:root {
  --bg: #07110f;
  --bg-soft: #0b1916;
  --panel: rgba(15, 34, 29, .76);
  --panel-solid: #10231e;
  --line: rgba(166, 255, 218, .14);
  --text: #f2fff9;
  --muted: #9eb8ad;
  --green: #77f2b2;
  --green-strong: #38d98b;
  --yellow: #f4db78;
  --danger: #ff938f;
  --shadow: 0 24px 80px rgba(0, 0, 0, .35);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(52, 182, 122, .10), transparent 35%),
    linear-gradient(180deg, #07110f 0%, #081310 60%, #050b09 100%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.ambient { position: fixed; border-radius: 50%; filter: blur(70px); pointer-events: none; z-index: -1; }
.ambient-one { width: 360px; height: 360px; background: rgba(40, 220, 134, .10); top: 12%; right: -180px; }
.ambient-two { width: 260px; height: 260px; background: rgba(251, 217, 105, .06); bottom: 10%; left: -130px; }

.site-header {
  width: min(1240px, calc(100% - 28px));
  height: 72px;
  margin: 14px auto 0;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  background: rgba(7, 17, 15, .78);
  backdrop-filter: blur(18px);
  border-radius: 18px;
  position: sticky;
  top: 10px;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 650; letter-spacing: -.02em; }
.brand strong { color: var(--green); }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid rgba(119, 242, 178, .5); border-radius: 11px;
  color: #05110c; font-weight: 900;
  background: linear-gradient(135deg, #9ff7ca, #46d58f);
  box-shadow: 0 0 28px rgba(70, 213, 143, .22);
}
nav { display: flex; gap: 30px; color: var(--muted); font-size: .92rem; }
nav a:hover { color: var(--text); }
.language-toggle {
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  padding: 9px 13px; border-radius: 10px; cursor: pointer;
}
.language-toggle:hover { border-color: rgba(119, 242, 178, .45); }

.hero { min-height: 720px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 76px; align-items: center; padding-block: 100px 80px; }
.eyebrow, .section-kicker { color: var(--green); font-size: .75rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; background: rgba(119,242,178,.06); border: 1px solid var(--line); border-radius: 999px; }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(119,242,178,.09); }
h1 { margin: 24px 0 22px; max-width: 720px; font-size: clamp(3.2rem, 7vw, 6.4rem); line-height: .94; letter-spacing: -.07em; font-weight: 760; }
.hero-lead { max-width: 640px; color: var(--muted); font-size: clamp(1rem, 1.8vw, 1.25rem); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.button { min-height: 50px; padding: 0 20px; border-radius: 13px; display: inline-flex; align-items: center; justify-content: center; font-weight: 760; border: 1px solid transparent; cursor: pointer; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #04100b; background: linear-gradient(135deg, #a6f8cd, #4bd794); box-shadow: 0 14px 40px rgba(75,215,148,.18); }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.03); }
.button-full { width: 100%; }
.trust-strip { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 52px; }
.trust-strip div { display: grid; gap: 3px; }
.trust-strip span { color: var(--green); font-size: .72rem; font-weight: 800; }
.trust-strip strong { font-size: .87rem; color: #cce0d7; }

.hero-card { border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(16,35,30,.9), rgba(6,15,12,.9)); box-shadow: var(--shadow); overflow: hidden; transform: rotate(1.5deg); }
.terminal-top { height: 48px; display: flex; align-items: center; gap: 7px; padding: 0 16px; border-bottom: 1px solid var(--line); }
.terminal-top span { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.22); }
.terminal-top span:first-child { background: #ff8c86; }
.terminal-top span:nth-child(2) { background: var(--yellow); }
.terminal-top span:nth-child(3) { background: var(--green); }
.terminal-top small { margin-left: auto; color: #718a80; }
.terminal-body { padding: 52px 34px 34px; text-align: center; }
.energy-orbit { width: 138px; height: 138px; margin: 0 auto 32px; border: 1px solid rgba(119,242,178,.22); border-radius: 50%; display: grid; place-items: center; position: relative; box-shadow: inset 0 0 50px rgba(70,213,143,.08); }
.energy-orbit::before, .energy-orbit::after { content: ""; position: absolute; border: 1px dashed rgba(119,242,178,.15); border-radius: 50%; }
.energy-orbit::before { inset: -14px; }
.energy-orbit::after { inset: 18px; }
.energy-core { width: 68px; height: 68px; display: grid; place-items: center; background: var(--green); border-radius: 22px; font-size: 2rem; box-shadow: 0 0 50px rgba(119,242,178,.35); z-index: 1; }
.terminal-body > p { margin: 0; color: var(--muted); }
.terminal-body > strong { display: block; margin-top: 5px; font-size: 2rem; }
.mini-ledger { margin-top: 42px; border-top: 1px solid var(--line); }
.mini-ledger div { display: flex; justify-content: space-between; padding: 14px 2px; border-bottom: 1px solid var(--line); }
.mini-ledger span { color: var(--muted); }
.mini-ledger b { color: var(--green); font-size: .85rem; letter-spacing: .1em; }

