/* Differ Solar — page styles. Values lifted 1:1 from the original inline styles;
   breakpoints follow the handoff README (>=1024 as designed, 768–1023, <768). */
:root {
  --paper: #F5F3EE;
  --surface: #FFFFFF;
  --ink: #0F1411;
  --ink-2: #3A423D;
  --ink-3: #5C6660;
  --ink-body: #4A524C;
  --ink-fine: #75705F;
  --rule: #DAD6CC;
  --yellow: #FFC629;
  --yellow-ink: #241F00;
  --yellow-label: #6B5A0F;
  --amber: #8A6A00;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --display: 'Space Grotesk', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --gutter: 48px;
  --sec-gap: 104px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--amber); }
a:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
h1, h2, h3 { margin: 0; }
p { margin: 0; }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 50; }
.skip:focus { left: 8px; color: var(--paper); }

.wrap { max-width: 1240px; margin: 0 auto; }
.sec { padding: var(--sec-gap) var(--gutter) 0; }
.sec--hero { padding-top: 96px; }
.sec--tight { padding-top: 16px; }
.mt-32 { margin-top: 32px; }
.mt-34 { margin-top: 34px; }
.mt-36 { margin-top: 36px; }

/* ---------- header ---------- */
.site-head { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 22px var(--gutter); border-bottom: 1px solid var(--rule); position: sticky; top: 0; background: rgba(245,243,238,0.94); backdrop-filter: blur(8px); z-index: 20; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14.5px; font-weight: 500; flex-wrap: wrap; justify-content: flex-end; }
.site-nav__div { width: 1px; align-self: stretch; min-height: 18px; background: var(--rule); }
.site-nav__off { color: var(--ink-3); font-weight: 400; }
.btn-line { border: 1px solid var(--ink); border-radius: 2px; padding: 9px 16px; font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.06em; text-transform: uppercase; }

/* ---------- type ---------- */
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-3); }
.eyebrow--y { color: var(--yellow-label); }
.label { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.label--y { color: var(--amber); }
.h2 { font-family: var(--display); font-size: clamp(30px, 3.4vw, 44px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; }
.h3 { font-family: var(--display); font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 10px; }
.body { font-size: 17px; line-height: 1.6; color: var(--ink-2); max-width: 74ch; margin: 26px 0 34px; }
.small { font-size: 15px; line-height: 1.6; color: var(--ink-body); }
.mono-note { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.mono-fine { font-family: var(--mono); font-size: 11.5px; line-height: 1.7; color: var(--ink-fine); }
.sec-rule { display: flex; align-items: baseline; justify-content: space-between; gap: 40px; border-bottom: 1px solid var(--ink); padding-bottom: 18px; flex-wrap: wrap; }

/* ---------- hero ---------- */
.hero-h1 { font-family: var(--display); font-weight: 600; font-size: clamp(46px, 6.6vw, 104px); line-height: 0.94; letter-spacing: -0.035em; max-width: 18ch; text-wrap: balance; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; align-items: end; margin-top: 44px; padding-bottom: 56px; }
.hero-lede { font-size: 19px; line-height: 1.55; color: var(--ink-2); max-width: 58ch; text-wrap: pretty; }
.hero-cta { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.btn-solid { background: var(--ink); color: var(--paper); padding: 16px 26px; border-radius: 2px; font-family: var(--mono); font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
.btn-solid:hover { color: var(--yellow); }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
.stats > div { padding: 28px 24px 30px; border-right: 1px solid var(--rule); }
.stats > div:first-child { padding-left: 0; }
.stats > div:last-child { border-right: 0; }
.stat-num { font-family: var(--display); font-size: 46px; font-weight: 500; letter-spacing: -0.03em; line-height: 1; }
.stats .label { margin-top: 10px; }

/* ---------- grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 36px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.fig { font-family: var(--display); font-size: 40px; font-weight: 500; letter-spacing: -0.03em; }
.fig-lab { letter-spacing: 0.12em; margin: 8px 0 16px; }

