:root {
  --paper: #f7f8f8;
  --paper-2: #ecefef;
  --paper-3: #e4e8e8;
  --white: #ffffff;
  --graphite: #373c3c;
  --graphite-2: #464e51;
  --muted: #687274;
  --bronze: #8b4f2f;
  --bronze-soft: #c9a996;
  --line: #d7dddd;
  --shadow: 0 18px 48px rgba(31, 39, 40, .08);
  --shadow-soft: 0 10px 30px rgba(31, 39, 40, .06);
  --container: 1240px;
  --header-height: 92px;
  --radius: 22px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--graphite);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; transform: translateY(-180%); padding: 10px 14px; background: var(--graphite); color: var(--white); }
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-height);
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(55,60,60,.08);
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 190px;
  align-items: center;
  gap: 28px;
}
.brand { display: inline-flex; align-items: center; width: 245px; }
.brand img { width: 100%; height: auto; }
.desktop-nav { justify-self: center; }
.nav-list { display: flex; align-items: center; justify-content: center; gap: 36px; margin: 0; padding: 0; list-style: none; }
.nav-link { position: relative; padding: 33px 0 29px; color: var(--graphite-2); font-size: .93rem; font-weight: 650; letter-spacing: .015em; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 23px; height: 2px; background: var(--bronze); transition: right .22s ease; }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { right: 0; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--graphite); }
.header-cta { justify-self: end; display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; color: var(--white); background: var(--graphite); border-radius: 999px; font-size: .9rem; font-weight: 700; transition: background .2s ease, transform .2s ease; }
.header-cta:hover { background: var(--bronze); transform: translateY(-1px); }
.menu-button { display: none; justify-self: end; width: 46px; height: 46px; padding: 11px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); }
.menu-button span { display: block; height: 2px; margin: 5px 0; background: var(--graphite); transition: transform .2s ease, opacity .2s ease; }
.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; }

.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 18px; color: var(--bronze); font-size: .76rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--bronze); }
h1, h2, h3 { margin: 0; color: var(--graphite); font-family: Bahnschrift, "Arial Narrow", "Segoe UI", Arial, sans-serif; font-weight: 600; line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(3.05rem, 5.4vw, 5.3rem); }
h2 { font-size: clamp(2.15rem, 3.6vw, 3.45rem); }
h3 { font-size: clamp(1.25rem, 1.65vw, 1.65rem); }
p { margin: 0; }
.lead { color: var(--muted); font-size: 1.08rem; line-height: 1.75; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 22px; border-radius: 999px; font-size: .94rem; font-weight: 750; transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--white); background: var(--graphite); }
.button-primary:hover { background: var(--bronze); }
.button-secondary { color: var(--graphite); background: transparent; border: 1px solid var(--line); }
.button-secondary:hover { border-color: var(--bronze-soft); background: var(--white); }
.button-arrow { color: var(--bronze-soft); font-size: 1.18em; }
.button-primary:hover .button-arrow { color: var(--white); }

.hero { position: relative; overflow: hidden; background: linear-gradient(110deg, #f8f9f9 0%, #f4f6f6 55%, #e9eeee 100%); border-bottom: 1px solid var(--line); }
.hero::after { content: ""; position: absolute; width: 480px; height: 480px; right: -280px; top: -190px; border: 1px solid rgba(139,79,47,.18); transform: rotate(45deg); }
.hero-grid { position: relative; z-index: 1; min-height: 690px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr); align-items: center; gap: 72px; padding: 70px 0; }
.hero-copy { max-width: 660px; }
.hero-copy h1 { max-width: 12ch; }
.hero-copy > p:not(.eyebrow) { max-width: 620px; margin-top: 26px; color: var(--muted); font-size: 1.12rem; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 40px; color: var(--graphite-2); font-size: .88rem; font-weight: 650; }
.hero-points span { display: inline-flex; align-items: center; gap: 9px; }
.hero-points span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--bronze); }
.hero-visual { position: relative; height: 570px; }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; border-radius: 3px; box-shadow: var(--shadow); }
.hero-visual::before { content: ""; position: absolute; left: -14px; bottom: -14px; width: 44%; height: 48%; border-left: 3px solid var(--bronze); border-bottom: 3px solid var(--bronze); z-index: 2; pointer-events: none; }
.hero-label { position: absolute; left: -36px; bottom: 34px; z-index: 3; width: 210px; padding: 20px 22px; color: var(--graphite); background: rgba(255,255,255,.95); box-shadow: var(--shadow-soft); }
.hero-label strong { display: block; margin-bottom: 4px; font-family: Bahnschrift, "Segoe UI", sans-serif; font-size: 1.1rem; }
.hero-label span { color: var(--muted); font-size: .8rem; }

.pillars { background: var(--white); border-bottom: 1px solid var(--line); }
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.pillar { position: relative; min-height: 142px; padding: 30px 34px; border-right: 1px solid var(--line); }
.pillar:last-child { border-right: 0; }
.pillar-number { display: block; margin-bottom: 14px; color: var(--bronze); font-size: .72rem; font-weight: 800; letter-spacing: .16em; }
.pillar strong { display: block; max-width: 280px; font-family: Bahnschrift, "Segoe UI", sans-serif; font-size: 1.05rem; font-weight: 600; line-height: 1.35; }

