/* ============================================================
   LAB INDUSTRY — Modern industrial / lab theme
   ============================================================ */

:root {
  --navy:        #0F2540;
  --navy-2:      #122B4A;
  --navy-deep:   #081627;
  --orange:      #F29050;
  --orange-2:    #F5A05B;
  --orange-soft: #FFD9B8;

  --ink:         #0B1A2E;
  --muted:       #5A6675;
  --line:        #E5E9EF;
  --bg:          #F6F8FB;
  --bg-alt:      #EEF2F7;
  --white:       #FFFFFF;

  --grad-orange: linear-gradient(135deg, #F29050 0%, #F5B36B 100%);
  --grad-cool:   linear-gradient(135deg, #3CC8FF 0%, #6E8CFF 100%);

  --radius:      18px;
  --radius-sm:   12px;
  --shadow-1:    0 8px 24px rgba(15,37,64,.06), 0 1px 2px rgba(15,37,64,.04);
  --shadow-2:    0 22px 60px rgba(15,37,64,.16), 0 4px 12px rgba(15,37,64,.06);

  --max:         1200px;
  --pad-x:       clamp(20px, 4vw, 48px);

  --t-fast:      .25s cubic-bezier(.2,.7,.2,1);
  --t-med:       .45s cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 .4em;
}
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }

/* ============== Gradient text helper ============== */
.grad {
  background: var(--grad-orange);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

/* ============== Eyebrow chip ============== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
  font-weight: 600;
  color: rgba(255,255,255,.78);
  margin-bottom: 18px;
}
.eyebrow i {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(242,144,80,.18);
}
.eyebrow--dark { color: var(--navy); }
.eyebrow--dark i { box-shadow: 0 0 0 4px rgba(242,144,80,.22); }

/* ============== Buttons ============== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-orange);
  color: #fff;
  box-shadow: 0 10px 30px rgba(242,144,80,.32);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(242,144,80,.42);
}
.btn--ghost {
  background: rgba(255,255,255,.04);
  border-color: rgba(255,255,255,.22);
  color: #fff;
}
.btn--ghost:hover { background: rgba(255,255,255,.08); }
.section--light .btn--ghost { color: var(--navy); border-color: rgba(15,37,64,.18); background: transparent; }
.section--light .btn--ghost:hover { background: rgba(15,37,64,.04); }
.btn--sm { padding: 10px 18px; font-size: 14px; }
.btn--full { width: 100%; justify-content: center; }

/* ============== NAV ============== */
.nav {
  position: fixed; inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--t-fast), backdrop-filter var(--t-fast), box-shadow var(--t-fast);
}
.nav.is-stuck {
  background: rgba(8,22,39,.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  position: relative;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { height: 100px; width: auto; display: block; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 18px; color: #fff;
  letter-spacing: -.01em;
}
.brand__tag {
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: rgba(255,255,255,.62);
}
.nav__links {
  display: flex; align-items: center; gap: 30px;
}
.nav__links a {
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,.82);
  transition: color var(--t-fast);
}
.nav__links a:hover { color: #fff; }
.nav__cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--grad-orange);
  color: #fff !important;
  box-shadow: 0 8px 24px rgba(242,144,80,.32);
}
.nav__cta:hover { transform: translateY(-1px); }

.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px;
}
.nav__burger span {
  width: 22px; height: 2px; background: #fff; border-radius: 2px;
  transition: transform var(--t-fast), opacity var(--t-fast);
}

/* ============== HERO ============== */
.hero {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(circle at 80% 10%, #16365C 0%, #0B1E36 45%, #06121F 100%);
  color: #fff;
  overflow: hidden;
  padding: 140px 0 80px;
  display: flex; align-items: center;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 78%);
}
.hero__glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .55;
}
.hero__glow--a { top: -120px; right: -100px; background: #F29050; }
.hero__glow--b { bottom: -180px; left: -120px; background: #3CC8FF; opacity: .35; }

.hero__inner {
  position: relative; z-index: 2;
  max-width: var(--max); margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 60px; align-items: center; width: 100%;
}
.hero__title {
  font-size: clamp(40px, 6.2vw, 76px);
  font-weight: 700; letter-spacing: -.03em;
  margin-bottom: 22px;
}
.hero__lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: rgba(255,255,255,.78);
  max-width: 580px;
  margin-bottom: 32px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__stats {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 48px; flex-wrap: wrap;
}
.hero__stats li { display: flex; flex-direction: column; }
.hero__stats strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px; font-weight: 700; color: #fff;
}
.hero__stats span {
  font-size: 13px; color: rgba(255,255,255,.6);
  text-transform: uppercase; letter-spacing: .1em;
  margin-top: 4px;
}

