:root {
  --ink: #10221d;
  --muted: #52615c;
  --green: #083f32;
  --green-2: #0e5d49;
  --gold: #d9a632;
  --cream: #f5f2e8;
  --paper: #fffef9;
  --mist: #edf2ef;
  --line: #d7dcd7;
  --white: #ffffff;
  --error: #9b2c2c;
  --shadow: 0 18px 48px rgba(8, 40, 31, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link { position: fixed; top: -80px; left: 12px; z-index: 100; padding: 10px 14px; background: var(--white); color: var(--green); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 40; min-height: 72px; display: flex; align-items: center; gap: 28px; padding: 10px clamp(18px, 4vw, 64px); background: rgba(255,254,249,.94); border-bottom: 1px solid rgba(16,34,29,.1); backdrop-filter: blur(14px); }
.brand { margin-right: auto; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { width: 144px; height: auto; object-fit: contain; }
.desktop-nav { display: flex; gap: 24px; }
.desktop-nav a { color: var(--muted); text-decoration: none; font-size: .88rem; font-weight: 700; }
.mobile-quick-nav { display: none; }

.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 11px 19px; border: 1px solid var(--green); background: var(--green); color: var(--white); text-decoration: none; text-align: center; font-weight: 800; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: var(--green-2); }
.button-small { min-height: 40px; padding: 8px 15px; font-size: .84rem; }
.text-link { color: var(--green); font-weight: 800; text-underline-offset: 4px; }

.hero { min-height: 560px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(400px, .9fr); background: var(--cream); }
.hero-copy { align-self: center; padding: 60px clamp(24px, 6vw, 92px); }
.eyebrow { margin: 0 0 10px; color: var(--green-2); font-size: .72rem; font-weight: 900; letter-spacing: .15em; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; }
h1 { max-width: 800px; margin-bottom: 18px; font-size: clamp(2.7rem, 5vw, 5.4rem); letter-spacing: -.055em; }
h2 { margin-bottom: 16px; font-size: clamp(1.9rem, 3.2vw, 3.35rem); letter-spacing: -.04em; }
h3 { margin-bottom: 8px; font-size: 1.1rem; }
p { margin-top: 0; }
.hero-lede { max-width: 660px; margin-bottom: 25px; color: var(--muted); font-size: clamp(1.03rem, 1.45vw, 1.23rem); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.microcopy { margin: 13px 0 0; color: var(--muted); font-size: .77rem; }
.hero-media { position: relative; min-height: 560px; margin: 0; overflow: hidden; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,63,50,.16), transparent 46%); }
.hero-media figcaption { position: absolute; right: 18px; bottom: 18px; z-index: 2; display: flex; flex-direction: column; padding: 9px 11px; background: rgba(255,255,255,.9); color: var(--green); }
.hero-media figcaption span { color: var(--muted); font-size: .67rem; }

.proof-bar { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--green); color: var(--white); }
.proof-bar > div { padding: 20px clamp(18px, 4vw, 52px); border-right: 1px solid rgba(255,255,255,.15); }
.proof-bar > div:last-child { border-right: 0; }
.proof-bar strong, .proof-bar span { display: block; }
.proof-bar strong { color: #f1c65a; }
.proof-bar span { margin-top: 3px; color: rgba(255,255,255,.68); font-size: .78rem; }

.section { padding: clamp(62px, 8vw, 108px) clamp(18px, 6vw, 92px); }
.section-heading { max-width: 1440px; margin: 0 auto 34px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .55fr); gap: 40px; align-items: end; }
.section-heading > p { margin-bottom: 5px; color: var(--muted); }

.solutions-section { background: var(--paper); }
.solution-explorer { max-width: 1440px; margin: 0 auto; display: grid; grid-template-columns: 310px minmax(0, 1fr); gap: 20px; }
.scene-menu { display: grid; align-content: start; border: 1px solid var(--line); background: var(--white); }
.scene-option { appearance: none; display: grid; grid-template-columns: 76px 1fr; align-items: center; min-height: 92px; padding: 0; border: 0; border-bottom: 1px solid var(--line); background: var(--white); color: var(--ink); text-align: left; cursor: pointer; }
.scene-option:last-child { border-bottom: 0; }
.scene-option img { width: 76px; height: 91px; object-fit: cover; filter: saturate(.7); }
.scene-option > span { padding: 12px 14px; }
.scene-option small, .scene-option strong { display: block; }
.scene-option small { color: var(--green-2); font-size: .65rem; letter-spacing: .12em; }
.scene-option strong { margin-top: 4px; line-height: 1.2; }
.scene-option:hover, .scene-option.is-active { background: var(--mist); }
.scene-option.is-active { box-shadow: inset 4px 0 var(--gold); }

