:root {
  --ink: #101815;
  --muted: #5b6661;
  --paper: #f4f6f2;
  --white: #ffffff;
  --green: #1f5a48;
  --green-deep: #15362f;
  --lime: #b7d639;
  --amber: #e3a42f;
  --line: #d8ddd7;
  --radius: 6px;
  --max: 1240px;
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; width: 100%; }
svg { display: block; }

.site-header {
  position: fixed; z-index: 50; top: 0; left: 0; right: 0; height: 78px;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  padding: 0 max(24px, calc((100vw - var(--max)) / 2)); color: var(--ink);
  background: rgba(244,246,242,.97); border-bottom: 1px solid rgba(16,24,21,.14); transition: background .25s, height .25s;
}
.site-header.scrolled { height: 68px; background: rgba(244,246,242,.99); box-shadow: 0 6px 24px rgba(0,0,0,.12); }
.brand { display: inline-flex; align-items: center; min-width: 220px; }
.brand-logo { position: relative; width: 220px; height: 68px; display: block; overflow: hidden; background: var(--paper); }
.brand-logo img { position: absolute; width: 128%; max-width: none; height: 128%; left: -14%; top: -14%; object-fit: cover; object-position: center; }
.site-header.scrolled .brand-logo { height: 58px; }
.nav { display: flex; align-items: center; gap: 26px; font-size: 13px; font-weight: 600; }
.nav a { position: relative; white-space: nowrap; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--lime); transition: right .2s; }
.nav a:hover::after { right: 0; }
.nav a:focus-visible, .header-cta:focus-visible, .button:focus-visible, .lang-button:focus-visible, .menu-button:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.language-switch { display: flex; align-items: center; border: 1px solid rgba(16,24,21,.25); }
.lang-button { border: 0; color: inherit; background: transparent; width: 36px; height: 32px; font-size: 11px; }
.lang-button.active { color: var(--white); background: var(--green-deep); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 11px 14px; background: var(--green); color: var(--white); font-size: 12px; font-weight: 700; }
.header-cta svg { width: 16px; }
.menu-button { display: none; width: 42px; height: 42px; border: 0; color: var(--ink); background: transparent; }

.hero { min-height: 760px; height: 100vh; max-height: 920px; position: relative; color: var(--white); overflow: hidden; }
.hero > img { position: absolute; inset: 0; height: 100%; object-fit: cover; object-position: center; }
.hero-shade { position: absolute; inset: 0; background: rgba(8,22,18,.46); }
.hero-content { position: relative; z-index: 2; max-width: var(--max); height: 100%; margin: 0 auto; padding: 160px 24px 118px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.eyebrow { margin: 0 0 22px; color: var(--lime); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; }
.eyebrow.dark { color: var(--green); }
.hero h1 { max-width: 780px; margin: 0; font-size: clamp(52px, 6.2vw, 92px); line-height: 1.07; letter-spacing: 0; }
.hero-copy { max-width: 650px; margin: 28px 0 0; color: rgba(255,255,255,.88); font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; gap: 12px; margin-top: 36px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 0 20px; border: 1px solid transparent; border-radius: 2px; font-weight: 700; font-size: 13px; transition: transform .2s, box-shadow .2s, background .2s; }
.button svg { width: 17px; }
.button.primary { background: var(--lime); color: var(--green-deep); box-shadow: 0 10px 28px rgba(5,20,15,.18); }
.button.ghost { border-color: rgba(255,255,255,.48); color: var(--white); background: rgba(0,0,0,.08); }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(5,20,15,.22); }
.hero-foot { position: absolute; z-index: 2; left: max(24px, calc((100vw - var(--max)) / 2 + 24px)); right: max(24px, calc((100vw - var(--max)) / 2 + 24px)); bottom: 28px; display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: rgba(255,255,255,.78); }
.hero-foot span { display: flex; align-items: center; gap: 8px; }
.hero-foot svg { width: 15px; }
.concept-note { font-size: 10px; opacity: .72; }

