/* =========================================================
   Trade Nutrient — International Trading Landing Page
   Corporate palette: brand blue (#0048FF) + ink + white
   ========================================================= */

:root{
  --blue-950:#020a2e;
  --blue-900:#031042;
  --blue-800:#051a63;
  --blue-700:#062a8f;
  --blue-600:#0048FF;
  --blue-500:#2864ff;
  --blue-400:#5a86ff;
  --blue-100:#e8eeff;
  --accent-600:#00c2a8;
  --accent-500:#12d6ba;
  --accent-100:#e2fbf6;
  --cream:#f5f7fb;
  --white:#ffffff;
  --ink-900:#0b1330;
  --ink-700:#3a4363;
  --ink-500:#63698a;
  --border:#e2e6f2;
  --shadow-soft: 0 10px 30px rgba(5,26,99,.10);
  --shadow-strong: 0 20px 50px rgba(5,26,99,.22);
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --font-head:'Poppins', sans-serif;
  --font-body:'Inter', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--cream);
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-head);margin:0;color:var(--blue-950);}
.container{
  width:100%;
  max-width:1220px;
  margin:0 auto;
  padding:0 24px;
}

/* -------- reveal animation -------- */
[data-reveal]{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .8s ease, transform .8s ease;
}
[data-reveal].revealed{
  opacity:1;
  transform:translateY(0);
}

/* -------- buttons -------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 28px;
  border-radius:50px;
  font-weight:600;
  font-size:15px;
  border:2px solid transparent;
  cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color:var(--white);
  box-shadow:0 10px 24px rgba(0,72,255,.35);
}
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 30px rgba(0,72,255,.45);}
.btn-accent{
  background:linear-gradient(135deg, var(--accent-500), var(--accent-600));
  color:var(--blue-950);
  box-shadow:0 10px 24px rgba(18,214,186,.35);
}
.btn-accent:hover{ transform:translateY(-3px); box-shadow:0 16px 30px rgba(18,214,186,.45);}
.btn-outline{
  border-color:var(--white);
  color:var(--white);
  background:transparent;
}
.btn-outline:hover{ background:var(--white); color:var(--blue-700);}
.btn-ghost{
  border-color:rgba(255,255,255,.5);
  color:var(--white);
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.18);}
.btn-full{width:100%;}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  width:100%;
}
.header-topbar{
  background:var(--blue-950);
  color:rgba(255,255,255,.85);
  font-size:13px;
  max-height:40px;
  overflow:hidden;
  transition:max-height .25s ease;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:28px;
  padding:8px 24px;
}
.topbar-item{display:flex;align-items:center;gap:8px;}
.topbar-item i{color:var(--accent-500);}
.topbar-item a:hover{color:var(--accent-500);}
.topbar-langs{margin-right:auto;font-weight:500;}

.header-main{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:padding .25s ease;
  box-shadow:0 2px 12px rgba(5,26,99,.05);
}
.site-header.scrolled .header-topbar{
  max-height:0;
  overflow:hidden;
  padding:0;
}
.header-main-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:10px 24px;
}

.brand{display:flex;align-items:center;}
.brand-logo{height:44px;width:auto;display:block;}

.main-nav ul{display:flex;gap:8px;}
.main-nav a{
  display:block;
  padding:10px 16px;
  border-radius:50px;
  font-weight:600;
  font-size:15px;
  color:var(--ink-700);
  transition:all .2s ease;
  position:relative;
}
.main-nav a:hover{color:var(--blue-600);background:var(--blue-100);}

.header-actions{display:flex;align-items:center;gap:14px;}
.header-btn{padding:11px 22px;font-size:14px;}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  background:var(--blue-100);
  border:none;
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  margin:0 auto;
  background:var(--blue-700);
  transition:all .25s ease;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* =========================================================
   HERO (interactive trade-route network)
   ========================================================= */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--blue-950);
}
.hero-image{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:.32;
  filter:saturate(1.1) contrast(1.05);
  transform:scale(1.05);
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 15% 20%, rgba(0,72,255,.55), transparent 55%),
    linear-gradient(160deg, rgba(2,10,46,.94) 10%, rgba(5,26,99,.86) 55%, rgba(2,10,46,.95) 100%);
}

