/* Variant 4 — Soft Sky / Cloud Light */
:root {
  --sky-50: #f3f8fd;
  --sky-100: #e2eef9;
  --sky-200: #c9def2;
  --sky-300: #9bc0e3;
  --sky-500: #5a93c8;
  --sky-700: #2f6aa3;
  --sky-900: #1c4670;
  --cloud: #ffffff;
  --bg: #fafcfe;
  --ink: #1d2a3c;
  --ink-2: #4a5a72;
  --ink-3: #8497ad;
  --line: #e3ecf4;
  --line-2: #cfdce9;
  --mint: #b6dfd0;
  --peach: #f4c9a9;
  --radius: 14px;
  --radius-lg: 22px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 600; margin: 0; letter-spacing: -0.02em; color: var(--ink); }
h1 { font-size: clamp(40px, 5vw, 68px); line-height: 1.05; font-weight: 700; }
h2 { font-size: clamp(28px, 3vw, 42px); line-height: 1.15; font-weight: 600; }
h3 { font-size: 20px; }
p { margin: 0 0 14px; color: var(--ink-2); }
a { color: inherit; text-decoration: none; cursor: pointer; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* Header */
.v4-header {
  position: sticky; top: 16px; z-index: 50;
  margin: 16px 24px 0;
}
.v4-header-inner {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 12px 10px 22px;
  display: flex; align-items: center; gap: 28px;
  box-shadow: 0 12px 40px -20px rgba(28,70,112,0.15);
  max-width: 1280px; margin: 0 auto;
}
.v4-logo { display: flex; align-items: center; gap: 12px; }
.v4-logo-mark-svg {
  width: 42px; height: 42px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(28,70,112,0.18));
}
.v4-logo-text {
  display: flex; flex-direction: column;
  line-height: 1.1;
  color: var(--ink);
  font-size: 16px;
  letter-spacing: -0.01em;
}
.v4-logo-name {
  font-weight: 700;
  font-size: 17px;
  color: var(--sky-900);
  letter-spacing: -0.015em;
}
.v4-logo-dash {
  margin: 0 2px;
  color: var(--sky-500);
  font-weight: 400;
}
.v4-logo-text small {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  margin-top: 3px;
  max-width: 280px;
}
.v4-nav { display: flex; gap: 4px; margin: 0 auto; }
.v4-nav a {
  padding: 8px 16px; font-size: 14px; font-weight: 500;
  color: var(--ink-2); border-radius: 100px;
  transition: all .15s;
}
.v4-nav a:hover { color: var(--ink); background: var(--sky-50); }
.v4-nav a.active { color: var(--sky-900); background: var(--sky-100); }
.v4-nav-right { display: flex; gap: 10px; align-items: center; }
.v4-lang { display: flex; gap: 2px; background: var(--sky-50); border-radius: 100px; padding: 3px; }
.v4-lang button {
  background: transparent; border: 0; padding: 6px 12px;
  font: inherit; font-size: 12px; font-weight: 600;
  color: var(--ink-3); cursor: pointer; border-radius: 100px;
}
.v4-lang button.active { background: #fff; color: var(--sky-900); box-shadow: 0 2px 8px -2px rgba(28,70,112,0.15); }

.btn4 {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; font: inherit; font-size: 14px; font-weight: 600;
  border-radius: 100px; border: 1px solid transparent; cursor: pointer;
  transition: all .15s;
}
.btn4-primary { background: var(--sky-900); color: #fff; }
.btn4-primary:hover { background: var(--sky-700); transform: translateY(-1px); }
.btn4-ghost { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn4-ghost:hover { border-color: var(--sky-700); color: var(--sky-900); }
.btn4-soft { background: var(--sky-100); color: var(--sky-900); }
.btn4-soft:hover { background: var(--sky-200); }

