@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-latin-wght.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #05070d;
  --bg-2: #0a0f1c;
  --panel: rgba(17, 24, 42, 0.62);
  --line: rgba(148, 163, 205, 0.16);
  --text: #e8ecf5;
  --muted: #9aa6c2;
  --mint: #5ef2c2;
  --violet: #7c6cff;
  --sun: #ffd166;
  --radius: 22px;
  --grad: linear-gradient(100deg, var(--mint) 0%, #8be9ff 45%, var(--violet) 100%);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.75);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; }
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.035em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.8rem, 7vw, 5.6rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 750; max-width: 18ch; }
h3 { font-size: 1.2rem; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--mint); color: #000; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 6px; }

.grad {
  background: var(--grad);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 8s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }

/* ---------- background ---------- */
.aurora { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.aurora span {
  position: absolute; width: 60vmax; height: 60vmax; border-radius: 50%;
  filter: blur(90px); opacity: 0.32; mix-blend-mode: screen;
  animation: drift 26s ease-in-out infinite alternate;
}
.aurora span:nth-child(1) { background: var(--mint); top: -25vmax; left: -15vmax; }
.aurora span:nth-child(2) { background: var(--violet); top: 10vmax; right: -25vmax; animation-duration: 32s; }
.aurora span:nth-child(3) { background: #1d4ed8; bottom: -30vmax; left: 20vmax; opacity: 0.22; animation-duration: 38s; }
@keyframes drift { to { transform: translate3d(8vmax, 6vmax, 0) scale(1.15); } }
.sparks { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.55; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
  opacity: 0.35;
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 14px; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  max-width: var(--max); margin: 14px auto 0; padding: 10px 12px 10px 18px;
  background: rgba(8, 12, 22, 0.55); backdrop-filter: blur(18px) saturate(1.4);
  border: 1px solid var(--line); border-radius: 999px;
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled { background: rgba(8, 12, 22, 0.85); box-shadow: var(--shadow); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; letter-spacing: -0.02em; font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand b { font-weight: 800; }
.brand span { white-space: nowrap; }
.brand-mark { width: 30px; height: 30px; }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--muted); font-size: .93rem; font-weight: 500; }
.nav nav a:hover { color: var(--text); text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; font-weight: 650; font-size: 1rem;
  border: 1px solid transparent; cursor: pointer; font-family: inherit;
  transition: transform .2s ease, box-shadow .3s ease, background .3s;
  text-decoration: none !important; white-space: nowrap;
}
.btn-sm { padding: 9px 18px; font-size: .9rem; }
.btn-block { width: 100%; }
.btn-glow { background: var(--grad); background-size: 160% auto; color: #04121a; box-shadow: 0 10px 40px -10px rgba(94, 242, 194, .65); }
.btn-glow:hover { transform: translateY(-2px); background-position: right center; box-shadow: 0 16px 50px -10px rgba(124, 108, 255, .75); }
.btn-ghost { background: rgba(255,255,255,0.04); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }
.linklike { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; }
.linklike:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max); margin: 0 auto; padding: clamp(60px, 10vw, 120px) 24px 60px;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center;
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--mint); font-weight: 600; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 0 rgba(94,242,194,.7); animation: ping 2s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 12px rgba(94,242,194,0); } 100% { box-shadow: 0 0 0 0 rgba(94,242,194,0); } }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: #c7cfe2; max-width: 34ch; }
.lede strong { color: var(--text); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0 14px; }
.micro { font-size: .82rem; color: var(--muted); }

