:root {
  --navy: #0b1f3a;
  --navy-2: #112b4d;
  --teal: #18b7a3;
  --teal-dark: #0d8f81;
  --teal-soft: #e7f8f5;
  --ceramic: #b8c1cc;
  --ink: #152238;
  --muted: #617087;
  --line: #dbe3ea;
  --bg: #f4f7f9;
  --white: #fff;
  --max: 1220px;
  --radius: 20px;
  --shadow: 0 24px 60px rgba(11, 31, 58, .1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }

h1, h2, h3, .brand-word, .trust-grid strong {
  margin-top: 0;
  font-family: Manrope, Inter, sans-serif;
  color: inherit;
}

h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(3.2rem, 5.4vw, 4.9rem);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -.052em;
}

h1 span { color: var(--teal-dark); }

h2 {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 3.7vw, 3.35rem);
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -.038em;
}

h3 { margin-bottom: 10px; font-size: 1.16rem; line-height: 1.32; letter-spacing: -.018em; }
p { margin-top: 0; }

:focus-visible { outline: 3px solid rgba(24, 183, 163, .45); outline-offset: 4px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(219, 227, 234, .88);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(18px);
}

.nav-wrap { height: 86px; display: flex; align-items: center; gap: 28px; }

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }

.logo-mark,
.floating-icon {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 42px;
  height: 48px;
  clip-path: polygon(50% 0, 94% 25%, 94% 75%, 50% 100%, 6% 75%, 6% 25%);
  background: var(--navy);
}

.logo-mark::before,
.floating-icon::before {
  position: absolute;
  inset: 5px;
  content: "";
  clip-path: inherit;
  background: var(--teal);
}

.logo-mark::after,
.floating-icon::after {
  position: absolute;
  inset: 10px;
  content: "";
  clip-path: inherit;
  background: var(--white);
}

.logo-mark i,
.floating-icon i {
  position: absolute;
  z-index: 1;
  inset: 15px;
  clip-path: inherit;
  background: conic-gradient(from 30deg, var(--navy), var(--teal) 25%, var(--navy) 50%, var(--teal) 75%, var(--navy));
}

.brand-lockup { display: flex; flex-direction: column; line-height: 1; }
.brand-word { font-size: 1.46rem; font-weight: 800; letter-spacing: -.055em; }
.brand-word span:last-child { color: var(--teal-dark); }
.brand small { margin-top: 5px; color: #8794a8; font-size: .56rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 27px; font-size: .875rem; font-weight: 600; }
.main-nav a { position: relative; color: #344259; transition: color .2s ease; }
.main-nav a::after { position: absolute; right: 0; bottom: -9px; left: 0; height: 2px; content: ""; background: var(--teal); transform: scaleX(0); transition: transform .2s ease; }
.main-nav a:hover { color: var(--navy); }
.main-nav a:hover::after { transform: scaleX(1); }

.menu-toggle { display: none; border: 0; background: transparent; color: var(--navy); font-weight: 700; cursor: pointer; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 23px;
  border: 1px solid var(--navy);
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-size: .9rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(11, 31, 58, .13);
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
}

.btn:hover { transform: translateY(-2px); background: var(--navy-2); box-shadow: 0 16px 32px rgba(11, 31, 58, .2); }
.btn-small { min-height: 42px; padding: 10px 18px; font-size: .8rem; }
.btn-ghost { border-color: var(--line); background: rgba(255, 255, 255, .72); color: var(--navy); box-shadow: none; }
.btn-ghost:hover { border-color: var(--teal); background: var(--teal-soft); box-shadow: none; }

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 12% 18%, rgba(24, 183, 163, .08), transparent 30%),
    linear-gradient(145deg, #f6f9fb 0%, #fff 54%, #f0f7f7 100%);
}

.hero::after { position: absolute; right: -120px; bottom: -260px; width: 520px; height: 520px; border: 1px solid rgba(24, 183, 163, .16); border-radius: 50%; content: ""; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; min-height: 720px; gap: clamp(42px, 6vw, 78px); padding-block: 72px; }
.eyebrow { margin: 0 0 17px; color: var(--teal-dark); font-size: .72rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.eyebrow.light { color: #69ddcd; }
.hero-text { max-width: 680px; margin-bottom: 0; color: var(--muted); font-size: 1.08rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 35px 0 30px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 12px 22px; color: #53637a; font-size: .79rem; font-weight: 500; }
.hero-notes span::before { margin-right: 8px; color: var(--teal-dark); content: "✓"; font-weight: 800; }

