/* =========================================================
   Sai Shakti Group of Companies — Design System
   Palette: Navy + Sky Blue + White (soft, premium, calm)
   ========================================================= */

:root{
  /* Core palette */
  --navy:        #0E2A47;
  --navy-700:    #123A5C;
  --navy-600:    #16466C;
  --sky-50:      #F2FAFE;
  --sky-100:     #E4F4FC;
  --sky-200:     #CBEAF9;
  --sky-300:     #9FDAF3;
  --sky-400:     #6BC5EA;
  --sky-500:     #3FA9E0;
  --sky-600:     #1E8FC4;
  --white:       #FFFFFF;
  --green:       #2E9E5B;
  --green-light: #E7F7EE;
  --ink:         #16232F;
  --gray-600:    #56677A;
  --gray-400:    #8CA0B3;
  --border:      #E4ECF3;

  /* Type */
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Effects */
  --shadow-sm: 0 2px 10px rgba(14,42,71,.06);
  --shadow-md: 0 10px 30px rgba(14,42,71,.10);
  --shadow-lg: 0 20px 60px rgba(14,42,71,.16);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: .35s cubic-bezier(.25,.8,.25,1);
}

/* =========================================================
   Base
   ========================================================= */
*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family: var(--font-display);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
}
p{ color: var(--gray-600); }
a{ color: var(--sky-600); text-decoration: none; transition: color var(--transition); }
a:hover{ color: var(--navy); }
img{ max-width: 100%; height: auto; }

.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--navy); color: #fff; padding: .6rem 1rem;
  z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

:focus-visible{ outline: 3px solid var(--sky-500); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

.section{ padding: 5.5rem 0; }
.section-sm{ padding: 3.5rem 0; }
.bg-sky{ background: linear-gradient(180deg, var(--sky-50), var(--white)); }
.bg-navy{ background: var(--navy); color: #fff; }
.bg-navy p, .bg-navy h1, .bg-navy h2, .bg-navy h3{ color: #fff; }

.eyebrow{
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--font-display); font-weight: 600; font-size: .8rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--sky-600);
  margin-bottom: .6rem;
}
.eyebrow::before{ content:''; width: 22px; height: 2px; background: var(--sky-500); display:inline-block; }

.section-title{ font-size: clamp(1.7rem, 3vw, 2.5rem); margin-bottom: .6rem; }
.section-lead{ max-width: 640px; color: var(--gray-600); font-size: 1.05rem; }
.divider-wave{ width: 70px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--sky-500), var(--green)); margin: 1rem 0 1.5rem; }
.text-center .divider-wave{ margin-left: auto; margin-right: auto; }

/* =========================================================
   Buttons
   ========================================================= */
.btn{ font-family: var(--font-display); font-weight: 600; border-radius: 999px; padding: .7rem 1.6rem; transition: all var(--transition); }
.btn-cta{ background: var(--sky-500); color: #fff; border: none; box-shadow: 0 8px 20px rgba(63,169,224,.35); }
.btn-cta:hover{ background: var(--navy); color: #fff; transform: translateY(-2px); box-shadow: 0 12px 26px rgba(14,42,71,.3); }
.btn-outline-navy{ border: 2px solid var(--navy); color: var(--navy); background: transparent; }
.btn-outline-navy:hover{ background: var(--navy); color: #fff; }
.btn-ghost{ color: var(--navy); font-weight: 600; display: inline-flex; align-items: center; gap: .4rem; }
.btn-ghost i{ transition: transform var(--transition); }
.btn-ghost:hover i{ transform: translateX(4px); }
.btn-lg{ padding: .9rem 2rem; font-size: 1.02rem; }

/* =========================================================
   Navbar
   ========================================================= */
.site-navbar{
  position: sticky; top: 0; z-index: 1050;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-navbar.scrolled{ box-shadow: var(--shadow-md); }
.navbar{ padding: .7rem 0; }
.brand-mark{ display:block; }
.brand-text{ display:flex; flex-direction: column; line-height: 1.1; }
.brand-title{ font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; color: var(--navy); }
.brand-sub{ font-size: .68rem; letter-spacing: .06em; text-transform: uppercase; color: var(--sky-600); font-weight: 600; }