.hero-visual { position: relative; }
.hero-visual::before {
  content: ""; position: absolute; inset: 8% 6%; border-radius: 40px;
  background: radial-gradient(circle at 50% 50%, rgba(94,242,194,.18), transparent 65%);
  filter: blur(20px);
}
.flow { position: relative; width: 100%; height: auto; }
.wire { fill: none; stroke: rgba(148,163,205,.25); stroke-width: 2.5; stroke-dasharray: 6 8; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -28; } }
.spark { filter: url(#glow); }
.s-sun { fill: var(--sun); }
.s-grid { fill: var(--violet); }
.s-home, .s-sell { fill: var(--mint); }
.node-bg { fill: rgba(13, 19, 34, .9); stroke: rgba(148,163,205,.22); stroke-width: 1.5; }
.node-label { fill: var(--muted); font-size: 14px; font-weight: 600; text-anchor: middle; font-family: Inter, sans-serif; }
.sun-rays { transform-origin: 0 0; animation: spin 14s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.battery-fill { transform-origin: 0 56px; transform-box: view-box; animation: fill 7s ease-in-out infinite; }
@keyframes fill { 0%, 100% { transform: scaleY(.25); } 45%, 70% { transform: scaleY(1); } }
.battery-pct { fill: #04121a; font: 800 18px Inter, sans-serif; text-anchor: middle; mix-blend-mode: normal; }
.pound { fill: var(--mint); font: 800 34px Inter, sans-serif; text-anchor: middle; }

.live-chip {
  position: absolute; top: 0; left: 50%; transform: translate(-50%, -30%); z-index: 2;
  display: inline-flex; align-items: center; gap: 10px; max-width: 92%;
  padding: 10px 16px; border-radius: 999px; font-size: .88rem; color: #cfd6e8;
  background: rgba(10, 15, 28, .85); border: 1px solid var(--line); backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.live-chip b { color: var(--text); font-variant-numeric: tabular-nums; }
.pulse { flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); animation: ping 1.6s infinite; }

/* ---------- proof ---------- */
.proof {
  max-width: var(--max); margin: 0 auto 40px; padding: 30px 24px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.stat {
  padding: 26px 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(12px); display: flex; flex-direction: column; gap: 6px;
}
.stat .big { font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.stat .small { color: var(--muted); font-size: .92rem; }
.proof-note { grid-column: 1 / -1; color: var(--muted); font-size: .8rem; max-width: 80ch; margin: 4px 0 0; }

/* ---------- sections ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: clamp(70px, 10vw, 130px) 24px; }
.cards { display: grid; gap: 18px; margin-top: 40px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card, .tile {
  position: relative; padding: 30px; border-radius: var(--radius); background: var(--panel);
  border: 1px solid var(--line); backdrop-filter: blur(12px); overflow: hidden;
  transition: transform .35s ease, border-color .35s;
}
.card::after, .tile::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(94,242,194,.14), transparent 45%);
  opacity: 0; transition: opacity .3s;
}
.card:hover, .tile:hover { transform: translateY(-4px); border-color: rgba(94,242,194,.35); }
.card:hover::after, .tile:hover::after { opacity: 1; }
.card p, .tile p { color: #b9c2d8; margin: 0; }
.card-ico { font-size: 1.6rem; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: rgba(94,242,194,.1); border: 1px solid rgba(94,242,194,.25); margin-bottom: 18px; }

/* how */
.how-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; margin-top: 40px; }
.ring-wrap { position: relative; max-width: 380px; margin: 0 auto; width: 100%; }
.ring { width: 100%; height: auto; }
.ring-track { fill: none; stroke: rgba(148,163,205,.12); stroke-width: 22; }
.ring-cheap { fill: none; stroke: var(--violet); stroke-width: 22; stroke-linecap: round; filter: drop-shadow(0 0 10px rgba(124,108,255,.7)); }
.ring-peak { fill: none; stroke: url(#g1); stroke: var(--mint); stroke-width: 22; opacity: .85; }
.ring-hand { stroke: var(--text); stroke-width: 3; stroke-linecap: round; transform-origin: 120px 120px; transition: transform 1s cubic-bezier(.2,.8,.2,1); }
.ring-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: .8rem; margin-top: 10px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.step {
  display: grid; grid-template-columns: 92px 1fr; gap: 18px; padding: 22px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--panel); transition: border-color .4s, transform .4s, background .4s;
}
.step.active { border-color: rgba(94,242,194,.55); background: rgba(17, 32, 42, .72); transform: translateX(6px); }
.step .time { font-weight: 800; font-size: 1.15rem; color: var(--mint); font-variant-numeric: tabular-nums; }
.step h3 { margin-bottom: 4px; }
.step p { color: #b9c2d8; margin: 0; }

/* bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.tile-wide { grid-column: span 2; }
.tile-full { grid-column: 1 / -1; }
.tariff-bars { display: flex; align-items: flex-end; gap: 6px; height: 90px; margin-top: 22px; }
.tariff-bars i { flex: 1; height: var(--h); border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, var(--violet), rgba(124,108,255,.25)); transform-origin: bottom; animation: grow 1.2s cubic-bezier(.2,.8,.2,1) both; }
.tariff-bars i:nth-child(-n+5) { background: linear-gradient(180deg, var(--mint), rgba(94,242,194,.25)); }
.tariff-bars i:nth-child(n) { animation-delay: calc(var(--i, 0) * 60ms); }
@keyframes grow { from { transform: scaleY(0); } }

/* calculator */
.calc-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; margin-top: 40px; }
.calc-form, .calc-result { padding: 32px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(12px); }
.calc-form { display: grid; gap: 22px; }
.calc-form label { display: grid; gap: 10px; font-weight: 550; color: #cfd6e8; }
.calc-form output { float: right; color: var(--mint); font-weight: 700; font-variant-numeric: tabular-nums; }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 6px; background: linear-gradient(90deg, var(--mint) var(--p, 50%), rgba(148,163,205,.2) var(--p, 50%)); outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 6px rgba(94,242,194,.25); cursor: pointer; }
input[type=range]::-moz-range-thumb { width: 22px; height: 22px; border: 0; border-radius: 50%; background: #fff; box-shadow: 0 0 0 6px rgba(94,242,194,.25); cursor: pointer; }
.calc-result { display: flex; flex-direction: column; gap: 14px; background: linear-gradient(160deg, rgba(94,242,194,.08), rgba(124,108,255,.1)), var(--panel); }
.calc-result .small { color: var(--muted); }
.calc-big { font-size: clamp(3rem, 7vw, 4.6rem); font-weight: 850; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.calc-break { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.calc-break li { display: flex; justify-content: space-between; gap: 12px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); color: #c7cfe2; }
.calc-break b { color: var(--text); font-variant-numeric: tabular-nums; }

/* pricing */
.price-card {
  position: relative; max-width: 520px; margin: 40px auto 0; padding: 40px 36px; border-radius: 28px;
  background: var(--panel); border: 1px solid transparent; backdrop-filter: blur(14px);
  background-clip: padding-box; box-shadow: var(--shadow);
}
.price-card::before {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; z-index: -1;
  background: conic-gradient(from var(--angle, 0deg), var(--mint), var(--violet), #8be9ff, var(--mint));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: rotate 6s linear infinite;
}
@property --angle { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes rotate { to { --angle: 360deg; } }
.price-badge { display: inline-block; padding: 6px 12px; border-radius: 999px; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #04121a; background: var(--grad); }
.price { font-size: 4.4rem; font-weight: 850; letter-spacing: -0.05em; margin: 14px 0 6px; line-height: 1; }
.price .cur { font-size: 2rem; vertical-align: top; margin-right: 4px; }
.price .per { font-size: 1.1rem; color: var(--muted); font-weight: 500; letter-spacing: 0; margin-left: 6px; }
.ticks { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 12px; }
.ticks li { padding-left: 32px; position: relative; color: #cfd6e8; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: rgba(94,242,194,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%235ef2c2' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat; }