/* Hero */
.v4-hero { padding: 60px 0 80px; position: relative; overflow: hidden; }
.v4-hero::before {
  content: ''; position: absolute; top: -200px; right: -100px;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(155,192,227,0.35) 0%, transparent 60%);
  pointer-events: none;
}
.v4-hero::after {
  content: ''; position: absolute; bottom: -300px; left: -100px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(182,223,208,0.4) 0%, transparent 60%);
  pointer-events: none;
}
.v4-hero .container { position: relative; z-index: 1; }
.v4-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: 12px; font-weight: 600;
  color: var(--sky-700); letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.v4-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: #4ab896; box-shadow: 0 0 8px rgba(74,184,150,0.6); }
.v4-hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center; }
.v4-hero h1 { margin-bottom: 22px; }
.v4-hero h1 span.accent {
  background: linear-gradient(135deg, var(--sky-700), var(--sky-300));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.v4-hero p.sub { font-size: 18px; color: var(--ink-2); max-width: 540px; margin-bottom: 32px; }
.v4-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.v4-hero-visual {
  aspect-ratio: 1/1.1;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--sky-100) 0%, #fff 60%, var(--sky-50) 100%);
  border: 1px solid var(--line);
  position: relative; overflow: hidden;
  box-shadow: 0 30px 80px -40px rgba(28,70,112,0.25);
}

.v4-hero-slideshow {
  position: relative;
  aspect-ratio: 1/1.05;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sky-100);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -40px rgba(28,70,112,0.3);
}
.v4-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  pointer-events: none;
}
.v4-slide.is-active { opacity: 1; }
.v4-slide::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(15,30,50,0.55) 100%);
}
.v4-slide-caption {
  position: absolute; top: 18px; left: 22px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
  padding: 6px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 600;
  color: var(--sky-900);
  letter-spacing: 0.02em;
}
.v4-slide-dots {
  position: absolute; bottom: 92px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 6px; z-index: 3;
}
.v4-slide-dots button {
  width: 22px; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.45);
  border: 0; padding: 0; cursor: pointer;
  transition: all .25s;
}
.v4-slide-dots button.is-active { background: #fff; width: 28px; }
.v4-slide-dots button:hover { background: rgba(255,255,255,0.7); }
.v4-hero-visual::before {
  content: ''; position: absolute; top: 10%; left: 10%; right: 10%; bottom: 10%;
  border-radius: 50%;
  background: conic-gradient(from 200deg, rgba(155,192,227,0.5), rgba(182,223,208,0.4), rgba(244,201,169,0.3), rgba(155,192,227,0.5));
  filter: blur(30px);
}
.v4-hero-visual::after {
  content: ''; position: absolute; top: 25%; left: 25%; right: 25%; bottom: 25%;
  background: rgba(255,255,255,0.6); backdrop-filter: blur(20px);
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.8);
}
.v4-hero-card {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(20px);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex; gap: 16px; align-items: center;
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 10px 30px -15px rgba(28,70,112,0.2);
  z-index: 2;
}
.v4-hero-card .icon-circle {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--sky-300), var(--sky-700));
  flex-shrink: 0;
}
.v4-hero-card .t { font-weight: 600; color: var(--ink); font-size: 14px; }
.v4-hero-card .s { font-size: 12px; color: var(--ink-3); }

/* Stats */
.v4-stats { padding: 32px 0 64px; }
.v4-stats .grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.v4-stat {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px;
}
.v4-stat .v {
  font-size: 36px; font-weight: 700; color: var(--sky-900);
  letter-spacing: -0.02em; line-height: 1; margin-bottom: 6px;
}
.v4-stat .l { font-size: 13px; color: var(--ink-2); }

/* Section */
.v4-section { padding: 80px 0; }
.v4-section-head { margin-bottom: 48px; max-width: 720px; }
.v4-section-head .eyebrow {
  display: inline-block;
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--sky-700); text-transform: uppercase;
  margin-bottom: 14px;
}
.v4-section-head h2 { margin-bottom: 12px; }
.v4-section-head p { font-size: 17px; color: var(--ink-2); }