.nav-link{ font-family: var(--font-display); font-weight: 600; color: var(--navy) !important; padding: .55rem 1rem !important; position: relative; }
.nav-link.active, .nav-link:hover{ color: var(--sky-600) !important; }
.nav-link.active::after{
  content:''; position:absolute; left: 1rem; right: 1rem; bottom: .15rem; height: 2px;
  background: var(--sky-500); border-radius: 2px;
}
.dropdown-menu{ border: none; box-shadow: var(--shadow-lg); border-radius: var(--radius-sm); padding: .5rem; }
.dropdown-item{ border-radius: 8px; padding: .55rem .9rem; font-weight: 500; }
.dropdown-item:hover{ background: var(--sky-50); color: var(--sky-600); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative; overflow: hidden;
  min-height: 92vh; display: flex; align-items: center;
  color: #fff;
}
.hero-bg{
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.05);
}
.hero-overlay{
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(14,42,71,.92) 0%, rgba(14,42,71,.72) 38%, rgba(16,80,120,.35) 70%, rgba(63,169,224,.15) 100%);
}
.hero-content{ position: relative; z-index: 2; padding: 6rem 0; }
.hero-title{ color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 1.2rem; }
.hero-title span{ color: var(--sky-300); }
.hero-text{ color: rgba(255,255,255,.85); font-size: 1.1rem; max-width: 560px; margin-bottom: 2rem; }
.hero-actions{ display:flex; gap: 1rem; flex-wrap: wrap; align-items:center; }
.hero-actions .btn-ghost{ color:#fff; }
.hero-actions .btn-ghost:hover{ color: var(--sky-300); }

.hero-dots{ position:absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 3; display:flex; gap:.5rem; }
.hero-dots button{ width: 9px; height: 9px; border-radius: 50%; border: none; background: rgba(255,255,255,.4); padding:0; }
.hero-dots button.active{ background: var(--sky-300); width: 24px; border-radius: 6px; }

.hero-sm{ min-height: 46vh; }
.hero-sm .hero-content{ padding: 4rem 0; }

/* wave / horizon divider echoing solar-panel rows */
.horizon-divider{ display:block; width:100%; height:70px; margin-top:-2px; }

/* =========================================================
   Stats strip
   ========================================================= */
.stats-strip{ background: #fff; }
.stat-card{ text-align:center; padding: 1rem; }
.stat-icon{ width: 54px; height:54px; display:flex; align-items:center; justify-content:center; margin: 0 auto .75rem; border-radius: 50%; background: var(--sky-50); color: var(--sky-600); font-size: 1.4rem; }
.stat-num{ font-family: var(--font-display); font-weight: 800; font-size: 2rem; color: var(--navy); }
.stat-label{ color: var(--gray-600); font-size: .92rem; }

/* =========================================================
   Glassmorphism company cards
   ========================================================= */
.company-card{
  position: relative; border-radius: var(--radius); overflow: hidden;
  min-height: 380px; display:flex; flex-direction:column; justify-content:flex-end;
  box-shadow: var(--shadow-md); transition: transform var(--transition), box-shadow var(--transition);
}
.company-card:hover{ transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.company-card .card-bg{
  position:absolute; inset:0; background-size: cover; background-position: center;
  transition: transform .6s ease;
}
.company-card:hover .card-bg{ transform: scale(1.08); }
.company-card .card-scrim{
  position:absolute; inset:0; background: linear-gradient(180deg, rgba(14,42,71,.05) 0%, rgba(14,42,71,.85) 90%);
}
.company-card .glass-panel{
  position: relative; z-index: 2; margin: 0 .75rem .75rem; padding: 1.25rem 1.25rem 1.4rem;
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 14px;
  color: #fff;
}
.company-card .card-icon{ width: 42px; height:42px; border-radius: 10px; background: rgba(255,255,255,.2); display:flex; align-items:center; justify-content:center; font-size:1.2rem; margin-bottom:.6rem; }
.company-card h3{ color:#fff; font-size: 1.15rem; margin-bottom:.4rem; }
.company-card p{ color: rgba(255,255,255,.82); font-size: .9rem; margin-bottom: .8rem; }
.company-card .card-link{ color: var(--sky-300); font-weight:600; font-size:.9rem; display:inline-flex; align-items:center; gap:.35rem; }
.company-card .card-link i{ transition: transform var(--transition); }
.company-card:hover .card-link i{ transform: translateX(4px); }

