/*
Theme Name: CAD Solution IT Institute
Theme URI: https://cadsolutionit.com/
Author: CAD Solution IT Institute
Description: Conversion-focused responsive EdTech theme for CAD Solution IT Institute. Preserves the existing visual system while supporting custom courses, blog, WordPress blocks and Elementor-compatible editing.
Version: 13.0.0
Requires at least: 6.4
Requires PHP: 7.4
Text Domain: cad-solution-it
*/
:root{--bg-primary:#F9FAFB;--bg-surface:#fff;--bg-elevated:#FFF5F5;--text-primary:#1A1A1A;--text-secondary:#4B5563;--accent:#E31B23;--accent-hover:#B80F16;--success:#059669;--amber:#D97706;--border:#E5E7EB;--shadow:0 18px 50px rgba(26,26,26,.08);--shadow-sm:0 8px 24px rgba(26,26,26,.07);--radius:22px;--radius-sm:14px;--container:1180px;--header-h:78px;--transition:300ms ease}
html[data-theme="dark"]{--bg-primary:#0F0A0A;--bg-surface:#1C1414;--bg-elevated:#2B1A1A;--text-primary:#F9FAFB;--text-secondary:#C0B5B5;--accent:#FF3B30;--accent-hover:#E31B23;--border:#2D2020;--shadow:0 18px 55px rgba(0,0,0,.32);--shadow-sm:0 8px 25px rgba(0,0,0,.25)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-primary);color:var(--text-primary);font-family:"Hind Siliguri",Inter,system-ui,sans-serif;font-size:16px;line-height:1.65;transition:background var(--transition),color var(--transition)}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(var(--container),calc(100% - 36px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.section{padding:86px 0}.section--tight{padding:58px 0}.section--tint{background:var(--bg-elevated)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;font-size:14px;letter-spacing:.02em}.eyebrow:before{content:"";width:24px;height:3px;border-radius:99px;background:var(--accent)}h1,h2,h3,h4{line-height:1.18;margin:0 0 14px;letter-spacing:-.02em}h1{font-size:clamp(2.25rem,5vw,4.35rem)}h2{font-size:clamp(1.8rem,3.5vw,2.75rem)}h3{font-size:1.35rem}p{margin:0 0 14px;color:var(--text-secondary)}.lead{font-size:18px;max-width:680px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 19px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:transform var(--transition),background var(--transition),border-color var(--transition),box-shadow var(--transition)}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 12px 28px rgba(227,27,35,.22)}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-surface);border-color:var(--border);color:var(--text-primary)}.btn-ghost{color:var(--accent);padding-inline:0}.btn-small{min-height:40px;padding:9px 13px;border-radius:11px;font-size:14px}.card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--bg-elevated);color:var(--accent);font-size:13px;font-weight:700}.muted{color:var(--text-secondary)}
.notice{background:#181212;color:#fff;font-size:13px}.notice .container{min-height:38px;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}.notice a{color:#fff}.notice strong{color:#FFB3B6}.topline{background:var(--accent);color:#fff;font-size:13px}.topline .container{display:flex;justify-content:space-between;gap:14px;min-height:34px;align-items:center;flex-wrap:wrap}.topline-links{display:flex;gap:18px;flex-wrap:wrap}.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg-surface) 82%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.header-inner{min-height:var(--header-h);display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;min-width:230px}.brand-mark{width:44px;height:44px;border-radius:13px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(227,27,35,.24)}.brand-title{font-size:18px;font-weight:800;line-height:1.05}.brand-tag{font-size:11px;color:var(--text-secondary)}.main-nav{margin-left:auto}.main-nav ul{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0}.main-nav a{display:inline-flex;padding:9px 10px;border-radius:10px;font-weight:600;font-size:14px}.main-nav a:hover{background:var(--bg-elevated);color:var(--accent)}.header-actions{display:flex;align-items:center;gap:8px}.theme-toggle,.menu-toggle{width:42px;height:42px;border:1px solid var(--border);border-radius:12px;background:var(--bg-surface);color:var(--text-primary);display:grid;place-items:center}.menu-toggle{display:none}.hero{position:relative;overflow:hidden;padding:74px 0 66px;background:radial-gradient(circle at 85% 15%,rgba(227,27,35,.18),transparent 34%),radial-gradient(circle at 10% 80%,rgba(227,27,35,.08),transparent 