:root {
  --ink: #0a0f14;
  --ink-2: #0e1821;
  --ink-3: #13212a;
  --paper: #f5f5f1;
  --paper-2: #ebece7;
  --white: #f8fbfc;
  --mist: #9baab5;
  --mist-2: #c4cdd3;
  --teal: #2bb3a3;
  --teal-light: #6fe07e;
  --teal-deep: #0f635c;
  --line: rgba(255, 255, 255, 0.1);
  --line-dark: rgba(10, 15, 20, 0.13);
  --maxw: 1280px;
  --pad: clamp(20px, 4.2vw, 64px);
  --radius: 20px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: #e8eef2;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -.006em;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 4px; border-radius: 6px; }
::selection { color: #021311; background: var(--teal); }
section[id] { scroll-margin-top: 72px; }
.wrap { width: min(100%, var(--maxw)); margin-inline: auto; padding-inline: var(--pad); }
.section-pad { padding-block: clamp(88px, 12vw, 160px); }
.paper { background: var(--paper); color: var(--ink); }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 200;
  transform: translateY(-180%); padding: 10px 18px; border-radius: 999px;
  background: var(--teal); color: #03110f; font-weight: 700;
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: none; }

h1, h2, h3, .zero {
  margin: 0;
  font-family: "Inter Tight", "Inter", sans-serif;
  letter-spacing: -.035em;
  line-height: .98;
}
h1 { font-size: clamp(54px, 7.1vw, 108px); font-weight: 700; }
h2 { font-size: clamp(42px, 5vw, 74px); font-weight: 600; }
h3 { font-size: 25px; font-weight: 600; line-height: 1.08; }
p { margin: 0; }
.eyebrow {
  display: inline-block; margin: 0 0 25px; padding: 7px 13px;
  border: 1px solid rgba(43, 179, 163, .34); border-radius: 999px;
  background: rgba(43, 179, 163, .07); color: var(--teal);
  font-family: "Inter Tight", sans-serif; font-size: 12px; font-weight: 600;
  letter-spacing: .17em; text-transform: uppercase;
}
.eyebrow.plain { padding: 0; border: 0; background: none; }
.section-head {
  display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(270px, .62fr);
  align-items: end; gap: clamp(36px, 7vw, 100px); margin-bottom: clamp(52px, 7vw, 94px);
}
.section-head > p { color: #56636c; font-size: 18px; line-height: 1.6; }
.section-head.compact { margin-bottom: 50px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 11px;
  min-height: 52px; padding: 0 27px; border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px; color: #fff; font-size: 15px; font-weight: 600;
  white-space: nowrap; transition: transform .2s var(--ease), background .2s, border-color .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary { border-color: var(--teal); background: var(--teal); color: #031310; }
.btn.primary:hover { border-color: #48cdbd; background: #48cdbd; }
.btn.ghost:hover { background: rgba(255, 255, 255, .07); }
.btn.sm { min-height: 43px; padding-inline: 18px; font-size: 14px; }
.arrow { transition: transform .2s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.site-header {
  position: fixed; z-index: 100; top: 0; left: 0; right: 0;
  border-bottom: 1px solid transparent; transition: background .25s, border-color .25s, backdrop-filter .25s;
}
.site-header.scrolled {
  border-color: var(--line); background: rgba(10, 15, 20, .82);
  backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%);
}
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: auto; height: 46px; padding: 6px 11px; border-radius: 11px; background: #fff; box-shadow: 0 4px 20px rgba(0, 0, 0, .25); }
.nav { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 32px); }
.nav a { color: var(--mist-2); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav a:hover, .nav a.active { color: #fff; }
.header-cta { flex: 0 0 auto; }

