/* AR Precast Website v1.0
   Clean, fast, minimal dependencies
*/

:root{
  --bg: #0b1220;
  --surface: #0f172a;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --stroke: rgba(148,163,184,.22);
  --text: #e5e7eb;
  --muted: rgba(226,232,240,.75);
  --brand: #f97316;
  --brand2: #22c55e;
  --shadow: 0 24px 60px rgba(0,0,0,.35);
  --radius: 18px;

  --container: 1120px;
  --headerH: 72px;
  --topbarH: 42px;
  --scrollOffset: calc(var(--headerH) + var(--topbarH) + 16px);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top: var(--scrollOffset); }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1200px 500px at 15% -5%, rgba(249,115,22,.16), transparent 60%),
    radial-gradient(900px 450px at 80% 10%, rgba(34,197,94,.10), transparent 55%),
    radial-gradient(1000px 700px at 50% 120%, rgba(56,189,248,.10), transparent 55%),
    var(--bg);
  color: var(--text);
}

a{ color:inherit; text-decoration:none; }
a:hover{ text-decoration:underline; }
img{ max-width:100%; height:auto; display:block; }
code{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.container{
  width: min(var(--container), calc(100% - 40px));
  margin-inline:auto;
}

.skip-link{
  position:absolute; left:-9999px; top:auto; width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left:12px; top:12px; width:auto; height:auto; padding:10px 12px;
  background:#111827; border:1px solid var(--stroke); border-radius:12px; z-index:9999;
}

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(2,6,23,.60);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stroke);
}
.topbar__inner{
  height: var(--topbarH);
  display:flex; align-items:center; justify-content:space-between;
  gap:14px;
}
.topbar__left{ display:flex; align-items:center; gap:12px; }
.topbar__right{ display:flex; align-items:center; gap:14px; }
.topbar__link{ font-weight:600; font-size:14px; opacity:.92; }
.topbar__link:hover{ opacity:1; text-decoration:none; }
.pill{
  font-size:12px; font-weight:700;
  padding:6px 10px;
  border:1px solid var(--stroke);
  border-radius:999px;
  background: rgba(255,255,255,.04);
}
.muted{ color: var(--muted); }
.hide-sm{ display:inline; }
@media (max-width: 680px){
  .hide-sm{ display:none; }
}

/* Header */
.header{
  position:sticky; top: var(--topbarH); z-index:40;
  background: rgba(11,18,32,.70);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stroke);
}
.header__inner{
  height: var(--headerH);
  display:flex; align-items:center; justify-content:space-between;
}
.brand{
  display:flex; align-items:center; gap:10px;
}
.brand__mark{
  width:40px; height:40px; border-radius:14px;
  background:
    linear-gradient(135deg, rgba(249,115,22,.95), rgba(34,197,94,.70));
  box-shadow: 0 12px 30px rgba(0,0,0,.25);
}
.brand__text strong{ display:block; line-height:1.05; }
.brand__text small{ display:block; color: var(--muted); margin-top:2px; font-size:12px; }

.nav{
  display:flex; align-items:center; gap:18px;
  font-weight:650;
}
.nav a{ font-size:14px; opacity:.92; }
.nav a:hover{ opacity:1; text-decoration:none; }
.nav__cta{
  padding:10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(249,115,22,.45);
  background: rgba(249,115,22,.10);
}

.menuBtn{
  display:none;
  width:44px; height:44px;
  border-radius: 14px;
  border:1px solid var(--stroke);
  background: rgba(255,255,255,.04);
  cursor:pointer;
}
.menuBtn span{
  display:block;
  width:18px; height:2px;
  background: rgba(226,232,240,.95);
  margin:4px auto;
  border-radius:999px;
}
.mobileNav{
  border-top:1px solid var(--stroke);
  background: rgba(2,6,23,.65);
}
.mobileNav__inner{
  padding:14px 0 18px;
  display:grid; gap:10px;
}
.mobileNav__inner a{
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(148,163,184,.20);
  background: rgba(255,255,255,.04);
  font-weight:700;
}
.mobileNav__inner a.nav__cta{ border-color: rgba(249,115,22,.45); }

@media (max-width: 880px){
  .nav{ display:none; }
  .menuBtn{ display:block; }
}

/* Hero */
.hero{
  padding: 46px 0 22px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 26px;
  align-items:center;
}
.hero h1{
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.06;
  margin: 0 0 10px;
  letter-spacing: -.02em;
}
.accent{
  background: linear-gradient(90deg, rgba(249,115,22,1), rgba(34,197,94,1));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
.lead{
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 18px;
}
.hero__cta{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom: 18px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 16px;
  font-weight:800;
  border: 1px solid rgba(148,163,184,.22);
  background: rgba(255,255,255,.04);
  cursor:pointer;
}
.btn:hover{ text-decoration:none; transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }
.btn--primary{
  border-color: rgba(249,115,22,.55);
  background: linear-gradient(135deg, rgba(249,115,22,.95), rgba(249,115,22,.45));
  box-shadow: 0 18px 40px rgba(249,115,22,.12);
}
.btn--ghost{
  background: rgba(255,255,255,.04);
}
.hero__trust{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}
.trust{
  display:flex; gap:10px; align-items:flex-start;
  padding: 12px;
  border-radius: 18px;
  border:1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.03);
}
.trust__icon{
  width:28px; height:28px;
  border-radius: 10px;
  display:grid; place-items:center;
  background: rgba(34,197,94,.18);
  border:1px solid rgba(34,197,94,.35);
  font-weight:900;
}
.trust strong{ display:block; font-size:14px; }
.trust small{ display:block; font-size:12px; margin-top:2px; }

