:root {
  --primary:     #0A2E73;
  --dark:        #081F52;
  --solar:       #F5B400;
  --solar-dark:  #D49A00;
  --green:       #2DBE60;
  --green-dk:    #1fa04e;
  --light:       #F8FAFC;
  --text:        #111827;
  --gray:        #6B7280;
  --border:      #E5E7EB;
}

/* Fonts: Anton for headings */
@import url('https://fonts.googleapis.com/css2?family=Anton&display=swap');

/* Heading family utility */
.heading-display, h1, h2, h3, h4, .section-heading, .section-heading-xl {
  font-family: 'Anton', sans-serif;
  letter-spacing: -0.01em;
}

/* ── SolarSaathi Design System ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Poppins',sans-serif;color:var(--text);background:var(--light);font-size:14px;}

/* ── NAVBAR ── */
.nav-item{
  position:relative;
  display:inline-block;
  padding:0.375rem 0.75rem;
  font-size:13.5px;
  font-weight:500;
  color:#374151;
  transition:color .18s;
  white-space:nowrap;
}
.nav-item:hover{color:var(--primary);}
.nav-item::after{
  content:'';position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);
  width:0;height:2.5px;background:var(--solar);border-radius:2px;transition:width .25s;
}
.nav-item:hover::after,.nav-item.nav-active::after{width:65%;}
.nav-active{color:var(--solar)!important;font-weight:600;}

/* CTA button */
.cta-btn{
  display:inline-flex;align-items:center;gap:0.5rem;
  background:var(--solar);color:var(--dark);
  font-size:13px;font-weight:700;
  padding:0.5rem 1.25rem;
  border-radius:10px;
  border:none;cursor:pointer;
  transition:all .25s;
  text-decoration:none;white-space:nowrap;
}
.cta-btn:hover{background:var(--solar-dark);box-shadow:0 4px 18px rgba(245,180,0,.4);transform:translateY(-1px);}
.cta-btn-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:50%;
  background:var(--dark);color:#fff;font-size:11px;flex-shrink:0;
}

/* ── BUTTONS ── */
.btn-solar{background:var(--solar);color:var(--dark);font-weight:700;font-size:14px;padding:.625rem 1.5rem;border-radius:10px;display:inline-flex;align-items:center;gap:.5rem;border:none;cursor:pointer;transition:all .25s;text-decoration:none;white-space:nowrap;}
.btn-solar:hover{background:var(--solar-dark);transform:translateY(-1px);box-shadow:0 5px 18px rgba(245,180,0,.4);}
.btn-outline-solar{background:transparent;color:var(--dark);font-weight:700;font-size:14px;padding:.625rem 1.5rem;border-radius:9999px;border:2px solid var(--solar);display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;transition:all .25s;text-decoration:none;}
.btn-outline-solar:hover{background:var(--solar);color:var(--dark);}
.btn-outline-dark{background:transparent;color:var(--dark);font-weight:600;font-size:14px;padding:.625rem 1.5rem;border-radius:9999px;border:2px solid var(--dark);display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;transition:all .25s;text-decoration:none;}
.btn-outline-dark:hover{background:var(--dark);color:#fff;}
.btn-whatsapp{background:#25D366;color:#fff;font-weight:700;font-size:14px;padding:.625rem 1.5rem;border-radius:9999px;display:inline-flex;align-items:center;gap:.5rem;border:none;cursor:pointer;transition:all .25s;text-decoration:none;}
.btn-whatsapp:hover{background:#1fa355;transform:translateY(-1px);}
.btn-primary{background:var(--primary);color:#fff;font-weight:700;font-size:14px;padding:.625rem 1.5rem;border-radius:9999px;display:inline-flex;align-items:center;gap:.5rem;border:none;cursor:pointer;transition:all .25s;text-decoration:none;}
.btn-primary:hover{background:var(--dark);}

/* ── PAGE HERO (inner pages) ── */
.page-hero{background:#fff;}
.page-hero-content{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;}
@media(max-width:1024px){.page-hero-content{grid-template-columns:1fr;}}
.page-hero-left{padding:2.75rem 2.5rem 2.75rem 0;display:flex;flex-direction:column;justify-content:center;}
.page-hero-right{position:relative;overflow:hidden;min-height:320px;}
.page-hero-overlay{position:absolute;bottom:1.5rem;right:1.5rem;background:rgba(8,31,82,.9);backdrop-filter:blur(10px);border-radius:.875rem;padding:1rem 1.25rem;color:#fff;max-width:230px;}

/* ── BREADCRUMB ── */
.breadcrumb{display:flex;align-items:center;gap:.5rem;font-size:12px;color:var(--gray);margin-bottom:.875rem;}
.breadcrumb a{color:var(--primary);font-weight:500;}
.breadcrumb a:hover{color:var(--solar);}

