/*
Theme Name: PDFDart App Hub
Theme URI: https://pdfdart.com/
Author: SS Utility Lab
Author URI: https://pdfdart.com/
Description: A lightweight dark WordPress theme for the Concrete Calculator & Cost developer site, including support, privacy, legal pages, and AdMob app-ads.txt delivery.
Version: 1.0.5
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pdfdart-app-hub
*/
:root{
  --bg:#07111f;--bg-2:#0b1728;--panel:#101d30;--panel-2:#13233a;--line:#223651;
  --text:#f4f8ff;--muted:#aec2df;--blue:#7aa7ff;--blue-2:#a8c4ff;--green:#5fe08f;
  --green-2:#2bc56f;--shadow:0 24px 80px rgba(0,0,0,.28);--radius:22px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 18% 0%,rgba(67,112,190,.20),transparent 32%),linear-gradient(180deg,#081322 0%,#06101d 48%,#050d18 100%);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:var(--blue-2);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(6,15,27,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(113,146,194,.14)}body.admin-bar .site-header{top:32px}.header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#f8fbff 0 48%,#7aa7ff 48% 100%);box-shadow:0 7px 22px rgba(122,167,255,.22)}.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:20px}.nav-toggle{display:none;width:44px;height:44px;padding:10px;border:1px solid rgba(145,176,223,.18);border-radius:12px;background:#0f1d30;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#e8f0fb;transition:transform .2s ease,opacity .2s ease}.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav a{color:#cad8ed;font-size:.95rem}.nav a:hover{color:#fff;text-decoration:none}.hero{padding:76px 0 46px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}.kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(122,167,255,.28);background:rgba(55,92,151,.15);border-radius:999px;color:#9fc0ff;font-size:.76rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 6px rgba(95,224,143,.10)}h1{font-size:clamp(3rem,7vw,6.3rem);line-height:.94;letter-spacing:-.065em;margin:20px 0 24px;max-width:850px}.hero p{font-size:clamp(1.05rem,2vw,1.25rem);color:var(--muted);max-width:680px;margin:0 0 30px}.actions{display:flex;flex-wrap:wrap;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 18px;border-radius:12px;font-weight:800;border:1px solid transparent;transition:.2s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:#f7f9fd;color:#08111d;box-shadow:0 10px 32px rgba(255,255,255,.08)}.btn-secondary{background:#101d30;border-color:#243853;color:#fff}.hero-card{padding:14px;border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border:1px solid rgba(145,176,223,.16);box-shadow:var(--shadow)}.hero-card img{border-radius:20px;width:100%;aspect-ratio:1024/500;object-fit:cover}.section{padding:58px 0}.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:26px}.section h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 8px}.section-copy{color:var(--muted);max-width:720px;margin:0}.app-panel{display:grid;grid-template-columns:150px 1fr;gap:28px;padding:28px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(18,34,56,.96),rgba(11,24,41,.98));border:1px solid var(--line);box-shadow:var(--shadow)}.app-icon{width:150px;border-radius:32px;box-shadow:0 18px 42px rgba(0,0,0,.28)}.app-panel h3{font-size:2rem;line-height:1.05;margin:0 0 10px;letter-spacing:-.035em}.app-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.pill{padding:6px 10px;border-radius:999px;background:#142947;border:1px solid #294669;color:#bdd2f5;font-size:.78rem;font-weight:700}.pill.green{background:rgba(43,197,111,.11);border-color:rgba(95,224,143,.34);color:#9cf1ba}.feature-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0 0;padding:0;list-style:none}.feature-list li{padding:14px;border-radius:14px;background:rgba(255,255,255,.025);border:1px solid rgba(129,160,207,.12);color:#dbe6f6;font-weight:700;text-align:center}.cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:28px;border-radius:18px;background:linear-gradient(135deg,rgba(29,63,104,.5),rgba(14,30,49,.9));border:1px solid #294460}.cta h3{margin:0 0 6px;font-size:1.4rem}.cta p{margin:0;color:var(--muted)}.notice{padding:16px 18px;border-radius:14px;background:rgba(71,157,116,.10);border:1px solid rgba(93,209,146,.18);color:#cfeedd}.page-hero{padding:64px 0 24px}.page-hero h1{font-size:clamp(2.8rem,6vw,5rem);max-width:900px}.page-hero p{color:var(--muted);font-size:1.12rem;max-width:760px}.prose{max-width:860px;padding:20px 0 68px}.prose h2{margin:34px 0 12px;font-size:1.7rem;letter-spacing:-.025em}.prose h3{margin:26px 0 8px}.prose p,.prose li{color:#c6d5e9}.prose ul{padding-left:20px}.prose code{background:#101d30;padding:2px 6px;border-radius:6px;color:#ddebff}.prose .callout{padding:18px;border:1px solid var(--line);border-radius:14px;background:#0d1a2b}.app-detail{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-top:24px}.app-detail img{border-radius:24px;border:1px solid var(--line);box-shadow:var(--shadow)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:24px;border-radius:18px;background:linear-gradient(180deg,rgba(18,34,56,.92),rgba(11,24,41,.96));border:1px solid var(--line)}.card h3{margin:0 0 8px;font-size:1.2rem}.card p{margin:0;color:var(--muted)}.app-title{font-size:2rem;line-height:1.05;letter-spacing:-.035em;margin:0 0 10px}
