGATION
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(7,17,31,.08);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(15px);
  transition: box-shadow .2s ease;
}

.site-header.scrolled {
  box-shadow: 0 10px 35px rgba(5,17,30,.08);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  padding-right: 18px;
}

.brand-mark {
  font-size: 2rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -.09em;
  color: var(--blue);
  font-style: italic;
}

.brand-copy {
  display: grid;
  gap: 5px;
  line-height: 1.05;
}

.brand-copy strong {
  font-size: .88rem;
  letter-spacing: .035em;
}

.brand-copy small {
  font-size: .54rem;
  letter-spacing: .26em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: .86rem;
  font-weight: 600;
}

.site-nav > a:not(.button) {
  position: relative;
}

.site-nav > a:not(.button)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  background: var(--blue);
  transition: right .2s ease;
}

.site-nav > a:not(.button):hover::after {
  right: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 0;
  background: transparent;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--ink);
  transition: .2s;
}


/* =========================================================
   BUTTONS + SHARED TYPOGRAPHY
   ========================================================= */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--blue), #045bb2);
  font-weight: 800;
  letter-spacing: .02em;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(7,118,216,.22);
  transition: transform .18s ease, box-shadow .18s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(7,118,216,.28);
}

.button-sm {
  min-height: 40px;
  padding-inline: 16px;
  font-size: .8rem;
}

.button-ghost {
  border: 1px solid rgba(255,255,255,.5);
  background: transparent;
  box-shadow: none;
}

.button-ghost:hover {
  border-color: white;
  box-shadow: none;
}

.eyebrow {
  margin: 0 0 16px;
  color: #56b7ff;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .18em;
}

.eyebrow.dark {
  color: var(--blue);
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 4.35vw, 4.55rem);
  line-height: 1.005;
  letter-spacing: -.052em;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4vw, 4rem);
  line-height: 1.04;
  letter-spacing: -.05em;
}

h3 {
  line-height: 1.15;
}

.section {
  padding-block: 100px;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.body-copy {
  color: var(--muted);
  font-size: 1.06rem;
}

.body-copy p:last-child {
  margin-bottom: 0;
}


/* =========================================================
   HERO
   ========================================================= */

.hero {
  position: relative;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 76% 22%, rgba(14,165,255,.16), transparent 31%),
    linear-gradient(125deg, #07111f 0%, #0a1d31 52%, #07111f 100%);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to right, transparent 0%, black 48%, black 100%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--blue), var(--blue-2), var(--yellow));
}

.hero-grid {
  position: relative;
  min-height: 590px;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  align-items: center;
  gap: 54px;
  padding-block: 54px 68px;
}

.hero-copy {
  transform: translateY(-10px);
}

.hero-lede {
  max-width: 610px;
  margin-bottom: 28px;
  color: #c9d4df;
  font-size: clamp(1rem, 1.2vw, 1.1rem);
  line-height: 1.58;
}

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

.proof-row {
  display: flex;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.14);
}

.proof-row > div {
  min-width: 145px;
  margin-right: 24px;
  padding-right: 24px;
  border-right: 1px solid rgba(255,255,255,.14);
}

.proof-row > div:last-child {
  margin-right: 0;
  border-right: 0;
}

.proof-row strong {
  display: block;
  color: #fff;
  font-family: "Roboto Mono", monospace;
  font-size: 1.05rem;
}

.proof-row span {
  display: block;
  margin-top: 3px;
  color: #abc0d3;
  font-size: .72rem;
}

.hero-product {
  position: relative;
  min-height: 445px;
  display: grid;
  place-items: center;
  transform: translate(-22px, 10px);
}

.hero-product img {
  position: relative;
  z-index: 2;
  width: min(490px, 91%);
  filter: drop-shadow(0 34px 55px rgba(0,0,0,.4));
}

.product-halo {
  position: absolute;
  width: 80%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(7,118,216,.25), transparent 68%);
}

.hero-tag {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 13px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  color: #dbe7f1;
  background: rgba(5,16,29,.74);
  backdrop-filter: blur(10px);
  font-size: .73rem;
  font-weight: 700;
}

.tag-one {
  top: 11%;
  right: -1%;
}

.tag-two {
  bottom: 8%;
  left: 12%;
}

.tag-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 5px rgba(14,165,255,.12);
}


/* =========================================================
   FEATURE STRIP
   ========================================================= */

.feature-strip {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.feature-grid article {
  min-height: 112px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-right: 1px solid var(--line);
}

.feature-grid article:last-child {
  border-right: 0;
}

.feature-grid .icon {
  color: var(--blue);
  font-size: 1.9rem;
}

.feature-grid strong {
  display: block;
  font-size: .88rem;
}

.feature-grid small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: .72rem;
}


/* =========================================================
   WHY DIGITAL / VACUUM PROCESS
   ========================================================= */

