/* Ohmpere Energy — site styles
   Palette and line language come from the Ohmpere brand package:
   deep teal #102F2C, lime #C5E86C, cream #F3EEDF.
   Every illustration is drawn with square-ended strokes, like the logo. */

:root {
  --teal: #102F2C;
  --teal-deep: #0A2120;
  --teal-mid: #1C4540;
  --sage: #8FA68A;
  --lime: #C5E86C;
  --lime-dim: #A9CB55;
  --cream: #F3EEDF;
  --paper: #FAF7EE;
  --ink: #102F2C;
  --ink-soft: #3E5853;
  --rule: rgba(16, 47, 44, 0.18);
  --rule-light: rgba(243, 238, 223, 0.18);

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --wide: 125%;
  --semi: 112%;

  --step--1: clamp(0.84rem, 0.8rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.09rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.45vw, 1.42rem);
  --step-2: clamp(1.5rem, 1.3rem + 0.9vw, 2rem);
  --step-3: clamp(1.9rem, 1.5rem + 1.8vw, 3rem);
  --step-4: clamp(2.4rem, 1.7rem + 3.4vw, 4.6rem);

  --gutter: clamp(16px, 4vw, 56px);
  --max: 1240px;
  --stroke: 3;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--step-0);
  line-height: 1.6;
  font-variation-settings: "wdth" 100;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
p { margin: 0 0 1em; max-width: 64ch; }
h1, h2, h3 { margin: 0; font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
h2 { font-size: var(--step-3); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 500; max-width: 18ch; }
h3 { font-size: var(--step-1); font-stretch: var(--semi); font-variation-settings: "wdth" 112; font-weight: 600; line-height: 1.25; }

:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; }
.on-paper :focus-visible { outline-color: var(--teal); }

.skip { position: absolute; left: -9999px; top: 0; background: var(--lime); color: var(--teal); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 16px; top: 12px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  min-height: 48px; padding: 0.7em 1.25em;
  font: inherit; font-weight: 600; font-size: var(--step-0);
  text-decoration: none; cursor: pointer;
  border: 2px solid currentColor; border-radius: 0;
  background: transparent; color: inherit;
  transition: background-color .15s ease, color .15s ease;
}
.btn-lime { background: var(--lime); border-color: var(--lime); color: var(--teal); }
.btn-lime:hover { background: var(--cream); border-color: var(--cream); }
.btn-ghost:hover { background: var(--cream); color: var(--teal); border-color: var(--cream); }
.btn-teal { background: var(--teal); border-color: var(--teal); color: var(--cream); }
.btn-teal:hover { background: var(--teal-mid); border-color: var(--teal-mid); }
.btn .plug { width: 18px; height: 18px; flex: none; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--teal);
  color: var(--cream);
  border-bottom: 1px solid var(--rule-light);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 72px; }
.brand { display: block; width: 190px; flex: none; }
.brand img { width: 100%; height: auto; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2vw, 30px); }
.nav a { text-decoration: none; font-size: var(--step--1); font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-bottom-color: var(--lime); }
.nav .btn { min-height: 40px; padding: 0.45em 1em; font-size: var(--step--1); border-bottom-width: 2px; }
.nav .btn:hover { border-bottom-color: var(--cream); }
.menu-toggle { display: none; }

@media (max-width: 900px) {
  .brand { width: 160px; }
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; margin-right: -10px;
    background: none; border: 0; color: var(--cream); cursor: pointer;
  }
  .menu-toggle svg { width: 26px; height: 26px; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--teal); border-bottom: 1px solid var(--rule-light);
    padding: 8px var(--gutter) 24px;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule-light); font-size: var(--step-0); }
  .nav a:hover { border-bottom-color: var(--rule-light); color: var(--lime); }
  .nav .btn { margin-top: 18px; justify-content: center; min-height: 48px; }
}

