:root {
  --carbon-ink: #10251a;
  --carbon-muted: #607066;
  --carbon-green: #176b3a;
  --carbon-green-dark: #0b3d24;
  --carbon-lime: #b8e54a;
  --carbon-soft: #f2f7f1;
  --carbon-line: #dce6dc;
  --carbon-amber: #bd7414;
}

body.carbon-page { background: #f7f8f5; color: var(--carbon-ink); }
.carbon-page * { box-sizing: border-box; }
.carbon-nav { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--carbon-line); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); }
.carbon-nav-inner { max-width: 1180px; margin: 0 auto; min-height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.carbon-brand { color: var(--carbon-ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.025em; }
.carbon-brand-mark { width: 34px; height: 34px; border: 2px solid var(--carbon-green); border-radius: 50%; display: grid; place-items: center; color: var(--carbon-green); font-weight: 900; }
.carbon-nav-links { display: flex; align-items: center; gap: 22px; }
.carbon-nav-links a { color: var(--carbon-muted); text-decoration: none; font-size: .88rem; font-weight: 650; }
.carbon-nav-links a:hover { color: var(--carbon-green); }
.carbon-nav-links .nav-free { background: var(--carbon-green-dark); color: #fff; padding: 11px 17px; border-radius: 9px; }

.carbon-hero { background: var(--carbon-green-dark); color: #fff; overflow: hidden; position: relative; }
.carbon-hero::after { content: ''; position: absolute; width: 620px; height: 620px; right: -180px; top: -320px; border-radius: 50%; background: radial-gradient(circle, rgba(184,229,74,.18), transparent 66%); }
.carbon-hero-inner { max-width: 920px; margin: 0 auto; padding: 76px 24px 70px; text-align: center; position: relative; z-index: 1; }
.carbon-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--carbon-lime); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 800; margin-bottom: 20px; }
.carbon-kicker::before { content: ''; width: 18px; height: 2px; background: currentColor; }
.carbon-hero h1 { color: #fff; max-width: 820px; margin: 0 auto 20px; font-size: clamp(2.45rem, 6vw, 4.7rem); line-height: 1.02; letter-spacing: -.05em; }
.carbon-hero p { max-width: 650px; margin: 0 auto; font-size: 1.06rem; line-height: 1.7; color: rgba(255,255,255,.72); }
.carbon-trust { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 24px; margin-top: 28px; color: rgba(255,255,255,.84); font-size: .82rem; font-weight: 650; }
.carbon-trust span::before { content: '\2713'; color: var(--carbon-lime); margin-right: 7px; }

.carbon-shell { max-width: 1040px; margin: -30px auto 70px; padding: 0 24px; position: relative; z-index: 2; }
.carbon-card { background: #fff; border: 1px solid var(--carbon-line); border-radius: 20px; box-shadow: 0 24px 65px rgba(16,37,26,.1); overflow: hidden; }
.carbon-progress { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--carbon-line); background: #fbfcfa; }
.carbon-step { padding: 19px 22px; display: flex; gap: 11px; align-items: center; color: #829087; font-size: .78rem; font-weight: 750; }
.carbon-step + .carbon-step { border-left: 1px solid var(--carbon-line); }
.carbon-step-num { width: 26px; height: 26px; border: 1px solid var(--carbon-line); border-radius: 50%; display: grid; place-items: center; font-size: .72rem; background: #fff; }
.carbon-step.active { color: var(--carbon-green); }
.carbon-step.active .carbon-step-num { background: var(--carbon-green); border-color: var(--carbon-green); color: #fff; }

.carbon-form { padding: 36px; }
.carbon-section + .carbon-section { margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--carbon-line); }
.carbon-section-head { margin-bottom: 20px; }
.carbon-section-head h2 { font-size: 1.22rem; margin: 0 0 6px; letter-spacing: -.025em; }
.carbon-section-head p { margin: 0; color: var(--carbon-muted); font-size: .89rem; line-height: 1.55; }