.service-band, .about-band, .equipment-band, .work-band { padding: 112px max(24px, calc((100vw - var(--max)) / 2)); }
.section-heading { display: grid; grid-template-columns: .75fr 1.3fr; gap: 40px; align-items: start; margin-bottom: 56px; }
.section-heading .eyebrow { grid-column: 1; }
.section-heading h2 { grid-column: 2; margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.14; letter-spacing: 0; max-width: 810px; }
.section-heading > p:not(.eyebrow) { grid-column: 2; margin: -28px 0 0; color: var(--muted); max-width: 720px; line-height: 1.8; }
.section-heading.compact { margin-bottom: 42px; }
.service-band { background: var(--white); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 310px; position: relative; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .2s, color .2s, transform .2s; }
.service-card > svg { width: 30px; height: 30px; color: var(--green); }
.service-card .service-number { position: absolute; top: 30px; right: 28px; color: #9ca59f; font-size: 11px; }
.service-card h3 { margin: 56px 0 14px; font-size: 20px; }
.service-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.service-card a { position: absolute; left: 30px; bottom: 28px; display: inline-flex; align-items: center; gap: 10px; font-size: 12px; font-weight: 700; }
.service-card a svg { width: 15px; }
.service-card:hover { z-index: 1; background: var(--green-deep); color: var(--white); transform: translateY(-3px); }
.service-card:hover p, .service-card:hover .service-number { color: rgba(255,255,255,.68); }
.service-card:hover > svg { color: var(--lime); }

.about-band { background: var(--paper); }
.about-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; }
.about-copy .lead { margin: 0 0 18px; font-size: 22px; font-weight: 600; line-height: 1.5; }
.about-copy > p:not(.lead), .about-narrative { color: var(--muted); line-height: 1.9; }
.about-narrative p { margin: 0 0 14px; }
.about-narrative p:last-child { margin-bottom: 0; }
.value-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 42px; }
.value-list > div { border-top: 2px solid var(--green); padding-top: 18px; }
.value-list svg { width: 22px; color: var(--green); margin-bottom: 22px; }
.value-list span { display: flex; flex-direction: column; gap: 8px; }
.value-list strong { font-size: 14px; }
.value-list small { color: var(--muted); line-height: 1.6; }
.statement-block { border-left: 1px solid var(--line); }
.brand-photo { margin: 0 0 36px 34px; }
.brand-photo img { aspect-ratio: 1.96 / 1; object-fit: cover; object-position: center; border-radius: 2px; background: var(--paper); }
.brand-photo figcaption { display: flex; flex-direction: column; gap: 6px; padding-top: 14px; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
.brand-photo figcaption strong { font-size: 14px; }
.brand-photo figcaption span { color: var(--muted); font-size: 12px; }
.statement-block > div { display: grid; grid-template-columns: 85px 1fr; gap: 24px; padding: 12px 0 34px 34px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.statement-block span { color: var(--green); font-size: 12px; font-weight: 700; }
.statement-block p { margin: 0; font-size: 18px; line-height: 1.7; }

.processing-band { display: grid; grid-template-columns: 1.12fr .88fr; min-height: 700px; background: var(--green-deep); color: var(--white); }
.processing-visual { min-height: 700px; position: relative; overflow: hidden; }
.processing-visual img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.processing-visual span { position: absolute; left: 24px; bottom: 20px; padding: 6px 8px; background: rgba(10,20,18,.7); color: rgba(255,255,255,.65); font-size: 9px; }
.processing-content { padding: 92px max(36px, calc((100vw - var(--max)) / 2)); padding-left: 72px; display: flex; flex-direction: column; justify-content: center; }
.processing-content h2, .digital-copy h2, .energy-content h2, .contact-intro h2 { margin: 0; font-size: clamp(38px, 4.5vw, 62px); line-height: 1.12; letter-spacing: 0; }
.processing-content > p:not(.eyebrow) { color: rgba(255,255,255,.72); line-height: 1.8; }
.mineral-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 28px 0; }
.mineral-tab { min-height: 36px; padding: 0 13px; border: 1px solid rgba(255,255,255,.25); border-radius: 2px; color: rgba(255,255,255,.72); background: transparent; font-size: 12px; }
.mineral-tab.active { background: var(--lime); color: var(--green-deep); border-color: var(--lime); }
.mineral-detail { border-top: 1px solid rgba(255,255,255,.25); padding-top: 24px; }
.mineral-detail > div { display: flex; justify-content: space-between; gap: 20px; }
.mineral-detail span { color: var(--lime); font-size: 11px; }
.mineral-detail strong { font-size: 16px; text-align: right; }
.mineral-detail p { color: rgba(255,255,255,.68); font-size: 13px; line-height: 1.75; }

