:root {
  --c-primary: #0b6bcb;
  --c-primary-dark: #08529c;
  --c-accent: #18c29c;
  --c-text: #1b2533;
  --c-muted: #5b6b80;
  --c-bg: #ffffff;
  --c-bg-alt: #f3f7fb;
  --c-dark: #0d1b2a;
  --c-border: #dde5ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(13, 27, 42, .08);
  --max: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

img, svg, iframe { max-width: 100%; display: block; }

a { color: var(--c-primary); }
a:hover { color: var(--c-primary-dark); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.3rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); letter-spacing: -.01em; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--c-primary); color: #fff; padding: 8px 14px; z-index: 100;
}
.skip-link:focus { left: 10px; top: 10px; }

:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  border: 2px solid var(--c-primary);
  background: var(--c-primary);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: background .2s, color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(11, 107, 203, .25); }
.btn-ghost { background: transparent; color: var(--c-primary); }
.btn-ghost:hover { background: var(--c-primary); color: #fff; }
.btn-small { padding: 8px 18px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; color: var(--c-dark); text-decoration: none; letter-spacing: .02em; }
.logo strong { color: var(--c-primary); }
.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a { color: var(--c-text); text-decoration: none; font-weight: 500; }
.main-nav a:not(.btn):hover { color: var(--c-primary); }
.main-nav .btn { color: #fff; }

.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--c-dark); margin: 5px 0; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  background:
    radial-gradient(circle at 85% 20%, rgba(24, 194, 156, .18), transparent 45%),
    radial-gradient(circle at 10% 90%, rgba(11, 107, 203, .15), transparent 50%),
    linear-gradient(180deg, #f6faff 0%, #fff 100%);
  padding: 80px 0 90px;
}
.hero-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 50px; align-items: center; }
.customer-greeting { font-size: 1.25rem; font-weight: 700; color: var(--c-primary); overflow-wrap: anywhere; margin: 0 0 12px; }
.customer-greeting-note { font-size: .85rem; color: var(--c-muted); margin: 0 0 18px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 700; color: var(--c-primary); margin-bottom: .8em; }
.accent { color: var(--c-primary); }
.lead { font-size: 1.15rem; color: var(--c-muted); max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.hero-badges { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--c-muted); font-weight: 500; }
.hero-badges li::before { content: "✓"; color: var(--c-accent); font-weight: 700; margin-right: 6px; }

.hero-visual { display: flex; justify-content: center; }
.speed-card {
  width: 300px; aspect-ratio: 1;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: conic-gradient(var(--c-accent) 0 78%, #e4edf6 78% 100%);
  position: relative;
  box-shadow: var(--shadow);
}
.speed-card::before { content: ""; position: absolute; inset: 16px; background: #fff; border-radius: 50%; }
.speed-card > * { position: relative; }
.speed-label { color: var(--c-muted); font-weight: 600; text-transform: uppercase; font-size: .85rem; letter-spacing: .1em; }
.speed-value { font-size: 4.5rem; font-weight: 800; color: var(--c-dark); line-height: 1; }
.speed-value small { font-size: 1.1rem; font-weight: 600; margin-left: 4px; color: var(--c-muted); }
.speed-price { margin-top: 8px; color: var(--c-primary); font-weight: 700; }

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--c-bg-alt); }
.section-dark { background: var(--c-dark); color: #dfe8f2; }
.section-dark h2 { color: #fff; }
.section-dark .eyebrow { color: var(--c-accent); }
.section-dark a { color: #fff; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head p:last-child { color: var(--c-muted); }
.section-head-left { text-align: left; margin: 0 0 24px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card p { color: var(--c-muted); margin: 0; font-size: .97rem; }
.card-icon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 18px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  display: grid; place-items: center;
}
.card-icon svg { width: 28px; height: 28px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.plan {
  position: relative; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 34px 30px; display: flex; flex-direction: column; text-align: center;
}
.plan ul { list-style: none; padding: 0; margin: 0 0 28px; text-align: left; flex: 1; }
.plan li { padding: 8px 0; border-bottom: 1px solid var(--c-border); color: var(--c-muted); }
.plan li::before { content: "✓"; color: var(--c-accent); font-weight: 700; margin-right: 8px; }
.plan-speed { font-size: 1.1rem; color: var(--c-muted); margin-bottom: 4px; }
.plan-speed strong { font-size: 2.6rem; color: var(--c-dark); }
.plan-price { font-size: 1.1rem; margin-bottom: 20px; }
.plan-price strong { color: var(--c-primary); font-size: 1.5rem; }
.plan-featured { border: 2px solid var(--c-primary); box-shadow: var(--shadow); transform: scale(1.03); }
.plan-tag {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-primary); color: #fff; font-size: .8rem; font-weight: 700;
  padding: 4px 14px; border-radius: 999px; text-transform: uppercase; letter-spacing: .06em;
}

