:root {
  --ink: #06131b;
  --ink-soft: #0a202a;
  --petrol: #0b4160;
  --teal: #28d5b4;
  --teal-dark: #087f71;
  --paper: #f1f4f2;
  --white: #fbfcfa;
  --line: #d5dfdc;
  --muted: #5f7177;
  --shell: min(1248px, calc(100vw - 96px));
  --header-height: 108px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.web-public {
  margin: 0;
  min-width: 320px;
  background: var(--ink);
  color: #f7fafa;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.is-lightbox-open { overflow: hidden; }
img, video { max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 2000; transform: translateY(-160%);
  background: var(--teal); color: var(--ink); padding: 12px 18px; font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

/* Header */
.site-header {
  position: relative; z-index: 100; width: 100%; height: var(--header-height);
  background: #06131b; border-bottom: 1px solid rgba(255,255,255,.12);
  transition: height .25s ease, background .25s ease, box-shadow .25s ease;
}
.page-home .site-header { position: absolute; inset: 0 0 auto; background: transparent; }
.page-home .site-header.is-scrolled {
  position: fixed; height: 84px; background: rgba(4,17,25,.94);
  box-shadow: 0 18px 50px rgba(0,0,0,.24); backdrop-filter: blur(18px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-logo { width: 68px; height: 68px; display: block; object-fit: contain; filter: drop-shadow(0 0 18px rgba(40,213,180,.14)); }
.brand-copy { display: grid; gap: 4px; }
.brand-copy strong { font-size: 19px; line-height: 1; letter-spacing: .01em; }
.brand-copy small { color: rgba(255,255,255,.59); font-size: 8px; line-height: 1; text-transform: uppercase; letter-spacing: .2em; }
.desktop-nav { display: flex; align-items: center; gap: 31px; margin-left: auto; }
.desktop-nav a { position: relative; padding: 13px 0; color: rgba(255,255,255,.8); font-size: 14px; }
.desktop-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 1px;
  background: var(--teal); transition: right .22s ease;
}
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav a.is-active { color: #fff; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after, .desktop-nav a.is-active::after { right: 0; }
.login-button {
  min-height: 48px; padding: 0 19px; display: inline-flex; align-items: center; justify-content: center; gap: 16px;
  border: 1px solid rgba(40,213,180,.65); color: #fff; font-size: 13px; white-space: nowrap;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}
.login-button:hover, .login-button:focus-visible { background: var(--teal); color: var(--ink); transform: translateY(-2px); }
.session-actions { display: flex; align-items: center; gap: 13px; }
.session-link { color: #b8c7ca; font-size: 12px; }
.session-link:hover { color: var(--teal); }
.mobile-menu { display: none; position: relative; margin-left: auto; }
.mobile-menu summary {
  width: 46px; height: 46px; display: grid; place-content: center; gap: 5px;
  border: 1px solid rgba(255,255,255,.25); list-style: none; cursor: pointer;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary span { width: 19px; height: 1px; display: block; background: #fff; }
.mobile-menu nav {
  position: absolute; top: 56px; right: 0; width: min(330px, calc(100vw - 32px)); padding: 12px;
  background: rgba(4,18,27,.99); border: 1px solid rgba(40,213,180,.25); box-shadow: 0 24px 80px rgba(0,0,0,.55);
}
.mobile-menu nav a { display: block; padding: 14px 10px; border-bottom: 1px solid rgba(255,255,255,.08); color: #dce5e6; }
.mobile-menu nav a:last-child { border-bottom: 0; color: var(--teal); }

/* Shared typography and controls */
.eyebrow, .section-kicker {
  margin: 0 0 20px; color: var(--teal); font-size: 12px; line-height: 1.4; font-weight: 800;
  text-transform: uppercase; letter-spacing: .14em;
}
.section-kicker.dark { color: var(--teal-dark); }
.button {
  min-height: 54px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: space-between; gap: 34px;
  border: 1px solid transparent; background: transparent; color: inherit; font-size: 14px; font-weight: 750; cursor: pointer;
  transition: transform .2s ease, color .2s ease, background .2s ease, border-color .2s ease;
}
.button span { font-size: 19px; transition: transform .2s ease; }
.button:hover span { transform: translateX(4px); }
.button-primary { min-width: 215px; background: var(--teal); color: #03221f; }
.button-primary:hover, .button-primary:focus-visible { background: #4ce1c4; transform: translateY(-2px); }
.button-ghost { min-width: 170px; border-color: rgba(255,255,255,.45); color: #fff; }
.button-ghost:hover, .button-ghost:focus-visible { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.text-link {
  padding-bottom: 7px; display: inline-flex; align-items: center; gap: 22px;
  color: var(--teal); border-bottom: 1px solid rgba(40,213,180,.35); font-size: 14px; font-weight: 700;
}
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.text-link.dark { color: var(--teal-dark); border-color: rgba(8,127,113,.25); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 100px; align-items: end; margin-bottom: 58px; }
.section-heading h2, .capability-copy h2, .cta-layout h2, .story-layout h2, .timeline-layout h2 {
  margin: 0; font-size: clamp(40px, 4.2vw, 62px); line-height: 1.04; letter-spacing: -.046em; font-weight: 680; text-wrap: balance;
}
.section-heading > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }

/* Home hero */
.hero { position: relative; min-height: 900px; height: max(900px, 100svh); overflow: hidden; background: var(--ink); isolation: isolate; }
.hero-photo {
  position: absolute; inset: 0; z-index: -3;
  background-image:
    linear-gradient(90deg, rgba(4,18,27,.99) 0%, rgba(4,18,27,.92) 27%, rgba(4,18,27,.56) 50%, rgba(4,18,27,.05) 82%),
    linear-gradient(180deg, rgba(4,18,27,.4) 0%, transparent 22%, rgba(4,18,27,.15) 67%, rgba(4,18,27,.88) 100%),
    url("/static/web/hero-industrial-ecoserin.webp");
  background-position: center; background-size: cover; transform: scale(1.01); animation: hero-zoom 16s ease-out both;
}
.hero-grid, .inner-hero-grid, .contact-grid-bg {
  position: absolute; inset: 0; z-index: -2; opacity: .1;
  background-image: linear-gradient(rgba(93,204,186,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(93,204,186,.16) 1px, transparent 1px);
  background-size: 96px 96px; mask-image: linear-gradient(90deg, #000, transparent 62%);
}
.hero-content { height: 100%; display: flex; align-items: center; padding: 130px 0 45px; }
.hero-copy { width: min(720px, 61vw); animation: content-in .7s ease-out both; }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(58px, 6.1vw, 88px); line-height: .98; letter-spacing: -.058em; font-weight: 680; text-wrap: balance; }
.hero-intro { max-width: 565px; margin: 26px 0 0; color: rgba(235,244,244,.74); font-size: 18px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-trust { max-width: 630px; margin: 40px 0 0; padding: 27px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; border-top: 1px solid rgba(255,255,255,.16); }
.hero-trust li { padding-right: 18px; display: flex; align-items: center; gap: 12px; border-right: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.76); font-size: 11px; }
.hero-trust li:nth-child(2) { padding-left: 18px; }
.hero-trust li:last-child { padding-left: 18px; border-right: 0; }
.trust-icon { width: 31px; height: 31px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--teal); color: var(--teal); font-size: 12px; }
.trust-cycle { font-size: 20px; }
.hero-rail { position: absolute; left: 28px; top: 152px; bottom: 43px; width: 1px; background: rgba(40,213,180,.78); }
.hero-rail span { position: absolute; left: -14px; top: 46%; padding: 10px 0; background: #071821; color: var(--teal); font-size: 10px; }
.scroll-cue { position: absolute; right: 38px; bottom: 35px; display: flex; align-items: center; gap: 14px; color: rgba(255,255,255,.58); font-size: 9px; text-transform: uppercase; letter-spacing: .2em; transform: rotate(90deg); transform-origin: right; }
.scroll-cue i { width: 44px; height: 1px; display: block; background: var(--teal); }

/* Client logo marquee */
.client-strip { padding-top: 76px; overflow: hidden; background: var(--white); color: var(--ink); border-bottom: 1px solid var(--line); }
.client-strip-heading { padding-bottom: 50px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: end; }
.client-strip h2 { max-width: 540px; margin: 0; font-size: 29px; line-height: 1.25; letter-spacing: -.025em; }
.client-strip-heading > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.68; }
.client-marquee { position: relative; border-top: 1px solid var(--line); }
.client-marquee::before, .client-marquee::after { content: ""; position: absolute; top: 0; bottom: 0; z-index: 3; width: 90px; pointer-events: none; }
.client-marquee::before { left: 0; background: linear-gradient(90deg, var(--white), transparent); }
.client-marquee::after { right: 0; background: linear-gradient(-90deg, var(--white), transparent); }
.client-track { display: flex; width: max-content; animation: client-marquee 29s linear infinite; will-change: transform; }
.client-marquee:hover .client-track, .client-marquee:focus-within .client-track { animation-play-state: paused; }
.client-item { flex: 0 0 330px; min-height: 154px; padding: 24px 29px; display: grid; grid-template-columns: 128px 1fr; align-items: center; gap: 22px; border-right: 1px solid var(--line); background: rgba(255,255,255,.55); }
.client-item img { width: 100%; max-width: 130px; max-height: 62px; display: block; object-fit: contain; filter: grayscale(1); opacity: .7; transition: filter .25s ease, opacity .25s ease, transform .25s ease; }
.client-item:hover img { filter: grayscale(0); opacity: 1; transform: scale(1.04); }
.client-item .logo-ultu { max-width: 90px; max-height: 78px; }
.client-item .logo-asmar { max-width: 140px; max-height: 56px; }
.client-item .logo-mercado-publico { max-width: 138px; max-height: 64px; }
.client-item div { display: grid; gap: 5px; }
.client-item strong { color: #294149; font-size: 13px; }
.client-item span { color: #74868c; font-size: 9px; line-height: 1.35; text-transform: uppercase; letter-spacing: .08em; }

