/* =========================================================
   UTTARA BRIGHT ENERGY — Design Tokens
   Palette:  Ink Navy #001D54 · Deep Teal #0B6E76 · Sun Gold #F0A83A
             Bright Aqua #2EC4C1 · Paper #FAFBFC · Slate #4A5568
   Type:     Display — 'Space Grotesk'  Body — 'Inter'  Data — 'JetBrains Mono'
   ========================================================= */

:root{
  --navy:#001D54;
  --navy-deep:#001030;
  --teal:#0B6E76;
  --teal-light:#0E8B93;
  --gold:#F0A83A;
  --gold-deep:#D98F1F;
  --aqua:#2EC4C1;
  --paper:#FAFBFC;
  --paper-dim:#F1F4F6;
  --slate:#4A5568;
  --slate-light:#8592A3;
  --line:#E4E9ED;
  --radius:14px;
  --shadow-sm: 0 2px 10px rgba(0,29,84,.06);
  --shadow-md: 0 12px 32px rgba(0,29,84,.10);
  --shadow-lg: 0 24px 60px rgba(0,29,84,.16);
  --ease: cubic-bezier(.22,.85,.32,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--slate);
  background:var(--paper);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,.display-font{
  font-family:'Space Grotesk',sans-serif;
  color:var(--navy);
  font-weight:700;
  letter-spacing:-.02em;
}
.mono, .stat-number, .price-figure, .price-suffix{
  font-family:'JetBrains Mono',monospace;
}
a{text-decoration:none;color:inherit;}
::selection{background:var(--gold);color:var(--navy);}

.eyebrow{
  font-family:'JetBrains Mono',monospace;
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.72rem;
  color:var(--teal);
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  font-weight:600;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--gold);display:inline-block;
}
.section{padding:5.5rem 0;}
.section-sm{padding:3.5rem 0;}
.bg-paper-dim{background:var(--paper-dim);}
.bg-navy{background:var(--navy);}
.text-teal{color:var(--teal) !important;}
.text-gold{color:var(--gold) !important;}
.container-xl{max-width:1220px;margin:0 auto;padding-left:1.25rem;padding-right:1.25rem;}

/* ---------- Buttons ---------- */
.btn-solar{
  background:linear-gradient(135deg,var(--gold) 0%,var(--gold-deep) 100%);
  color:var(--navy-deep);
  font-weight:700;
  border:none;
  padding:.85rem 1.9rem;
  border-radius:50px;
  box-shadow:0 10px 24px rgba(240,168,58,.35);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease);
  display:inline-flex;align-items:center;gap:.55rem;
}
.btn-solar:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(240,168,58,.45);color:var(--navy-deep);}
.btn-outline-line{
  border:1.5px solid rgba(255,255,255,.4);
  color:#fff;
  padding:.8rem 1.8rem;
  border-radius:50px;
  font-weight:600;
  transition:.3s var(--ease);
  display:inline-flex;align-items:center;gap:.5rem;
}
.btn-outline-line:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-teal{
  background:var(--teal);color:#fff;font-weight:700;padding:.85rem 1.9rem;border-radius:50px;border:none;
  transition:.3s var(--ease);
}
.btn-teal:hover{background:var(--teal-light);color:#fff;transform:translateY(-2px);}

/* ---------- Sun-arc scroll progress (signature element) ---------- */
#sun-arc-wrap{
  position:fixed;top:0;left:0;width:100%;z-index:1055;
  height:6px;pointer-events:none;
}
#sun-arc-track{width:100%;height:100%;}
#sun-arc-fill{
  fill:none;stroke:var(--gold);stroke-width:6;stroke-linecap:round;
  filter:drop-shadow(0 0 6px rgba(240,168,58,.8));
  transition:stroke-dashoffset .05s linear;
}
#sun-marker{
  position:fixed;top:2px;width:16px;height:16px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff6df,var(--gold) 60%,var(--gold-deep));
  box-shadow:0 0 12px rgba(240,168,58,.9);
  z-index:1056;pointer-events:none;transition:left .05s linear;
}

/* ---------- Navbar ---------- */
.topbar{
  background:var(--navy-deep);color:#cfd8e6;font-size:.8rem;padding:.4rem 0;
}
.topbar a{color:#cfd8e6;transition:.2s;}
.topbar a:hover{color:var(--gold);}
.navbar-main{
  background:rgba(250,251,252,.92);
  backdrop-filter:blur(10px);
  padding:.9rem 0;
  transition:padding .3s var(--ease), box-shadow .3s var(--ease), top .3s var(--ease);
  top:34px;
}
.navbar-main.scrolled{padding:.5rem 0;box-shadow:var(--shadow-md);top:0;}
.navbar-brand-logo{height:44px;transition:.3s;}
.navbar-main.scrolled .navbar-brand-logo{height:36px;}
.nav-link-custom{
  font-weight:600;color:var(--navy)!important;padding:.5rem 1rem!important;
  position:relative;font-size:.94rem;
}
.nav-link-custom::after{
  content:"";position:absolute;left:1rem;right:1rem;bottom:.15rem;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link-custom:hover::after,.nav-link-custom.active::after{transform:scaleX(1);}
.nav-link-custom.active{color:var(--teal)!important;}