/* ---------- hero ---------- */
.hero { background: var(--teal); color: var(--cream); overflow: hidden; }
.hero .wrap { padding-top: clamp(48px, 9vh, 110px); padding-bottom: 0; }
.hero h1 {
  font-size: var(--step-4);
  font-stretch: var(--wide); font-variation-settings: "wdth" 125;
  font-weight: 400; line-height: 1.02; letter-spacing: -0.02em;
  max-width: 13ch;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); align-items: end; }
.hero-copy p { margin-top: 26px; font-size: var(--step-1); line-height: 1.5; color: rgba(243, 238, 223, 0.86); max-width: 38ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }

.trace { margin-top: clamp(40px, 7vh, 80px); position: relative; }
.trace svg { width: 100%; height: auto; overflow: visible; }
.trace .line { fill: none; stroke: var(--lime); stroke-width: var(--stroke); stroke-linecap: butt; stroke-linejoin: miter; vector-effect: non-scaling-stroke; }
.trace .arc { fill: none; stroke: var(--cream); stroke-width: var(--stroke); stroke-linecap: butt; vector-effect: non-scaling-stroke; }
.trace .tick { stroke: var(--rule-light); stroke-width: 1; vector-effect: non-scaling-stroke; }
.trace .reveal { transform-box: view-box; transform-origin: 0 0; transform: scaleX(0); animation: reveal 2.4s cubic-bezier(.55,.05,.25,1) .25s forwards; }
@keyframes reveal { to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .trace .reveal { animation: none; transform: none; } }

/* hero photo bleeds off the right edge on wide screens */
.hero-photo { margin: 0; position: relative; align-self: stretch; min-height: 340px; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; background: var(--teal-mid); }
@media (min-width: 861px) {
  .hero-photo { margin-right: calc(-1 * (var(--gutter) + max(0px, (100vw - var(--max)) / 2))); margin-bottom: calc(-1 * clamp(40px, 7vh, 80px)); }
  .hero-photo img { position: absolute; inset: 0; }
}
.hero .trace { position: relative; z-index: 1; }
@media (max-width: 860px) { .hero-photo { min-height: 0; aspect-ratio: 4 / 3; margin: 8px calc(-1 * var(--gutter)) 0; } .hero-photo img { position: absolute; inset: 0; } }

.hub-photo { margin: 22px 0 0; }
.hub-photo img, .driver-photo img, .map-photo img { width: 100%; height: auto; background: var(--teal-mid); }
.hub-photo img { aspect-ratio: 1200 / 560; object-fit: cover; }
.driver-photo { margin: 32px 0 0; }
.driver-photo img { aspect-ratio: 900 / 640; object-fit: cover; }
.map-photo { margin: 0 0 18px; }
.map-photo img { aspect-ratio: 1300 / 520; object-fit: cover; filter: saturate(.85); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .two-col { grid-template-columns: 1fr; } }

.stack-labels {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--rule-light);
}
.stack-labels div { padding: 18px 16px 30px 0; }
.stack-labels div + div { padding-left: 16px; border-left: 1px solid var(--rule-light); }
.stack-labels strong { display: block; font-size: var(--step-1); font-stretch: var(--semi); font-variation-settings: "wdth" 112; font-weight: 500; }
.stack-labels span { font-size: var(--step--1); color: rgba(243, 238, 223, 0.64); }
.stack-labels .live strong { color: var(--lime); }
@media (max-width: 640px) {
  .stack-labels { grid-template-columns: repeat(2, 1fr); }
  .stack-labels div:nth-child(3) { padding-left: 0; border-left: 0; }
  .stack-labels div:nth-child(n+3) { border-top: 1px solid var(--rule-light); }
}

/* ---------- section scaffolding ---------- */
.section { padding: clamp(64px, 10vw, 128px) 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(20px, 5vw, 80px); margin-bottom: clamp(36px, 6vw, 72px); align-items: end; }
.section-head p { font-size: var(--step-1); line-height: 1.5; color: var(--ink-soft); margin: 0; }
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; } }

.on-teal { background: var(--teal); color: var(--cream); }
.on-teal .section-head p, .on-teal .muted { color: rgba(243, 238, 223, 0.78); }
.on-cream { background: var(--cream); }
.on-paper { background: var(--paper); }
.muted { color: var(--ink-soft); }