/* Families */
.v4-families { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.v4-family {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px; cursor: pointer; transition: all .25s;
  display: flex; flex-direction: column; gap: 14px;
}
.v4-family:hover { border-color: var(--sky-300); transform: translateY(-3px); box-shadow: 0 30px 60px -30px rgba(28,70,112,0.15); }
.v4-family-viz {
  height: 140px; border-radius: var(--radius);
  position: relative; overflow: hidden;
}
.v4-family-viz.cpp { background: linear-gradient(135deg, var(--sky-100) 0%, var(--sky-200) 60%, var(--mint) 130%); }
.v4-family-viz.bopp { background: linear-gradient(135deg, var(--sky-200) 0%, #fff 50%, var(--peach) 130%); }
.v4-family-viz.pet { background: linear-gradient(135deg, #f3e6f6 0%, var(--sky-100) 60%, #d4dcef 130%); }
.v4-family-viz.opp { background: linear-gradient(135deg, var(--mint) 0%, #fff 50%, var(--sky-200) 130%); }
.v4-family-viz::after {
  content: attr(data-code);
  position: absolute; bottom: 14px; right: 14px;
  font-weight: 700; color: var(--sky-900); font-size: 22px; letter-spacing: -0.02em;
  background: rgba(255,255,255,0.7); padding: 3px 10px; border-radius: 100px;
  backdrop-filter: blur(8px);
}
.v4-family h3 { font-size: 19px; margin-bottom: 2px; line-height: 1.25; }
.v4-family .lead { font-size: 14px; color: var(--ink-2); margin-bottom: 4px; line-height: 1.45; }
.v4-family-grades { display: flex; flex-wrap: wrap; gap: 5px; }
.v4-grade-pill {
  font-size: 11px; font-weight: 600;
  padding: 3px 8px;
  background: var(--sky-50); color: var(--sky-900);
  border-radius: 100px;
}

/* Advantages */
.v4-advantages { padding: 80px 0; }
.v4-adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.v4-adv {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px;
}
.v4-adv-num {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--sky-100); color: var(--sky-900);
  font-weight: 700; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.v4-adv h3 { font-size: 17px; margin-bottom: 8px; }
.v4-adv p { font-size: 14px; margin: 0; }

/* Catalog head */
.v4-cat-head { padding: 48px 0; }
.v4-cat-head h1 { font-size: clamp(38px, 4.5vw, 56px); margin-bottom: 14px; }
.v4-cat-head p { font-size: 18px; max-width: 680px; }
.v4-cat-body { padding: 24px 0 100px; }
.v4-filters {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-radius: 100px;
  padding: 8px; margin-bottom: 32px;
}
.v4-chip {
  font: inherit; font-size: 13px; font-weight: 500;
  padding: 8px 16px; border-radius: 100px;
  border: 0; background: transparent; cursor: pointer;
  color: var(--ink-2);
}
.v4-chip:hover { background: var(--sky-50); color: var(--ink); }
.v4-chip.active { background: var(--sky-900); color: #fff; }
.v4-search {
  margin-left: auto; padding: 8px 16px;
  border: 0; background: var(--sky-50); border-radius: 100px;
  font-family: inherit; font-size: 13px;
  min-width: 220px; color: var(--ink);
}
.v4-search:focus { outline: 2px solid var(--sky-300); }
.v4-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.v4-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; cursor: pointer;
  transition: all .2s;
}
.v4-card:hover { transform: translateY(-3px); box-shadow: 0 25px 50px -25px rgba(28,70,112,0.18); border-color: var(--sky-200); }
.v4-card-viz { aspect-ratio: 16/10; position: relative; }
.v4-card-badges { position: absolute; top: 12px; left: 12px; right: 12px; display: flex; justify-content: space-between; gap: 8px; }
.v4-card-fam {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(6px);
  color: var(--sky-900); padding: 4px 10px; border-radius: 100px;
}
.v4-card-stock {
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 100px;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(6px);
}
.v4-card-stock.high { color: #2a7d4f; }
.v4-card-stock.medium { color: #b07a25; }
.v4-card-stock.low { color: var(--ink-3); }
.v4-card-body { padding: 20px 22px 24px; }
.v4-card .code { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; color: var(--sky-700); margin-bottom: 6px; }
.v4-card h3 { font-size: 17px; margin-bottom: 6px; }
.v4-card .tag { font-size: 14px; color: var(--ink-2); margin-bottom: 14px; }
.v4-card .meta { font-size: 12px; color: var(--ink-3); display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--line); }