/* Hero cylinder art */
.hero__art {
  position: relative;
  display: flex; justify-content: center; align-items: flex-end;
  height: 100%;
  min-height: 480px;
}
.cylinder-stack {
  position: relative;
  display: flex; gap: 18px; align-items: flex-end;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,.55));
}
.cyl {
  width: 110px; height: auto;
  animation: floatY 6s ease-in-out infinite;
}
.cyl--blue   { --y: 20px;  animation-delay: -1s; }
.cyl--orange { --y: -10px; animation-delay: -3s; }
.cyl--silver { --y: 30px;  animation-delay: -5s; }
@keyframes floatY {
  0%, 100% { transform: translateY(var(--y, 0px)); }
  50%      { transform: translateY(calc(var(--y, 0px) - 14px)); }
}

.hero__scroll {
  position: absolute;
  bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 14px;
  z-index: 3;
}
.hero__scroll span {
  position: absolute; left: 50%; top: 8px;
  width: 4px; height: 8px;
  background: #fff; border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 16px); }
}

/* ============== Logo marquee ============== */
.logos {
  background: var(--navy-deep);
  color: rgba(255,255,255,.55);
  padding: 22px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.logos__track {
  display: flex; gap: 40px; align-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; letter-spacing: .2em;
  font-size: 14px; text-transform: uppercase;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
  width: max-content;
  padding-left: 40px;
}
.logos__track i { color: var(--orange); font-style: normal; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============== Generic sections ============== */
.section { padding: clamp(70px, 9vw, 130px) 0; }
.section--light { background: var(--white); color: var(--ink); }
.section--light.section--alt { background: var(--bg); }
.section--dark  { background: var(--navy); color: #fff; }
.section--dark .lede, .section--dark p { color: rgba(255,255,255,.78); }

.section__head { max-width: 720px; margin: 0 0 56px; }
.section__head--center { margin: 0 auto 56px; text-align: center; }
.section__head h2 {
  font-size: clamp(30px, 4.2vw, 52px);
}
.section--light .section__head h2 { color: var(--navy); }
.lede { font-size: clamp(15px, 1.4vw, 18px); color: var(--muted); }
.section--dark .lede { color: rgba(255,255,255,.78); }

.section__tail {
  display: flex; align-items: center; justify-content: center;
  gap: 18px; flex-wrap: wrap; margin-top: 40px;
  color: var(--muted);
  font-size: 15px;
}

/* ============== Gas grid ============== */
.gas-grid {
  display: grid; gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.gas-card {
  position: relative;
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-fast);
}
.gas-card::before {
  content: ""; position: absolute; inset: 0;
  background: var(--tint, linear-gradient(135deg, #fff 0%, #fff 100%));
  opacity: 0;
  transition: opacity var(--t-med);
  z-index: 0;
}
.gas-card > * { position: relative; z-index: 1; }
.gas-card {
  cursor: pointer;
}
.gas-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
  border-color: transparent;
}
.gas-card:active {
  transform: translateY(-2px);
}
.gas-card:hover::before { opacity: 1; }
.gas-card:hover h3, .gas-card:hover p, .gas-card:hover .gas-card__meta li,
.gas-card:hover .gas-card__purity { color: #fff !important; }
.gas-card:hover .gas-card__purity { background: rgba(255,255,255,.18); }
.gas-card:hover .gas-card__sym { color: rgba(255,255,255,.95); border-color: rgba(255,255,255,.4); }
.gas-card:hover .gas-card__meta { border-top-color: rgba(255,255,255,.2); }