@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .hero__trust{ grid-template-columns: 1fr; }
}

/* Visual card */
.visualCard{
  border-radius: 24px;
  border:1px solid rgba(148,163,184,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.visualCard__top{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(148,163,184,.18);
}
.visualBadge{
  font-weight:900;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color: rgba(226,232,240,.9);
}
.visualDots i{
  display:inline-block;
  width:8px; height:8px;
  margin-left:6px;
  border-radius:999px;
  background: rgba(148,163,184,.45);
}
.visualCard__img{
  padding: 14px;
}
.visualCard__bottom{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px 16px 18px;
  border-top: 1px solid rgba(148,163,184,.18);
}
.stat strong{ display:block; font-size:14px; }
.stat span{ display:block; font-size:12px; margin-top:2px; color: var(--muted); }

/* Sections */
.section{ padding: 46px 0; }
.section--alt{
  background: rgba(2,6,23,.25);
  border-top: 1px solid rgba(148,163,184,.10);
  border-bottom: 1px solid rgba(148,163,184,.10);
}
.section__head{ margin-bottom: 18px; }
.section__head h2{
  margin:0 0 6px;
  font-size: 28px;
  letter-spacing:-.02em;
}
.section__head p{ margin:0; }

/* Product filters */
.filters{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin: 16px 0 18px;
}
.chip{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.20);
  background: rgba(255,255,255,.04);
  font-weight:800;
  font-size: 13px;
  cursor:pointer;
}
.chip.is-active{
  border-color: rgba(249,115,22,.55);
  background: rgba(249,115,22,.12);
}

/* Product grid */
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.card{
  border-radius: 20px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.04);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.card__head{
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(148,163,184,.14);
  display:flex; align-items:flex-start; justify-content:space-between; gap:10px;
}
.tag{
  font-size: 12px;
  font-weight: 900;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.18);
  color: rgba(226,232,240,.88);
  background: rgba(2,6,23,.22);
}
.card__title{
  margin:0;
  font-size: 16px;
  letter-spacing:-.01em;
}
.card__size{
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}
.card__body{ padding: 12px 14px 14px; flex:1; }
.card__body p{ margin: 0 0 12px; color: var(--muted); line-height:1.55; font-size: 13px; }
.card__actions{
  padding: 12px 14px 14px;
  display:flex; gap:10px; flex-wrap:wrap;
}
.btn--small{
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 13px;
}
.btn--outline{
  background: rgba(255,255,255,.03);
}

@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .grid{ grid-template-columns: 1fr; }
}

/* Features */
.features{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.feature{
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.03);
}
.feature h3{ margin:0 0 8px; font-size: 16px; }
.feature p{ margin:0; color: var(--muted); line-height:1.6; font-size: 13px; }

@media (max-width: 980px){
  .features{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px){
  .features{ grid-template-columns: 1fr; }
}

/* Gallery */
.gallery{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.shot{
  margin:0;
  border-radius: 22px;
  overflow:hidden;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.03);
}
.shot img{ width:100%; height:auto; }
@media (max-width: 980px){
  .gallery{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px){
  .gallery{ grid-template-columns: 1fr; }
}

/* Reviews */
.reviews{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.review{
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.03);
}
.review__top{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
  margin-bottom: 8px;
}
.stars{ letter-spacing: .08em; color: rgba(249,115,22,.9); }
.review p{ margin:0; color: var(--muted); line-height:1.65; }
@media (max-width: 980px){
  .reviews{ grid-template-columns: 1fr; }
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 14px;
  align-items:start;
}
.contact__card{
  border-radius: 24px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.04);
  padding: 18px;
}
.contact__card h3{ margin:0 0 12px; }
.contactList{ display:grid; gap:10px; }
.contactItem{
  display:grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(148,163,184,.18);
}
.contactItem:last-child{ border-bottom:none; }
.contactItem .k{ color: rgba(226,232,240,.85); font-weight:900; font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
.contactItem .v{ color: var(--muted); font-size: 13px; line-height: 1.55; }
.contactItem .v a{ color: rgba(226,232,240,.92); font-weight:800; }
.contact__ctaRow{ display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px; }
.fine{ font-size: 12px; line-height: 1.6; margin-top: 10px; }

.form{
  border-radius: 24px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(255,255,255,.03);
  padding: 18px;
}
label{ display:block; font-weight:800; font-size: 13px; color: rgba(226,232,240,.92); }
input, textarea{
  width:100%;
  margin-top: 8px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(148,163,184,.18);
  background: rgba(2,6,23,.25);
  color: rgba(226,232,240,.95);
  outline:none;
}
textarea{ resize: vertical; min-height: 120px; }
input:focus, textarea:focus{
  border-color: rgba(249,115,22,.55);
  box-shadow: 0 0 0 3px rgba(249,115,22,.12);
}
.formRow{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.formActions{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
  margin-top: 12px;
}
@media (max-width: 980px){
  .contact{ grid-template-columns: 1fr; }
}
@media (max-width: 560px){
  .formRow{ grid-template-columns: 1fr; }
}

/* Footer */
.footer{
  border-top: 1px solid rgba(148,163,184,.12);
  background: rgba(2,6,23,.35);
  padding: 20px 0;
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding-bottom: 12px;
}
.footer__links{
  display:flex;
  gap: 16px;
  flex-wrap:wrap;
}
.footer__links a{ opacity:.92; font-weight:800; font-size: 13px; }
.footer__links a:hover{ opacity:1; text-decoration:none; }
.footer__bottom{
  border-top: 1px solid rgba(148,163,184,.12);
  padding-top: 12px;
}