.problem {
  background: var(--surface);
}

.problem-process {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 42%, rgba(7,118,216,.08), transparent 30%),
    #f4f7fa;
}

.problem-process::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  background-image:
    linear-gradient(rgba(10,40,70,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,40,70,.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,.35) 40%, #000 100%);
}

.problem-process-grid {
  position: relative;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 76px;
  align-items: center;
}

.problem-copy > p:not(.eyebrow) {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.02rem;
}

.drift-example {
  max-width: 560px;
  margin-top: 36px;
  padding: 24px 26px;
  border-left: 4px solid var(--blue);
  border-radius: 0 14px 14px 0;
  background: white;
  box-shadow: 0 16px 45px rgba(5,20,35,.07);
}

.drift-label {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.drift-readings {
  display: flex;
  align-items: baseline;
  gap: 11px;
  margin-bottom: 8px;
  font-family: "Roboto Mono", monospace;
}

.drift-readings strong {
  color: var(--ink);
  font-size: 1.65rem;
}

.drift-readings > span {
  color: #8190a0;
  font-size: 1rem;
}

.drift-readings small {
  margin-left: 1px;
  color: var(--muted);
  font-size: .74rem;
}

.drift-readings .warning-reading {
  color: #bd5d19;
}

.drift-example p {
  margin: 0;
  color: var(--muted);
  font-size: .82rem;
}

.vacuum-process {
  min-width: 0;
}


/* ---------- Technical vacuum bag illustration ---------- */

.bag-diagram {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border: 1px solid #d7e0e8;
  border-radius: 24px;
  background: linear-gradient(150deg, rgba(255,255,255,.96), rgba(233,240,246,.96));
  box-shadow: 0 26px 70px rgba(10,30,50,.10);
}

.bag-diagram::before {
  content: "VACUUM BAG / PROCESS ENVELOPE";
  position: absolute;
  top: 22px;
  left: 26px;
  z-index: 3;
  color: #637383;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .15em;
}

.bag-diagram::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .65;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(7,118,216,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,118,216,.055) 1px, transparent 1px);
  background-size: 28px 28px;
}

.bag-surface {
  position: absolute;
  z-index: 1;
  left: 7%;
  right: 7%;
  top: 28%;
  bottom: 14%;
  border: 2px solid rgba(7,118,216,.40);
  border-radius: 46% 44% 15% 18% / 26% 24% 18% 20%;
  background: linear-gradient(155deg, rgba(77,167,231,.10), rgba(255,255,255,.52));
  box-shadow:
    inset 0 -15px 26px rgba(0,80,150,.06),
    0 13px 25px rgba(5,25,45,.06);
}

.bag-surface::before,
.bag-surface::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 7%;
  height: 1px;
  background: rgba(7,118,216,.16);
  transform-origin: left center;
}

.bag-surface::before {
  top: 35%;
  transform: rotate(2deg);
}

.bag-surface::after {
  top: 68%;
  transform: rotate(-1.5deg);
}

.bag-part {
  position: absolute;
  z-index: 2;
  left: 23%;
  right: 25%;
  top: 46%;
  height: 92px;
  display: grid;
  place-items: center;
  transform: skewX(-8deg);
  border: 1px solid rgba(7,17,31,.16);
  border-radius: 9px;
  color: rgba(255,255,255,.72);
  background:
    repeating-linear-gradient(
      45deg,
      #111d28 0 7px,
      #1b2b38 7px 14px
    );
  box-shadow: 0 18px 32px rgba(6,20,32,.16);
}

.bag-part span {
  transform: skewX(8deg);
  font-size: .66rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.bag-port {
  position: absolute;
  z-index: 4;
  display: grid;
  justify-items: center;
  gap: 8px;
}

.bag-port > span {
  width: 28px;
  height: 28px;
  border: 7px solid #1e3a50;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 5px rgba(7,118,216,.10);
}

.bag-port small {
  color: #516474;
  font-size: .66rem;
  font-weight: 700;
}

.port-left {
  left: 11%;
  bottom: 9%;
}

.port-right {
  right: 10%;
  bottom: 9%;
}

.vacuum-line {
  position: absolute;
  z-index: 3;
  left: 15%;
  right: 14%;
  bottom: 18%;
  height: 2px;
  background:
    repeating-linear-gradient(
      90deg,
      var(--blue) 0 8px,
      transparent 8px 14px
    );
}

.gauge-reading {
  position: absolute;
  z-index: 5;
  top: 18%;
  right: 7%;
  width: 144px;
  padding: 15px 17px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  color: white;
  background: #07111f;
  box-shadow: 0 14px 28px rgba(7,17,31,.18);
}

.gauge-reading small {
  display: block;
  margin-bottom: 3px;
  color: #65bbfa;
  font-size: .56rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.gauge-reading strong {
  display: inline;
  font-family: "Roboto Mono", monospace;
  font-size: 1.7rem;
}

