/* =========================================================================
   ALPHA PLUS — Architectural Façade Systems
   Steel-and-glass engineering brand. Mobile-first.
   ========================================================================= */

:root{
  --bg:#FFFFFF;
  --surface:#F4F6F8;
  --surface-2:#EAEEF2;
  --text:#10202E;
  --muted:#5C6B78;
  --primary:#19305F;     /* deep navy — logo A mark + wordmark */
  --primary-deep:#0F2347;
  --secondary:#1E6FB0;   /* architectural blue */
  --accent:#1F9FE0;      /* glass azure-cyan — the "+" */
  --border:#D8DEE4;
  --hairline:#E4E9ED;
  --focus:#1F9FE0;
  --steel:#B8BFC7;

  --ink-on-dark:#EAF2F9;
  --muted-on-dark:#9FB2C4;

  --maxw:1240px;
  --gut:clamp(20px,5vw,64px);

  --r-sm:4px;
  --r:8px;
  --r-lg:14px;

  --shadow-sm:0 1px 2px rgba(16,32,46,.06), 0 1px 3px rgba(16,32,46,.05);
  --shadow:0 10px 30px -12px rgba(16,32,46,.18), 0 2px 6px rgba(16,32,46,.05);
  --shadow-lg:0 30px 70px -24px rgba(16,32,46,.30), 0 6px 16px rgba(16,32,46,.08);

  --ease:cubic-bezier(.22,.61,.36,1);
  --font-d:"Archivo","Helvetica Neue",Helvetica,Arial,sans-serif;
  --font-b:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}

body{
  margin:0;
  font-family:var(--font-b);
  color:var(--text);
  background:var(--bg);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:var(--font-d);
  font-weight:700;
  line-height:1.06;
  letter-spacing:-.018em;
  margin:0;
  text-wrap:balance;
}
p{margin:0;text-wrap:pretty;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;}

:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px;}

/* ---------- Layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);}
.section{padding-block:clamp(64px,9vw,128px);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-b);
  font-size:12.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--secondary);
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--accent);
}
.eyebrow.center::before{display:none;}
.lead{color:var(--muted);font-size:clamp(16px,1.7vw,19px);line-height:1.65;max-width:62ch;}
.sec-head{max-width:64ch;}
.sec-head h2{
  font-size:clamp(30px,4.4vw,52px);
  margin-top:18px;
}
.sec-head .lead{margin-top:20px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-b);font-weight:600;font-size:15px;letter-spacing:.005em;
  padding:14px 22px;border-radius:var(--r);border:1px solid transparent;
  min-height:48px;
  transition:transform .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn svg{flex:none;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-accent{background:var(--accent);color:#06243a;font-weight:700;}
.btn-accent:hover{background:#33addd;transform:translateY(-2px);box-shadow:0 12px 28px -10px rgba(31,159,224,.55);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:#fff;}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.40);backdrop-filter:blur(6px);}
.btn-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);}
.btn-block{width:100%;}
.btn-lg{padding:17px 28px;font-size:16px;min-height:54px;}

.linkmore{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--primary);
  font-size:15px;
}
.linkmore svg{transition:transform .3s var(--ease);}
.linkmore:hover svg{transform:translateX(4px);}

/* =========================================================================
   HEADER
   ========================================================================= */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease),background .3s;
}
.header.scrolled{border-color:var(--hairline);box-shadow:0 1px 0 rgba(16,32,46,.04),0 8px 24px -18px rgba(16,32,46,.3);}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:84px;
}
.brand{display:flex;align-items:center;gap:0;}
.brand img{height:54px;width:auto;}
.nav-links{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.tel-mini{display:none;}

@media (min-width:1040px){
  .nav-links{
    display:flex;align-items:center;gap:4px;margin-left:8px;
  }
  .nav-links a{
    position:relative;font-size:14.5px;font-weight:500;color:var(--text);
    padding:10px 14px;border-radius:6px;transition:color .2s;
  }
  .nav-links a::after{
    content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
    background:var(--accent);transform:scaleX(0);transform-origin:left;
    transition:transform .3s var(--ease);
  }
  .nav-links a:hover{color:var(--primary);}
  .nav-links a:hover::after{transform:scaleX(1);}
  .tel-mini{
    display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;
    color:var(--primary);padding:8px 6px;
  }
  .tel-mini svg{color:var(--secondary);}
}

.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:48px;height:48px;border:1px solid var(--border);border-radius:8px;background:#fff;
  padding:0 12px;
}
.burger span{height:2px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .2s;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:1040px){.burger{display:none;}}

