@import url('https://fonts.googleapis.com/css2?family=Anton&family=Barlow:wght@400;500;600&display=swap');

:root {
  --bg: #0A0A0A;
  --surface: #111111;
  --surface2: #1A1A1A;
  --gold: #FFD700;
  --gold-dim: rgba(255, 215, 0, 0.12);
  --gold-glow: rgba(255, 215, 0, 0.35);
  --text: #FFFFFF;
  --muted: rgba(255, 255, 255, 0.55);
  --border: rgba(255, 215, 0, 0.15);
  --border-bright: rgba(255, 215, 0, 0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { overflow-x: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }

h1 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(52px, 8vw, 100px);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: 1px;
  text-transform: uppercase;
}
h2 {
  font-family: 'Anton', sans-serif;
  font-size: clamp(36px, 5vw, 68px);
  font-weight: 400;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 48px;
}
h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 16px;
}

section {
  padding: 100px 80px;
  border-top: 1px solid var(--border);
  position: relative;
}

.section-diagonal-bottom {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 60px), 0 100%);
  padding-bottom: 160px !important;
}
.section-diagonal-top {
  clip-path: polygon(0 60px, 100% 0, 100% 100%, 0 100%);
  padding-top: 160px !important;
  margin-top: -60px;
}

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: filter .2s, transform .15s, background .2s, border-color .2s;
}

.btn-primary {
  background: var(--gold);
  color: #000;
  padding: 18px 44px;
  border: none;
  clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
}
.btn-primary:hover {
  filter: drop-shadow(0 0 20px var(--gold-glow)) brightness(1.1);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  padding: 17px 42px;
  border: 1px solid var(--border-bright);
  clip-path: polygon(14px 0%, 100% 0%, calc(100% - 14px) 100%, 0% 100%);
}
.btn-outline:hover { background: var(--gold-dim); border-color: var(--gold); }

.btn-mini { padding: 10px 28px; font-size: 13px; }
.full { width: 100%; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 36px;
  transition: border-color .3s, box-shadow .3s, transform .2s;
}
.card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 0 30px var(--gold-dim);
  transform: skewX(-1deg) translateY(-2px);
}
.card-gold {
  background: var(--gold-dim);
  border: 1px solid var(--border-bright);
  padding: 36px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 68px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
}
.nav {
  height: 100%;
  padding: 0 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
}
.brand svg { width: 24px; height: 24px; }
.menu {
  display: flex;
  align-items: center;
  gap: 18px;
}
.menu-close { display: none; }
.menu a {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.menu a:hover,
.menu a.active { color: var(--gold); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.phone { color: var(--gold); font-weight: 600; }

.burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-bright);
  background: transparent;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.burger span { width: 18px; height: 2px; background: var(--gold); }

.hero {
  min-height: 100vh;
  padding: 0;
  border-top: none;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 120%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
  will-change: transform;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,10,0.97) 50%, rgba(10,10,10,0.7) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 160px 80px 120px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-bright);
  padding: 8px 20px;
  margin-bottom: 40px;
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
}
.hero-badge svg { width: 8px; height: 8px; animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .2; } }

.hero h1 span { color: var(--gold); }
.hero-sub {
  max-width: 560px;
  margin-top: 32px;
  font-size: 20px;
  color: var(--muted);
}
.hero-actions {
  display: flex;
  gap: 20px;
  margin-top: 44px;
  flex-wrap: wrap;
}

.hero-facts {
  position: absolute;
  right: 80px;
  bottom: 80px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero-fact {
  border-left: 3px solid var(--gold);
  padding-left: 20px;
}
.hero-fact strong {
  display: block;
  font-family: 'Anton', sans-serif;
  font-size: 48px;
  color: var(--gold);
}
.hero-fact span { font-size: 13px; color: var(--muted); }

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.scroll-indicator svg {
  width: 24px;
  margin: 0 auto 4px;
  animation: bounce 1.3s infinite;
}
@keyframes bounce {
  50% { transform: translateY(6px); }
}

.model-grid,
.calc-grid,
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.compare { display: grid; gap: 20px; }
.bad h3 { color: rgba(255,100,100,0.9); }
.bad li, .good li { margin-left: 20px; margin-bottom: 8px; }
.gold-text { color: var(--gold); font-weight: 600; margin: 12px 0; }
.muted { color: var(--muted); }

.calc-controls label {
  display: block;
  font-size: 11px;
  letter-spacing: 2px;
  margin: 16px 0 8px;
  color: var(--gold);
}
.calc-controls p { color: var(--gold); font-size: 20px; font-weight: 600; margin-top: 8px; }
input[type="range"] { width: 100%; accent-color: var(--gold); }
.calc-tabs { display: flex; gap: 12px; flex-wrap: wrap; }
.calc-tab {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-bright);
  padding: 10px 18px;
  clip-path: polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  cursor: pointer;
}
.calc-tab.active { background: var(--gold); color: #000; border-color: var(--gold); }
.calc-result { display: grid; align-content: start; gap: 12px; }
.calc-big {
  font-family: 'Anton', sans-serif;
  font-size: clamp(42px, 6vw, 64px);
  color: var(--gold);
}
.calc-vs {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 8px;
}
.calc-vs p:first-child { color: rgba(255,100,100,0.7); margin-bottom: 6px; }

