/* ============ TOKENS ============ */
:root{
  --bg: #121316;
  --surface: #1b1d22;
  --surface-2: #22252b;
  --line: #2b2e34;
  --text: #f3f1ea;
  --text-muted: #93969f;
  --amber: #ffa23a;
  --amber-strong: #ff8c1a;
  --teal: #00d9c0;

  --font-display: "Unbounded", sans-serif;
  --font-body: "Manrope", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --wrap: 1160px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3{ font-family: var(--font-display); margin:0; line-height:1.12; letter-spacing:-0.01em; }
p{ margin:0; }
.mono{ font-family: var(--font-mono); }

.wrap{ max-width: var(--wrap); margin:0 auto; padding: 0 24px; }

a:focus-visible, button:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.accent-amber{ color: var(--amber); }
.accent-teal{ color: var(--teal); }

.eyebrow{
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12.5px;
  margin: 0 0 14px;
}

.section-title{
  font-size: clamp(28px, 4vw, 40px);
  max-width: 720px;
  margin-bottom: 44px;
}

.section-note{
  color: var(--text-muted);
  margin: -28px 0 32px;
  max-width: 560px;
  font-size: 14.5px;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 13px 22px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 14.5px;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: linear-gradient(135deg, var(--amber-strong), var(--amber));
  color: #191008;
}
.btn-primary:hover{ background: linear-gradient(135deg, var(--amber), #ffb85c); }
.btn-ghost{
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--teal); color: var(--teal); }
.btn-lg{ padding: 16px 26px; font-size: 15.5px; }

/* ============ HEADER ============ */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(18,19,22,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.logo{ display:flex; align-items:center; gap:10px; color: var(--text); }
.logo-mark{ color: var(--text-muted); display:flex; }
.logo-text{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.logo-text--small{ font-size: 16px; }

.main-nav{ display:flex; gap: 30px; }
.main-nav a{
  font-size: 14.5px; font-weight: 600; color: var(--text-muted);
  transition: color .15s ease;
}
.main-nav a:hover{ color: var(--text); }

.header-actions{ display:flex; align-items:center; gap: 18px; }
.phone-link{
  display:flex; align-items:center; gap:8px;
  font-weight: 700; font-size: 14.5px;
  color: var(--text);
}
.phone-link svg{ color: var(--teal); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width: 38px; height: 38px; background:none; border:1px solid var(--line); border-radius: 8px;
}
.nav-toggle span{ display:block; height:2px; width:18px; margin:0 auto; background: var(--text); }

/* ============ HERO ============ */
.hero{
  position: relative;
  padding: 90px 0 96px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.eq-field{
  position:absolute; inset:0; z-index:0;
  display:flex; align-items:flex-end; justify-content:center;
  opacity: 0.35;
  mask-image: linear-gradient(to top, black, transparent 78%);
  -webkit-mask-image: linear-gradient(to top, black, transparent 78%);
}
.eq-bars{
  display:flex; align-items:flex-end; gap: 6px;
  width: 100%; max-width: 1160px; height: 260px; padding: 0 24px;
}
.eq-bars::before{ content:""; }
.eq-bars{ position:relative; }
.eq-bars{ background-image: none; }
/* generate 40 bars via box-shadow trick avoided; use JS-inserted spans instead */
.eq-bar{
  flex:1; min-width:3px; border-radius: 3px 3px 0 0;
  background: linear-gradient(to top, var(--amber), var(--teal));
  animation: eq-pulse 2.4s ease-in-out infinite;
}
@keyframes eq-pulse{
  0%, 100%{ transform: scaleY(0.25); }
  50%{ transform: scaleY(1); }
}
.eq-bar{ transform-origin: bottom; }

.hero-inner{ position: relative; z-index: 1; text-align:center; }
.eyebrow{ display:block; }
.hero-inner .eyebrow{ text-align:center; }
.hero-title{
  font-size: clamp(36px, 6vw, 62px);
  margin-bottom: 26px;
}
.hero-formula{
  font-size: clamp(15px, 2vw, 19px);
  color: var(--text-muted);
  margin-bottom: 22px;
}
.hero-lead{
  max-width: 560px; margin: 0 auto 38px;
  color: var(--text-muted);
  font-size: 17px;
}
.hero-cta{ display:flex; gap: 14px; justify-content:center; flex-wrap: wrap; }

/* ============ SERVICES ============ */
.services{ padding: 100px 0; border-bottom: 1px solid var(--line); }
.service-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.service-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.service-card:hover{ border-color: var(--teal); transform: translateY(-3px); }
.unit-badge{
  position: absolute; top: 20px; right: 22px;
  font-size: 12px; color: var(--teal);
  border: 1px solid var(--line);
  padding: 3px 9px; border-radius: 100px;
}
.service-icon{ color: var(--text-muted); margin-bottom: 22px; }
.service-card h3{ font-size: 19px; margin-bottom: 10px; }
.service-card p{ color: var(--text-muted); font-size: 14.5px; }

