/* Thomas Halliwell — concept rebuild
   Direction: precision engineering. Paper + logo navy/teal, one volt accent on dark only. */

:root {
  --paper: #F4F5F1;
  --paper-2: #EBEDE7;
  --card: #FFFFFF;
  --ink: #061743;          /* logo navy */
  --ink-soft: #1C2747;
  --text: #1B2540;
  --muted: #535D72;        /* 6.0:1 on paper */
  --teal: #045E77;         /* logo teal, 7.1:1 on paper */
  --teal-bright: #0A7FA0;
  --line: rgba(6, 23, 67, .14);
  --line-strong: rgba(6, 23, 67, .28);
  --grid: rgba(6, 23, 67, .055);

  --night: #050F2C;
  --night-2: #0A1A45;
  --on-night: #EEF1F7;
  --on-night-muted: #A3AEC6;
  --night-line: rgba(238, 241, 247, .14);
  --volt: #C8F03C;

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --wrap: 1320px;
  --gutter: clamp(16px, 4vw, 40px);
  --section: clamp(72px, 10vw, 140px);
  --radius: 2px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --t-fast: 160ms;
  --t-med: 320ms;

  --z-header: 40;
  --z-menu: 60;
  --z-dialog: 100;
}

/* ---------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font: 400 17px/1.65 var(--f-body);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
::selection { background: var(--volt); color: var(--ink); }
:focus-visible { outline: 3px solid var(--teal-bright); outline-offset: 3px; border-radius: 1px; }
.on-night :focus-visible, .site-footer :focus-visible { outline-color: var(--volt); }

h1, h2, h3, h4 {
  font-family: var(--f-display); font-stretch: 112%; color: var(--ink);
  font-weight: 600; letter-spacing: -.02em; line-height: 1.02; margin: 0;
  text-wrap: balance;
}
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; text-decoration: none;
}
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section) 0; }
.section--tight { padding: calc(var(--section) * .6) 0; }
.bp {
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}
.on-night { background: var(--night); color: var(--on-night); }
.on-night h1, .on-night h2, .on-night h3, .on-night h4 { color: #fff; }
.on-night.bp {
  background-image:
    linear-gradient(rgba(238,241,247,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238,241,247,.05) 1px, transparent 1px);
}
.paper-2 { background: var(--paper-2); }

/* ---------------------------------------------------------------- type helpers */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1.2 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--teal);
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
.on-night .eyebrow { color: var(--volt); }
.mono { font-family: var(--f-mono); font-size: 13px; letter-spacing: .02em; }
.display-xl { font-size: clamp(40px, 7.4vw, 108px); line-height: .94; letter-spacing: -.035em; font-weight: 600; }
.display-l { font-size: clamp(38px, 5.2vw, 76px); line-height: .98; letter-spacing: -.03em; }
.display-m { font-size: clamp(30px, 3.6vw, 52px); line-height: 1.02; }
.h3 { font-size: clamp(22px, 2vw, 28px); line-height: 1.12; letter-spacing: -.015em; }
.lede { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55; color: var(--ink-soft); max-width: 62ch; }
.on-night .lede { color: var(--on-night); }
.muted { color: var(--muted); }
.on-night .muted { color: var(--on-night-muted); }
.hl { color: var(--teal); }
.on-night .hl { color: var(--volt); }

.section-head { display: grid; grid-template-columns: 1fr; gap: 24px; margin-bottom: clamp(40px, 6vw, 72px); }
@media (min-width: 960px) {
  .section-head { grid-template-columns: 7fr 5fr; align-items: end; gap: 64px; }
  .section-head > :last-child { justify-self: start; }
}

/* ---------------------------------------------------------------- buttons */
.btn {
  --bg: var(--ink); --fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 0 24px; border: 1px solid var(--bg); border-radius: var(--radius);
  background: var(--bg); color: var(--fg);
  font: 600 15px/1 var(--f-body); letter-spacing: .005em; text-decoration: none; cursor: pointer;
  transition: background var(--t-fast) ease, color var(--t-fast) ease, border-color var(--t-fast) ease;
  touch-action: manipulation;
}
.btn svg { width: 18px; height: 18px; transition: transform var(--t-med) var(--ease-out); }
.btn:hover { --bg: var(--teal); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn--volt { --bg: var(--volt); --fg: var(--ink); }
.btn--volt:hover { --bg: #fff; --fg: var(--ink); }
.on-night .btn--ghost { color: #fff; border-color: var(--night-line); }
.on-night .btn--ghost:hover { background: #fff; color: var(--ink); border-color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 15px/1.2 var(--f-body); color: var(--ink); text-decoration: none;
  padding: 6px 0; border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform var(--t-med) var(--ease-out); }
.link-arrow:hover { color: var(--teal); border-color: var(--teal); }
.link-arrow:hover svg { transform: translateX(4px); }
.on-night .link-arrow { color: #fff; border-color: var(--night-line); }
.on-night .link-arrow:hover { color: var(--volt); border-color: var(--volt); }

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: var(--z-header);
  background: rgba(244, 245, 241, .86);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-med), background var(--t-med);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(244, 245, 241, .94); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 80px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand svg.mark { width: 52px; height: auto; }
.brand-word { font: 600 17px/1.02 var(--f-body); letter-spacing: -.01em; }
.brand-word span { display: block; }
.nav { display: none; margin-left: auto; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; }
.nav a {
  position: relative; display: inline-flex; align-items: center; height: 44px; padding: 0 14px;
  font: 500 15px/1 var(--f-body); text-decoration: none; color: var(--ink-soft);
  transition: color var(--t-fast);
}
.nav a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
.header-cta { display: none; align-items: center; gap: 18px; }
.header-phone { font: 500 14px/1 var(--f-mono); color: var(--ink); text-decoration: none; white-space: nowrap; }
.header-phone:hover { color: var(--teal); }
.header-cta .btn { min-height: 46px; padding: 0 18px; font-size: 14px; }
.menu-toggle {
  margin-left: auto; width: 48px; height: 48px; display: inline-grid; place-items: center;
  background: none; border: 1px solid var(--line-strong); border-radius: var(--radius); cursor: pointer;
}
.menu-toggle svg { width: 22px; height: 22px; }
@media (min-width: 1100px) {
  .nav { display: block; }
  .header-cta { display: flex; }
  .menu-toggle { display: none; }
}
@media (min-width: 1100px) and (max-width: 1240px) { .header-phone { display: none; } }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: var(--z-menu); background: var(--night); color: var(--on-night);
  display: flex; flex-direction: column; padding: 20px var(--gutter) 32px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--t-med) var(--ease-out), transform var(--t-med) var(--ease-out), visibility 0s linear var(--t-med);
  overflow-y: auto;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mobile-menu-top { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.mobile-menu .brand { color: #fff; }
.mobile-menu .menu-close {
  width: 48px; height: 48px; display: grid; place-items: center; background: none;
  border: 1px solid var(--night-line); border-radius: var(--radius); cursor: pointer; color: #fff;
}
.mobile-menu .menu-close svg { width: 22px; height: 22px; }
.mobile-menu nav ul { list-style: none; margin: 40px 0 0; padding: 0; }
.mobile-menu nav a {
  display: flex; justify-content: space-between; align-items: center; padding: 16px 0;
  border-bottom: 1px solid var(--night-line); text-decoration: none; color: #fff;
  font: 600 clamp(28px, 7vw, 40px)/1.1 var(--f-display); font-stretch: 112%; letter-spacing: -.02em;
}
.mobile-menu nav a span { font: 500 12px/1 var(--f-mono); color: var(--on-night-muted); letter-spacing: .1em; }
.mobile-menu nav a[aria-current="page"] { color: var(--volt); }
.mobile-menu-foot { margin-top: auto; padding-top: 32px; display: grid; gap: 14px; }
.mobile-menu-foot a { color: var(--on-night); text-decoration: none; font: 500 15px/1.4 var(--f-mono); }
body.menu-open { overflow: hidden; }

