/* ===========================================================
   PremiumSpace Doors & Windows — simple catalog
   Self-contained styles (does not use the old styles.css).
   =========================================================== */
:root{
  --navy:#0c2c66; --blue:#1b6fcf; --blue-dk:#155aa8;
  --ink:#15233d; --muted:#5b6b7c; --bg:#ffffff; --panel:#f5f8fc;
  --line:#e4ebf4; --radius:14px; --shadow:0 10px 30px rgba(12,44,102,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Montserrat",system-ui,-apple-system,Segoe UI,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.55; -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* ---- buttons ---- */
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:700;font-size:.95rem;
  transition:transform .15s,background .2s,box-shadow .2s;white-space:nowrap}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(27,111,207,.28)}
.btn--primary:hover{background:var(--blue-dk);transform:translateY(-1px)}
.btn--block{display:block;width:100%;text-align:center}
.btn--lg{padding:15px 28px;font-size:1.02rem}

/* ---- header ---- */
.hdr{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 5vw;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)}
.hdr__brand{display:flex;align-items:center;gap:12px}
.hdr__brand img{height:40px;width:auto}
.hdr__brand span{font-size:.72rem;font-weight:600;color:var(--muted);letter-spacing:.4px;
  border-left:2px solid var(--line);padding-left:12px}
.hdr__right{display:flex;align-items:center;gap:16px}
.hdr__phone{font-weight:800;color:var(--blue)}

/* ---- intro ---- */
.intro{max-width:820px;margin:0 auto;padding:52px 5vw 22px;text-align:center}
.intro h1{font-size:clamp(1.8rem,4.5vw,2.7rem);font-weight:800;color:var(--navy);line-height:1.12;letter-spacing:-.5px}
.intro p{margin:16px auto 0;max-width:640px;color:var(--muted);font-size:1.03rem}
.intro strong{color:var(--navy)}

/* ---- catalog grid ---- */
.catalog{max-width:1120px;margin:0 auto;padding:20px 5vw 10px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .15s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card__img{aspect-ratio:3/4;width:100%;object-fit:cover;background:var(--panel)}
.card__body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:4px;flex:1}
.card__name{font-weight:800;color:var(--navy);font-size:1.06rem}
.card__spec{color:var(--muted);font-size:.88rem;margin-bottom:2px}
.card__meta{color:var(--muted);font-size:.78rem;margin-top:2px}
.card__btn{margin-top:12px}

.more{max-width:760px;margin:34px auto 0;text-align:center;color:var(--muted);font-size:1rem}
.more strong{color:var(--navy)}
.more__cta{text-align:center;margin:22px 0 6px}

/* ---- quote form ---- */
.quote{padding:44px 5vw 20px}
.quote__card{max-width:560px;margin:0 auto;background:var(--panel);border:1px solid var(--line);
  border-radius:18px;padding:30px 28px}
.quote__card h2{font-size:1.6rem;font-weight:800;color:var(--navy);text-align:center}
.quote__sub{color:var(--muted);text-align:center;margin:8px 0 20px;font-size:.96rem}
.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{font-weight:600;font-size:.85rem;color:var(--ink)}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:1rem;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(27,111,207,.14)}
.invalid{border-color:#e2564d;box-shadow:0 0 0 3px rgba(226,86,77,.14)}
textarea{resize:vertical}
.fineprint{text-align:center;color:var(--muted);font-size:.8rem;margin-top:12px}
.reassure{background:#eef5ff;border:1px solid #d5e6fb;border-radius:10px;padding:11px 14px;
  color:var(--ink);font-size:.86rem;text-align:center;margin:4px 0 14px}
.reassure strong{color:var(--navy)}

/* ---- footer ---- */
.ftr{margin-top:40px;padding:34px 5vw;border-top:1px solid var(--line);text-align:center;
  color:var(--muted);font-size:.86rem;background:var(--panel)}
.ftr p{margin:4px 0}
.ftr a{color:var(--blue);font-weight:600}
.ftr__links a{color:var(--muted)}
.ftr__copy{margin-top:10px;font-size:.78rem}

/* ---- modals ---- */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:flex-start;justify-content:center;padding:24px}
.modal.open{display:flex}
.modal__bg{position:absolute;inset:0;background:rgba(9,20,40,.55)}
.modal__box{position:relative;background:#fff;border-radius:18px;max-width:520px;width:100%;
  margin:auto;padding:28px 26px;box-shadow:0 30px 70px rgba(0,0,0,.3);max-height:92vh;overflow:auto}
.modal__box h3{font-size:1.45rem;font-weight:800;color:var(--navy);text-align:center}
.modal__x{position:absolute;top:12px;right:16px;font-size:1.7rem;color:var(--muted);line-height:1}
.modal__box--center{text-align:center;max-width:420px}
.modal__box--center p{color:var(--muted);margin:10px 0 18px}
.modal__box--center a{color:var(--blue);font-weight:700}
.ok__check{width:60px;height:60px;border-radius:50%;background:#e8f3ea;color:#2ea25a;font-size:32px;
  font-weight:800;display:flex;align-items:center;justify-content:center;margin:4px auto 12px}

/* ---- floating call button (mobile) ---- */
.fab{position:fixed;right:18px;bottom:18px;z-index:50;width:54px;height:54px;border-radius:50%;
  background:var(--blue);color:#fff;display:none;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(27,111,207,.4)}
.fab svg{width:24px;height:24px}

/* ---- responsive ---- */
@media (max-width:900px){ .grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:560px){
  .grid{grid-template-columns:1fr 1fr;gap:14px}
  .hdr__phone{display:none}
  .row{grid-template-columns:1fr}
  .fab{display:flex}
  .intro{padding-top:36px}
  .card__btn{display:none} /* on tiny screens the whole card opens the quote */
}