/* ============ WHY ============ */
.why{ padding: 100px 0; border-bottom: 1px solid var(--line); }
.why-inner{ display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items:center; }
.why-list{ display:flex; flex-direction:column; gap: 18px; margin-top: 8px; }
.why-list li{ color: var(--text-muted); font-size: 15px; padding-left: 22px; position:relative; }
.why-list li::before{
  content:""; position:absolute; left:0; top: 9px;
  width: 8px; height: 8px; border-radius: 2px; background: var(--amber);
}
.why-list strong{ color: var(--text); }

.why-formula{ display:flex; justify-content:center; }
.formula-card{
  display:flex; flex-wrap:wrap; gap: 10px; align-items:center; justify-content:center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  font-size: 16px;
  text-align:center;
}
.formula-card .op{ color: var(--text-muted); }

/* ============ PROCESS ============ */
.process{ padding: 100px 0; border-bottom: 1px solid var(--line); }
.process-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.process-step{ padding-top: 4px; }
.step-num{
  display:block; color: var(--amber); font-size: 14px; margin-bottom: 16px;
}
.process-step h3{ font-size: 19px; margin-bottom: 10px; }
.process-step p{ color: var(--text-muted); font-size: 14.5px; }

/* ============ WORKS ============ */
.works{ padding: 100px 0; border-bottom: 1px solid var(--line); }
.works-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.work-card{
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  border: 1px dashed var(--line);
  background:
    repeating-linear-gradient(135deg, var(--surface) 0 14px, var(--surface-2) 14px 28px);
  display:flex; flex-direction:column; justify-content:space-between;
  padding: 18px;
}
.work-tag{
  align-self:flex-start;
  font-size: 12px; color: var(--teal);
  border: 1px solid var(--line); background: var(--bg);
  padding: 3px 9px; border-radius: 100px;
}
.work-label{ color: var(--text-muted); font-size: 13.5px; font-weight: 600; }

/* ============ CONTACTS ============ */
.contacts{ padding: 100px 0; }
.contacts-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items:stretch; }
.contact-row{
  display:flex; align-items:center; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  font-size: 16px; font-weight: 600;
}
.contact-row svg{ color: var(--teal); flex-shrink:0; }
.contact-row--static{ font-weight: 500; color: var(--text-muted); }
.note-inline{ color: var(--text-muted); font-size: 12px; font-style: normal; }
.social-row{ display:flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.contacts-map{
  min-height: 340px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

/* ============ FOOTER ============ */
.site-footer{ border-top: 1px solid var(--line); padding: 40px 0; }
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; gap: 20px; flex-wrap: wrap;
  color: var(--text-muted); font-size: 13.5px;
}
.footer-inner a{ color: var(--text); font-weight: 700; }
.footer-social{ display:flex; align-items:center; gap: 18px; flex-wrap: wrap; }
.footer-social a{ font-weight: 600; color: var(--text-muted); transition: color .15s ease; }
.footer-social a:hover{ color: var(--teal); }
.footer-social a.mono{ color: var(--text); }

/* ============ FLOATING CALL BUTTON ============ */
.fab-call{
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, var(--amber-strong), var(--amber));
  color: #191008;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 30px rgba(255,140,26,0.35);
}
.fab-ring{
  position:absolute; inset:-6px; border-radius:50%;
  border: 2px solid var(--amber);
  opacity: .6;
  animation: fab-pulse 2.2s ease-out infinite;
}
@keyframes fab-pulse{
  0%{ transform: scale(0.9); opacity: .55; }
  100%{ transform: scale(1.5); opacity: 0; }
}

/* ============ REVEAL ============ */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible{ opacity: 1; transform: none; }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px){
  .service-grid{ grid-template-columns: repeat(2,1fr); }
  .works-grid{ grid-template-columns: repeat(2,1fr); }
  .why-inner{ grid-template-columns: 1fr; }
  .why-formula{ order:-1; }
  .contacts-inner{ grid-template-columns: 1fr; }
  .contacts-map{ min-height: 280px; }
  .process-grid{ grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 760px){
  .main-nav{
    position: fixed; inset: 76px 0 auto 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column; gap:0;
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0; visibility: hidden; pointer-events:none;
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .main-nav.is-open{
    opacity:1; visibility: visible; pointer-events:auto; transform: translateY(0);
  }
  .main-nav a{ padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:flex; }
  .header-actions .btn-primary{ display:none; }
  .phone-link span, .phone-link{ font-size: 13px; }
  .hero{ padding: 64px 0 70px; }
  .service-grid{ grid-template-columns: 1fr; }
  .works-grid{ grid-template-columns: 1fr 1fr; }
  .work-card{ aspect-ratio: 1/1; }
}