@font-face { font-family: "Ubuntu"; font-style: normal; font-weight: 300; font-display: swap; src: url("/fonts/ubuntu-300.woff2") format("woff2"); }
@font-face { font-family: "Ubuntu"; font-style: normal; font-weight: 400; font-display: swap; src: url("/fonts/ubuntu-400.woff2") format("woff2"); }
@font-face { font-family: "Ubuntu"; font-style: normal; font-weight: 500; font-display: swap; src: url("/fonts/ubuntu-500.woff2") format("woff2"); }
@font-face { font-family: "Ubuntu"; font-style: normal; font-weight: 700; font-display: swap; src: url("/fonts/ubuntu-700.woff2") format("woff2"); }

:root {
  --ink: #17213f;
  --navy: #24356b;
  --deep: #121d42;
  --blue: #3a64db;
  --sky: #dfe8ff;
  --green: #1f9a68;
  --cream: #f7f6f1;
  --bg: #f4f6fb;
  --paper: #fff;
  --line: #dfe4ef;
  --muted: #65708c;
  --shadow: 0 24px 70px rgba(27, 40, 83, .12);
  --soft-shadow: 0 12px 38px rgba(27, 40, 83, .08);
  --radius: 24px;
  --sans: "Ubuntu", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(70rem 34rem at 88% -8%, rgba(87, 123, 224, .14), transparent 60%),
    var(--bg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; }
button, input { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.shell-narrow { width: min(780px, calc(100% - 48px)); }
.skip-link { position: fixed; top: -60px; left: 12px; z-index: 100; padding: 10px 14px; background: white; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(223, 228, 239, .8);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(20px) saturate(140%);
}
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 30px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { width: auto; height: 52px; display: block; }
.nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.nav > a:not(.button) { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; }
.nav > a:not(.button):hover, .nav > a[aria-current="page"] { color: var(--deep); }
.nav-toggle { display: none; }

h1, h2, h3 { margin-top: 0; color: var(--deep); font-weight: 500; letter-spacing: -.045em; line-height: 1.06; }
h1 { margin-bottom: 22px; font-size: clamp(3rem, 6.5vw, 5.4rem); }
h2 { margin-bottom: 16px; font-size: clamp(2.1rem, 4vw, 3.5rem); }
h3 { margin-bottom: 9px; font-size: 1.45rem; }
p { margin-top: 0; }
.eyebrow {
  margin: 0 0 13px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow-light { color: #9cb9ff; }
.hero-lede, .article-deck {
  max-width: 42rem;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
  font-weight: 300;
  line-height: 1.55;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 19px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible { outline: 3px solid rgba(58, 100, 219, .32); outline-offset: 3px; }
.button-dark { color: white; background: var(--deep); box-shadow: 0 12px 28px rgba(18, 29, 66, .22); }
.button-dark:hover { background: #1e326c; box-shadow: 0 15px 36px rgba(18, 29, 66, .28); }
.button-light { color: var(--deep); background: white; border-color: var(--line); }
.button-white { color: var(--deep); background: white; }
.button-outline { color: white; border-color: rgba(255, 255, 255, .42); }
.icon { width: 20px; height: 20px; flex: 0 0 auto; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); text-decoration: none; font-weight: 500; }
.text-link .icon { width: 17px; transition: transform .2s ease; }
.text-link:hover .icon { transform: translateX(4px); }
.light-link { color: white; }

