/*
Theme Name: TechFile
Theme URI: https://techfile.io
Author: TechFile
Description: A professional blue-and-green corporate theme for TechFile — a water and energy saving company. Hero, stats, about, benefits, product portfolio, industries, recognitions, blog and contact sections in the style of a modern industrial solutions website.
Version: 1.1.0
Text Domain: techfile
*/

:root{
  --blue:#0b3c5d; --blue-2:#08304d; --blue-3:#0e7cc4;
  --green:#2ea44f; --green-2:#37b34d; --ink:#17303f; --muted:#5b7183;
  --bg:#f4f9fb; --line:#dcebf2; --paper:#ffffff;
  --radius:14px; --shadow:0 10px 30px rgba(8,48,77,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:16.5px}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-3)}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{color:var(--blue-2);line-height:1.25;margin:0 0 12px}
p{margin:0 0 14px}

/* ---------- Top bar + header ---------- */
.topbar{background:var(--blue-2);color:#cfe6f2;font-size:13.5px;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.topbar a{color:#9fd08b;text-decoration:none;font-weight:600}
.site-header{background:#fff;box-shadow:0 2px 14px rgba(8,48,77,.08);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.branding{display:flex;align-items:center;gap:12px}
.custom-logo-link{flex:0 0 auto;line-height:0}
.custom-logo{width:52px;height:52px;max-width:52px;max-height:52px;object-fit:contain;display:block}
.site-title{font-size:27px;font-weight:800;margin:0;line-height:1.05}
.site-title a{color:var(--blue-2);text-decoration:none}
.site-title a span{color:var(--green)}
.site-desc{margin:2px 0 0;color:var(--muted);font-size:13px}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;flex-wrap:wrap}
.main-nav a{color:var(--blue-2);text-decoration:none;font-weight:600;font-size:15.5px}
.main-nav a:hover{color:var(--green)}
.btn{display:inline-block;background:var(--green);color:#fff!important;text-decoration:none;font-weight:700;padding:12px 24px;border-radius:30px;box-shadow:0 6px 16px rgba(46,164,79,.35)}
.btn:hover{background:var(--green-2)}
.btn.blue{background:var(--blue-3);box-shadow:0 6px 16px rgba(14,124,196,.3)}
.btn.ghost{background:transparent;border:2px solid #fff;box-shadow:none}
.header-cta{flex:0 0 auto}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(120deg,var(--blue-2) 0%,var(--blue) 55%,var(--blue-3) 100%);color:#fff;padding:64px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.hero .kicker{display:inline-block;background:rgba(55,179,77,.18);border:1px solid rgba(55,179,77,.55);color:#b9ecc4;font-weight:700;font-size:13.5px;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:30px;margin-bottom:18px}
.hero h1{color:#fff;font-size:42px;margin:0 0 16px}
.hero h1 span{color:#7fd08f}
.hero p{color:#d6e9f3;font-size:18px;max-width:34em}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px}
.hero img{border-radius:18px;box-shadow:0 24px 50px rgba(0,0,0,.35)}

/* ---------- Stats band ---------- */
.stats{background:var(--green);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-top:26px;padding-bottom:26px}
.stat{text-align:center;padding:6px 8px}
.stat .num{font-size:30px;font-weight:800;line-height:1.1}
.stat .lbl{font-size:14px;color:#e2f5e7}

