:root{
  --color-primary:#1F2937;
  --color-secondary:#374151;
  --color-accent:#64748B;
}

html{scroll-behavior:smooth;scroll-padding-top:5rem;}
body{font-family:'Space Grotesk',system-ui,sans-serif;}

::selection{background:rgba(100,116,139,.25);color:#111827;}

a,button{outline:none;}
:focus-visible{outline:2px solid rgba(100,116,139,.55);outline-offset:3px;border-radius:14px;}

/* Button fixes */
button,.btn,[class*="btn-"],a[href="#order_form"]{
  white-space:nowrap;
  min-width:fit-content;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
}
form button[type="submit"]{white-space:normal;width:100%;}

/* Premium surface utilities */
.glass{
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(229,231,235,.85);
}
.dark-glass{
  background:rgba(17,24,39,.62);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.12);
}

/* Decorative backgrounds */
.decor-grid-dots{
  background-image:radial-gradient(rgba(148,163,184,.35) 1px,transparent 1px);
  background-size:22px 22px;
}
.decor-grid-lines{
  background-image:linear-gradient(to right,rgba(148,163,184,.18) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(148,163,184,.18) 1px,transparent 1px);
  background-size:44px 44px;
}
.decor-diagonal{
  background-image:repeating-linear-gradient(135deg,rgba(148,163,184,.18) 0,rgba(148,163,184,.18) 1px,transparent 1px,transparent 10px);
}
.decor-mesh{
  background:
    radial-gradient(700px 260px at 10% 20%, rgba(100,116,139,.22), transparent 60%),
    radial-gradient(700px 260px at 90% 30%, rgba(31,41,55,.18), transparent 60%),
    radial-gradient(900px 340px at 50% 100%, rgba(100,116,139,.16), transparent 60%);
}
.decor-subtle{opacity:.06;}
.decor-moderate{opacity:.12;}
.decor-bold{opacity:.2;}

.decor-gradient-blur{position:relative;}
.decor-gradient-blur::before,
.decor-gradient-blur::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  border-radius:9999px;
  filter:blur(60px);
  opacity:.22;
  z-index:0;
}
.decor-gradient-blur::before{
  left:-180px;top:-180px;
  background:radial-gradient(circle at 30% 30%, rgba(100,116,139,.95), transparent 60%);
}
.decor-gradient-blur::after{
  right:-220px;bottom:-220px;
  background:radial-gradient(circle at 70% 70%, rgba(31,41,55,.85), transparent 60%);
}

.decor-corner-tr{position:relative;}
.decor-corner-tr::after{
  content:"";
  position:absolute;
  right:-1px;top:-1px;
  width:88px;height:88px;
  background:linear-gradient(135deg, rgba(100,116,139,.35), transparent);
  clip-path:polygon(100% 0, 0 0, 100% 100%);
  opacity:.85;
}
.decor-corner-bl{position:relative;}
.decor-corner-bl::before{
  content:"";
  position:absolute;
  left:-1px;bottom:-1px;
  width:88px;height:88px;
  background:linear-gradient(315deg, rgba(100,116,139,.35), transparent);
  clip-path:polygon(0 100%, 0 0, 100% 100%);
  opacity:.85;
}

.decor-glow-element{
  position:absolute;
  inset:auto;
  width:420px;height:420px;
  border-radius:9999px;
  background:radial-gradient(circle, rgba(100,116,139,.28), transparent 60%);
  filter:blur(18px);
  z-index:0;
  pointer-events:none;
}

.decor-rings-svg{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='520' height='520' viewBox='0 0 520 520'%3E%3Cg fill='none' stroke='%2394a3b8' stroke-opacity='.25'%3E%3Ccircle cx='260' cy='260' r='70'/%3E%3Ccircle cx='260' cy='260' r='130'/%3E%3Ccircle cx='260' cy='260' r='190'/%3E%3Ccircle cx='260' cy='260' r='250'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:center;
  background-size:520px 520px;
}

/* Animations */
[data-animate]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .6s ease-out, transform .6s ease-out;
  will-change:opacity, transform;
}
[data-animate="zoom_in"]{
  opacity:0;
  transform:scale(.95);
  transition:opacity .5s ease-out, transform .5s ease-out;
}
[data-animate].is-visible{
  opacity:1;
  transform:translateY(0);
}
[data-animate="zoom_in"].is-visible{
  opacity:1;
  transform:scale(1);
}

.rotate-180{transform:rotate(180deg);}

/* Form polish */
input,select,textarea{
  font-feature-settings:"ss01" 1,"ss02" 1;
}
input::placeholder,textarea::placeholder{color:#9CA3AF;}
input[type="checkbox"]{accent-color:var(--color-accent);}

/* Mobile menu animation */
#mobile-menu{
  transform-origin:top;
}
#mobile-menu.is-open{
  display:block !important;
  animation:menuDrop .18s ease-out;
}
@keyframes menuDrop{
  from{opacity:0;transform:translateY(-6px);}
  to{opacity:1;transform:translateY(0);}
}