.home-hero {
  min-height: 700px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 70px;
  padding-block: 72px 68px;
}
.hero-copy h1 { max-width: 760px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: var(--muted); font-size: 13px; }
.trust-line span { display: flex; align-items: center; gap: 5px; }
.trust-line .icon { width: 15px; color: var(--green); }
.hero-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 570px;
  isolation: isolate;
}
.hero-stage::before {
  content: "";
  position: absolute;
  width: min(108%, 590px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, .76) 0 15%, transparent 40%),
    radial-gradient(circle, rgba(128, 158, 229, .27) 0, rgba(179, 197, 239, .18) 43%, rgba(218, 227, 248, .08) 62%, transparent 73%);
  filter: blur(2px);
  z-index: -2;
}
.energy-orbit { position: absolute; border: 1px solid rgba(58, 100, 219, .18); border-radius: 50%; z-index: -1; }
.orbit-one { width: 470px; height: 470px; }
.orbit-two { width: 340px; height: 340px; border-style: dashed; }
.float-card {
  position: absolute;
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  column-gap: 10px;
  min-width: 150px;
  padding: 13px 16px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 18px;
  background: rgba(255,255,255,.88);
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(15px);
}
.float-card .icon { grid-row: 1 / 3; color: var(--blue); }
.float-card span { color: var(--muted); font-size: 12px; }
.float-card strong { color: var(--deep); font-size: 19px; line-height: 1; }
.float-solar { top: 18%; left: 0; }
.float-solar .icon { color: #c57c0d; }
.float-battery { right: -1%; bottom: 18%; }
.float-battery .icon { color: var(--green); }

.pixel-phone {
  position: relative;
  width: 100%;
  padding: 7px;
  border: 1px solid #60646b;
  border-radius: 37px;
  background: linear-gradient(145deg, #85898f, #24272b 12%, #101114 55%, #4b4f54);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2), 0 28px 55px rgba(16,22,40,.24);
}
.pixel-phone::before, .pixel-phone::after { content: ""; position: absolute; right: -3px; width: 3px; z-index: 2; background: linear-gradient(#777b82, #292c31); border-radius: 0 3px 3px 0; }
.pixel-phone::before { top: 82px; height: 54px; }
.pixel-phone::after { top: 151px; height: 32px; }
.pixel-screen { position: relative; overflow: hidden; border-radius: 30px; background: var(--cream); }
.pixel-status { height: 32px; display: flex; align-items: flex-end; justify-content: space-between; padding: 0 15px 6px; color: var(--ink); font-size: 11px; font-weight: 700; }
.pixel-camera { position: absolute; top: 8px; left: 50%; width: 10px; height: 10px; margin-left: -5px; border: 2px solid #24262a; border-radius: 50%; background: #050608; box-shadow: 0 0 0 1px rgba(255,255,255,.15); }
.pixel-sys { width: 43px; height: 9px; background: linear-gradient(var(--ink),var(--ink)) 0 3px/11px 5px no-repeat,linear-gradient(var(--ink),var(--ink)) 15px 1px/9px 8px no-repeat,linear-gradient(var(--ink),var(--ink)) 28px 2px/15px 7px no-repeat; opacity: .9; }
.pixel-screen img { width: 100%; display: block; border: 0; }
.hero-device { width: 286px; transform: rotate(2deg); }

.logo-rail { border-block: 1px solid var(--line); background: rgba(255,255,255,.65); }
.logo-rail-layout { min-height: 88px; display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 28px; }
.logo-rail-label { margin: 0; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .12em; white-space: nowrap; }
.logo-rail-viewport { min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); mask-image: linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); }
.logo-rail-track { width: max-content; display: flex; animation: integration-rail 34s linear infinite; will-change: transform; }
.logo-rail-viewport:hover .logo-rail-track, .logo-rail-viewport:focus-within .logo-rail-track { animation-play-state: paused; }
.logo-rail-brands { display: flex; align-items: center; gap: 50px; margin: 0; padding: 0 50px 0 0; list-style: none; }
.logo-rail-brands li { color: #66708a; font-size: 15px; font-weight: 500; white-space: nowrap; }
.logo-rail-more { color: var(--deep); font-size: 12px; font-weight: 500; text-decoration: none; white-space: nowrap; }
.logo-rail-more:hover { text-decoration: underline; text-underline-offset: 3px; }
@keyframes integration-rail { to { transform: translateX(-50%); } }

.section { padding-block: 92px; }
.section-intro { max-width: 760px; margin-bottom: 38px; }
.section-intro > p:not(.eyebrow) { color: var(--muted); font-size: 18px; font-weight: 300; }
.section-intro.centered { margin-inline: auto; text-align: center; }
.section-intro.centered > p { margin-inline: auto; }
.section-intro.centered .actions { justify-content: center; }
.section-intro .availability-note { margin-top: 14px; font-size: 13px !important; font-weight: 400 !important; }
.section-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 30px; }
.section-title-row h2 { margin-bottom: 0; }

