:root{
  --primary:#0f3d91;
  --primary-dark:#0b285f;
  --secondary:#16233f;
  --text:#172033;
  --muted:#5c6b84;
  --bg:#f6f8fc;
  --white:#ffffff;
  --line:#dbe4f0;
  --shadow:0 16px 38px rgba(15,23,42,0.08);
  --shadow-soft:0 8px 20px rgba(15,23,42,0.05);

  --hero-height-desktop:520px;
  --hero-height-tablet:340px;
  --hero-height-mobile:235px;

  --logo-width-desktop:205px;
  --logo-width-tablet:170px;
  --logo-width-mobile:140px;

  --header-height-desktop:82px;
  --header-height-tablet:72px;
  --header-height-mobile:62px;

  --header-padding-desktop:10px;
  --header-padding-tablet:8px;
  --header-padding-mobile:6px;

  --menu-font-desktop:14px;
  --menu-font-tablet:14px;
  --menu-font-mobile:13px;

  --menu-color:#1f2937;
  --menu-hover:#1d4ed8;

  --home-card-padding-desktop:32px;
  --home-card-padding-tablet:22px;
  --home-card-padding-mobile:18px;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(10,83,255,0.05), transparent 28%),
    radial-gradient(circle at bottom right, rgba(29,43,83,0.06), transparent 26%),
    var(--bg);
  color:var(--text);
  overflow-x:hidden;
}
body.menu-open{overflow:hidden;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
button,input,textarea,select{font:inherit;}
.container{width:min(1160px, calc(100% - 32px));margin:0 auto;}
.site-main{min-height:420px;}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background-repeat:no-repeat;
  background-position:center;
  background-size:cover;
  overflow:visible;
}
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg, rgba(255,255,255,0.36), rgba(255,255,255,0.16));
  pointer-events:none;
}
.site-header.has-header-image::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.16;
  pointer-events:none;
}
.header-surface{
  position:relative;
  z-index:2;
  padding:7px 0;
  overflow:visible;
}
.navbar{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:var(--header-height-desktop);
  padding-top:var(--header-padding-desktop);
  padding-bottom:var(--header-padding-desktop);
  padding-left:16px;
  padding-right:16px;
  border:1px solid rgba(255,255,255,0.76);
  background:rgba(255,255,255,0.94);
  backdrop-filter:blur(10px);
  border-radius:22px;
  box-shadow:
    0 16px 34px rgba(15,23,42,0.08),
    inset 0 1px 0 rgba(255,255,255,0.65);
  position:relative;
  overflow:visible;
}
.navbar.nav-default{justify-content:space-between;}
.navbar.nav-logo-center{justify-content:center;}
.navbar.nav-logo-center .desktop-menu{margin-left:20px;}
.navbar.nav-logo-center .header-right{margin-left:8px;}
.navbar.nav-logo-right{flex-direction:row-reverse;}
.navbar.nav-logo-right .desktop-menu{margin-left:0;margin-right:auto;}
.navbar.nav-logo-right .header-right{margin-right:8px;}

.logo{
  flex:0 0 auto;
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
}
.logo a{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  overflow:hidden;
  padding:2px 0;
}
.logo img{
  width:var(--logo-width-desktop);
  max-width:100%;
  height:auto;
  position:relative;
  z-index:2;
  transition:transform .35s ease, filter .35s ease;
}
.logo:hover img{transform:scale(1.015);}

.logo-shadow img{filter:drop-shadow(0 12px 22px rgba(0,0,0,0.22));}
.logo-glow img{animation:logoGlowPulse 2.4s ease-in-out infinite;}
.logo-neon img{animation:logoNeonPulse 1.8s ease-in-out infinite;}
.logo-shine a::after{
  content:"";
  position:absolute;
  top:-20%;
  left:-35%;
  width:35%;
  height:140%;
  background:linear-gradient(
    115deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.10) 20%,
    rgba(255,255,255,0.70) 48%,
    rgba(255,255,255,0.12) 72%,
    rgba(255,255,255,0) 100%
  );
  transform:skewX(-20deg) translateX(0);
  z-index:3;
  pointer-events:none;
  animation:logoShineSweep 3.2s ease-in-out infinite;
  mix-blend-mode:screen;
}
.logo-shine img{filter:drop-shadow(0 8px 18px rgba(10,83,255,0.18));}
.logo-shine:hover img{filter:drop-shadow(0 8px 18px rgba(10,83,255,0.18)) drop-shadow(0 0 12px rgba(255,255,255,0.35));}