/* Card visuals */
.v4-viz-GCPP { background: linear-gradient(135deg, var(--sky-100), var(--mint)); }
.v4-viz-MCPP { background: linear-gradient(135deg, #d4dde9, #f4f6f9); }
.v4-viz-RCPP { background: linear-gradient(135deg, #f6e3cf, #fbf1e1); }
.v4-viz-AFCPP { background: radial-gradient(circle at 35% 35%, #fff, var(--sky-100)); }
.v4-viz-TCPP { background: linear-gradient(135deg, #fbe1c2, #f4c9a9); }
.v4-viz-WCPP { background: linear-gradient(135deg, #fafcfe, #e3ecf4); }
.v4-viz-ASCPP { background: linear-gradient(135deg, var(--sky-100), #fff); }
.v4-viz-GBOPP { background: linear-gradient(135deg, var(--sky-200), var(--sky-100)); }
.v4-viz-MBOPP { background: linear-gradient(135deg, #d6dee9, #eef1f5); }
.v4-viz-PBOPP { background: linear-gradient(135deg, #f5e6e0, #fdf2ec); }
.v4-viz-MTBOPP { background: linear-gradient(135deg, #e0e3e8, #f3f5f7); }
.v4-viz-GLBOPP { background: linear-gradient(135deg, #fff, var(--sky-100), #fff); }
.v4-viz-HSBOPP { background: linear-gradient(135deg, var(--sky-100), #d8e6f1); }
.v4-viz-LBOPP { background: linear-gradient(135deg, var(--sky-100), var(--sky-200)); }
.v4-viz-TLBOPP { background: linear-gradient(135deg, #ecf2f8, var(--sky-100)); }

/* New films — extended catalog */
.v4-viz-PLCPP { background: linear-gradient(135deg, #e8f0fa, #fafcfe); }
.v4-viz-EVCPP { background: linear-gradient(135deg, var(--mint), var(--sky-100)); }
.v4-viz-CXCPP { background: repeating-linear-gradient(180deg, var(--sky-100) 0 12px, var(--sky-50) 12px 24px); }
.v4-viz-WBOPP { background: linear-gradient(135deg, #ffffff, var(--sky-50) 70%, var(--sky-100)); }
.v4-viz-CVBOPP { background: radial-gradient(circle at 25% 30%, #fff, var(--sky-50) 50%, var(--sky-200)); }
.v4-viz-HBBOPP { background: linear-gradient(135deg, var(--sky-100), #eef5fb, var(--sky-200)); }
.v4-viz-SHBOPP { background: linear-gradient(135deg, var(--peach), #fdeede, var(--sky-100)); }
.v4-viz-ASBOPP { background: linear-gradient(135deg, #d8e7f3, var(--sky-100)); }
.v4-viz-SPBOPP { background: linear-gradient(135deg, #f4ead8, #fbf5e8); }
.v4-viz-TPBOPP { background: linear-gradient(135deg, var(--sky-50), var(--sky-200)); }

/* OPP family */
.v4-viz-TBOPP { background: linear-gradient(135deg, var(--sky-100), #fff 50%, var(--peach)); }
.v4-viz-MOPP { background: repeating-linear-gradient(135deg, var(--mint) 0 10px, var(--sky-50) 10px 22px); }
.v4-viz-CASTPP { background: linear-gradient(135deg, var(--sky-50), var(--mint)); }

/* PET family */
.v4-viz-GPET { background: linear-gradient(135deg, #ecdef0, var(--sky-100)); }
.v4-viz-MPET { background: linear-gradient(135deg, #c6cbd9, #e7eaf2 50%, #a4adc4); }
.v4-viz-MTPET { background: linear-gradient(135deg, #d8d1de, #efe9f1); }
.v4-viz-WPET { background: linear-gradient(135deg, #fff, #efe8f3 60%, #d4c8da); }
.v4-viz-HBPET { background: linear-gradient(135deg, #dde0ee, #f0f2f8, #c5cce0); }
.v4-viz-HSPET { background: linear-gradient(135deg, #e6daea, var(--sky-100)); }
.v4-viz-TWPET { background: repeating-linear-gradient(90deg, #d4a9cc 0 16px, #b5779f 16px 32px); }
.v4-viz-SHPET { background: linear-gradient(135deg, var(--peach), #fbe1c8 60%, #ecd7c1); }
.v4-viz-CPET { background: linear-gradient(135deg, #f5e8de, #e4cdb6); }