/* ---------------------------------------------------------------- brand mark */
.mark .m-bg { fill: url(#thGrad); }
.mark .m-fg { fill: #fff; }

/* ---------------------------------------------------------------- home hero */
.hero { position: relative; padding: clamp(40px, 6vw, 80px) 0 0; overflow: hidden; }
.hero-grid { display: grid; gap: 32px; }
.hero-title .line { display: block; }
@media (min-width: 720px) { .hero-title .line { white-space: nowrap; } }
.hero-title em { font-style: normal; color: var(--teal); }
.hero-side { display: grid; gap: 28px; align-content: end; }
.hero-side .lede { font-size: 18px; }
.hero-sub { display: grid; gap: 28px; margin-top: clamp(28px, 3.5vw, 44px); }
.hero-sub .lede { margin: 0; max-width: 58ch; }
@media (min-width: 1024px) {
  .hero-sub { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: end; }
  .hero-sub .btn-row { justify-content: flex-end; }
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: clamp(36px, 5vw, 56px);
  padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font: 500 12px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.hero-meta b { color: var(--ink); font-weight: 500; }

.figure-frame { position: relative; margin: clamp(28px, 4vw, 48px) 0 0; }
.figure-frame .ph { position: relative; overflow: hidden; background: var(--night); aspect-ratio: 16 / 7.2; }
.figure-frame .ph img { width: 100%; height: 100%; object-fit: cover; }
.figure-frame .ph::after { /* subtle vignette for overlay legibility */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,15,44,0) 45%, rgba(5,15,44,.72) 100%);
  pointer-events: none;
}
@media (max-width: 720px) { .figure-frame .ph { aspect-ratio: 4 / 3.6; } }
.crop { position: absolute; width: 18px; height: 18px; border-color: var(--ink); border-style: solid; border-width: 0; pointer-events: none; }
.crop.tl { top: -10px; left: -10px; border-top-width: 1px; border-left-width: 1px; }
.crop.tr { top: -10px; right: -10px; border-top-width: 1px; border-right-width: 1px; }
.crop.bl { bottom: -10px; left: -10px; border-bottom-width: 1px; border-left-width: 1px; }
.crop.br { bottom: -10px; right: -10px; border-bottom-width: 1px; border-right-width: 1px; }
.figcap {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; margin-top: 14px;
  font: 400 12px/1.5 var(--f-mono); color: var(--muted); letter-spacing: .02em;
}
.figcap b { color: var(--ink); font-weight: 500; }

.annot {
  position: absolute; z-index: 2; display: flex; align-items: center; gap: 10px;
  font: 500 11px/1.3 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: #fff;
}
.annot .dot { position: relative; width: 14px; height: 14px; border: 1px solid var(--volt); border-radius: 50%; flex-shrink: 0; }
.annot .dot::after { content: ""; position: absolute; inset: 4px; background: var(--volt); border-radius: 50%; }
.annot .tag { background: rgba(5,15,44,.72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); padding: 6px 9px; border: 1px solid rgba(255,255,255,.18); }
.annot.a1 { top: 16%; left: 9%; }
.annot.a2 { top: 38%; right: 12%; flex-direction: row-reverse; }
@media (max-width: 720px) { .annot { display: none; } }

.hero-stats {
  position: absolute; z-index: 2; left: 0; right: 0; bottom: 0;
  display: grid; grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats div { padding: 18px clamp(14px, 2.4vw, 28px); color: #fff; border-right: 1px solid rgba(255,255,255,.14); }
.hero-stats div:last-child { border-right: 0; }
.hero-stats strong { display: block; font: 600 clamp(22px, 2.6vw, 36px)/1 var(--f-display); font-stretch: 112%; letter-spacing: -.02em; }
.hero-stats span { display: block; margin-top: 6px; font: 400 11px/1.35 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--on-night-muted); }
@media (min-width: 720px) { .hero-stats { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 719px) { .hero-stats div:nth-child(n+3) { display: none; } }

/* ---------------------------------------------------------------- client strip */
.clients { padding: clamp(40px, 5vw, 64px) 0; border-bottom: 1px solid var(--line); }
.clients-inner { display: grid; gap: 22px; }
@media (min-width: 960px) { .clients-inner { grid-template-columns: 220px 1fr; align-items: center; gap: 48px; } }
.clients-label { font: 500 12px/1.5 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.clients ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); column-gap: 24px; }
.clients li {
  font: 600 clamp(16px, 1.4vw, 20px)/1.2 var(--f-display); font-stretch: 116%; letter-spacing: -.01em; color: var(--ink);
  padding: 14px 0; border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------------- MER */
.mer-grid { display: grid; gap: 0; border-top: 1px solid var(--night-line); }
@media (min-width: 900px) { .mer-grid { grid-template-columns: repeat(3, 1fr); } }
.mer-col { padding: 36px 0 8px; border-bottom: 1px solid var(--night-line); }
@media (min-width: 900px) {
  .mer-col { padding: 40px 36px 12px; border-bottom: 0; border-left: 1px solid var(--night-line); }
  .mer-col:first-child { border-left: 0; padding-left: 0; }
}
.mer-letter {
  display: block; font: 700 clamp(96px, 12vw, 168px)/.8 var(--f-display); font-stretch: 125%;
  color: transparent; -webkit-text-stroke: 1.5px var(--volt); letter-spacing: -.04em; margin-bottom: 28px;
}
.mer-col h3 { font-size: 26px; margin-bottom: 12px; }
.mer-col p { color: var(--on-night-muted); font-size: 16px; }
.ticklist { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 0; }
.ticklist li { display: flex; gap: 12px; align-items: flex-start; padding: 11px 0; border-top: 1px solid var(--line); font-size: 15.5px; line-height: 1.45; }
.ticklist li svg { flex-shrink: 0; width: 16px; height: 16px; margin-top: 3px; color: var(--teal); }
.on-night .ticklist li { border-top-color: var(--night-line); color: var(--on-night); }
.on-night .ticklist li svg { color: var(--volt); }