/* -------- Trade route network (right side, hover-reactive) -------- */
.hero-network{
  position:absolute;
  top:0;
  right:0;
  width:min(52vw, 640px);
  height:100%;
  z-index:2;
  pointer-events:none;
}
.network-svg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}
.route-line{
  fill:none;
  stroke:rgba(90,134,255,.35);
  stroke-width:1.6;
  stroke-dasharray:6 6;
  transition:stroke .3s ease, stroke-width .3s ease, opacity .3s ease;
}
.route-line.active{
  stroke:var(--accent-500);
  stroke-width:2.4;
  opacity:1;
}
.flow-dot{
  fill:var(--accent-500);
  filter:drop-shadow(0 0 4px rgba(18,214,186,.9));
}
.hub-dot{
  fill:var(--accent-500);
}
.hub-pulse{
  fill:none;
  stroke:var(--accent-500);
  stroke-width:2;
}

.network-node{
  position:absolute;
  transform:translate(-50%,-50%);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  pointer-events:auto;
  cursor:pointer;
}
.node-icon{
  width:52px;
  height:52px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1.5px solid rgba(90,134,255,.4);
  color:var(--white);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  backdrop-filter:blur(6px);
  transition:all .3s ease;
}
.network-node:hover .node-icon,
.network-node.active .node-icon{
  background:linear-gradient(135deg, var(--accent-500), var(--blue-500));
  border-color:transparent;
  color:var(--white);
  box-shadow:0 0 24px rgba(18,214,186,.55);
  transform:scale(1.12);
}
.node-label{
  font-size:12px;
  font-weight:700;
  letter-spacing:.4px;
  color:rgba(255,255,255,.75);
  background:rgba(2,10,46,.55);
  padding:3px 10px;
  border-radius:50px;
  white-space:nowrap;
  transition:color .3s ease;
}
.network-node:hover .node-label,
.network-node.active .node-label{
  color:var(--white);
}
.hub-node{
  gap:10px;
}
.hub-node .node-icon{
  width:64px;
  height:64px;
  font-size:24px;
  background:linear-gradient(135deg, var(--blue-500), var(--blue-700));
  border-color:transparent;
  box-shadow:0 0 30px rgba(0,72,255,.55);
}
.hub-node .node-label{
  background:transparent;
  font-size:13px;
  color:var(--white);
}

.hero-content{
  position:relative;
  z-index:3;
  padding:60px 24px 40px;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--accent-500);
  background:rgba(18,214,186,.12);
  border:1px solid rgba(18,214,186,.35);
  padding:8px 18px;
  border-radius:50px;
  font-weight:600;
  font-size:13px;
  letter-spacing:.4px;
  margin-bottom:22px;
}
.hero-title{
  color:var(--white);
  font-size:clamp(34px, 4.6vw, 56px);
  font-weight:800;
  line-height:1.15;
  max-width:640px;
  margin-bottom:22px;
}
.hero-title span{
  background:linear-gradient(90deg, var(--accent-500), var(--blue-400));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-subtitle{
  color:rgba(255,255,255,.82);
  font-size:18px;
  max-width:560px;
  margin-bottom:34px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px;}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px 22px;
  max-width:680px;
  border-top:1px solid rgba(255,255,255,.15);
  padding-top:26px;
}
.stat{
  display:flex;
  flex-direction:column;
  padding-left:14px;
  border-left:2px solid rgba(18,214,186,.4);
  min-width:0;
}
.stat-value{
  display:flex;
  align-items:baseline;
  gap:2px;
  white-space:nowrap;
}
.stat-number{
  font-family:var(--font-head);
  font-size:clamp(24px, 2.4vw, 34px);
  font-weight:800;
  color:var(--accent-500);
  line-height:1;
  letter-spacing:-.5px;
}
.stat-plus{
  font-family:var(--font-head);
  font-size:clamp(14px, 1.4vw, 18px);
  font-weight:700;
  color:var(--accent-500);
  line-height:1;
}
.stat-label{
  color:rgba(255,255,255,.7);
  font-size:11.5px;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.5px;
  margin-top:8px;
  white-space:nowrap;
}

