/* ================================
   CSS CUSTOM PROPERTIES
   ================================ */
:root {
  --bg:          #07070e;
  --bg2:         #0d0d1b;
  --bg3:         #111120;
  --card:        #0f0f1e;
  --card-hover:  #141428;
  --accent:      #f59e0b;
  --accent2:     #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.22);
  --blue:        #60a5fa;
  --blue-dim:    rgba(96, 165, 250, 0.15);
  --green:       #34d399;
  --green-dim:   rgba(52, 211, 153, 0.15);
  --purple:      #a78bfa;
  --purple-dim:  rgba(167, 139, 250, 0.15);
  --orange:      #fb923c;
  --orange-dim:  rgba(251, 146, 60, 0.15);
  --teal:        #2dd4bf;
  --teal-dim:    rgba(45, 212, 191, 0.15);
  --text:        #f1f5f9;
  --text-sec:    #94a3b8;
  --text-muted:  #475569;
  --border:      rgba(255, 255, 255, 0.06);
  --border-acc:  rgba(245, 158, 11, 0.18);
  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   32px;
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --t:           0.25s;
  --shadow:      0 4px 32px rgba(0,0,0,0.5);
  --shadow-acc:  0 8px 48px rgba(245,158,11,0.25);
}

/* ================================
   RESET & BASE
   ================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: var(--accent) var(--bg2); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   BUTTONS
   ================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 50px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #000;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-acc);
  background: linear-gradient(135deg, var(--accent2), var(--accent));
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ================================
   NAVIGATION
   ================================ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.header.scrolled {
  background: rgba(7, 7, 14, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
}

.nav__logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-shrink: 0;
}
.logo-mark {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.7rem;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}
.logo-sub {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--text-sec);
  letter-spacing: 3px;
}

.nav__links {
  display: flex;
  gap: 0.2rem;
  margin-left: auto;
}
.nav__link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-sec);
  transition: all var(--t) var(--ease);
}
.nav__link:hover { color: var(--text); background: rgba(255,255,255,0.06); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav__phone {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-sec);
  transition: color var(--t);
}
.nav__phone:hover { color: var(--accent); }
.nav__phone svg { color: var(--accent); flex-shrink: 0; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--t) var(--ease);
}
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ================================
   HERO
   ================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero__orb--1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(245,158,11,0.13) 0%, transparent 70%);
  top: -200px; right: -150px;
  animation: drift 12s ease-in-out infinite;
}
.hero__orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(96,165,250,0.08) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  animation: drift 16s ease-in-out infinite reverse;
}
.hero__orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  top: 40%; left: 30%;
  animation: drift 20s ease-in-out infinite;
  animation-delay: -7s;
}

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(30px, -40px) scale(1.08); }
  66%  { transform: translate(-25px, 25px) scale(0.93); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 90px;
  padding-bottom: 60px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 50px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--accent);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
}

.hero__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--text);
}
.hero__accent {
  background: linear-gradient(135deg, var(--accent), #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__desc {
  font-size: 1.1rem;
  color: var(--text-sec);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.hero__stat {
  text-align: center;
  padding: 0 32px;
}
.hero__stat:first-child { padding-left: 0; }
.hero__stat-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--accent);
  display: inline;
}
.hero__stat-plus {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--accent);
}
.hero__stat p {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 4px;
}
.hero__stat-div {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-muted);
  animation: bounce 2s ease-in-out infinite;
  z-index: 1;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%  { transform: translateX(-50%) translateY(8px); }
}

/* ================================
   SECTION BASE
   ================================ */
.section { padding: 96px 0; }
.section--dark { background: var(--bg2); }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section__badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 50px;
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.22);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text);
  max-width: 600px;
  margin: 0 auto 16px;
}
.section__desc {
  font-size: 1rem;
  color: var(--text-sec);
  line-height: 1.7;
}

/* ================================
   SCROLL REVEAL
   ================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   FEATURES
   ================================ */
.features {
  padding: 0 0 80px;
  margin-top: -20px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--t) var(--ease);
}
.feature-card:hover {
  border-color: var(--border-acc);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.feature-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--text-sec);
  line-height: 1.65;
}