section { scroll-margin-top: 110px; }
.calculator-section, .how-section, .services-section { padding-block: 100px; }
.section-heading { max-width: 720px; margin-bottom: 42px; }
.section-heading.centered { text-align: center; margin-inline: auto; }
h2 { margin: 12px 0 14px; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.02; letter-spacing: -.055em; }
.section-heading p, .support-section p { color: var(--muted); }
.calculator-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; align-items: stretch; }
.calculator-panel, .quote-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); backdrop-filter: blur(14px); }
fieldset { border: 0; padding: 0; margin: 0 0 32px; }
legend { margin-bottom: 13px; font-weight: 720; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 6px; border: 1px solid var(--line); background: rgba(0,0,0,.14); border-radius: 15px; }
.segment, .quantity { border: 0; background: transparent; padding: 13px; border-radius: 10px; cursor: pointer; color: var(--muted); }
.segment.active, .quantity.active { color: #06120d; background: var(--green); font-weight: 760; }
.quantity-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.quantity { border: 1px solid var(--line); font-weight: 750; }
.notice { display: flex; gap: 12px; padding: 15px; background: rgba(244,219,120,.06); border: 1px solid rgba(244,219,120,.16); border-radius: 14px; }
.notice > span { flex: 0 0 25px; width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; background: var(--yellow); color: #171509; font-weight: 900; }
.notice p { margin: 0; color: #d5cfae; font-size: .88rem; }
.quote-card { background: linear-gradient(145deg, rgba(20,48,39,.94), rgba(9,22,18,.96)); box-shadow: var(--shadow); }
.quote-header, .quote-main, .quote-breakdown div { display: flex; justify-content: space-between; gap: 20px; }
.quote-header { align-items: center; padding-bottom: 20px; border-bottom: 1px solid var(--line); font-weight: 750; }
.status-pill { font-size: .65rem; color: var(--yellow); letter-spacing: .1em; border: 1px solid rgba(244,219,120,.22); border-radius: 999px; padding: 5px 8px; }
.quote-main { margin: 34px 0; }
.quote-main div { display: grid; gap: 5px; }
.quote-main span, .quote-breakdown span, .preview-order-data span { color: var(--muted); font-size: .86rem; }
.quote-main strong { font-size: clamp(1.5rem, 4vw, 2.4rem); letter-spacing: -.04em; }
.quote-breakdown { display: grid; gap: 12px; margin-bottom: 28px; }
.quote-breakdown div { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.quote-breakdown .total { padding-top: 8px; border-bottom: 0; font-size: 1.1rem; }
.quote-breakdown .total b { color: var(--green); }
.quote-card small { display: block; margin-top: 12px; text-align: center; color: #718a80; }
.preview-order { margin-top: 18px; padding: 28px 34px; border: 1px solid rgba(119,242,178,.25); background: rgba(119,242,178,.05); border-radius: var(--radius); }
.preview-order h3 { margin: 6px 0 0; font-size: 1.6rem; }
.preview-order-data { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.preview-order-data p { margin: 0; display: grid; gap: 4px; }
.safe-text { color: var(--green); }
.preview-warning { margin: 20px 0 0; color: var(--danger); font-weight: 650; }

.how-section { border-top: 1px solid var(--line); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.steps article, .service-grid article { border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.025); padding: 28px; }
.steps article > span { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; color: #06120d; background: var(--green); font-weight: 900; }
.steps h3, .service-grid h3 { margin: 28px 0 8px; font-size: 1.25rem; }
.steps p, .service-grid p { margin: 0; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.service-icon { font-size: 1.7rem; color: var(--green); }
.service-grid article > span { display: inline-block; margin-top: 24px; color: var(--green); font-size: .74rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.support-section { margin-block: 80px 120px; padding: 48px; display: flex; align-items: center; justify-content: space-between; gap: 30px; background: linear-gradient(110deg, rgba(119,242,178,.12), rgba(244,219,120,.05)); border: 1px solid var(--line); border-radius: 28px; }
.support-section > div { max-width: 720px; }
.support-section h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
.site-footer { min-height: 180px; padding-block: 44px; display: grid; grid-template-columns: 1fr 1.5fr 1fr; gap: 20px; align-items: start; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
.site-footer p { margin: 5px 0; }
.site-footer p:last-child { text-align: right; }

@media (max-width: 900px) {
  nav { display: none; }
  .hero { grid-template-columns: 1fr; gap: 50px; padding-top: 70px; }
  .hero-card { max-width: 560px; transform: none; }
  .calculator-grid, .steps { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .support-section { align-items: flex-start; flex-direction: column; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer p:last-child { text-align: left; }
}

@media (max-width: 560px) {
  .shell { width: calc(100% - 24px); }
  .site-header { width: calc(100% - 16px); padding: 0 10px; gap: 8px; }
  .site-header .brand { min-width: 0; font-size: .76rem; gap: 7px; white-space: nowrap; }
  .site-header .brand-mark { flex: 0 0 29px; width: 29px; height: 29px; }
  .language-toggle { flex: 0 0 auto; padding: 8px 9px; font-size: .78rem; }
  .hero { min-width: 0; padding-block: 60px; }
  .hero-copy, .hero-card { min-width: 0; }
  .eyebrow { max-width: 100%; white-space: normal; font-size: .61rem; line-height: 1.4; letter-spacing: .09em; }
  h1 { max-width: 100%; font-size: clamp(2.65rem, 13vw, 3.25rem); line-height: .98; overflow-wrap: normal; }
  .hero-lead { max-width: 100%; font-size: .96rem; overflow-wrap: break-word; }
  .hero-actions, .hero-actions .button { width: 100%; }
  .trust-strip { display: grid; grid-template-columns: 1fr; gap: 14px; }
  .calculator-panel, .quote-card { padding: 22px; }
  .segmented { grid-template-columns: 1fr; }
  .quote-main { flex-direction: column; }
  .preview-order-data { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .support-section { padding: 30px 24px; }
  .site-footer { padding-bottom: 70px; }
}