.equipment-band { background: var(--white); }
.equipment-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.equipment-list article { min-height: 140px; display: grid; grid-template-columns: 32px 44px 1fr; gap: 18px; align-items: start; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.equipment-list article > span { color: #9ca59f; font-size: 10px; }
.equipment-list svg { width: 28px; color: var(--green); }
.equipment-list h3 { margin: 0 0 9px; font-size: 16px; }
.equipment-list p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.5; }
.process-line { margin-top: 54px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-line > div { display: flex; align-items: center; gap: 14px; }
.process-line span { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line); color: var(--green); font-size: 10px; }
.process-line strong { font-size: 12px; white-space: nowrap; }
.process-line > svg { width: 16px; color: #9ca59f; }

.digital-band { padding: 110px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .75fr 1.25fr; gap: 68px; align-items: center; background: #111917; color: var(--white); }
.digital-copy > p:not(.eyebrow):not(.disclaimer) { color: rgba(255,255,255,.68); line-height: 1.8; }
.module-chips { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 32px; }
.module-chips span { display: flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 12px; border: 1px solid rgba(255,255,255,.14); font-size: 11px; }
.module-chips svg { width: 17px; color: var(--lime); }
.disclaimer { margin-top: 28px; color: rgba(255,255,255,.45); font-size: 10px; line-height: 1.7; }
.dashboard-shell { position: relative; min-width: 0; padding: 18px; border: 1px solid #36413d; background: #18211f; box-shadow: 0 28px 60px rgba(0,0,0,.3); }
.dashboard-top { display: flex; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid #303b37; font-size: 10px; color: #95a49e; }
.dashboard-top span { display: flex; align-items: center; gap: 7px; color: var(--lime); }
.dashboard-top svg { width: 13px; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 14px 0; }
.metric-grid > div { min-width: 0; padding: 14px; background: #202b28; }
.metric-grid span { color: #91a099; font-size: 9px; }
.metric-grid strong { display: block; margin-top: 10px; font-size: 21px; white-space: nowrap; }
.metric-grid small { display: block; margin-top: 5px; font-size: 9px; }
.positive { color: #9ecb62; }
.chart-area { padding: 14px; background: #202b28; }
.chart-head { display: flex; justify-content: space-between; font-size: 10px; color: #aeb9b4; }
.chart-head small { color: #65746e; }
.chart-area svg { width: 100%; height: 190px; margin-top: 8px; overflow: visible; }
.grid-lines line { stroke: #35423d; stroke-width: 1; }
.chart-line { fill: none; stroke: #b7d639; stroke-width: 3; }
.chart-fill { fill: rgba(183,214,57,.1); }
.equipment-status { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.equipment-status span { min-width: 0; display: grid; grid-template-columns: 8px 1fr; align-items: center; gap: 7px; padding: 10px; background: #202b28; }
.equipment-status i { width: 7px; height: 7px; border-radius: 50%; background: #7fbd58; }
.equipment-status b { font-size: 9px; }
.equipment-status small { grid-column: 2; color: #72817b; font-size: 7px; }
.equipment-status .warning i { background: var(--amber); }
.dashboard-concept { display: block; margin-top: 10px; color: #65746e; font-size: 8px; text-align: right; }