/* ---------------------------------------------------------------- feature (NSTF) */
.feature { display: grid; gap: 40px; }
@media (min-width: 1024px) { .feature { grid-template-columns: 7fr 5fr; gap: 72px; align-items: center; } }
.feature-media { position: relative; }
.feature-media .ph { aspect-ratio: 4 / 3.1; overflow: hidden; background: var(--paper-2); }
.feature-media .ph img { width: 100%; height: 100%; object-fit: cover; }
.feature-media .inset {
  position: absolute; right: -1px; bottom: -1px; width: 42%; aspect-ratio: 1; overflow: hidden;
  border: 8px solid var(--paper); background: var(--paper);
}
.feature-media .inset img { width: 100%; height: 100%; object-fit: cover; }
.spec { margin: 28px 0 32px; border-top: 1px solid var(--line-strong); }
.spec div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.spec dt { font: 500 11.5px/1.6 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.spec dd { margin: 0; font-size: 15.5px; color: var(--ink); line-height: 1.5; }
.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line-strong); }
.stat-row > div { padding: 18px 16px 18px 0; border-bottom: 1px solid var(--line); }
.stat-row strong { display: block; font: 600 clamp(28px, 3vw, 40px)/1 var(--f-display); font-stretch: 112%; letter-spacing: -.025em; color: var(--ink); }
.stat-row span { display: block; margin-top: 8px; font: 400 11.5px/1.4 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
@media (min-width: 720px) { .stat-row--4 { grid-template-columns: repeat(4, 1fr); } .stat-row--3 { grid-template-columns: repeat(3, 1fr); } }

/* ---------------------------------------------------------------- process */
.process { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
@media (min-width: 900px) { .process { grid-template-columns: repeat(4, minmax(0, 1fr)); column-gap: 48px; } }
.step { position: relative; padding: 28px 0 32px; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) {
  .step { padding: 28px 0 8px; border-bottom: 0; }
  .step + .step::before { content: ""; position: absolute; left: -24px; top: 0; bottom: 0; width: 1px; background: var(--line); }
}
.step-n { font: 500 12px/1 var(--f-mono); letter-spacing: .1em; color: var(--teal); }
.step-n::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 10px; background: var(--teal); vertical-align: 1px; }
.step h3 { font-size: 26px; margin: 18px 0 12px; }
.step p { font-size: 15.5px; color: var(--muted); }
.step .ph { margin-top: 22px; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.step .ph img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) contrast(1.02); transition: filter var(--t-med), transform 900ms var(--ease-out); }
.step:hover .ph img { filter: none; transform: scale(1.03); }

/* ---------------------------------------------------------------- cards */
.grid { display: grid; gap: clamp(20px, 2.4vw, 32px); }
@media (min-width: 640px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } .grid--4 { grid-template-columns: repeat(4, 1fr); } }

.card { position: relative; display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.card .ph { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.card:hover .ph img { transform: scale(1.04); }
.card-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; margin-top: 18px; font: 500 11.5px/1.4 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.card-meta .sec { color: var(--teal); }
.card h3 { font-size: clamp(20px, 1.7vw, 24px); line-height: 1.15; margin-top: 10px; letter-spacing: -.015em; }
.card p { margin-top: 10px; font-size: 15.5px; color: var(--muted); line-height: 1.55; }
.card .go {
  position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--paper); color: var(--ink); opacity: 0; transform: translate(-6px, 6px);
  transition: opacity var(--t-med), transform var(--t-med) var(--ease-out);
}
.card .go svg { width: 18px; height: 18px; transform: rotate(-45deg); }
.card:hover .go, .card:focus-visible .go { opacity: 1; transform: none; }
.card:focus-visible { outline-offset: 6px; }

/* sector tiles */
.sector-grid { display: grid; gap: 12px; }
@media (min-width: 640px) { .sector-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sector-grid { grid-template-columns: repeat(4, 1fr); } }
.sector-tile {
  position: relative; display: flex; flex-direction: column; min-height: clamp(300px, 26vw, 380px); padding: 22px;
  background: var(--night); text-decoration: none; color: #fff; overflow: hidden; isolation: isolate;
}
.sector-tile .n { font: 500 11.5px/1 var(--f-mono); letter-spacing: .1em; color: rgba(255,255,255,.78); }
.sector-tile h3 { margin-top: auto; font-size: clamp(22px, 2vw, 28px); color: #fff; }
.sector-tile p { margin-top: 10px; font-size: 15px; color: rgba(255,255,255,.84); line-height: 1.5; max-width: 30ch; }
.sector-tile .bg { position: absolute; inset: 0; z-index: -1; }
.sector-tile .bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: transform 1200ms var(--ease-out), filter var(--t-med); }
.sector-tile .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,15,44,.2) 0%, rgba(5,15,44,.35) 40%, rgba(5,15,44,.9) 100%); transition: opacity var(--t-med); }
.sector-tile .arrow { position: absolute; top: 18px; right: 18px; width: 20px; height: 20px; transform: rotate(-45deg); transition: transform var(--t-med) var(--ease-out), color var(--t-fast); }
.sector-tile::before { content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--volt); transform: scaleX(0); transform-origin: left; transition: transform var(--t-med) var(--ease-out); z-index: 1; }
@media (hover: hover) {
  .sector-tile:hover .bg img { transform: scale(1.06); filter: saturate(1); }
  .sector-tile:hover .arrow { transform: rotate(0); color: var(--volt); }
  .sector-tile:hover::before { transform: scaleX(1); }
}
.sector-tile:focus-visible { outline-offset: 3px; }