.section { padding: 112px 0; }
.section-sm { padding: 82px 0; }
.section-grey { background: var(--paper-2); }
.section-white { background: var(--white); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .72fr); gap: 80px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { max-width: 15ch; }
.section-heading .lead { max-width: 590px; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { position: relative; display: grid; grid-template-rows: 250px auto; min-height: 520px; overflow: hidden; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-card img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9) contrast(.98); transition: transform .45s ease, filter .45s ease; }
.service-card:hover img { transform: scale(1.025); filter: saturate(1) contrast(1); }
.service-copy { padding: 32px 30px 34px; }
.service-index { display: block; margin-bottom: 18px; color: var(--bronze); font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
.service-copy h3 { margin-bottom: 15px; }
.service-copy p { color: var(--muted); font-size: .96rem; }
.service-link { display: inline-flex; align-items: center; gap: 11px; margin-top: 26px; color: var(--graphite); font-size: .86rem; font-weight: 750; }
.service-link::before { content: ""; width: 28px; height: 2px; background: var(--bronze); transition: width .2s ease; }
.service-card:hover .service-link::before { width: 42px; }

.split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 86px; align-items: center; }
.split.reverse { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img { width: 100%; min-height: 530px; object-fit: cover; }
.split-media::after { content: ""; position: absolute; right: -14px; top: 28px; bottom: 28px; width: 3px; background: var(--bronze); }
.split-copy h2 { max-width: 15ch; margin-bottom: 24px; }
.split-copy .lead { margin-bottom: 28px; }
.check-list { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: var(--graphite-2); }
.check-list li::before { content: ""; position: absolute; left: 0; top: .75em; width: 12px; height: 2px; background: var(--bronze); }

.energy-feature { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.energy-card { position: relative; min-height: 540px; overflow: hidden; background: var(--graphite); }
.energy-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .74; transition: transform .45s ease; }
.energy-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(22,27,28,.05) 24%, rgba(22,27,28,.82) 100%); }
.energy-card:hover img { transform: scale(1.025); }
.energy-card-copy { position: absolute; inset: auto 34px 34px; z-index: 2; color: var(--white); }
.energy-card-copy .eyebrow { color: #e6c8b5; }
.energy-card-copy .eyebrow::before { background: #e6c8b5; }
.energy-card-copy h3 { color: var(--white); font-size: 2rem; }
.energy-card-copy p { max-width: 520px; margin-top: 14px; color: rgba(255,255,255,.8); }

.process { border-top: 1px solid var(--line); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.process-step { min-height: 260px; padding: 32px 30px 0 0; border-right: 1px solid var(--line); }
.process-step:not(:first-child) { padding-left: 30px; }
.process-step:last-child { border-right: 0; }
.process-number { display: block; margin-bottom: 40px; color: var(--bronze); font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.process-step h3 { margin-bottom: 14px; }
.process-step p { color: var(--muted); font-size: .94rem; }

.partner-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .62fr); gap: 70px; align-items: center; padding: 58px 62px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.partner-panel h2 { max-width: 16ch; margin-bottom: 20px; }
.partner-panel .lead { max-width: 760px; }
.partner-note { padding: 30px; background: var(--paper-2); border-left: 3px solid var(--bronze); }
.partner-note strong { display: block; margin-bottom: 8px; font-family: Bahnschrift, "Segoe UI", sans-serif; }
.partner-note p { color: var(--muted); font-size: .92rem; }

.cta-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 60px; padding: 62px 66px; color: var(--graphite); background: var(--paper-2); border-top: 3px solid var(--bronze); }
.cta-panel h2 { max-width: 16ch; }
.cta-panel p { max-width: 660px; margin-top: 18px; color: var(--muted); }

.page-hero { background: var(--white); border-bottom: 1px solid var(--line); }
.page-hero-grid { min-height: 540px; display: grid; grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr); align-items: center; gap: 72px; padding: 54px 0; }
.page-hero-copy h1 { max-width: 13ch; font-size: clamp(2.8rem, 4.7vw, 4.55rem); }
.page-hero-copy .lead { max-width: 620px; margin-top: 24px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: .82rem; }
.breadcrumbs span { color: var(--bronze); }
.page-hero-media { height: 430px; }
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; }

.content-grid { display: grid; grid-template-columns: minmax(250px, .62fr) minmax(0, 1.38fr); gap: 90px; align-items: start; }
.sticky-title { position: sticky; top: 132px; }
.sticky-title h2 { max-width: 10ch; }
.content-stack { border-top: 1px solid var(--line); }
.content-card { padding: 34px 0 36px; border-bottom: 1px solid var(--line); }
.content-card h3 { margin-bottom: 12px; }
.content-card p, .content-card li { color: var(--muted); }
.content-card ul { margin: 16px 0 0; padding-left: 21px; }
.content-card li + li { margin-top: 8px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.service-tag { padding: 8px 11px; color: var(--graphite-2); background: var(--paper-2); border: 1px solid var(--line); font-size: .78rem; font-weight: 700; }