/* Services and galleries */
.services-section { padding: 118px 0 126px; background: var(--paper); color: var(--ink); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #bdcbc7; border-left: 1px solid #bdcbc7; }
.service-card { min-width: 0; min-height: 600px; padding: 30px; display: flex; flex-direction: column; overflow: hidden; border-right: 1px solid #bdcbc7; border-bottom: 1px solid #bdcbc7; transition: background .28s ease, color .28s ease, transform .28s ease; }
.service-card:hover { background: #0b2631; color: #fff; transform: translateY(-4px); }
.service-card-top { display: flex; align-items: center; justify-content: space-between; }
.service-number { color: var(--teal-dark); font-size: 13px; font-weight: 800; }
.service-arrow { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid #bdcbc7; color: var(--teal-dark); transition: transform .2s ease, background .2s ease; }
.service-card:hover .service-arrow { transform: rotate(45deg); background: var(--teal); color: var(--ink); border-color: var(--teal); }
.service-card h3 { max-width: 320px; margin: 35px 0 17px; font-size: 25px; line-height: 1.18; letter-spacing: -.025em; }
.service-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }
.service-card:hover p { color: rgba(255,255,255,.67); }
.service-detail { margin-top: auto; padding-top: 24px; display: block; border-top: 1px solid #d1dbd8; color: var(--teal-dark); font-size: 10px; line-height: 1.5; text-transform: uppercase; letter-spacing: .1em; }
.service-card:hover .service-detail { border-color: rgba(255,255,255,.15); color: var(--teal); }
.service-gallery { position: relative; height: 240px; margin: -30px -30px 25px; overflow: hidden; flex: 0 0 auto; background: #12323e; touch-action: pan-y; }
.gallery-stage { position: absolute; inset: 0; width: 100%; padding: 0; border: 0; overflow: hidden; background: #12323e; color: #fff; cursor: zoom-in; text-align: left; }
.gallery-stage::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(5,25,33,.02) 36%, rgba(5,25,33,.73) 100%); pointer-events: none; }
.gallery-stage img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; opacity: 0; filter: saturate(.86) contrast(1.04); transform: scale(1.015); transition: opacity .25s ease, transform .55s ease, filter .35s ease; }
.gallery-stage img.is-active { opacity: 1; }
.service-card:hover .gallery-stage img.is-active, .catalog-card:hover .gallery-stage img.is-active { transform: scale(1.055); filter: saturate(1) contrast(1.07); }
.gallery-counter, .gallery-expand { position: absolute; z-index: 2; color: #fff; font-size: 9px; line-height: 1; text-transform: uppercase; letter-spacing: .12em; }
.gallery-counter { left: 18px; bottom: 17px; color: rgba(255,255,255,.84); }
.gallery-expand { top: 16px; right: 16px; padding: 9px 10px; border: 1px solid rgba(255,255,255,.38); background: rgba(5,25,33,.5); opacity: 0; transform: translateY(-4px); transition: opacity .22s ease, transform .22s ease; backdrop-filter: blur(8px); }
.service-gallery:hover .gallery-expand, .gallery-stage:focus-visible .gallery-expand { opacity: 1; transform: translateY(0); }
.gallery-arrow { position: absolute; z-index: 4; top: 50%; width: 38px; height: 44px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); background: rgba(4,18,27,.68); color: #fff; cursor: pointer; opacity: .72; transform: translateY(-50%); transition: opacity .2s ease, background .2s ease, transform .2s ease; backdrop-filter: blur(8px); }
.gallery-arrow:hover, .gallery-arrow:focus-visible { opacity: 1; background: var(--teal); color: var(--ink); }
.gallery-arrow-prev { left: 12px; }
.gallery-arrow-next { right: 12px; }
.gallery-arrow-prev:hover { transform: translate(-2px, -50%); }
.gallery-arrow-next:hover { transform: translate(2px, -50%); }
.gallery-dots { position: absolute; z-index: 4; right: 17px; bottom: 17px; display: flex; align-items: center; gap: 6px; }
.gallery-dots button, .lightbox-dots button { width: 17px; height: 2px; padding: 0; border: 0; background: rgba(255,255,255,.38); cursor: pointer; transition: width .2s ease, background .2s ease; }
.gallery-dots button.is-active, .lightbox-dots button.is-active { width: 27px; background: var(--teal); }
.section-action { margin-top: 42px; display: flex; justify-content: flex-end; }