.energy-band { position: relative; min-height: 700px; display: flex; align-items: center; color: var(--white); overflow: hidden; }
.energy-band > img { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.energy-overlay { position: absolute; inset: 0; background: rgba(11,30,25,.58); }
.energy-content { position: relative; z-index: 2; width: min(620px, calc(100% - 48px)); margin-left: max(24px, calc((100vw - var(--max)) / 2)); }
.energy-content > p:not(.eyebrow):not(.concept-note) { max-width: 580px; color: rgba(255,255,255,.8); line-height: 1.8; }
.energy-points { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.energy-points span { display: inline-flex; align-items: center; gap: 9px; min-height: 42px; padding: 0 13px; border: 1px solid rgba(255,255,255,.35); font-size: 11px; }
.energy-points svg { width: 17px; color: var(--lime); }
.energy-content .concept-note { margin-top: 30px; color: rgba(255,255,255,.55); }

.work-band { background: var(--paper); }
.work-steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.work-steps li { position: relative; min-height: 200px; padding: 24px 22px; border-right: 1px solid var(--line); }
.work-steps li:first-child { border-left: 1px solid var(--line); }
.work-steps span { color: var(--green); font-size: 11px; }
.work-steps h3 { margin: 60px 0 10px; font-size: 15px; }
.work-steps p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.6; }

.contact-band { padding: 112px max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; background: var(--green-deep); color: var(--white); }
.contact-intro > p:not(.eyebrow) { color: rgba(255,255,255,.68); line-height: 1.8; }
.contact-details { margin-top: 44px; display: grid; gap: 20px; }
.contact-details > * { display: flex; gap: 14px; align-items: flex-start; }
.contact-details svg { width: 19px; color: var(--lime); margin-top: 3px; }
.contact-details span { display: flex; flex-direction: column; gap: 6px; }
.contact-details small { color: rgba(255,255,255,.48); font-size: 9px; }
.contact-details b { font-size: 12px; line-height: 1.65; }
.contact-form { min-width: 0; padding: 38px; background: var(--white); color: var(--ink); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label:not(.consent):not(.file-field) { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 10px; font-weight: 600; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 2px; color: var(--ink); background: #fbfcfa; outline: 0; }
.contact-form textarea { min-height: 110px; resize: vertical; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--green); box-shadow: 0 0 0 2px rgba(31,90,72,.12); }
.contact-form .invalid { border-color: #bc3f3f; }
.file-field { min-height: 72px; display: grid; grid-template-columns: 24px 1fr; gap: 5px 12px; align-items: center; margin: 2px 0 17px; padding: 12px 14px; border: 1px dashed #aeb8b2; color: var(--green); cursor: pointer; }
.file-field input { display: none; }
.file-field svg { width: 20px; grid-row: 1 / 3; }
.file-field span { font-size: 11px; font-weight: 700; }
.file-field small { color: #8a958f; font-size: 8px; }
.consent { display: flex; gap: 9px; align-items: flex-start; color: var(--muted); font-size: 9px; line-height: 1.6; }
.consent input { width: 14px; min-height: 14px; margin-top: 1px; }
.form-submit { width: 100%; margin-top: 20px; border: 0; background: var(--green); color: var(--white); }
.form-status { min-height: 18px; margin: 10px 0 0; color: var(--green); font-size: 10px; text-align: center; }

footer { padding: 54px max(24px, calc((100vw - var(--max)) / 2)) 24px; color: var(--white); background: #0c1311; }
.footer-main { display: grid; grid-template-columns: 1fr 44px; gap: 40px; align-items: center; padding-bottom: 44px; }
.footer-main p { margin: 0; color: rgba(255,255,255,.55); font-size: 12px; line-height: 1.7; }
.footer-top { width: 44px; height: 44px; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.22); color: var(--white); background: transparent; transition: border-color .2s, color .2s, background .2s; }
.footer-top:hover { border-color: var(--lime); color: var(--lime); background: rgba(255,255,255,.04); }
.footer-top:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.footer-top svg { width: 17px; }
.footer-brand .brand-logo { width: 220px; height: 68px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.36); font-size: 9px; }