.intro { max-width: 860px; color: var(--muted); margin-bottom: 24px; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.num-bg {
  float: right;
  font-family: 'Anton', sans-serif;
  font-size: 80px;
  color: rgba(255,215,0,0.06);
  line-height: 1;
}
.services-grid svg { width: 32px; height: 32px; margin-bottom: 12px; }
.tags { margin-top: 10px; color: var(--gold); font-size: 13px; }

.case-list { display: grid; gap: 34px; }
.case-item {
  border-top: 1px solid var(--border);
  padding: 60px 0;
  display: grid;
  grid-template-columns: 40fr 60fr;
  gap: 60px;
  align-items: center;
}
.case-photo {
  height: 320px;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--border);
}
.badge {
  display: inline-block;
  border: 1px solid var(--border-bright);
  color: var(--gold);
  padding: 6px 16px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.compare-pay {
  margin: 16px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.compare-pay p:first-child { color: rgba(255,100,100,0.7); }
.compare-pay p:last-child { color: var(--gold); }
.result-line { color: var(--gold); font-weight: 600; }

.numbers {
  background: var(--surface);
  padding: 80px;
  position: relative;
}
.numbers-decor {
  position: absolute;
  right: -100px;
  top: -100px;
  width: 400px;
  opacity: .1;
  pointer-events: none;
}
.numbers-flex {
  display: flex;
  position: relative;
  z-index: 1;
}
.number-item {
  flex: 1;
  padding: 0 48px;
  border-right: 1px solid var(--border);
}
.number-item:first-child { padding-left: 0; }
.number-item:last-child { border-right: none; }
.number-item strong {
  display: block;
  font-family: 'Anton', sans-serif;
  font-size: 72px;
  color: var(--gold);
  filter: drop-shadow(0 0 16px var(--gold-glow));
}
.number-item p {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 1px;
}

.how-flex {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
}
.how-step { flex: 1; padding: 0 20px; position: relative; }
.how-step:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 42%;
  width: 24px;
  height: 24px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12H18M12 6L18 12L12 18' fill='none' stroke='%23FFD700' stroke-width='2'/%3E%3C/svg%3E") no-repeat center;
}
.how-num {
  font-family: 'Anton', sans-serif;
  font-size: 80px;
  color: rgba(255,215,0,0.07);
  display: block;
}
.how-step h3 { margin-top: -18px; }
.how-step p { color: var(--muted); font-size: 15px; }
.how-step small {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.rate {
  font-family: 'Anton', sans-serif;
  color: var(--gold);
  font-size: 44px;
  line-height: 1;
  margin: 8px 0 12px;
}
.popular {
  display: inline-block;
  background: var(--gold);
  color: #000;
  padding: 4px 12px;
  font-size: 11px;
  letter-spacing: 1px;
  font-weight: 600;
}
.pricing-grid ul { margin: 14px 0 18px 18px; }
.pricing-note {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  margin-top: 32px;
  color: var(--muted);
  font-size: 15px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.review-avatar {
  width: 80px;
  height: 80px;
  margin-bottom: 10px;
}
.meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }

.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-btn {
  width: 100%;
  background: none;
  border: 0;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  text-align: left;
  cursor: pointer;
}
.faq-btn svg { width: 20px; height: 20px; transition: transform .2s; }
.faq-item.open .faq-btn svg { transform: rotate(45deg); }
.faq-answer { padding: 0 0 24px; color: var(--muted); }
.faq-item:not(.open) .faq-answer { display: none; }

.form-section {
  padding: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.ruble-bg {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 0;
  font-family: 'Anton', sans-serif;
  font-size: 600px;
  color: rgba(255,215,0,0.02);
  pointer-events: none;
}
.form-grid {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 120px 80px;
}
.fact-lines p {
  border-left: 3px solid var(--gold);
  padding-left: 20px;
  margin-bottom: 20px;
}
.form-photo {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border: 1px solid var(--border);
  margin-top: 20px;
}
.form-title {
  font-family: 'Anton', sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
}
form label { display: block; margin-bottom: 6px; font-size: 14px; }
input, select, textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 14px 18px;
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-size: 15px;
  margin: 8px 0 14px;
  transition: border-color .3s, box-shadow .3s;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-dim);
}
select option { background: var(--surface2); }
.privacy { font-size: 12px; color: var(--muted); margin-top: 10px; }
.privacy a { color: var(--gold); }
.thank-you { display: none; text-align: center; padding: 48px; }
.thank-you.show { display: block; }
.thank-you svg { width: 60px; margin: 0 auto 12px; }
.thank-you h3 { font-family: 'Anton', sans-serif; text-transform: uppercase; }

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.contacts-grid .card svg { width: 32px; height: 32px; margin-bottom: 10px; }
.contact-phone {
  font-family: 'Anton', sans-serif;
  font-size: 24px;
  color: var(--gold);
  text-transform: uppercase;
}
.contacts-grid iframe {
  width: 100%;
  height: 200px;
  border: 1px solid var(--border);
  margin-top: 16px;
}
.contacts-grid a { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.contacts-grid a svg { width: 20px; height: 20px; margin: 0; }