.scroll-down{
  position:absolute;
  bottom:18px;
  left:78%;
  transform:translateX(-50%);
  z-index:3;
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(2,10,46,.35);
  color:var(--white);
  display:flex;
  align-items:center;
  justify-content:center;
  animation:bounce 2s infinite;
}
@keyframes bounce{
  0%,100%{transform:translate(-50%,0);}
  50%{transform:translate(-50%,8px);}
}

/* =========================================================
   SECTION HEAD / SHARED
   ========================================================= */
.section-eyebrow{
  display:inline-block;
  color:var(--blue-600);
  font-weight:700;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-size:13px;
  margin-bottom:12px;
}
.section-title{
  font-size:clamp(28px, 3.6vw, 42px);
  font-weight:800;
  line-height:1.2;
  margin-bottom:18px;
}
.section-title span{color:var(--blue-600);}
.section-desc{color:var(--ink-500);font-size:16px;max-width:640px;}
.section-head{max-width:760px;margin-bottom:50px;}
.section-head.light .section-eyebrow{color:var(--accent-500);}
.section-head.light .section-title{color:var(--white);}
.section-head.light .section-title span{color:var(--accent-500);}

/* =========================================================
   ABOUT
   ========================================================= */
.about{padding:110px 0;background:var(--white);}
.about-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:64px;
  align-items:stretch;
}
.about-media{position:relative;height:100%;}
.about-media img{
  width:100%;
  height:100%;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-strong);
  object-fit:cover;
  display:block;
}
.about-badge{
  position:absolute;
  bottom:-24px;
  right:-24px;
  background:var(--white);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-strong);
  padding:18px 20px;
  display:flex;
  align-items:center;
  gap:14px;
  max-width:260px;
}
.about-badge i{
  font-size:26px;
  color:var(--blue-600);
  background:var(--blue-100);
  width:52px;
  height:52px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.about-badge strong{display:block;font-size:14px;color:var(--blue-950);}
.about-badge span{font-size:12px;color:var(--ink-500);}

.about-lead{font-size:17px;color:var(--ink-700);margin-bottom:26px;}
.about-points{display:flex;flex-direction:column;gap:12px;margin-bottom:36px;}
.about-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--ink-700);font-weight:500;}
.about-points i{
  color:var(--blue-600);
  background:var(--blue-100);
  width:24px;height:24px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  flex:0 0 auto;
  margin-top:2px;
}

.geo-block{
  background:var(--cream);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:26px;
}
.geo-block h3{
  font-size:16px;
  display:flex;align-items:center;gap:10px;
  margin-bottom:18px;
  color:var(--blue-800);
}
.geo-block h3 i{color:var(--blue-600);}
.geo-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:12px;
}
.geo-item{
  display:flex;
  align-items:center;
  gap:10px;
  background:var(--white);
  border-radius:50px;
  padding:10px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--ink-700);
  border:1px solid var(--border);
}
.geo-item i{color:var(--blue-600);}

/* =========================================================
   PRODUCTS
   ========================================================= */
.products{padding:110px 0;background:var(--cream);}
.product-tabs{
  display:flex;
  gap:14px;
  margin-bottom:34px;
  flex-wrap:wrap;
}
.tab-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 24px;
  border-radius:50px;
  border:2px solid var(--border);
  background:var(--white);
  color:var(--ink-700);
  font-weight:600;
  font-size:14px;
  cursor:pointer;
  transition:all .25s ease;
}
.tab-btn:hover{border-color:var(--blue-500);color:var(--blue-700);}
.tab-btn.active{
  background:linear-gradient(135deg, var(--blue-600), var(--blue-800));
  border-color:transparent;
  color:var(--white);
  box-shadow:var(--shadow-soft);
}