.gauge-reading span {
  margin-left: 4px;
  color: #a9b8c7;
  font-size: .66rem;
}


/* ---------- Process steps ---------- */

.process-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 10px;
  margin-top: 20px;
}

.process-flow article {
  min-width: 0;
  padding: 18px 15px;
  border-top: 3px solid #c7d5e2;
  background: rgba(255,255,255,.65);
}

.process-flow article:last-of-type {
  border-top-color: var(--blue);
}

.step-number {
  display: block;
  margin-bottom: 14px;
  color: var(--blue);
  font-family: "Roboto Mono", monospace;
  font-size: .68rem;
  font-weight: 700;
}

.process-flow strong {
  display: block;
  margin-bottom: 6px;
  font-size: .84rem;
}

.process-flow p {
  margin: 0;
  color: var(--muted);
  font-size: .7rem;
  line-height: 1.45;
}

.flow-arrow {
  align-self: center;
  color: #8ca1b5;
  font-size: 1.2rem;
}


/* =========================================================
   APPLICATIONS
   ========================================================= */

.applications {
  position: relative;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 82% 20%, rgba(7,118,216,.18), transparent 30%),
    linear-gradient(135deg, #07111f 0%, #0a1b2d 58%, #07111f 100%);
}

.applications::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 46px 46px;
}

.applications .section-heading {
  position: relative;
}

.applications .section-heading > p {
  color: #aab9c8;
}

.application-detail-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.application-detail-card {
  position: relative;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  background:
    linear-gradient(
      160deg,
      rgba(255,255,255,.075),
      rgba(255,255,255,.025)
    );
  transition:
    transform .2s ease,
    border-color .2s ease,
    background .2s ease;
}

.application-detail-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .08;
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255,255,255,.18) 0 1px,
      transparent 1px 9px
    );
}

.application-detail-card:hover {
  transform: translateY(-5px);
  border-color: rgba(86,183,255,.50);
  background:
    linear-gradient(
      160deg,
      rgba(7,118,216,.14),
      rgba(255,255,255,.03)
    );
}

.application-card-top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 54px;
}

.application-number {
  color: #56b7ff;
  font-family: "Roboto Mono", monospace;
  font-size: .72rem;
  font-weight: 700;
}

.application-category {
  padding: 6px 9px;
  border: 1px solid rgba(86,183,255,.20);
  border-radius: 999px;
  color: #8fd0ff;
  background: rgba(7,118,216,.08);
  font-size: .56rem;
  font-weight: 800;
  letter-spacing: .12em;
}

.application-detail-card h3 {
  position: relative;
  margin-bottom: 14px;
  font-size: 1.35rem;
  line-height: 1.16;
}

.application-lede {
  position: relative;
  margin-bottom: 24px;
  color: #aebdca;
  font-size: .87rem;
  line-height: 1.55;
}

.application-list {
  position: relative;
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.application-list li {
  position: relative;
  padding-left: 18px;
  color: #d0dbe5;
  font-size: .78rem;
  line-height: 1.45;
}

.application-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 4px rgba(14,165,255,.08);
}

.application-note {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.10);
}

.application-note-label {
  color: #56b7ff;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.application-note p {
  max-width: 980px;
  margin: 0;
  color: #7f93a7;
  font-size: .7rem;
  line-height: 1.55;
}


/* ---------- Applications responsive ---------- */

@media (max-width: 1100px) {
  .application-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .application-detail-grid {
    grid-template-columns: 1fr;
  }

  .application-detail-card {
    min-height: 320px;
  }

  .application-note {
    grid-template-columns: 1fr;
  }
}



/* =========================================================
   PRODUCT
   ========================================================= */

.product-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(7,118,216,.055), transparent 30%),
    white;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: .94fr 1.06fr;
  gap: 78px;
  align-items: center;
}


/* ---------- Product visual ---------- */

.product-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #f5f8fb;
  box-shadow: 0 24px 70px rgba(7,25,45,.08);
}

.product-visual-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.product-model {
  color: var(--ink);
  font: 700 .85rem "Roboto Mono", monospace;
}

.product-type {
  color: #728294;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.product-image-stage {
  position: relative;
  min-height: 455px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product-stage-grid {
  position: absolute;
  inset: 0;
  opacity: .75;
  background-image:
    linear-gradient(rgba(7,118,216,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,118,216,.05) 1px, transparent 1px);
  background-size: 32px 32px;
}

.product-stage-halo {
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(
      circle,
      rgba(7,118,216,.14),
      rgba(7,118,216,.02) 52%,
      transparent 70%
    );
}

.product-image-stage img {
  position: relative;
  z-index: 2;
  width: min(500px, 84%);
  filter: drop-shadow(0 28px 38px rgba(7,25,45,.18));
}

.product-quick-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  background: white;
}

.product-quick-points > div {
  padding: 18px 16px;
  text-align: center;
  border-right: 1px solid var(--line);
}