.solution-panel { min-width: 0; display: grid; grid-template-columns: minmax(300px, .88fr) minmax(0, 1.12fr); background: var(--cream); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.solution-panel > figure { min-height: 620px; margin: 0; }
.solution-panel > figure img { width: 100%; height: 100%; object-fit: cover; }
.solution-content { align-self: center; padding: clamp(28px, 5vw, 62px); }
.solution-summary { color: var(--muted); font-size: 1.02rem; }
.solution-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0 18px; }
.solution-facts > div { padding-top: 14px; border-top: 2px solid var(--green); }
.solution-facts small, .input-box > small { color: var(--green-2); font-size: .65rem; font-weight: 900; letter-spacing: .12em; }
.solution-facts p { margin: 7px 0 0; color: var(--muted); font-size: .83rem; }
.input-box { margin-bottom: 22px; padding: 16px 18px; background: var(--white); border-left: 4px solid var(--gold); }
.input-box ul { display: grid; grid-template-columns: 1fr 1fr; gap: 5px 18px; margin: 9px 0 0; padding-left: 18px; color: var(--muted); font-size: .82rem; }

.engineering-section { background: var(--green); color: var(--white); }
.engineering-title { max-width: 900px; margin-bottom: 32px; }
.engineering-title .eyebrow { color: var(--gold); }
.engineering-title > p:last-child { color: rgba(255,255,255,.68); }
.review-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; margin-bottom: 22px; }
.review-flow > div { min-height: 116px; display: flex; flex-direction: column; justify-content: center; padding: 18px; background: rgba(255,255,255,.07); border-top: 3px solid var(--gold); }
.review-flow span { color: var(--gold); font-size: .64rem; font-weight: 900; letter-spacing: .14em; }
.review-flow small { margin-top: 4px; color: rgba(255,255,255,.6); }
.review-flow i { color: var(--gold); font-style: normal; font-size: 1.4rem; }
.professional-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.17); border: 1px solid rgba(255,255,255,.17); }
.professional-grid article { min-height: 188px; padding: 22px; background: var(--green); }
.professional-grid article > span { color: var(--gold); font-size: .7rem; font-weight: 900; }
.professional-grid h3 { margin-top: 32px; }
.professional-grid p { margin-bottom: 0; color: rgba(255,255,255,.62); font-size: .8rem; }
.engineering-note { margin: 16px 0 0; color: rgba(255,255,255,.55); font-size: .72rem; }

.buyer-trust { display: grid; grid-template-columns: 1fr 1fr; }
.buyer-block, .trust-block { min-height: 440px; padding: clamp(52px, 7vw, 90px); }
.buyer-block { background: var(--cream); }
.buyer-tags { display: flex; flex-wrap: wrap; gap: 8px; max-width: 650px; }
.buyer-tags span { padding: 9px 12px; background: var(--white); border: 1px solid var(--line); font-size: .8rem; font-weight: 750; }
.not-retail { margin-top: 18px; color: var(--muted); font-size: .77rem; }
.trust-block { position: relative; display: grid; grid-template-columns: .86fr 1.14fr; grid-template-areas: "image copy" "points points"; gap: 28px; align-items: center; background: var(--mist); }
.trust-block .headquarters-image { grid-area: image; width: 100%; height: auto; aspect-ratio: 1200 / 961; object-fit: contain; background: var(--white); box-shadow: var(--shadow); }
.trust-copy { grid-area: copy; }
.trust-block p { color: var(--muted); }
.trust-points { grid-area: points; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4px; background: var(--line); border: 1px solid var(--line); }
.trust-points > div { min-height: 108px; display: flex; flex-direction: column; justify-content: center; padding: 18px; background: var(--white); }
.trust-points strong, .trust-points span { display: block; }
.trust-points strong { color: var(--green); font-size: .86rem; }
.trust-points span { margin-top: 5px; color: var(--muted); font-size: .72rem; line-height: 1.4; }

.faq-section { display: grid; grid-template-columns: minmax(250px, .55fr) minmax(0, 1.45fr); gap: clamp(40px, 8vw, 110px); }
.faq-list details { padding: 17px 0; border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-weight: 800; }
.faq-list details p { margin: 10px 0 0; color: var(--muted); }

.questionnaire-section { display: grid; grid-template-columns: minmax(270px, .6fr) minmax(0, 1.4fr); gap: clamp(42px, 7vw, 100px); padding: clamp(66px, 8vw, 110px) clamp(18px, 7vw, 116px); background: var(--cream); }
.questionnaire-intro { align-self: start; position: sticky; top: 110px; }
.questionnaire-intro > p { color: var(--muted); }
.filter-note { margin-top: 28px; padding: 16px; border-left: 4px solid var(--gold); background: var(--white); }
.filter-note strong, .filter-note span { display: block; }
.filter-note span { margin-top: 4px; color: var(--muted); font-size: .8rem; }
.project-form { padding: clamp(22px, 4vw, 42px); background: var(--white); box-shadow: var(--shadow); }
fieldset { margin: 0 0 30px; padding: 0 0 30px; border: 0; border-bottom: 1px solid var(--line); }
legend { margin-bottom: 18px; font-weight: 850; }
legend span { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 8px; background: var(--green); color: var(--gold); font-size: .7rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid label { display: grid; gap: 6px; color: var(--ink); font-size: .8rem; font-weight: 750; }
.full-field { grid-column: 1 / -1; }
input, select, textarea { width: 100%; border: 1px solid #bfc9c4; border-radius: 0; background: var(--paper); color: var(--ink); padding: 12px; outline: 0; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(8,63,50,.12); }
textarea { min-height: 105px; resize: vertical; }
.business-confirm { display: grid; grid-template-columns: 20px 1fr; gap: 9px; align-items: start; margin: 0 0 20px; color: var(--muted); font-size: .82rem; }
.business-confirm input { width: 18px; height: 18px; margin: 2px 0 0; }
.submit-button { width: 100%; }
.form-status { margin: 12px 0 0; font-size: .8rem; }
.form-status.is-error { color: var(--error); }
.form-status.is-ready { color: var(--green-2); font-weight: 800; }
.fallback-link { display: inline-block; margin-top: 10px; color: var(--green); font-weight: 800; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 18px 40px; padding: 32px clamp(18px, 6vw, 90px); background: #071e18; color: rgba(255,255,255,.68); }
footer strong { color: var(--white); }
footer p { margin: 3px 0 0; font-size: .77rem; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 18px; }
.copyright { grid-column: 1 / -1; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12); font-size: .7rem; }
.mobile-bar { display: none; }