/* ---------- problem ---------- */
.problem-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.problem-grid .lede { font-size: var(--step-2); line-height: 1.3; font-weight: 400; max-width: 22ch; margin-top: 24px; }
.queue-fig figcaption { font-size: var(--step--1); color: var(--ink-soft); margin-top: 14px; max-width: 52ch; }
.queue-fig svg .s { fill: none; stroke: var(--teal); stroke-width: 2.5; stroke-linecap: butt; }
.queue-fig svg .l { fill: none; stroke: var(--lime-dim); stroke-width: 2.5; }
.queue-fig svg .d { fill: none; stroke: var(--teal); stroke-width: 1.5; stroke-dasharray: 4 5; }
.queue-fig svg text { font-family: var(--font); font-size: 14px; fill: var(--ink-soft); }
@media (max-width: 860px) { .problem-grid { grid-template-columns: 1fr; } }

/* ---------- calculator ---------- */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); border: 2px solid var(--teal); background: var(--paper); }
.calc-inputs { padding: clamp(20px, 3vw, 36px); border-right: 2px solid var(--teal); }
.calc-output { padding: clamp(20px, 3vw, 36px); background: var(--teal); color: var(--cream); display: flex; flex-direction: column; }
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; } .calc-inputs { border-right: 0; border-bottom: 2px solid var(--teal); } }

fieldset { border: 0; margin: 0 0 26px; padding: 0; min-width: 0; }
legend, .field-label { display: block; font-weight: 600; margin-bottom: 10px; font-size: var(--step-0); padding: 0; }
.field-note { font-size: var(--step--1); color: var(--ink-soft); margin: 6px 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chip label {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 1px;
  min-height: 48px; padding: 8px 14px;
  border: 1.5px solid var(--rule); cursor: pointer; background: var(--paper);
  line-height: 1.25; font-size: var(--step--1);
}
.chip label b { font-weight: 600; font-size: var(--step-0); }
.chip input:checked + label { background: var(--teal); color: var(--cream); border-color: var(--teal); }
.chip input:focus-visible + label { outline: 3px solid var(--teal); outline-offset: 2px; }
.chip label:hover { border-color: var(--teal); }

.range-row { display: grid; grid-template-columns: 1fr auto; gap: 14px; align-items: center; }
.range-row output { font-weight: 600; min-width: 6ch; text-align: right; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; height: 32px; background: transparent; -webkit-appearance: none; appearance: none; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 3px; background: var(--teal); }
input[type="range"]::-moz-range-track { height: 3px; background: var(--teal); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; margin-top: -9.5px; background: var(--lime); border: 2px solid var(--teal); border-radius: 0; }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; background: var(--lime); border: 2px solid var(--teal); border-radius: 0; }
input[type="range"]:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }

select { font: inherit; min-height: 48px; width: 100%; padding: 8px 12px; border: 1.5px solid var(--rule); background: var(--paper); color: var(--ink); border-radius: 0; }

.result-km { font-size: clamp(3.4rem, 2.4rem + 5vw, 6.4rem); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 300; line-height: 0.95; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.result-km small { font-size: 0.32em; font-weight: 500; letter-spacing: 0; margin-left: 0.2em; }
.result-sub { font-size: var(--step-1); margin: 10px 0 26px; color: rgba(243, 238, 223, 0.86); max-width: 30ch; }

.battery { margin-top: auto; }
.battery-bar { position: relative; height: 54px; border: 2px solid var(--cream); }
.battery-bar::after { content: ""; position: absolute; right: -9px; top: 15px; width: 7px; height: 20px; background: var(--cream); }
.battery-start, .battery-add { position: absolute; top: 4px; bottom: 4px; }
.battery-start { left: 4px; background: var(--sage); }
.battery-add { background: var(--lime); transition: width .45s cubic-bezier(.4,.1,.2,1), left .45s cubic-bezier(.4,.1,.2,1); }
@media (prefers-reduced-motion: reduce) { .battery-add { transition: none; } }
.battery-scale { display: flex; justify-content: space-between; font-size: var(--step--1); margin-top: 8px; color: rgba(243, 238, 223, 0.7); font-variant-numeric: tabular-nums; }
.compare { margin-top: 22px; border-top: 1px solid var(--rule-light); padding-top: 16px; font-size: var(--step--1); color: rgba(243, 238, 223, 0.8); }
.compare strong { color: var(--cream); }
.assumptions { margin-top: 18px; font-size: var(--step--1); color: var(--ink-soft); max-width: 90ch; }