/* ---------- Hero (home) ---------- */
.hero{
  position:relative;background:radial-gradient(120% 140% at 15% 10%, #052a63 0%, var(--navy) 45%, var(--navy-deep) 100%);
  color:#fff;padding:9rem 0 6rem;overflow:hidden;
}
.hero svg.circuit-bg{position:absolute;inset:0;width:100%;height:100%;opacity:.35;}
.circuit-line{stroke:var(--aqua);stroke-width:1;fill:none;opacity:.5;stroke-dasharray:6 6;animation:dashmove 6s linear infinite;}
.circuit-node{fill:var(--gold);opacity:.85;}
@keyframes dashmove{to{stroke-dashoffset:-120;}}
.hero-sun{
  position:absolute;right:-60px;top:60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 40% 35%, #ffe6ac, var(--gold) 55%, transparent 72%);
  filter:blur(2px);opacity:.55;animation:pulseglow 5s ease-in-out infinite;
}
@keyframes pulseglow{0%,100%{opacity:.4;transform:scale(1);}50%{opacity:.65;transform:scale(1.06);}}
.hero h1{color:#fff;font-size:3.2rem;line-height:1.08;}
.hero .lead-sub{color:#c9d4e6;font-size:1.15rem;max-width:520px;}
.hero-stats{display:flex;gap:2.2rem;flex-wrap:wrap;margin-top:2.6rem;}
.hero-stat .stat-number{font-size:2.1rem;font-weight:700;color:var(--gold);line-height:1;}
.hero-stat .stat-label{font-size:.78rem;color:#a9b6cc;text-transform:uppercase;letter-spacing:.08em;margin-top:.35rem;}
.hero-panel-badge{
  position:absolute;bottom:2rem;left:2rem;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(6px);
  border-radius:var(--radius);padding:.9rem 1.2rem;display:flex;align-items:center;gap:.7rem;
  animation:floaty 4s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

/* Page header (inner pages) */
.page-header{
  background:linear-gradient(120deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;padding:7.5rem 0 3.2rem;position:relative;overflow:hidden;
}
.page-header .breadcrumb-custom{color:#9fb0c9;font-size:.85rem;}
.page-header .breadcrumb-custom a:hover{color:var(--gold);}
.page-header h1{color:#fff;font-size:2.4rem;}
.page-header::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle, rgba(240,168,58,.28), transparent 70%);
}

/* ---------- Cards ---------- */
.card-solar{
  background:#fff;border-radius:var(--radius);border:1px solid var(--line);
  padding:2rem 1.7rem;height:100%;transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  position:relative;overflow:hidden;
}
.card-solar:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.card-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,var(--teal),var(--navy));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;margin-bottom:1.3rem;
}
.card-solar h5{margin-bottom:.7rem;}
.card-link{color:var(--teal);font-weight:700;font-size:.88rem;display:inline-flex;align-items:center;gap:.4rem;margin-top:1rem;}
.card-link .arrow{transition:transform .25s var(--ease);}
.card-solar:hover .card-link .arrow{transform:translateX(5px);}

.article-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);height:100%;transition:.35s var(--ease);}
.article-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);}
.article-card .art-thumb{height:190px;background-size:cover;background-position:center;position:relative;}
.article-card .art-tag{
  position:absolute;left:1rem;top:1rem;background:var(--gold);color:var(--navy-deep);
  font-size:.7rem;font-weight:700;padding:.3rem .7rem;border-radius:50px;text-transform:uppercase;letter-spacing:.04em;
}
.article-card .art-body{padding:1.4rem 1.5rem;}
.article-card .art-meta{font-size:.78rem;color:var(--slate-light);font-family:'JetBrains Mono',monospace;}
.article-card h5{font-size:1.08rem;margin:.6rem 0;}
.article-card p{font-size:.92rem;}

/* ---------- Process / numbered steps ---------- */
.process-step{position:relative;padding-left:0;}
.process-num{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:2.6rem;color:transparent;
  -webkit-text-stroke:1.5px var(--gold);line-height:1;margin-bottom:.6rem;display:block;
}
.process-step:not(:last-child)::after{
  content:"";position:absolute;top:20px;left:calc(50% + 55px);width:calc(100% - 55px);height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px, transparent 8px 14px);
  display:none;
}
@media(min-width:992px){.process-step:not(:last-child)::after{display:block;}}

/* ---------- Testimonials ---------- */
.testimonial-card{
  background:#fff;border-radius:var(--radius);padding:2.2rem;border:1px solid var(--line);height:100%;
  position:relative;
}
.testimonial-quote{color:var(--gold);font-size:2.6rem;font-family:Georgia,serif;line-height:0;position:relative;top:14px;}
.testimonial-avatar{
  width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--navy));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Space Grotesk';
}
.stars{color:var(--gold);letter-spacing:2px;font-size:.9rem;}