/* Mobile menu drawer */
.mobile-menu{
  position:fixed;inset:84px 0 0;z-index:55;
  background:#fff;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
  overflow-y:auto;padding:8px var(--gut) 40px;
  border-top:1px solid var(--hairline);
}
.mobile-menu.open{opacity:1;transform:none;pointer-events:auto;}
.mobile-menu a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4px;font-family:var(--font-d);font-size:22px;font-weight:600;
  border-bottom:1px solid var(--hairline);color:var(--text);
}
.mobile-menu a.m-link span.n{color:var(--steel);font-family:var(--font-b);font-size:13px;font-weight:600;}
.mobile-menu .m-actions{display:grid;gap:12px;margin-top:28px;}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{position:relative;background:var(--primary-deep);color:#fff;overflow:hidden;}
.hero-media{position:absolute;inset:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 38%;}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,18,35,.62) 0%,rgba(8,18,35,.30) 30%,rgba(8,18,35,.55) 75%,rgba(8,18,35,.86) 100%),
    linear-gradient(90deg,rgba(8,18,35,.78) 0%,rgba(8,18,35,.40) 48%,rgba(8,18,35,.12) 100%);
}
.hero-grid-lines{
  position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:clamp(60px,9vw,120px) clamp(60px,9vw,120px);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,#000 70%,transparent);
          mask-image:linear-gradient(180deg,transparent,#000 40%,#000 70%,transparent);
}
.hero-inner{
  position:relative;z-index:2;
  padding-block:clamp(72px,15vw,148px);
  display:grid;gap:34px;
}
.hero h1{
  font-size:clamp(38px,7.4vw,82px);
  font-weight:800;letter-spacing:-.025em;line-height:1.0;
  max-width:16ch;
  text-shadow:0 2px 24px rgba(0,0,0,.25);
}
.hero h1 .hl{color:var(--accent);}
.hero .sub{
  font-size:clamp(16px,2vw,20px);color:var(--ink-on-dark);max-width:54ch;line-height:1.6;
}
.hero-est{
  display:inline-flex;align-items:center;gap:14px;
  font-size:12.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-on-dark);
}
.hero-est .bar{width:34px;height:1px;background:var(--accent);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-tags{
  display:flex;flex-wrap:wrap;gap:10px 8px;padding-top:6px;
}
.hero-tags span{
  font-size:13px;color:var(--ink-on-dark);
  border:1px solid rgba(255,255,255,.22);border-radius:100px;padding:7px 15px;
  background:rgba(255,255,255,.05);backdrop-filter:blur(4px);
}

/* =========================================================================
   TRUST STRIP
   ========================================================================= */
.trust{background:var(--primary);color:#fff;}
.trust .wrap{
  display:grid;grid-template-columns:1fr;gap:0;
}
.trust-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid rgba(255,255,255,.12);
}
.trust-item:last-child{border-bottom:none;}
.trust-ic{
  flex:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.28);border-radius:9px;
  display:grid;place-items:center;color:var(--accent);
}
.trust-item h3{font-size:17px;font-family:var(--font-d);font-weight:600;}
.trust-item p{font-size:14px;color:var(--muted-on-dark);margin-top:4px;line-height:1.5;}
@media (min-width:760px){
  .trust .wrap{grid-template-columns:repeat(2,1fr);column-gap:48px;}
  .trust-item:nth-last-child(2){border-bottom:none;}
}
@media (min-width:1100px){
  .trust .wrap{grid-template-columns:repeat(4,1fr);column-gap:40px;}
  .trust-item{border-bottom:none;border-right:1px solid rgba(255,255,255,.12);padding:34px 28px 34px 0;flex-direction:column;gap:18px;}
  .trust-item:last-child{padding-right:0;border-right:none;}
}

/* =========================================================================
   PRODUCTS
   ========================================================================= */
.products-grid{
  display:grid;grid-template-columns:1fr;gap:18px;margin-top:52px;
}
@media (min-width:680px){.products-grid{grid-template-columns:repeat(2,1fr);}}