/* ---------------------------------------------------------------- quote */
.quote-block { display: grid; gap: 32px; }
@media (min-width: 1024px) { .quote-block { grid-template-columns: 3fr 9fr; gap: 72px; } }
.quote-block blockquote { margin: 0; }
.quote-block blockquote p {
  font: 500 clamp(26px, 3.2vw, 44px)/1.18 var(--f-display); font-stretch: 106%; letter-spacing: -.02em; color: var(--ink);
  text-indent: -.45em;
}
.on-night .quote-block blockquote p { color: #fff; }
.quote-block footer { margin-top: 28px; display: flex; align-items: center; gap: 14px; font-size: 15px; }
.quote-block footer b { display: block; color: var(--ink); font-weight: 600; }
.on-night .quote-block footer b { color: #fff; }
.quote-block footer span { color: var(--muted); }
.on-night .quote-block footer span { color: var(--on-night-muted); }
.quote-block footer::before { content: ""; width: 36px; height: 1px; background: currentColor; opacity: .5; }

/* ---------------------------------------------------------------- accreditations */
.accred { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 720px) { .accred { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .accred { grid-template-columns: repeat(7, minmax(0, 1fr)); } }
.accred li { list-style: none; background: var(--paper); padding: 20px 18px; min-height: 104px; display: flex; flex-direction: column; justify-content: space-between; }
.accred b { font: 700 clamp(15px, 1.2vw, 17px)/1.15 var(--f-display); font-stretch: 104%; color: var(--ink); letter-spacing: -.01em; hyphens: auto; -webkit-hyphens: auto; overflow-wrap: break-word; }
.accred span { font: 400 11px/1.4 var(--f-mono); letter-spacing: .04em; color: var(--muted); text-transform: uppercase; margin-top: 10px; }
.accred-wrap { margin: 0; padding: 0; }

/* ---------------------------------------------------------------- CTA band */
.cta-band { position: relative; overflow: hidden; }
.cta-inner { position: relative; z-index: 1; display: grid; gap: 36px; padding-top: clamp(72px, 9vw, 128px); padding-bottom: clamp(72px, 9vw, 128px); }
@media (min-width: 1024px) { .cta-inner { grid-template-columns: 8fr 4fr; align-items: end; gap: 64px; } }
.cta-band h2 { font-size: clamp(38px, 5.6vw, 84px); line-height: .96; letter-spacing: -.035em; }
.cta-contact { display: grid; gap: 10px; margin-top: 28px; }
.cta-contact a { display: inline-flex; align-items: center; gap: 12px; color: var(--on-night); text-decoration: none; font: 500 16px/1.3 var(--f-mono); }
.cta-contact a:hover { color: var(--volt); }
.cta-contact svg { width: 18px; height: 18px; color: var(--volt); }
.cta-band .glow {
  position: absolute; right: -10%; top: -40%; width: 60%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(4, 94, 119, .55), transparent);
  pointer-events: none;
}

/* ---------------------------------------------------------------- footer */
.site-footer { background: var(--night); color: var(--on-night-muted); padding: clamp(56px, 7vw, 96px) 0 28px; border-top: 1px solid var(--night-line); }
.site-footer a { color: var(--on-night); text-decoration: none; }
.site-footer a:hover { color: var(--volt); }
.footer-top { display: grid; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--night-line); }
@media (min-width: 900px) { .footer-top { grid-template-columns: 4fr 2fr 2fr 3fr; gap: 48px; } }
.site-footer .brand { color: #fff; }
.footer-blurb { margin-top: 22px; font-size: 15px; max-width: 34ch; line-height: 1.6; }
.footer-col h2 { font: 500 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--on-night-muted); margin-bottom: 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.footer-col li a { display: inline-block; padding: 5px 0; font-size: 15px; }
.footer-col address { font-style: normal; font-size: 15px; line-height: 1.7; color: var(--on-night); }
.footer-contact { margin-top: 16px; display: grid; gap: 6px; font-family: var(--f-mono); font-size: 14px; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-top: 24px; font: 400 12px/1.6 var(--f-mono); letter-spacing: .02em; }
.footer-bottom ul { list-style: none; display: flex; gap: 20px; margin: 0; padding: 0; }

/* ---------------------------------------------------------------- page head (inner) */
.page-head { padding: clamp(36px, 5vw, 64px) 0 clamp(48px, 6vw, 88px); border-bottom: 1px solid var(--line); }
.crumbs { margin-bottom: clamp(28px, 4vw, 48px); }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font: 400 12px/1.4 var(--f-mono); letter-spacing: .04em; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 6px; opacity: .6; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs [aria-current] { color: var(--ink); }
.page-head-grid { display: grid; gap: 28px; }
@media (min-width: 1024px) { .page-head-grid { grid-template-columns: 7fr 5fr; gap: 72px; align-items: end; } }
.page-head h1 { font-size: clamp(42px, 6.4vw, 96px); line-height: .95; letter-spacing: -.035em; }
.page-head .lede { margin: 0; }
.page-head--image { border-bottom: 0; }
.page-head-media { margin-top: clamp(40px, 5vw, 64px); position: relative; }
.page-head-media .ph { aspect-ratio: 21 / 8; overflow: hidden; background: var(--paper-2); }
.page-head-media .ph img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 720px) { .page-head-media .ph { aspect-ratio: 4 / 3; } }

/* ---------------------------------------------------------------- split / prose */
.split { display: grid; gap: 40px; }
@media (min-width: 1024px) { .split { grid-template-columns: 5fr 7fr; gap: 80px; } .split--rev { grid-template-columns: 7fr 5fr; } }
.prose { max-width: 68ch; }
.prose p { font-size: 17.5px; line-height: 1.72; color: var(--text); }
.prose p.lede { font-size: clamp(19px, 1.6vw, 22px); line-height: 1.5; color: var(--ink); margin-bottom: 1.2em; }
.on-night .prose p { color: var(--on-night); }
.sticky-col { align-self: start; }
@media (min-width: 1024px) { .sticky-col { position: sticky; top: 112px; } }

.media-ph { overflow: hidden; background: var(--paper-2); }
.media-ph img { width: 100%; height: 100%; object-fit: cover; }

/* services detail rows */
.svc-row { display: grid; gap: 32px; padding: clamp(48px, 6vw, 88px) 0; border-top: 1px solid var(--line); }
.svc-row:first-of-type { border-top: 0; }
@media (min-width: 1024px) {
  .svc-row { grid-template-columns: 1fr 5fr 6fr; gap: 56px; align-items: start; }
}
.svc-n { font: 500 13px/1 var(--f-mono); letter-spacing: .1em; color: var(--teal); padding-top: 10px; }
.svc-row h2 { font-size: clamp(34px, 4vw, 56px); margin-bottom: 18px; }
.svc-row .ph { aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-2); }
.svc-row .ph img { width: 100%; height: 100%; object-fit: cover; }