@keyframes logoGlowPulse{
  0%,100%{
    filter:drop-shadow(0 0 0 rgba(10,83,255,0)) drop-shadow(0 0 10px rgba(10,83,255,0.18));
  }
  50%{
    filter:drop-shadow(0 0 12px rgba(10,83,255,0.35)) drop-shadow(0 0 24px rgba(10,83,255,0.22));
  }
}
@keyframes logoNeonPulse{
  0%,100%{
    filter:drop-shadow(0 0 6px rgba(255,255,255,0.45)) drop-shadow(0 0 14px rgba(10,83,255,0.24)) drop-shadow(0 0 24px rgba(10,83,255,0.12));
  }
  50%{
    filter:drop-shadow(0 0 10px rgba(255,255,255,0.72)) drop-shadow(0 0 24px rgba(10,83,255,0.38)) drop-shadow(0 0 38px rgba(10,83,255,0.18));
  }
}
@keyframes logoShineSweep{
  0%{transform:skewX(-20deg) translateX(-160%);opacity:0;}
  12%{opacity:1;}
  50%{transform:skewX(-20deg) translateX(260%);opacity:1;}
  62%{opacity:0;}
  100%{transform:skewX(-20deg) translateX(-160%);opacity:0;}
}

.desktop-menu{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  min-width:0;
}
.desktop-menu a{
  position:relative;
  font-size:var(--menu-font-desktop);
  font-weight:700;
  color:var(--menu-color);
  white-space:nowrap;
  transition:.25s;
  padding:10px 12px;
  border-radius:12px;
}
.desktop-menu a::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:5px;
  height:2px;
  border-radius:999px;
  background:linear-gradient(90deg, var(--primary), #3a73df);
  transform:scaleX(0);
  transform-origin:left;
  transition:.25s;
}
.desktop-menu a:hover{
  color:var(--menu-hover);
  background:rgba(15,61,145,0.06);
}
.desktop-menu a.active{
  color:var(--menu-hover);
  background:rgba(15,61,145,0.07);
}
.desktop-menu a:hover::after,
.desktop-menu a.active::after{transform:scaleX(1);}

.header-right{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  overflow:visible;
}

.lang-switch{position:relative;z-index:2005;}
.lang-btn{
  min-height:40px;
  padding:7px 12px;
  border:1px solid #d8e2ef;
  border-radius:12px;
  background:#ffffff;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:var(--text);
  box-shadow:var(--shadow-soft);
  transition:.25s;
}
.lang-btn:hover{
  border-color:#c3d5f5;
  background:#f9fbff;
}
.lang-code{font-size:14px;line-height:1;}
.lang-caret{font-size:11px;color:#667085;line-height:1;}
.lang-dropdown{
  position:absolute;
  top:calc(100% + 10px);
  right:0;
  min-width:170px;
  background:#fff;
  border-radius:14px;
  box-shadow:0 14px 35px rgba(0,0,0,0.14);
  display:none;
  flex-direction:column;
  overflow:hidden;
  z-index:3000;
}
.lang-switch.open .lang-dropdown{display:flex;}
.lang-dropdown a{
  padding:12px 15px;
  color:var(--text);
  font-size:14px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:10px;
}
.lang-dropdown a:hover{background:#f3f6fb;}
.lang-dropdown a.active{background:#edf3ff;color:var(--primary);}

.lang-flag{
  width:18px;
  height:18px;
  border-radius:50%;
  object-fit:cover;
  display:inline-block;
  flex:0 0 18px;
  border:1px solid rgba(15,23,42,0.08);
  box-shadow:0 1px 3px rgba(15,23,42,0.08);
}