/* ---------- hub drawing ---------- */
.hub-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
@media (max-width: 960px) { .hub-grid { grid-template-columns: 1fr; } }
.drawing { border: 1px solid var(--rule-light); padding: clamp(12px, 2vw, 24px); }
.drawing svg { width: 100%; height: auto; }
.drawing svg .c { stroke: var(--cream); fill: none; stroke-width: 2; stroke-linecap: butt; stroke-linejoin: miter; }
.drawing svg .lm { stroke: var(--lime); fill: none; stroke-width: 2.5; stroke-linecap: butt; }
.drawing svg .fut { stroke: var(--sage); fill: none; stroke-width: 1.5; stroke-dasharray: 6 6; }
.drawing svg .bay { stroke: rgba(243,238,223,0.45); fill: none; stroke-width: 1.5; }
.drawing svg text { font-family: var(--font); fill: var(--cream); font-size: 13px; }
.drawing svg .tl { fill: var(--lime); font-weight: 600; }
.drawing svg .ts { fill: var(--sage); }
.drawing-key { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: var(--step--1); margin-top: 14px; color: rgba(243,238,223,0.75); }
.drawing-key span { display: inline-flex; align-items: center; gap: 8px; }
.drawing-key i { display: inline-block; width: 26px; height: 0; border-top: 2.5px solid var(--lime); }
.drawing-key i.c { border-top-color: var(--cream); border-top-width: 2px; }
.drawing-key i.f { border-top: 1.5px dashed var(--sage); }

.spec { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-light); }
.spec li { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--rule-light); }
.spec .k { font-weight: 600; font-stretch: var(--semi); font-variation-settings: "wdth" 112; color: var(--lime); line-height: 1.3; }
.spec .v { color: rgba(243, 238, 223, 0.86); }
@media (max-width: 480px) { .spec li { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- hosts ---------- */
.split-ledger { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 2px solid var(--teal); border-bottom: 2px solid var(--teal); }
.split-ledger > div { padding: clamp(20px, 3vw, 34px) clamp(0px, 3vw, 34px) clamp(20px, 3vw, 34px) 0; }
.split-ledger > div + div { padding-left: clamp(20px, 3vw, 34px); border-left: 2px solid var(--teal); }
.split-ledger h3 { margin-bottom: 14px; }
.split-ledger ul { margin: 0; padding: 0; list-style: none; }
.split-ledger li { padding: 8px 0 8px 26px; position: relative; border-bottom: 1px solid var(--rule); }
.split-ledger li:last-child { border-bottom: 0; }
.split-ledger li::before { content: ""; position: absolute; left: 0; top: 1.05em; width: 14px; border-top: 2.5px solid var(--teal); }
.split-ledger .ours li::before { border-top-color: var(--lime-dim); }
@media (max-width: 760px) {
  .split-ledger { grid-template-columns: 1fr; }
  .split-ledger > div { padding-right: 0; }
  .split-ledger > div + div { padding-left: 0; border-left: 0; border-top: 2px solid var(--teal); }
}