.bento { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: auto auto; gap: 18px; }
.bento-card {
  overflow: hidden;
  min-height: 320px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
  box-shadow: 0 1px 0 white;
}
.bento-card > p { color: var(--muted); }
.bento-flow { grid-row: 1 / 3; display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 20px; }
.icon-box { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 13px; color: var(--blue); background: #eef3ff; }
.flow-mini { position: relative; min-height: 300px; }
.flow-mini::before, .flow-mini::after { content: ""; position: absolute; background: #ced9f3; z-index: 0; }
.flow-mini::before { top: 49%; left: 20%; right: 20%; height: 2px; }
.flow-mini::after { left: 50%; top: 20%; bottom: 20%; width: 2px; }
.node { position: absolute; z-index: 1; width: 94px; height: 94px; display: grid; place-items: center; padding: 15px; border: 8px solid #edf1f8; border-radius: 50%; background: white; color: var(--muted); text-align: center; font-style: normal; font-size: 11px; line-height: 1.2; box-shadow: var(--soft-shadow); }
.node b { color: var(--deep); font-size: 17px; }
.node.solar { top: 0; left: 50%; transform: translateX(-50%); border-color: #fff0d1; }
.node.home { top: 50%; left: 0; transform: translateY(-50%); }
.node.battery { top: 50%; right: 0; transform: translateY(-50%); border-color: #dff4e9; }
.node.ev { bottom: 0; left: 50%; transform: translateX(-50%); border-color: #e1eaff; }
.bento-rule { background: linear-gradient(150deg, #fff, #eff3ff); }
.rule-list { display: grid; grid-template-columns: 1fr auto; gap: 8px 18px; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.rule-list b { color: var(--deep); font-weight: 500; }
.bento-car .meter { height: 12px; overflow: hidden; margin: 26px 0 8px; border-radius: 99px; background: #e6eaf2; }
.bento-car .meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), #70d59b); }
.bento-car small { color: var(--muted); }

.section-ink { color: white; background: var(--deep); }
.section-ink h2, .section-ink h3 { color: white; }
.split-proof { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 70px; }
.mode-row { display: grid; grid-template-columns: 90px 1fr; gap: 18px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.14); }
.mode-row span { color: #9cb9ff; font-weight: 500; }
.mode-row p { margin: 0; color: rgba(255,255,255,.7); }

.browser { overflow: hidden; margin: 0; border: 1px solid var(--line); border-radius: 20px; background: white; box-shadow: var(--shadow); }
.browser-chrome { height: 44px; display: flex; align-items: center; gap: 6px; padding: 0 14px; border-bottom: 1px solid var(--line); background: #f8f9fc; }
.browser-chrome span { width: 8px; height: 8px; border-radius: 50%; background: #d8dde9; }
.browser-chrome b { margin: 0 auto; padding: 5px 42px; border: 1px solid #e4e7ee; border-radius: 7px; color: var(--muted); background: white; font-size: 10px; font-weight: 400; }
.browser img { display: block; width: 100%; }
.browser figcaption { padding: 10px 14px 12px; color: var(--muted); font-size: 12px; text-align: center; }
.dark-browser { border-color: rgba(255,255,255,.18); transform: rotate(1deg); }

.product-showcase { overflow: hidden; padding-bottom: 70px; }
.phone-fan { height: 630px; display: flex; align-items: flex-end; justify-content: center; gap: 20px; padding-top: 20px; }
.phone-fan .pixel-phone { width: 232px; transform-origin: 50% 100%; }
.phone-fan .pixel-phone:nth-child(1) { transform: rotate(-6deg) translateY(30px); }
.phone-fan .pixel-phone:nth-child(2) { transform: rotate(-2deg); }
.phone-fan .pixel-phone:nth-child(3) { transform: rotate(2deg); }
.phone-fan .pixel-phone:nth-child(4) { transform: rotate(6deg) translateY(30px); }