.menu-toggle{
  width:42px;
  height:42px;
  border:none;
  border-radius:12px;
  background:#ffffff;
  font-size:24px;
  cursor:pointer;
  display:none;
  box-shadow:var(--shadow-soft);
}

.menu-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.42);
  opacity:0;
  pointer-events:none;
  transition:.25s;
  z-index:1000;
}
.menu-overlay.open{opacity:1;pointer-events:auto;}

.mobile-drawer{
  position:fixed;
  top:0;
  right:-320px;
  width:290px;
  max-width:85vw;
  height:100vh;
  background:#fff;
  box-shadow:-10px 0 30px rgba(0,0,0,0.18);
  padding:72px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:right .28s ease;
  z-index:1002;
  overflow-y:auto;
}
.mobile-drawer.open{right:0;}
.mobile-drawer-links{display:flex;flex-direction:column;gap:10px;}
.mobile-drawer-links a{
  padding:12px 14px;
  border-radius:12px;
  background:#f7f9fc;
  font-weight:700;
  color:var(--text);
}
.mobile-drawer-links a:hover,
.mobile-drawer-links a.active{color:var(--primary);background:#edf3ff;}
.menu-close{
  position:absolute;
  top:14px;
  right:14px;
  width:40px;
  height:40px;
  border:none;
  border-radius:10px;
  background:#f3f6fb;
  font-size:26px;
  cursor:pointer;
}
.mobile-lang-box{
  display:none;
  flex-direction:column;
  gap:8px;
  margin-bottom:10px;
  padding-bottom:12px;
  border-bottom:1px solid #eee;
}
.mobile-lang-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  border-radius:12px;
  background:#f7f9fc;
  color:var(--text);
  font-weight:700;
}
.mobile-lang-item.active{color:var(--primary);background:#edf3ff;}

/* HERO */
.hero-section{margin-top:6px;}
.hero-slider{
  position:relative;
  width:100%;
  height:var(--hero-height-desktop);
  overflow:hidden;
  border-radius:22px;
  box-shadow:0 18px 40px rgba(15,23,42,0.10);
}
.hero-slide{
  position:absolute;
  inset:0;
  opacity:0;
  transition:opacity .55s ease;
}
.hero-slide.active{opacity:1;z-index:2;}
.hero-image{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-slide::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(8,17,35,0.08) 0%, rgba(8,17,35,0.04) 42%, rgba(8,17,35,0.02) 100%);
}
.hero-arrow{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:42px;
  height:42px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,0.20);
  backdrop-filter:blur(8px);
  color:#fff;
  font-size:24px;
  cursor:pointer;
  z-index:5;
}
.hero-prev{left:14px;}
.hero-next{right:14px;}
.hero-dots{
  position:absolute;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  display:flex;
  gap:7px;
  z-index:5;
}
.hero-dot{
  width:8px;
  height:8px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,0.50);
  cursor:pointer;
}
.hero-dot.active{background:#fff;}

/* COMMON */
.page-section{padding:48px 0 58px;}
.section-head{text-align:center;margin-bottom:24px;}
.section-title{
  font-size:clamp(28px, 4vw, 42px);
  margin-bottom:10px;
  color:var(--secondary);
  line-height:1.12;
}
.section-head h1,.section-head h2{margin-bottom:10px;color:var(--secondary);}
.section-head p{
  max-width:760px;
  margin:0 auto;
  color:var(--muted);
  line-height:1.72;
  font-size:15px;
}
.page-card{
  background:#fff;
  border-radius:18px;
  padding:22px;
  box-shadow:var(--shadow);
  border:1px solid rgba(219,228,240,0.72);
}
.page-card-spacing{margin-bottom:18px;}
.page-card-title{
  font-size:22px;
  line-height:1.2;
  margin-bottom:14px;
  color:var(--secondary);
}
.html-content{line-height:1.78;color:#4e5b72;font-size:15px;}
.html-content h1,.html-content h2,.html-content h3,.html-content h4{
  color:#1d2b53;
  margin-bottom:12px;
  line-height:1.28;
}
.html-content p{margin-bottom:12px;}
.html-content li{margin-bottom:8px;}
.section-badge{
  display:inline-block;
  background:#edf3ff;
  color:var(--primary);
  font-size:12px;
  font-weight:800;
  letter-spacing:.5px;
  padding:7px 12px;
  border-radius:999px;
  margin-bottom:12px;
}