.carbon-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.carbon-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.carbon-field { display: flex; flex-direction: column; gap: 7px; }
.carbon-field.full { grid-column: 1 / -1; }
.carbon-field label { font-size: .79rem; font-weight: 750; color: #344a3d; }
.carbon-field label span { font-weight: 500; color: #829087; }
.carbon-field input, .carbon-field select { width: 100%; min-height: 47px; border: 1px solid #ccd9cf; border-radius: 9px; padding: 10px 12px; color: var(--carbon-ink); background: #fff; font: inherit; font-size: .92rem; outline: none; transition: border-color .15s, box-shadow .15s; }
.carbon-field input:focus, .carbon-field select:focus { border-color: var(--carbon-green); box-shadow: 0 0 0 3px rgba(23,107,58,.1); }
.carbon-field small { color: #829087; line-height: 1.4; font-size: .72rem; }
.carbon-network-picker { margin-top: 22px; padding: 19px; border: 1px solid #cfe1ce; border-radius: 12px; background: var(--carbon-soft); }
.carbon-network-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.carbon-network-head label { display: block; color: #344a3d; font-size: .82rem; font-weight: 780; }
.carbon-network-head label span { color: #829087; font-weight: 500; }
.carbon-network-head p { margin: 5px 0 0; color: var(--carbon-muted); font-size: .75rem; line-height: 1.45; }
.carbon-network-source { flex: 0 0 auto; padding: 5px 9px; border: 1px solid #b8d5b8; border-radius: 20px; background: #fff; color: var(--carbon-green); font-size: .64rem; font-weight: 800; }
.carbon-network-search { position: relative; margin-top: 14px; }
.carbon-network-search > input { width: 100%; min-height: 47px; padding: 10px 13px; border: 1px solid #bfd1c2; border-radius: 9px; background: #fff; color: var(--carbon-ink); font: inherit; font-size: .88rem; outline: none; }
.carbon-network-search > input:focus { border-color: var(--carbon-green); box-shadow: 0 0 0 3px rgba(23,107,58,.1); }
.carbon-network-results { position: absolute; z-index: 8; top: calc(100% + 4px); right: 0; left: 0; max-height: 260px; overflow-y: auto; border: 1px solid #bfd1c2; border-radius: 10px; background: #fff; box-shadow: 0 16px 36px rgba(16,37,26,.14); }
.carbon-network-option { display: block; width: 100%; padding: 11px 13px; border: 0; border-bottom: 1px solid #edf2ed; background: #fff; color: var(--carbon-ink); text-align: left; cursor: pointer; }
.carbon-network-option:last-child { border-bottom: 0; }
.carbon-network-option:hover, .carbon-network-option:focus-visible { background: #f3f8f2; outline: none; }
.carbon-network-option strong { display: block; font-size: .8rem; }
.carbon-network-option span { display: block; margin-top: 3px; color: var(--carbon-muted); font-size: .69rem; line-height: 1.4; }
.carbon-network-empty { padding: 12px 13px; color: var(--carbon-muted); font-size: .76rem; }
.carbon-network-selected { position: relative; margin-top: 10px; padding: 12px 44px 12px 13px; border: 1px solid #9dcca9; border-radius: 9px; background: #e9f7ec; color: #245b36; font-size: .77rem; line-height: 1.45; }
.carbon-network-selected strong { display: block; color: var(--carbon-green-dark); }
.carbon-network-remove { position: absolute; top: 8px; right: 9px; width: 28px; height: 28px; border: 0; border-radius: 7px; background: transparent; color: var(--carbon-green); font-size: 1.15rem; cursor: pointer; }
.carbon-network-remove:hover { background: rgba(23,107,58,.08); }
.carbon-network-note { margin: 10px 0 0; color: #65796b; font-size: .7rem; line-height: 1.45; }
.carbon-optional { margin-top: 22px; border: 1px solid var(--carbon-line); border-radius: 12px; background: #fbfcfa; overflow: hidden; }