/* FAQ */
.faq { border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 24px 0; cursor: pointer; font: 600 clamp(19px, 1.6vw, 22px)/1.3 var(--f-display); font-stretch: 106%; color: var(--ink); letter-spacing: -.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { flex-shrink: 0; width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; transition: transform var(--t-med) var(--ease-out), background var(--t-fast); }
.faq summary .ic svg { width: 14px; height: 14px; }
.faq details[open] summary .ic { transform: rotate(45deg); background: var(--ink); color: #fff; border-color: var(--ink); }
.faq summary:hover { color: var(--teal); }
.faq .ans { padding: 0 0 28px; max-width: 70ch; color: var(--muted); font-size: 16.5px; }

/* ---------------------------------------------------------------- projects index */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px;
  border: 1px solid var(--line-strong); border-radius: 999px; background: transparent; cursor: pointer;
  font: 500 14px/1 var(--f-body); color: var(--ink-soft); transition: all var(--t-fast);
}
.chip .count { font: 500 11px/1 var(--f-mono); color: var(--muted); }
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip[aria-pressed="true"] .count { color: var(--volt); }
.results-note { font: 400 13px/1.4 var(--f-mono); color: var(--muted); margin: -16px 0 32px; }
.card[hidden] { display: none; }

/* ---------------------------------------------------------------- project page */
.proj-hero { position: relative; }
.proj-hero .ph { aspect-ratio: 21 / 9; max-height: 72vh; width: 100%; overflow: hidden; background: var(--night); }
.proj-hero .ph img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 720px) { .proj-hero .ph { aspect-ratio: 4 / 3; } }
.proj-hero .mosaic { display: grid; gap: 12px; }
.proj-hero .mosaic .ph { aspect-ratio: 4 / 3; max-height: none; }
@media (min-width: 720px) { .proj-hero .mosaic { grid-template-columns: 1fr 1fr; } }
.proj-layout { display: grid; gap: 48px; }
@media (min-width: 1024px) { .proj-layout { grid-template-columns: 7fr 4fr; gap: 88px; } }
.specsheet { border: 1px solid var(--line-strong); background: var(--card); }
.specsheet-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--line-strong); font: 500 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink); background: var(--paper-2); }
.specsheet dl { margin: 0; }
.specsheet dl div { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 13px 20px; border-bottom: 1px solid var(--line); }
.specsheet dt { font: 500 11px/1.6 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.specsheet dd { margin: 0; font-size: 15px; line-height: 1.5; color: var(--ink); }
.specsheet dd a { color: var(--teal); }
.specsheet .btn { margin: 20px; width: calc(100% - 40px); }
.works { columns: 1; column-gap: 40px; margin-top: 8px; }
.works .ticklist { margin-top: 0; }
@media (min-width: 720px) { .works { columns: 2; } }
.works li { break-inside: avoid; }
.pull { margin: 48px 0; padding: 32px 0 0; border-top: 1px solid var(--line-strong); }
.pull p { font: 500 clamp(22px, 2.2vw, 30px)/1.28 var(--f-display); font-stretch: 104%; letter-spacing: -.015em; color: var(--ink); text-indent: -.4em; }
.pull footer { margin-top: 18px; font-size: 14.5px; color: var(--muted); }
.pull footer b { color: var(--ink); font-weight: 600; }

.gallery { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
.gallery button { all: unset; cursor: zoom-in; display: block; overflow: hidden; aspect-ratio: 4 / 3; background: var(--paper-2); position: relative; }
.gallery button:focus-visible { outline: 3px solid var(--teal-bright); outline-offset: 3px; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.gallery button:hover img { transform: scale(1.04); }
.gallery .wide { grid-column: span 2; aspect-ratio: auto; }
.gallery .wide img { position: absolute; inset: 0; }
@media (max-width: 899px) { .gallery .wide { aspect-ratio: 16 / 9; } }

.pager { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); }
.pager a { display: block; padding: 28px 0; text-decoration: none; color: var(--ink); }
.pager a + a { text-align: right; border-left: 1px solid var(--line); }
.pager small { display: block; font: 500 11.5px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.pager span { font: 600 clamp(17px, 1.8vw, 24px)/1.2 var(--f-display); font-stretch: 108%; letter-spacing: -.015em; }
.pager a:hover span { color: var(--teal); }
.pager a:first-child { padding-right: 20px; }
.pager a + a { padding-left: 20px; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: var(--z-dialog); background: rgba(5, 15, 44, .94); display: none; align-items: center; justify-content: center; padding: 64px 16px; }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: min(1400px, 100%); max-height: 100%; object-fit: contain; }
.lb-btn { position: absolute; width: 52px; height: 52px; display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); color: #fff; cursor: pointer; border-radius: 50%; }
.lb-btn:hover { background: rgba(255,255,255,.18); }
.lb-btn svg { width: 22px; height: 22px; }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 16px; top: 50%; transform: translateY(-50%); }
.lb-count { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: var(--on-night-muted); font: 400 12px/1 var(--f-mono); letter-spacing: .1em; }

/* ---------------------------------------------------------------- renewables */
.offer { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
@media (min-width: 900px) { .offer { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 56px; } }
.offer-item { position: relative; padding: 32px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .offer-item { padding: 36px 0; border-bottom: 0; } .offer-item + .offer-item::before { content: ""; position: absolute; left: -28px; top: 0; bottom: 0; width: 1px; background: var(--line); } }
.offer-item .ph { aspect-ratio: 4 / 3; overflow: hidden; margin-bottom: 24px; background: var(--paper-2); }
.offer-item .ph img { width: 100%; height: 100%; object-fit: cover; }
.offer-item h3 { font-size: 26px; margin-bottom: 12px; }
.offer-item p { font-size: 16px; color: var(--muted); }
.badge {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; padding: 6px 10px;
  border: 1px solid var(--line-strong); font: 500 11px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink);
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }

.steps-h { counter-reset: s; display: grid; gap: 0; }
@media (min-width: 900px) { .steps-h { grid-template-columns: repeat(5, 1fr); } }
.steps-h li { list-style: none; counter-increment: s; padding: 24px 20px 24px 0; border-top: 1px solid var(--night-line); }
@media (min-width: 900px) { .steps-h li { border-top: 0; border-left: 1px solid var(--night-line); padding: 8px 24px 8px; } .steps-h li:first-child { border-left: 0; padding-left: 0; } }
.steps-h li::before { content: counter(s, decimal-leading-zero); display: block; font: 500 12px/1 var(--f-mono); letter-spacing: .1em; color: var(--volt); margin-bottom: 16px; }
.steps-h b { display: block; color: #fff; font: 600 20px/1.2 var(--f-display); font-stretch: 108%; margin-bottom: 8px; }
.steps-h span { color: var(--on-night-muted); font-size: 15px; line-height: 1.5; display: block; }
.steps-h { margin: 0; padding: 0; }