.hero {
  position: relative; min-height: 100svh; overflow: hidden; display: flex; align-items: center;
  background: var(--ink);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0; height: 26%; z-index: 1;
  background: linear-gradient(180deg, transparent, var(--ink)); pointer-events: none;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(90deg, rgba(8, 15, 20, .62) 0%, rgba(8, 15, 20, .14) 55%, rgba(8, 15, 20, .46) 100%),
              url("assets/hero/hero-globe.jpg") center / cover no-repeat;
  transform: scale(1.025);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 52% 48%, rgba(43, 179, 163, .14), transparent 28%),
              linear-gradient(180deg, rgba(3, 10, 14, .05), rgba(4, 10, 14, .42));
}
.hero-orbit { position: absolute; z-index: 1; left: 54%; top: 48%; border: 1px solid rgba(65, 215, 196, .17); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 500px; height: 500px; transform: translate(-50%, -50%); animation: orbit-pulse 6s ease-in-out infinite; }
.orbit-two { width: 610px; height: 610px; transform: translate(-50%, -50%); animation: orbit-pulse 6s 1.2s ease-in-out infinite reverse; opacity: .45; }
@keyframes orbit-pulse { 0%, 100% { opacity: .18; scale: .98; } 50% { opacity: .55; scale: 1.03; } }
.hero-inner {
  position: relative; z-index: 3; width: 100%; padding-top: 110px; padding-bottom: 90px;
  display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(260px, .45fr); align-items: end; gap: clamp(32px, 5vw, 70px);
}
.hero-copy { max-width: 960px; }
.hero h1 { max-width: 920px; color: #fff; font-size: clamp(54px, 6vw, 88px); text-shadow: 0 2px 30px rgba(0, 0, 0, .2); }
.hero h1 span { color: var(--white); }
.hero-lead { max-width: 720px; margin-top: 30px; color: #d3dde3; font-size: clamp(18px, 1.65vw, 23px); line-height: 1.5; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-trust { margin-top: 28px; color: #c8d1d7; font-size: 14px; }
.hero-card {
  padding: 24px; border: 1px solid rgba(255, 255, 255, .15); border-radius: var(--radius);
  background: rgba(9, 19, 25, .68); backdrop-filter: blur(18px); box-shadow: 0 25px 80px rgba(0, 0, 0, .24);
}
.hero-card-top { display: flex; align-items: center; gap: 9px; color: var(--mist-2); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal-light); box-shadow: 0 0 0 6px rgba(111, 224, 126, .1); }
.hero-card-stat { margin: 18px 0 4px; color: var(--teal-light); font-family: "Inter Tight"; font-size: 64px; font-weight: 700; line-height: 1; letter-spacing: -.05em; }
.hero-card > p { color: #c5d0d6; font-size: 14px; }
.mini-flow { display: grid; grid-template-columns: 1fr 46px 1fr; align-items: center; gap: 8px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.mini-flow div:not(.flow-line) { display: flex; flex-direction: column; }
.mini-flow span { color: var(--mist); font-size: 11px; }
.mini-flow strong { font-size: 14px; }
.flow-line { position: relative; height: 1px; background: rgba(43, 179, 163, .45); }
.flow-line i { position: absolute; top: -3px; right: 0; width: 7px; height: 7px; transform: rotate(45deg); border-top: 1px solid var(--teal); border-right: 1px solid var(--teal); }
.scroll-hint { position: absolute; z-index: 4; left: 50%; bottom: 20px; transform: translateX(-50%); color: #899aa4; font-size: 10px; letter-spacing: .3em; }
.scroll-hint span { display: block; width: 1px; height: 36px; margin: 8px auto 0; background: linear-gradient(var(--teal), transparent); }

.trust-strip { padding: 38px 0 26px; border-bottom: 1px solid var(--line); background: var(--ink); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; }
.trust-grid > div { padding: 8px clamp(12px, 3vw, 34px); border-left: 1px solid var(--line); }
.trust-grid > div:first-child { border-left: 0; padding-left: 0; }
.trust-grid strong { display: block; color: var(--teal); font: 600 clamp(27px, 3vw, 40px)/1 "Inter Tight"; }
.trust-grid span { display: block; margin-top: 7px; color: var(--mist); font-size: 12px; }
.legal-note { margin-top: 23px; color: #778893; font-size: 11px; }
.legal-note.dark { color: #7b878d; }