.btn-primary,
.btn-secondary,
.part-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  border-radius:11px;
  font-weight:700;
  transition:.25s;
  border:none;
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg, var(--primary), var(--primary-dark));
  color:#fff;
  padding:10px 16px;
  box-shadow:0 10px 22px rgba(15,61,145,0.16);
}
.btn-primary:hover{
  background:linear-gradient(135deg, var(--primary-dark), #081b42);
  transform:translateY(-1px);
}
.btn-secondary{
  background:#eef3fb;
  color:var(--text);
  padding:10px 16px;
  border:1px solid rgba(15,61,145,0.08);
}
.btn-secondary:hover{background:#e6eefb;}

.success-box,
.error-box{
  padding:14px 16px;
  border-radius:14px;
  font-size:14px;
  line-height:1.7;
  margin-bottom:16px;
}
.success-box{
  background:#ecfdf3;
  color:#0f6b3f;
  border:1px solid #b7efcf;
}
.error-box{
  background:#fef2f2;
  color:#b42318;
  border:1px solid #f7c7c7;
}

/* HOME */
.home-intro-section{padding:36px 0;}
.home-intro-card{
  background:linear-gradient(135deg, rgba(255,255,255,0.98), rgba(245,248,253,0.98));
  border:1px solid rgba(220,229,241,0.95);
  border-radius:22px;
  padding:calc(var(--home-card-padding-desktop) * .85);
  display:flex;
  justify-content:space-between;
  gap:22px;
  box-shadow:0 16px 34px rgba(15,23,42,0.06);
}
.home-intro-main{flex:1 1 auto;}
.home-main-title{
  font-size:clamp(28px, 3vw, 38px);
  line-height:1.16;
  margin:4px 0 12px;
  color:var(--secondary);
}
.home-main-content{color:#556176;line-height:1.74;}
.home-main-content p{margin-bottom:12px;}
.home-cta-row{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap;}
.home-intro-side{
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:0 0 200px;
}
.mini-stat-box{
  background:linear-gradient(135deg,#133b82,#0b285f);
  color:#fff;
  padding:16px;
  border-radius:16px;
  box-shadow:0 10px 22px rgba(11,40,95,0.14);
}
.mini-stat-box strong{display:block;font-size:22px;margin-bottom:6px;}
.mini-stat-box span{font-size:13px;line-height:1.58;display:block;}

.home-video-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.home-video-card{
  background:#fff;
  border-radius:16px;
  padding:14px;
  box-shadow:var(--shadow);
  text-align:center;
  border:1px solid rgba(219,228,240,0.72);
}
.home-video-cover{
  position:relative;
  display:block;
  width:100%;
  height:180px;
  border-radius:14px;
  overflow:hidden;
  background:#eef3fb;
  margin-bottom:12px;
}
.home-video-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.home-video-cover-fallback{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#0a53ff,#1d2b53);
  color:#fff;
  font-size:42px;
}
.home-video-play{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  width:56px;
  height:56px;
  border-radius:50%;
  background:rgba(255,255,255,0.88);
  color:#0a53ff;
  font-size:22px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.home-video-card h3{
  margin-bottom:12px;
  color:var(--secondary);
  min-height:44px;
  line-height:1.4;
  font-size:17px;
}

.home-parts-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
}
.home-part-card{
  background:#fff;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid rgba(219,228,240,0.72);
}
.home-part-image{
  height:150px;
  background:#f7f9fc;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:12px;
}
.home-part-image img{
  width:100%;
  height:100%;
  object-fit:contain;
  transform:scale(0.86);
  transition:transform .25s ease;
}
.home-part-card:hover .home-part-image img{transform:scale(0.90);}
.home-part-body{padding:13px;}
.home-part-body h3{
  color:var(--secondary);
  margin-bottom:8px;
  min-height:40px;
  font-size:15px;
  line-height:1.4;
}
.home-part-body p{
  color:#667085;
  line-height:1.58;
  font-size:13px;
  margin-bottom:12px;
  min-height:46px;
}
.home-part-body .btn-primary{
  padding:9px 13px;
  font-size:13px;
  min-height:38px;
}
.home-section-action{margin-top:16px;text-align:center;}