/* ---------------------------------------------------------------- about */
.principles { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 720px) { .principles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .principles { grid-template-columns: repeat(4, 1fr); } }
.principles div { background: var(--paper); padding: 28px 24px 32px; min-height: 240px; display: flex; flex-direction: column; }
.principles .n { font: 500 12px/1 var(--f-mono); color: var(--teal); letter-spacing: .1em; }
.principles h3 { margin-top: auto; font-size: 24px; margin-bottom: 10px; }
.principles p { font-size: 15.5px; color: var(--muted); }
.people { display: grid; gap: 0; border-top: 1px solid var(--line-strong); }
@media (min-width: 900px) { .people { grid-template-columns: repeat(3, 1fr); } }
.person { padding: 28px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 900px) { .person { padding: 32px 32px 32px 0; border-bottom: 0; } .person + .person { padding-left: 32px; border-left: 1px solid var(--line); } }
.person .initials { width: 64px; height: 64px; display: grid; place-items: center; background: var(--ink); color: #fff; font: 600 20px/1 var(--f-display); font-stretch: 112%; margin-bottom: 22px; }
.person h3 { font-size: 22px; }
.person .role { font: 500 12px/1.5 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--teal); margin: 6px 0 16px; }
.person blockquote { margin: 0; font-size: 15.5px; color: var(--muted); line-height: 1.6; }
.partners-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.partners-list li { padding: 10px 16px; border: 1px solid var(--line-strong); font: 500 15px/1.2 var(--f-body); color: var(--ink); background: var(--card); }

/* ---------------------------------------------------------------- careers */
.job { border: 1px solid var(--line-strong); background: var(--card); }
.job-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; padding: 28px; border-bottom: 1px solid var(--line); }
.job-head h3 { font-size: clamp(26px, 2.6vw, 34px); }
.job-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.job-body { display: grid; gap: 32px; padding: 28px; }
@media (min-width: 900px) { .job-body { grid-template-columns: 1fr 1fr; gap: 48px; } }
.job-body h4 { font: 500 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.job-foot { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; padding: 22px 28px; border-top: 1px solid var(--line); background: var(--paper-2); }
.job-foot small { color: var(--muted); font-size: 13.5px; }

/* ---------------------------------------------------------------- contact form */
.contact-grid { display: grid; gap: 48px; }
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 7fr 4fr; gap: 80px; } }
.form { display: grid; gap: 22px; }
.form-row { display: grid; gap: 22px; }
@media (min-width: 640px) { .form-row--2 { grid-template-columns: 1fr 1fr; } }
.field label, .field legend { display: block; font: 500 14px/1.3 var(--f-body); color: var(--ink); margin-bottom: 8px; padding: 0; }
.field .req { color: var(--teal); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 52px; padding: 13px 16px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--card); color: var(--ink); font: 400 16px/1.4 var(--f-body);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field textarea { min-height: 150px; resize: vertical; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23061743' stroke-width='1.6' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 44px; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(10, 127, 160, .22); }
.field .hint { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.field .err { display: none; margin-top: 6px; font-size: 13.5px; color: #B42318; font-weight: 500; }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #B42318; }
.field.has-error .err { display: block; }
fieldset.field { border: 0; margin: 0; padding: 0; min-width: 0; }
.checks { display: flex; flex-wrap: wrap; gap: 10px; }
.check { position: relative; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check span {
  display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 16px;
  border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--card); cursor: pointer; font-size: 15px; color: var(--ink);
  transition: all var(--t-fast);
}
.check span::before { content: ""; width: 16px; height: 16px; border: 1px solid var(--line-strong); border-radius: 2px; background: #fff; }
.check input:checked + span { border-color: var(--ink); background: var(--ink); color: #fff; }
.check input:checked + span::before { background: var(--volt) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23061743' stroke-width='3' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat; border-color: var(--volt); }
.check input:focus-visible + span { outline: 3px solid var(--teal-bright); outline-offset: 2px; }
.form-foot { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; padding-top: 6px; }
.form-foot small { color: var(--muted); font-size: 13.5px; max-width: 46ch; }
.btn[aria-busy="true"] { opacity: .7; pointer-events: none; }
.error-summary { display: none; padding: 16px 18px; border: 1px solid #B42318; background: #FEF3F2; color: #7A271A; font-size: 15px; }
.error-summary.is-shown { display: block; }
.error-summary ul { margin: 8px 0 0; padding-left: 18px; }
.error-summary a { color: #7A271A; }
.form-success { display: none; padding: 40px 32px; border: 1px solid var(--line-strong); background: var(--card); }
.form-success.is-shown { display: block; }
.form-success .tick { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--volt); color: var(--ink); margin-bottom: 22px; }
.form-success .tick svg { width: 26px; height: 26px; }
.contact-card { border: 1px solid var(--line-strong); background: var(--card); }
.contact-card > div { padding: 22px 24px; border-bottom: 1px solid var(--line); }
.contact-card > div:last-child { border-bottom: 0; }
.contact-card h3 { font: 500 11.5px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; font-stretch: 100%; }
.contact-card a.big { display: block; font: 600 22px/1.2 var(--f-display); font-stretch: 108%; color: var(--ink); text-decoration: none; letter-spacing: -.01em; word-break: break-word; }
.contact-card a.big:hover { color: var(--teal); }
.contact-card address { font-style: normal; color: var(--ink); line-height: 1.6; }

/* ---------------------------------------------------------------- misc */
.divider-label { display: flex; align-items: center; gap: 16px; font: 500 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 28px; }
.divider-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.notfound { min-height: 60vh; display: grid; align-content: center; }
.legal h2 { font-size: 26px; margin: 40px 0 14px; }
.legal p, .legal li { color: var(--text); max-width: 72ch; }
.tagline-row { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.tag-pill { padding: 7px 12px; border: 1px solid var(--line-strong); border-radius: 999px; font: 500 13px/1 var(--f-body); color: var(--ink-soft); text-decoration: none; }
a.tag-pill:hover { border-color: var(--ink); color: var(--ink); }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal-d1 { transition-delay: 80ms; } .js .reveal-d2 { transition-delay: 160ms; } .js .reveal-d3 { transition-delay: 240ms; }