.about-values { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.about-value { padding: 36px; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.about-value span { display: block; margin-bottom: 28px; color: var(--bronze); font-size: .75rem; font-weight: 800; letter-spacing: .15em; }
.about-value h3 { margin-bottom: 12px; }
.about-value p { color: var(--muted); font-size: .94rem; }

.contact-layout { display: grid; grid-template-columns: minmax(0, .7fr) minmax(520px, 1.15fr); gap: 90px; align-items: start; }
.contact-copy { position: sticky; top: 132px; }
.contact-copy h1 { max-width: 10ch; font-size: clamp(2.65rem, 4.3vw, 4.1rem); }
.contact-copy .lead { margin-top: 24px; }
.contact-email { display: inline-flex; margin-top: 28px; color: var(--bronze); font-weight: 750; }
.contact-form { padding: 42px; background: var(--white); border: 1px solid var(--line); box-shadow: var(--shadow-soft); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--graphite); font-size: .84rem; font-weight: 750; }
.field input, .field select, .field textarea { width: 100%; padding: 14px 15px; color: var(--graphite); background: var(--paper); border: 1px solid #cfd6d6; border-radius: 8px; outline: none; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--bronze); box-shadow: 0 0 0 3px rgba(139,79,47,.09); }
.form-note { margin-top: 16px; color: var(--muted); font-size: .82rem; }
.form-status { min-height: 24px; margin-top: 12px; color: var(--bronze); font-weight: 700; }

.site-footer { padding: 64px 0 26px; background: #e9eded; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr .7fr .9fr; gap: 48px; padding-bottom: 54px; }
.footer-brand-logo { width: 220px; margin-bottom: 22px; }
.footer-brand p { max-width: 400px; color: var(--muted); font-size: .93rem; }
.footer-title { margin-bottom: 17px; color: var(--graphite); font-size: .76rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.footer-links { display: grid; gap: 9px; color: var(--muted); font-size: .92rem; }
.footer-links a:hover { color: var(--bronze); }
.footer-email { color: var(--graphite); font-weight: 750; overflow-wrap: anywhere; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; padding-top: 24px; color: var(--muted); border-top: 1px solid rgba(55,60,60,.12); font-size: .8rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1120px) {
  :root { --header-height: 82px; }
  .header-inner { grid-template-columns: 220px 1fr auto; }
  .brand { width: 205px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button { display: block; }
  .mobile-nav { position: fixed; inset: var(--header-height) 0 0 0; display: grid; align-content: start; padding: 26px 28px 50px; background: var(--paper); visibility: hidden; opacity: 0; transform: translateX(100%); pointer-events: none; transition: .28s ease; }
  .mobile-nav.open { visibility: visible; opacity: 1; transform: none; pointer-events: auto; }
  .mobile-nav a { padding: 16px 4px; border-bottom: 1px solid var(--line); font-family: Bahnschrift, "Segoe UI", sans-serif; font-size: 1.12rem; font-weight: 600; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-grid { padding: 76px 0 54px; }
  .hero-visual { height: 470px; }
  .hero-label { left: 24px; }
  .section-heading, .split, .split.reverse, .partner-panel, .contact-layout, .content-grid { grid-template-columns: 1fr; gap: 46px; }
  .split.reverse .split-media { order: initial; }
  .sticky-title, .contact-copy { position: static; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-step:nth-child(2) { border-right: 0; }
  .process-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); padding-bottom: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand { width: 186px; }
  .section { padding: 78px 0; }
  .section-sm { padding: 60px 0; }
  h1 { font-size: clamp(2.55rem, 13vw, 4.05rem); }
  h2 { font-size: clamp(1.9rem, 9vw, 2.75rem); }
  .hero-grid { min-height: auto; padding-top: 62px; }
  .hero-copy > p:not(.eyebrow) { font-size: 1.02rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .button { width: 100%; }
  .hero-points { display: grid; gap: 9px; }
  .hero-visual { height: 330px; }
  .hero-visual::before { left: -7px; bottom: -7px; }
  .hero-label { display: none; }
  .pillars-grid, .service-grid, .energy-feature, .about-values, .process-grid, .footer-grid, .form-grid { grid-template-columns: 1fr; }
  .pillar { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .pillar:last-child { border-bottom: 0; }
  .service-card { grid-template-rows: 210px auto; min-height: 0; }
  .section-heading { gap: 20px; margin-bottom: 38px; }
  .split-media img { min-height: 350px; }
  .energy-card { min-height: 410px; }
  .process-step, .process-step:not(:first-child) { padding: 28px 0 30px; border-right: 0; border-bottom: 1px solid var(--line); }
  .process-step:last-child { border-bottom: 0; }
  .partner-panel { padding: 36px 28px; }
  .cta-panel { grid-template-columns: 1fr; gap: 28px; padding: 42px 30px; }
  .page-hero-grid { min-height: auto; padding: 54px 0; }
  .page-hero-media { height: 320px; }
  .contact-form { padding: 28px 22px; }
  .field.full { grid-column: auto; }
  .footer-grid { gap: 30px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}