/*
Theme Name: ULTRAVOLT POWER PTE. LIMITED
Theme URI: https://ultravoltpower.site
Author: ULTRAVOLT POWER PTE. LIMITED
Author URI: https://ultravoltpower.site
Description: Premium renewable energy corporate WordPress theme for ULTRAVOLT POWER PTE. LIMITED. Built with Bootstrap 5, modern animations, SEO ready, schema markup, and full customizer support. Lightweight, responsive, translation ready.
Version: 1.0.0
Requires at least: 5.6
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ultravoltpower
Tags: business, corporate, renewable-energy, one-column, two-columns, right-sidebar, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, block-styles, wide-blocks
*/

:root{
  --uv-primary:#0b3d91;
  --uv-primary-dark:#082a63;
  --uv-green:#00a86b;
  --uv-green-dark:#087a52;
  --uv-lime:#c6ff00;
  --uv-white:#ffffff;
  --uv-dark:#0f172a;
  --uv-muted:#64748b;
  --uv-bg:#f7fafc;
  --uv-radius:14px;
  --uv-shadow:0 10px 30px rgba(11,61,145,.08);
  --uv-shadow-lg:0 20px 50px rgba(11,61,145,.15);
  --uv-gradient:linear-gradient(135deg,var(--uv-primary) 0%,var(--uv-green) 100%);
  --uv-gradient-accent:linear-gradient(135deg,var(--uv-green) 0%,var(--uv-lime) 100%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  color:var(--uv-dark);
  background:var(--uv-white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:'Poppins','Inter',sans-serif;font-weight:700;color:var(--uv-dark);letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.5rem);line-height:1.1}
h2{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2}
h3{font-size:1.4rem}
a{color:var(--uv-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--uv-green)}
img{max-width:100%;height:auto}

/* Buttons */
.btn{border-radius:999px;padding:.75rem 1.5rem;font-weight:600;transition:all .25s ease;border:0}
.btn-primary{background:var(--uv-gradient);color:#fff;box-shadow:var(--uv-shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--uv-shadow-lg);color:#fff;background:var(--uv-gradient)}
.btn-outline{background:transparent;color:var(--uv-white);border:2px solid rgba(255,255,255,.7)}
.btn-outline:hover{background:#fff;color:var(--uv-primary)}
.btn-accent{background:var(--uv-lime);color:var(--uv-dark)}
.btn-accent:hover{background:#b3e600;color:var(--uv-dark);transform:translateY(-2px)}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid rgba(15,23,42,.06);transition:box-shadow .2s}
.site-header.scrolled{box-shadow:0 6px 20px rgba(11,61,145,.08)}
.site-brand{display:flex;align-items:center;gap:.6rem;font-weight:800;color:var(--uv-dark);font-size:1.15rem}
.site-brand .logo-mark{width:38px;height:38px;border-radius:10px;background:var(--uv-gradient);display:inline-flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--uv-shadow)}
.main-nav .nav-link{color:var(--uv-dark);font-weight:500;padding:.5rem .9rem;border-radius:8px}
.main-nav .nav-link:hover,.main-nav .current-menu-item>a{color:var(--uv-primary);background:rgba(11,61,145,.06)}
.main-nav .menu{display:flex;gap:.25rem;list-style:none;margin:0;padding:0;align-items:center;flex-wrap:wrap}
.main-nav .menu a{display:inline-block;color:var(--uv-dark);text-decoration:none;padding:.5rem .9rem;border-radius:8px;font-weight:500}
.main-nav .menu a:hover{color:var(--uv-primary);background:rgba(11,61,145,.06)}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;padding:6rem 0 5rem;background:var(--uv-gradient)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.35;pointer-events:none}
.hero::before{width:520px;height:520px;background:var(--uv-lime);top:-140px;right:-140px;animation:float 9s ease-in-out infinite}
.hero::after{width:420px;height:420px;background:#26e0a5;bottom:-160px;left:-120px;animation:float 12s ease-in-out infinite reverse}
.hero .eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:.35rem .8rem;border-radius:999px;font-size:.85rem;margin-bottom:1rem}
.hero h1{color:#fff}
.hero p.lead{color:rgba(255,255,255,.9);font-size:1.15rem;max-width:640px}
.hero-cta{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.5rem}