/* Product */
.v4-product { padding: 40px 0 100px; }
.v4-back { font-size: 13px; color: var(--ink-2); margin-bottom: 24px; display: inline-block; }
.v4-back:hover { color: var(--sky-700); }
.v4-prod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.v4-prod-viz {
  aspect-ratio: 4/5; border-radius: var(--radius-lg); position: relative;
  border: 1px solid var(--line);
}
.v4-prod-viz .badge {
  position: absolute; top: 18px; left: 18px;
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  padding: 6px 14px; border-radius: 100px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; color: var(--sky-900);
}
.v4-prod h1 { margin-bottom: 14px; }
.v4-prod-code {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em; color: var(--sky-700);
  margin-bottom: 14px;
}
.v4-prod-tag { font-size: 19px; color: var(--ink-2); margin-bottom: 32px; }
.v4-prod-facts { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 24px; }
.v4-fact { display: grid; grid-template-columns: 160px 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.v4-fact:last-child { border-bottom: 0; }
.v4-fact .k { color: var(--ink-3); font-weight: 600; }
.v4-tag-pill {
  display: inline-block; font-size: 12px; font-weight: 500;
  padding: 4px 10px; background: var(--sky-50); color: var(--sky-900);
  border-radius: 100px; margin: 0 4px 4px 0;
}

/* About */
.v4-about { padding: 80px 0; }
.v4-about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; }
.v4-about-lead { font-size: 22px; line-height: 1.4; color: var(--ink); }

/* Logistics */
.v4-logistics { padding: 80px 0; background: linear-gradient(180deg, transparent, var(--sky-50)); }
.v4-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.v4-step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px;
}
.v4-step .num {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--sky-300), var(--sky-700));
  color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.v4-step h3 { font-size: 16px; margin-bottom: 8px; }
.v4-step p { font-size: 14px; margin: 0; }

/* Contacts */
.v4-contacts { padding: 80px 0; }
.v4-ctx-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.v4-ctx-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.v4-ctx-line { display: grid; grid-template-columns: 110px 1fr; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.v4-ctx-line:last-child { border-bottom: 0; }
.v4-ctx-line .k { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.v4-form {
  background: linear-gradient(160deg, var(--sky-50), #fff);
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px;
}
.v4-field { margin-bottom: 16px; }
.v4-field label { display: block; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.v4-field input, .v4-field textarea, .v4-field select {
  width: 100%; padding: 12px 14px;
  background: #fff; border: 1px solid var(--line-2);
  border-radius: 12px; font: inherit; font-size: 14px;
  color: var(--ink);
}
.v4-field input:focus, .v4-field textarea:focus, .v4-field select:focus { outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(155,192,227,0.25); }
.v4-form .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.v4-sent { padding: 12px 16px; background: rgba(74,184,150,0.12); color: #2a7d4f; border-radius: 12px; font-size: 14px; margin-bottom: 14px; }
.v4-send-error { padding: 12px 16px; background: rgba(229,62,62,0.08); color: #c53030; border-radius: 12px; font-size: 14px; margin-bottom: 14px; }
.v4-field-error { display: block; font-size: 11px; color: #e53e3e; margin-top: 4px; }
.v4-input-error { border-color: #e53e3e !important; }
.v4-input-error:focus { box-shadow: 0 0 0 3px rgba(229,62,62,0.18) !important; }

