/* PTP Ceramics — Cloudflare Pages static site */
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --navy: #06295a;
  --navy-2: #083873;
  --ink: #111827;
  --muted: #4b5563;
  --soft: #f6f8fc;
  --line: #e5e7eb;
  --white: #fff;
  --todo: #9a3412;
  --todo-bg: #fff7ed;
  --max: 1440px;
  --shadow: 0 18px 45px rgba(6, 41, 90, .14);
  /* Three weights only: body, labels, headings */
  --regular: 400;
  --semibold: 600;
  --bold: 800;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Anchor targets clear the sticky header */
[id] { scroll-margin-top: 6rem; }

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

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

img { max-width: 100%; height: auto; }

:focus-visible {
  outline: 3px solid var(--navy-2);
  outline-offset: 3px;
}

svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

h1, h2, h3 {
  margin: 0;
  color: var(--ink);
  font-weight: var(--bold);
  line-height: 1.1;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: #fff;
  color: var(--navy);
  border: 1px solid var(--line);
  padding: .75rem 1rem;
  z-index: 50;
}

.skip-link:focus { left: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229,231,235,.82);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 80px;
  padding: 0 3.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem;
  align-items: center;
}

.brand img {
  width: 140px;
  display: block;
}

.nav-links {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: .86rem;
  font-weight: var(--semibold);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.nav-links a {
  position: relative;
  color: #1f2937;
  padding: 1.6rem 0;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active { color: var(--navy); }

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.1rem;
  height: 2px;
  background: var(--navy);
}

.language-link {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .35rem .65rem !important;
}

.language-link::after { display: none; }

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  min-height: 46px;
  padding: .85rem 1.35rem;
  border-radius: 3px;
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
  font-size: .82rem;
  font-weight: var(--semibold);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
  box-shadow: 0 12px 28px rgba(6,41,90,.16);
}

.nav-cta:hover,
.button:hover { background: var(--navy-2); }

.button-ghost {
  background: rgba(255,255,255,.85);
  color: var(--navy);
  box-shadow: none;
}

.button-ghost:hover { background: #fff; }

.menu-button {
  display: none;
  margin-left: auto;
  min-height: 44px;
  align-items: center;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  border-radius: 999px;
  padding: .55rem 1.1rem;
  font: inherit;
  font-weight: var(--semibold);
  cursor: pointer;
}

/* Hero */
.hero {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  min-height: 520px;
  overflow: hidden;
  background: #f7f8fa;
}

.hero-image {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.92) 29%, rgba(255,255,255,.18) 54%, rgba(255,255,255,0) 100%),
    url("/assets/img/hero-lab-component.jpg") center / cover no-repeat;
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.92) 29%, rgba(255,255,255,.18) 54%, rgba(255,255,255,0) 100%),
    image-set(url("/assets/img/hero-lab-component.webp") type("image/webp"), url("/assets/img/hero-lab-component.jpg") type("image/jpeg")) center / cover no-repeat;
}

.hero-panel {
  position: relative;
  z-index: 2;
  max-width: 640px;
  padding: 3.8rem 3.5rem 9.5rem;
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--navy);
  font-size: .82rem;
  font-weight: var(--semibold);
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  text-wrap: pretty;
}

/* German compounds are long: slightly smaller headline keeps it to three lines */
.hero h1:lang(de) { font-size: clamp(2.1rem, 3.4vw, 3.1rem); }

.rule {
  display: block;
  width: 78px;
  height: 2px;
  margin: 1.35rem 0 1.2rem;
  background: var(--navy);
}

.hero-panel p:not(.eyebrow) {
  max-width: 500px;
  margin: 0 0 1.8rem;
  color: #2f3743;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.hero-features {
  position: absolute;
  z-index: 3;
  left: 2rem;
  right: 2rem;
  bottom: 1.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(229,231,235,.85);
  box-shadow: var(--shadow);
}

.hero-features div {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1rem 1.15rem;
  color: var(--navy);
  border-right: 1px solid var(--line);
}

.hero-features div:last-child { border-right: 0; }

.hero-features svg { flex: none; }

.hero-features span {
  color: var(--ink);
  font-size: .72rem;
  font-weight: var(--semibold);
  line-height: 1.25;
  letter-spacing: .02em;
  text-transform: uppercase;
}

/* Working with us */
.process {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.25rem 3.5rem 2.5rem;
  background: var(--navy);
  color: #fff;
}

.process :focus-visible { outline-color: #fff; }

.process-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .25rem 2rem;
  margin-bottom: 1.1rem;
}