/* ---------- two ways ---------- */
.card { border: 1px solid var(--rule); background: var(--surface); padding: 40px 36px 44px; display: flex; flex-direction: column; gap: 20px; }
.card--y { border-color: var(--ink); background: var(--yellow); color: var(--yellow-ink); }
.card--y .label, .card--y dt { color: var(--yellow-label); }
.card-h { font-family: var(--display); font-size: 32px; font-weight: 600; letter-spacing: -0.025em; }
.card-p { font-size: 16.5px; line-height: 1.6; color: var(--ink-2); }
.card--y .card-p { color: var(--yellow-ink); }
.dl { margin: 8px 0 0; display: grid; grid-template-columns: auto 1fr; gap: 10px 20px; font-size: 14.5px; }
.dl dt { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); align-self: center; }
.dl dd { margin: 0; }
.card-foot { border-top: 1px solid var(--rule); padding-top: 16px; margin-top: auto; font-size: 14.5px; line-height: 1.55; color: var(--ink-2); }

/* ---------- system modes ---------- */
.cells { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.cells--3 { grid-template-columns: repeat(3, 1fr); }
.cells > div { background: var(--surface); padding: 32px 28px 36px; }
.mode-h { margin: 12px 0; }

/* ---------- economics ---------- */
.econ { display: grid; grid-template-columns: 1fr 1.25fr; gap: 56px; align-items: start; }
.econ .body { margin: 20px 0 24px; font-size: 16.5px; }
.rows { border-top: 1px solid var(--ink); }
.rows-head { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding: 14px 0; border-bottom: 1px solid var(--rule); }
.row { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--rule); font-size: 15.5px; line-height: 1.55; align-items: baseline; }
.row-lab { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- sectors ---------- */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-top: 0; }
.tile { background: var(--paper); padding: 30px 26px 34px; min-height: 190px; }
.tile .small { font-size: 14.5px; line-height: 1.55; }
.tile-n { font-family: var(--mono); font-size: 11px; color: #9A9186; }
.tile-h { font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: -0.02em; margin: 14px 0 10px; }
.tile--dark { background: var(--ink); display: flex; flex-direction: column; justify-content: space-between; }
.tile--dark .tile-n { color: var(--yellow); }
.tile--dark .tile-h { color: var(--paper); margin: 0 0 10px; }
.link-y { font-size: 14.5px; color: var(--yellow); border-bottom: 1px solid var(--yellow); }
.link-y:hover { color: var(--paper); border-color: var(--paper); }

/* ---------- process ---------- */
.phase { border-top: 2px solid var(--ink); padding-top: 18px; }
.phase--last { border-top-color: var(--yellow); }
.phase-lab { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; color: var(--ink-3); }
.phase-h { font-family: var(--display); font-size: 19px; font-weight: 600; margin: 10px 0 8px; letter-spacing: -0.02em; }
.phase .small { font-size: 14px; line-height: 1.55; }

/* ---------- markets ---------- */
.mkt { display: flex; flex-direction: column; gap: 14px; }
.mkt-h { font-family: var(--display); font-size: 26px; font-weight: 600; letter-spacing: -0.025em; }
.presence { margin-top: 40px; border-top: 1px solid var(--rule); padding-top: 26px; display: flex; gap: 12px 48px; flex-wrap: wrap; align-items: baseline; }
.presence--sub { margin-top: 0; border-top: 0; padding-top: 14px; }
.presence .label { min-width: 190px; }
.presence-list { font-size: 15.5px; color: var(--ink-2); max-width: 80ch; }