.hero-visual { position: relative; height: 540px; overflow: hidden; border: 1px solid rgba(255, 255, 255, .15); border-radius: 28px; background: linear-gradient(145deg, #102a4a, #07182e 74%); box-shadow: 0 36px 86px rgba(11, 31, 58, .28); }
.blueprint-grid { position: absolute; inset: 0; 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: 40px 40px; mask-image: linear-gradient(to bottom right, #000, transparent 78%); }
.blueprint-grid::after { position: absolute; inset: 42px; border: 1px solid rgba(24, 183, 163, .14); border-radius: 50%; content: ""; }
.ceramic-plate, .ceramic-disc, .ceramic-ring, .ceramic-rod { position: absolute; filter: drop-shadow(0 22px 28px rgba(0, 0, 0, .28)); }
.plate-a { top: 112px; left: 44px; width: 300px; height: 188px; border-radius: 50%; background: linear-gradient(145deg, #fff, #e4e9ec 64%, #aeb9c2); transform: rotate(-22deg); }
.plate-a::after { position: absolute; inset: 23px; border: 1px solid rgba(11, 31, 58, .12); border-radius: inherit; content: ""; }
.disc-a { top: 82px; right: 54px; width: 128px; height: 128px; border: 18px solid #f9fbfb; border-radius: 50%; background: radial-gradient(circle, #34475c 0 35%, #d8dfe3 36% 58%, #fff 60%); transform: rotate(13deg); }
.ring-a { right: 72px; bottom: 78px; width: 180px; height: 180px; border: 44px solid #f1f4f5; border-radius: 50%; background: rgba(24, 183, 163, .11); transform: rotate(24deg); }
.rod-a { bottom: -70px; left: 168px; width: 58px; height: 306px; border-radius: 32px; background: linear-gradient(90deg, #a9b4bc, #fff 48%, #b1bbc2); transform: rotate(35deg); }
.spec-line { position: absolute; border-color: rgba(105, 221, 205, .52); border-style: dashed; }
.spec-x { top: 56px; right: 38px; width: 168px; border-width: 1px 0 0; }
.spec-y { top: 46px; right: 36px; height: 174px; border-width: 0 1px 0 0; }
.spec-x::after { position: absolute; top: -20px; right: 0; color: #69ddcd; content: "Ø 32.0"; font: 600 .62rem Inter, sans-serif; letter-spacing: .08em; }
.floating-card { position: absolute; bottom: 25px; left: 25px; display: flex; align-items: center; gap: 12px; min-width: 246px; padding: 15px 17px; border: 1px solid rgba(255, 255, 255, .55); border-radius: 15px; background: rgba(255, 255, 255, .92); box-shadow: 0 16px 36px rgba(0, 0, 0, .15); backdrop-filter: blur(10px); }
.floating-icon { width: 31px; height: 35px; }
.floating-icon::before { inset: 4px; }
.floating-icon::after { inset: 8px; }
.floating-icon i { inset: 11px; }
.floating-card div { display: flex; flex-direction: column; line-height: 1.25; }
.floating-card strong { color: var(--navy); font: 800 1rem Manrope, sans-serif; letter-spacing: -.035em; }
.floating-card strong span { color: var(--teal-dark); }
.floating-card small { margin-top: 3px; color: var(--muted); font-size: .62rem; letter-spacing: .04em; text-transform: uppercase; }

.trust-strip { padding: 31px 0 22px; background: #fbfcfd; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-grid div { display: flex; flex-direction: column; padding: 0 30px; border-left: 1px solid var(--line); }
.trust-grid div:first-child { padding-left: 0; border-left: 0; }
.trust-grid strong { color: var(--navy); font-size: 1.65rem; font-weight: 800; line-height: 1.2; }
.trust-grid span { margin-top: 5px; color: var(--muted); font-size: .78rem; }
.data-note { margin-top: 18px; margin-bottom: 0; color: #8794a7; font-size: .68rem; }