/* ================================
   PRODUCTS
   ================================ */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-cat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}
.product-cat::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, transparent 60%, rgba(245,158,11,0.03) 100%);
  pointer-events: none;
}
.product-cat:hover {
  border-color: var(--border-acc);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.product-cat__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.product-cat__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.product-cat__icon--blue   { background: var(--blue-dim);   border-color: rgba(96,165,250,0.2);   color: var(--blue);   }
.product-cat__icon--green  { background: var(--green-dim);  border-color: rgba(52,211,153,0.2);   color: var(--green);  }
.product-cat__icon--purple { background: var(--purple-dim); border-color: rgba(167,139,250,0.2);  color: var(--purple); }
.product-cat__icon--orange { background: var(--orange-dim); border-color: rgba(251,146,60,0.2);   color: var(--orange); }
.product-cat__icon--teal   { background: var(--teal-dim);   border-color: rgba(45,212,191,0.2);   color: var(--teal);   }

.product-cat__head h3 {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.product-cat__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.product-cat__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-sec);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.product-cat__list li:last-child { border-bottom: none; }

.product-tag {
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 50px;
  background: rgba(245,158,11,0.12);
  color: var(--accent);
  letter-spacing: 0.3px;
}
.product-tag--semi    { background: rgba(96,165,250,0.12);  color: var(--blue);   }
.product-tag--mineral { background: rgba(52,211,153,0.12);  color: var(--green);  }
.product-tag--teal    { background: var(--teal-dim);        color: var(--teal);   }

.product-cat__footer {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  padding-top: 6px;
}

/* ================================
   ADDITIVE SECTION
   ================================ */
.additive-section {
  background: linear-gradient(135deg, var(--bg2) 0%, #0d0d20 100%);
  position: relative;
  overflow: hidden;
}
.additive-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.additive-wrap {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}
.additive-desc {
  font-size: 1.05rem;
  color: var(--text-sec);
  line-height: 1.8;
  margin: 20px 0 28px;
  max-width: 520px;
}

.additive-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.additive-spec {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  transition: border-color var(--t);
}
.additive-spec:hover { border-color: var(--border-acc); }
.additive-spec__val {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 6px;
}
.additive-spec__label {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.4;
}

.additive-variants {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.additive-variant {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-sec);
  transition: all var(--t);
}
.additive-variant:hover { border-color: var(--border-acc); color: var(--text); }
.additive-variant svg { color: var(--accent); flex-shrink: 0; }

/* Molecule animation */
.additive-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.additive-molecule {
  position: relative;
  width: 340px; height: 340px;
}
.mol-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: spin 20s linear infinite;
}
.mol-ring--1 {
  width: 280px; height: 280px;
  border-color: rgba(245,158,11,0.2);
  animation-duration: 25s;
}
.mol-ring--2 {
  width: 200px; height: 200px;
  border-color: rgba(96,165,250,0.15);
  animation-direction: reverse;
  animation-duration: 18s;
}
.mol-ring--3 {
  width: 120px; height: 120px;
  border-color: rgba(245,158,11,0.12);
  animation-duration: 12s;
}
@keyframes spin { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }

.mol-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}
.mol-center span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--accent);
}
.mol-center small {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.mol-dot {
  position: absolute;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  top: 50%; left: 50%;
  box-shadow: 0 0 12px var(--accent);
}
.mol-dot--1 { transform: translate(-50%, -50%) translate(140px, 0);    animation: orbit1 25s linear infinite; }
.mol-dot--2 { transform: translate(-50%, -50%) translate(-140px, 0);   animation: orbit1 25s linear infinite 12.5s; }
.mol-dot--3 { width: 7px; height: 7px; background: var(--blue); box-shadow: 0 0 10px var(--blue); transform: translate(-50%, -50%) translate(100px, 0); animation: orbit2 18s linear infinite reverse; }
.mol-dot--4 { width: 7px; height: 7px; background: var(--blue); box-shadow: 0 0 10px var(--blue); transform: translate(-50%, -50%) translate(-100px, 0); animation: orbit2 18s linear infinite reverse 9s; }
.mol-dot--5 { width: 6px; height: 6px; background: var(--purple); box-shadow: 0 0 8px var(--purple); transform: translate(-50%, -50%) translate(60px, 0); animation: orbit3 12s linear infinite; }
.mol-dot--6 { width: 6px; height: 6px; background: var(--purple); box-shadow: 0 0 8px var(--purple); transform: translate(-50%, -50%) translate(-60px, 0); animation: orbit3 12s linear infinite 6s; }

