/* ============================================================
   TEHNO-DOMA.RU — Main Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700&display=swap');

/* === CSS Variables === */
:root {
  --primary:       #383838;
  --primary-light: #545454;
  --primary-dark:  #1e1e1e;
  --accent:        #f5c200;
  --accent-hover:  #ddb000;
  --text:          #2a2a2a;
  --text-light:    #686868;
  --text-muted:    #a0a0a0;
  --bg:            #f0f0f0;
  --bg-dark:       #e2e2e2;
  --white:         #ffffff;
  --border:        #d2d2d2;
  --shadow-sm:     0 1px 3px rgba(0,0,0,.12);
  --shadow:        0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:     0 10px 30px rgba(0,0,0,.15);
  --radius:        8px;
  --radius-lg:     16px;
  --transition:    all .3s ease;
  --container:     1200px;
  --header-h:      70px;
  --topbar-h:      36px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; font-size: 16px; }
body  { font-family: 'Roboto', sans-serif; color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img   { max-width: 100%; height: auto; display: block; }
a     { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
input, textarea, button, select { font-family: inherit; }

/* === Typography === */
h1,h2,h3,h4,h5,h6 { font-family:'Roboto Condensed',sans-serif; font-weight:700; line-height:1.2; color:var(--primary); }
h1 { font-size: clamp(2rem,   5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background:var(--accent); color:var(--primary-dark); border-color:var(--accent); }
.btn-primary:hover { background:var(--accent-hover); border-color:var(--accent-hover); transform:translateY(-2px); box-shadow:var(--shadow); }
.btn-outline { background:transparent; color:var(--white); border-color:var(--white); }
.btn-outline:hover { background:var(--white); color:var(--primary); }
.btn-outline-dark { background:transparent; color:var(--primary); border-color:var(--primary); }
.btn-outline-dark:hover { background:var(--primary); color:var(--white); }

/* === Sections === */
section { padding: 80px 0; }
.section-header { text-align:center; margin-bottom:56px; }
.section-header h2 { margin-bottom:12px; }
.section-header p { font-size:1.05rem; color:var(--text-light); max-width:600px; margin:0 auto; }
.section-divider { width:56px; height:4px; background:var(--accent); margin:14px auto; border-radius:2px; }

/* ============================================================
   TOPBAR
   ============================================================ */
.topbar {
  position: fixed; top:0; left:0; right:0; z-index:1001;
  height: var(--topbar-h);
  background: #111111;
  border-bottom: 1px solid rgba(255,255,255,.07);
  display: flex; align-items: center;
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-contacts { display:flex; align-items:center; gap:20px; }
.topbar-item {
  display:flex; align-items:center; gap:6px;
  font-size:.73rem; color:rgba(255,255,255,.45);
  letter-spacing:.2px;
}
.topbar-item a { color:rgba(255,255,255,.55); font-size:.73rem; }
.topbar-item a:hover { color:var(--accent); }
.topbar-item-icon { color:var(--accent); font-size:.78rem; }
.topbar-tagline { font-size:.68rem; color:rgba(255,255,255,.22); text-transform:uppercase; letter-spacing:1.5px; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed; top:var(--topbar-h); left:0; right:0; z-index:1000;
  background: var(--primary);
  height: var(--header-h);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.header.scrolled { background: rgba(40,40,40,.97); backdrop-filter:blur(10px); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

/* Logo */
.logo { display:flex; flex-direction:column; line-height:1.1; }
.logo-name { font-family:'Roboto Condensed',sans-serif; font-size:1.5rem; font-weight:700; color:var(--white); letter-spacing:1px; }
.logo-name span { color:var(--accent); }
.logo-tagline { font-size:.6rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:2px; }

/* Nav */
.nav { display:flex; align-items:center; gap:4px; }
.nav-link {
  color: rgba(255,255,255,.82);
  font-size:.88rem;
  font-weight:500;
  padding:8px 14px;
  border-radius:var(--radius);
  text-transform:uppercase;
  letter-spacing:.4px;
}
.nav-link:hover, .nav-link.active { color:var(--accent); background:rgba(255,255,255,.06); }
.nav-cta {
  background:var(--accent); color:var(--primary-dark);
  padding:9px 22px; border-radius:var(--radius);
  font-weight:700; font-size:.88rem;
  text-transform:uppercase; letter-spacing:.4px;
}
.nav-cta:hover { background:var(--accent-hover); color:var(--primary-dark); }