/* ---------- contact ---------- */
.cta { background: var(--yellow); padding: 72px 56px 76px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: end; }
.cta-h { font-family: var(--display); font-size: clamp(32px, 4.2vw, 60px); font-weight: 600; letter-spacing: -0.035em; line-height: 1; margin: 22px 0 18px; max-width: 20ch; color: var(--yellow-ink); }
.cta-p { font-size: 17.5px; line-height: 1.55; color: var(--yellow-ink); max-width: 50ch; }
.cta-side { display: flex; flex-direction: column; gap: 16px; }
.btn-cta { background: var(--ink); color: var(--yellow); padding: 20px 26px; font-family: var(--mono); font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase; text-align: center; }
.btn-cta:hover { color: var(--paper); }
.addr { font-size: 15px; line-height: 1.6; color: var(--yellow-ink); }
.addr a { color: var(--yellow-ink); border-bottom: 1px solid currentColor; }

/* ---------- footer ---------- */
.site-foot { margin-top: 96px; border-top: 1px solid var(--rule); padding: 40px var(--gutter) 56px; }
.foot-row { display: flex; align-items: baseline; justify-content: space-between; gap: 28px 40px; flex-wrap: wrap; }
.foot-nav { display: flex; gap: 12px 26px; font-size: 14px; flex-wrap: wrap; }
.copy { font-family: var(--mono); font-size: 11.5px; color: var(--ink-fine); letter-spacing: 0.08em; }

/* ---------- about page ---------- */
.about { display: grid; grid-template-columns: 1fr 1.1fr; gap: 72px; align-items: start; }
.about-h { font-family: var(--display); font-size: clamp(30px, 3.4vw, 46px); font-weight: 600; letter-spacing: -0.03em; line-height: 1.04; margin: 24px 0 0; }
.about-body { display: flex; flex-direction: column; gap: 22px; padding-top: 46px; }
.about-body > p { font-size: 17px; line-height: 1.6; color: var(--ink-2); }
.offices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-top: 6px; }
.offices > div { background: var(--paper); padding: 20px 18px; }
.offices .label { font-size: 11px; letter-spacing: 0.12em; }
.offices .place { font-size: 15px; margin-top: 8px; }

/* ---------- how it behaves (animation from /simulate/, no figures) ---------- */
#behaves { --bad: #B3261E; --foot: #8A8378; }
#behaves .body { margin: 26px 0 34px; }
.sim-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); grid-template-areas: "main side" "extra side"; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.sim-main { grid-area: main; }
.sim-side { grid-area: side; }
.sim-extra { grid-area: extra; }
.sim-panel { background: var(--surface); padding: 32px 32px 36px; min-width: 0; }
.sim-side { background: var(--paper); display: flex; flex-direction: column; }
.sim-controls { display: flex; flex-wrap: wrap; gap: 20px 24px; align-items: end; }
.sim-field--grow { flex: 1 1 440px; min-width: 0; }
.sim-title { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.sim-seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.sim-seg--two { grid-template-columns: repeat(2, 1fr); min-width: 260px; }
.sim-seg button { appearance: none; border: 0; background: var(--surface); color: var(--ink); font-family: var(--sans); font-size: 14px; font-weight: 500; padding: 13px 8px; cursor: pointer; transition: background 120ms; white-space: nowrap; }
.sim-seg button:hover { background: var(--paper); }
.sim-seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.sim-compare { flex: 0 0 auto; }
#behaves button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.diagram { display: block; width: 100%; height: auto; margin-top: 28px; font-family: var(--sans); }
.diagram--tall { display: none; max-width: 420px; margin-left: auto; margin-right: auto; }
.diagram--tall .d-label { font-size: 14px; }
.diagram--tall .d-sub { font-size: 11px; }
.diagram--tall .d-status { font-size: 10.5px; }
.diagram .node { fill: var(--surface); stroke: var(--ink); stroke-width: 1.5; }
.diagram .node.converter { fill: var(--ink); }
.diagram .node.dim { stroke: var(--rule); }
.diagram .d-label { font-size: 13px; font-weight: 500; fill: var(--ink); }
.diagram .d-label.on-dark { fill: var(--paper); }
.diagram .d-sub { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; fill: var(--ink-3); }
.diagram .d-sub.on-dark { fill: rgba(245,243,238,0.7); }
.diagram g.dim text { fill: var(--foot); }
.diagram g.dim .soc-fill { fill: var(--rule); }
.diagram g.dim .on-dark, .diagram g.dim .badge { fill: var(--foot); }
.diagram .wire { fill: none; stroke: var(--rule); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.diagram .flow { fill: none; stroke: var(--amber); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 9 9; opacity: 0; transition: opacity 240ms; }
.diagram .flow.genset, .diagram .flow.grid-bad { stroke: var(--bad); }
.diagram .badge { font-family: var(--display); font-weight: 600; font-size: 30px; fill: var(--yellow); letter-spacing: -0.03em; }
.diagram .soc-fill { fill: var(--yellow); }
.diagram .d-status { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; fill: var(--ink-3); }
.diagram .d-status.bad { fill: var(--bad); }
.diagram .puff { fill: var(--foot); opacity: 0; }
.diagram.genset-running .puff { animation: puff 1.6s linear infinite; }
.diagram.genset-running .puff:nth-child(2) { animation-delay: 0.55s; }
.diagram.genset-running .puff:nth-child(3) { animation-delay: 1.1s; }
.diagram.paused .puff { animation-play-state: paused; }
@keyframes puff { 0% { opacity: 0; transform: translate(0,0) scale(0.6); } 20% { opacity: 0.6; } 100% { opacity: 0; transform: translate(6px,-26px) scale(1.4); } }