@keyframes float{0%,100%{transform:translateY(0) translateX(0)}50%{transform:translateY(-30px) translateX(20px)}}

/* Sections */
.section{padding:5rem 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.section-head .eyebrow{color:var(--uv-green);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
.section-head h2{margin-top:.5rem}
.section-head p{color:var(--uv-muted);margin-top:.75rem}

/* Cards */
.uv-card{background:#fff;border-radius:var(--uv-radius);padding:1.75rem;box-shadow:var(--uv-shadow);border:1px solid rgba(15,23,42,.05);transition:transform .3s ease,box-shadow .3s ease;height:100%}
.uv-card:hover{transform:translateY(-6px);box-shadow:var(--uv-shadow-lg)}
.uv-icon{width:56px;height:56px;border-radius:14px;background:var(--uv-gradient);display:inline-flex;align-items:center;justify-content:center;color:#fff;margin-bottom:1rem;font-size:1.6rem}
.uv-card h3{font-size:1.2rem}
.uv-card p{color:var(--uv-muted);margin-bottom:1rem}

/* Stats */
.stats{background:var(--uv-bg);border-radius:20px;padding:2.5rem;box-shadow:var(--uv-shadow)}
.stat{text-align:center}
.stat .num{font-family:'Poppins';font-size:2.5rem;font-weight:800;background:var(--uv-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .label{color:var(--uv-muted);font-weight:500;margin-top:.25rem}

/* Timeline */
.timeline{position:relative;padding-left:1.5rem;border-left:3px solid rgba(11,61,145,.15)}
.timeline .t-item{position:relative;padding:0 0 1.5rem 1rem}
.timeline .t-item::before{content:"";position:absolute;left:-1.7rem;top:.4rem;width:14px;height:14px;border-radius:50%;background:var(--uv-gradient);box-shadow:0 0 0 4px rgba(0,168,107,.15)}
.timeline .year{font-weight:700;color:var(--uv-primary)}

/* Projects */
.project{position:relative;overflow:hidden;border-radius:var(--uv-radius);box-shadow:var(--uv-shadow);background:#fff}
.project .thumb{aspect-ratio:4/3;background:var(--uv-gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem}
.project .body{padding:1.25rem}
.project .cat{color:var(--uv-green);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.filter-btns{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:2rem}
.filter-btns button{border:1px solid rgba(15,23,42,.1);background:#fff;padding:.5rem 1.1rem;border-radius:999px;font-weight:500;color:var(--uv-dark);cursor:pointer;transition:all .2s}
.filter-btns button.active,.filter-btns button:hover{background:var(--uv-gradient);color:#fff;border-color:transparent}

/* Industries */
.industry{background:#fff;border-radius:var(--uv-radius);padding:1.5rem;text-align:center;box-shadow:var(--uv-shadow);transition:transform .3s}
.industry:hover{transform:translateY(-4px)}
.industry .uv-icon{margin:0 auto 1rem}

/* Testimonials */
.testimonial{background:#fff;padding:2rem;border-radius:var(--uv-radius);box-shadow:var(--uv-shadow);text-align:center;margin:1rem}
.testimonial .quote{font-style:italic;color:var(--uv-dark);font-size:1.05rem}
.testimonial .author{margin-top:1rem;font-weight:700;color:var(--uv-primary)}

/* FAQ */
.uv-accordion .accordion-item{border:1px solid rgba(15,23,42,.08);border-radius:12px;margin-bottom:.75rem;overflow:hidden;background:#fff}
.uv-accordion .accordion-button{font-weight:600;color:var(--uv-dark);padding:1rem 1.25rem;background:#fff;border:0;width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.uv-accordion .accordion-button:not(.collapsed){color:var(--uv-primary);background:rgba(11,61,145,.04)}
.uv-accordion .accordion-body{padding:0 1.25rem 1.25rem;color:var(--uv-muted)}