/* ---------- Sections ---------- */
.section{padding:64px 0}
.section.alt{background:var(--bg)}
.kicker-sm{color:var(--green);font-weight:800;letter-spacing:.07em;text-transform:uppercase;font-size:13.5px;margin:0 0 6px}
.section-title{font-size:32px;margin-bottom:10px}
.section-sub{color:var(--muted);max-width:46em}
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center}
.about-grid img{border-radius:16px;box-shadow:var(--shadow)}
.checks{list-style:none;margin:16px 0 0;padding:0}
.checks li{padding:7px 0 7px 30px;position:relative;font-weight:600;color:var(--blue-2)}
.checks li:before{content:"✓";position:absolute;left:0;top:7px;width:21px;height:21px;border-radius:50%;background:var(--green);color:#fff;font-size:13px;text-align:center;line-height:21px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:0 4px 14px rgba(8,48,77,.05)}
.card .ico{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--blue-3),var(--green));color:#fff;font-size:24px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card h3{font-size:18.5px}
.card p{color:var(--muted);font-size:15px;margin:0}
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:30px}
.product{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 14px rgba(8,48,77,.05)}
.product img{width:100%;height:230px;object-fit:cover}
.product .body{padding:20px 22px 24px}
.product h3{font-size:20px}
.product p{color:var(--muted);font-size:15.5px}
.more{font-weight:700;text-decoration:none;color:var(--green)}
.more:hover{text-decoration:underline}
.industries-img{border-radius:16px;box-shadow:var(--shadow);width:100%;height:320px;object-fit:cover}
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.chip{background:#fff;border:1.5px solid var(--blue-3);color:var(--blue-2);font-weight:700;padding:10px 18px;border-radius:30px;font-size:15px}
.badges{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}
.badge{flex:1 1 180px;text-align:center;border:1.5px dashed var(--green);border-radius:var(--radius);padding:18px 10px;color:var(--blue-2);font-weight:800;background:#fff}
.badge small{display:block;color:var(--muted);font-weight:600;margin-top:4px}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 14px rgba(8,48,77,.05)}
.post-card img{width:100%;height:180px;object-fit:cover}
.post-card .body{padding:18px 20px 20px}
.post-card h3{font-size:18px}
.post-card h3 a{color:var(--blue-2);text-decoration:none}
.post-card .meta{color:var(--muted);font-size:13.5px;margin-bottom:8px}
.post-card p{color:var(--muted);font-size:15px}
.cta{background:linear-gradient(120deg,var(--green) 0%,var(--blue-3) 100%);color:#fff;text-align:center;padding:56px 0}
.cta h2{color:#fff;font-size:30px}
.cta p{color:#e8f6ec;max-width:40em;margin:0 auto 22px}

/* ---------- Pages & posts ---------- */
.page-banner{background:linear-gradient(120deg,var(--blue-2),var(--blue-3));color:#fff;padding:46px 0}
.page-banner h1{color:#fff;font-size:34px;margin:0}
.page-banner .sub{color:#cfe6f2;margin-top:6px}
.page-body{padding:48px 0 60px}
.page-body .content{max-width:820px}
.page-body h2{margin-top:30px;font-size:25px}
.page-body h3{margin-top:24px}
.banner-img{width:100%;height:340px;object-fit:cover;border-radius:16px;box-shadow:var(--shadow);margin-bottom:30px}
.article{max-width:820px;margin:0 auto;padding:44px 20px 60px}
.article h1{font-size:32px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:18px}
.article img{border-radius:12px}
.article h2{margin-top:28px;font-size:24px}
.blog-head{padding:48px 0 6px}
.pagination{display:flex;gap:8px;justify-content:center;padding:10px 0 54px}
.pagination a,.pagination span{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 14px;text-decoration:none;color:var(--blue-2);font-weight:600}
.pagination .current{background:var(--blue-3);color:#fff;border-color:var(--blue-3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--blue-2);color:#c4d9e8;margin-top:0}
.site-footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:28px;padding:44px 0 12px}
.site-footer h3{color:#fff;font-size:16.5px;border-bottom:3px solid var(--green);padding-bottom:8px;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:7px 0}
.site-footer a{color:#c4d9e8;text-decoration:none}
.site-footer a:hover{color:#7fd08f}
.copyright{border-top:1px solid rgba(255,255,255,.14);padding:15px 0 18px;font-size:13.5px;color:#93aec4;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero-grid,.about-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .products{grid-template-columns:1fr}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .site-footer .cols{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:34px}
}
@media (max-width:600px){
  .cards,.posts-grid,.site-footer .cols{grid-template-columns:1fr}
  .site-header .wrap{flex-direction:column;justify-content:center;text-align:center}
  .branding{justify-content:center}
  .main-nav ul{justify-content:center;gap:8px 16px}
  .hero{padding:44px 0 48px}
  .hero h1{font-size:29px}
  .section{padding:44px 0}
  .section-title{font-size:26px}
  .banner-img{height:220px}
}