@media (max-width: 1080px) {
  .nav { gap: 14px; }
  .nav a { font-size: 11px; }
  .header-cta { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout { gap: 48px; }
  .processing-band { grid-template-columns: 1fr; }
  .processing-visual { min-height: 480px; }
  .processing-content { padding: 72px 32px; }
  .digital-band { grid-template-columns: 1fr; }
  .digital-copy { max-width: 720px; }
  .contact-band { gap: 48px; }
}

@media (max-width: 780px) {
  .site-header { height: 68px; padding: 0 18px; }
  .brand { min-width: 0; }
  .brand-logo, .site-header.scrolled .brand-logo { width: 156px; height: 58px; }
  .menu-button { display: grid; place-items: center; }
  .nav { position: fixed; inset: 68px 0 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 24px; background: var(--green-deep); transform: translateX(100%); transition: transform .25s; }
  .nav.open { transform: translateX(0); }
  .nav a { display: flex; align-items: center; min-height: 70px; padding: 18px 4px; border-bottom: 1px solid rgba(255,255,255,.24); color: #f5f8f4; font-size: 18px; font-weight: 700; }
  .nav a:hover, .nav a:focus-visible { color: var(--lime); }
  .nav a::after { display: none; }
  .hero { min-height: 0; height: auto; max-height: none; }
  .hero > img { object-position: 63% center; }
  .hero-content { height: auto; min-height: max(780px, 100svh); padding: 118px 20px 116px; justify-content: flex-start; }
  .hero-content .eyebrow { margin-bottom: 18px; }
  .hero h1 { font-size: 48px; }
  .hero-copy { font-size: 14px; line-height: 1.75; }
  .hero-actions { width: 100%; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-foot { left: 20px; right: 20px; bottom: 20px; }
  .service-band, .about-band, .equipment-band, .work-band { padding: 76px 20px; }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading h2 { font-size: 38px; }
  .section-heading > p:not(.eyebrow) { margin: 18px 0 0; }
  .service-grid, .equipment-list { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }
  .about-layout { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }
  .value-list > div { display: grid; grid-template-columns: 34px 1fr; }
  .value-list svg { margin-bottom: 0; }
  .statement-block { border-left: 0; }
  .brand-photo { margin-left: 0; }
  .statement-block > div { grid-template-columns: 60px 1fr; padding-left: 0; }
  .processing-visual { min-height: 330px; }
  .processing-content h2, .digital-copy h2, .energy-content h2, .contact-intro h2 { font-size: 40px; }
  .mineral-detail > div { display: block; }
  .mineral-detail strong { display: block; margin-top: 8px; text-align: left; }
  .process-line { overflow-x: auto; justify-content: flex-start; padding-bottom: 34px; }
  .process-line > div { min-width: 118px; }
  .digital-band { padding: 78px 20px; gap: 42px; }
  .dashboard-shell { padding: 10px; }
  .metric-grid strong { font-size: 15px; }
  .chart-area svg { height: 145px; }
  .equipment-status { grid-template-columns: repeat(2, 1fr); }
  .energy-band { min-height: 650px; align-items: flex-end; }
  .energy-band > img { object-position: 62% center; }
  .energy-content { margin: 0 20px 70px; width: auto; }
  .work-steps { grid-template-columns: 1fr; }
  .work-steps li { min-height: 142px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .work-steps h3 { margin: 28px 0 8px; }
  .contact-band { padding: 78px 20px; grid-template-columns: 1fr; gap: 42px; }
  .contact-form { padding: 24px 18px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-main { grid-template-columns: 1fr 44px; gap: 24px; }
  .footer-brand .brand-logo { width: 220px; height: 68px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