/* Dark capability */
.capability-section { position: relative; overflow: hidden; padding: 128px 0; background: #06131b; }
.capability-grid { position: absolute; inset: 0; opacity: .08; background-image: linear-gradient(rgba(39,211,177,.4) 1px, transparent 1px), linear-gradient(90deg, rgba(39,211,177,.35) 1px, transparent 1px); background-size: 88px 88px; mask-image: radial-gradient(circle at 80% 50%, #000, transparent 63%); }
.capability-layout { position: relative; display: grid; grid-template-columns: .9fr 1.1fr; gap: 108px; align-items: center; }
.capability-copy > p:not(.section-kicker) { max-width: 540px; margin: 28px 0; color: #97acb3; font-size: 17px; line-height: 1.7; }
.equipment-panel { border: 1px solid rgba(123,174,177,.22); background: rgba(10,37,48,.58); backdrop-filter: blur(12px); }
.equipment-title { padding: 28px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid rgba(123,174,177,.22); }
.equipment-title span { color: var(--teal); font-size: 10px; text-transform: uppercase; letter-spacing: .15em; }
.equipment-title strong { font-size: 14px; font-weight: 600; }
.equipment-panel ul { margin: 0; padding: 0; list-style: none; }
.equipment-panel li { min-height: 92px; padding: 20px 30px; display: grid; grid-template-columns: 38px 1fr auto; gap: 18px; align-items: center; border-bottom: 1px solid rgba(123,174,177,.16); }
.equipment-panel li:last-child { border-bottom: 0; }
.equipment-panel li > span { color: var(--teal); font-size: 11px; }
.equipment-panel li strong { font-size: 17px; font-weight: 620; }
.equipment-panel li small { color: #78949c; font-size: 12px; text-align: right; }

/* Process and CTA */
.process-section { padding: 118px 0 128px; background: var(--white); color: var(--ink); }
.process-list { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; border-top: 1px solid #aebdb9; }
.process-list li { min-height: 280px; padding: 28px 25px 15px; border-right: 1px solid var(--line); }
.process-list li:first-child { padding-left: 0; }
.process-list li:last-child { border-right: 0; }
.process-list span { color: var(--teal-dark); font-size: 12px; font-weight: 800; }
.process-list h3 { margin: 62px 0 16px; font-size: 22px; }
.process-list p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.cta-section { position: relative; overflow: hidden; padding: 118px 0; background: #071820; }
.cta-section.compact { padding: 98px 0; }
.contact-glow { position: absolute; width: 620px; height: 620px; left: -220px; bottom: -370px; border-radius: 50%; background: rgba(40,213,180,.14); filter: blur(110px); }
.cta-layout { position: relative; display: grid; grid-template-columns: 1fr .75fr; gap: 100px; align-items: end; }
.cta-layout > div:last-child > p { margin: 0 0 28px; color: #91a7ad; font-size: 16px; line-height: 1.7; }

/* Inner page heroes */
.inner-hero { position: relative; overflow: hidden; min-height: 520px; display: flex; align-items: center; background: linear-gradient(115deg, #06131b 20%, #0b3444 100%); isolation: isolate; }
.inner-hero::after { content: ""; position: absolute; inset: 0; z-index: -3; opacity: .13; background-image: url("/static/web/hero-industrial-ecoserin.webp"); background-size: cover; background-position: 72% center; mix-blend-mode: luminosity; }
.inner-hero-content { padding: 75px 0; }
.inner-hero h1 { max-width: 850px; margin: 0; font-size: clamp(52px, 6vw, 78px); line-height: 1; letter-spacing: -.055em; font-weight: 680; text-wrap: balance; }
.inner-hero-content > p:not(.eyebrow) { max-width: 710px; margin: 28px 0 0; color: #a8bbbf; font-size: 17px; line-height: 1.7; }
.inner-hero .button { margin-top: 32px; }