/* Production */
.v4-production { padding: 48px 0 96px; }
.v4-prod-cap {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 64px;
}
.v4-prod-cap-cell {
  background: linear-gradient(160deg, var(--sky-50), #fff);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px;
}
.v4-prod-cap-cell .v {
  font-size: 40px; font-weight: 700; color: var(--sky-900);
  letter-spacing: -0.02em; line-height: 1; margin-bottom: 8px;
}
.v4-prod-cap-cell .v small { font-size: 14px; font-weight: 600; color: var(--ink-3); letter-spacing: 0; }
.v4-prod-cap-cell .l { font-size: 13px; color: var(--ink-2); }

.v4-prod-block { margin-bottom: 64px; }
.v4-prod-block-head { margin-bottom: 28px; }
.v4-prod-block-head h3 { font-size: 26px; margin-bottom: 8px; }
.v4-prod-block-head p { font-size: 16px; color: var(--ink-2); max-width: 680px; }

.v4-prod-services {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.v4-prod-service {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px;
  display: flex; flex-direction: column; gap: 8px;
}
.v4-prod-svc-num {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--sky-700); background: var(--sky-50);
  padding: 4px 10px; border-radius: 100px;
  margin-bottom: 12px; align-self: start;
  letter-spacing: 0.04em;
}
.v4-prod-service h4 { font-size: 17px; font-weight: 600; color: var(--ink); margin: 0 0 4px; }
.v4-prod-service p { font-size: 14px; color: var(--ink-2); margin: 0 0 12px; }
.v4-prod-svc-stat {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 2px;
}
.v4-prod-svc-stat strong { font-size: 22px; font-weight: 700; color: var(--sky-900); letter-spacing: -0.01em; }
.v4-prod-svc-stat span { font-size: 12px; color: var(--ink-3); }

.v4-prod-steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.v4-prod-step {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px;
}
.v4-prod-step .num {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--sky-300), var(--sky-700));
  color: #fff; font-weight: 700; font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.v4-prod-step h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.v4-prod-step p { font-size: 14px; color: var(--ink-2); margin: 0; }

.v4-prod-partners {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.v4-prod-partner {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.v4-prod-partner-country {
  font-size: 18px; font-weight: 700; color: var(--ink);
  margin-bottom: 6px; letter-spacing: -0.01em;
}
.v4-prod-partner-spec { font-size: 13px; color: var(--ink-2); }

.v4-prod-cta {
  background: var(--sky-900); color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  display: flex; align-items: center; gap: 24px;
  margin-top: 16px;
}
.v4-prod-cta h3 { color: #fff; font-size: 24px; margin: 0 0 6px; }
.v4-prod-cta p { color: rgba(255,255,255,0.75); margin: 0; max-width: 560px; }
.v4-prod-cta button { margin-left: auto; background: #fff; color: var(--sky-900); flex-shrink: 0; }
.v4-prod-cta button:hover { background: var(--sky-100); color: var(--sky-900); }

/* Careers */
.v4-careers { padding: 60px 0 96px; }
.v4-culture {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  margin-bottom: 64px;
}
.v4-culture-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px;
}
.v4-culture-num {
  display: inline-block; font-size: 13px; font-weight: 700;
  color: var(--sky-700); background: var(--sky-50);
  padding: 4px 10px; border-radius: 100px;
  margin-bottom: 16px; letter-spacing: 0.04em;
}
.v4-culture-card h3 { font-size: 17px; margin-bottom: 8px; }
.v4-culture-card p { font-size: 14px; margin: 0; color: var(--ink-2); }

.v4-jobs-head {
  display: flex; align-items: end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-bottom: 24px;
  padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
.v4-jobs-head h3 { font-size: 22px; }
.v4-jobs-head h3 span { color: var(--ink-3); font-weight: 500; }
.v4-jobs-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.v4-jobs-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 80px; }
.v4-job-row {
  display: grid; grid-template-columns: 1.7fr 1fr auto;
  gap: 24px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px 28px; cursor: pointer;
  transition: all .2s;
}
.v4-job-row:hover { border-color: var(--sky-300); transform: translateY(-2px); box-shadow: 0 20px 40px -25px rgba(28,70,112,0.15); }
.v4-job-row-dept {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--sky-700); background: var(--sky-50);
  padding: 3px 10px; border-radius: 100px;
  margin-bottom: 10px;
}
.v4-job-row h4 { font-size: 18px; font-weight: 600; margin: 0 0 6px; color: var(--ink); }
.v4-job-row p { font-size: 14px; color: var(--ink-2); margin: 0; }
.v4-job-row-meta {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; color: var(--ink-2);
}
.v4-job-row-meta span:first-child::before { content: '📍 '; opacity: 0.6; }
.v4-job-row-meta span:last-child::before { content: '₴ '; opacity: 0.6; font-weight: 700; }