.market .section-head h2, .process h2, .clients h2, .outcome h2 { color: var(--ink); }
.market-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, .65fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.chart-card { padding: clamp(20px, 3vw, 40px); border: 1px solid var(--line-dark); border-radius: var(--radius); background: #fff; box-shadow: 0 22px 60px rgba(9, 18, 23, .07); }
.chart-head { display: flex; align-items: start; justify-content: space-between; gap: 30px; }
.chart-head span { display: block; color: #77858c; font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.chart-head strong { display: block; margin-top: 6px; font-size: clamp(18px, 2vw, 27px); line-height: 1.2; }
.chart-range { flex: 0 0 auto; padding: 14px 18px; border-radius: 12px; background: var(--ink-2); color: #fff; }
.chart-range b { display: block; color: var(--teal-light); font-size: 33px; line-height: 1; }
.chart-range span { margin-top: 5px; color: #d0d9dd; font-size: 9px; text-transform: none; }
.price-chart { display: block; width: 100%; height: auto; margin-top: 28px; overflow: visible; }
.grid-lines line { stroke: #dfe5e5; stroke-width: 1; }
.price-chart .area { fill: url(#area); }
.price-chart .line { fill: none; stroke: #11675e; stroke-linecap: round; stroke-linejoin: round; stroke-width: 4; }
.charge-zones rect { fill: rgba(111, 224, 126, .18); }
.chart-labels text { fill: #6c7b83; font-size: 11px; font-family: "Inter"; }
.chart-source { color: #7c878c; font-size: 10px; line-height: 1.5; }
.explain-stack { display: grid; gap: 1px; border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; background: var(--line-dark); }
.explain-stack article { display: grid; grid-template-columns: 46px 1fr; gap: 18px; align-items: start; padding: clamp(25px, 3vw, 38px); background: #fff; }
.explain-stack article > span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #d9f7e0; color: #106058; font-weight: 700; }
.explain-stack h3 { font-size: 21px; line-height: 1.15; }
.explain-stack p { margin-top: 10px; color: #627078; font-size: 14px; }

.how { background: var(--ink); }
.how .section-head > p { color: var(--mist); }
.how-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr); gap: clamp(40px, 8vw, 110px); align-items: center; }
.battery-stage { position: relative; min-height: 560px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 28px; overflow: hidden; background: radial-gradient(circle at center, rgba(43, 179, 163, .12), transparent 48%), var(--ink-2); }
.battery-stage::before { content: ""; position: absolute; inset: 24px; border: 1px dashed rgba(255, 255, 255, .08); border-radius: 18px; }
.battery-unit { position: relative; z-index: 2; width: 220px; height: 370px; padding: 34px 26px; border: 2px solid #40515b; border-radius: 15px; background: linear-gradient(145deg, #eef4f5, #aebcc1); color: #0b151a; box-shadow: 0 34px 70px rgba(0, 0, 0, .38), inset -14px 0 28px rgba(22, 48, 57, .18); }
.battery-unit::after { content: ""; position: absolute; left: 30px; right: 30px; bottom: 34px; height: 4px; border-radius: 4px; background: #2b3c45; box-shadow: 0 13px 0 #2b3c45, 0 26px 0 #2b3c45; }
.battery-led { position: absolute; right: 24px; top: 24px; width: 9px; height: 9px; border-radius: 50%; background: var(--teal-light); box-shadow: 0 0 14px var(--teal-light); }
.battery-screen { display: block; width: 72px; height: 48px; margin: 24px auto; border: 7px solid #273b44; border-radius: 5px; background: linear-gradient(135deg, #174c49, #4ccfbd); }
.battery-vents { display: block; width: 130px; height: 72px; margin: 36px auto 0; background: repeating-linear-gradient(90deg, #63757d 0 3px, transparent 3px 9px); opacity: .7; }
.battery-unit strong, .battery-unit small { display: block; text-align: center; }
.battery-unit strong { margin-top: 24px; font-size: 25px; letter-spacing: .08em; }
.battery-unit small { color: #3e545d; }
.signal { position: absolute; z-index: 1; width: 290px; height: 290px; border: 1px solid rgba(43, 179, 163, .22); border-radius: 50%; animation: signal 3s ease-out infinite; }
.signal-b { animation-delay: 1.5s; }
@keyframes signal { from { transform: scale(.55); opacity: .8; } to { transform: scale(1.45); opacity: 0; } }
.stage-label { position: absolute; z-index: 3; display: flex; flex-direction: column; padding: 13px 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(10, 15, 20, .85); }
.stage-label b { font-size: 14px; }
.stage-label span { color: var(--mist); font-size: 10px; }
.label-price { left: 7%; top: 15%; }
.label-use { right: 7%; bottom: 15%; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 60px 1fr; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.steps li:last-child { border-bottom: 0; }
.steps li > span { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--teal); color: #071514; font-weight: 700; }
.steps h3 { font-size: 25px; }
.steps p { margin-top: 10px; color: var(--mist); }