.pcard{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s var(--ease);
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.pcard-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease);}
.pcard:hover .pcard-media img{transform:scale(1.06);}
.pcard-media.placeholder{
  background:
    repeating-linear-gradient(135deg,var(--surface-2),var(--surface-2) 11px,#e1e6eb 11px,#e1e6eb 22px);
  display:grid;place-items:center;
}
.pcard-media .ph-tag{
  font-family:var(--font-b);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);background:rgba(255,255,255,.85);padding:6px 12px;border-radius:100px;border:1px solid var(--border);
}
.pcard-num{
  position:absolute;top:14px;left:14px;z-index:2;
  font-family:var(--font-d);font-weight:700;font-size:13px;letter-spacing:.05em;
  color:#fff;background:rgba(16,32,46,.45);backdrop-filter:blur(6px);
  padding:5px 11px;border-radius:6px;border:1px solid rgba(255,255,255,.25);
}
.pcard-body{padding:26px 24px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.pcard-body h3{font-size:22px;}
.pcard-body p{color:var(--muted);font-size:15px;flex:1;}
.pcard-tags{display:flex;flex-wrap:wrap;gap:7px;}
.pcard-tags span{font-size:12px;color:var(--secondary);background:var(--surface);border:1px solid var(--border);padding:5px 11px;border-radius:6px;}
.pcard-foot{display:block;padding-top:6px;}
.pcard-foot .linkmore{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;min-height:46px;padding:11px 16px;font-size:14px;letter-spacing:.01em;
  color:var(--primary);background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.pcard:hover .pcard-foot .linkmore{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-sm);}
.pcard-foot .linkmore:hover,.pcard-foot .linkmore:focus-visible{background:var(--primary);color:#fff;border-color:var(--primary);}
.pcard-foot .linkmore:hover svg{transform:translateX(4px);}

/* =========================================================================
   BRANDS
   ========================================================================= */
.brands{background:var(--surface);border-block:1px solid var(--hairline);}
.brand-cards{display:grid;grid-template-columns:1fr;gap:18px;margin-top:48px;}
@media (min-width:760px){.brand-cards{grid-template-columns:repeat(3,1fr);}}
.bcard{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px 28px;display:flex;flex-direction:column;gap:20px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.bcard-logo{height:78px;display:flex;align-items:center;}
.bcard-logo img{max-height:78px;width:auto;object-fit:contain;}
.bcard h3{font-size:19px;}
.bcard .role{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);}
.bcard p{font-size:14.5px;color:var(--muted);}
.bcard.primary{outline:2px solid var(--secondary);outline-offset:-2px;}

/* =========================================================================
   ENGINEERING (dark band)
   ========================================================================= */
.engineering{position:relative;background:var(--primary-deep);color:#fff;overflow:hidden;}
.eng-bg{position:absolute;inset:0;opacity:.16;}
.eng-bg img{width:100%;height:100%;object-fit:cover;}
.eng-scrim{position:absolute;inset:0;background:linear-gradient(90deg,var(--primary-deep) 30%,rgba(15,35,71,.72) 100%);}
.eng-inner{position:relative;z-index:2;display:grid;gap:48px;}
@media (min-width:920px){.eng-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:72px;}}
.engineering h2{font-size:clamp(30px,4.2vw,50px);}
.engineering .lead{color:var(--ink-on-dark);}
.eng-list{display:grid;gap:2px;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);overflow:hidden;background:rgba(255,255,255,.04);}
.eng-row{display:flex;gap:18px;align-items:flex-start;padding:22px 24px;border-bottom:1px solid rgba(255,255,255,.10);}
.eng-row:last-child{border-bottom:none;}
.eng-row .n{font-family:var(--font-d);font-weight:700;color:var(--accent);font-size:14px;flex:none;width:34px;}
.eng-row h4{font-size:17px;font-family:var(--font-d);font-weight:600;margin-bottom:4px;}
.eng-row p{font-size:14px;color:var(--muted-on-dark);line-height:1.5;}

/* =========================================================================
   PROJECTS
   ========================================================================= */
.proj-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:50px;}
@media (min-width:640px){.proj-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1000px){
  .proj-grid{grid-template-columns:repeat(6,1fr);grid-auto-rows:230px;}
  .proj-card.f-wide{grid-column:span 4;}
  .proj-card.f-tall{grid-column:span 2;grid-row:span 2;}
  .proj-card.f-sq{grid-column:span 2;}
}
.proj-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--primary-deep);
  min-height:230px;cursor:pointer;
}
.proj-card img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);position:absolute;inset:0;}
.proj-card:hover img{transform:scale(1.07);}
.proj-card .pscrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,35,0) 35%,rgba(8,18,35,.85) 100%);}
.proj-meta{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:22px;color:#fff;}
.proj-meta .loc{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);}
.proj-meta h3{font-size:21px;margin-top:6px;}
.proj-meta .sys{font-size:13px;color:var(--ink-on-dark);margin-top:4px;}
.ref-note{margin-top:22px;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.ref-note svg{flex:none;color:var(--steel);margin-top:2px;}