.models { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin-top: clamp(40px, 6vw, 72px); }
.model { padding: 0 clamp(16px, 2.4vw, 32px) 0 0; }
.model + .model { padding-left: clamp(16px, 2.4vw, 32px); border-left: 1px solid var(--rule); }
.model svg { width: 100%; max-width: 220px; height: 74px; margin-bottom: 16px; }
.model svg .s { fill: none; stroke: var(--teal); stroke-width: 2.5; }
.model svg .l { fill: none; stroke: var(--lime-dim); stroke-width: 2.5; }
.model h3 { margin-bottom: 8px; }
.model p { color: var(--ink-soft); font-size: var(--step--1); margin: 0; }
.model .pref { display: inline-block; margin-top: 10px; font-size: var(--step--1); font-weight: 600; border-bottom: 2.5px solid var(--lime-dim); }
@media (max-width: 760px) {
  .models { grid-template-columns: 1fr; gap: 28px; }
  .model, .model + .model { padding: 0; border-left: 0; }
  .model + .model { padding-top: 28px; border-top: 1px solid var(--rule); }
}

.steps { list-style: none; margin: clamp(48px, 7vw, 88px) 0 0; padding: 0; counter-reset: step; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.steps li { counter-increment: step; position: relative; padding: 46px 18px 0 0; }
.steps li::before {
  content: counter(step);
  position: absolute; top: 0; left: 0;
  font-size: var(--step-2); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 300; line-height: 1;
}
.steps li::after { content: ""; position: absolute; top: 14px; left: 34px; right: 10px; border-top: 2px solid var(--teal); }
.steps li:last-child::after { border-top-style: dashed; border-top-color: var(--lime-dim); }
.steps h3 { font-size: var(--step-0); margin-bottom: 6px; }
.steps p { font-size: var(--step--1); color: var(--ink-soft); margin: 0; }
@media (max-width: 960px) {
  .steps { grid-template-columns: 1fr; }
  .steps li { padding: 0 0 26px 58px; }
  .steps li::after { top: 36px; bottom: 6px; left: 12px; right: auto; border-top: 0; border-left: 2px solid var(--teal); }
  .steps li:last-child::after { display: none; }
}
.honest { margin-top: clamp(40px, 6vw, 64px); display: grid; grid-template-columns: 70px minmax(0, 1fr); gap: 20px; align-items: start; padding-top: 28px; border-top: 1px solid var(--rule); }
.honest svg .s { fill: none; stroke: var(--teal); stroke-width: 2.5; }
.honest svg .l { fill: none; stroke: var(--lime-dim); stroke-width: 2.5; }
.honest p { font-size: var(--step-1); line-height: 1.45; margin: 0; max-width: 46ch; }

/* ---------- drivers ---------- */
.driver-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
@media (max-width: 860px) { .driver-grid { grid-template-columns: 1fr; } }
.session { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.session li { counter-increment: s; display: grid; grid-template-columns: 54px minmax(0, 1fr) auto; gap: 14px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.session li:first-child { border-top: 1px solid var(--rule); }
.session li::before { content: counter(s); font-size: var(--step-1); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 300; }
.session .t { font-size: var(--step--1); color: var(--ink-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
.session b { font-weight: 600; }
.connectors { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 30px; }
.connector svg { width: 64px; height: 64px; margin-bottom: 10px; }
.connector svg .s { fill: none; stroke: var(--teal); stroke-width: 2.5; }
.connector h3 { font-size: var(--step-0); }
.connector p { font-size: var(--step--1); color: var(--ink-soft); margin: 4px 0 0; }

/* ---------- roadmap (stack + rollout) ---------- */
.energy-stack { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--rule-light); }
.layer { padding: 24px clamp(14px, 2vw, 28px) 30px 0; }
.layer + .layer { padding-left: clamp(14px, 2vw, 28px); border-left: 1px solid var(--rule-light); }
.layer svg { width: 76px; height: 64px; margin-bottom: 18px; }
.layer svg .c { fill: none; stroke: var(--cream); stroke-width: 2.5; }
.layer svg .l { fill: none; stroke: var(--lime); stroke-width: 2.5; }
.layer h3 { font-size: var(--step-2); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 400; }
.layer .when { display: inline-block; margin: 8px 0 12px; font-size: var(--step--1); padding: 2px 8px; border: 1px solid var(--rule-light); }
.layer.now .when { background: var(--lime); color: var(--teal); border-color: var(--lime); font-weight: 600; }
.layer p { font-size: var(--step--1); color: rgba(243, 238, 223, 0.8); margin: 0; }
@media (max-width: 900px) {
  .energy-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .layer:nth-child(3) { padding-left: 0; border-left: 0; }
  .layer:nth-child(n+3) { border-top: 1px solid var(--rule-light); }
}
@media (max-width: 520px) {
  .energy-stack { grid-template-columns: 1fr; }
  .layer, .layer + .layer { padding-left: 0; border-left: 0; }
  .layer + .layer { border-top: 1px solid var(--rule-light); }
}