.product-quick-points > div:last-child {
  border-right: 0;
}

.product-quick-points strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font: 700 1rem "Roboto Mono", monospace;
}

.product-quick-points span {
  color: var(--muted);
  font-size: .65rem;
}


/* ---------- Product copy ---------- */

.product-detail-copy h2 {
  max-width: 610px;
}

.product-intro {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.62;
}

.product-purpose {
  max-width: 650px;
  margin: 30px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--blue);
  border-radius: 0 12px 12px 0;
  background: #f5f8fb;
}

.product-purpose-label {
  display: block;
  margin-bottom: 6px;
  color: var(--blue);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.product-purpose p {
  margin: 0;
  color: #526170;
  font-size: .86rem;
  line-height: 1.55;
}


/* ---------- Technical spec panel ---------- */

.product-spec-panel {
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: white;
}

.spec-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line);
  background: #f8fafc;
  color: #637486;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .11em;
}

.spec-panel-status {
  color: var(--blue);
}

.product-spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
}

.product-spec-grid > div {
  min-width: 0;
  padding: 15px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-spec-grid > div:nth-child(even) {
  border-right: 0;
}

.product-spec-grid > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.product-spec-grid dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .67rem;
}

.product-spec-grid dd {
  margin: 0;
  color: var(--ink);
  font: 700 .8rem "Roboto Mono", monospace;
}


/* ---------- Product benefits ---------- */

.product-benefits {
  display: grid;
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.product-benefits article {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.product-benefits article > span {
  color: var(--blue);
  font: 700 .65rem "Roboto Mono", monospace;
}

.product-benefits strong {
  display: block;
  margin-bottom: 4px;
  font-size: .87rem;
}

.product-benefits p {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}

.product-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 25px;
  margin-top: 28px;
}


/* ---------- Product responsive ---------- */

@media (max-width: 1050px) {

  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .product-visual {
    max-width: 760px;
    width: 100%;
    margin-inline: auto;
  }

}

@media (max-width: 620px) {

  .product-image-stage {
    min-height: 340px;
  }

  .product-image-stage img {
    width: min(430px, 88%);
  }

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

  .product-quick-points > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-quick-points > div:last-child {
    border-bottom: 0;
  }

  .spec-panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .product-spec-grid > div,
  .product-spec-grid > div:nth-child(even),
  .product-spec-grid > div:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-spec-grid > div:last-child {
    border-bottom: 0;
  }

}


/* =========================================================
   QUALITY + TRACEABILITY
   ========================================================= */

.quality-traceability {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 78% 35%, rgba(0,130,230,.15), transparent 34%),
    linear-gradient(125deg, #07111f 0%, #091a2b 60%, #07111f 100%);
}

.quality-traceability::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .14;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 42px 42px;
}

.quality-trace-grid {
  position: relative;
  display: grid;
  grid-template-columns: .64fr 1.36fr;
  gap: 48px;
  align-items: center;
}

.quality-copy h2 {
  max-width: 500px;
  font-size: clamp(2.5rem, 3.6vw, 3.65rem);
}

.quality-copy > p:not(.eyebrow) {
  max-width: 500px;
  color: #aebdca;
  font-size: 1rem;
}

.quality-points {
  max-width: 500px;
  display: grid;
  gap: 20px;
  margin-top: 38px;
}

.quality-points div {
  padding-left: 18px;
  border-left: 2px solid rgba(86,183,255,.45);
}

.quality-points strong {
  display: block;
  margin-bottom: 5px;
  font-size: .9rem;
}

.quality-points span {
  display: block;
  color: #94a7ba;
  font-size: .78rem;
}


/* ---------- Traceability panel ---------- */

.trace-panel {
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 22px;
  background: rgba(8,25,42,.86);
  box-shadow: 0 28px 70px rgba(0,0,0,.28);
}

.trace-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  color: #8fa4b8;
  font-size: .64rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.trace-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #77c4ff;
}

.trace-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #24a8ff;
  box-shadow: 0 0 0 5px rgba(36,168,255,.10);
}

.trace-flow {
  display: grid;
  grid-template-columns:
    minmax(138px, 1fr)
    26px
    minmax(138px, 1fr)
    26px
    minmax(148px, 1fr)
    26px
    minmax(148px, 1fr);
  column-gap: 12px;
  align-items: stretch;
  padding: 28px 22px;
}

.trace-card {
  position: relative;
  min-width: 0;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px;
  background: rgba(255,255,255,.045);
}

.trace-card > div:last-child {
  width: 100%;
}

.trace-step {
  display: block;
  margin-bottom: 18px;
  color: #56b7ff;
  font: 700 .66rem "Roboto Mono", monospace;
}

.trace-icon,
.certificate-icon {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.trace-icon {
  border: 1px solid rgba(86,183,255,.35);
  border-radius: 9px;
  color: #7cc7ff;
  background: rgba(7,118,216,.12);
  font: 700 1rem "Roboto Mono", monospace;
}