.product-category[hidden]{display:none;}
.category-desc{
  color:var(--ink-500);
  font-size:15px;
  max-width:680px;
  margin:0 0 34px;
}

.product-grid{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:32px 24px;
}
.product-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  gap:14px;
}
.product-photo{
  width:150px;
  height:150px;
  border-radius:50%;
  overflow:hidden;
  border:3px solid var(--blue-500);
  box-shadow:0 8px 24px rgba(0,72,255,.18);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  background:var(--white);
}
.product-card:hover .product-photo{
  transform:translateY(-6px) scale(1.04);
  box-shadow:0 14px 32px rgba(0,72,255,.3);
  border-color:var(--accent-500);
}
.product-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.product-card:hover .product-photo img{transform:scale(1.1);}
.product-divider{
  display:block;
  width:36px;
  height:2px;
  background:var(--blue-500);
  border-radius:2px;
}
.product-card h3{
  font-size:14.5px;
  font-weight:700;
  color:var(--blue-950);
  line-height:1.35;
  margin:0;
}

/* =========================================================
   ADVANTAGES
   ========================================================= */
.advantages{
  padding:110px 0;
  background:
    radial-gradient(circle at 85% 15%, rgba(18,214,186,.12), transparent 45%),
    linear-gradient(180deg, var(--blue-950), var(--blue-900) 60%, var(--blue-950));
}
.advantages-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:26px;
}
.advantage-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);
  padding:34px 28px;
  transition:all .3s ease;
}
.advantage-card:hover{
  background:rgba(255,255,255,.09);
  transform:translateY(-6px);
  border-color:rgba(18,214,186,.4);
}
.advantage-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:58px;
  height:58px;
  border-radius:16px;
  background:linear-gradient(135deg, var(--accent-500), var(--blue-600));
  color:var(--white);
  font-size:24px;
  margin-bottom:20px;
}
.advantage-card h3{color:var(--white);font-size:19px;margin-bottom:10px;}
.advantage-card p{color:rgba(255,255,255,.65);font-size:14.5px;margin:0;}

/* =========================================================
   CONTACT
   ========================================================= */
.contact{padding:110px 0;background:var(--white);}
.contact-grid{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:60px;
}
.contact-list{display:flex;flex-direction:column;gap:20px;margin:32px 0;}
.contact-list li{display:flex;align-items:flex-start;gap:16px;}
.contact-list i{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--blue-100);
  color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
  flex:0 0 auto;
}
.contact-list strong{display:block;font-size:13px;color:var(--ink-500);font-weight:600;}
.contact-list a, .contact-list span{font-size:15.5px;font-weight:600;color:var(--blue-950);}
.contact-list a:hover{color:var(--blue-600);}

.social-links{display:flex;gap:12px;margin-bottom:30px;}
.social-links a{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--blue-950);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  transition:all .25s ease;
}
.social-links a:hover{background:var(--accent-500);color:var(--blue-950);transform:translateY(-3px);}

.map-embed{
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  border:1px solid var(--border);
}
.map-embed iframe{width:100%;height:220px;border:0;display:block;}