/* Services catalog */
.services-catalog { padding: 90px 0 120px; background: var(--paper); color: var(--ink); }
.catalog-list { display: grid; border-top: 1px solid #b9c7c3; }
.catalog-card { min-width: 0; padding: 48px 0; display: grid; grid-template-columns: .72fr 1.28fr; gap: 65px; align-items: stretch; border-bottom: 1px solid #b9c7c3; }
.catalog-card:nth-child(even) { grid-template-columns: 1.28fr .72fr; }
.catalog-card:nth-child(even) .catalog-copy { order: 2; }
.catalog-card:nth-child(even) .catalog-gallery { order: 1; }
.catalog-copy { padding: 15px 0; display: flex; flex-direction: column; align-items: flex-start; }
.catalog-number { color: var(--teal-dark); font-size: 12px; font-weight: 800; }
.catalog-copy h2 { margin: 38px 0 19px; font-size: clamp(30px, 3vw, 44px); line-height: 1.06; letter-spacing: -.04em; }
.catalog-copy > p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.catalog-copy .service-detail { width: 100%; margin: 30px 0 26px; }
.catalog-copy .text-link { margin-top: auto; }
.catalog-gallery { height: 470px; margin: 0; }
.video-band { padding: 105px 0; background: #0a202a; }
.video-heading { margin-bottom: 52px; display: grid; grid-template-columns: 1fr .72fr; gap: 80px; align-items: end; }
.video-heading h2 { margin: 0; font-size: clamp(40px, 4vw, 60px); line-height: 1.04; letter-spacing: -.045em; }
.video-heading > p { margin: 0; color: #91a7ad; font-size: 16px; line-height: 1.7; }
.video-gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.video-card { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.14); background: #06131b; box-shadow: 0 26px 70px rgba(0,0,0,.22); }
.video-card video { width: 100%; height: 540px; display: block; object-fit: contain; background: #02080b; }
.video-card figcaption { min-height: 78px; padding: 20px 22px; display: flex; align-items: center; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); }
.video-card figcaption span { color: var(--teal); font-size: 11px; font-weight: 800; }
.video-card figcaption strong { font-size: 14px; font-weight: 620; }

/* About */
.story-section { padding: 118px 0; background: var(--white); color: var(--ink); }
.story-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 110px; align-items: start; }
.story-copy { padding-top: 42px; }
.story-copy p { margin: 0 0 24px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.purpose-section { background: #06131b; }
.purpose-grid { display: grid; grid-template-columns: 1fr 1fr; }
.purpose-grid article { min-height: 510px; padding: 65px 58px; display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.12); }
.purpose-grid article:last-child { border-right: 0; background: linear-gradient(140deg, rgba(40,213,180,.1), transparent 52%); }
.purpose-grid article > span { margin-bottom: auto; color: var(--teal); font-size: 12px; }
.purpose-grid h2 { margin: 0 0 24px; max-width: 470px; font-size: clamp(36px, 4vw, 54px); line-height: 1.05; letter-spacing: -.045em; }
.purpose-grid article > p:last-child { margin: 0; color: #91a7ad; font-size: 16px; line-height: 1.7; }
.values-section { padding: 118px 0 128px; background: var(--paper); color: var(--ink); }
.values-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid #b8c6c2; border-left: 1px solid #b8c6c2; }
.values-grid article { min-height: 280px; padding: 26px 23px; border-right: 1px solid #b8c6c2; border-bottom: 1px solid #b8c6c2; }
.values-grid span { color: var(--teal-dark); font-size: 11px; font-weight: 800; }
.values-grid h3 { margin: 66px 0 16px; font-size: 20px; }
.values-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }
.timeline-section { padding: 120px 0; background: #0a202a; }
.timeline-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 100px; align-items: start; }
.timeline-layout > div > p:last-child { color: #91a7ad; line-height: 1.7; }
.company-timeline { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.15); }
.company-timeline li { min-height: 145px; padding: 25px 0; display: grid; grid-template-columns: 115px 1fr; gap: 32px; border-bottom: 1px solid rgba(255,255,255,.13); }
.company-timeline > li > span { color: var(--teal); font-size: 13px; font-weight: 800; }
.company-timeline h3 { margin: 0 0 12px; font-size: 22px; }
.company-timeline p { margin: 0; color: #8fa5ab; font-size: 14px; line-height: 1.65; }