.process .eyebrow {
  margin: 0;
  color: rgba(255,255,255,.75);
  line-height: 1.55;
}

.process-link {
  padding-block: .75rem;
  font-size: .82rem;
  font-weight: var(--semibold);
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.process-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process-steps li {
  counter-increment: step;
  display: grid;
  gap: .35rem;
  align-content: start;
  padding-left: 1.1rem;
  border-left: 1px solid rgba(255,255,255,.22);
}

.process-steps li::before {
  content: counter(step, decimal-leading-zero);
  color: rgba(255,255,255,.55);
  font-size: .78rem;
  font-weight: var(--semibold);
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}

.process-steps h3 {
  color: #fff;
  font-size: 1.15rem;
  letter-spacing: -.01em;
}

.process-steps p {
  margin: 0;
  color: rgba(255,255,255,.78);
  font-size: .9rem;
  line-height: 1.45;
}

/* Technology and applications */
.content-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 4% 55%, rgba(6, 41, 90, .08), transparent 14%),
    #fff;
}

.info-card {
  padding: 3rem 3.5rem;
  min-height: 305px;
  border-right: 1px solid var(--line);
}

.content-grid > :last-child { border-right: 0; }

.info-card h2 { font-size: clamp(1.45rem, 2.2vw, 2.05rem); }

.info-card p,
.about-section p,
.news-section p,
.contact-section p {
  color: var(--muted);
  font-size: .95rem;
}

.applications-card {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 2.5rem;
  align-items: start;
}

.app-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem 1rem;
}

.app-img {
  display: block;
  aspect-ratio: 16 / 9;
  margin-bottom: .7rem;
  background-position: center;
  background-size: cover;
  border-radius: 2px;
}

.app h3 {
  margin-bottom: .25rem;
  color: var(--navy);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.app p {
  margin: 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.45;
}

.app-note {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: .75rem !important;
}

.aerospace .app-img {
  background-image: url("/assets/img/app-aerospace-v2.jpg");
  background-image: image-set(url("/assets/img/app-aerospace-v2.webp") type("image/webp"), url("/assets/img/app-aerospace-v2.jpg") type("image/jpeg"));
}
.defense .app-img {
  background-image: url("/assets/img/app-defense-v2.jpg");
  background-image: image-set(url("/assets/img/app-defense-v2.webp") type("image/webp"), url("/assets/img/app-defense-v2.jpg") type("image/jpeg"));
}
.energy .app-img {
  background-image: url("/assets/img/app-energy-v2.jpg");
  background-image: image-set(url("/assets/img/app-energy-v2.webp") type("image/webp"), url("/assets/img/app-energy-v2.jpg") type("image/jpeg"));
}
.industrial .app-img {
  background-image: url("/assets/img/app-industrial-v2.jpg");
  background-image: image-set(url("/assets/img/app-industrial-v2.webp") type("image/webp"), url("/assets/img/app-industrial-v2.jpg") type("image/jpeg"));
}

/* About, news, contact */
.about-section,
.news-section,
.contact-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem 3.5rem;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 4rem;
  background: #f8fafc;
}

.news-section,
.contact-section {
  background: #fff;
  border-top: 1px solid var(--line);
}

.about-section h2,
.news-section h2,
.contact-section h2 { font-size: clamp(2rem, 3.4vw, 3.2rem); }

.about-section p,
.news-section p,
.contact-section p {
  font-size: 1.05rem;
  margin-top: 0;
}

.team { grid-column: 1 / -1; }

.team ul {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.team li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.team img {
  width: 96px;
  height: 96px;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
}

.team strong { display: block; }

.team span {
  display: block;
  color: var(--navy);
  font-size: .78rem;
  font-weight: var(--semibold);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.team p { margin: .4rem 0 0; font-size: .95rem; }

.contact-section { align-items: end; }

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.6rem;
  display: grid;
  gap: .25rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 44px;
  color: #1f2937;
  font-size: 1.05rem;
}

.contact-list a { padding-block: .6rem; }

.contact-list a:hover {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-list svg {
  width: 20px;
  height: 20px;
  flex: none;
  color: var(--navy);
}

/* Placeholder text that PTP still has to supply */
.todo {
  background: var(--todo-bg);
  color: var(--todo);
  padding: 0 .3em;
  border-radius: 2px;
}

/* Footer */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.6rem 3.5rem 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 2rem;
  background: var(--navy);
  color: #fff;
  font-size: .82rem;
}