.carbon-optional summary { cursor: pointer; padding: 17px 19px; font-weight: 750; font-size: .88rem; list-style: none; display: flex; align-items: center; justify-content: space-between; }
.carbon-optional summary::-webkit-details-marker { display: none; }
.carbon-optional summary::after { content: '+'; color: var(--carbon-green); font-size: 1.25rem; }
.carbon-optional[open] summary::after { content: '\2212'; }
.carbon-optional-content { padding: 4px 19px 21px; }
.carbon-note { display: flex; gap: 11px; align-items: flex-start; background: var(--carbon-soft); border: 1px solid #d7e7d5; color: #385244; padding: 14px 16px; border-radius: 10px; font-size: .79rem; line-height: 1.55; margin-top: 22px; }
.carbon-note strong { color: var(--carbon-green-dark); }
.carbon-actions { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 30px; }
.carbon-privacy { color: #77857d; font-size: .75rem; line-height: 1.45; max-width: 470px; }
.carbon-submit, .carbon-btn { min-height: 48px; border: 0; border-radius: 9px; padding: 0 20px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; cursor: pointer; font: inherit; font-weight: 800; text-decoration: none; transition: transform .15s, background .15s; }
.carbon-submit { background: var(--carbon-green); color: #fff; white-space: nowrap; }
.carbon-submit:hover { background: #105c30; transform: translateY(-1px); }
.carbon-submit:disabled { cursor: wait; opacity: .65; transform: none; }
.carbon-error { display: none; margin-top: 16px; background: #fff1f0; border: 1px solid #f2c5c1; color: #9e2e25; border-radius: 9px; padding: 12px 14px; font-size: .82rem; }
.carbon-error.show { display: block; }

.carbon-seo { margin-top: 76px; }
.carbon-seo h2 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.12; letter-spacing: -.04em; }
.carbon-seo h3 { margin: 0; letter-spacing: -.025em; }
.carbon-seo p { color: var(--carbon-muted); line-height: 1.75; }
.carbon-seo a:not(.carbon-btn) { color: var(--carbon-green); font-weight: 750; text-underline-offset: 3px; }
.carbon-seo-label { display: inline-block; margin-bottom: 13px; color: var(--carbon-green); font-size: .7rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.carbon-seo-intro { max-width: 820px; margin: 0 auto 34px; text-align: center; }
.carbon-seo-intro p { margin: 18px auto 0; font-size: .98rem; }
.carbon-seo-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.carbon-seo-card { min-height: 220px; padding: 25px; border: 1px solid var(--carbon-line); border-radius: 15px; background: #fff; }
.carbon-seo-number { display: inline-flex; margin-bottom: 42px; color: var(--carbon-green); font-size: .72rem; font-weight: 850; letter-spacing: .1em; }
.carbon-seo-card h3 { font-size: 1.03rem; }
.carbon-seo-card p { margin: 10px 0 0; font-size: .83rem; }
.carbon-seo-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; margin-top: 76px; padding-top: 70px; border-top: 1px solid var(--carbon-line); }
.carbon-seo-copy p { margin: 22px 0 0; font-size: .88rem; }
.carbon-seo-steps { display: grid; gap: 16px; margin: 0; padding-left: 22px; color: var(--carbon-muted); font-size: .9rem; line-height: 1.65; }
.carbon-seo-steps strong { color: var(--carbon-ink); }
.carbon-formula { display: flex; justify-content: space-between; gap: 20px; margin-top: 24px; padding: 18px 20px; border: 1px solid #cfe1ce; border-radius: 11px; background: var(--carbon-soft); color: var(--carbon-green-dark); font-size: .86rem; }
.carbon-data-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.carbon-data-grid > div { padding: 20px; border: 1px solid var(--carbon-line); border-radius: 12px; background: #fff; }
.carbon-data-grid strong { display: block; margin-bottom: 7px; font-size: .86rem; }
.carbon-data-grid span { color: var(--carbon-muted); font-size: .8rem; line-height: 1.55; }