/* Burger */
.burger {
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; cursor:pointer;
  background:none; border:none; padding:4px;
}
.burger span { display:block; width:100%; height:2px; background:var(--white); border-radius:2px; transition:var(--transition); }
.burger.active span:nth-child(1) { transform:translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity:0; }
.burger.active span:nth-child(3) { transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO (main page)
   ============================================================ */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(var(--topbar-h) + var(--header-h) + 40px) 0 56px;
  background-color: #191919;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,0,0,.72) 0%,
    rgba(0,0,0,.55) 50%,
    rgba(0,0,0,.45) 100%
  );
  z-index: 1;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 32%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  z-index: 2;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
/* Two-column layout inside hero */
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: center;
  width: 100%;
}
.hero-content { position:relative; z-index:1; }

/* Hero contact form card */
.hero-form-card {
  position: relative; z-index: 2;
  background: rgba(15,15,15,.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(245,194,0,.25);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: 0 8px 40px rgba(0,0,0,.5);
}
.hfc-title {
  color: var(--white);
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 4px;
}
.hfc-sub {
  color: rgba(255,255,255,.6);
  font-size: .78rem;
  margin-bottom: 20px;
}
.hfc-group { margin-bottom: 12px; }
.hfc-input {
  width: 100%; padding: 11px 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  color: var(--white); font-size: .88rem;
  font-family: 'Roboto', sans-serif;
  transition: var(--transition); outline: none;
}
.hfc-input:focus { border-color: var(--accent); background: rgba(255,255,255,.13); }
.hfc-input::placeholder { color: rgba(255,255,255,.45); }
select.hfc-input option { background: #1e1e1e; color: #fff; }
.hfc-note {
  font-size: .7rem;
  color: rgba(255,255,255,.35);
  text-align: center;
  margin-top: 10px;
}
.hfc-success {
  display: none;
  background: rgba(76,175,80,.15);
  border: 1px solid rgba(76,175,80,.3);
  color: #a5d6a7;
  padding: 12px; border-radius: var(--radius);
  font-size: .85rem; text-align: center;
  margin-top: 12px;
}
.hfc-error {
  display: none;
  background: rgba(229,57,53,.15);
  border: 1px solid rgba(229,57,53,.3);
  color: #ef9a9a;
  padding: 12px; border-radius: var(--radius);
  font-size: .85rem; text-align: center;
  margin-top: 12px;
}

.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(245,194,0,.10); border:1px solid rgba(245,194,0,.28);
  color:var(--accent); padding:5px 16px; border-radius:50px;
  font-size:.78rem; font-weight:600; text-transform:uppercase; letter-spacing:1px;
  margin-bottom:16px;
}
.hero-badge::before {
  content:''; width:6px; height:6px;
  background:var(--accent); border-radius:50%;
  animation:pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { transform:scale(1); opacity:1; }
  50%      { transform:scale(1.6); opacity:.4; }
}

.hero h1 { color:var(--white); margin-bottom:14px; text-shadow:0 2px 10px rgba(0,0,0,.4); }
.hero h1 span { color:var(--accent); }
.hero-text { font-size:1rem; color:rgba(255,255,255,.75); margin-bottom:28px; max-width:520px; line-height:1.65; }
.hero-buttons { display:flex; gap:12px; flex-wrap:wrap; }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 32px;
  padding: 24px 32px;
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255,255,255,.15);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.hero-stat-item { text-align: center; flex: 1; }
.hero-stat-sep {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.15);
  flex-shrink: 0;
}
.hero-stat-value {
  font-family:'Roboto Condensed',sans-serif; font-size:2.2rem;
  font-weight:700; color:var(--accent); line-height:1;
}
.hero-stat-label { font-size:.72rem; color:rgba(255,255,255,.55); text-transform:uppercase; letter-spacing:1.2px; margin-top:6px; }