.watchtower-band, .final-cta {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 60px;
  overflow: hidden;
  padding: 54px;
  border-radius: 32px;
  color: white;
  background: linear-gradient(135deg, #172551, #3159bd);
  box-shadow: var(--shadow);
}
.watchtower-band h2, .final-cta h2 { color: white; }
.watchtower-band p:not(.eyebrow) { max-width: 620px; color: rgba(255,255,255,.75); font-size: 18px; }
.fleet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; transform: rotate(2deg); }
.fleet-grid span { display: grid; grid-template-columns: 12px 1fr; padding: 16px; border: 1px solid rgba(255,255,255,.14); border-radius: 15px; background: rgba(255,255,255,.09); backdrop-filter: blur(10px); }
.fleet-grid i { width: 8px; height: 8px; margin-top: 6px; border-radius: 50%; background: #75e3a6; box-shadow: 0 0 0 4px rgba(117,227,166,.14); }
.fleet-grid b { font-size: 14px; }
.fleet-grid small { grid-column: 2; color: rgba(255,255,255,.6); }

.guide-strip { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.guide-strip a { position: relative; min-height: 210px; padding: 28px; text-decoration: none; }
.guide-strip a + a { border-left: 1px solid var(--line); }
.guide-strip span { color: var(--blue); font-size: 12px; font-weight: 700; }
.guide-strip p { color: var(--muted); }
.guide-strip a::after { content: "→"; position: absolute; right: 24px; bottom: 20px; transition: transform .2s ease; }
.guide-strip a:hover::after { transform: translateX(5px); }

.story-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; }
.story-card { display: grid; grid-template-columns: 190px 1fr; overflow: hidden; min-height: 230px; border: 1px solid var(--line); border-radius: var(--radius); background: white; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.story-card:hover { transform: translateY(-3px); box-shadow: var(--soft-shadow); }
.story-featured { grid-row: 1 / 3; grid-template-columns: 1fr; }
.story-image { overflow: hidden; min-height: 200px; background: #e8ebf3; }
.story-featured .story-image { min-height: 330px; }
.story-image img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.story-card:hover .story-image img { transform: scale(1.025); }
.story-copy { padding: 24px; }
.story-meta { display: flex; gap: 12px; margin-bottom: 13px; color: var(--muted); font-size: 12px; }
.story-copy p { color: var(--muted); }
.story-copy .text-link { margin-top: 8px; }
.final-cta { grid-template-columns: 1fr auto; background: var(--deep); }
.final-cta h2 { margin-bottom: 0; }

.subhero { min-height: 640px; display: grid; grid-template-columns: 1fr .75fr; align-items: center; gap: 80px; padding-block: 80px; }
.subhero-visual { position: relative; display: grid; place-items: center; }
.subhero-visual::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: #e4ebfc; z-index: -1; }
.subhero-visual .pixel-phone { width: 265px; transform: rotate(4deg); }
.process { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.process > div { padding: 36px; }
.process > div + div { border-left: 1px solid var(--line); }
.process span, .mode-number { display: block; margin-bottom: 22px; color: var(--blue); font-weight: 700; }
.process p { color: var(--muted); }
.mode-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mode-grid article { padding: 40px; border: 1px solid var(--line); border-radius: 28px; background: white; }
.mode-grid .mode-advanced { color: white; border-color: transparent; background: linear-gradient(140deg, var(--deep), #2f52aa); }
.mode-advanced h3 { color: white; }
.clean-list { display: grid; gap: 14px; padding: 0; list-style: none; }
.clean-list li { display: flex; align-items: center; gap: 9px; }
.clean-list .icon { width: 17px; color: var(--green); }
.mode-advanced .clean-list .icon { color: #77e1a7; }
.outcome-grid, .cause-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.outcome-grid article, .cause-grid article { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.outcome-grid p, .cause-grid p { color: var(--muted); }
.price-band, .local-band, .commercial { display: grid; grid-template-columns: 1fr 1.2fr auto; align-items: center; gap: 30px; padding: 38px; border-radius: var(--radius); background: #e5ecff; }
.price-band h2, .local-band h2 { margin-bottom: 0; }
.price-band p, .local-band p { margin: 0; color: var(--muted); }