/* Contact */
.contact-page-section { position: relative; overflow: hidden; min-height: calc(100svh - var(--header-height)); padding: 110px 0 125px; background: #06131b; isolation: isolate; }
.contact-grid-bg { opacity: .08; mask-image: radial-gradient(circle at 65% 45%, #000, transparent 74%); }
.contact-layout { position: relative; display: grid; grid-template-columns: .82fr 1.18fr; gap: 95px; align-items: start; }
.contact-copy h1 { margin: 0; font-size: clamp(48px, 5.4vw, 76px); line-height: .99; letter-spacing: -.055em; font-weight: 680; }
.contact-copy > p:not(.section-kicker) { max-width: 540px; margin: 29px 0 0; color: #92a8ae; font-size: 17px; line-height: 1.72; }
.contact-details { margin-top: 50px; display: grid; border-top: 1px solid rgba(255,255,255,.15); }
.contact-details a, .contact-details > div { padding: 18px 0; display: grid; grid-template-columns: 100px 1fr; border-bottom: 1px solid rgba(255,255,255,.12); }
.contact-details a:hover strong { color: var(--teal); }
.contact-details span { color: #6f8c94; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.contact-details strong { font-size: 14px; font-weight: 550; transition: color .2s ease; }
.contact-form { padding: 38px; border: 1px solid rgba(255,255,255,.14); background: rgba(12,39,50,.76); box-shadow: 0 28px 80px rgba(0,0,0,.2); }
.form-heading { margin-bottom: 28px; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.form-heading span { color: var(--teal); font-size: 10px; text-transform: uppercase; letter-spacing: .14em; }
.form-heading strong { font-size: 15px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { margin-bottom: 19px; display: grid; gap: 9px; color: #cedbdd; font-size: 12px; font-weight: 650; }
.contact-form input, .contact-form textarea { width: 100%; padding: 15px 16px; border: 1px solid rgba(255,255,255,.2); border-radius: 0; outline: 0; background: #081c25; color: #fff; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form textarea { min-height: 132px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(40,213,180,.09); }
.contact-form input::placeholder, .contact-form textarea::placeholder { color: #617a82; }
.form-submit { width: 100%; }
.contact-form > small { margin-top: 13px; display: block; color: #708b93; font-size: 10px; line-height: 1.5; }

/* Corporate info */
.company-section { padding: 100px 0 125px; background: var(--paper); color: var(--ink); }
.company-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #b8c6c2; border-left: 1px solid #b8c6c2; }
.company-grid article { min-height: 170px; padding: 32px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid #b8c6c2; border-bottom: 1px solid #b8c6c2; }
.company-grid span { color: var(--teal-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.company-grid strong, .company-grid a { max-width: 470px; font-size: 18px; line-height: 1.45; }
.company-grid a:hover { color: var(--teal-dark); }

/* Footer, floating controls and alerts */
.site-footer { background: #030c11; color: #fff; }
.footer-top { min-height: 180px; display: grid; grid-template-columns: 1fr 1fr auto; gap: 50px; align-items: center; border-bottom: 1px solid rgba(255,255,255,.11); }
.footer-brand .brand-logo { width: 60px; height: 60px; }
.footer-top > p { margin: 0; color: #71878e; font-size: 13px; line-height: 1.6; }
.footer-top nav { display: flex; gap: 30px; color: #a4b5ba; font-size: 13px; }
.footer-top nav a:hover { color: var(--teal); }
.footer-bottom { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 30px; color: #577078; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.whatsapp-button { position: fixed; right: 23px; bottom: 23px; z-index: 80; min-height: 52px; padding: 7px 17px 7px 7px; display: flex; align-items: center; gap: 10px; border: 1px solid rgba(255,255,255,.4); border-radius: 30px; background: #20cf70; color: #032513; box-shadow: 0 10px 38px rgba(0,0,0,.3); font-size: 12px; font-weight: 800; transition: transform .2s ease, background .2s ease; }
.whatsapp-button:hover, .whatsapp-button:focus-visible { transform: translateY(-3px); background: #3be186; }
.whatsapp-button img { width: 36px; height: 36px; display: block; border-radius: 50%; object-fit: contain; }
.flash-stack { position: fixed; z-index: 600; top: 100px; right: 24px; width: min(420px, calc(100vw - 48px)); display: grid; gap: 10px; }
.flash-message { padding: 15px 17px; display: flex; justify-content: space-between; gap: 20px; align-items: start; border: 1px solid rgba(40,213,180,.45); background: #0b2833; color: #eef7f7; box-shadow: 0 18px 60px rgba(0,0,0,.35); font-size: 13px; line-height: 1.5; }
.flash-error, .flash-danger { border-color: rgba(255,100,100,.6); }
.flash-message button { padding: 0; border: 0; background: transparent; color: #fff; font-size: 20px; cursor: pointer; }