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background-color: #191919;
  background-image:
    repeating-linear-gradient(-45deg, transparent 0, transparent 24px, rgba(255,255,255,.022) 24px, rgba(255,255,255,.022) 25px),
    repeating-linear-gradient( 45deg, transparent 0, transparent 24px, rgba(255,255,255,.022) 24px, rgba(255,255,255,.022) 25px);
  padding: calc(var(--topbar-h) + var(--header-h) + 44px) 0 52px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(ellipse 80% 100% at 50% 60%, rgba(60,60,60,.5) 0%, transparent 70%);
  pointer-events:none;
}
.page-hero::after {
  content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%);
  width:80px; height:3px;
  background: var(--accent);
  pointer-events:none;
}
.page-hero h1 { color:var(--white); position:relative; }
.page-hero p { color:rgba(255,255,255,.8); font-size:1.05rem; max-width:580px; margin:14px auto 0; position:relative; }

/* Breadcrumb */
.breadcrumb { display:flex; align-items:center; gap:8px; justify-content:center; margin-bottom:16px; position:relative; }
.breadcrumb a { color:rgba(255,255,255,.55); font-size:.82rem; }
.breadcrumb a:hover { color:var(--accent); }
.breadcrumb .sep { color:rgba(255,255,255,.3); font-size:.82rem; }
.breadcrumb .current { color:var(--accent); font-size:.82rem; }

/* ============================================================
   FEATURES / WHY US
   ============================================================ */
.features { background:var(--bg); }
.features-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:28px; }

.feature-card {
  background:var(--white); border-radius:var(--radius-lg);
  padding:34px 26px; box-shadow:var(--shadow-sm);
  border:1px solid var(--border); transition:var(--transition); position:relative; overflow:hidden;
}
.feature-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--accent),var(--primary));
  transform:scaleX(0); transform-origin:left; transition:var(--transition);
}
.feature-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); }
.feature-card:hover::before { transform:scaleX(1); }

.feature-icon {
  width:62px; height:62px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  border-radius:var(--radius); display:flex; align-items:center; justify-content:center;
  margin-bottom:22px; font-size:1.7rem;
}
.feature-card h3 { font-size:1.15rem; margin-bottom:10px; }
.feature-card p { font-size:.92rem; color:var(--text-light); line-height:1.65; margin:0; }

/* ============================================================
   SERVICES (preview on home page)
   ============================================================ */
.services-preview { background:var(--white); }
.services-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(270px,1fr)); gap:24px; margin-bottom:44px; }

.service-card {
  background:var(--white); border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden;
  transition:var(--transition); box-shadow:var(--shadow-sm);
}
.service-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--accent); }

.service-card-img {
  height:170px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex; align-items:center; justify-content:center; font-size:3rem;
}
.service-card-body { padding:22px; }
.service-card h3 { font-size:1.05rem; margin-bottom:8px; }
.service-card p { font-size:.88rem; color:var(--text-light); line-height:1.55; margin:0; }

/* ============================================================
   SERVICES FULL PAGE
   ============================================================ */
.services-page { background:var(--bg); }
.services-full-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:28px; }

.service-full-card {
  background:var(--white); border-radius:var(--radius-lg);
  overflow:hidden; box-shadow:var(--shadow-sm);
  border:1px solid var(--border); transition:var(--transition);
}
.service-full-card:hover { box-shadow:var(--shadow); transform:translateY(-4px); }

.sfc-header {
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  padding:26px 24px;
  display:flex; align-items:center; gap:16px;
}
.sfc-icon {
  width:52px; height:52px; flex-shrink:0;
  background:rgba(255,255,255,.15); border-radius:var(--radius);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem;
}
.sfc-header h3 { color:var(--white); font-size:1.1rem; }

.sfc-body { padding:22px; }
.sfc-body p { font-size:.92rem; color:var(--text-light); margin-bottom:14px; line-height:1.6; }

.check-list { display:flex; flex-direction:column; gap:7px; }
.check-list li { display:flex; align-items:flex-start; gap:10px; font-size:.88rem; color:var(--text); }
.check-list li::before { content:'✓'; color:var(--accent); font-weight:700; flex-shrink:0; margin-top:1px; }

