:root {
  --bg: #05070b;
  --bg-soft: #0b1118;
  --bg-elevated: #0f1722;
  --card: rgba(13, 20, 31, 0.92);
  --card-strong: #121b28;
  --text: #f5f8fc;
  --muted: #a9b7c7;
  --muted-strong: #d4deea;
  --border: rgba(141, 167, 196, 0.16);
  --border-strong: rgba(73, 144, 255, 0.34);
  --accent: #0f5be8;
  --accent-strong: #2c8cff;
  --accent-soft: rgba(15, 91, 232, 0.18);
  --accent-glow: rgba(44, 140, 255, 0.24);
  --steel: #97a7ba;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 18px 46px rgba(0, 0, 0, 0.28);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at top, rgba(18, 69, 167, 0.42) 0%, rgba(7, 12, 18, 0.96) 34%, var(--bg) 70%),
    linear-gradient(180deg, #06090d, #05070b 58%);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(5, 8, 13, 0.82);
  border-bottom: 1px solid rgba(73, 144, 255, 0.16);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.24);
}

.nav-wrap {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
  min-width: 0;
}
.brand-logo-wrap {
  gap: 16px;
}
.site-logo {
  display: block;
  width: auto;
  height: 64px;
  max-width: 200px;
  object-fit: contain;
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, 0.3));
}
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.brand-text strong {
  font-size: 1.02rem;
  letter-spacing: 0.03em;
}
.brand-text span {
  font-size: 0.77rem;
  color: var(--muted);
}
.desktop-nav {
  display: flex;
  gap: 28px;
  color: var(--muted);
  font-weight: 650;
}
.desktop-nav a:hover { color: var(--accent-strong); }
.header-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.quote-cta,
.phone-cta,
.phone-large,
.footer-phone {
  white-space: nowrap;
}
.quote-cta {
  padding: 14px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow: 0 20px 42px rgba(15, 91, 232, 0.34);
}
.phone-cta {
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(73, 144, 255, 0.34);
  background: rgba(12, 20, 31, 0.82);
  color: #dbe9ff;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.quote-cta:hover,
.btn-primary:hover {
  box-shadow: 0 22px 44px rgba(44, 140, 255, 0.3);
}
.phone-cta:hover {
  border-color: rgba(44, 140, 255, 0.62);
  background: rgba(16, 28, 43, 0.92);
}