30%)}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}.hero-copy .pill{margin-bottom:18px}.hero-copy h1 span{color:var(--accent)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.hero-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px}.trust-item{display:flex;align-items:center;gap:9px;color:var(--text-secondary);font-size:14px}.trust-dot{width:9px;height:9px;background:var(--success);border-radius:50%;box-shadow:0 0 0 5px rgba(5,150,105,.1)}.hero-visual{position:relative}.hero-card{padding:24px;border-radius:30px;background:linear-gradient(145deg,var(--bg-surface),var(--bg-elevated));border:1px solid var(--border);box-shadow:var(--shadow)}.hero-card-top{display:flex;justify-content:space-between;gap:15px;margin-bottom:22px}.mini-stat{padding:14px;border:1px solid var(--border);border-radius:16px;background:var(--bg-surface)}.mini-stat strong{font-size:25px;display:block}.mini-stat small{color:var(--text-secondary)}.hero-art{min-height:290px;border-radius:24px;background:linear-gradient(135deg,#231010 0%,#4d1518 42%,#E31B23 100%);display:flex;align-items:end;padding:25px;color:#fff;position:relative;overflow:hidden}.hero-art:before,.hero-art:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:50%}.hero-art:before{width:340px;height:340px;right:-100px;top:-130px}.hero-art:after{width:220px;height:220px;left:-90px;bottom:-120px}.blueprint{position:relative;z-index:1;width:100%;padding:20px;border-radius:18px;background:rgba(0,0,0,.2);backdrop-filter:blur(8px)}.blueprint strong{font-size:22px}.stats-bar{margin-top:-20px;position:relative;z-index:3}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}.stat{padding:24px;text-align:center;border-right:1px solid var(--border)}.stat:last-child{border-right:0}.stat strong{font-size:28px;display:block;color:var(--accent)}.stat span{color:var(--text-secondary);font-size:14px}
.filter-tabs{display:flex;gap:9px;overflow:auto;padding-bottom:5px}.filter-tab{white-space:nowrap;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-primary);padding:10px 15px;border-radius:999px;font-weight:700}.filter-tab.is-active,.filter-tab:hover{background:var(--accent);border-color:var(--accent);color:#fff}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-card{overflow:hidden;display:flex;flex-direction:column}.course-media{height:190px;background:linear-gradient(135deg,#221010,#E31B23);position:relative;display:grid;place-items:center;color:#fff}.course-media img{width:100%;height:100%;object-fit:cover}.course-icon{font-size:48px;font-weight:900;opacity:.9}.course-badge{position:absolute;top:14px;left:14px;background:#fff;color:var(--accent);padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.course-body{padding:20px;display:flex;flex-direction:column;flex:1}.course-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:10px}.course-meta span{padding:5px 8px;background:var(--bg-elevated);border-radius:8px;font-size:12px;color:var(--text-secondary)}.course-fees{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}.fee-box{padding:12px;border:1px solid var(--border);border-radius:12px}.fee-box small{display:block;color:var(--text-secondary)}.fee-box strong{font-size:18px}.course-footer{display:flex;gap:8px;margin-top:auto}.offer{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;padding:30px;border-radius:24px;background:linear-gradient(110deg,#E31B23,#B80F16);color:#fff;box-shadow:0 18px 50px rgba(227,27,35,.22)}.offer p{color:#ffe7e8}.offer .btn{background:#fff;color:#1A1A1A}.icon-card{padding:24px}.icon-bullet{width:48px;height:48px;border-radius:14px;background:var(--bg-elevated);color:var(--accent);display:grid;place-items:center;font-weight:900;font-size:20px;margin-bottom:16px}.why-grid .card{padding:24px}.step-grid{position:relative}.step-grid:before{content:"";position:absolute;top:40px;left:10%;right:10%;height:2px;background:var(--border)}.step{position:relative;text-align:center}.step-num{width:80px;height:80px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:var(--bg-surface);border:2px solid var(--accent);color:var(--accent);font-weight:900;font-size:22px;position:relative;z-index:1}.software-cloud{display:flex;gap:10px;flex-wrap:wrap}.tech{padding:12px 15px;border:1px solid