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background-color: #191919;
  background-image:
    repeating-linear-gradient(-45deg, transparent 0, transparent 24px, rgba(255,255,255,.022) 24px, rgba(255,255,255,.022) 25px),
    repeating-linear-gradient( 45deg, transparent 0, transparent 24px, rgba(255,255,255,.022) 24px, rgba(255,255,255,.022) 25px);
  padding:72px 0; text-align:center; position:relative; overflow:hidden;
}
.cta-section::before {
  content:''; position:absolute; inset:0;
  background: radial-gradient(ellipse 70% 100% at 50% 50%, rgba(60,60,60,.5) 0%, transparent 70%);
  pointer-events:none;
}
.cta-section::after {
  content:''; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:80px; height:3px;
  background: var(--accent);
  pointer-events:none;
}
.cta-section h2 { color:var(--white); margin-bottom:12px; position:relative; }
.cta-section > .container > p { color:rgba(255,255,255,.8); font-size:1.05rem; margin-bottom:32px; position:relative; }
.cta-buttons { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; position:relative; }

/* ============================================================
   PORTFOLIO
   ============================================================ */
.portfolio-section { background:var(--bg); }
.portfolio-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(310px,1fr)); gap:24px; }

.portfolio-card {
  background:var(--white); border-radius:var(--radius-lg);
  overflow:hidden; box-shadow:var(--shadow-sm);
  border:1px solid var(--border); transition:var(--transition); cursor:pointer;
}
.portfolio-card:hover { transform:translateY(-5px); box-shadow:var(--shadow-lg); }

.pc-img {
  position:relative; height:240px;
  overflow:hidden; background:var(--bg-dark);
}
.pc-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.portfolio-card:hover .pc-img img { transform:scale(1.06); }

.pc-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to bottom,transparent 40%,rgba(26,47,78,.82) 100%);
  display:flex; align-items:flex-end; padding:18px;
  opacity:0; transition:var(--transition);
}
.portfolio-card:hover .pc-overlay { opacity:1; }
.pc-overlay span { color:var(--white); font-size:.88rem; font-weight:500; }

.pc-body { padding:18px; }
.pc-body h3 { font-size:.98rem; margin-bottom:6px; color:var(--primary); }
.pc-body p  { font-size:.85rem; color:var(--text-light); line-height:1.5; margin:0; }

.portfolio-empty { text-align:center; padding:60px; color:var(--text-light); }
.portfolio-empty span { font-size:3rem; display:block; margin-bottom:16px; }

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position:fixed; inset:0;
  background:rgba(0,0,0,.95); z-index:9999;
  display:none; align-items:center; justify-content:center; padding:20px;
}
.lightbox.active { display:flex; }
.lightbox-inner { position:relative; max-width:90vw; max-height:90vh; text-align:center; }
.lightbox-inner img { max-width:100%; max-height:75vh; object-fit:contain; border-radius:var(--radius); }
.lightbox-caption { color:var(--white); margin-top:14px; font-size:.95rem; }
.lightbox-close {
  position:fixed; top:20px; right:20px;
  width:44px; height:44px;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2);
  border-radius:50%; color:var(--white); font-size:1.3rem;
  cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition:var(--transition); line-height:1;
}
.lightbox-close:hover { background:rgba(255,255,255,.2); }

/* ============================================================
   CONTACTS
   ============================================================ */
.contacts-section { background:var(--white); }
.contacts-grid { display:grid; grid-template-columns:1fr 1.6fr; gap:60px; align-items:start; }

.contact-info { display:flex; flex-direction:column; gap:28px; }
.contact-info-item { display:flex; gap:18px; align-items:flex-start; }
.c-icon {
  width:50px; height:50px; flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  border-radius:var(--radius); display:flex; align-items:center; justify-content:center; font-size:1.25rem;
}
.contact-info-item h4 { font-size:.75rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); margin-bottom:5px; }
.contact-info-item p, .contact-info-item a { font-size:1rem; font-weight:500; color:var(--text); margin:0; }
.contact-info-item a:hover { color:var(--accent); }