.traces { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.trace { background: var(--surface); padding: 18px 20px 14px; min-width: 0; }
.trace-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); display: flex; justify-content: space-between; gap: 12px; }
.trace-k span { text-transform: none; letter-spacing: 0; color: var(--ink-body); font-family: var(--sans); font-size: 12.5px; }
.trace svg { display: block; width: 100%; height: auto; margin-top: 10px; }
.trace .ref { stroke: var(--rule); stroke-width: 1; stroke-dasharray: 3 4; }
.trace .wave { fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linejoin: round; }
.trace .wave.unstable { stroke: var(--bad); }
.trace .wave.out { stroke: var(--foot); }
.sim-note { font-size: 13px; line-height: 1.55; color: var(--ink-fine); margin-top: 22px; max-width: 70ch; }

.sim-side-h { font-family: var(--display); font-size: 26px; font-weight: 600; letter-spacing: -0.025em; }
.sim-modeline { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin-top: 10px; line-height: 1.5; }
.sim-happens { font-size: 15.5px; line-height: 1.6; color: var(--ink-2); margin-top: 22px; }
.sim-experience { font-family: var(--display); font-size: 19px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.35; margin-top: 18px; }
.sim-tiles { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-top: 26px; }
.sim-tile { background: var(--surface); padding: 16px 18px 18px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.sim-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.sim-v { font-family: var(--display); font-weight: 600; font-size: 20px; letter-spacing: -0.02em; white-space: nowrap; }
.sim-v.bad { color: var(--bad); }
.sim-cta { margin-top: 30px; align-self: flex-start; }
@media (prefers-reduced-motion: reduce) { .diagram .flow { transition: none; } }