.certificate-icon {
  border: 1px solid rgba(72,190,128,.35);
  border-radius: 50%;
  color: #73d8a3;
  background: rgba(72,190,128,.12);
  font-weight: 800;
}

.trace-card small {
  display: block;
  margin-bottom: 6px;
  color: #7990a5;
  font-size: .56rem;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .12em;
}

.trace-card > div > strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Roboto Mono", monospace;
  font-size: .92rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.trace-card p {
  margin: 0;
  color: #95a9bc;
  font-size: .7rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.trace-test-card {
  justify-content: flex-start;
  background: linear-gradient(160deg, rgba(7,118,216,.12), rgba(255,255,255,.03));
}

.trace-coc {
  justify-content: flex-start;
  border-color: rgba(72,190,128,.22);
}


/* ---------- Trace connectors ---------- */

.trace-connector {
  position: relative;
  min-width: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trace-connector span {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
  background:
    repeating-linear-gradient(
      90deg,
      #3b95d5 0 7px,
      transparent 7px 12px
    );
}

.trace-connector small {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 3px 1px;
  color: #70879b;
  background: #0b1b2c;
  text-align: center;
  font-size: .36rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: .04em;
}


/* ---------- QA signoff ---------- */

.qa-signoff {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 36px;
  align-items: end;
  padding: 20px 26px 26px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.qa-signoff > div {
  display: grid;
  gap: 10px;
}

.qa-signoff small {
  color: #71879b;
  font-size: .55rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.signature-line,
.date-line {
  width: 100%;
  height: 24px;
  display: block;
  border-bottom: 1px solid rgba(255,255,255,.28);
}


/* =========================================================
   TECHNICAL RESOURCES
   ========================================================= */

.technical-resources {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(7,118,216,.055), transparent 28%),
    var(--surface);
}

.technical-resources::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(10,40,70,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,40,70,.035) 1px, transparent 1px);
  background-size: 42px 42px;
}

.technical-resources .section-heading {
  position: relative;
}

.technical-resources .section-heading > p {
  color: var(--muted);
}


/* ---------- Resource library ---------- */

.resource-library-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.resource-library-card {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 18px 48px rgba(8,28,48,.05);
  transition:
    transform .2s ease,
    box-shadow .2s ease,
    border-color .2s ease;
}

.resource-library-card:hover {
  transform: translateY(-4px);
  border-color: rgba(7,118,216,.28);
  box-shadow: 0 24px 58px rgba(8,28,48,.10);
}

.resource-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 44px;
}

.resource-type {
  color: var(--blue);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.resource-code {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #d9e4ee;
  border-radius: 8px;
  color: #668099;
  background: #f7fafc;
  font: 700 .65rem "Roboto Mono", monospace;
}

.resource-library-card h3 {
  margin-bottom: 14px;
  font-size: 1.4rem;
  line-height: 1.16;
}

.resource-summary {
  margin-bottom: 26px;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.55;
}


/* ---------- Resource links ---------- */

.resource-links {
  display: grid;
  margin-top: auto;
  border-top: 1px solid var(--line);
}

.resource-links a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  transition: color .18s ease;
}

.resource-links a:last-child {
  border-bottom: 0;
}

.resource-links span {
  color: #334456;
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.4;
}

.resource-links strong {
  color: var(--blue);
  font-size: .9rem;
  transition: transform .18s ease;
}

.resource-links a:hover span {
  color: var(--blue);
}

.resource-links a:hover strong {
  transform: translateX(4px);
}


/* ---------- Resource footer ---------- */

.resource-library-footer {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.resource-library-footer > div {
  max-width: 760px;
}

.resource-footer-label {
  display: block;
  margin-bottom: 5px;
  color: var(--blue);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.resource-library-footer p {
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
}


/* ---------- Responsive ---------- */

@media (max-width: 980px) {

  .resource-library-grid {
    grid-template-columns: 1fr;
  }

  .resource-library-card {
    min-height: auto;
  }

}

@media (max-width: 620px) {

  .resource-library-footer {
    align-items: flex-start;
    flex-direction: column;
  }

}


/* =========================================================
   ABOUT
   ========================================================= */

.about-detail {
  position: relative;
  overflow: hidden;
  color: white;
  background:
    radial-gradient(circle at 78% 28%, rgba(7,118,216,.16), transparent 32%),
    linear-gradient(125deg, #07111f 0%, #0a1a2b 62%, #07111f 100%);
}

.about-detail::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 44px 44px;
}

.about-detail-grid {
  position: relative;
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 72px;
  align-items: center;
}


/* ---------- About copy ---------- */

.about-copy h2 {
  max-width: 600px;
}

.about-lede {
  max-width: 580px;
  color: #d2dde7;
  font-size: 1.08rem;
  line-height: 1.62;
}