/* hero intro */
.js .hero-title .line { opacity: 0; transform: translateY(.35em); animation: rise 900ms var(--ease-out) forwards; }
.js .hero-title .line:nth-child(2) { animation-delay: 90ms; }
.js .hero-title .line:nth-child(3) { animation-delay: 180ms; }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .js .reveal, .js .hero-title .line { opacity: 1; transform: none; }
}

@media print {
  .site-header, .site-footer, .cta-band, .mobile-menu { display: none; }
  body { background: #fff; }
}

/* ================================================================ WOW LAYER */

/* page transitions (cross-document, progressive) */
@view-transition { navigation: auto; }
.site-header { view-transition-name: site-header; }
::view-transition-old(root) { animation: vt-out 220ms cubic-bezier(.4, 0, 1, 1) both; }
::view-transition-new(root) { animation: vt-in 420ms var(--ease-out) both; }
@keyframes vt-out { to { opacity: 0; transform: translateY(-8px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(14px); } }

/* scroll progress under header */
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--teal-bright));
  transform: scaleX(var(--progress, 0)); transform-origin: left; pointer-events: none;
}

/* hero crosshair */
.xh { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0; transition: opacity var(--t-med); }
.figure-frame .ph.is-tracking .xh { opacity: 1; }
.xh-v, .xh-h { position: absolute; background: rgba(200, 240, 60, .55); }
.xh-v { top: 0; bottom: 0; width: 1px; left: 0; transform: translateX(var(--x, 50%)); }
.xh-h { left: 0; right: 0; height: 1px; top: 0; transform: translateY(var(--y, 50%)); }
.xh-read {
  position: absolute; left: 0; top: 0; transform: translate(calc(var(--x, 50%) + 14px), calc(var(--y, 50%) + 14px));
  font-size: 11px; letter-spacing: .08em; color: var(--volt); background: rgba(5, 15, 44, .72); padding: 5px 8px; white-space: nowrap;
  border: 1px solid rgba(200, 240, 60, .35);
}
.figure-frame .ph img { transition: transform 1600ms var(--ease-out); }
.figure-frame .ph:hover img { transform: scale(1.025); }
@media (hover: none) { .xh { display: none; } }

/* schematic */
.schem { margin-top: clamp(56px, 7vw, 96px); }
.schem-head { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-bottom: 24px; }
.schem .divider-label { color: var(--on-night-muted); }
.schem .divider-label::after { background: var(--night-line); }
.schem-legend { display: flex; gap: 8px; }
.leg {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px;
  background: transparent; border: 1px solid var(--night-line); border-radius: 999px; cursor: pointer;
  color: var(--on-night); font: 500 13px/1 var(--f-body); transition: all var(--t-fast);
}
.leg b { font: 600 12px/1 var(--f-mono); color: var(--volt); }
.leg:hover { border-color: rgba(255,255,255,.4); }
.leg[aria-pressed="true"] { background: var(--volt); border-color: var(--volt); color: var(--ink); }
.leg[aria-pressed="true"] b { color: var(--ink); }
.schem-scroll { position: relative; border: 1px solid var(--night-line); background: rgba(10, 26, 69, .45); padding: clamp(12px, 2vw, 28px); }
.schem svg { display: block; width: 100%; height: auto; overflow: visible; }
.schem-hint { display: none; margin-top: 10px; color: var(--on-night-muted); font-size: 12px; }
@media (max-width: 760px) {
  .schem-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; }
  .schem svg { width: 900px; max-width: none; }
  .schem-hint { display: block; }
}
.wire { fill: none; stroke: rgba(238, 241, 247, .28); stroke-width: 1.6; stroke-dasharray: 1; stroke-dashoffset: 1; }
.schem.in .wire { stroke-dashoffset: 0; transition: stroke-dashoffset 1100ms var(--ease-out) var(--d), stroke var(--t-med), opacity var(--t-med); }
.node { opacity: 0; transition: opacity 600ms var(--ease-out) var(--d); }
.schem.in .node { opacity: 1; }
.node rect { fill: #0A1A45; stroke: rgba(238, 241, 247, .26); stroke-width: 1; transition: stroke var(--t-med), fill var(--t-med); }
.n-label { font: 600 15px var(--f-display); font-stretch: 108%; fill: #fff; letter-spacing: -.01em; }
.n-sub { font: 400 10.5px var(--f-mono); fill: var(--on-night-muted); letter-spacing: .04em; }
.n-tag { font: 600 11px var(--f-mono); fill: var(--volt); }
.pulse { fill: var(--volt); opacity: 0; filter: drop-shadow(0 0 4px rgba(200, 240, 60, .9)); transition: opacity 400ms; }
.schem.in .pulse { opacity: 1; transition-delay: 1.4s; }
.schem.in .wire { stroke: rgba(200, 240, 60, .38); }
/* focus a discipline */
.schem[data-focus] .node, .schem[data-focus] .wire, .schem[data-focus] .pulse { opacity: .14; transition-delay: 0s; }
.schem[data-focus="M"] [data-tag="M"], .schem[data-focus="E"] [data-tag="E"], .schem[data-focus="R"] [data-tag="R"] { opacity: 1; }
.schem[data-focus="M"] .node[data-tag="M"] rect, .schem[data-focus="E"] .node[data-tag="E"] rect, .schem[data-focus="R"] .node[data-tag="R"] rect { stroke: var(--volt); fill: #10265C; }
.schem[data-focus] .wire[data-tag] { stroke: rgba(238, 241, 247, .28); }
.schem[data-focus="M"] .wire[data-tag="M"], .schem[data-focus="E"] .wire[data-tag="E"], .schem[data-focus="R"] .wire[data-tag="R"] { stroke: var(--volt); }
.mer-col { transition: opacity var(--t-med); }
.mer-grid.has-focus .mer-col:not(.is-focus) { opacity: .4; }