.outcome-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .75fr); gap: clamp(50px, 10vw, 140px); align-items: center; }
.outcome h2 span { color: #12695f; }
.lead-dark { max-width: 720px; margin-top: 28px; color: #66737a; font-size: 19px; }
.bill-bars { max-width: 650px; margin-top: 55px; }
.bill-bars > div { display: grid; grid-template-columns: 1fr 60px; align-items: center; gap: 12px; margin-top: 27px; }
.bill-bars span { grid-column: 1/-1; color: #647178; font-size: 13px; font-weight: 600; }
.bill-bars i { position: relative; display: block; width: var(--bar); height: 24px; border-radius: 999px; background: #bdcfcb; }
.bill-bars b { font-size: 13px; }
.bill-bars .target i { background: linear-gradient(90deg, #6fe07e, #2bb3a3); }
.bill-bars .target span, .bill-bars .target b { color: #10685f; }
.benefit-list { border-left: 3px solid var(--teal-light); padding-left: clamp(26px, 4vw, 48px); }
.benefit-list article { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid var(--line-dark); }
.benefit-list article:last-child { border-bottom: 0; }
.benefit-list .icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #ddf7e2; color: #10675f; font-weight: 700; }
.benefit-list h3 { font-size: 24px; }
.benefit-list p { margin-top: 9px; color: #667279; font-size: 15px; }

.funding { background: linear-gradient(155deg, #0b2c35, #0c3d43 55%, #0a2731); }
.funding-shell { position: relative; display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(42px, 8vw, 110px); padding: clamp(32px, 6vw, 76px); border: 1px solid rgba(111, 224, 126, .2); border-radius: 28px; overflow: hidden; background: rgba(5, 23, 28, .35); }
.funding-shell::before { content: ""; position: absolute; width: 440px; height: 440px; left: -200px; bottom: -230px; border-radius: 50%; background: rgba(111, 224, 126, .08); filter: blur(10px); }
.zero { color: var(--teal-light); font-size: clamp(96px, 14vw, 176px); font-weight: 600; }
.funding-main h2 { max-width: 480px; font-size: clamp(38px, 4.4vw, 66px); }
.funding-main > p:not(.eyebrow) { max-width: 520px; margin-top: 25px; color: #bdd0d2; }
.funding-details article { display: grid; grid-template-columns: 50px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.funding-details article > span { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--teal-light); color: #0a2e30; font-weight: 700; }
.funding-details article:nth-child(2) > span { background: var(--teal); }
.funding-details article:nth-child(3) > span { background: #fff; }
.funding-details p { margin-top: 8px; color: #a9bdc1; font-size: 15px; }
.funding-condition { grid-column: 1/-1; margin-top: 8px; padding: 14px 18px; border: 1px solid rgba(111, 224, 126, .15); border-radius: 10px; background: rgba(24, 118, 84, .55); text-align: center; color: #dcefe2; font-size: 13px; font-weight: 600; }