.about-copy > p:not(.eyebrow):not(.about-lede) {
  max-width: 580px;
  color: #aab9c8;
  font-size: .95rem;
  line-height: 1.6;
}


/* ---------- About panel ---------- */

.about-panel {
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 22px;
  background: rgba(8,25,42,.84);
  box-shadow: 0 28px 70px rgba(0,0,0,.24);
}

.about-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,.09);
  color: #8ea3b7;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.about-panel-mark {
  color: #69bfff;
  font-family: "Roboto Mono", monospace;
  letter-spacing: .08em;
}


/* ---------- Values ---------- */

.about-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.about-values article {
  min-height: 210px;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 24px 22px;
  border-right: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.about-values article:nth-child(even) {
  border-right: 0;
}

.about-values article:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.about-value-number {
  color: #56b7ff;
  font: 700 .62rem "Roboto Mono", monospace;
}

.about-values strong {
  display: block;
  margin-bottom: 8px;
  font-size: .9rem;
}

.about-values p {
  margin: 0;
  color: #95a9bc;
  font-size: .76rem;
  line-height: 1.55;
}


/* ---------- Footer strip ---------- */

.about-panel-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-top: 1px solid rgba(255,255,255,.09);
  color: #6f879c;
  font-size: .55rem;
  font-weight: 800;
  letter-spacing: .14em;
}


/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .about-detail-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .about-copy h2,
  .about-lede,
  .about-copy > p:not(.eyebrow):not(.about-lede) {
    max-width: 720px;
  }
}

@media (max-width: 620px) {
  .about-values {
    grid-template-columns: 1fr;
  }

  .about-values article,
  .about-values article:nth-child(even),
  .about-values article:nth-last-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }

  .about-values article:last-child {
    border-bottom: 0;
  }

  .about-panel-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* =========================================================
   CONTACT / RFQ
   ========================================================= */

.rfq-section {
  position: relative;
  overflow: hidden;
  padding-block: 100px;
  background:
    radial-gradient(circle at 18% 24%, rgba(7,118,216,.055), transparent 30%),
    #ffffff;
}

.rfq-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .20;
  background-image:
    linear-gradient(rgba(7,40,70,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7,40,70,.035) 1px, transparent 1px);
  background-size: 44px 44px;
}

.rfq-grid {
  position: relative;
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 74px;
  align-items: start;
}


/* ---------- RFQ copy ---------- */

.rfq-copy h2 {
  max-width: 560px;
}

.rfq-intro {
  max-width: 550px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.62;
}

.rfq-trust-list {
  display: grid;
  gap: 22px;
  margin-top: 38px;
}

.rfq-trust-list > div {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}

.rfq-check {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(7,118,216,.22);
  border-radius: 50%;
  color: var(--blue);
  background: rgba(7,118,216,.06);
  font-size: .75rem;
  font-weight: 800;
}

.rfq-trust-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: .9rem;
}

.rfq-trust-list p {
  max-width: 500px;
  margin: 0;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}

.rfq-contact-direct {
  margin-top: 38px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.rfq-contact-direct span {
  display: block;
  margin-bottom: 5px;
  color: var(--blue);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.rfq-contact-direct a {
  color: var(--ink);
  font-weight: 700;
}


/* ---------- RFQ panel ---------- */

.rfq-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #07111f;
  box-shadow: 0 28px 70px rgba(7,25,45,.15);
}

.rfq-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  color: #8da4b8;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .13em;
}

.rfq-panel-code {
  color: #66bfff;
  font-family: "Roboto Mono", monospace;
}

.rfq-form {
  display: grid;
  gap: 18px;
  padding: 26px;
}

.rfq-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rfq-form label {
  display: grid;
  gap: 7px;
  color: #c4d1dd;
  font-size: .76rem;
  font-weight: 700;
}

.rfq-form input,
.rfq-form textarea,
.rfq-form select {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 8px;
  outline: none;
  color: white;
  background: rgba(255,255,255,.06);
}

.rfq-form select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #8397aa 50%),
    linear-gradient(135deg, #8397aa 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 50%,
    calc(100% - 11px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.rfq-form select option {
  color: var(--ink);
  background: white;
}

.rfq-form input:focus,
.rfq-form textarea:focus,
.rfq-form select:focus {
  border-color: #56b7ff;
  box-shadow: 0 0 0 3px rgba(86,183,255,.12);
}

.rfq-form textarea {
  resize: vertical;
}


/* ---------- RFQ options ---------- */

.rfq-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 18px;
  margin: 2px 0 0;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 10px;
}

.rfq-options legend {
  padding: 0 7px;
  color: #8094a8;
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .11em;
}

.rfq-options label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #b6c5d2;
  font-size: .72rem;
  font-weight: 500;
}

.rfq-options input[type="checkbox"] {
  width: 15px;
  height: 15px;
  padding: 0;
  accent-color: var(--blue);
}