@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .hero { grid-template-columns: 1fr 42%; }
  .solution-explorer { grid-template-columns: 250px minmax(0, 1fr); }
  .solution-panel { grid-template-columns: 1fr; }
  .solution-panel > figure { min-height: 350px; max-height: 430px; }
  .professional-grid { grid-template-columns: 1fr 1fr; }
  .buyer-trust, .faq-section, .questionnaire-section { grid-template-columns: 1fr; }
  .questionnaire-intro { position: static; }
}

@media (max-width: 760px) {
  body { padding-bottom: 58px; }
  section[id] { scroll-margin-top: 118px; }
  .site-header { min-height: 66px; padding: 9px 15px; }
  .site-header > .button { display: none; }
  .brand-logo { width: 122px; }
  .mobile-quick-nav { position: sticky; top: 66px; z-index: 39; display: flex; gap: 6px; overflow-x: auto; padding: 8px 12px; background: rgba(255,254,249,.97); border-bottom: 1px solid var(--line); box-shadow: 0 5px 14px rgba(8,40,31,.07); scrollbar-width: none; }
  .mobile-quick-nav::-webkit-scrollbar { display: none; }
  .mobile-quick-nav a { flex: 0 0 auto; padding: 7px 11px; border: 1px solid var(--line); background: var(--white); color: var(--green); text-decoration: none; font-size: .73rem; font-weight: 800; white-space: nowrap; }
  .hero { min-height: 0; grid-template-columns: 1fr; }
  .hero-copy { padding: 52px 18px 40px; }
  h1 { font-size: clamp(2.45rem, 13vw, 4rem); }
  h2 { font-size: clamp(1.95rem, 10vw, 2.9rem); }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .text-link { text-align: center; }
  .hero-media { min-height: 310px; }
  .proof-bar { grid-template-columns: 1fr; }
  .proof-bar > div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.15); }
  .section { padding: 60px 16px; }
  .section-heading { grid-template-columns: 1fr; gap: 4px; margin-bottom: 26px; }
  .solution-explorer { grid-template-columns: 1fr; }
  .scene-menu { grid-template-columns: 1fr 1fr; }
  .scene-option { grid-template-columns: 58px 1fr; min-height: 74px; }
  .scene-option img { width: 58px; height: 73px; }
  .scene-option:last-child { grid-column: 1 / -1; }
  .solution-panel > figure { min-height: 250px; }
  .solution-content { padding: 26px 18px; }
  .solution-facts, .input-box ul { grid-template-columns: 1fr; }
  .use-scene { width: 100%; }
  .review-flow { grid-template-columns: 1fr; }
  .review-flow i { transform: rotate(90deg); justify-self: center; }
  .professional-grid { grid-template-columns: 1fr; }
  .professional-grid article { min-height: 0; }
  .professional-grid h3 { margin-top: 15px; }
  .buyer-block, .trust-block { min-height: 0; padding: 58px 18px; }
  .trust-block { grid-template-columns: 1fr; grid-template-areas: "image" "copy" "points"; }
  .trust-points { grid-template-columns: 1fr; }
  .trust-points > div { min-height: 84px; }
  .questionnaire-section { padding: 62px 16px; }
  .project-form { padding: 22px 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .full-field { grid-column: auto; }
  footer { grid-template-columns: 1fr; padding: 28px 18px; }
  .footer-links { justify-content: flex-start; }
  .copyright { grid-column: auto; }
  .mobile-bar { position: fixed; inset: auto 0 0; z-index: 50; display: block; padding: 8px 12px; background: rgba(7,30,24,.96); }
  .mobile-bar a { min-height: 42px; display: grid; place-items: center; background: var(--gold); color: var(--ink); text-decoration: none; font-weight: 850; }
}

@media (max-width: 430px) {
  .scene-menu { grid-template-columns: 1fr; }
  .scene-option:last-child { grid-column: auto; }
}

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