.home-cta-band{
  background:linear-gradient(135deg,#113a7f,#0b285f);
  border-radius:20px;
  color:#fff;
  padding:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  box-shadow:0 16px 30px rgba(11,40,95,0.16);
}
.home-cta-band h2{
  margin-bottom:8px;
  font-size:24px;
  color:#fff;
  line-height:1.2;
}
.home-cta-band p{
  line-height:1.74;
  opacity:.96;
  font-size:14px;
  max-width:700px;
}

/* CONTACT / SERVICE */
.contact-grid{
  display:grid;
  grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr);
  gap:18px;
  align-items:start;
}
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-item{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:16px 18px;
  background:#f8fafc;
  border:1px solid #e5e7eb;
  border-radius:14px;
}
.contact-item strong{color:var(--secondary);font-size:16px;}
.contact-item span{color:#556176;line-height:1.8;font-size:14px;}
.contact-form,
.service-form{display:grid;gap:14px;}
.contact-form input,
.contact-form textarea,
.contact-form select,
.service-form input,
.service-form textarea,
.service-form select{
  width:100%;
  padding:13px 15px;
  border:1px solid #d9e2ef;
  border-radius:12px;
  background:#fff;
  color:var(--text);
}
.contact-form textarea,
.service-form textarea{resize:vertical;min-height:150px;}
.contact-form input:focus,
.contact-form textarea:focus,
.service-form input:focus,
.service-form textarea:focus,
.service-form select:focus{
  outline:none;
  border-color:#9fb8ea;
  box-shadow:0 0 0 4px rgba(15,61,145,0.08);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.service-section,
.contact-form-card,
.contact-info-card{display:block;}
.service-points{display:grid;gap:12px;}
.service-point{
  padding:14px 16px;
  border-radius:14px;
  background:#f8fafc;
  border:1px solid #e5e7eb;
}
.service-point strong{
  display:block;
  color:var(--secondary);
  margin-bottom:4px;
  font-size:15px;
}
.service-point span{
  display:block;
  color:#556176;
  line-height:1.7;
  font-size:14px;
}
.contact-note{
  margin-top:14px;
  padding:14px 16px;
  border-radius:14px;
  background:#eef4ff;
  border:1px solid #d7e4fd;
  color:#3f4b61;
  line-height:1.7;
  font-size:14px;
}

/* INSTALLATIONS */
.install-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
  margin-top:26px;
}
.install-card{
  background:#fff;
  padding:16px;
  border-radius:18px;
  text-align:center;
  box-shadow:var(--shadow);
  border:1px solid rgba(219,228,240,0.72);
}
.install-cover{
  position:relative;
  display:block;
  width:100%;
  height:184px;
  overflow:hidden;
  border:none;
  border-radius:14px;
  margin-bottom:14px;
  padding:0;
  background:#eef3fb;
  cursor:pointer;
}
.install-cover img{width:100%;height:100%;object-fit:cover;}
.install-cover-fallback{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#0a53ff,#1d2b53);
  color:#fff;
  font-size:42px;
}
.install-play{
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  width:62px;
  height:62px;
  border-radius:50%;
  background:rgba(255,255,255,0.90);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  color:#0a53ff;
}
.install-card h3{
  margin-bottom:12px;
  color:var(--secondary);
  min-height:46px;
  font-size:17px;
  line-height:1.4;
}

.video-modal{
  position:fixed;
  inset:0;
  z-index:3005;
  display:none;
}
.video-modal.open{display:block;}
.video-modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.72);
}
.video-modal-dialog{
  position:relative;
  width:min(920px, calc(100% - 24px));
  margin:34px auto;
  background:#0f172a;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,0.35);
  z-index:2;
}
.video-modal-header{padding:16px 22px;background:#111827;color:#fff;}
.video-modal-header h3{font-size:18px;font-weight:700;}
.video-modal-close{
  position:absolute;
  top:10px;
  right:14px;
  width:42px;
  height:42px;
  border:none;
  border-radius:50%;
  background:rgba(255,255,255,0.12);
  color:#fff;
  font-size:28px;
  cursor:pointer;
}
.video-modal-frame-wrap{
  position:relative;
  width:100%;
  padding-top:56.25%;
  background:#000;
}
.video-modal-frame-wrap iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}