/* ── SECTION LABELS ── */
.section-badge{display:inline-block;background:rgba(10,46,115,.07);color:var(--primary);font-size:10px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:.2rem .875rem;border-radius:9999px;}
.section-badge-green{background:rgba(45,190,96,.1);color:var(--green-dk);}
.section-heading{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:800;line-height:1.2;color:var(--dark);}
.section-heading-xl{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:900;line-height:1.15;color:var(--dark);}
.section-divider{height:3px;background:linear-gradient(90deg,var(--solar),var(--primary));border-radius:2px;width:50px;margin:.75rem 0 1.25rem;}
.section-divider.center{margin-left:auto;margin-right:auto;}
.text-solar{color:var(--solar)!important;}
.text-green{color:var(--green)!important;}
.text-primary{color:var(--primary)!important;}
.highlight-green{color:var(--green);}
.highlight-solar{color:var(--solar);}

/* ── HERO BADGE (homepage) ── */
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1.5px solid rgba(45,190,96,.3);border-radius:9999px;padding:.3rem .875rem;font-size:11px;font-weight:700;color:#374151;box-shadow:0 2px 8px rgba(0,0,0,.06);}
.hero-badge-dot{width:8px;height:8px;background:var(--green);border-radius:50%;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.6;transform:scale(1.2);}}

/* ── FEATURE CARDS (Why Choose Us) ── */
.feature-card{background:#fff;border:1.5px solid var(--border);border-radius:1rem;padding:2rem 1.5rem;text-align:center;transition:all .35s;position:relative;overflow:hidden;}
.feature-card::before{content:'';position:absolute;bottom:0;left:0;right:0;height:3.5px;background:linear-gradient(90deg,var(--primary),var(--solar));transform:scaleX(0);transition:transform .35s;transform-origin:left;}
.feature-card:hover{border-color:transparent;box-shadow:0 12px 35px rgba(10,46,115,.12);transform:translateY(-4px);}
.feature-card:hover::before{transform:scaleX(1);}
.feature-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,rgba(245,180,0,.18),rgba(10,46,115,.06));display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem;font-size:1.75rem;box-shadow:0 4px 16px rgba(245,180,0,.25);}

/* ── PROJECT CARDS ── */
.project-card{background:#fff;border-radius:1rem;overflow:hidden;border:1.5px solid var(--border);transition:all .35s;cursor:pointer;}
.project-card:hover{box-shadow:0 16px 40px rgba(10,46,115,.14);transform:translateY(-4px);border-color:transparent;}
.project-type-badge{position:absolute;top:.75rem;left:.75rem;font-size:11px;font-weight:700;padding:.2rem .625rem;border-radius:9999px;backdrop-filter:blur(6px);}
.project-card-capacity{position:absolute;top:.75rem;right:.75rem;background:rgba(255,255,255,.92);color:var(--green-dk);font-weight:700;font-size:12px;padding:.35rem .75rem;border-radius:9999px;box-shadow:0 10px 25px rgba(10,46,115,.08);}

/* ── BLOG CARDS ── */
.blog-card{background:#fff;border-radius:1.5rem;overflow:hidden;border:1.5px solid var(--border);transition:all .3s;}
.blog-card:hover{box-shadow:0 10px 30px rgba(10,46,115,.1);transform:translateY(-3px);}
.blog-card-image{position:relative;overflow:hidden;}
.blog-card-image img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.blog-card:hover .blog-card-image img{transform:scale(1.05);}
.recent-post-img{width:62px;height:52px;border-radius:.75rem;background-size:cover;background-position:center;background-repeat:no-repeat;flex-shrink:0;}

/* ── CALCULATOR (homepage) ── */
.calc-card{background:#fff;border-radius:1rem;border:1px solid var(--border);box-shadow:0 4px 24px rgba(10,46,115,.08);padding:1.75rem;}
.calc-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;color:#374151;margin-bottom:.625rem;}
.calc-field-val{font-size:13px;font-weight:700;color:var(--primary);}
.calc-select{width:100%;border:1.5px solid #e2e8f0;border-radius:.625rem;padding:.65rem 2.5rem .65rem 1rem;font-size:13px;font-family:'Poppins',sans-serif;color:var(--text);background:#f8fafc url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' fill='%23374151' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E") no-repeat right .875rem center;appearance:none;outline:none;cursor:pointer;transition:border-color .2s;}
.calc-select:focus{border-color:var(--primary);background-color:#fff;box-shadow:0 0 0 3px rgba(10,46,115,.08);}
.calc-result{background:linear-gradient(135deg,#081F52 0%,#0A2E73 100%);border-radius:.875rem;padding:1.25rem 1.5rem;color:#fff;}
.calc-savings-amount{font-size:2rem;font-weight:900;color:var(--solar);line-height:1.1;}