@keyframes orbit1 {
  from { transform: translate(-50%, -50%) rotate(0deg)   translate(140px, 0) rotate(0deg);   }
  to   { transform: translate(-50%, -50%) rotate(360deg) translate(140px, 0) rotate(-360deg); }
}
@keyframes orbit2 {
  from { transform: translate(-50%, -50%) rotate(0deg)   translate(100px, 0) rotate(0deg);   }
  to   { transform: translate(-50%, -50%) rotate(360deg) translate(100px, 0) rotate(-360deg); }
}
@keyframes orbit3 {
  from { transform: translate(-50%, -50%) rotate(0deg)   translate(60px, 0) rotate(0deg);   }
  to   { transform: translate(-50%, -50%) rotate(360deg) translate(60px, 0) rotate(-360deg); }
}

/* ================================
   WHERE TO BUY
   ================================ */
.marketplaces {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 640px;
  margin: 0 auto 56px;
}
.marketplace-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--t) var(--ease);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.marketplace-card:hover {
  border-color: var(--border-acc);
  transform: translateY(-4px);
  box-shadow: var(--shadow-acc);
}
.marketplace-card__logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  margin-bottom: 4px;
}
.ozon-logo { color: #005bff; }
.wb-logo   { color: #cb11ab; }
.marketplace-card p {
  font-size: 0.88rem;
  color: var(--text-sec);
}
.marketplace-card__link {
  font-size: 0.83rem;
  color: var(--accent);
  font-weight: 600;
}

.dealers-title {
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 24px;
}

.dealers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.dealer-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  transition: all var(--t) var(--ease);
}
.dealer-card:hover {
  border-color: var(--border-acc);
  transform: translateY(-2px);
}
.dealer-card--kz {
  border-color: rgba(96,165,250,0.15);
}
.dealer-region {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 6px;
}
.dealer-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.dealer-phone {
  font-size: 0.82rem;
  color: var(--text-sec);
  transition: color var(--t);
}
.dealer-phone:hover { color: var(--accent); }

/* ================================
   DOCUMENTS
   ================================ */
.docs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--t) var(--ease);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.doc-card:hover {
  border-color: var(--border-acc);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.doc-card--cta {
  background: linear-gradient(135deg, rgba(245,158,11,0.08) 0%, rgba(245,158,11,0.03) 100%);
  border-color: rgba(245,158,11,0.2);
  align-items: center;
  text-align: center;
  justify-content: center;
}
.doc-card--cta svg { color: var(--accent); margin-bottom: 8px; }

.doc-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 4px;
}
.doc-card__icon--blue   { background: var(--blue-dim);   border-color: rgba(96,165,250,0.2);   color: var(--blue);   }
.doc-card__icon--green  { background: var(--green-dim);  border-color: rgba(52,211,153,0.2);   color: var(--green);  }
.doc-card__icon--purple { background: var(--purple-dim); border-color: rgba(167,139,250,0.2);  color: var(--purple); }

.doc-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.doc-card p {
  font-size: 0.875rem;
  color: var(--text-sec);
  line-height: 1.55;
  flex: 1;
}
.doc-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: auto;
  transition: gap var(--t);
}
.doc-card__link:hover { gap: 10px; }

/* ================================
   CONTACTS
   ================================ */
.contacts__wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contacts__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-item__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-item__label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}
.contact-item__val {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  transition: color var(--t);
}
a.contact-item__val:hover { color: var(--accent); }

.company-details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}
.company-detail {
  font-size: 0.875rem;
  color: var(--text-sec);
}
.company-detail span:first-child {
  font-weight: 700;
  color: var(--text);
}

/* Form */
.contacts__form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
}
.form__title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text);
  margin-bottom: 6px;
}
.form__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.form__group {
  margin-bottom: 18px;
}
.form__label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.form__input {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.form__input::placeholder { color: var(--text-muted); }
.form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.1);
}
.form__textarea {
  resize: vertical;
  min-height: 100px;
}
.form__note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}
.form__note a { color: var(--accent); }
.form__note a:hover { text-decoration: underline; }

/* ================================
   FOOTER
   ================================ */
.footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}
.footer__brand-desc {
  font-size: 0.875rem;
  color: var(--text-sec);
  line-height: 1.65;
  margin: 16px 0 18px;
  max-width: 280px;
}
.footer__phone,
.footer__email {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-sec);
  margin-bottom: 6px;
  transition: color var(--t);
}
.footer__phone:hover, .footer__email:hover { color: var(--accent); }