.installation { background: var(--paper-2); color: var(--ink); }
.installation-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .78fr); gap: clamp(45px, 8vw, 110px); align-items: center; }
.installation-photo { position: relative; border-radius: 26px; overflow: hidden; background: #0a2e34; box-shadow: 0 30px 75px rgba(15, 39, 43, .17); }
.installation-photo img { width: 100%; aspect-ratio: 1.25; object-fit: cover; object-position: 50% 45%; }
.installation-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, rgba(5, 18, 22, .85)); }
.installation-photo span { position: absolute; z-index: 2; left: 24px; right: 24px; bottom: 20px; color: #dfe9eb; font-size: 12px; }
.installation-copy h2 { margin-bottom: 25px; }
.installation-copy > p:not(.eyebrow) { color: #5e6c73; font-size: 18px; }
.check-list { list-style: none; margin: 34px 0 0; padding: 0; }
.check-list li { position: relative; padding: 16px 0 16px 36px; border-bottom: 1px solid var(--line-dark); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #0d766a; font-weight: 700; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; margin: 0; padding: 0; }
.timeline::before { content: ""; position: absolute; z-index: 0; left: 10%; right: 10%; top: 34px; height: 2px; background: #bfd0cc; }
.timeline li { position: relative; z-index: 1; padding: 0 22px; text-align: center; }
.timeline li > span { display: grid; place-items: center; width: 68px; height: 68px; margin: 0 auto 28px; border: 6px solid var(--paper); border-radius: 50%; background: var(--teal-light); color: #10403a; font-weight: 700; }
.timeline li:last-child > span { background: var(--teal); }
.timeline h3 { font-size: 24px; }
.timeline p { max-width: 190px; margin: 10px auto 0; color: #6a777d; font-size: 14px; }

.viability { background: var(--ink); }
.viability-shell { display: grid; grid-template-columns: 1.2fr .8fr; gap: 50px; align-items: end; padding: clamp(34px, 6vw, 78px); border: 1px solid rgba(43, 179, 163, .25); border-radius: 28px; background: radial-gradient(circle at 90% 15%, rgba(43, 179, 163, .14), transparent 34%), var(--ink-2); }
.viability h2 { max-width: 800px; }
.viability p:not(.eyebrow) { max-width: 720px; margin-top: 25px; color: #aebec5; font-size: 18px; }
.viability-action { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.phone-link { color: #d9e5e8; border-bottom: 1px solid rgba(255, 255, 255, .22); }
.viability-action small { color: var(--mist); }

.clients .section-head { align-items: center; }
.association { width: min(260px, 100%); justify-self: end; opacity: .6; filter: grayscale(1) contrast(1.2); }
.logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1px; border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; background: var(--line-dark); }
.logo-grid img { width: 100%; height: 120px; padding: 30px 23px; object-fit: contain; background: #fff; filter: grayscale(1); opacity: .78; transition: opacity .2s, filter .2s; }
.logo-grid img:hover { filter: grayscale(0); opacity: 1; }

.faq { background: var(--ink); }
.faq-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(50px, 9vw, 130px); }
.faq-grid > div:first-child > p:not(.eyebrow) { max-width: 450px; margin-top: 26px; color: var(--mist); }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 27px 48px 27px 0; cursor: pointer; list-style: none; font: 600 23px/1.25 "Inter Tight"; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 3px; top: 25px; color: var(--teal); font-size: 28px; font-weight: 400; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { max-width: 760px; padding: 0 60px 28px 0; color: var(--mist); }

.secondary-services { padding: 48px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0d141a; }
.secondary-inner { display: grid; grid-template-columns: .65fr 1.2fr auto; gap: 40px; align-items: center; }
.secondary-inner .eyebrow { margin-bottom: 10px; }
.secondary-inner h2 { font-size: 30px; }
.secondary-inner > p { color: #84949d; font-size: 14px; }
.secondary-inner > a { color: var(--teal); font-weight: 600; }