/* ---------- Submit ---------- */

.rfq-submit-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.rfq-response-note {
  color: #7f93a7;
  font-size: .68rem;
}


/* ---------- Responsive ---------- */

@media (max-width: 1000px) {
  .rfq-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .rfq-copy h2,
  .rfq-intro {
    max-width: 700px;
  }
}

@media (max-width: 620px) {
  .rfq-form .form-row,
  .rfq-options {
    grid-template-columns: 1fr;
  }

  .rfq-form {
    padding: 20px;
  }
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  padding: 56px 0 24px;
  color: white;
  background: #050d16;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
}

.footer-grid > div:not(.brand) {
  display: grid;
  align-content: start;
  gap: 8px;
  font-size: .85rem;
}

.footer-grid > div:not(.brand) strong {
  margin-bottom: 7px;
}

.footer-grid a {
  color: #a9b8c7;
}

.footer-grid a:hover {
  color: white;
}

.footer-brand .brand-copy strong {
  color: white;
}

.footer-brand .brand-copy small {
  color: #9fb0c2;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 46px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #74879b;
  font-size: .72rem;
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (min-width: 1400px) {
  h1 {
    font-size: 4.45rem;
  }

  .hero-grid {
    gap: 60px;
  }

  .hero-product img {
    width: min(500px, 91%);
  }
}

@media (max-width: 1250px) {
  .quality-trace-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .quality-copy h2,
  .quality-copy > p:not(.eyebrow),
  .quality-points {
    max-width: 720px;
  }

  .trace-panel {
    max-width: 100%;
  }
}

@media (max-width: 980px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: white;
    box-shadow: var(--shadow);
  }

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

  .site-nav > a {
    padding: 12px 10px;
  }

  .site-nav .button {
    margin-top: 6px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 68px;
  }

  .hero-copy {
    transform: none;
  }

  .hero-product {
    min-height: 420px;
    transform: none;
  }

  .tag-one {
    right: 4%;
  }

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

  .feature-grid article {
    border-bottom: 1px solid var(--line);
  }

  .feature-grid article:nth-child(even) {
    border-right: 0;
  }

  .feature-grid article:last-child {
    grid-column: 1 / -1;
  }

  .split,
  .product-grid,
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

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

  .product-image-card {
    min-height: 460px;
  }

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

  .problem-process-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .problem-copy > p:not(.eyebrow),
  .drift-example {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .trace-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .trace-connector {
    min-height: 50px;
  }

  .trace-connector span {
    left: 50%;
    right: auto;
    top: 0;
    bottom: 0;
    width: 1px;
    height: 100%;
    transform: none;
    background:
      repeating-linear-gradient(
        180deg,
        #3b95d5 0 7px,
        transparent 7px 12px
      );
  }

  .trace-connector small {
    width: auto;
    padding: 4px 8px;
  }
}

@media (max-width: 720px) {
  .bag-diagram {
    min-height: 330px;
  }

  .process-flow {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .process-flow article {
    padding: 16px 18px;
    border-top: 0;
    border-left: 3px solid #c7d5e2;
  }

  .process-flow article:last-of-type {
    border-left-color: var(--blue);
  }

  .flow-arrow {
    display: none;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .brand-copy strong {
    font-size: .72rem;
  }

  .brand-copy small {
    font-size: .46rem;
  }

  .brand-mark {
    font-size: 1.7rem;
  }

  .hero-grid {
    min-height: auto;
    padding-block: 56px 70px;
  }

  h1 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .proof-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .proof-row > div {
    margin: 0;
    padding-bottom: 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.14);
  }

  .hero-product {
    min-height: 330px;
  }

  .hero-tag {
    display: none;
  }

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

  .feature-grid article,
  .feature-grid article:nth-child(even) {
    border-right: 0;
  }

  .feature-grid article:last-child {
    grid-column: auto;
  }

  .section {
    padding-block: 72px;
  }

  .application-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .application-card {
    min-height: 230px;
  }

  .application-card h3 {
    margin-top: 52px;
  }

  .product-image-card {
    min-height: 360px;
  }

  .cta-grid {
    padding: 30px 22px;
  }

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

  .footer-bottom {
    flex-direction: column;
  }
}

@media (max-width: 580px) {
  .trace-panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .trace-flow {
    padding: 18px;
  }

  .qa-signoff {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .bag-diagram {
    min-height: 290px;
  }

  .bag-part {
    left: 19%;
    right: 20%;
    top: 47%;
    height: 72px;
  }

  .gauge-reading {
    top: 15%;
    right: 5%;
    width: 126px;
  }

  .gauge-reading strong {
    font-size: 1.45rem;
  }

  .drift-readings {
    gap: 7px;
  }

  .drift-readings strong {
    font-size: 1.35rem;
  }
}

/* =========================================================
   RFQ FORM RESPONSE MESSAGE
   ========================================================= */