.price-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 60px; background: #fff; border-radius: var(--radius); padding: 34px; border: 1px solid var(--c-border); }
.price-table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.price-table th, .price-table td { padding: 10px 0; border-bottom: 1px dashed var(--c-border); }
.price-table th { text-align: left; font-weight: 500; }
.price-table td { text-align: right; font-weight: 700; color: var(--c-primary); white-space: nowrap; padding-left: 16px; }
.note { font-size: .88rem; color: var(--c-muted); }
.check-list { list-style: none; padding: 0; margin: 0 0 16px; }
.check-list li { position: relative; padding-left: 26px; margin-bottom: 8px; color: var(--c-muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--c-accent); font-weight: 700; }

/* Coverage */
.coverage, .about, .contact { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--c-border); background: var(--c-bg-alt); }
.map-wrap iframe { width: 100%; height: 400px; border: 0; }
.map-link { display: block; padding: 10px 16px; font-size: .9rem; background: #fff; }

/* About */
.stats { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stats li { background: #fff; border-radius: var(--radius); padding: 28px; border: 1px solid var(--c-border); }
.stats strong { display: block; font-size: 2rem; color: var(--c-primary); line-height: 1.1; }
.stats small { font-size: .9rem; margin-left: 4px; }
.stats span { color: var(--c-muted); }

/* FAQ */
.faq details { border: 1px solid var(--c-border); border-radius: 12px; margin-bottom: 12px; background: #fff; }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 54px 18px 22px; font-weight: 600; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--c-primary); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 22px 18px; margin: 0; color: var(--c-muted); }

/* Contact */
.contact { align-items: start; }
.contact-list { list-style: none; padding: 0; margin: 24px 0; }
.contact-list li { display: grid; grid-template-columns: 90px 1fr; padding: 12px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.contact-list span { color: #8ea3bb; font-size: .9rem; }
.contact-list a { font-weight: 600; text-decoration: none; }
.company-ids { color: #8ea3bb; font-size: .88rem; }