.site-footer {
  background: #050505;
  border-top: 1px solid var(--border);
  padding: 60px 80px 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 30px;
}
.footer-brand p,
.footer-col p,
.footer-col li,
.footer-col a,
.footer-legal p { color: var(--muted); }

.footer-col h3,
.footer-brand .brand { margin-bottom: 14px; }

.footer-brand .brand {
  width: fit-content;
  padding: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 215, 0, 0.03);
}

.footer-brand .brand svg {
  width: 46px;
  height: 46px;
}

.footer-col ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-col a:hover,
.footer-docs a:hover,
.footer-socials a:hover {
  color: var(--gold);
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.footer-badges span {
  border: 1px solid var(--border);
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 1px;
  padding: 7px 10px;
}

.footer-contacts {
  display: grid;
  align-content: start;
  gap: 10px;
}

.footer-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.footer-socials a {
  border: 1px solid var(--border-bright);
  color: var(--gold);
  padding: 6px 10px;
  font-size: 12px;
  letter-spacing: 1px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.footer-legal {
  display: grid;
  gap: 4px;
}

.footer-docs {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-docs a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.footer-docs a:hover {
  border-color: var(--gold);
}

.floating-call {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  clip-path: polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%);
  background: var(--gold);
  color: #000;
  box-shadow: 0 8px 24px var(--gold-glow);
  z-index: 120;
}
.floating-call.show { display: inline-flex; }
.floating-call svg { width: 28px; height: 28px; }

.fade {
  opacity: 0;
  transform: translateY(20px);
  transition: .6s ease;
}
.fade.visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 767px) {
  section { padding: 70px 20px; }
  .section-diagonal-bottom { padding-bottom: 110px !important; }
  .nav { padding: 0 20px; height: 60px; }
  h1 { font-size: 40px; letter-spacing: 0; }
  h2 { font-size: 28px; }
  .btn-primary {padding: 16px 20px; width: 100%;}
  .hero-content { padding: 120px 20px 100px; }
  .hero-facts {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 20px 20px 0;
  }
  .hero-fact {
    border-left-width: 2px;
    padding: 10px 10px 10px 12px;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .hero-fact:last-child { grid-column: 1 / -1; }
  .model-grid { grid-template-columns: 1fr; gap: 40px; }
  .calc-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr; }
  .case-item { grid-template-columns: 1fr; }
  .case-photo { height: 240px; }
  .numbers { padding: 56px 20px; }
  .numbers-flex { flex-wrap: wrap; padding: 0 4px; }
  .number-item { width: 50%; border-right: none; border-bottom: 1px solid var(--border); padding: 18px 12px; flex: none;}
  .how-flex { flex-direction: column; gap: 32px; }
  .card {padding: 20px;}
  .how-step:not(:last-child)::after { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .contacts-grid { grid-template-columns: 1fr; gap: 20px; }
  .site-footer { padding: 50px 20px 30px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
  .footer-docs { gap: 14px; }
  .form-grid { grid-template-columns: 1fr; gap: 40px; padding: 80px 20px; }
  .menu, .nav-right { display: none; }
  .menu.open {
    display: flex;
    position: fixed;
    inset: 0;
    height: 100vh;
    z-index: 220;
    background: linear-gradient(180deg, rgba(10, 10, 10, 0.78) 0%, rgba(10, 10, 10, 0.9) 100%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 90px 30px 30px;
    gap: 18px;
  }
  .menu.open a {
    width: 100%;
    max-width: 320px;
    text-align: center;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
  }
  .menu.open a.active,
  .menu.open a:hover {
    color: var(--gold);
    border-color: var(--border-bright);
    background: var(--gold-dim);
  }
  .menu.open .menu-close {
    display: inline-flex;
    position: absolute;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-bright);
    background: var(--surface);
    color: var(--gold);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
  }
  .burger { display: inline-flex; }
}

@media (min-width: 768px) and (max-width: 1279px) {
  section { padding: 80px 40px; }
  .nav { padding: 0 40px; }
  .model-grid { grid-template-columns: 1fr; gap: 60px; }
  .calc-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .case-item { grid-template-columns: 1fr 1fr; gap: 40px; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .contacts-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer { padding: 50px 40px 30px; }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
}

@media (min-width: 1280px) {
  .model-grid { grid-template-columns: 1fr 1fr; gap: 80px; }
  .calc-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .case-item { grid-template-columns: 40fr 60fr; gap: 60px; align-items: center; }
  .numbers-flex { display: flex; flex-direction: row; }
  .number-item { flex: 1; padding: 0 48px; border-right: 1px solid var(--border); }
  .number-item:first-child { padding-left: 0; }
  .number-item:last-child { border-right: none; }
  .how-flex { display: flex; flex-direction: row; align-items: flex-start; gap: 0; }
  .how-step { flex: 1; padding: 0 20px; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .contacts-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; gap: 80px; }
}