/* Form */
.contact-form-wrap {
  background:var(--bg); border-radius:var(--radius-lg);
  padding:38px; border:1px solid var(--border);
}
.contact-form-wrap h3 { margin-bottom:6px; }
.contact-form-wrap > p { color:var(--text-light); font-size:.92rem; margin-bottom:26px; }

.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:.8rem; font-weight:600; text-transform:uppercase; letter-spacing:.4px; margin-bottom:7px; }
.form-control {
  width:100%; padding:13px 16px;
  background:var(--white); border:1px solid var(--border);
  border-radius:var(--radius); font-size:.97rem; color:var(--text);
  transition:var(--transition); outline:none;
}
.form-control:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(240,165,0,.12); }
.form-control::placeholder { color:var(--text-muted); }
textarea.form-control { resize:vertical; min-height:120px; }

/* Телефонное поле — состояния */
input[type="tel"].phone-incomplete {
  border-color: #e53935;
  box-shadow: 0 0 0 3px rgba(229,57,53,.12);
  animation: phone-shake .35s ease;
}
input[type="tel"].phone-incomplete + .phone-hint,
input[type="tel"].phone-incomplete ~ .phone-hint { display:block; }
.phone-hint {
  display:none; font-size:.78rem;
  color:#e53935; margin-top:4px;
}
@keyframes phone-shake {
  0%,100% { transform:translateX(0); }
  20%      { transform:translateX(-5px); }
  40%      { transform:translateX(5px); }
  60%      { transform:translateX(-4px); }
  80%      { transform:translateX(4px); }
}
/* Hero form tel */
.hfc-input[type="tel"].phone-incomplete {
  border-color:#e53935 !important;
  box-shadow:0 0 0 3px rgba(229,57,53,.18) !important;
  animation: phone-shake .35s ease;
}
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-note { font-size:.78rem; color:var(--text-muted); margin-top:10px; }

.form-success {
  display:none; background:#d4edda; border:1px solid #c3e6cb;
  color:#155724; padding:14px 18px; border-radius:var(--radius);
  margin-top:14px; text-align:center; font-weight:500;
}
.form-error {
  display:none; background:#f8d7da; border:1px solid #f5c6cb;
  color:#721c24; padding:14px 18px; border-radius:var(--radius);
  margin-top:14px; text-align:center; font-weight:500;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-section { background:var(--white); }
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center; }

.about-img-wrap {
  position:relative; border-radius:var(--radius-lg);
  overflow:visible; /* allow badge overflow */
}
.about-img-placeholder {
  width:100%; aspect-ratio:4/3;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  border-radius:var(--radius-lg);
  display:flex; align-items:center; justify-content:center; font-size:5rem;
  box-shadow:var(--shadow-lg);
}
.about-badge {
  position:absolute; bottom:-20px; right:-20px;
  width:110px; height:110px;
  background:var(--accent); border-radius:50%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  box-shadow:var(--shadow-lg);
}
.ab-value { font-family:'Roboto Condensed',sans-serif; font-size:1.9rem; font-weight:700; color:var(--primary-dark); line-height:1; }
.ab-label { font-size:.6rem; color:var(--primary); text-align:center; text-transform:uppercase; letter-spacing:.5px; }

.about-text h2 { margin-bottom:18px; }
.about-text p { color:var(--text-light); line-height:1.75; }

.about-advantages {
  display:grid; grid-template-columns:1fr 1fr;
  gap:14px; margin:26px 0;
}
.about-adv {
  display:flex; gap:12px; align-items:flex-start;
}
.about-adv-icon {
  width:34px; height:34px; flex-shrink:0;
  background:rgba(240,165,0,.12); border-radius:8px;
  display:flex; align-items:center; justify-content:center; font-size:.95rem;
}
.about-adv p { font-size:.88rem; font-weight:500; color:var(--text); margin:0; line-height:1.4; }