.watchtower-hero { grid-template-columns: 1fr .8fr; }
.operator-panel { padding: 30px; border: 1px solid var(--line); border-radius: 28px; background: white; box-shadow: var(--shadow); transform: rotate(2deg); }
.operator-top { display: flex; justify-content: space-between; margin-bottom: 28px; color: var(--muted); font-size: 13px; }
.operator-top b { color: var(--green); }
.operator-panel > strong { color: var(--deep); font-size: 72px; line-height: 1; }
.operator-panel > p { color: var(--muted); }
.operator-bars { display: grid; gap: 14px; margin-top: 25px; }
.operator-bars span { position: relative; display: flex; justify-content: space-between; overflow: hidden; padding: 12px; border-radius: 10px; background: #eff2f8; }
.operator-bars span::before { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); background: rgba(58,100,219,.11); }
.operator-bars i, .operator-bars b { z-index: 1; font-style: normal; font-size: 13px; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.capability-grid article { padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.capability-grid article > span { color: var(--blue); }
.capability-grid p { color: var(--muted); }
.split-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.stack-list { display: grid; }
.stack-list span { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.76); }
.stack-list b { color: #9cb9ff; }
.commercial { grid-template-columns: 1fr; max-width: 850px; margin: auto; text-align: center; background: white; box-shadow: var(--soft-shadow); }
.commercial p { color: var(--muted); font-size: 18px; }
.commercial .button { justify-self: center; }

.page-hero { padding-block: 100px 36px; }
.page-hero h1 { max-width: 900px; }
.integration-groups { padding-top: 38px; }
.integration-group { display: grid; grid-template-columns: 280px 1fr; gap: 50px; padding: 34px 0; border-top: 1px solid var(--line); }
.integration-title { position: sticky; top: 110px; align-self: start; }
.integration-title h2 { font-size: 30px; }
.integration-list { display: grid; gap: 10px; }
.integration-list a { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 17px; background: white; text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.integration-list a:hover { transform: translateX(4px); border-color: #b8c7ec; }
.integration-list h3 { margin-bottom: 5px; font-size: 20px; }
.integration-list p { margin: 0; color: var(--muted); }
.integration-list > a > .icon { color: var(--blue); }
.about-hero h1 { max-width: 1050px; }
.manifesto { max-width: 900px; margin: auto; }
.manifesto p { font-size: clamp(1.55rem, 3.5vw, 2.55rem); font-weight: 300; letter-spacing: -.035em; line-height: 1.3; color: var(--deep); }
.cause-grid strong { color: var(--blue); }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-top: 30px; }
.contact-grid > a { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: white; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.contact-grid > a:hover { transform: translateY(-4px); box-shadow: var(--soft-shadow); }
.contact-grid p:not(.eyebrow) { color: var(--muted); }
.help-support { margin-top: 40px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 18px; background: white; color: var(--muted); }
.help-support p { margin: 0; }
.help-support a { color: var(--blue); font-weight: 500; }

.faq-list { padding: 24px 0 90px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 0; cursor: pointer; color: var(--deep); font-size: 20px; font-weight: 500; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: 28px; font-weight: 300; transition: transform .2s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 680px; padding-bottom: 22px; color: var(--muted); }

.journal-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; }
.journal-grid .story-featured { grid-row: span 3; }
.article, .help-article { padding: 86px 0 70px; }
.article header, .help-article header { margin-bottom: 38px; }
.article h1, .help-article h1 { font-size: clamp(2.8rem, 6vw, 4.9rem); }
.back-link { display: inline-flex; margin-bottom: 22px; color: var(--blue); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-decoration: none; text-transform: uppercase; }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 13px; }
.article-cover { width: 100%; max-height: 520px; display: block; margin-bottom: 40px; border-radius: 22px; object-fit: cover; box-shadow: var(--soft-shadow); }
.article-body { color: #2d3858; font-size: 18px; font-weight: 300; }
.article-body > * { max-width: 700px; margin-inline: auto; }
.article-body h2 { margin-top: 2em; font-size: clamp(1.8rem, 3vw, 2.5rem); }
.article-body h3 { margin-top: 1.7em; }
.article-body p, .article-body li { margin-bottom: 1.1em; }
.article-body a { color: var(--blue); text-underline-offset: 3px; }
.article-body img { width: min(920px, calc(100vw - 32px)); max-width: none; display: block; margin: 30px 50%; border: 1px solid var(--line); border-radius: 18px; transform: translateX(-50%); box-shadow: var(--soft-shadow); }
.article-body blockquote { padding: 20px 24px; border-left: 3px solid var(--blue); background: #edf2ff; }
.article-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 54px; padding: 28px; border-radius: 20px; background: #e7edfc; }
.article-footer p { margin: 0; font-size: 18px; font-weight: 500; }
.legal { padding-top: 86px; }