/* Lightbox */
.gallery-lightbox[hidden] { display: none; }
.gallery-lightbox { position: fixed; inset: 0; z-index: 1000; padding: 32px; display: grid; place-items: center; color: #fff; }
.lightbox-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: rgba(1,8,12,.93); cursor: zoom-out; backdrop-filter: blur(14px); }
.lightbox-content { position: relative; width: min(1120px, 100%); height: min(820px, calc(100svh - 64px)); display: grid; grid-template-rows: auto minmax(0, 1fr) auto; border: 1px solid rgba(109,190,181,.27); background: #06131b; box-shadow: 0 34px 120px rgba(0,0,0,.65); }
.lightbox-content header { min-height: 78px; padding: 17px 20px 17px 26px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid rgba(255,255,255,.12); }
.lightbox-content header > div { display: grid; gap: 4px; }
.lightbox-content header span { color: var(--teal); font-size: 9px; text-transform: uppercase; letter-spacing: .15em; }
.lightbox-content header strong { font-size: 16px; font-weight: 620; }
.lightbox-content header > button { width: 42px; height: 42px; padding: 0; border: 1px solid rgba(255,255,255,.22); background: transparent; color: #fff; font-size: 27px; line-height: 1; cursor: pointer; }
.lightbox-content header > button:hover { border-color: var(--teal); color: var(--teal); }
.lightbox-content figure { min-height: 0; margin: 0; padding: 22px 86px 18px; display: grid; grid-template-rows: minmax(0, 1fr) auto; gap: 15px; }
.lightbox-content figure img { width: 100%; height: 100%; min-height: 0; display: block; object-fit: contain; }
.lightbox-content figcaption { display: flex; justify-content: space-between; gap: 25px; color: #95aab0; font-size: 12px; line-height: 1.4; }
.lightbox-content figcaption strong { flex: 0 0 auto; color: var(--teal); }
.lightbox-arrow { position: absolute; z-index: 2; top: 50%; width: 50px; height: 58px; border: 1px solid rgba(255,255,255,.2); background: rgba(8,30,39,.78); color: #fff; font-size: 21px; cursor: pointer; transform: translateY(-50%); }
.lightbox-arrow:hover, .lightbox-arrow:focus-visible { border-color: var(--teal); background: var(--teal); color: var(--ink); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-dots { min-height: 54px; padding: 0 24px; display: flex; align-items: center; justify-content: center; gap: 8px; border-top: 1px solid rgba(255,255,255,.1); }

@keyframes client-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes content-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes hero-zoom { from { transform: scale(1.045); } to { transform: scale(1.01); } }