.carbon-faq { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; margin-top: 76px; padding-top: 70px; border-top: 1px solid var(--carbon-line); }
.carbon-faq-list { display: grid; gap: 10px; }
.carbon-faq-list details { border: 1px solid var(--carbon-line); border-radius: 12px; background: #fff; }
.carbon-faq-list summary { position: relative; padding: 18px 48px 18px 19px; cursor: pointer; list-style: none; font-size: .88rem; font-weight: 780; line-height: 1.45; }
.carbon-faq-list summary::-webkit-details-marker { display: none; }
.carbon-faq-list summary::after { content: '+'; position: absolute; top: 16px; right: 19px; color: var(--carbon-green); font-size: 1.2rem; }
.carbon-faq-list details[open] summary::after { content: '\2212'; }
.carbon-faq-list p { margin: 0; padding: 0 19px 19px; font-size: .82rem; }
.carbon-seo-cta { display: flex; align-items: center; justify-content: space-between; gap: 34px; margin-top: 76px; padding: 34px; border-radius: 17px; background: var(--carbon-green-dark); color: #fff; }
.carbon-seo-cta h2 { max-width: 570px; color: #fff; font-size: clamp(1.5rem, 3vw, 2.15rem); }
.carbon-seo-cta p { max-width: 650px; margin: 12px 0 0; color: rgba(255,255,255,.68); font-size: .86rem; }
.carbon-seo-cta-links { display: flex; flex: 0 0 auto; gap: 9px; flex-wrap: wrap; }
.carbon-seo-cta .carbon-btn.primary { background: var(--carbon-lime); color: var(--carbon-green-dark); }
.carbon-seo-cta .carbon-btn.secondary { background: transparent; border-color: rgba(255,255,255,.28); color: #fff; }

.carbon-result-shell { max-width: 1100px; margin: 0 auto; padding: 52px 24px 76px; }
.result-top { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
.result-top h1 { font-size: clamp(2rem, 5vw, 3.6rem); margin: 6px 0 8px; letter-spacing: -.045em; line-height: 1.05; }
.result-top p { color: var(--carbon-muted); margin: 0; }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.carbon-btn.primary { background: var(--carbon-green); color: #fff; }
.carbon-btn.secondary { background: #fff; color: var(--carbon-ink); border: 1px solid var(--carbon-line); }
.result-hero { display: grid; grid-template-columns: 1.12fr .88fr; background: var(--carbon-green-dark); color: #fff; border-radius: 20px; overflow: hidden; box-shadow: 0 20px 55px rgba(16,37,26,.13); }
.result-total { padding: 42px; position: relative; }
.result-total::after { content: ''; position: absolute; width: 280px; height: 280px; right: -100px; top: -120px; border-radius: 50%; background: rgba(184,229,74,.08); }
.result-label { color: var(--carbon-lime); text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; font-weight: 800; }
.result-number { font-size: clamp(3.6rem, 8vw, 6.4rem); line-height: .95; letter-spacing: -.065em; font-weight: 850; margin: 22px 0 10px; }
.result-number small { font-size: .22em; letter-spacing: 0; color: rgba(255,255,255,.74); }
.result-period { color: rgba(255,255,255,.62); font-size: .84rem; }
.result-ratios { background: rgba(255,255,255,.06); padding: 34px; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.ratio-row { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding-bottom: 17px; border-bottom: 1px solid rgba(255,255,255,.12); }
.ratio-row:last-child { border-bottom: 0; padding-bottom: 0; }
.ratio-row span { color: rgba(255,255,255,.65); font-size: .8rem; }
.ratio-row strong { font-size: 1.15rem; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.result-card { background: #fff; border: 1px solid var(--carbon-line); border-radius: 15px; padding: 25px; }
.result-card.full { grid-column: 1 / -1; }
.result-card h2 { margin: 0 0 5px; font-size: 1.05rem; }
.result-card-sub { color: var(--carbon-muted); font-size: .78rem; margin-bottom: 20px; line-height: 1.45; }
.scope-list, .data-list { display: grid; gap: 11px; }