.v4-apply {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px;
  align-items: start; scroll-margin-top: 100px;
}
.v4-apply-info h3 { font-size: 28px; margin-bottom: 14px; }
.v4-apply-info p { font-size: 16px; color: var(--ink-2); }

/* Job detail */
.v4-job { padding: 32px 0 96px; }
.v4-job-head {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 36px;
  margin-bottom: 24px;
}
.v4-job-dept {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--sky-700); background: var(--sky-50);
  padding: 4px 12px; border-radius: 100px;
  margin-bottom: 14px;
}
.v4-job-head h1 { font-size: clamp(28px, 3.5vw, 44px); margin-bottom: 14px; }
.v4-job-summary { font-size: 17px; color: var(--ink-2); margin-bottom: 24px; max-width: 720px; }
.v4-job-meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 24px;
  padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.v4-job-meta > div { display: flex; flex-direction: column; gap: 4px; }
.v4-job-meta span { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.v4-job-meta strong { font-size: 15px; color: var(--ink); font-weight: 600; }
.v4-job-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.v4-job-block {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px;
}
.v4-job-block h3 { font-size: 17px; margin-bottom: 14px; }
.v4-job-block ul { padding-left: 18px; margin: 0; }
.v4-job-block li { font-size: 15px; color: var(--ink-2); margin-bottom: 8px; line-height: 1.5; }

/* Footer */
.v4-footer { background: var(--ink); color: #b9c9dd; padding: 56px 0 28px; border-radius: 32px 32px 0 0; margin-top: 40px; }
.v4-footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 32px; }
.v4-footer h4 { color: #fff; font-size: 13px; letter-spacing: 0.04em; margin-bottom: 14px; font-weight: 600; }
.v4-footer ul { list-style: none; padding: 0; margin: 0; }
.v4-footer ul li { padding: 4px 0; font-size: 14px; }
.v4-footer ul li a:hover { color: #fff; }
.v4-footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 12px; color: #8497ad; display: flex; justify-content: space-between; }

/* ====== Page photo gallery ====== */
.v4-page-gallery { padding: 48px 0 0; }
.v4-page-gallery h3 { font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.v4-gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.v4-gallery-item { border-radius: 12px; overflow: hidden; position: relative; aspect-ratio: 4/3; background: #e8ecf1; }
.v4-gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.v4-gallery-item:hover img { transform: scale(1.04); }
.v4-gallery-caption { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(transparent, rgba(0,0,0,0.6)); color: #fff; font-size: 13px; padding: 24px 14px 12px; }

@media (max-width: 900px) {
  .v4-hero-grid, .v4-families, .v4-about-grid, .v4-ctx-grid, .v4-prod-grid { grid-template-columns: 1fr; }
  .v4-gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .v4-stats .grid, .v4-adv-grid, .v4-steps { grid-template-columns: repeat(2, 1fr); }
  .v4-grid { grid-template-columns: repeat(2, 1fr); }
  .v4-nav { display: none; }
  .v4-footer-grid { grid-template-columns: 1fr 1fr; }
  .v4-culture { grid-template-columns: repeat(2, 1fr); }
  .v4-job-row { grid-template-columns: 1fr; gap: 12px; }
  .v4-job-meta { grid-template-columns: repeat(2, 1fr); }
  .v4-job-cols, .v4-apply { grid-template-columns: 1fr; }
  .v4-prod-cap, .v4-prod-services, .v4-prod-steps, .v4-prod-partners { grid-template-columns: repeat(2, 1fr); }
  .v4-prod-cta { flex-direction: column; align-items: stretch; }
  .v4-prod-cta button { margin-left: 0; }
}