@media (max-width: 1180px) {
  :root { --shell: min(100% - 64px, 1120px); }
  .desktop-nav { gap: 20px; }
  .login-button { padding-inline: 14px; }
  .brand-copy { display: none; }
  .hero-copy { width: min(700px, 68vw); }
  .capability-layout, .contact-layout { gap: 62px; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 960px) {
  :root { --shell: min(100% - 48px, 900px); --header-height: 92px; }
  .desktop-nav, .site-header .login-button, .site-header .session-actions { display: none; }
  .mobile-menu { display: block; }
  .brand-copy { display: grid; }
  .hero { min-height: 820px; height: auto; }
  .hero-photo { background-image: linear-gradient(90deg, rgba(4,18,27,.98) 0%, rgba(4,18,27,.88) 52%, rgba(4,18,27,.35) 100%), linear-gradient(180deg, rgba(4,18,27,.25), rgba(4,18,27,.86)), url("/static/web/hero-industrial-ecoserin.webp"); background-position: center, center, 63% center; }
  .hero-content { min-height: 820px; height: auto; padding: 150px 0 70px; }
  .hero-copy { width: 85%; }
  .client-strip-heading, .section-heading, .capability-layout, .cta-layout, .story-layout, .timeline-layout, .contact-layout, .video-heading { grid-template-columns: 1fr; }
  .client-strip-heading, .section-heading { gap: 24px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .capability-layout, .cta-layout, .story-layout, .timeline-layout, .contact-layout, .video-heading { gap: 60px; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .catalog-card, .catalog-card:nth-child(even) { grid-template-columns: 1fr; gap: 32px; }
  .catalog-card:nth-child(even) .catalog-copy, .catalog-card:nth-child(even) .catalog-gallery { order: initial; }
  .catalog-copy { min-height: 340px; }
  .catalog-gallery { height: min(58vw, 500px); }
  .purpose-grid { grid-template-columns: 1fr; }
  .purpose-grid article { min-height: 440px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; padding: 46px 0; }
  .footer-top nav { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  :root { --shell: calc(100% - 36px); --header-height: 86px; }
  .site-header, .page-home .site-header.is-scrolled { height: var(--header-height); }
  .brand-logo { width: 52px; height: 52px; }
  .brand-copy strong { font-size: 17px; }
  .brand-copy small { font-size: 7px; }
  .hero { min-height: 790px; }
  .hero-content { min-height: 790px; padding: 125px 0 65px; align-items: flex-start; }
  .hero-copy { width: 100%; }
  .eyebrow { max-width: 290px; margin-bottom: 17px; font-size: 10px; }
  .hero h1 { font-size: clamp(43px, 12vw, 58px); }
  .hero-intro { max-width: 94%; font-size: 16px; }
  .hero-actions { display: grid; }
  .button { width: 100%; min-height: 56px; }
  .hero-trust { margin-top: 31px; padding-top: 21px; grid-template-columns: 1fr; gap: 12px; }
  .hero-trust li, .hero-trust li:nth-child(2), .hero-trust li:last-child { padding: 0; border-right: 0; }
  .trust-icon { width: 28px; height: 28px; }
  .hero-rail, .scroll-cue { display: none; }
  .client-strip { padding-top: 55px; }
  .client-strip-heading { padding-bottom: 36px; }
  .client-strip h2 { font-size: 25px; }
  .client-marquee::before, .client-marquee::after { width: 34px; }
  .client-track { animation-duration: 23s; }
  .client-item { flex-basis: 285px; min-height: 132px; padding: 20px; grid-template-columns: 105px 1fr; gap: 15px; }
  .services-section, .story-section, .values-section, .process-section { padding: 78px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2, .capability-copy h2, .cta-layout h2, .story-layout h2, .timeline-layout h2 { font-size: clamp(36px, 10vw, 48px); }
  .services-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 570px; }
  .service-gallery { height: 255px; }
  .section-action { justify-content: flex-start; }
  .capability-section, .timeline-section, .cta-section { padding: 80px 0; }
  .equipment-title { align-items: flex-start; flex-direction: column; }
  .equipment-panel li { min-height: 110px; padding: 18px 20px; grid-template-columns: 28px 1fr; }
  .equipment-panel li small { grid-column: 2; text-align: left; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li:first-child { min-height: 220px; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-list h3 { margin-top: 42px; }
  .inner-hero { min-height: 455px; }
  .inner-hero-content { padding: 62px 0; }
  .inner-hero h1 { font-size: clamp(43px, 12vw, 58px); }
  .inner-hero-content > p:not(.eyebrow) { font-size: 15px; }
  .services-catalog { padding: 55px 0 80px; }
  .catalog-card { padding: 35px 0 50px; }
  .catalog-copy { min-height: 365px; }
  .catalog-copy h2 { margin-top: 30px; }
  .catalog-gallery { height: 330px; }
  .video-band { padding: 75px 0; }
  .video-heading { margin-bottom: 38px; gap: 22px; }
  .video-gallery-grid { grid-template-columns: 1fr; }
  .video-card video { height: min(125vw, 540px); }
  .purpose-grid { width: 100%; }
  .purpose-grid article { min-height: 430px; padding: 45px 28px; }
  .values-grid { grid-template-columns: 1fr; }
  .values-grid article { min-height: 230px; }
  .values-grid h3 { margin-top: 45px; }
  .company-timeline li { grid-template-columns: 80px 1fr; gap: 18px; }
  .contact-page-section { padding: 75px 0 90px; }
  .contact-copy h1 { font-size: clamp(43px, 12vw, 58px); }
  .contact-form { padding: 25px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-heading { align-items: flex-start; flex-direction: column; gap: 8px; }
  .company-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 26px; }
  .footer-top nav { grid-column: auto; flex-wrap: wrap; }
  .footer-bottom { min-height: 90px; align-items: flex-start; justify-content: center; flex-direction: column; gap: 8px; }
  .whatsapp-button { right: 14px; bottom: 14px; width: 54px; height: 54px; min-height: 54px; padding: 8px; justify-content: center; }
  .whatsapp-button span { display: none; }
  .whatsapp-button img { width: 38px; height: 38px; }
  .gallery-lightbox { padding: 0; }
  .lightbox-content { width: 100%; height: 100svh; border: 0; }
  .lightbox-content header { min-height: 72px; padding: 14px 15px; }
  .lightbox-content header strong { font-size: 13px; }
  .lightbox-content figure { padding: 16px 16px 85px; }
  .lightbox-content figcaption { flex-direction: column; gap: 5px; }
  .lightbox-arrow { top: auto; bottom: 63px; transform: none; }
  .lightbox-prev { left: 16px; }
  .lightbox-next { right: 16px; }
  .lightbox-dots { min-height: 58px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .client-track { animation: none; }
}