/* faq */
.faq-list { margin-top: 40px; display: grid; gap: 12px; max-width: 860px; }
.faq details { border: 1px solid var(--line); border-radius: 18px; background: var(--panel); padding: 0 24px; transition: border-color .3s; }
.faq details[open] { border-color: rgba(94,242,194,.4); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-weight: 600; font-size: 1.05rem; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--mint); font-size: 1.4rem; line-height: 1; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: #b9c2d8; padding-bottom: 20px; margin: 0; }

/* waitlist */
.wl-card {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; padding: clamp(28px, 5vw, 56px); border-radius: 32px;
  background: linear-gradient(140deg, rgba(94,242,194,.12), rgba(124,108,255,.14) 60%, rgba(10,15,28,.6)), var(--panel);
  border: 1px solid rgba(94,242,194,.25); box-shadow: var(--shadow);
}
.wl-copy h2 { max-width: none; }
.wl-copy p { color: #c7cfe2; }
.wl-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; }
.field-wide { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 600; color: #cfd6e8; }
.opt { color: var(--muted); font-weight: 400; }
input:not([type]), input[type=email], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: rgba(5, 8, 16, .7);
  border: 1px solid rgba(148,163,205,.28); border-radius: 14px; padding: 13px 14px;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mint); box-shadow: 0 0 0 4px rgba(94,242,194,.15); }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%239aa6c2' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 12px; }
textarea { resize: vertical; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: #c7cfe2; }
.check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--mint); flex: none; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.form-status { min-height: 1.4em; margin: 0; font-weight: 600; }
.form-status.ok { color: var(--mint); }
.form-status.err { color: #ff8fa3; }
input.invalid, select.invalid { border-color: #ff8fa3; }

/* footer */
.footer { max-width: var(--max); margin: 0 auto; padding: 50px 24px 40px; border-top: 1px solid var(--line); }
.foot-grid { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.foot-grid .micro { max-width: 46ch; margin-top: 12px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.foot-links a { color: var(--muted); }
.disclaimer { margin-top: 28px; }

/* cookie */
.cookie {
  position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 60;
  width: min(680px, calc(100% - 24px)); display: flex; align-items: center; gap: 18px; padding: 16px 18px;
  background: rgba(10, 15, 28, .94); border: 1px solid var(--line); border-radius: 20px; backdrop-filter: blur(16px); box-shadow: var(--shadow);
}
.cookie p { margin: 0; font-size: .88rem; color: #c7cfe2; }
.cookie-actions { display: flex; gap: 10px; flex: none; }

/* reveal on scroll */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.js .reveal.in { opacity: 1; transform: none; }
[hidden] { display: none !important; }

/* legal pages */
.legal { max-width: 820px; margin: 0 auto; padding: 80px 24px; }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
.legal h2 { font-size: 1.4rem; margin-top: 1.8em; max-width: none; }
.legal p, .legal li { color: #c7cfe2; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero, .how-grid, .calc-grid, .wl-card { grid-template-columns: 1fr; }
  .hero { padding-top: 50px; }
  .hero-visual { max-width: 560px; margin: 30px auto 0; width: 100%; }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .cards.three, .bento { grid-template-columns: 1fr 1fr; }
  .tile-wide { grid-column: span 2; }
  .nav nav { display: none; }
  .nav .btn { margin-left: auto; }
}
@media (max-width: 620px) {
  .nav { margin: 10px 12px 0; }
  .proof, .cards.three, .bento, .wl-form { grid-template-columns: 1fr; }
  .tile-wide { grid-column: auto; }
  .step { grid-template-columns: 1fr; gap: 6px; }
  .cookie { flex-direction: column; align-items: stretch; }
  .cookie-actions .btn { flex: 1; }
  .btn { white-space: normal; text-align: center; }
  .live-chip { position: relative; left: auto; transform: none; display: flex; margin: 0 auto 10px; font-size: .8rem; }
  .nav .btn { white-space: nowrap; padding: 8px 14px; font-size: .82rem; }
  .brand { font-size: .95rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .reveal { opacity: 1; transform: none; }
  .sparks { display: none; }
}