.contact-form { background: #fff; color: var(--c-text); padding: 32px; border-radius: var(--radius); box-shadow: 0 20px 50px rgba(0, 0, 0, .3); }
.field { margin-bottom: 16px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; font: inherit; font-size: 1rem; color: var(--c-text);
  border: 1px solid var(--c-border); border-radius: 10px; background: #fbfdff; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(11, 107, 203, .15); }
.field .invalid, .field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: #d64545; }
.field textarea { resize: vertical; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--c-muted); margin-bottom: 18px; }
.consent input { margin-top: 4px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 14px 0 0; font-weight: 600; min-height: 1.4em; }
.form-status.ok { color: #138a6c; }
.form-status.err { color: #c43737; }
.captcha-q { font-weight: 700; color: var(--c-primary); margin-left: 4px; }
.captcha-row { display: flex; gap: 8px; }
.captcha-row input { max-width: 140px; }
.captcha-new { border: 1px solid #cfd8e3; background: #fff; border-radius: 8px; padding: 0 14px; font-size: 1.2rem; cursor: pointer; color: var(--c-primary); }
.captcha-new:hover, .captcha-new:focus-visible { border-color: var(--c-primary); }
.captcha-note { font-size: .88rem; color: #c43737; margin: 6px 0 0; }
.registration-form { max-width: 620px; margin: 0 auto; }
.registration-privacy { color: var(--c-muted); font-size: .9rem; }
.account-nav { display: flex; flex-wrap: wrap; gap: 20px; }
.account-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.account-tabs a { padding: 10px 18px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff; color: var(--c-primary); font-weight: 600; text-decoration: none; }
.account-tabs a:hover { border-color: var(--c-primary); }
.account-tabs a[aria-selected="true"] { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.account-tabs a:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 3px; }
.account-panel { margin-bottom: 32px; }
.account-panel[hidden] { display: none; }
.account-details { margin: 24px 0; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 12px 24px; }
.account-details div { padding: 14px 0; border-bottom: 1px solid var(--c-border); }
.account-details div:last-child { border-bottom: 0; }
.account-details dt { color: var(--c-muted); font-size: .9rem; }
.account-details dd { margin: 4px 0 0; font-weight: 600; white-space: pre-line; overflow-wrap: anywhere; }
.account-invoices { margin: 32px 0; }
.invoice-head { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.invoice-head h2 { margin: 0; }
.invoice-year { display: flex; gap: 10px; align-items: center; }
.invoice-year label { color: var(--c-muted); font-weight: 600; }
.invoice-year select { padding: 8px 12px; border: 1px solid var(--c-border); border-radius: 8px; background: #fff; font: inherit; }
.invoice-year button[hidden] { display: none; }
.table-wrap { position: relative; overflow-x: auto; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); }
.invoice-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.invoice-table th, .invoice-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--c-border); white-space: nowrap; }
.invoice-table th { color: var(--c-muted); font-weight: 600; font-size: .85rem; }
.invoice-table tbody tr:last-child td { border-bottom: 0; }
.invoice-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.invoice-state { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .85rem; font-weight: 600; background: #eef1f5; color: #3d4a5c; }
.invoice-state.is-paid { background: #e3f5e8; color: #1d6b34; }
.invoice-state.is-overdue { background: #fde8e8; color: #a12020; }
.invoice-state.is-partial { background: #fff4dc; color: #8a5a00; }
.invoice-state.is-storno { text-decoration: line-through; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.account-notice { padding: 14px; border: 1px solid var(--c-border); border-radius: 10px; }
.account-help { margin-top: 24px; }
.admin-action { margin: 28px 0; }
.admin-action summary { cursor: pointer; font-weight: 600; margin-bottom: 16px; }
.admin-search { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 24px 0; }
.admin-search input { padding: 10px; border: 1px solid var(--c-border); border-radius: 8px; font: inherit; min-width: 0; max-width: 100%; }
.temporary-password { font-family: monospace; overflow-wrap: anywhere; user-select: all; }
.cms-preview-banner { padding: 16px 20px; background: #fff1c2; color: #332600; text-align: center; border-bottom: 2px solid #c79000; }
.cms-section-image { width: min(100%, 1160px); max-height: 600px; object-fit: contain; margin: 24px auto 0; padding: 0 20px; }
.cms-hero-image { max-height: 500px; object-fit: contain; border-radius: var(--radius); }
.cms-paragraph { white-space: pre-line; overflow-wrap: anywhere; }
.cms-custom h2, .cms-custom p { overflow-wrap: anywhere; }

/* Footer */
.site-footer { background: #08131f; color: #8ea3bb; padding: 28px 0; font-size: .9rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.site-footer a { color: #c6d4e3; text-decoration: none; }
.site-footer a:hover { color: #fff; }

/* Document page */
.doc { padding: 60px 0 90px; }
.doc h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
.doc h2 { font-size: 1.25rem; margin-top: 2em; }
.doc .back { display: inline-block; margin-bottom: 24px; }

/* Floating contact button – always visible; page gets bottom space so it never hides content for good */
.site-footer { padding-bottom: 96px; }
.fab-contact {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: 999px;
  background: var(--c-primary); color: #fff; font-weight: 700; text-decoration: none;
  box-shadow: 0 10px 28px rgba(11, 107, 203, .38);
  transition: opacity .25s, transform .25s, background .2s;
}
.fab-contact:hover, .fab-contact:focus-visible { background: var(--c-primary-dark); color: #fff; }
.fab-contact svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.fab-contact.is-submit { background: #138a6c; box-shadow: 0 10px 28px rgba(19, 138, 108, .38); }
.fab-contact.is-submit:hover, .fab-contact.is-submit:focus-visible { background: #0f6f57; }

/* Responsive */
@media (max-width: 1000px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .plan-featured { transform: none; }
}

@media (max-width: 820px) {
  body { font-size: 16px; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--c-border);
    padding: 8px 20px 20px; display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--c-border); }
  .main-nav .btn { margin-top: 14px; text-align: center; border-bottom: 0; }
  .hero { padding: 50px 0 60px; }
  .hero-inner, .coverage, .about, .contact, .price-extra { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .speed-card { width: 220px; }
  .speed-value { font-size: 3.2rem; }
  .section { padding: 64px 0; }
  .price-extra { padding: 24px; gap: 24px; }
}

@media (max-width: 560px) {
  .cards, .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
  .stats strong { font-size: 1.6rem; }
  .fab-contact { right: 14px; bottom: 14px; padding: 13px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}