.quote-form{
  background:var(--cream);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow-soft);
}
.quote-form h3{
  display:flex;align-items:center;gap:12px;
  font-size:22px;
  margin-bottom:26px;
  color:var(--blue-950);
}
.quote-form h3 i{color:var(--blue-600);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.form-field{margin-bottom:18px;display:flex;flex-direction:column;gap:8px;}
.form-row .form-field{margin-bottom:0;}
.form-field label{font-size:13px;font-weight:700;color:var(--ink-700);}
.form-field input, .form-field select, .form-field textarea{
  padding:13px 16px;
  border-radius:var(--radius-sm);
  border:1.5px solid var(--border);
  font-family:var(--font-body);
  font-size:14.5px;
  background:var(--white);
  color:var(--ink-900);
  transition:border-color .2s ease, box-shadow .2s ease;
  resize:vertical;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:none;
  border-color:var(--blue-500);
  box-shadow:0 0 0 4px rgba(0,72,255,.14);
}
.form-note{font-size:12.5px;color:var(--ink-500);margin-top:14px;display:flex;gap:8px;align-items:flex-start;}
.form-status{margin-top:14px;font-size:14px;font-weight:600;min-height:20px;}
.form-status.success{color:var(--blue-600);}
.form-status.error{color:#c0392b;}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--blue-950);color:rgba(255,255,255,.7);padding-top:60px;}
.footer-inner{
  display:flex;
  flex-wrap:wrap;
  gap:30px;
  align-items:center;
  justify-content:space-between;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:16px;}
.footer-logo{height:36px;width:auto;filter:brightness(0) invert(1);}
.footer-brand p{margin:0;font-size:13px;color:rgba(255,255,255,.55);max-width:280px;}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap;}
.footer-nav a{font-size:14px;font-weight:600;color:rgba(255,255,255,.75);}
.footer-nav a:hover{color:var(--accent-500);}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.footer-social a:hover{background:var(--accent-500);color:var(--blue-950);}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45);}

/* =========================================================
   BACK TO TOP
   ========================================================= */
.back-to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:48px;
  height:48px;
  border-radius:50%;
  border:none;
  background:linear-gradient(135deg, var(--accent-500), var(--blue-600));
  color:var(--white);
  font-size:18px;
  cursor:pointer;
  box-shadow:var(--shadow-strong);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:900;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:all .3s ease;
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{transform:translateY(-4px);}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1200px){
  .product-grid{grid-template-columns:repeat(4, 1fr);}
}

@media (max-width: 1024px){
  .about-grid{grid-template-columns:1fr;}
  .about-media{max-width:420px;height:420px;margin:0 auto;}
  .contact-grid{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:repeat(3, 1fr);}
  .advantages-grid{grid-template-columns:repeat(2, 1fr);}
  .hero-stats{grid-template-columns:repeat(2, 1fr);row-gap:26px;}
  .hero-network{width:44vw;opacity:.85;}
  .hero-title{max-width:100%;}
}

@media (max-width: 860px){
  .topbar-langs{display:none;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    height:100vh;
    width:78%;
    max-width:320px;
    background:var(--blue-950);
    padding:100px 30px 30px;
    transform:translateX(100%);
    transition:transform .35s ease;
    z-index:1001;
    box-shadow:-10px 0 40px rgba(0,0,0,.35);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;gap:6px;}
  .main-nav a{padding:14px 18px;font-size:16px;color:rgba(255,255,255,.85);}
  .main-nav a:hover{color:var(--white);background:rgba(255,255,255,.08);}
  .nav-toggle{display:flex;}
  .header-btn{display:none;}
  .form-row{grid-template-columns:1fr;}
  .geo-grid{grid-template-columns:repeat(2, 1fr);}
  .product-grid{grid-template-columns:repeat(2, 1fr);}
  .hero-network{display:none;}
  .scroll-down{left:50%;}
}

@media (max-width: 640px){
  .container{padding:0 18px;}
  .topbar-inner{justify-content:center;gap:18px;flex-wrap:wrap;}
  .header-main-inner{padding:10px 18px;}
  .brand-logo{height:36px;}
  .hero{min-height:auto;padding-top:20px;}
  .hero-content{padding:50px 18px 60px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-stats{grid-template-columns:repeat(2, 1fr);}
  .product-grid{grid-template-columns:repeat(2, 1fr);gap:24px 16px;}
  .product-photo{width:120px;height:120px;}
  .advantages-grid{grid-template-columns:1fr;}
  .quote-form{padding:26px;}
  .about-badge{position:static;margin-top:-40px;max-width:none;}
  .product-tabs{gap:8px;}
  .tab-btn{padding:10px 16px;font-size:12.5px;}
}