.scope-row, .data-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 16px; align-items: center; padding-bottom: 11px; border-bottom: 1px solid #edf1ed; font-size: .82rem; }
.scope-row:last-child, .data-row:last-child { border-bottom: 0; padding-bottom: 0; }
.scope-label { display: flex; align-items: center; gap: 9px; color: #43564a; }
.scope-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--carbon-green); }
.scope-row strong, .data-row strong { font-variant-numeric: tabular-nums; }
.scope-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 20px; }
.scope-tile { background: var(--carbon-soft); border-radius: 10px; padding: 14px; }
.scope-tile span { display: block; font-size: .68rem; color: var(--carbon-muted); margin-bottom: 5px; }
.scope-tile strong { font-size: 1rem; }
.result-disclaimer { border-left: 3px solid var(--carbon-amber); background: #fff9ee; padding: 14px 16px; color: #694a1d; font-size: .79rem; line-height: 1.55; margin-top: 20px; }
.offer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.offer-card { border: 1px solid var(--carbon-line); border-radius: 13px; padding: 21px; display: flex; flex-direction: column; align-items: flex-start; }
.offer-card.featured { background: var(--carbon-green-dark); color: #fff; border-color: var(--carbon-green-dark); }
.offer-badge { color: var(--carbon-green); background: var(--carbon-soft); border-radius: 20px; padding: 4px 9px; font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.featured .offer-badge { color: var(--carbon-green-dark); background: var(--carbon-lime); }
.offer-card h3 { margin: 14px 0 7px; font-size: 1.08rem; }
.offer-card p { color: var(--carbon-muted); font-size: .8rem; line-height: 1.5; margin: 0 0 18px; flex: 1; }
.featured p { color: rgba(255,255,255,.67); }
.offer-card .carbon-btn { width: 100%; }
.featured .carbon-btn { background: var(--carbon-lime); color: var(--carbon-green-dark); }

@media (max-width: 760px) {
  .carbon-nav-links a:not(.nav-free) { display: none; }
  .carbon-hero-inner { padding-top: 56px; }
  .carbon-shell { padding: 0 14px; }
  .carbon-form { padding: 24px 18px; }
  .carbon-grid, .carbon-grid.three, .result-grid, .result-hero, .offer-grid { grid-template-columns: 1fr; }
  .carbon-progress { grid-template-columns: 1fr; }
  .carbon-step { display: none; }
  .carbon-step.active { display: flex; }
  .carbon-actions, .result-top { align-items: stretch; flex-direction: column; }
  .carbon-submit { width: 100%; }
  .carbon-network-head { flex-direction: column; }
  .carbon-seo { margin-top: 54px; }
  .carbon-seo-cards, .carbon-data-grid { grid-template-columns: 1fr; }
  .carbon-seo-card { min-height: 0; }
  .carbon-seo-number { margin-bottom: 24px; }
  .carbon-seo-section, .carbon-faq { grid-template-columns: 1fr; gap: 28px; margin-top: 54px; padding-top: 50px; }
  .carbon-formula, .carbon-seo-cta { align-items: flex-start; flex-direction: column; }
  .carbon-seo-cta { margin-top: 54px; padding: 27px 22px; }
  .carbon-seo-cta-links, .carbon-seo-cta .carbon-btn { width: 100%; }
  .result-total { padding: 30px 24px; }
  .result-ratios { padding: 24px; }
  .scope-summary { grid-template-columns: 1fr; }
}

@media print {
  @page { size: A4; margin: 13mm; }
  body.carbon-page { background: #fff; }
  .carbon-nav,
  .site-shell-announcement,
  .site-shell-nav,
  .site-shell-footer,
  .result-actions,
  .offer-grid,
  .print-hide { display: none !important; }
  .carbon-result-shell { max-width: none; padding: 0; }
  .result-top { margin-bottom: 16px; }
  .result-top h1 { font-size: 27px; }
  .result-hero { box-shadow: none; break-inside: avoid; }
  .result-grid { gap: 12px; margin-top: 12px; }
  .result-card { break-inside: avoid; padding: 18px; }
  .result-number { font-size: 54px; }
}