.footer__col h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col ul a {
  font-size: 0.875rem;
  color: var(--text-sec);
  transition: color var(--t);
}
.footer__col ul a:hover { color: var(--accent); }

.footer__marketplaces {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__mp-badge {
  display: block;
  padding: 10px 18px;
  border-radius: 8px;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  transition: opacity var(--t), transform var(--t);
}
.footer__mp-badge:hover { opacity: 0.85; transform: translateY(-1px); }
.footer__mp-badge.ozon { background: rgba(0,91,255,0.15); color: #4d8eff; border: 1px solid rgba(0,91,255,0.2); }
.footer__mp-badge.wb   { background: rgba(203,17,171,0.12); color: #e066d0; border: 1px solid rgba(203,17,171,0.2); }

.footer__bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__bottom p { font-size: 0.82rem; color: var(--text-muted); }
.footer__legal { font-size: 0.76rem; line-height: 1.6; }

/* ================================
   MODAL
   ================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal.open { display: flex; }

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.modal__box {
  position: relative;
  z-index: 1;
  background: var(--card);
  border: 1px solid var(--border-acc);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  max-width: 360px;
  width: 90%;
  animation: popIn 0.3s var(--ease);
}
@keyframes popIn {
  from { transform: scale(0.9); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.modal__icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(52,211,153,0.12);
  border: 1px solid rgba(52,211,153,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin: 0 auto 20px;
}
.modal__box h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  margin-bottom: 10px;
}
.modal__box p {
  font-size: 0.9rem;
  color: var(--text-sec);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ================================
   PRODUCT CARD WATERMARK & CTA
   ================================ */
.product-cat {
  overflow: hidden;
}

.product-cat__watermark {
  position: absolute;
  bottom: -12px;
  right: -12px;
  color: var(--text);
  opacity: 0.04;
  pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
  line-height: 0;
}
.product-cat:hover .product-cat__watermark {
  opacity: 0.09;
  transform: scale(1.08) rotate(-6deg);
}

.product-cat__cta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  cursor: pointer;
}
.product-cat:hover .product-cat__cta {
  opacity: 1;
  transform: translateY(0);
}
.product-cat__cta svg {
  transition: transform 0.2s var(--ease);
}
.product-cat:hover .product-cat__cta svg {
  transform: translateX(4px);
}

/* hero zero-rub stat */
.hero__stat-zero {
  font-size: 1.75rem !important;
  letter-spacing: -1px;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 1100px) {
  .features__grid    { grid-template-columns: repeat(2, 1fr); }
  .products__grid    { grid-template-columns: repeat(2, 1fr); }
  .dealers-grid      { grid-template-columns: repeat(3, 1fr); }
  .additive-wrap     { grid-template-columns: 1fr; gap: 48px; }
  .additive-visual   { display: none; }
  .additive-specs    { grid-template-columns: repeat(2, 1fr); }
  .footer__top       { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 800px) {
  .nav__links, .nav__phone, .nav__right .btn-primary { display: none; }
  .nav__right { gap: 8px; }
  .nav__burger { display: flex; }

  .nav__links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(7,7,14,0.97);
    backdrop-filter: blur(20px);
    padding: 20px 24px 32px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }
  .nav__links.mobile-open .nav__link { font-size: 1rem; padding: 12px 16px; }

  .hero__title { font-size: clamp(2.2rem, 9vw, 3rem); }
  .hero__desc  { font-size: 0.95rem; }
  .hero__stats { gap: 0; justify-content: center; flex-wrap: wrap; }
  .hero__stat  { padding: 0 20px; margin-bottom: 16px; }
  .hero__stat-div { display: none; }

  .features__grid { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .docs__grid     { grid-template-columns: 1fr; }
  .dealers-grid   { grid-template-columns: repeat(2, 1fr); }
  .marketplaces   { grid-template-columns: 1fr; max-width: 360px; }
  .contacts__wrap { grid-template-columns: 1fr; gap: 32px; }
  .footer__top    { grid-template-columns: 1fr; gap: 32px; }
  .additive-specs { grid-template-columns: repeat(2, 1fr); }
  .additive-variants { grid-template-columns: 1fr; }
  .section        { padding: 64px 0; }
}

@media (max-width: 520px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .contacts__form { padding: 24px 20px; }
  .dealers-grid { grid-template-columns: 1fr; }
}