/* Contact */
.contact-info{background:var(--uv-gradient);color:#fff;padding:2rem;border-radius:var(--uv-radius);box-shadow:var(--uv-shadow-lg)}
.contact-info a{color:#fff;text-decoration:underline}
.form-control,.form-select{border-radius:10px;border:1px solid rgba(15,23,42,.12);padding:.75rem 1rem}
.form-control:focus{border-color:var(--uv-primary);box-shadow:0 0 0 3px rgba(11,61,145,.15)}

/* Blog */
.post-card{background:#fff;border-radius:var(--uv-radius);overflow:hidden;box-shadow:var(--uv-shadow);height:100%;transition:transform .3s}
.post-card:hover{transform:translateY(-4px)}
.post-card .thumb{aspect-ratio:16/9;background:var(--uv-bg);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:1.25rem}
.post-meta{color:var(--uv-muted);font-size:.85rem}

/* Footer */
.site-footer{background:var(--uv-dark);color:#cbd5e1;padding:4rem 0 1.5rem;margin-top:4rem}
.site-footer h5{color:#fff;font-size:1.05rem;margin-bottom:1rem}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:var(--uv-lime)}
.site-footer .newsletter input{border-radius:999px 0 0 999px;border:0;padding:.65rem 1rem;flex:1}
.site-footer .newsletter button{border-radius:0 999px 999px 0;background:var(--uv-lime);color:var(--uv-dark);border:0;padding:.65rem 1.2rem;font-weight:700}
.site-footer .socials a{display:inline-flex;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);align-items:center;justify-content:center;margin-right:.4rem;transition:background .2s}
.site-footer .socials a:hover{background:var(--uv-green)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:2.5rem;padding-top:1.25rem;font-size:.9rem;color:#94a3b8;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem}

/* Back to top */
#backToTop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--uv-gradient);color:#fff;border:0;display:none;align-items:center;justify-content:center;box-shadow:var(--uv-shadow-lg);cursor:pointer;z-index:999}
#backToTop.show{display:inline-flex}

/* Breadcrumb */
.breadcrumb-wrap{background:var(--uv-bg);padding:1rem 0;font-size:.9rem;color:var(--uv-muted)}
.breadcrumb-wrap a{color:var(--uv-primary)}

/* Page hero */
.page-hero{background:var(--uv-gradient);color:#fff;padding:4rem 0 3rem;text-align:center}
.page-hero h1{color:#fff}

/* Sidebar */
.widget{background:#fff;border-radius:var(--uv-radius);padding:1.5rem;box-shadow:var(--uv-shadow);margin-bottom:1.5rem}
.widget h3,.widget-title{font-size:1.1rem;margin-bottom:1rem;color:var(--uv-primary)}
.widget ul{list-style:none;padding:0;margin:0}
.widget li{padding:.4rem 0;border-bottom:1px solid rgba(15,23,42,.06)}
.widget li:last-child{border-bottom:0}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* Mobile nav */
.nav-toggle{display:none;background:transparent;border:0;font-size:1.5rem;color:var(--uv-dark);cursor:pointer}
@media (max-width: 991px){
  .nav-toggle{display:inline-block}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;padding:1rem;box-shadow:var(--uv-shadow);border-top:1px solid rgba(15,23,42,.06)}
  .main-nav.open{display:block}
  .main-nav .menu{flex-direction:column;align-items:stretch;gap:.15rem}
  .main-nav .menu a{display:block}
}

/* Utilities */
.text-gradient{background:var(--uv-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.bg-soft{background:var(--uv-bg)}
.rounded-xl{border-radius:var(--uv-radius)}
.shadow-soft{box-shadow:var(--uv-shadow)}