.final-cta { position: relative; padding: clamp(100px, 14vw, 190px) 0; overflow: hidden; background: #081115; text-align: center; }
.final-cta::before { content: ""; position: absolute; width: 800px; height: 800px; left: 50%; top: 45%; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(43, 179, 163, .18), transparent 66%); }
.final-inner { position: relative; z-index: 1; }
.final-cta h2 { max-width: 1000px; margin: 0 auto 38px; }

footer { padding: 70px 0 24px; border-top: 1px solid var(--line); background: #070b0e; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .7fr .8fr; gap: 60px; }
.footer-grid img { width: 170px; padding: 8px 12px; border-radius: 11px; background: #fff; }
.footer-grid p { max-width: 420px; margin-top: 20px; color: #83939c; font-size: 14px; }
.footer-grid h3 { margin-bottom: 20px; color: #fff; font: 600 13px/1.2 "Inter"; letter-spacing: .12em; text-transform: uppercase; }
.footer-grid a { display: block; margin-top: 10px; color: #96a5ad; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 23px; border-top: 1px solid var(--line); color: #65747c; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in-view { opacity: 1; transform: none; }

@media (max-width: 1080px) {
  .nav { display: none; }
  .hero-inner { grid-template-columns: 1fr; align-items: center; padding-top: 130px; }
  .hero-card { max-width: 390px; justify-self: end; }
  .market-grid, .how-grid, .outcome-grid, .installation-grid, .faq-grid { grid-template-columns: 1fr; }
  .funding-shell { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
  .secondary-inner { grid-template-columns: 1fr 1.4fr; }
  .secondary-inner > a { grid-column: 2; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .section-pad { padding-block: 80px; }
  .header-inner { min-height: 66px; }
  .brand img { height: 40px; }
  .header-cta { min-height: 40px; padding: 0 14px; font-size: 12px; }
  .hero { min-height: 920px; }
  .hero-bg { background-position: 58% center; }
  .hero::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(7, 13, 18, .92), rgba(7, 13, 18, .22)), linear-gradient(180deg, transparent 45%, rgba(7, 13, 18, .95)); }
  .hero-inner { display: block; padding-top: 122px; }
  .hero h1 { font-size: clamp(47px, 13vw, 68px); }
  .hero-lead { font-size: 18px; }
  .hero-card { max-width: 360px; margin-top: 48px; }
  .hero-orbit { left: 66%; top: 34%; }
  .orbit-one { width: 360px; height: 360px; }
  .orbit-two { width: 440px; height: 440px; }
  .scroll-hint { display: none; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .trust-grid > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .section-head { grid-template-columns: 1fr; gap: 25px; margin-bottom: 50px; }
  .chart-head { display: block; }
  .chart-range { display: inline-block; margin-top: 20px; }
  .battery-stage { min-height: 500px; }
  .outcome-grid { gap: 55px; }
  .funding-shell { padding: 32px 22px; }
  .timeline { grid-template-columns: 1fr 1fr; gap: 42px 10px; }
  .timeline::before { display: none; }
  .viability-shell { grid-template-columns: 1fr; padding: 32px 24px; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .logo-grid img { height: 100px; padding: 25px 17px; }
  .association { justify-self: start; }
  .secondary-inner { grid-template-columns: 1fr; gap: 18px; }
  .secondary-inner > a { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1/-1; }
}

@media (max-width: 480px) {
  .header-cta.btn.sm { width: 42px; min-width: 42px; padding: 0; overflow: hidden; font-size: 0; }
  .header-cta span { font-size: 18px; }
  .hero { min-height: 960px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-trust { font-size: 12px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid span { font-size: 10px; }
  .price-chart { margin-top: 16px; }
  .chart-source { margin-top: 10px; }
  .explain-stack article { grid-template-columns: 42px 1fr; padding: 22px 18px; }
  .battery-stage { min-height: 440px; }
  .battery-unit { width: 170px; height: 310px; }
  .stage-label { padding: 10px 11px; }
  .steps li { grid-template-columns: 48px 1fr; gap: 15px; }
  .steps li > span { width: 42px; height: 42px; }
  .bill-bars > div { grid-template-columns: 1fr 44px; }
  .benefit-list { padding-left: 20px; }
  .timeline { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { gap: 45px; }
  summary { font-size: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid > div:first-child { grid-column: 1; }
  .footer-bottom { flex-direction: column; gap: 7px; }
}

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

@media print {
  .site-header, .scroll-hint { display: none; }
  .hero { min-height: 700px; }
  .reveal { opacity: 1; transform: none; }
}