.help-hero { padding: 94px 0 72px; color: white; background: linear-gradient(135deg, var(--deep), #294c9d); }
.help-hero h1 { color: white; }
.help-hero p:not(.eyebrow) { color: rgba(255,255,255,.72); font-size: 18px; }
.search-box { display: block; margin-top: 30px; }
.search-box > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.search-box input { width: 100%; padding: 17px 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; color: var(--ink); background: white; box-shadow: 0 18px 40px rgba(0,0,0,.14); }
.help-group { display: grid; grid-template-columns: 180px 1fr; gap: 34px; margin-bottom: 48px; }
.help-group > h2 { font-size: 26px; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.help-grid a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 170px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: white; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.help-grid a:hover { transform: translateY(-3px); box-shadow: var(--soft-shadow); }
.help-grid a > .icon { color: var(--blue); }
.help-grid h3 { font-size: 20px; }
.help-grid span { color: var(--muted); font-size: 14px; }
.empty-state { padding: 50px; text-align: center; color: var(--muted); }
.help-article aside, .article-related { margin-top: 50px; padding-top: 28px; border-top: 1px solid var(--line); }
.related { display: flex; flex-wrap: wrap; gap: 8px; }
.related a { display: inline-flex; align-items: center; gap: 7px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--deep); text-decoration: none; font-size: 14px; }
.related .icon { width: 15px; }
.steps { counter-reset: step; padding: 0; list-style: none; }
.steps li { position: relative; min-height: 38px; padding: 5px 0 12px 52px; counter-increment: step; }
.steps li::before { content: counter(step); position: absolute; top: 0; left: 0; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--deep); font-size: 13px; font-weight: 700; }
.glossary dt { margin-top: 20px; color: var(--deep); font-weight: 500; }
.glossary dd { margin-left: 0; color: var(--muted); }

.not-found { min-height: 70vh; display: grid; place-content: center; justify-items: center; padding: 50px 24px; text-align: center; }
.error-number { margin: 0; color: #dbe4fa; font-size: clamp(7rem, 24vw, 16rem); font-weight: 700; letter-spacing: -.08em; line-height: .8; }

.site-footer { margin-top: 70px; border-top: 1px solid var(--line); background: white; }
.footer-main { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; padding-block: 50px; }
.footer-logo { width: auto; height: 48px; display: block; margin-bottom: 12px; }
.footer-main p { max-width: 290px; color: var(--muted); }
.footer-nav { display: grid; align-content: start; gap: 8px; }
.footer-nav strong { margin-bottom: 4px; color: var(--deep); font-size: 13px; }
.footer-nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-nav a:hover { color: var(--deep); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-block: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-bottom a { color: var(--deep); }

@media (max-width: 1000px) {
  .nav { gap: 14px; }
  .nav > a:not(.button) { font-size: 13px; }
  .home-hero { grid-template-columns: 1fr .8fr; gap: 34px; }
  .float-solar { left: -6%; }
  .float-battery { right: -5%; }
  .phone-fan { height: 530px; gap: 12px; }
  .phone-fan .pixel-phone { width: 190px; }
  .story-grid, .journal-grid { grid-template-columns: 1fr; }
  .story-featured { grid-row: auto; }
  .story-featured .story-image { min-height: 300px; }
  .story-card:not(.story-featured) { grid-template-columns: 230px 1fr; }
}