.rollout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; margin-top: clamp(64px, 9vw, 120px); }
@media (max-width: 960px) { .rollout { grid-template-columns: 1fr; } }
.route-map svg { width: 100%; height: auto; }
.route-map .p1 { stroke: var(--lime); stroke-width: 4; fill: none; }
.route-map .p2 { stroke: var(--cream); stroke-width: 3; fill: none; }
.route-map .p3 { stroke: var(--sage); stroke-width: 3; fill: none; stroke-dasharray: 10 7; }
.route-map .coast { stroke: rgba(243,238,223,0.22); stroke-width: 1.5; fill: none; }
.route-map circle { fill: var(--teal); stroke-width: 3; }
.route-map .n1 { stroke: var(--lime); }
.route-map .n2 { stroke: var(--cream); }
.route-map .n3 { stroke: var(--sage); }
.route-map text { font-family: var(--font); fill: var(--cream); font-size: 14px; }
.route-map .sm { font-size: 12px; fill: rgba(243,238,223,0.6); }
.phases { list-style: none; margin: 0; padding: 0; }
.phases li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--rule-light); }
.phases li:first-child { border-top: 1px solid var(--rule-light); }
.phases .sw { margin-top: 0.55em; height: 0; border-top: 4px solid var(--lime); }
.phases .sw.b { border-top: 3px solid var(--cream); }
.phases .sw.c { border-top: 3px dashed var(--sage); }
.phases .sw.d { border-top: 3px dotted var(--sage); }
.phases h3 { font-size: var(--step-0); }
.phases p { margin: 2px 0 0; font-size: var(--step--1); color: rgba(243, 238, 223, 0.78); }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid .big { font-size: var(--step-2); line-height: 1.32; font-weight: 400; max-width: 24ch; }
.facts { margin: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--teal); }
.facts div { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--rule); }
.facts div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--rule); }
.facts dt { font-size: var(--step--1); color: var(--ink-soft); }
.facts dd { margin: 2px 0 0; font-weight: 600; }

/* ---------- FAQ ---------- */
.faq-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(24px, 5vw, 72px); }
@media (max-width: 860px) { .faq-cols { grid-template-columns: 1fr; } }
.faq-cols h3 { font-size: var(--step-1); padding-bottom: 14px; border-bottom: 2px solid var(--teal); margin-top: 20px; }
details { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; list-style: none; padding: 16px 40px 16px 0; font-weight: 600; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after, summary::before { content: ""; position: absolute; right: 6px; top: 50%; width: 14px; border-top: 2.5px solid var(--teal); }
summary::before { transform: rotate(90deg); transition: transform .2s ease; }
details[open] summary::before { transform: rotate(0deg); }
@media (prefers-reduced-motion: reduce) { summary::before { transition: none; } }
details > div { padding: 0 0 18px; color: var(--ink-soft); }
details > div p:last-child { margin-bottom: 0; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-grid .direct { margin-top: 28px; font-size: var(--step-1); }
.contact-grid .direct a { color: var(--lime); }
form .row { margin-bottom: 18px; }
form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { form .two { grid-template-columns: 1fr; } }
form label { display: block; font-weight: 600; margin-bottom: 6px; }
#contact-form input[type="text"], #contact-form input[type="email"], #contact-form textarea {
  width: 100%; font: inherit; color: var(--cream);
  background: var(--teal-deep); border: 1.5px solid rgba(243, 238, 223, 0.32); border-radius: 0;
  padding: 12px 14px; min-height: 48px;
}
#contact-form textarea { min-height: 140px; resize: vertical; }
#contact-form input:focus, #contact-form textarea:focus { border-color: var(--lime); outline: 2px solid var(--lime); outline-offset: 0; }
.on-teal .chips label { background: transparent; border-color: rgba(243,238,223,0.32); color: var(--cream); }
.on-teal .chip input:checked + label { background: var(--lime); color: var(--teal); border-color: var(--lime); }
.on-teal .chip input:focus-visible + label { outline-color: var(--lime); }
.form-note { font-size: var(--step--1); color: rgba(243, 238, 223, 0.7); margin-top: 12px; }
.form-error { color: var(--lime); font-weight: 600; margin-top: 10px; min-height: 1.6em; }