/* project reel */
.reel { position: relative; padding: var(--section) 0 calc(var(--section) * .7); }
.reel-viewport { overflow: hidden; }
.reel-track { display: flex; gap: clamp(16px, 2vw, 28px); padding: 0 var(--gutter); will-change: transform; }
.reel-track { padding-left: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter))); padding-right: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter))); }
.reel-card { flex: 0 0 clamp(280px, 32vw, 460px); display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.reel-card .ph { position: relative; aspect-ratio: 4 / 3.2; overflow: hidden; background: var(--paper-2); }
.reel-card .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform 900ms var(--ease-out); }
.reel-card:hover .ph img { transform: scale(1.05); }
.reel-n { position: absolute; left: 12px; top: 12px; padding: 6px 9px; background: var(--paper); font: 500 11px/1 var(--f-mono); letter-spacing: .1em; color: var(--ink); }
.reel-card h3 { font-size: clamp(20px, 1.8vw, 26px); margin-top: 10px; }
.reel-card p { margin-top: 10px; font-size: 15.5px; color: var(--muted); max-width: 42ch; }
.reel-card h3 { transition: color var(--t-fast); }
.reel-card:hover h3 { color: var(--teal); }
.reel-end {
  flex-basis: clamp(240px, 22vw, 320px); justify-content: flex-end; gap: 14px; padding: 28px;
  background: var(--ink); color: #fff; aspect-ratio: 4 / 3.2; align-self: flex-start;
}
.reel-end .mono { color: var(--volt); text-transform: uppercase; letter-spacing: .1em; font-size: 12px; }
.reel-end strong { font: 600 clamp(26px, 2.4vw, 34px)/1.05 var(--f-display); font-stretch: 112%; letter-spacing: -.02em; }
.reel-end svg { width: 28px; height: 28px; color: var(--volt); transition: transform var(--t-med) var(--ease-out); }
.reel-end:hover svg { transform: translateX(6px); }
.reel-progress { height: 2px; background: var(--line); margin-top: 36px; overflow: hidden; }
.reel-progress span { display: block; height: 100%; width: 100%; background: var(--ink); transform: scaleX(var(--rp, .12)); transform-origin: left; }
/* pinned mode (set by JS on wide screens) */
.reel.is-pinned { padding: 0; }
.reel.is-pinned .reel-sticky { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; padding-top: 80px; }
.reel.is-pinned .section-head { margin-bottom: clamp(28px, 3.5vw, 48px); }
/* swipe mode */
.reel:not(.is-pinned) .reel-viewport { overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.reel:not(.is-pinned) .reel-viewport::-webkit-scrollbar { display: none; }
.reel:not(.is-pinned) .reel-card { scroll-snap-align: start; scroll-margin-left: var(--gutter); }
@media (max-width: 640px) { .reel-card { flex-basis: 82vw; } }

/* solar calculator */
.calc { display: grid; gap: 32px; }
@media (min-width: 1024px) { .calc { grid-template-columns: 5fr 7fr; gap: 56px; } }
.calc-in { display: grid; gap: 26px; align-content: start; }
.seg { display: inline-flex; border: 1px solid var(--night-line); padding: 4px; margin: 0; border-radius: 999px; width: max-content; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: inline-flex; align-items: center; min-height: 42px; padding: 0 22px; border-radius: 999px; cursor: pointer; font: 500 15px/1 var(--f-body); color: var(--on-night); transition: all var(--t-fast); }
.seg input:checked + span { background: var(--volt); color: var(--ink); }
.seg input:focus-visible + span { outline: 3px solid var(--volt); outline-offset: 2px; }
.rng label { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; font: 500 15px/1.3 var(--f-body); color: var(--on-night); margin-bottom: 14px; }
.rng output { font: 500 15px/1 var(--f-mono); color: var(--volt); white-space: nowrap; }
.rng input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer; }
.rng input[type=range]::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--volt) var(--fill, 50%), rgba(238,241,247,.2) var(--fill, 50%)); }
.rng input[type=range]::-moz-range-track { height: 2px; background: rgba(238,241,247,.2); }
.rng input[type=range]::-moz-range-progress { height: 2px; background: var(--volt); }
.rng input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -10px; border-radius: 50%; background: var(--volt); border: 4px solid var(--night); box-shadow: 0 0 0 1px var(--volt); transition: transform var(--t-fast); }
.rng input[type=range]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--volt); border: 4px solid var(--night); box-shadow: 0 0 0 1px var(--volt); }
.rng input[type=range]:active::-webkit-slider-thumb { transform: scale(1.15); }
.rng input[type=range]:focus-visible { outline: 3px solid var(--volt); outline-offset: 4px; }
.calc-note { font-size: 13px; line-height: 1.6; color: var(--on-night-muted); border-top: 1px solid var(--night-line); padding-top: 18px; }
.calc-out { border: 1px solid var(--night-line); background: rgba(10, 26, 69, .55); padding: clamp(20px, 2.5vw, 32px); display: grid; gap: 26px; align-content: start; }
.calc-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--night-line); border: 1px solid var(--night-line); }
@media (min-width: 640px) { .calc-kpis { grid-template-columns: repeat(3, 1fr); } }
.calc-kpis > div { background: #08163D; padding: 18px; min-width: 0; }
.calc-kpis span { display: block; font: 500 11px/1.3 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--on-night-muted); }
.calc-kpis strong { display: block; margin-top: 12px; font: 600 clamp(26px, 2.6vw, 38px)/1 var(--f-display); font-stretch: 110%; letter-spacing: -.02em; color: #fff; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calc-kpis em { display: block; margin-top: 6px; font: 400 12px/1.3 var(--f-mono); font-style: normal; color: var(--on-night-muted); }
.calc-kpis > div:nth-child(4) strong { color: var(--volt); }
.calc-roof { position: relative; padding: 18px; border: 1px dashed rgba(238,241,247,.2); background:
  repeating-linear-gradient(135deg, rgba(238,241,247,.03) 0 8px, transparent 8px 16px); }
.calc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(22px, 1fr)); gap: 5px; }
.calc-grid i { display: block; aspect-ratio: 1 / 1.55; background: linear-gradient(160deg, #1E4E8C, #0B2A5B); border: 1px solid rgba(124, 180, 255, .35); position: relative; overflow: hidden; animation: panel-in 380ms var(--ease-out) both; animation-delay: calc(var(--i) * 6ms); }
.calc-grid i::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 48%, rgba(124,180,255,.35) 50%, transparent 52%), linear-gradient(90deg, transparent 48%, rgba(124,180,255,.25) 50%, transparent 52%); }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px) scale(.9); } }
.calc-more { position: absolute; right: 12px; bottom: -11px; padding: 3px 8px; background: var(--night); color: var(--volt); font-size: 11px; letter-spacing: .08em; }
.calc-more:empty { display: none; }
.calc-out .btn { justify-self: start; }

@media (prefers-reduced-motion: reduce) {
  .pulse { display: none; }
  .wire { stroke-dashoffset: 0; }
  .node { opacity: 1; }
  .calc-grid i { animation: none; }
  @view-transition { navigation: none; }
}

@media (min-width: 1024px) and (max-height: 860px) {
  .reel.is-pinned .reel-card p, .reel.is-pinned .section-head .lede { display: none; }
  .reel.is-pinned .reel-card .ph { aspect-ratio: 16 / 10; }
}