/* SPARE PARTS */
.parts-section{padding:48px 0 64px;}
.parts-list{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-top:22px;
}
.part-row{
  display:grid;
  grid-template-columns:132px 1fr 140px;
  gap:18px;
  align-items:center;
  background:#fff;
  border-radius:18px;
  padding:14px 16px;
  box-shadow:var(--shadow);
  border:1px solid rgba(219,228,240,0.72);
}
.part-thumb{
  width:132px;
  height:104px;
  border-radius:14px;
  overflow:hidden;
  background:#f8fafc;
  border:1px solid #e5e7eb;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:10px;
}
.part-thumb img{
  width:100%;
  height:100%;
  object-fit:contain;
}
.part-info h3{
  margin-bottom:8px;
  font-size:17px;
  line-height:1.35;
  color:var(--secondary);
}
.part-info p{
  color:#667085;
  line-height:1.7;
  font-size:14px;
  margin:0;
}
.part-actions{
  display:flex;
  justify-content:flex-end;
  align-items:center;
}
.part-btn{
  background:#25D366;
  color:#fff;
  padding:10px 14px;
  min-width:124px;
}
.part-btn:hover{transform:translateY(-1px);}

/* FOOTER */
.site-footer{
  margin-top:28px;
  padding:0;
  width:100%;
  background:linear-gradient(135deg,#133b82,#0f5ac7);
  box-shadow:0 -8px 24px rgba(15,61,145,0.08);
}
.footer-main{
  width:min(1160px, calc(100% - 32px));
  margin:0 auto;
  background:transparent;
  border-radius:0;
  padding:22px 0 14px;
  color:#fff;
  box-shadow:none;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:20px;
  align-items:start;
}
.footer-col h3,
.footer-col h4{
  margin-bottom:8px;
  font-weight:800;
  line-height:1.2;
}
.footer-col h3{font-size:20px;}
.footer-col h4{font-size:18px;}
.footer-about p{
  max-width:520px;
  font-size:14px;
  line-height:1.72;
}
.footer-contact-col{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-contact-block{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:10px 12px;
  background:rgba(255,255,255,0.10);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:12px;
}
.footer-phone-list{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.footer-phone-line,
.footer-contact-text{
  font-size:13.5px;
  line-height:1.68;
}
.footer-bottom{
  margin-top:14px;
  padding-top:10px;
  border-top:1px solid rgba(255,255,255,0.16);
  text-align:center;
  font-size:12.5px;
  font-weight:600;
}

/* WHATSAPP */
.whatsapp-container{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:999;
}
.whatsapp-float{
  width:58px;
  height:58px;
  background:#25D366;
  border:none;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 14px 28px rgba(37,211,102,0.24);
}
.whatsapp-menu{
  position:absolute;
  right:0;
  bottom:70px;
  width:220px;
  background:#fff;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(0,0,0,0.25);
  display:none;
  flex-direction:column;
  overflow:hidden;
}
.whatsapp-menu.open{display:flex;}
.whatsapp-title{
  padding:12px;
  font-weight:700;
  background:#25D366;
  color:#fff;
}
.whatsapp-user{
  padding:12px 15px;
  border-bottom:1px solid #eee;
  color:#333;
  display:flex;
  flex-direction:column;
  gap:4px;
}

/* TABLET */
@media (max-width:1000px){
  .desktop-menu{display:none;}
  .menu-toggle{display:block;}
  .mobile-lang-box{display:flex;}

  .navbar{
    min-height:var(--header-height-tablet);
    padding-top:var(--header-padding-tablet);
    padding-bottom:var(--header-padding-tablet);
    border-radius:18px;
  }