.footer :focus-visible { outline-color: #fff; }

.footer-brand img {
  display: block;
  width: 110px;
}

.footer-tagline {
  margin: 0;
  padding-left: 2rem;
  border-left: 1px solid rgba(255,255,255,.25);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-weight: var(--semibold);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-copy {
  grid-column: 1 / -1;
  margin: 1.4rem 0 0;
  padding-block: 1rem;
  border-top: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.7);
}

.footer-links a {
  padding-block: .75rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Legal pages */
.legal-page {
  max-width: 820px;
  margin: 0 auto;
  padding: 4rem 3.5rem 5rem;
}

.legal-page h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(2rem, 3.4vw, 2.8rem);
}

.legal-page h2 {
  margin: 2.4rem 0 .7rem;
  font-size: 1.25rem;
}

.legal-page p,
.legal-page li,
.legal-page dd { color: var(--muted); }

.legal-page p { margin: 0 0 .8rem; }

.legal-page dl {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: .45rem 1.5rem;
  margin: 0;
}

.legal-page dt {
  color: var(--ink);
  font-weight: var(--semibold);
}

.legal-page dd { margin: 0; }

.legal-page a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.draft-note {
  margin: 0 0 2rem !important;
  padding: .9rem 1.1rem;
  border-left: 4px solid var(--todo);
  background: var(--todo-bg);
  color: var(--todo) !important;
  font-size: .92rem;
}

@media (max-width: 1180px) {
  .nav {
    padding: 0 1.25rem;
    gap: 1.25rem;
  }
  .nav-links {
    gap: 1rem;
    font-size: .8rem;
  }
  .nav-cta { padding: .85rem 1rem; }
  .hero-features {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    margin: 0 1.25rem 1.25rem;
  }
  .hero-panel { padding-bottom: 2.5rem; }
  .process { padding: 2rem 1.25rem 2.25rem; }
  .info-card { padding: 3rem 2rem; }
  .applications-card {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
}

@media (max-width: 900px) {
  [id] { scroll-margin-top: 5.5rem; }
  .nav {
    position: relative;
    display: flex;
    min-height: 68px;
  }
  .brand img { width: 116px; }
  .menu-button { display: inline-flex; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: 100%;
    justify-self: stretch;
    padding: 1rem;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    font-size: .86rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: .85rem; }
  .nav-links a.active::after { display: none; }
  .language-link {
    align-self: flex-start;
    margin-top: .5rem;
  }
  .hero-image {
    background:
      linear-gradient(180deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.9) 35%, rgba(255,255,255,.22) 100%),
      url("/assets/img/hero-lab-component.jpg") center / cover no-repeat;
    background:
      linear-gradient(180deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.9) 35%, rgba(255,255,255,.22) 100%),
      image-set(url("/assets/img/hero-lab-component.webp") type("image/webp"), url("/assets/img/hero-lab-component.jpg") type("image/jpeg")) center / cover no-repeat;
  }
  .hero-panel { padding: 3rem 1.25rem 2rem; }
  .hero-features { grid-template-columns: 1fr 1fr; }
  .hero-features div {
    gap: .6rem;
    padding: .85rem .8rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .hero-features div:nth-child(odd) { border-right: 1px solid var(--line); }
  .hero-features div:nth-child(n+3) { border-bottom: 0; }
  .hero-features svg {
    width: 22px;
    height: 22px;
  }
  .hero-features span { font-size: .64rem; }
  .hero-features br { display: none; }
  .process-steps {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 1rem;
  }
  .process-steps h3 { font-size: 1.02rem; }
  .content-grid,
  .about-section,
  .news-section,
  .contact-section {
    grid-template-columns: 1fr;
  }
  .info-card {
    min-height: 0;
    padding: 2.5rem 1.25rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .content-grid > :last-child { border-bottom: 0; }
  .about-section,
  .news-section,
  .contact-section {
    gap: 1.5rem;
    padding: 3rem 1.25rem;
  }
  .footer {
    grid-template-columns: 1fr;
    justify-items: start;
    row-gap: 1rem;
    padding: 2rem 1.25rem 0;
  }
  .footer-tagline {
    padding-left: 0;
    border-left: 0;
  }
  .footer-copy {
    justify-self: stretch;
    margin-top: .5rem;
  }
  .legal-page { padding: 2.5rem 1.25rem 3.5rem; }
  .legal-page dl { grid-template-columns: 1fr; gap: .1rem; }
  .legal-page dd { margin-bottom: .7rem; }
}