html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  font-family: Inter, sans-serif;
  background: #070B14;
  color: #E6EAF2;
  overflow-x: hidden;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  letter-spacing: -0.5px;
  margin: 0 0 12px;
}

h1 { font-size: clamp(28px, 5vw, 52px); line-height: 1.15; }
h2 { font-size: clamp(24px, 4vw, 38px); }
h3 { font-size: clamp(16px, 2.5vw, 20px); }

p { line-height: 1.65; color: #9BA5BA; margin: 0 0 12px; }

/* ── LOGO ── */
.logo {
  font-weight: 700;
  font-size: 18px;
  color: #E6EAF2;
  white-space: nowrap;
}
.logo-omega {
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── HEADER ── */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  backdrop-filter: blur(14px);
  background: rgba(7,11,20,0.75);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 100;
  transition: box-shadow 0.3s;
}
.header.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── NAV ── */
.nav { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 12px;
  color: #9BA5BA;
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: #E6EAF2; background: rgba(255,255,255,0.06); }
.nav-link.active { color: #6EE7FF; }

/* ── BURGER ── */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #E6EAF2;
  border-radius: 2px;
  transition: 0.3s;
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 57px;
  left: 0;
  right: 0;
  background: rgba(7,11,20,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 99;
  padding: 16px 20px 24px;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mob-link {
  color: #9BA5BA;
  text-decoration: none;
  padding: 12px 0;
  font-size: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.2s;
}
.mob-link:hover { color: #E6EAF2; }
.mob-phone {
  margin-top: 12px;
  color: #6EE7FF;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
}

/* ── GLASS ── */
.glass {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 24px;
}

/* ── BUTTONS ── */
.btn {
  padding: 12px 22px;
  border-radius: 12px;
  cursor: pointer;
  border: none;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s, transform 0.15s;
  white-space: nowrap;
}
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.primary {
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  color: #060A12;
}
.ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: #E6EAF2;
}

/* ── SECTION ── */
.section { padding: 90px 0; }
.section-dark { background: rgba(255,255,255,0.02); }

.section-header { margin-bottom: 48px; }
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #6EE7FF;
  margin-bottom: 10px;
}

/* ── HERO ── */
.hero { padding: 150px 0 90px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  background: rgba(110,231,255,0.1);
  border: 1px solid rgba(110,231,255,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 13px;
  color: #6EE7FF;
  margin-bottom: 20px;
}
.hero-actions { display: flex; gap: 12px; margin: 28px 0; flex-wrap: wrap; }
.hero-bullets { display: flex; flex-direction: column; gap: 8px; color: #9BA5BA; font-size: 14px; }

/* HERO CARD */
.hero-card { display: flex; flex-direction: column; gap: 0; }
.stat { padding: 16px 0; }
.stat-divider { border-top: 1px solid rgba(255,255,255,0.07); }
.stat-num-row { display: flex; align-items: baseline; gap: 2px; }
.num {
  font-size: 42px;
  font-weight: 700;
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.stat-sign {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  margin-left: 2px;
}
.stat-label { font-size: 13px; color: #9BA5BA; margin-top: 2px; }

/* ── LOGOS ── */
.logos {
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.logos-title { text-align: center; font-size: 12px; color: #555; letter-spacing: 1px; text-transform: uppercase; margin: 0 0 16px; }
.logos-line {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 12px;
  color: #555;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 12px;
}

/* ── GRIDS ── */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

/* ── CARDS ── */
.card { transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.card-icon { font-size: 28px; margin-bottom: 12px; }

/* ── SERVICE CARDS ── */
.service-card { display: flex; gap: 16px; align-items: flex-start; }
.service-icon { font-size: 32px; flex-shrink: 0; }
.service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.service-tags span {
  background: rgba(110,231,255,0.08);
  border: 1px solid rgba(110,231,255,0.15);
  color: #6EE7FF;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.5px;
}

/* ── STEPS ── */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}
.step {
  flex: 1;
  min-width: 140px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px;
}
.step-num {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}
.step-body h3 { font-size: 15px; margin-bottom: 6px; }
.step-body p { font-size: 13px; margin: 0; }
.step-arrow {
  font-size: 22px;
  color: rgba(110,231,255,0.4);
  align-self: center;
  flex-shrink: 0;
  padding-top: 0;
}

/* ── CASES ── */
.cases-grid { gap: 24px; }
.case-card { display: flex; flex-direction: column; gap: 12px; }
.case-tag {
  display: inline-block;
  background: rgba(139,92,246,0.12);
  border: 1px solid rgba(139,92,246,0.25);
  color: #A78BFA;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  width: fit-content;
}
.case-card h3 { font-size: 16px; }
.case-card p { font-size: 13px; }
.case-stats { display: flex; gap: 16px; margin-top: 8px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.07); }
.case-stat { text-align: center; }
.case-stat-num { font-size: 22px; font-weight: 700; color: #6EE7FF; }
.case-stat div:last-child { font-size: 11px; color: #666; margin-top: 2px; }

/* ── REVIEWS ── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.review-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0.35;
  transition: opacity 0.4s, transform 0.4s;
  transform: scale(0.97);
}
.review-card.active { opacity: 1; transform: scale(1); }
.review-card p { font-size: 14px; font-style: italic; }
.stars { color: #6EE7FF; font-size: 16px; letter-spacing: 2px; }
.review-author { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  color: #070B14;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-name { font-size: 14px; font-weight: 600; color: #E6EAF2; }
.review-role { font-size: 12px; color: #666; }