.rfq-message {
  display: none;
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: .8rem;
  font-weight: 600;
  line-height: 1.5;
}

/* Successful submission */

.rfq-message.success {
  display: block;
  color: #d8f7e5;
  border: 1px solid rgba(76, 202, 132, .45);
  background: rgba(76, 202, 132, .16);
}

/* Error message */

.rfq-message.error {
  display: block;
  color: #ffdada;
  border: 1px solid rgba(231, 93, 93, .45);
  background: rgba(231, 93, 93, .16);
}

/* Sending state */

#rfq-submit:disabled {
  opacity: .65;
  cursor: wait;
  transform: none;
}

/* =========================================================
   HERO BACKGROUND IMAGE OVERRIDE
   ========================================================= */

.hero {
  background:
    linear-gradient(
      90deg,
      rgba(4, 15, 28, .95) 0%,
      rgba(4, 15, 28, .86) 42%,
      rgba(4, 15, 28, .50) 72%,
      rgba(4, 15, 28, .24) 100%
    ),
    url("../images/dvs-hero-f35-bg.webp")
      center center / cover no-repeat;
}


/* =========================================================
   APPLICATION CARD BACKGROUND IMAGES
   ========================================================= */

.application-detail-card {
  position: relative;
  overflow: hidden;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* Dark overlay for readable text */

.application-detail-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;

  background:
    linear-gradient(
      to bottom,
      rgba(4, 15, 28, .10) 0%,
      rgba(4, 15, 28, .30) 38%,
      rgba(4, 15, 28, .88) 78%,
      rgba(4, 15, 28, .97) 100%
    );
}

/* Keep all card content above overlay */

.application-detail-card > * {
  position: relative;
  z-index: 2;
}


/* ---------- Aerospace ---------- */

.application-aerospace {
  background-image:
    url("../images/application-aerospace.webp");
}


/* ---------- Defense ---------- */

.application-defense {
  background-image:
    url("../images/application-defense.webp");
}


/* ---------- Space ---------- */

.application-space {
  background-image:
    url("../images/application-space.webp");
}


/* ---------- UAV ---------- */

.application-uav {
  background-image:
    url("../images/application-uav.webp");
}


/* ---------- Advanced Composites ---------- */

.application-composites {
  background-image:
    url("../images/application-composites.webp");
}

/* Slightly darken the Defense application image */

.application-defense::after {
  background:
    linear-gradient(
      to bottom,
      rgba(4, 15, 28, .22) 0%,
      rgba(4, 15, 28, .42) 38%,
      rgba(4, 15, 28, .91) 78%,
      rgba(4, 15, 28, .98) 100%
    );
}


/* =========================================================
   HERO BACKGROUND - TABLET + MOBILE POSITION
   ========================================================= */

@media (max-width: 1100px) {

  .hero {
    background-position: 92% center;
  }

}

/* =========================================================
   FINAL CTA
   ========================================================= */

.final-cta {
  position: relative;
  overflow: hidden;
  color: #fff;

  background:
    linear-gradient(
      90deg,
      rgba(4, 15, 28, .97) 0%,
      rgba(4, 15, 28, .90) 48%,
      rgba(4, 15, 28, .65) 100%
    ),
    url("../images/application-composites.webp")
      center center / cover no-repeat;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;

  background-image:
    linear-gradient(
      rgba(255,255,255,.05) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255,255,255,.05) 1px,
      transparent 1px
    );

  background-size: 42px 42px;
}

.final-cta-inner {
  position: relative;
  z-index: 2;

  min-height: 300px;

  display: grid;
  grid-template-columns: 1.3fr .7fr;
  align-items: center;
  gap: 70px;

  padding-block: 64px;
}

.final-cta-copy h2 {
  max-width: 720px;
  margin-bottom: 18px;

  font-size: clamp(2.5rem, 4vw, 4.25rem);
  line-height: 1.02;
}

.final-cta-copy > p:not(.eyebrow) {
  max-width: 650px;
  margin: 0;

  color: #b7c5d2;
  font-size: 1rem;
  line-height: 1.6;
}

.final-cta-action {
  display: grid;
  justify-items: start;
  gap: 14px;
}

.final-cta-action .button {
  min-width: 190px;
}

.final-cta-action span {
  max-width: 300px;

  color: #8fa3b7;
  font-size: .74rem;
  line-height: 1.5;
}


/* ---------- Tablet ---------- */

@media (max-width: 1000px) {

  .final-cta-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

}


/* ---------- Mobile ---------- */

@media (max-width: 620px) {

  .final-cta {
    background-position: 72% center;
  }

  .final-cta-inner {
    padding-block: 52px;
  }

  .final-cta-copy h2 {
    font-size: 2.45rem;
  }

}

/* =========================================================
   MOBILE VACUUM DIAGRAM POSITION FIX
   ========================================================= */

@media (max-width: 620px) {

  .port-left {
    left: 7%;
  }

}