/* ---------- Pricing ---------- */
.pricing-tabs .ui-tabs-nav{background:none;border:none;display:flex;justify-content:center;gap:.6rem;padding:0;margin-bottom:2.5rem;}
.pricing-tabs .ui-tabs-nav li{margin:0;border-radius:50px;background:#fff;border:1px solid var(--line);}
.pricing-tabs .ui-tabs-nav .ui-tabs-anchor{padding:.7rem 1.6rem;font-weight:700;color:var(--navy);font-size:.9rem;}
.pricing-tabs .ui-tabs-nav .ui-state-active{background:var(--navy);border-color:var(--navy);}
.pricing-tabs .ui-tabs-nav .ui-state-active .ui-tabs-anchor{color:#fff;}
.pricing-tabs .ui-widget.ui-widget-content{border:none;background:none;}
.price-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:2.4rem 2rem;text-align:center;
  height:100%;transition:.35s var(--ease);position:relative;
}
.price-card.featured{border:2px solid var(--gold);box-shadow:var(--shadow-md);transform:scale(1.03);}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.price-card.featured:hover{transform:scale(1.03) translateY(-6px);}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:var(--navy-deep);font-size:.72rem;font-weight:700;padding:.35rem 1rem;border-radius:50px;text-transform:uppercase;letter-spacing:.05em;}
.price-figure{font-size:2.6rem;font-weight:700;color:var(--navy);}
.price-suffix{font-size:.95rem;color:var(--slate-light);}
.price-list{list-style:none;padding:0;margin:1.6rem 0;text-align:left;font-size:.92rem;}
.price-list li{padding:.5rem 0;border-bottom:1px dashed var(--line);display:flex;gap:.6rem;}
.price-list li::before{content:"✓";color:var(--teal);font-weight:700;}

/* ---------- FAQ (jQuery UI accordion) ---------- */
.faq-accordion .ui-accordion-header{
  background:#fff;border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:.8rem;
  padding:1rem 1.3rem;font-weight:700;color:var(--navy);font-family:'Space Grotesk';
}
.faq-accordion .ui-accordion-header.ui-state-active{background:var(--navy);color:#fff;border-color:var(--navy)!important;}
.faq-accordion .ui-accordion-content{border:none!important;background:transparent;padding:.8rem 1.5rem 1.4rem;}
.faq-accordion .ui-accordion-header-icon{display:none;}
.faq-accordion .ui-accordion-header::after{content:"+";float:right;font-size:1.3rem;}
.faq-accordion .ui-accordion-header.ui-state-active::after{content:"–";}

/* ---------- Forms ---------- */
.form-control-solar{
  border:1.5px solid var(--line);border-radius:10px;padding:.8rem 1rem;font-size:.94rem;transition:.25s;
}
.form-control-solar:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(11,110,118,.12);outline:none;}
.form-floating-label{font-size:.82rem;font-weight:700;color:var(--navy);margin-bottom:.4rem;display:block;}

/* ---------- Counters / stats strip ---------- */
.stats-strip{background:var(--navy);color:#fff;padding:3.2rem 0;position:relative;}
.stats-strip .stat-number{font-size:2.4rem;color:var(--gold);}
.stats-strip .stat-label{font-size:.82rem;color:#a9b6cc;text-transform:uppercase;letter-spacing:.06em;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-deep);color:#aebbd0;padding:4.5rem 0 0;}
footer.site-footer h6{color:#fff;font-family:'Space Grotesk';margin-bottom:1.1rem;}
footer.site-footer a{color:#aebbd0;transition:.2s;}
footer.site-footer a:hover{color:var(--gold);}
footer.site-footer .footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:3rem;padding:1.4rem 0;font-size:.82rem;}
.social-dot{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;transition:.25s;
}
.social-dot:hover{background:var(--gold);border-color:var(--gold);color:var(--navy-deep)!important;}

/* ---------- Back to top ---------- */
#backToTop{
  position:fixed;bottom:28px;right:28px;width:48px;height:48px;border-radius:50%;
  background:var(--gold);color:var(--navy-deep);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(240,168,58,.4);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.3s var(--ease);z-index:1040;border:none;font-size:1.1rem;
}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0);}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}

/* ---------- Misc ---------- */
.divider-dot{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;margin:0 .6rem;}
.badge-soft{background:rgba(11,110,118,.1);color:var(--teal);font-weight:700;padding:.4rem .9rem;border-radius:50px;font-size:.75rem;}
.section-title{font-size:2.1rem;max-width:640px;}
.underline-teal{position:relative;display:inline-block;}
.underline-teal::after{content:"";position:absolute;left:0;bottom:2px;width:100%;height:8px;background:rgba(46,196,193,.28);z-index:-1;}

@media(max-width:991px){
  .hero{padding:8rem 0 4rem;text-align:center;}
  .hero .lead-sub{margin:0 auto;}
  .hero-stats{justify-content:center;}
  .hero h1{font-size:2.3rem;}
  .hero-panel-badge{display:none;}
  .navbar-main{top:0;}
  .topbar{display:none;}
}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .circuit-line,.hero-sun,.hero-panel-badge{animation:none!important;}
}