  .logo img{width:var(--logo-width-tablet);}
  .hero-slider{height:var(--hero-height-tablet);border-radius:20px;}

  .home-intro-card{
    flex-direction:column;
    padding:calc(var(--home-card-padding-tablet) * .95);
  }

  .home-video-grid,
  .install-grid,
  .footer-grid{
    grid-template-columns:1fr;
  }

  .home-parts-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px;
  }

  .contact-grid,
  .form-grid{
    grid-template-columns:1fr;
  }

  .home-cta-band{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* MOBILE */
@media (max-width:768px){
  .container{width:min(100%, calc(100% - 18px));}

  .header-surface{padding:5px 0;}
  .navbar{
    min-height:var(--header-height-mobile);
    padding-top:var(--header-padding-mobile);
    padding-bottom:var(--header-padding-mobile);
    padding-left:12px;
    padding-right:12px;
    gap:8px;
    border-radius:16px;
  }

  .logo img{width:var(--logo-width-mobile);}
  .header-right{gap:6px;}
  .lang-btn{
    min-height:36px;
    padding:6px 9px;
    border-radius:10px;
  }
  .lang-code{font-size:13px;}
  .lang-flag{
    width:16px;
    height:16px;
    flex:0 0 16px;
  }
  .menu-toggle{
    width:38px;
    height:38px;
    font-size:22px;
    border-radius:10px;
  }

  .mobile-drawer{
    width:280px;
    max-width:88vw;
    padding:66px 14px 14px;
    gap:8px;
  }
  .mobile-drawer-links a{
    padding:11px 12px;
    border-radius:10px;
    font-size:14px;
  }
  .mobile-lang-item{
    padding:10px 12px;
    border-radius:10px;
    font-size:14px;
  }
  .menu-close{
    width:36px;
    height:36px;
    font-size:24px;
  }

  .hero-slider{
    height:var(--hero-height-mobile);
    border-radius:15px;
  }
  .hero-arrow{
    width:36px;
    height:36px;
    font-size:20px;
  }
  .hero-prev{left:10px;}
  .hero-next{right:10px;}
  .hero-dots{bottom:10px;gap:6px;}
  .hero-dot{width:7px;height:7px;}

  .page-section{padding:30px 0 38px;}
  .home-intro-section{padding:24px 0;}
  .section-head{margin-bottom:18px;}
  .section-title{
    font-size:26px;
    line-height:1.15;
  }
  .section-head p{
    font-size:14px;
    line-height:1.65;
  }

  .page-card{
    padding:16px;
    border-radius:16px;
  }
  .page-card-title{
    font-size:19px;
    margin-bottom:12px;
  }
  .html-content{
    font-size:14px;
    line-height:1.7;
  }

  .home-intro-card{
    padding:16px;
    gap:14px;
    border-radius:18px;
  }
  .home-main-title{
    font-size:25px;
    line-height:1.15;
  }
  .home-main-content{
    font-size:14px;
    line-height:1.68;
  }
  .home-cta-row{
    gap:8px;
    margin-top:14px;
  }
  .home-intro-side{
    gap:10px;
    flex:1 1 auto;
  }
  .mini-stat-box{
    padding:14px;
    border-radius:14px;
  }
  .mini-stat-box strong{
    font-size:18px;
    margin-bottom:4px;
  }
  .mini-stat-box span{
    font-size:12.5px;
    line-height:1.5;
  }

  .btn-primary,
  .btn-secondary,
  .part-btn{
    width:100%;
    min-height:38px;
    padding:10px 12px;
    font-size:13px;
  }

  .home-video-grid{
    grid-template-columns:1fr;
    gap:12px;
  }
  .home-video-card{
    padding:12px;
    border-radius:14px;
  }
  .home-video-cover{
    height:165px;
    margin-bottom:10px;
  }
  .home-video-play{
    width:50px;
    height:50px;
    font-size:20px;
  }
  .home-video-card h3{
    min-height:auto;
    font-size:15px;
    margin-bottom:10px;
  }