var(--border);border-radius:12px;background:var(--bg-surface);font-weight:700}.portfolio-card{overflow:hidden}.portfolio-thumb{aspect-ratio:4/3;background:linear-gradient(135deg,#2b1111,#e31b23);display:grid;place-items:center;color:#fff;font-size:42px}.portfolio-body{padding:18px}.mentor-card{padding:20px;text-align:center}.avatar{width:92px;height:92px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,#E31B23,#7e1014);display:grid;place-items:center;color:#fff;font-size:30px;font-weight:900;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.rating{color:var(--amber);letter-spacing:2px}.review-card{padding:24px}.review-source{font-size:13px;color:var(--text-secondary);display:flex;justify-content:space-between}.gallery-card{overflow:hidden;cursor:pointer}.gallery-thumb{aspect-ratio:4/3;background:linear-gradient(135deg,#241010,#B80F16);display:grid;place-items:center;color:#fff;font-size:34px}.batch-card{padding:22px}.batch-row{display:flex;justify-content:space-between;gap:15px;padding:11px 0;border-bottom:1px dashed var(--border)}.batch-row:last-child{border-bottom:0}.blog-card{overflow:hidden}.blog-thumb{height:170px;background:linear-gradient(135deg,#2a1010,#e31b23)}.blog-body{padding:20px}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--border);border-radius:14px;background:var(--bg-surface);overflow:hidden}.faq-q{width:100%;padding:18px 20px;background:none;border:0;color:var(--text-primary);display:flex;justify-content:space-between;text-align:left;font-weight:700}.faq-a{padding:0 20px 18px;display:none}.faq-item.is-open .faq-a{display:block}.estimator{padding:28px}.estimator-controls{display:grid;grid-template-columns:1fr 1fr;gap:18px}.range-value{font-size:34px;font-weight:900;color:var(--accent)}.verify-box{display:grid;grid-template-columns:1fr auto;gap:10px;max-width:760px}.verify-box input{min-height:52px;padding:12px 16px;border:1px solid var(--border);border-radius:13px;background:var(--bg-surface);color:var(--text-primary)}.map-card{min-height:330px;border-radius:24px;background:linear-gradient(135deg,#271313,#5b1b1f);color:#fff;padding:30px;display:flex;align-items:end;position:relative;overflow:hidden}.map-card:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:42px 42px;transform:rotate(-8deg) scale(1.2)}.map-content{position:relative;z-index:1}.final-cta{padding:70px 0;background:linear-gradient(120deg,#1b0d0e,#E31B23);color:#fff}.final-cta p{color:#ffe6e7}.site-footer{padding:60px 0 24px;background:#160c0c;color:#fff}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}.footer-title{font-weight:800;font-size:17px;margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links a{color:#cbbaba}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#ad9d9d;font-size:13px}
.modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:18px;background:rgba(0,0,0,.65);backdrop-filter:blur(8px)}.modal.is-open{display:grid}.modal-dialog{width:min(720px,100%);max-height:90vh;overflow:auto;background:var(--bg-surface);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow);padding:26px;position:relative}.modal-close{position:absolute;right:16px;top:16px;width:38px;height:38px;border:1px solid var(--border);border-radius:11px;background:var(--bg-surface);color:var(--text-primary)}.modal-head{padding-right:45px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-weight:700;font-size:14px}.field input,.field select,.field textarea{width:100%;min-height:48px;padding:11px 13px;border-radius:12px;border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);outline:none}.field textarea{min-height:110px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,27,35,.12)}.form-status{min-height:24px;color:var(--text-secondary)}
.single-hero{padding:65px 0;background:var(--bg-elevated)}.single-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:35px;align-items:start}.purchase-card{position:sticky;top:100px;padding:24px}.purchase-price{font-size:36px;font-weight:900;color:var(--accent)}.single-content{max-width:820px}.content-stack{display:grid;gap:20px}.accordion{border:1px solid var(--border);border-radius:14px;overflow:hidden}.accordion button{width:100%;padding:16px 18px;border:0;background:var(--bg-surface);color:var(--text-primary);text-align:left;font-weight:800;display:flex;justify-content:space-between}.accordion-content{display:none;padding:0 18px 18px}.accordion.is-open .accordion-content{display:block}