.gas-card[data-tint="blue"]   { --tint: linear-gradient(135deg, #1e6aa8, #0e2f4e); }
.gas-card[data-tint="orange"] { --tint: linear-gradient(135deg, #d96a23, #7a2c0c); }
.gas-card[data-tint="silver"] { --tint: linear-gradient(135deg, #5a6472, #232a36); }
.gas-card[data-tint="violet"] { --tint: linear-gradient(135deg, #6f4dbf, #2a1857); }
.gas-card[data-tint="teal"]   { --tint: linear-gradient(135deg, #1f9c9c, #0a3c4a); }
.gas-card[data-tint="green"]   { --tint: linear-gradient(135deg, #2d8e5e, #103a26); }
.gas-card[data-tint="crimson"] { --tint: linear-gradient(135deg, #a63020, #4a0808); }
.gas-card[data-tint="amber"]  { --tint: linear-gradient(135deg, #b87020, #5a2e00); }
.gas-card[data-tint="pink"]   { --tint: linear-gradient(135deg, #a0307a, #4a0838); }

.gas-card__head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 22px;
}
.gas-card__sym {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 22px;
  width: 56px; height: 56px;
  border-radius: 14px;
  border: 1.5px solid var(--line);
  color: var(--navy);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.gas-card__purity {
  font-size: 12px; font-weight: 600; letter-spacing: .04em;
  padding: 6px 12px; border-radius: 999px;
  background: var(--bg);
  color: var(--muted);
  transition: background var(--t-fast), color var(--t-fast);
}
.gas-card h3 { font-size: 24px; color: var(--navy); }
.gas-card p  { color: var(--muted); font-size: 15px; }
.gas-card__meta {
  list-style: none; padding: 16px 0 0; margin: 0;
  border-top: 1px solid var(--line);
  display: grid; gap: 6px;
}
.gas-card__meta li {
  font-size: 13px; color: var(--ink);
  padding-left: 16px; position: relative;
}
.gas-card__meta li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange);
}

/* ============== Mobile labs ============== */
.labs { display: grid; grid-template-columns: 1fr 1.05fr; gap: 70px; align-items: center; }
.labs__copy h2 { font-size: clamp(30px, 4.2vw, 52px); }
.labs__features { list-style: none; padding: 0; margin: 28px 0 36px; display: grid; gap: 18px; }
.labs__features li { display: flex; gap: 14px; align-items: flex-start; }
.labs__features svg {
  width: 26px; height: 26px;
  background: rgba(242,144,80,.12);
  border-radius: 8px;
  padding: 4px;
  flex-shrink: 0;
}
.labs__features strong { display: block; color: #fff; font-size: 15px; margin-bottom: 2px; }
.labs__features span { color: rgba(255,255,255,.7); font-size: 14px; }

.labs__media {
  position: relative;
  height: 540px;
}
.labs__photo {
  position: absolute;
  background-size: cover; background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}
.labs__photo--a {
  top: 0; left: 0;
  width: 70%; height: 65%;
  z-index: 2;
}
.labs__photo--b {
  top: 18%; right: 0;
  width: 50%; height: 55%;
  z-index: 1;
  border: 6px solid var(--navy);
}
.labs__photo--c {
  bottom: 0; left: 18%;
  width: 60%; height: 40%;
  z-index: 3;
  border: 6px solid var(--navy);
}
.labs__badge {
  position: absolute; bottom: 22px; right: 22px;
  z-index: 4;
  background: var(--grad-orange);
  color: #fff;
  padding: 14px 20px;
  border-radius: 14px;
  text-align: center;
  box-shadow: 0 14px 36px rgba(242,144,80,.4);
}
.labs__badge strong { font-family: 'Space Grotesk', sans-serif; font-size: 22px; display: block; }
.labs__badge span { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .88; }

/* ============== Steps ============== */
.steps {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.steps li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow-1);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}
.steps li:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.steps__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px; font-weight: 700; letter-spacing: .14em;
  color: var(--orange);
  display: block; margin-bottom: 18px;
}
.steps h3 { color: var(--navy); font-size: 22px; }
.steps p { color: var(--muted); font-size: 14px; margin: 0; }

/* ============== Industries ============== */
.ind-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.ind {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.ind:hover {
  transform: translateY(-4px);
  border-color: var(--orange);
  background: linear-gradient(180deg, #fff 0%, #FFF7EF 100%);
}
.ind__ico {
  font-size: 28px; display: inline-block; margin-bottom: 14px;
  filter: saturate(1.1);
}
.ind h4 { color: var(--navy); font-size: 17px; margin-bottom: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ind p  { color: var(--muted); font-size: 13px; margin: 0; }

/* ============== MRI & Cryogenics ============== */
.mri-section .section__head { margin-bottom: 40px; }
.mri-section .section__head .lede { max-width: 640px; }