/* =========================================================================
   ABOUT
   ========================================================================= */
.about{background:var(--surface);border-block:1px solid var(--hairline);}
.about-inner{display:grid;gap:48px;}
@media (min-width:920px){.about-inner{grid-template-columns:1fr 1fr;gap:72px;align-items:start;}}
.about h2{font-size:clamp(30px,4.4vw,52px);}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;margin-top:8px;}
.stat{background:#fff;padding:26px 24px;}
.stat .num{font-family:var(--font-d);font-weight:800;font-size:clamp(30px,4vw,42px);color:var(--primary);letter-spacing:-.02em;line-height:1;}
.stat .lbl{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.4;}
.md-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:30px;box-shadow:var(--shadow-sm);}
.md-card .quote{font-family:var(--font-d);font-size:clamp(19px,2.3vw,24px);font-weight:500;line-height:1.35;letter-spacing:-.01em;color:var(--text);}
.md-who{display:flex;align-items:center;gap:16px;margin-top:24px;padding-top:22px;border-top:1px solid var(--hairline);}
.md-mono{
  flex:none;width:54px;height:54px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-family:var(--font-d);font-weight:700;font-size:18px;letter-spacing:.02em;
}
.md-who .nm{font-weight:700;font-size:16px;}
.md-who .rl{font-size:13.5px;color:var(--muted);}
.reach{margin-top:24px;}
.reach .label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);}
.reach-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.reach-chips span{font-size:13px;background:#fff;border:1px solid var(--border);border-radius:100px;padding:7px 14px;color:var(--text);}
.team-names{margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact-inner{display:grid;gap:44px;}
@media (min-width:980px){.contact-inner{grid-template-columns:1fr 1.05fr;gap:64px;align-items:start;}}
.contact-info{display:flex;flex-direction:column;gap:26px;}
.cinfo-row{display:flex;gap:16px;align-items:flex-start;}
.cinfo-ic{flex:none;width:46px;height:46px;border-radius:10px;background:var(--surface);border:1px solid var(--border);display:grid;place-items:center;color:var(--secondary);}
.cinfo-row h4{font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;}
.cinfo-row .v{font-size:17px;font-weight:600;color:var(--text);}
.cinfo-row .v a{transition:color .2s;}
.cinfo-row .v a:hover{color:var(--secondary);}
.cinfo-row .small{font-size:13.5px;color:var(--muted);margin-top:3px;}

.map-ph{
  margin-top:6px;border:1px dashed var(--border);border-radius:var(--r-lg);overflow:hidden;
  background:
    linear-gradient(rgba(25,48,95,.04),rgba(25,48,95,.04)),
    repeating-linear-gradient(0deg,transparent,transparent 38px,rgba(25,48,95,.05) 38px,rgba(25,48,95,.05) 39px),
    repeating-linear-gradient(90deg,transparent,transparent 38px,rgba(25,48,95,.05) 38px,rgba(25,48,95,.05) 39px),
    var(--surface);
  min-height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;
}
.map-ph .pin{width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--border);display:grid;place-items:center;color:var(--secondary);box-shadow:var(--shadow-sm);}
.map-ph .t{font-weight:600;font-size:15px;}
.map-ph .s{font-size:13px;color:var(--muted);max-width:36ch;}

/* Form */
.quote-panel{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:clamp(24px,3.4vw,40px);box-shadow:var(--shadow);}
.quote-panel h3{font-size:clamp(22px,3vw,28px);}
.quote-panel .pintro{color:var(--muted);font-size:15px;margin-top:8px;margin-bottom:24px;}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:560px){.form-grid{grid-template-columns:1fr 1fr;}.fg-full{grid-column:1/-1;}}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;font-weight:600;color:var(--text);}
.field label .req{color:var(--accent);}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;color:var(--text);
  padding:13px 14px;border:1px solid var(--border);border-radius:var(--r);background:var(--bg);
  transition:border-color .2s,box-shadow .2s;width:100%;
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--secondary);box-shadow:0 0 0 3px rgba(31,159,224,.16);}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#d9534f;box-shadow:0 0 0 3px rgba(217,83,79,.14);}
.err-msg{font-size:12.5px;color:#c8403b;display:none;}
.field.invalid .err-msg{display:block;}
.form-foot{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.form-note{font-size:12.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.form-note svg{flex:none;margin-top:2px;color:var(--steel);}
.form-success{display:none;text-align:center;padding:20px 0;}
.form-success.show{display:block;}
.form-success .chk{width:62px;height:62px;border-radius:50%;background:rgba(31,159,224,.12);color:var(--accent);display:grid;place-items:center;margin:0 auto 18px;}
.form-success h3{font-size:24px;}
.form-success p{color:var(--muted);margin-top:8px;}