@media(max-width:1050px){.main-nav{display:none}.main-nav.is-open{display:block;position:absolute;left:0;right:0;top:100%;padding:12px;background:var(--bg-surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.main-nav.is-open ul{flex-direction:column;align-items:stretch}.main-nav.is-open a{display:block}.menu-toggle{display:grid}.header-actions .header-cta{display:none}.hero-grid,.single-grid{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.section{padding:62px 0}.section-head{display:block}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--border)}.course-grid,.grid-3,.grid-2,.estimator-controls,.form-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr 1fr}.step-grid:before{display:none}.offer,.verify-box{grid-template-columns:1fr}.hero{padding-top:48px}.hero-card{padding:16px}.hero-art{min-height:240px}.footer-grid{grid-template-columns:1fr}.brand{min-width:0}.topline .container{justify-content:center}.notice .container{padding:6px 0}.single-grid{gap:20px}.purchase-card{position:static}}
@media(max-width:480px){.container{width:min(var(--container),calc(100% - 24px))}.grid-4{grid-template-columns:1fr}.header-inner{gap:8px}.brand-title{font-size:15px}.brand-tag{font-size:10px}.brand-mark{width:40px;height:40px}.hero-actions .btn{width:100%}.course-footer{flex-direction:column}.btn{width:100%}.stats-grid{grid-template-columns:1fr 1fr}.topline-links{justify-content:center}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* CAD Solution IT v12 extensions — preserves v11 visual system */
.site-footer{position:relative}.floating-wa{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#16a34a;color:#fff;box-shadow:0 12px 30px rgba(22,163,74,.28);font-weight:900}.mobile-cta{display:none}.single-hero{padding:70px 0 45px;background:linear-gradient(180deg,#fff5f5,#f9fafb)}.single-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px}.content-card{padding:28px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.course-hero-media img{width:100%;border-radius:20px}.sticky-card{position:sticky;top:100px;padding:24px}.price-big{font-size:32px;font-weight:900;color:var(--accent)}.course-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.course-section{padding:30px 0;border-top:1px solid var(--border)}.curriculum-item{padding:14px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:15px}.demo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.faq-item{padding:18px;border:1px solid var(--border);border-radius:14px;margin-bottom:10px;background:var(--bg-surface)}.faq-item summary{font-weight:800;cursor:pointer}.final-cta{padding:80px 0;background:linear-gradient(110deg,#1d1010,#E31B23);color:#fff}.final-cta p{color:#f3dddd}.builder-section{animation:fadeUp .7s ease both}.builder-section[data-animation="fade-in"]{animation:fadeIn .7s ease both}.builder-section[data-animation="zoom"]{animation:zoomIn .7s ease both}@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes zoomIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}.csi-video iframe{width:100%;min-height:360px;border:0;border-radius:18px}.payment-methods{display:flex;gap:8px;flex-wrap:wrap}@media(max-width:1000px){.single-layout{grid-template-columns:1fr}.course-grid,.demo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.course-grid,.demo-grid{grid-template-columns:1fr}.mobile-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:55;background:#fff;border-top:1px solid var(--border);padding:10px;gap:8px}.mobile-cta .btn{flex:1}.floating-wa{bottom:76px;right:15px}.single-hero{padding:50px 0 35px}.content-card,.sticky-card{padding:20px}}

.csi-search{display:flex;gap:10px;width:100%;max-width:760px;margin:0 0 28px}.csi-search input{flex:1;min-height:48px;border:1px solid var(--border);border-radius:14px;padding:12px 15px;background:var(--bg-surface);color:var(--text-primary)}.final-inline-cta{margin-top:34px;padding:30px;border-radius:24px;background:linear-gradient(120deg,#211010,#E31B23);color:#fff}.final-inline-cta p{color:#ffe5e6}.builder-section{animation:csiReveal .7s both}@keyframes csiReveal{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}.blog-thumb img{display:block;width:100%;height:210px;object-fit:cover}.content-card{padding:28px}.single-hero{padding:70px 0 55px;background:radial-gradient(circle at 85% 20%,rgba(227,27,35,.15),transparent 34%)}@media(max-width:800px){.csi-search{flex-direction:column}.course-grid{grid-template-columns:1fr}}