.hero {
  padding: 112px 0 64px;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 46px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(73, 144, 255, 0.24);
  background: rgba(15, 91, 232, 0.1);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #d5e6ff;
}
.hero h1,
.section h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.05em;
}
.hero h1 {
  font-size: clamp(3rem, 6vw, 5.6rem);
  max-width: 12ch;
}
.hero-text,
.section-head p,
.card p,
.contact-note,
.faq-list p,
.site-footer p,
.site-footer li,
.pricing-note {
  color: var(--muted);
}
.hero-text {
  margin: 26px 0 0;
  max-width: 56ch;
  font-size: 1.12rem;
  line-height: 1.95;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, opacity 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  box-shadow: 0 24px 44px rgba(15, 91, 232, 0.32);
}
.btn-secondary {
  border: 1px solid rgba(73, 144, 255, 0.42);
  background: rgba(12, 20, 31, 0.82);
  color: #dbe9ff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
.btn-secondary:hover {
  border-color: rgba(44, 140, 255, 0.62);
  background: rgba(16, 28, 43, 0.92);
}
.btn.full { width: 100%; }
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.hero-points span,
.area-grid span {
  border: 1px solid rgba(151, 167, 186, 0.15);
  background: rgba(255,255,255,0.03);
}
.hero-points span {
  padding: 11px 15px;
  border-radius: 999px;
  color: var(--muted-strong);
  font-size: 0.93rem;
}
.credibility-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.credibility-row > div {
  padding: 16px 18px;
  border: 1px solid rgba(73, 144, 255, 0.18);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(15, 91, 232, 0.1), rgba(255,255,255,0.02));
}
.credibility-row strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.96rem;
}
.credibility-row span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}
.hero-card,
.card,
.info-card {
  border: 1px solid rgba(151, 167, 186, 0.14);
  background: linear-gradient(180deg, rgba(16, 24, 35, 0.96), rgba(10, 16, 24, 0.96));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.shell-card {
  position: relative;
  overflow: hidden;
}
.shell-card::before {
  content: '';
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(119, 181, 255, 0.44), rgba(255,255,255,0));
}
.logo-showcase-card {
  padding: 0;
}
.logo-showcase {
  display: grid;
  gap: 22px;
  justify-items: center;
  padding: 34px;
  text-align: center;
}
.hero-logo {
  width: min(100%, 360px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, 0.32));
}
.logo-showcase-copy h3 {
  margin: 8px 0 0;
  font-size: 1.55rem;
  line-height: 1.2;
}
.logo-showcase-copy p {
  margin: 12px 0 0;
}
.info-card {
  padding: 34px;
}
.info-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.info-label,
.card-kicker {
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}
.mini-badge {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(44, 140, 255, 0.14);
  color: #dceaff;
  font-size: 0.76rem;
  font-weight: 800;
  border: 1px solid rgba(44, 140, 255, 0.22);
}
.info-item + .info-item {
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(151, 167, 186, 0.14);
}
.info-item strong,
.card h3 {
  font-size: 1.3rem;
  line-height: 1.2;
}
.info-item p,
.card p,
.faq-list p,
.site-footer p,
.site-footer li,
.pricing-note {
  margin: 11px 0 0;
  line-height: 1.86;
}

.trust-strip {
  padding: 16px 0 34px;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.trust-grid > div {
  padding: 22px 20px;
  border: 1px solid rgba(73, 144, 255, 0.16);
  border-radius: 22px;
  text-align: left;
  background: linear-gradient(180deg, rgba(15, 91, 232, 0.08), rgba(255,255,255,0.02));
}
.trust-grid strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 8px;
}
.trust-grid span {
  display: block;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