.section { padding: 112px 0; scroll-margin-top: 84px; }
.section-head { display: grid; grid-template-columns: 1.08fr .92fr; align-items: end; gap: 72px; margin-bottom: 48px; }
.section-head h2 { margin-bottom: 0; }
.section-head > p { max-width: 520px; margin-bottom: 4px; color: var(--muted); }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { position: relative; overflow: hidden; padding: 20px 20px 23px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.product-card::after { position: absolute; right: 0; bottom: 0; left: 0; height: 3px; content: ""; background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.product-card:hover { border-color: #c3dedb; box-shadow: var(--shadow); transform: translateY(-6px); }
.product-card:hover::after { transform: scaleX(1); }
.product-card p, .product-card li { color: var(--muted); font-size: .82rem; }
.product-card ul { margin-bottom: 0; padding-left: 18px; }
.card-kicker { margin-bottom: 7px; color: var(--teal-dark) !important; font-size: .67rem !important; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.product-icon { display: grid; place-items: center; height: 162px; margin-bottom: 24px; overflow: hidden; border-radius: 14px; background: linear-gradient(145deg, #eff5f6, #e6ebef); }
.product-icon span { display: block; width: 80px; height: 80px; background: linear-gradient(145deg, #fff, #cfd7db); box-shadow: 0 20px 35px rgba(23, 33, 43, .15); }
.alumina span { border: 21px solid #fbfbfa; border-radius: 50%; background: #aeb9c1; }
.zirconia span { border-radius: 11px; transform: rotate(22deg); }
.nitride span { width: 108px; height: 56px; border-radius: 7px; background: linear-gradient(145deg, #40536a, #0b1f3a); }
.metal span { border-radius: 50%; background: radial-gradient(circle, #fff 0 24%, #18b7a3 25% 42%, #e9eeee 43%); }

.dark-section { position: relative; overflow: hidden; background: var(--navy); color: var(--white); }
.dark-section::after { position: absolute; top: -250px; right: -180px; width: 600px; height: 600px; border: 1px solid rgba(105, 221, 205, .14); border-radius: 50%; content: ""; }
.split { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: 92px; }
.muted { color: #aeb9c6; }
.text-link { display: inline-block; margin-top: 12px; color: #69ddcd; font-weight: 700; }
.process { display: grid; grid-template-columns: 46px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid rgba(255, 255, 255, .13); }
.process:first-child { padding-top: 0; }
.process > span { color: #69ddcd; font: 800 .78rem Manrope, sans-serif; }
.process h3 { margin-bottom: 6px; }
.process p { margin-bottom: 0; color: #aeb9c6; font-size: .9rem; }

.industry-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.industry { min-height: 248px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s ease; }
.industry:hover { background: var(--teal-soft); }
.industry span { color: var(--teal-dark); font-size: .7rem; font-weight: 800; }
.industry h3 { margin-top: 72px; }
.industry p { color: var(--muted); font-size: .82rem; }

.soft-section { background: var(--bg); }
.quality-split { align-items: center; }
.quality-panel { position: relative; height: 460px; overflow: hidden; border-radius: 26px; background: linear-gradient(145deg, #dfe6e9, #f8fafb); box-shadow: inset 0 0 0 1px rgba(11, 31, 58, .06); }
.quality-panel::after { position: absolute; inset: 36px; border: 1px dashed rgba(11, 31, 58, .17); border-radius: 50%; content: ""; }
.inspection-shape { position: absolute; top: 50%; left: 50%; width: 240px; height: 240px; border: 45px solid #fff; border-radius: 50%; box-shadow: 0 22px 55px rgba(23, 33, 43, .12); transform: translate(-50%, -50%); }
.inspection-shape::after { position: absolute; inset: -28px; border: 1px solid rgba(24, 183, 163, .35); border-radius: inherit; content: ""; }
.quality-badge { position: absolute; right: 24px; bottom: 24px; z-index: 1; display: flex; flex-direction: column; padding: 15px 20px; border-radius: 13px; background: var(--navy); color: var(--white); }
.quality-badge strong { font: 800 1.55rem Manrope, sans-serif; }
.quality-badge span { color: #b8c5d2; font-size: .66rem; }
.check-list { display: grid; gap: 13px; margin-top: 30px; }
.check-list span { color: #3d4d63; }
.check-list span::before { display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 11px; border-radius: 50%; background: #d9f3ef; color: var(--teal-dark); content: "✓"; font-size: .68rem; font-weight: 800; }

.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 92px; }
.about-grid p { color: var(--muted); font-size: 1rem; }