/* Range slider */
input[type=range]{-webkit-appearance:none;width:100%;height:4px;background:#e2e8f0;border-radius:2px;outline:none;cursor:pointer;margin:0.5rem 0;}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--solar);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary);cursor:pointer;transition:transform .15s;}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15);}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--solar);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary);}

/* ── STATS BAR ── */
.stats-bar{background:var(--dark);}
.stat-item{text-align:center;padding:.75rem 1rem;border-right:1px solid rgba(255,255,255,.1);}
.stat-item:last-child{border-right:none;}
.stat-value{font-size:1.625rem;font-weight:800;color:var(--solar);line-height:1;}
.stat-label{font-size:11px;color:#9ca3af;margin-top:.25rem;}

/* ── WHY CARDS ── */
.why-card{background:#fff;border-radius:1rem;border:1.5px solid var(--border);padding:1.5rem;text-align:center;transition:all .3s;position:relative;overflow:hidden;}
.why-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--solar));transform:scaleX(0);transition:transform .3s;transform-origin:left;}
.why-card:hover{box-shadow:0 10px 32px rgba(10,46,115,.12);transform:translateY(-3px);border-color:transparent;}
.why-card:hover::after{transform:scaleX(1);}
.why-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,rgba(245,180,0,.14),rgba(10,46,115,.06));display:flex;align-items:center;justify-content:center;margin:0 auto .875rem;font-size:1.5rem;transition:transform .3s;}
.why-card:hover .why-icon{transform:scale(1.1);}

/* ── TESTIMONIALS ── */
.testimonial-card{background:#fff;border-radius:1rem;border:1.5px solid var(--border);padding:1.5rem 1.75rem;transition:all .3s;}
.testimonial-card:hover{box-shadow:0 8px 28px rgba(10,46,115,.1);}
.star{color:var(--solar);}

/* ── CONTACT ── */
.contact-card{background:#fff;border-radius:1rem;border:1.5px solid var(--border);padding:1.25rem 1.5rem;display:flex;align-items:flex-start;gap:1rem;transition:all .3s;}
.contact-card:hover{border-color:var(--green);box-shadow:0 4px 18px rgba(45,190,96,.1);}
.contact-icon{width:46px;height:46px;border-radius:50%;background:rgba(45,190,96,.1);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0;}

/* ── CTA BANNER ── */
.cta-banner{background:linear-gradient(135deg,#081F52 0%,#0A2E73 60%,#0e3a8a 100%);position:relative;overflow:hidden;}
.cta-banner::before{content:'';position:absolute;top:-40%;right:-5%;width:500px;height:500px;background:radial-gradient(circle,rgba(245,180,0,.07),transparent 70%);border-radius:50%;}

/* ── SIDEBAR ── */
.sidebar-widget{background:#fff;border-radius:1rem;border:1.5px solid var(--border);padding:1.25rem 1.5rem;margin-bottom:1.25rem;}
.recent-post{display:flex;gap:.75rem;padding:.5rem 0;border-bottom:1px solid #f3f4f6;}
.recent-post:last-child{border-bottom:none;padding-bottom:0;}
.recent-post-img{width:58px;height:48px;border-radius:.5rem;object-fit:cover;background:linear-gradient(135deg,var(--primary),var(--green));flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.2rem;}

/* ── FORM INPUTS ── */
.form-input,.form-textarea,.form-select{width:100%;border:1.5px solid #e2e8f0;border-radius:.625rem;padding:.65rem 1rem;font-size:13px;font-family:'Poppins',sans-serif;color:var(--text);background:#f8fafc;transition:border-color .2s;outline:none;}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(10,46,115,.08);background:#fff;}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--dark);margin-bottom:.375rem;}

/* ── BRAND LOGOS ── */
.brand-track{display:flex;align-items:center;gap:3.5rem;animation:brandScroll 28s linear infinite;width:max-content;}
.brand-track:hover{animation-play-state:paused;}
@keyframes brandScroll{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ── GLASS CARD ── */
.glass-card{background:rgba(8,31,82,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(245,180,0,.2);border-radius:1rem;color:#fff;}

/* ── FOOTER ── */
.footer-link{display:block;font-size:12.5px;color:#9ca3af;transition:color .2s,padding-left .2s;}
.footer-link:hover{color:var(--solar);padding-left:4px;}
.footer-social{width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#9ca3af;font-size:11px;transition:all .3s;}
.footer-social:hover{background:var(--solar);border-color:var(--solar);color:var(--dark);}