.section { padding: 112px 0; }
.section-alt {
  background: linear-gradient(180deg, rgba(16, 31, 53, 0.28), rgba(255,255,255,0));
}
.section-head { max-width: 820px; margin-bottom: 38px; }
.section-head.compact { margin-bottom: 0; }
.section h2 { font-size: clamp(2.2rem, 4vw, 3.55rem); }
.section-head p {
  margin-top: 18px;
  font-size: 1.08rem;
  line-height: 1.95;
}
.cards { display: grid; gap: 24px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
.card { padding: 32px; }
.service-card ul,
.stack-list,
.site-footer ul,
.pricing-bullets {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.service-card li,
.stack-list li,
.site-footer li,
.pricing-bullets li {
  position: relative;
  padding-left: 18px;
  margin-top: 10px;
}
.service-card li::before,
.stack-list li::before,
.site-footer li::before,
.pricing-bullets li::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-strong);
  position: absolute;
  left: 0;
  top: 11px;
}
.pricing-section {
  padding-top: 120px;
}
.pricing-head {
  max-width: 900px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.pricing-card {
  display: grid;
  gap: 22px;
}
.pricing-card-head h3 {
  margin-top: 8px;
}
.price-list {
  display: grid;
  gap: 10px;
}
.price-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(151, 167, 186, 0.12);
}
.price-list span {
  color: var(--muted-strong);
  line-height: 1.6;
}
.price-list strong {
  white-space: nowrap;
  color: #f7fbff;
  font-size: 1rem;
}
.pricing-subgroup {
  padding-top: 4px;
}
.pricing-subtitle {
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}
.pricing-note {
  padding-top: 4px;
  font-size: 0.95rem;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: start;
}
.feature-split {
  align-items: center;
}
.area-card,
.about-card { padding: 32px; }
.area-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.area-grid span {
  padding: 16px 18px;
  border-radius: 18px;
  text-align: center;
  font-weight: 700;
  color: #dbe4ee;
}
.steps .card { position: relative; }
.step-num {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  color: var(--accent-strong);
  text-shadow: 0 0 16px rgba(44, 140, 255, 0.28);
}
.faq-list {
  display: grid;
  gap: 18px;
}
.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.5;
}
.faq-list summary::-webkit-details-marker { display: none; }
.contact-section {
  padding-bottom: 118px;
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: start;
}
.contact-copy p {
  margin-top: 18px;
  max-width: 34rem;
}
.contact-methods {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-top: 30px;
}
.phone-large {
  display: inline-block;
  font-size: clamp(1.95rem, 3vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #f7fbff;
}
.contact-email,
.footer-email {
  display: inline-block;
  color: #dbe9ff;
  font-weight: 700;
}
.form-status {
  min-height: 24px;
  font-weight: 700;
  color: var(--muted-strong);
}
.form-status[data-state="success"] {
  color: #d9fbe8;
}
.form-status[data-state="error"] {
  color: #ffd3d3;
}
.contact-note {
  margin-top: 14px;
  max-width: 34rem;
  line-height: 1.8;
}
.contact-form {
  display: grid;
  gap: 18px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  color: #dce5ef;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(73, 144, 255, 0.18);
  background: linear-gradient(180deg, #121b28, #0f1722);
  color: white;
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(44, 140, 255, 0.56);
  box-shadow: 0 0 0 3px rgba(44, 140, 255, 0.12);
}
.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(73, 144, 255, 0.34);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(12, 20, 31, 0.96), rgba(9, 14, 22, 0.96));
  color: #f5f8fc;
  font-size: 1.2rem;
  font-weight: 900;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.32);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease, border-color 0.2s ease;
  z-index: 60;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  border-color: rgba(44, 140, 255, 0.62);
}
.site-footer {
  padding: 62px 0 74px;
  border-top: 1px solid rgba(73, 144, 255, 0.12);
  background: linear-gradient(180deg, rgba(6, 10, 15, 0.98), rgba(3, 5, 8, 0.98));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 30px;
}
.footer-logo {
  display: block;
  width: auto;
  height: 58px;
  max-width: 190px;
  object-fit: contain;
  margin-bottom: 14px;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.26));
}
.footer-brand,
.footer-title {
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-phone {
  font-size: 1.18rem;
  font-weight: 800;
}

@media (max-width: 1120px) {
  .desktop-nav { display: none; }
  .hero-grid,
  .two-col,
  .contact-grid,
  .cards-4,
  .cards-3,
  .footer-grid,
  .trust-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .hero-grid {
    gap: 28px;
  }
}

@media (max-width: 760px) {
  .nav-wrap {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 16px 0;
    min-height: auto;
    gap: 14px;
  }
  .header-cta-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
  .contact-grid {
    gap: 28px;
  }
  .contact-methods {
    gap: 14px;
    margin-top: 24px;
  }
  .site-logo {
    height: 52px;
    max-width: 160px;
  }
  .footer-logo {
    height: 52px;
    max-width: 170px;
  }
  .hero-logo {
    width: min(100%, 240px);
  }
  .quote-cta,
  .phone-cta { width: 100%; text-align: center; }
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 48px;
    height: 48px;
  }
  .hero {
    padding-top: 72px;
    padding-bottom: 42px;
  }
  .container { width: min(100% - 24px, 1200px); }
  .section {
    padding: 82px 0;
  }
  .contact-section {
    padding-bottom: 88px;
  }
  .card, .info-card, .area-card, .about-card, .logo-showcase {
    padding: 24px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .area-grid,
  .credibility-row {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    max-width: none;
  }
  .trust-grid > div {
    text-align: left;
  }
  .price-list div {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}