.review-controls { display: flex; align-items: center; justify-content: center; gap: 16px; }
.review-dots { display: flex; gap: 8px; }
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
}
.dot.active { background: #6EE7FF; transform: scale(1.3); }

/* ── ARROWS ── */
.arrow {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  border-radius: 50%;
  width: 40px; height: 40px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s;
  flex-shrink: 0;
}
.arrow:hover { background: rgba(110,231,255,0.12); border-color: rgba(110,231,255,0.3); }

/* ── FAQ ── */
.faq { display: flex; flex-direction: column; gap: 10px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-btn {
  width: 100%;
  background: none;
  border: none;
  color: #E6EAF2;
  font-size: 15px;
  font-family: Inter, sans-serif;
  text-align: left;
  padding: 18px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.faq-arrow {
  font-size: 22px;
  color: #6EE7FF;
  transition: transform 0.3s;
  flex-shrink: 0;
  line-height: 1;
}
.faq-btn.open .faq-arrow { transform: rotate(45deg); }
.answer {
  display: none;
  padding: 0 24px 18px;
  color: #9BA5BA;
  font-size: 14px;
  line-height: 1.65;
}

/* ── CTA ── */
.cta { padding: 80px 0; }
.cta-inner {
  text-align: center;
  padding: 60px 40px;
  background: linear-gradient(135deg, rgba(110,231,255,0.06), rgba(139,92,246,0.06));
}
.cta-inner h2 { margin-bottom: 12px; }
.cta-inner p { margin-bottom: 28px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── FORM ── */
.form-wrapper { display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: start; }
.form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; color: #9BA5BA; font-weight: 500; }

input, textarea {
  padding: 13px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: #E6EAF2;
  font-family: Inter, sans-serif;
  font-size: 14px;
  transition: border-color 0.2s;
  width: 100%;
}
input:focus, textarea:focus {
  outline: none;
  border-color: rgba(110,231,255,0.4);
}
input::placeholder, textarea::placeholder { color: #444; }
input.invalid { border-color: rgba(255,80,80,0.5); }

.field-error { font-size: 12px; color: #ff6b6b; min-height: 16px; }

.form-status {
  text-align: center;
  padding: 12px;
  border-radius: 10px;
  font-size: 14px;
  display: none;
}
.form-status.success {
  display: block;
  background: rgba(110,231,255,0.08);
  border: 1px solid rgba(110,231,255,0.25);
  color: #6EE7FF;
}
.form-status.error {
  display: block;
  background: rgba(255,80,80,0.08);
  border: 1px solid rgba(255,80,80,0.25);
  color: #ff6b6b;
}
.form-note { font-size: 11px; color: #444; text-align: center; margin: 0; }

/* ── FORM CONTACTS ── */
.form-contacts { display: flex; flex-direction: column; gap: 20px; padding-top: 8px; }
.form-contacts h3 { font-size: 18px; margin-bottom: 8px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  padding: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  transition: border-color 0.2s;
}
.contact-item:hover { border-color: rgba(110,231,255,0.2); }
.contact-icon { font-size: 22px; flex-shrink: 0; }
.contact-label { font-size: 12px; color: #666; margin-bottom: 2px; }
.contact-value { font-size: 15px; font-weight: 600; color: #E6EAF2; }

/* ── FOOTER ── */
.footer {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand p { color: #666; font-size: 13px; margin: 10px 0; line-height: 1.6; }
.footer-phone {
  display: inline-block;
  color: #6EE7FF;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: opacity 0.2s;
}
.footer-phone:hover { opacity: 0.75; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav h4, .footer-requisites h4 {
  color: #E6EAF2;
  margin: 0 0 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.footer-nav a { color: #666; text-decoration: none; font-size: 14px; transition: color 0.2s; }
.footer-nav a:hover { color: #6EE7FF; }
.footer-requisites p { color: #555; font-size: 12px; margin: 5px 0; line-height: 1.5; }
.footer-requisites span { color: #888; font-weight: 600; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 18px 0;
  text-align: center;
  color: #444;
  font-size: 12px;
}

/* ── FLOATING CALL ── */
.float-call {
  position: fixed;
  bottom: 80px;
  right: 24px;
  width: 54px; height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6EE7FF, #8B5CF6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(110,231,255,0.35);
  z-index: 90;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s, transform 0.3s;
}
.float-call.visible { opacity: 1; transform: scale(1); }
.float-call:hover { transform: scale(1.1); }

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: #E6EAF2;
  font-size: 18px;
  cursor: pointer;
  z-index: 90;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
}
.back-to-top.visible { opacity: 1; transform: scale(1); }
.back-to-top:hover { background: rgba(110,231,255,0.15); }

/* ── REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nav { display: none; }
  .burger { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-card { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; }
  .stat-divider { display: none; }
  .stat { border-right: 1px solid rgba(255,255,255,0.07); padding: 16px; }
  .stat:last-child { border-right: none; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .review-card { display: none; }
  .review-card.active { display: flex; }
  .steps { flex-direction: column; }
  .step-arrow { display: none; }
  .form-wrapper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .cases-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 40px 24px; }
  .service-card { flex-direction: column; }
}

@media (max-width: 560px) {
  .hero { padding: 120px 0 60px; }
  .section { padding: 60px 0; }
  .grid-3 { grid-template-columns: 1fr; }
  .hero-card { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .stat:last-child { border-bottom: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
  .cta-actions { flex-direction: column; align-items: center; }
  h1 { font-size: 28px; }
}