/* ---------- footer ---------- */
.site-footer { background: var(--teal-deep); color: rgba(243, 238, 223, 0.8); padding: 56px 0 40px; font-size: var(--step--1); }
.site-footer .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 32px; }
.site-footer img { width: 220px; height: auto; margin-bottom: 14px; }
.site-footer h2 { font-size: var(--step-0); font-stretch: 100%; font-variation-settings: "wdth" 100; font-weight: 600; color: var(--cream); margin-bottom: 10px; max-width: none; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin: 6px 0; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--lime); text-decoration: underline; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--rule-light); padding-top: 22px; margin-top: 12px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
@media (max-width: 760px) { .site-footer .wrap { grid-template-columns: 1fr 1fr; } .site-footer .wrap > div:first-child { grid-column: 1 / -1; } }

/* ---------- simple pages ---------- */
.page { padding: clamp(56px, 9vw, 110px) 0; }
.page h1 { font-size: var(--step-3); font-stretch: var(--wide); font-variation-settings: "wdth" 125; font-weight: 400; margin-bottom: 28px; max-width: 18ch; }
.page h2 { font-size: var(--step-1); font-stretch: var(--semi); font-variation-settings: "wdth" 112; margin: 36px 0 10px; max-width: none; }
.page ul { max-width: 64ch; padding-left: 1.2em; }

/* ---------- charger map ---------- */
.map-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 28px; margin-bottom: 16px; }
.map-filters { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.map-filters label { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: var(--step--1); min-height: 32px; }
.map-filters input { width: 18px; height: 18px; accent-color: var(--lime); }
.map-filters i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; }
.key-ac { background: var(--cream); }
.key-dc { background: var(--lime); }
.map-meta { margin: 0; font-size: var(--step--1); color: rgba(243, 238, 223, 0.72); }
.charger-map { height: clamp(420px, 68vh, 640px); border: 1px solid var(--rule-light); background: var(--teal-mid); }
.charger-map.is-embed iframe { width: 100%; height: 100%; border: 0; display: block; }
.charger-map .leaflet-tile-pane { filter: grayscale(.9) sepia(.15) brightness(.98); }
.pin span { display: block; width: 14px; height: 14px; border-radius: 50%; border: 2px solid var(--teal); box-shadow: 0 0 0 1px rgba(243,238,223,.6); }
.pin-ac span { background: var(--cream); }
.pin-dc span { background: var(--lime); }
.pin-off span { background: #9aa39f; opacity: .7; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { border-radius: 0; background: var(--paper); color: var(--ink); }
.leaflet-popup-content { font-family: var(--font); font-size: 14px; line-height: 1.45; margin: 14px 16px; }
.leaflet-popup-content strong { display: block; font-size: 15px; margin-bottom: 2px; }
.leaflet-popup-content ul { margin: 8px 0; padding-left: 18px; }
.leaflet-popup-content a { color: var(--teal); font-weight: 600; }
.pop-op, .pop-src { color: var(--ink-soft); font-size: 13px; }
.pop-st { font-size: 13px; margin-bottom: 6px; }
.pop-st.st-100 { color: #9b2c1f; font-weight: 600; }
.pop-st.st-50 { color: #2f6b2a; }
.leaflet-container a.leaflet-popup-close-button { color: var(--ink); }