/* ==========================================================
   Online Window Screens - Main Stylesheet
   ----------------------------------------------------------
   CHANGE LOG
   2026-11-13  First version for the new HTML site (replaces WordPress theme)
   ========================================================== */

/* ===== 1. BASE / COLORS ===== */
:root{
  --blue:#0b5fa5;
  --blue-dark:#083f6e;
  --sky:#a8dcf0;
  --sky-light:#e9f6fc;
  --red:#d7262b;
  --ink:#1d2a36;
  --muted:#5b6b78;
  --line:#d8e3ea;
  --white:#fff;
  --radius:10px;
  --shadow:0 4px 18px rgba(8,63,110,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.6;background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
h1,h2,h3{line-height:1.2;color:var(--blue-dark);margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,3rem)}
h2{font-size:clamp(1.5rem,3.2vw,2.2rem)}
h3{font-size:1.2rem}
.wrap{width:min(1140px,92%);margin:0 auto}
.section{padding:56px 0}
.section.alt{background:var(--sky-light)}
.center{text-align:center}
.lead{font-size:1.1rem;color:var(--muted);max-width:760px}
.center .lead{margin-left:auto;margin-right:auto}

/* ===== 2. BUTTONS ===== */
.btn{display:inline-block;background:var(--blue);color:var(--white);padding:13px 26px;border-radius:6px;text-decoration:none;font-weight:700;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--blue-dark)}
.btn.red{background:var(--red)}
.btn.red:hover{background:#a81c20}
.btn.ghost{background:transparent;border:2px solid var(--white)}
.btn.ghost:hover{background:rgba(255,255,255,.15)}

/* ===== 3. TOP BAR + HEADER + MENU ===== */
.topbar{background:var(--blue-dark);color:#dbe9f5;font-size:.9rem}
.topbar .wrap{display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:space-between;padding:7px 0}
.topbar a{color:var(--white);text-decoration:none;font-weight:600}
.site-header{background:var(--sky);position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0}
.logo img{height:72px;width:auto}
.menu-toggle{display:none;background:var(--blue);color:#fff;border:0;border-radius:6px;padding:9px 14px;font-size:1rem;cursor:pointer}
.main-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0;align-items:center}
.main-nav a{display:block;padding:10px 12px;text-decoration:none;color:var(--blue-dark);font-weight:600;border-radius:6px}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.55)}
.main-nav a.nav-cta{background:var(--red);color:#fff}
@media (max-width:860px){
  .menu-toggle{display:block}
  .main-nav{display:none;width:100%}
  .main-nav.open{display:block}
  .site-header .wrap{flex-wrap:wrap}
  .main-nav ul{flex-direction:column;align-items:stretch;padding-bottom:10px}
}

/* ===== 4. HERO ===== */
.hero{position:relative;color:var(--white);background:#0d2236 center/cover no-repeat;min-height:460px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,40,70,.88),rgba(8,40,70,.45))}
.hero .wrap{position:relative;padding:70px 0}
.hero h1{color:var(--white);max-width:700px}
.hero p{font-size:1.2rem;max-width:620px;color:#e3eef7}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.page-hero{background:var(--blue-dark);color:#fff;padding:46px 0}
.page-hero h1{color:#fff;margin:0}
.page-hero p{color:#cfe1f0;margin:.4em 0 0}

/* ===== 5. FEATURE STRIP ===== */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:-40px;position:relative}
.feature{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;border-top:4px solid var(--blue)}
.feature h3{margin-bottom:.3em}
.feature p{margin:0;color:var(--muted)}

/* ===== 6. CARDS (products, mesh, guides) ===== */
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:28px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.card .body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.card .body p{color:var(--muted);flex:1}
.card .body .btn{align-self:flex-start;margin-top:8px}
.mesh{background:#fff;border-left:4px solid var(--blue);border-radius:8px;padding:16px 18px;box-shadow:var(--shadow)}
.mesh p{margin:0;color:var(--muted)}

/* ===== 7. FRAME COLOR SWATCHES ===== */
.swatches{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin-top:24px}
.swatch{text-align:center;font-weight:600}
.swatch span{display:block;width:74px;height:74px;border-radius:50%;margin:0 auto 8px;border:3px solid #fff;box-shadow:0 0 0 1px var(--line),var(--shadow)}
.sw-mill{background:linear-gradient(135deg,#d9dde0,#a9b0b5)}
.sw-white{background:#fafafa}
.sw-bronze{background:#5a4430}
.sw-almond{background:#e8dcc4}
.sw-black{background:#1b1b1b}

/* ===== 8. SPLIT ROWS (image + text) ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
@media (max-width:800px){.split{grid-template-columns:1fr}}

/* ===== 9. CALL-TO-ACTION BAND ===== */
.cta-band{background:var(--blue);color:#fff;padding:40px 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.cta-band h2{color:#fff;margin:0}
.cta-band p{margin:.3em 0 0;color:#dceaf6}

/* ===== 10. FORMS ===== */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}
label{display:block;font-weight:600;margin-bottom:5px;font-size:.95rem}
label .req{color:var(--red)}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid #b9c8d3;border-radius:6px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sky);border-color:var(--blue)}
textarea{min-height:120px}
.help{font-size:.85rem;color:var(--muted);margin-top:4px}
.hp-field{position:absolute;left:-9999px}
.form-status{margin-top:14px;padding:12px 14px;border-radius:6px;display:none}
.form-status.ok{display:block;background:#e3f6e8;color:#145c2a}
.form-status.err{display:block;background:#fde8e8;color:#8a1c1c}
fieldset{border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin:0 0 18px}
legend{font-weight:700;color:var(--blue-dark);padding:0 6px}
.size-row{display:grid;grid-template-columns:2fr 1.4fr;gap:10px}
.radio-row{display:flex;flex-wrap:wrap;gap:10px}
.radio-row label{display:flex;align-items:center;gap:7px;font-weight:500;border:1px solid var(--line);border-radius:6px;padding:8px 12px;cursor:pointer;margin:0}
.radio-row input{width:auto}
.summary{background:var(--sky-light);border-radius:8px;padding:16px 18px;margin-top:10px}
.summary ul{margin:.3em 0 0;padding-left:1.2em}
.notice{background:#fff7e0;border:1px solid #f0d58a;border-radius:8px;padding:12px 16px}

/* ===== 11. GUIDE / ARTICLE CONTENT ===== */
.guide{scroll-margin-top:110px}
.guide ol li,.guide ul li{margin-bottom:.45em}
.tip{background:var(--sky-light);border-left:4px solid var(--blue);padding:12px 16px;border-radius:6px}
.guide-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.guide-nav a{background:#fff;border:1px solid var(--line);border-radius:30px;padding:8px 16px;text-decoration:none;font-weight:600}

/* ===== 12. CONTACT INFO ===== */
.info-list{list-style:none;padding:0;margin:0}
.info-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.info-list strong{display:block;color:var(--blue-dark)}

/* ===== 13. FOOTER ===== */
.site-footer{background:#0b1d2c;color:#b8c7d3;padding:44px 0 0;font-size:.95rem}
.site-footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px}
.site-footer h3{color:#fff;font-size:1.05rem}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer a{color:#dbe8f2;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer .bottom{border-top:1px solid #23394b;margin-top:30px;padding:16px 0;text-align:center;font-size:.85rem}
.social{display:flex;gap:10px;margin-top:10px}
.social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:#1d3a52}
.social svg{width:18px;height:18px;fill:#fff}