/* ── ADMIN ── */
.admin-sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border-radius:.625rem;color:#9ca3af;font-size:.875rem;transition:all .2s;}
.admin-sidebar-link:hover,.admin-sidebar-link.active{background:rgba(245,180,0,.12);color:var(--solar);}

/* ── TIMELINE ── */
.timeline-item{position:relative;padding-left:2.5rem;padding-bottom:1.5rem;}
.timeline-item::before{content:'';position:absolute;left:.75rem;top:1.5rem;bottom:0;width:2px;background:linear-gradient(180deg,var(--green),rgba(45,190,96,.1));}
.timeline-item:last-child::before{display:none;}
.timeline-dot{position:absolute;left:0;top:.25rem;width:1.5rem;height:1.5rem;border-radius:50%;background:var(--green);display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 3px rgba(45,190,96,.2);}

/* ── GALLERY ── */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.625rem;}
.gallery-item{border-radius:.75rem;overflow:hidden;aspect-ratio:4/3;cursor:pointer;}
.gallery-item:first-child{grid-column:span 2;aspect-ratio:16/9;}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
@keyframes pulseRing{0%{box-shadow:0 0 0 0 rgba(245,180,0,.7);}70%{box-shadow:0 0 0 12px rgba(245,180,0,0);}100%{box-shadow:0 0 0 0 rgba(245,180,0,0);}}
.observe-fade{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.pulse-ring{animation:pulseRing 2s infinite;}

/* ── PROCESS ── */
.process-num{width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;font-size:1rem;display:flex;align-items:center;justify-content:center;margin:0 auto .75rem;box-shadow:0 4px 14px rgba(45,190,96,.3);}

/* ── FEAT BADGE STRIP ── */
.feature-badge-strip{display:flex;flex-wrap:wrap;gap:.875rem;margin-top:1.5rem;}
.feat-badge{display:flex;flex-direction:column;align-items:center;gap:.375rem;min-width:68px;}
.feat-badge-icon{width:42px;height:42px;border-radius:50%;border:1.5px solid rgba(45,190,96,.25);display:flex;align-items:center;justify-content:center;background:rgba(45,190,96,.05);font-size:1rem;}
.feat-badge span{font-size:10.5px;font-weight:600;color:#4B5563;text-align:center;line-height:1.3;}

/* ── SERVICE CARD ── */
.service-card{background:#fff;border-radius:1rem;border:1.5px solid var(--border);overflow:hidden;transition:all .3s;}
.service-card:hover{box-shadow:0 10px 30px rgba(10,46,115,.1);transform:translateY(-3px);}
.service-card-hero{min-height:180px;background-size:cover;background-position:center;}
.service-icon{width:50px;height:50px;border-radius:50%;border:1.5px solid rgba(45,190,96,.3);background:rgba(45,190,96,.05);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}

.hero-image-card{position:relative;border-radius:2rem;overflow:hidden;min-height:420px;background-size:cover;background-position:center;box-shadow:0 40px 90px rgba(10,46,115,.12);}
.hero-image-card::before{display:none;}
.hero-image-panel{position:absolute;bottom:1.5rem;left:1.5rem;right:1.5rem;background:rgba(7,22,54,.78);border-radius:1.5rem;padding:1.5rem;backdrop-filter:blur(8px);}
.hero-image-panel .section-badge{background:#fff;color:var(--primary);}
.hero-image-panel h3{font-size:1.5rem;font-weight:800;line-height:1.1;}
.hero-image-panel p{color:rgba(255,255,255,.82);font-size:.95rem;line-height:1.7;margin-top:.75rem;}
.hero-feature-card{display:flex;align-items:center;gap:.75rem;padding:.85rem 1rem;background:rgba(255,255,255,.1);border-radius:1rem;}
.hero-feature-icon{width:2rem;height:2rem;border-radius:50%;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:1rem;}

.process-step{background:#fff;border:1.5px solid var(--border);border-radius:1.5rem;padding:1.25rem;transition:all .3s;}
.process-step:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(10,46,115,.08);}
.process-num{width:46px;height:46px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;font-size:1rem;display:flex;align-items:center;justify-content:center;margin:0 auto;box-shadow:0 4px 14px rgba(45,190,96,.3);}

@media(max-width:640px){
  .section-heading{font-size:1.5rem;}
  .section-heading-xl{font-size:1.75rem;}
  .calc-card{padding:1.25rem;}
  .page-hero-left{padding:2rem 1rem;}
  .stat-value{font-size:1.35rem;}
  .hero-image-card{min-height:320px;}
}