/* ---------- Community Power / Minigrids pages (old DCP logo, same design system) ---------- */
.dcp-logo { display: inline-flex; align-items: center; height: 44px; }
.dcp-logo img { display: block; height: 100%; width: auto; }
.site-foot .dcp-logo { height: 38px; }
.site-nav a[aria-current="page"] { color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--ink); }
.band-dark { background: var(--ink); color: var(--paper); padding: 96px var(--gutter) 100px; margin-top: var(--sec-gap); }
.band-dark .eyebrow, .band-dark .label { color: #7C837C; }
.band-dark .h2 { color: var(--paper); }
.band-dark .small, .band-dark .body { color: #C7C9C2; }
.band-dark .cells { background: #2A322C; border-color: #2A322C; }
.band-dark .cells > div { background: var(--ink); }
.band-dark .h3 { color: var(--paper); }
.quote { font-family: var(--display); font-size: clamp(22px, 2.2vw, 30px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.3; color: var(--paper); max-width: 46ch; margin: 36px 0 0; text-wrap: pretty; }
.quote-by { font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--yellow); margin-top: 22px; }
.refs { border-top: 1px solid var(--ink); margin-top: 36px; }
.ref { display: grid; grid-template-columns: 2.2fr 1.6fr 1.2fr 1fr 0.6fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--rule); font-size: 15.5px; line-height: 1.5; align-items: baseline; }
.ref--head { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); padding: 14px 0; }
.ref-name { font-family: var(--display); font-weight: 600; font-size: 18px; letter-spacing: -0.015em; }
.ref-num { font-family: var(--mono); font-size: 13px; }
.list { margin: 14px 0 0; padding: 0; list-style: none; }
.list li { font-size: 14.5px; line-height: 1.55; color: var(--ink-body); padding: 8px 0; border-top: 1px solid var(--rule); }
.line-link { border-bottom: 1px solid currentColor; }
.cells--4 { grid-template-columns: repeat(4, 1fr); }
.cells--1 { grid-template-columns: 1fr; }
.cells--1 > div { padding: 22px 26px 18px; }
@media (max-width: 1023px) {
  .ref { grid-template-columns: 1fr 1fr; gap: 6px 20px; }
  .ref--head { display: none; }
  .cells--4 { grid-template-columns: 1fr 1fr; }
  .ref-name { grid-column: 1 / -1; }
  .band-dark { padding: 72px var(--gutter) 76px; }
}
@media (max-width: 767px) {
  .band-dark { padding: 56px var(--gutter) 60px; }
  .dcp-logo { height: 38px; }
  .cells--4 { grid-template-columns: 1fr; }
}

/* ---------- 768–1023 ---------- */
@media (max-width: 1023px) {
  :root { --gutter: 32px; --sec-gap: 72px; }
  .sec--hero { padding-top: 72px; }
  .site-head { flex-wrap: wrap; gap: 16px 32px; }
  .site-nav { gap: 12px 22px; }
  .hero-grid, .grid-2, .econ, .cta, .about { grid-template-columns: 1fr; gap: 32px; }
  .grid-3, .cells--3, .grid-4, .tiles { grid-template-columns: 1fr 1fr; }
  .cta { padding: 56px 40px 60px; }
  .about-body { padding-top: 0; }
  .sim-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "main" "side" "extra"; }
}

/* ---------- <768 ---------- */
@media (max-width: 767px) {
  :root { --gutter: 20px; --sec-gap: 56px; }
  .sec--hero { padding-top: 48px; }
  .site-head { position: static; padding-top: 16px; padding-bottom: 16px; }
  .site-nav { justify-content: flex-start; width: 100%; font-size: 14px; }
  .site-nav__div { display: none; }
  .btn-line { width: 100%; text-align: center; }
  .hero-grid { margin-top: 32px; padding-bottom: 40px; }
  .hero-lede { font-size: 17.5px; }
  .grid-3, .cells--3, .grid-4, .tiles, .offices { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stats > div { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--rule); }
  .stats > div:last-child { border-bottom: 0; }
  .card { padding: 30px 22px 32px; }
  .card-h { font-size: 28px; }
  .dl { grid-template-columns: 1fr; gap: 4px; }
  .dl dd { margin-bottom: 10px; }
  .row { grid-template-columns: 1fr; gap: 4px; }
  .tile { min-height: 0; }
  .cta { padding: 40px 22px 44px; }
  .site-foot { margin-top: 64px; }
  .sim-panel { padding: 24px 20px 28px; }
  .sim-seg { grid-template-columns: 1fr 1fr; }
  .sim-compare { width: 100%; }
  .sim-seg--two { min-width: 0; }
  .diagram--wide { display: none; }
  .diagram--tall { display: block; }
  .traces { grid-template-columns: 1fr; }
}