.quote-section { position: relative; overflow: hidden; padding: 112px 0; background: linear-gradient(145deg, #0b1f3a, #07162a); color: var(--white); scroll-margin-top: 84px; }
.quote-section::before { position: absolute; bottom: -330px; left: -260px; width: 700px; height: 700px; border: 1px solid rgba(24, 183, 163, .15); border-radius: 50%; content: ""; }
.quote-grid { position: relative; display: grid; grid-template-columns: .86fr 1.14fr; gap: 82px; }
.contact-lines { display: flex; flex-direction: column; gap: 8px; margin-top: 30px; color: #d7e0e8; font-size: .9rem; }
.quote-form { padding: 30px; border: 1px solid rgba(255, 255, 255, .5); border-radius: 22px; background: var(--white); color: var(--ink); box-shadow: 0 28px 70px rgba(0, 0, 0, .22); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: flex; flex-direction: column; gap: 7px; margin-bottom: 14px; color: #415069; font-size: .7rem; font-weight: 700; }
input, select, textarea { width: 100%; padding: 12px 13px; border: 1px solid var(--line); border-radius: 10px; outline: none; background: #fbfcfd; color: var(--ink); transition: border-color .2s ease, box-shadow .2s ease; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(24, 183, 163, .13); }
.file-field { padding: 12px; border: 1px dashed #b7c3ce; border-radius: 10px; background: #f8fafb; }
.file-field input { padding: 5px 0; border: 0; background: transparent; }
.form-status { margin: 12px 0 0; color: #267364; font-size: .78rem; }

.site-footer { padding: 70px 0 24px; background: #061426; color: #b7c3ce; }
.footer-grid { display: grid; grid-template-columns: 1.45fr repeat(3, 1fr); gap: 48px; }
.footer-grid > div { display: flex; flex-direction: column; gap: 10px; }
.footer-grid strong { color: var(--white); font-size: .8rem; }
.footer-grid a:not(.brand) { font-size: .78rem; }
.footer-grid a:not(.brand):hover { color: #69ddcd; }
.footer-brand { align-self: flex-start; margin-bottom: 7px; color: var(--white); }
.footer-brand .logo-mark { background: var(--white); }
.footer-brand .logo-mark::after { background: var(--navy); }
.footer-brand .brand-word span:first-child { color: var(--white); }
.footer-brand small { color: #8d9bad; }
.footer-grid p { font-size: .78rem; }
.copyright { padding-top: 22px; margin-top: 50px; border-top: 1px solid rgba(255, 255, 255, .1); color: #7d8ca0; font-size: .7rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1040px) {
  .main-nav { gap: 19px; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 38px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-wrap { height: 78px; }
  .main-nav, .nav-wrap > .btn { display: none; }
  .menu-toggle { display: block; }
  .main-nav.open { position: absolute; top: 78px; right: 0; left: 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 22px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .98); box-shadow: 0 20px 40px rgba(11, 31, 58, .1); }
  .main-nav.open a { padding: 11px 0; }
  .main-nav a::after { display: none; }
  .hero-grid, .split, .quote-grid, .about-grid, .section-head { grid-template-columns: 1fr; }
  .hero-grid { padding: 86px 0 80px; }
  .hero-copy { max-width: 720px; }
  .hero-visual { height: 490px; }
  .section-head { gap: 14px; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 22px 0; }
  .trust-grid div:nth-child(3) { padding-left: 0; border-left: 0; }
  .section, .quote-section { padding: 86px 0; }
  .split, .quote-grid, .about-grid { gap: 52px; }
  .quality-panel { max-width: 640px; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .brand small { display: none; }
  .brand-word { font-size: 1.28rem; }
  .logo-mark { width: 35px; height: 40px; }
  .logo-mark::before { inset: 4px; }
  .logo-mark::after { inset: 8px; }
  .logo-mark i { inset: 12px; }
  h1 { font-size: clamp(2.6rem, 13vw, 3.35rem); }
  h2 { font-size: 2.1rem; }
  .hero-grid { gap: 38px; padding-top: 68px; }
  .hero-text { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-notes { flex-direction: column; gap: 7px; }
  .hero-visual { height: 370px; border-radius: 22px; }
  .plate-a { top: 86px; left: 15px; width: 230px; height: 142px; }
  .disc-a { top: 51px; right: 15px; width: 95px; height: 95px; border-width: 14px; }
  .ring-a { right: 22px; bottom: 52px; width: 126px; height: 126px; border-width: 31px; }
  .rod-a { left: 105px; width: 48px; height: 245px; }
  .floating-card { right: 15px; bottom: 15px; left: 15px; min-width: 0; }
  .trust-grid, .card-grid, .industry-grid, .form-row, .footer-grid { grid-template-columns: 1fr; }
  .trust-grid div, .trust-grid div:nth-child(3) { padding: 0 0 18px; border-bottom: 1px solid var(--line); border-left: 0; }
  .section, .quote-section { padding: 72px 0; }
  .industry h3 { margin-top: 42px; }
  .quality-panel { height: 350px; }
  .inspection-shape { width: 190px; height: 190px; border-width: 36px; }
  .quote-form { padding: 20px; }
  .footer-grid { gap: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