/* How we work */
.how-we-work { background:var(--bg); }
.steps-grid {
  display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:0; position:relative;
}
.steps-grid::after {
  content:''; position:absolute; top:35px; left:10%; right:10%; height:2px;
  background:linear-gradient(90deg,var(--accent),var(--primary)); opacity:.25;
}
.step-card { text-align:center; padding:0 16px; position:relative; }
.step-number {
  width:70px; height:70px; background:var(--white);
  border:3px solid var(--accent); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px;
  font-family:'Roboto Condensed',sans-serif; font-size:1.5rem; font-weight:700;
  color:var(--primary); box-shadow:var(--shadow); position:relative; z-index:1;
}
.step-card h4 { font-size:.95rem; margin-bottom:10px; }
.step-card p { font-size:.84rem; color:var(--text-light); line-height:1.5; margin:0; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background:var(--primary-dark); color:rgba(255,255,255,.65); padding:60px 0 28px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1.4fr; gap:36px; margin-bottom:40px; }

.footer-logo-name { font-family:'Roboto Condensed',sans-serif; font-size:1.3rem; font-weight:700; color:var(--white); letter-spacing:1px; }
.footer-logo-name span { color:var(--accent); }
.footer-logo-tag  { font-size:.6rem; color:rgba(255,255,255,.35); text-transform:uppercase; letter-spacing:2px; margin-top:4px; }
.footer-about p   { font-size:.88rem; line-height:1.65; color:rgba(255,255,255,.55); margin-top:14px; }

.footer-col h4 { color:var(--white); font-size:.82rem; text-transform:uppercase; letter-spacing:1px; margin-bottom:18px; padding-bottom:10px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-links { display:flex; flex-direction:column; gap:9px; }
.footer-links a { color:rgba(255,255,255,.55); font-size:.88rem; }
.footer-links a:hover { color:var(--accent); padding-left:4px; }

.footer-contact-item { display:flex; gap:12px; align-items:flex-start; margin-bottom:14px; }
.footer-contact-item span:first-child { font-size:1rem; flex-shrink:0; margin-top:2px; }
.footer-contact-item a, .footer-contact-item p { font-size:.88rem; color:rgba(255,255,255,.65); margin:0; line-height:1.55; }
.footer-contact-item a:hover { color:var(--accent); }

.footer-bottom {
  padding-top:26px; border-top:1px solid rgba(255,255,255,.1);
  display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
}
.footer-bottom p { font-size:.82rem; color:rgba(255,255,255,.35); margin:0; }
.footer-privacy-link { font-size:.82rem; color:rgba(255,255,255,.35); text-decoration:underline; text-underline-offset:3px; transition:color .2s; }
.footer-privacy-link:hover { color:var(--accent); }

/* Back to top */
.back-to-top {
  position:fixed; bottom:28px; right:28px;
  width:46px; height:46px; background:var(--accent); color:var(--primary-dark);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; cursor:pointer; border:none;
  opacity:0; visibility:hidden; transition:var(--transition);
  box-shadow:var(--shadow); z-index:100;
}
.back-to-top.visible { opacity:1; visibility:visible; }
.back-to-top:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity:0; transform:translateY(28px); }
  to   { opacity:1; transform:translateY(0); }
}
.anim { opacity:0; }
.anim.visible { animation:fadeInUp .6s ease forwards; }
.anim:nth-child(2).visible { animation-delay:.1s; }
.anim:nth-child(3).visible { animation-delay:.2s; }
.anim:nth-child(4).visible { animation-delay:.3s; }
.anim:nth-child(5).visible { animation-delay:.4s; }
.anim:nth-child(6).visible { animation-delay:.5s; }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align:center; }
.text-accent  { color:var(--accent); }
.mt-8 { margin-top:8px; }
.mb-0 { margin-bottom:0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px) {
  .footer-grid { grid-template-columns:1fr 1fr; }
  .about-grid  { gap:40px; }
}

@media (max-width:768px) {
  :root { --header-h:60px; --topbar-h:32px; }
  section { padding:56px 0; }

  .topbar-tagline { display:none; }
  .topbar-contacts { gap:12px; }

  .hero { padding: calc(var(--topbar-h) + var(--header-h) + 24px) 0 0; min-height:auto; }
  .hero-inner { grid-template-columns:1fr; gap:24px; }
  .hero-form-card { max-width:100%; }
  .hero-stats { grid-template-columns:repeat(4,1fr); display:grid; padding:16px 12px; border-radius:0; margin-top:0; }
  .hero-stat-sep { display:none; }
  .hero-stat-item { text-align:center; padding:8px 0; }
  .hero-stat-value { font-size:1.5rem; }
  .hero-stat-label { font-size:.65rem; }