.site-footer{border-top:1px solid rgba(132,161,203,.13);padding:34px 0 42px;margin-top:40px}.footer-grid{display:grid;grid-template-columns:1fr auto auto;gap:28px;align-items:start}.footer-title{font-weight:800;margin-bottom:5px}.footer-copy{color:var(--muted);font-size:.92rem}.footer-links{display:flex;flex-wrap:wrap;gap:14px}.copyright{color:#9eb2ce;font-size:.9rem;text-align:right}.small{font-size:.9rem;color:var(--muted)}.generic-content{padding:64px 0}.generic-content article{max-width:860px}.generic-content h1{font-size:clamp(2.6rem,5vw,4.6rem)}.generic-content .entry-content{color:#c6d5e9}.error-page{padding:100px 0;text-align:center}.error-page h1{margin-inline:auto}.error-page p{color:var(--muted);font-size:1.1rem}.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.hero-grid,.app-detail{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.hero{padding-top:54px}.hero-card{order:-1}.feature-list{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr}.copyright{text-align:left}.app-panel{grid-template-columns:110px 1fr}.app-icon{width:110px}.nav{gap:12px}}
@media(max-width:782px){body.admin-bar .site-header{top:46px}}

@media(max-width:700px){.header-row{min-height:64px;padding:10px 0;align-items:center}.brand{font-size:1rem}.nav-toggle{display:flex;margin-left:auto}.nav{display:none;position:absolute;top:calc(100% + 1px);left:0;right:0;z-index:30;flex-direction:column;align-items:stretch;gap:0;padding:10px;background:#091525;border:1px solid rgba(145,176,223,.16);border-radius:0 0 16px 16px;box-shadow:0 22px 46px rgba(0,0,0,.36)}.nav.is-open{display:flex}.nav a{display:block;padding:13px 12px;border-radius:10px;font-size:1rem}.nav a:hover,.nav a:focus{background:#12233a}.hero{padding-top:34px}.hero-card{order:initial}.hero h1{font-size:clamp(2.55rem,12vw,3.45rem);line-height:.98;letter-spacing:-.055em}.hero p{font-size:1rem}.kicker{font-size:.7rem}.site-header{backdrop-filter:blur(20px)}}
@media(max-width:620px){.container{width:min(100% - 28px,var(--max))}.header-row{align-items:center;padding:10px 0}.nav{font-size:.9rem;justify-content:flex-start}.brand-mark{width:28px;height:28px}.hero{padding-top:42px}.hero-grid{gap:28px}.hero-card{padding:8px;border-radius:18px}.hero-card img{border-radius:14px}.app-panel{grid-template-columns:1fr;padding:20px}.app-icon{width:96px;border-radius:22px}.feature-list{grid-template-columns:1fr}.section{padding:42px 0}.section-heading{align-items:start;flex-direction:column}.cta{grid-template-columns:1fr}.actions .btn{width:100%}.footer-links{flex-direction:column;gap:7px}}


/* Contact form */
.contact-wrap{max-width:900px}.contact-card{padding:28px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(18,34,56,.96),rgba(11,24,41,.98));border:1px solid var(--line);box-shadow:var(--shadow)}
.support-form{display:grid;gap:16px;margin-top:24px}.support-form label{display:grid;gap:7px;color:#e7effa;font-weight:700}.support-form label span{font-size:.92rem}.support-form input,.support-form select,.support-form textarea{width:100%;border:1px solid #2a4160;border-radius:12px;background:#091727;color:#f4f8ff;padding:12px 14px;font:inherit;outline:none}.support-form input:focus,.support-form select:focus,.support-form textarea:focus{border-color:#7aa7ff;box-shadow:0 0 0 3px rgba(122,167,255,.13)}.support-form textarea{resize:vertical;min-height:150px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-status{margin-bottom:18px;padding:14px 16px;border-radius:12px;background:#13233a;border:1px solid #294669;color:#dbe8f8}.form-status.success{background:rgba(43,197,111,.10);border-color:rgba(95,224,143,.34);color:#baf4ce}.form-status.error{background:rgba(219,84,84,.10);border-color:rgba(242,108,108,.28);color:#ffd0d0}.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}.support-form .btn{justify-self:start;border:0;cursor:pointer}.support-form .btn:hover{transform:translateY(-1px)}
@media(max-width:620px){.form-grid{grid-template-columns:1fr}.contact-card{padding:20px}.support-form .btn{width:100%}}