.mri-photos {
  position: relative;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  grid-template-rows: 460px;
  gap: 16px;
  border-radius: var(--radius);
  overflow: visible;
}
.mri-photos__item {
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-2);
}
.mri-photos__item--mri  { grid-column: 1; }
.mri-photos__item--dewar { grid-column: 2; }

.mri-photos__badge {
  position: absolute;
  bottom: -18px;
  left: 40px;
  background: var(--navy);
  color: var(--white);
  border-radius: 999px;
  padding: 10px 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-2);
  font-size: 14px;
  z-index: 2;
}
.mri-photos__badge strong {
  background: var(--grad-cool);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 18px;
  font-weight: 700;
}
.mri-photos__badge span { color: rgba(255,255,255,.75); }

@media (max-width: 700px) {
  .mri-photos {
    grid-template-columns: 1fr;
    grid-template-rows: 280px 220px;
  }
  .mri-photos__item--mri  { grid-column: 1; }
  .mri-photos__item--dewar { grid-column: 1; }
  .mri-photos__badge { left: 20px; }
}

/* ============== Partners (Linde) ============== */
.partner { position: relative; overflow: hidden; }
.partner::before {
  content:""; position: absolute; inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(242,144,80,.18), transparent 50%);
  pointer-events: none;
}
.partner__inner {
  position: relative;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center;
}
.partner__copy h2 { font-size: clamp(30px, 4vw, 48px); }
.partner__card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.partner__logo {
  text-align: center;
  padding: 28px 0 30px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.partner__logo span {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 56px;
  letter-spacing: .12em;
  color: #fff;
}
.partner__logo i {
  font-style: normal;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange);
  text-transform: uppercase;
}
.partner__stats {
  margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.partner__stats div { text-align: center; }
.partner__stats dt {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 26px; font-weight: 700;
  background: var(--grad-orange);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  margin-bottom: 4px;
}
.partner__stats dd {
  margin: 0;
  font-size: 12px; color: rgba(255,255,255,.62);
  text-transform: uppercase; letter-spacing: .1em;
}

/* ============== About ============== */
.about__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
.about__img {
  height: 520px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-2);
}
.about__copy h2 { font-size: clamp(30px, 4.2vw, 52px); color: var(--navy); }
.about__copy p  { color: var(--muted); font-size: 16px; }
.about__numbers {
  margin-top: 32px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.about__numbers strong {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px; color: var(--navy); display: block;
}
.about__numbers span {
  font-size: 12px; color: var(--muted);
  text-transform: uppercase; letter-spacing: .1em;
}
/* About on dark background */
.section--dark .about__copy h2  { color: #fff; }
.section--dark .about__copy p   { color: rgba(255,255,255,.70); }
.section--dark .about__numbers  { border-top-color: rgba(255,255,255,.12); }
.section--dark .about__numbers strong { color: #fff; }
.section--dark .about__numbers span   { color: rgba(255,255,255,.50); }

/* ============== Contact ============== */
.contact__inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; }
.contact__copy h2 { font-size: clamp(30px, 4vw, 48px); }
.contact__list {
  list-style: none; padding: 0; margin: 32px 0 0;
  display: grid; gap: 18px;
}
.contact__list li { display: flex; gap: 14px; align-items: center; }
.contact__list svg {
  width: 38px; height: 38px;
  padding: 9px;
  background: rgba(242,144,80,.12);
  border-radius: 10px;
}
.contact__list strong { display: block; color: #fff; font-size: 14px; }
.contact__list span  { color: rgba(255,255,255,.7); font-size: 14px; }

.contact__form {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 32px;
  display: grid; gap: 18px;
  grid-template-columns: 1fr 1fr;
}
.field { display: flex; flex-direction: column; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  color: rgba(255,255,255,.65);
  margin-bottom: 8px; font-weight: 600;
}
.field input,
.field select,
.field textarea {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: #fff;
  font: inherit;
  font-size: 15px;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.field textarea { resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: rgba(255,255,255,.1);
}
.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #F29050 50%),
    linear-gradient(135deg, #F29050 50%, transparent 50%);
  background-position: calc(100% - 22px) 22px, calc(100% - 16px) 22px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.field option { background: var(--navy); color: #fff; }
.contact__form .btn { grid-column: 1 / -1; }
.form__note { grid-column: 1 / -1; margin: 0; font-size: 13px; color: rgba(255,255,255,.7); }
.form__note.is-ok    { color: #6CE0A8; }
.form__note.is-err   { color: #FF9B7A; }