  /* Mobile nav */
  .nav {
    position:fixed; top:calc(var(--topbar-h) + var(--header-h)); left:0; right:0;
    background:var(--primary-dark);
    flex-direction:column; align-items:stretch;
    padding:16px 20px 24px; gap:2px;
    transform:translateX(-100%); transition:var(--transition);
    box-shadow:var(--shadow-lg);
  }
  .nav.open { transform:translateX(0); }
  .nav-link { padding:12px 16px; font-size:.95rem; }
  .nav-cta  { margin-top:6px; padding:14px; text-align:center; }
  .burger   { display:flex; }

  .hero-stats { padding:16px; gap:0; }
  .hero-stat-value { font-size:1.6rem; }
  .hero-stat-sep { height:30px; }
  .hero-buttons { flex-direction:column; }

  .about-grid      { grid-template-columns:1fr; }
  .about-img-wrap  { max-width:460px; margin:0 auto; }
  .about-advantages { grid-template-columns:1fr; }
  .about-badge     { width:90px; height:90px; bottom:-15px; right:-10px; }
  .ab-value        { font-size:1.5rem; }

  .contacts-grid { grid-template-columns:1fr; gap:36px; }
  .form-row      { grid-template-columns:1fr; }

  .footer-grid   { grid-template-columns:1fr; gap:28px; }
  .footer-bottom { flex-direction:column; text-align:center; }

  .steps-grid::after { display:none; }
  .contact-form-wrap { padding:26px 18px; }
}

/* ============================================================
   PRELOADER
   ============================================================ */
#preloader {
  position: fixed; inset: 0; z-index: 99999;
  display: flex; align-items: center; justify-content: center;
  background-color: #191919;
  background-image:
    repeating-linear-gradient(-45deg, transparent 0, transparent 24px, rgba(255,255,255,.018) 24px, rgba(255,255,255,.018) 25px),
    repeating-linear-gradient( 45deg, transparent 0, transparent 24px, rgba(255,255,255,.018) 24px, rgba(255,255,255,.018) 25px);
  pointer-events: all;
  transition: opacity .55s ease, visibility .55s ease;
}
#preloader.pl-exit {
  opacity: 0;
  visibility: hidden;
}

/* Logo container — enter animation */
.pl-logo {
  text-align: center;
  animation: plLogoIn .7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Logo container — exit: zoom to background */
#preloader.pl-exit .pl-logo {
  animation: plLogoOut .52s ease forwards;
}

@keyframes plLogoIn {
  from { opacity: 0; transform: scale(.7) translateY(18px); filter: blur(6px); }
  to   { opacity: 1; transform: scale(1) translateY(0);     filter: blur(0);   }
}
@keyframes plLogoOut {
  from { opacity: 1; transform: scale(1);   filter: blur(0);   }
  to   { opacity: 0; transform: scale(2.2); filter: blur(8px); }
}

.pl-name {
  font-family: 'Roboto Condensed', sans-serif;
  font-size: 3rem; font-weight: 700;
  color: #ffffff; letter-spacing: 5px; text-transform: uppercase; line-height: 1;
}
.pl-name span { color: var(--accent); }

.pl-tag {
  font-size: .62rem; color: rgba(255,255,255,.28);
  text-transform: uppercase; letter-spacing: 4px; margin-top: 10px;
}

.pl-line {
  width: 0; height: 2px;
  background: var(--accent);
  margin: 16px auto 0; border-radius: 1px;
  animation: plLine .45s .55s ease forwards;
}
@keyframes plLine {
  from { width: 0;    opacity: 0; }
  to   { width: 56px; opacity: 1; }
}

@media (max-width:480px) {
  .portfolio-grid   { grid-template-columns:1fr; }
  .services-full-grid { grid-template-columns:1fr; }
  .hero-stats { display:grid; grid-template-columns:1fr 1fr; gap:0; }
  .hero-stat-sep { display:none; }
  .section-header { margin-bottom:36px; }
  .services-grid  { grid-template-columns:1fr 1fr; }
  .features-grid  { grid-template-columns:1fr; }
}