  .home-parts-grid{
    grid-template-columns:1fr;
    gap:10px;
  }
  .home-part-card{
    border-radius:14px;
  }
  .home-part-image{
    height:145px;
    padding:10px;
  }
  .home-part-body{
    padding:12px;
  }
  .home-part-body h3{
    min-height:auto;
    font-size:14px;
    margin-bottom:6px;
  }
  .home-part-body p{
    min-height:auto;
    font-size:12.5px;
    line-height:1.52;
    margin-bottom:10px;
  }

  .home-section-action{margin-top:14px;}

  .home-cta-band{
    padding:18px;
    border-radius:18px;
    gap:14px;
  }
  .home-cta-band h2{
    font-size:20px;
    margin-bottom:6px;
  }
  .home-cta-band p{
    font-size:13px;
    line-height:1.66;
  }

  .contact-grid{gap:14px;}
  .contact-list{gap:12px;}
  .contact-item{
    padding:14px;
    border-radius:12px;
  }
  .contact-item strong{font-size:15px;}
  .contact-item span{font-size:13.5px;}
  .contact-form,
  .service-form{gap:12px;}
  .form-grid{
    grid-template-columns:1fr;
    gap:12px;
  }
  .contact-form input,
  .contact-form textarea,
  .contact-form select,
  .service-form input,
  .service-form textarea,
  .service-form select{
    padding:12px 13px;
    border-radius:10px;
    font-size:14px;
  }
  .contact-form textarea,
  .service-form textarea{
    min-height:130px;
  }
  .service-points{gap:10px;}
  .service-point{
    padding:13px 14px;
    border-radius:12px;
  }
  .service-point strong{font-size:14px;}
  .service-point span{font-size:13px;}
  .contact-note{
    padding:13px 14px;
    border-radius:12px;
    font-size:13px;
  }

  .install-grid{
    grid-template-columns:1fr;
    gap:12px;
    margin-top:20px;
  }
  .install-card{
    padding:12px;
    border-radius:14px;
  }
  .install-cover{
    height:165px;
    border-radius:12px;
    margin-bottom:10px;
  }
  .install-play{
    width:50px;
    height:50px;
    font-size:20px;
  }
  .install-card h3{
    min-height:auto;
    font-size:15px;
    margin-bottom:10px;
  }

  .parts-section{padding:30px 0 42px;}
  .parts-list{
    gap:12px;
    margin-top:18px;
  }
  .part-row{
    grid-template-columns:1fr;
    gap:10px;
    padding:12px;
    border-radius:14px;
  }
  .part-thumb{
    width:100%;
    height:155px;
    border-radius:12px;
  }
  .part-info h3{
    font-size:15px;
    margin-bottom:6px;
  }
  .part-info p{
    font-size:13px;
    line-height:1.6;
  }
  .part-actions{
    justify-content:flex-start;
  }

  .video-modal-dialog{
    width:min(100%, calc(100% - 12px));
    margin:14px auto;
    border-radius:14px;
  }
  .video-modal-header{
    padding:12px 16px;
  }
  .video-modal-header h3{
    font-size:16px;
  }
  .video-modal-close{
    width:36px;
    height:36px;
    font-size:24px;
    top:8px;
    right:10px;
  }

  .footer-main{
    width:min(100%, calc(100% - 18px));
    padding:16px 0 12px;
  }
  .footer-grid{
    gap:14px;
  }
  .footer-col h3{font-size:18px;}
  .footer-col h4{font-size:16px;}
  .footer-about p{
    font-size:13px;
    line-height:1.65;
  }
  .footer-contact-block{
    padding:9px 10px;
    border-radius:10px;
  }
  .footer-phone-line,
  .footer-contact-text{
    font-size:12.5px;
    line-height:1.6;
  }
  .footer-bottom{
    margin-top:12px;
    padding-top:10px;
    font-size:12px;
  }

  .whatsapp-container{
    right:14px;
    bottom:14px;
  }
  .whatsapp-float{
    width:50px;
    height:50px;
  }
  .whatsapp-menu{
    width:210px;
    bottom:62px;
  }
  .whatsapp-title{
    padding:10px;
    font-size:14px;
  }
  .whatsapp-user{
    padding:10px 12px;
    font-size:13px;
  }
}