/* ============== Footer ============== */
.foot { background: var(--navy-deep); color: rgba(255,255,255,.65); padding: 70px 0 30px; }
.foot__grid {
  display: grid; gap: 40px;
  grid-template-columns: 1.4fr repeat(3, 1fr);
}
.foot__brand p { max-width: 260px; font-size: 14px; }
.foot__brand .brand__mark { margin-bottom: 14px; height: 160px; width: auto; }
.foot h5 {
  color: #fff;
  font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
  margin-bottom: 16px;
}
.foot a {
  display: block;
  font-size: 14px;
  padding: 4px 0;
  color: rgba(255,255,255,.62);
  transition: color var(--t-fast);
}
.foot a:hover { color: var(--orange); }
.foot__bottom {
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* ============== Cylinder photo gallery ============== */
.cyl-photos {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  grid-template-rows: 210px 210px;
  gap: 12px;
  margin-bottom: 56px;
}
.cyl-photos__main {
  grid-row: 1 / 3;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-2);
}
.cyl-photos__sm {
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}
.cyl-photos__sm--top { background-position: center top; }
.cyl-photos__sm--bot { background-position: center center; }

@media (max-width: 600px) {
  .cyl-photos {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 160px 160px;
  }
  .cyl-photos__main { grid-row: auto; }
}

/* ============== Partner grid (Linde + Laarmann) ============== */
.partner-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
/* Linde featured — no frame, just logo + caption */
.linde-featured {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  padding: 8px 0;
}
.linde-featured__logo {
  max-height: 80px;
  width: auto;
  object-fit: contain;
}
.linde-featured__caption {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  color: rgba(15,37,64,.60);
  margin: 0;
  font-style: italic;
}

.partner-card {
  background: #fff;
  border: 1px solid rgba(15,37,64,.12);
  border-radius: var(--radius);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-med);
}
.partner-card:hover {
  background: #f8fafc;
  border-color: rgba(15,37,64,.22);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(15,37,64,.10);
}
.partner-card__logo {
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-card__logo img {
  max-height: 44px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  display: block;
}
.partner-card__logo-fallback {
  display: none;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: .12em;
  color: var(--navy);
}
.partner-card p {
  color: rgba(15,37,64,.65);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
  flex: 1;
}
.partner-card__stats {
  margin: 0; padding: 20px 0 0;
  border-top: 1px solid rgba(15,37,64,.1);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.partner-card__stats div { text-align: center; }
.partner-card__stats dt {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 700;
  background: var(--grad-orange);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  margin-bottom: 4px;
  display: block;
}
.partner-card__stats dd {
  margin: 0;
  font-size: 11px; color: rgba(15,37,64,.45);
  text-transform: uppercase; letter-spacing: .1em;
}

@media (max-width: 720px) {
  .partner-grid { grid-template-columns: 1fr; }
}

/* ============== Partners layout — Linde + clients grid ============== */
.partners-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 28px;
  align-items: start;
}

/* Chaotic / scattered logo wall */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
  padding: 4px 0;
}

/* Varied rotations & offsets for organic scattered feel */
.client-logo-item:nth-child(2)  { transform: rotate(-1.4deg); }
.client-logo-item:nth-child(3)  { transform: rotate(0.9deg);  margin-top: 10px; }
.client-logo-item:nth-child(4)  { transform: rotate(1.6deg);  margin-top: -6px; }
.client-logo-item:nth-child(5)  { transform: rotate(-0.8deg); }
.client-logo-item:nth-child(6)  { transform: rotate(1.1deg);  margin-top: 8px; }
.client-logo-item:nth-child(7)  { transform: rotate(-1.7deg); margin-top: -4px; }
.client-logo-item:nth-child(8)  { transform: rotate(0.6deg);  margin-top: 6px; }
.client-logo-item:nth-child(9)  { transform: rotate(-1.2deg); }
.client-logo-item:nth-child(10) { transform: rotate(1.3deg);  margin-top: 10px; }
.client-logo-item:nth-child(11) { transform: rotate(-0.5deg); margin-top: -8px; }

/* Some items span 2 columns for size variety */
.client-logo-item:nth-child(4) { grid-column: span 2; }
.client-logo-item:nth-child(9) { grid-column: span 2; }