/* =========================================================================
   CATALOGUES
   ========================================================================= */
.cat-strip{margin-top:54px;}
.cat-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.cat-head h3{font-size:clamp(22px,2.6vw,28px);}
.cat-head p{color:var(--muted);font-size:15px;margin-top:6px;}
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media (min-width:760px){.cat-grid{grid-template-columns:repeat(4,1fr);}}
.cat-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.cat-cover{aspect-ratio:8/11;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--hairline);}
.cat-cover img{width:100%;height:100%;object-fit:cover;}
.cat-info{padding:16px 16px 18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cat-info .nm{font-weight:600;font-size:15px;font-family:var(--font-d);}
.cat-info .meta{font-size:12px;color:var(--muted);}
.cat-dl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:100%;margin-top:auto;min-height:42px;padding:10px 14px;
  font-family:var(--font-b);font-weight:600;font-size:13.5px;letter-spacing:.01em;
  color:var(--primary);background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r);
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cat-dl svg{transition:transform .25s var(--ease);}
.cat-card:hover .cat-dl{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-sm);}
.cat-card:hover .cat-dl svg{transform:translateY(2px);}
.cat-dl:hover,.cat-dl:focus-visible{background:var(--primary);color:#fff;border-color:var(--primary);}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{background:var(--primary-deep);color:var(--ink-on-dark);}
.footer-top{display:grid;gap:40px;padding-block:clamp(56px,7vw,84px);}
@media (min-width:880px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}}
.footer-brand img{height:60px;width:auto;filter:brightness(0) invert(1);opacity:.96;}
.footer-brand p{font-size:14px;color:var(--muted-on-dark);margin-top:20px;max-width:34ch;line-height:1.6;}
.footer-cta{margin-top:24px;}
.fcol h4{font-family:var(--font-d);font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:18px;}
.fcol a,.fcol span.fi{display:block;font-size:14.5px;color:var(--muted-on-dark);padding:7px 0;transition:color .2s;}
.fcol a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:26px;display:flex;flex-direction:column;gap:14px;}
@media (min-width:680px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}
.footer-bottom .cp{font-size:13px;color:var(--muted-on-dark);}
.footer-social{display:flex;gap:10px;}
.footer-social a{width:40px;height:40px;border-radius:9px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:var(--ink-on-dark);transition:background .2s,border-color .2s,color .2s;}
.footer-social a:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.4);color:#fff;}

/* =========================================================================
   MOBILE STICKY ACTION BAR
   ========================================================================= */
.action-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  display:grid;grid-template-columns:1fr 1.3fr;gap:0;
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  gap:10px;
  box-shadow:0 -8px 24px -16px rgba(16,32,46,.4);
}
.action-bar .btn{min-height:50px;}
@media (min-width:1040px){.action-bar{display:none;}}
body{padding-bottom:0;}
@media (max-width:1039px){body.has-bar{padding-bottom:78px;}}

/* =========================================================================
   MODAL
   ========================================================================= */
.modal-overlay{
  position:fixed;inset:0;z-index:100;background:rgba(8,18,35,.6);backdrop-filter:blur(4px);
  display:flex;align-items:flex-start;justify-content:center;padding:24px 16px;overflow-y:auto;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.modal-overlay.open{opacity:1;pointer-events:auto;}
.modal{
  background:#fff;border-radius:var(--r-lg);max-width:620px;width:100%;margin:auto;
  box-shadow:var(--shadow-lg);transform:translateY(20px) scale(.98);transition:transform .35s var(--ease);
  overflow:hidden;
}
.modal-overlay.open .modal{transform:none;}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:26px 26px 0;}
.modal-head .eyebrow{margin-bottom:6px;}
.modal-head h3{font-size:24px;}
.modal-close{width:42px;height:42px;border-radius:9px;border:1px solid var(--border);background:#fff;display:grid;place-items:center;color:var(--muted);flex:none;transition:background .2s,color .2s;}
.modal-close:hover{background:var(--surface);color:var(--text);}
.modal-body{padding:22px 26px 28px;}

/* =========================================================================
   REVEAL ANIMATION
   ========================================================================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
}

/* small helpers */
.center{text-align:center;}
.mt-48{margin-top:48px;}
.divider{height:1px;background:var(--hairline);border:none;margin:0;}