@media (max-width: 820px) {
  .shell { width: min(100% - 32px, 1180px); }
  .header-inner { min-height: 70px; }
  .brand img { height: 45px; }
  .nav-toggle { display: grid; width: 44px; height: 44px; place-content: center; gap: 4px; margin-left: auto; border: 1px solid var(--line); border-radius: 50%; color: var(--deep); background: white; }
  .nav-toggle span { width: 18px; height: 1.5px; background: currentColor; }
  .nav-toggle b { position: absolute; width: 1px; height: 1px; overflow: hidden; }
  .nav { position: fixed; inset: 70px 0 auto; display: none; align-items: stretch; max-height: calc(100vh - 70px); overflow: auto; padding: 22px 16px 28px; border-bottom: 1px solid var(--line); background: white; box-shadow: var(--shadow); }
  .nav.open { display: grid; }
  .nav > a:not(.button) { padding: 12px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav-cta { margin-top: 8px; }
  .home-hero, .subhero, .watchtower-hero, .split-proof, .split-copy { grid-template-columns: 1fr; }
  .home-hero { padding-top: 58px; text-align: center; }
  .hero-copy .hero-lede { margin-inline: auto; }
  .hero-copy .actions, .trust-line { justify-content: center; }
  .hero-stage { min-height: 530px; }
  .float-solar { left: 10%; }
  .float-battery { right: 7%; }
  .logo-rail-layout { gap: 18px; }
  .logo-rail-label { display: none; }
  .section { padding-block: 66px; }
  .bento { grid-template-columns: 1fr; grid-template-rows: auto; }
  .bento-flow { grid-row: auto; }
  .section-title-row { align-items: flex-start; flex-direction: column; }
  .watchtower-band, .final-cta { grid-template-columns: 1fr; padding: 38px; }
  .phone-fan { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 20px 30px; }
  .phone-fan .pixel-phone { width: 100%; transform: none !important; }
  .process, .outcome-grid, .cause-grid, .capability-grid, .contact-grid { grid-template-columns: 1fr; }
  .process > div + div { border-left: 0; border-top: 1px solid var(--line); }
  .mode-grid { grid-template-columns: 1fr; }
  .price-band, .local-band { grid-template-columns: 1fr; }
  .integration-group { grid-template-columns: 1fr; gap: 12px; }
  .integration-title { position: static; }
  .help-group { grid-template-columns: 1fr; gap: 8px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  h1 { font-size: clamp(2.75rem, 13vw, 4rem); }
  h2 { font-size: 2.2rem; }
  .home-hero { min-height: auto; }
  .hero-stage { min-height: 480px; }
  .hero-device { width: 235px; }
  .energy-orbit, .float-card { display: none; }
  .trust-line { gap: 9px 14px; }
  .logo-rail-layout { width: 100%; min-height: 70px; grid-template-columns: minmax(0,1fr) auto; padding-left: 16px; gap: 8px; }
  .logo-rail-brands { gap: 36px; padding-right: 36px; }
  .logo-rail-more { padding: 26px 16px 26px 8px; background: rgba(255,255,255,.88); }
  .bento-flow { grid-template-columns: 1fr; }
  .flow-mini { min-height: 260px; }
  .phone-fan { padding-inline: 0; gap: 10px; }
  .watchtower-band, .final-cta { padding: 28px; border-radius: 24px; }
  .fleet-grid { grid-template-columns: 1fr; transform: none; }
  .guide-strip { grid-template-columns: 1fr; }
  .guide-strip a + a { border-left: 0; border-top: 1px solid var(--line); }
  .story-card, .story-card:not(.story-featured) { grid-template-columns: 1fr; }
  .story-card .story-image { min-height: 230px; }
  .subhero { padding-block: 58px; }
  .subhero-visual .pixel-phone { width: 235px; }
  .subhero-visual::before { width: 300px; height: 300px; }
  .mode-grid article { padding: 28px; }
  .integration-list a { padding: 20px; }
  .contact-grid { grid-template-columns: 1fr; }
  .help-grid { grid-template-columns: 1fr; }
  .article, .help-article { padding-top: 58px; }
  .article-body { font-size: 17px; }
  .article-footer { align-items: flex-start; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-main > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .logo-rail-layout { grid-template-columns: 1fr auto; padding-block: 18px; }
  .logo-rail-label { display: none; }
  .logo-rail-viewport { overflow: visible; -webkit-mask-image: none; mask-image: none; }
  .logo-rail-track { width: auto; animation: none; }
  .logo-rail-brands { flex-wrap: wrap; gap: 10px 24px; padding: 0; }
  .logo-rail-brands[aria-hidden="true"] { display: none; }
}