.client-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.client-logo-item img {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
  display: block;
  opacity: 0.85;
  transition: opacity var(--t-fast);
}
.client-logo-item:hover img { opacity: 1; }
/* Individual logo size overrides */
.clients-grid .client-logo-item:nth-child(1) img { max-height: 80px; } /* ZCMC */
.clients-grid .client-logo-item:nth-child(2) img { max-height: 80px; } /* Kapan */
.clients-grid .client-logo-item:nth-child(3) img { max-height: 80px; } /* Teghout */
.clients-grid .client-logo-item:nth-child(7) img { max-height: 34px; } /* PharmaTech */

/* Monogram fallback — hidden by default */
.client-mono {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}
.client-mono__letters {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: rgba(15,37,64,.80);
  line-height: 1;
  transition: color var(--t-fast);
}
.client-mono__name {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: rgba(15,37,64,.45);
  text-transform: uppercase;
  line-height: 1;
  transition: color var(--t-fast);
}
.client-logo-item:hover .client-mono__letters { color: rgba(15,37,64,1); }
.client-logo-item:hover .client-mono__name    { color: rgba(15,37,64,.65); }

@media (max-width: 960px) {
  .partners-layout { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .client-logo-item:nth-child(4),
  .client-logo-item:nth-child(9) { grid-column: span 1; }
}

/* ============== Molecule catalog ============== */
.mol-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(256px, 1fr));
}

.mol-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-bottom: 2px solid var(--accent, #F29050);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--t-med), box-shadow var(--t-med), background var(--t-fast);
  display: flex;
  flex-direction: column;
}
.mol-card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,.07);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}

.mol-viewer {
  width: 100%;
  height: 230px;
  background: radial-gradient(ellipse at center,
    rgba(255,255,255,.04) 0%,
    rgba(0,0,0,.25) 100%);
  cursor: grab;
}
.mol-viewer:active { cursor: grabbing; }
.mol-viewer canvas  { display: block; }

.mol-info {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.mol-info__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.mol-formula {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--accent, #F29050);
}
.mol-grade {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.06);
  padding: 5px 10px;
  border-radius: 999px;
}
.mol-info h3 {
  font-size: 20px;
  color: #fff;
  margin-bottom: 8px;
}
.mol-info p {
  font-size: 13px;
  color: rgba(255,255,255,.62);
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 720px) {
  .mol-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
  .mol-viewer { height: 190px; }
}

/* ============== Reveal animation ============== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ============== Responsive ============== */
@media (max-width: 980px) {
  .hero { padding: 120px 0 60px; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 50px; }
  .hero__art { min-height: 420px; order: 2; }
  .cyl { width: 92px; }

  .labs, .about__grid, .partner__inner, .contact__inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .labs__media { height: 460px; }
  .about__img { height: 360px; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav.is-open .nav__links {
    display: flex;
    flex-direction: column;
    position: absolute; top: 100%; right: var(--pad-x);
    background: rgba(8,22,39,.96);
    padding: 22px 26px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-2);
    gap: 16px;
  }

  .hero__stats { gap: 26px; }
  .hero__stats strong { font-size: 22px; }

  .contact__form { grid-template-columns: 1fr; padding: 24px; }

  .labs__media { height: 380px; }
  .labs__photo--a { width: 78%; height: 62%; }
  .labs__photo--b { width: 55%; height: 50%; }
  .labs__photo--c { width: 66%; height: 38%; }
}

@media (max-width: 480px) {
  .partner__stats { grid-template-columns: 1fr; }
  .about__numbers { grid-template-columns: 1fr; gap: 14px; }
  .foot__grid { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}

/* ============== Hero brand variant ============== */
.hero__title--brand {
  font-size: clamp(52px, 8vw, 96px);
  letter-spacing: -.03em;
  margin-bottom: 14px;
}
.hero__subtitle {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 500;
  color: rgba(255,255,255,.82);
  margin: 0 0 18px;
}
.hero__pills {
  font-size: clamp(13px, 1.2vw, 15px);
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--orange);
  margin: 0 0 24px;
}

/* ============== Language toggle ============== */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 13px;
  border-radius: 999px;
  border: 1.5px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.85);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.lang-toggle:hover {
  background: rgba(242,144,80,.18);
  border-color: var(--orange);
  color: var(--orange);
}

/* ============== Reduce motion ============== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}