/* generic glass card (used on about/company pages) */
.glass-box{
  background: rgba(255,255,255,.6);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

/* =========================================================
   Generic content cards
   ========================================================= */
.info-card{
  background:#fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 2rem 1.75rem; height:100%; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.info-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.info-card .icon-wrap{ width:56px; height:56px; border-radius: 14px; background: var(--sky-50); color: var(--sky-600); display:flex; align-items:center; justify-content:center; font-size:1.5rem; margin-bottom:1.1rem; }
.info-card h4{ font-size: 1.1rem; margin-bottom:.6rem; }
.info-card p{ font-size: .93rem; margin-bottom:0; }

/* Product cards */
.product-card{ border-radius: var(--radius); overflow:hidden; background:#fff; border:1px solid var(--border); transition: transform var(--transition), box-shadow var(--transition); height:100%; }
.product-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card .product-img{ height: 210px; overflow:hidden; }
.product-card .product-img img{ width:100%; height:100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-img img{ transform: scale(1.07); }
.product-card .product-body{ padding: 1.3rem 1.4rem 1.5rem; }
.product-tag{ display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color: var(--green); background: var(--green-light); padding:.25rem .6rem; border-radius: 999px; margin-bottom:.6rem; }

/* Testimonials */
.testimonial-card{ background:#fff; border-radius: var(--radius); border:1px solid var(--border); padding: 1.6rem; height:100%; position:relative; transition: transform var(--transition), box-shadow var(--transition); }
.testimonial-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.testimonial-card .quote-icon{ color: var(--sky-200); font-size: 2rem; position:absolute; top: 1.1rem; right: 1.3rem; }
.testimonial-avatar{ width: 58px; height:58px; border-radius:50%; object-fit:cover; border: 3px solid var(--sky-100); }
.testimonial-name{ font-family: var(--font-display); font-weight:700; color: var(--navy); margin-bottom:0; }
.testimonial-role{ font-size:.8rem; color: var(--sky-600); }
.play-badge{
  width: 34px; height:34px; border-radius:50%; background: var(--sky-500); color:#fff;
  display:inline-flex; align-items:center; justify-content:center; cursor:pointer; border:none;
  box-shadow: 0 6px 16px rgba(63,169,224,.4); transition: transform var(--transition);
}
.play-badge:hover{ transform: scale(1.1); background: var(--navy); }

/* Gallery */
.gallery-item{ position:relative; overflow:hidden; border-radius: var(--radius-sm); cursor:pointer; }
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition: transform .5s ease; display:block; }
.gallery-item:hover img{ transform: scale(1.1); }
.gallery-item::after{
  content:''; position:absolute; inset:0; background: linear-gradient(180deg, transparent 40%, rgba(14,42,71,.75)); opacity:0; transition: opacity var(--transition);
}
.gallery-item:hover::after{ opacity:1; }
.gallery-item .gallery-caption{
  position:absolute; left: .9rem; bottom: .8rem; z-index: 2; color:#fff; font-weight:600; font-size:.9rem;
  opacity:0; transform: translateY(8px); transition: all var(--transition);
}
.gallery-item:hover .gallery-caption{ opacity:1; transform: translateY(0); }
.gallery-item .zoom-icon{ position:absolute; top:.8rem; right:.8rem; z-index:2; color:#fff; opacity:0; transition: opacity var(--transition); }
.gallery-item:hover .zoom-icon{ opacity:1; }

/* CSR */
.csr-card{ background: var(--white); border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow-sm); height:100%; transition: box-shadow var(--transition), transform var(--transition); }
.csr-card:hover{ transform: translateY(-6px); box-shadow: var(--shadow-md); }
.csr-card img{ height: 190px; width:100%; object-fit:cover; }
.csr-card .csr-body{ padding: 1.4rem; }

/* CTA band */
.cta-band{
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-600) 55%, var(--sky-600) 130%);
  border-radius: 24px; padding: 3.2rem; color: #fff; position: relative; overflow:hidden;
}
.cta-band::before{
  content:''; position:absolute; width:340px; height:340px; border-radius:50%;
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%);
  top:-120px; right:-80px;
}
.cta-band h2{ color:#fff; }
.cta-band p{ color: rgba(255,255,255,.85); }

/* =========================================================
   Forms
   ========================================================= */
.form-control, .form-select{
  border-radius: 10px; border: 1px solid var(--border); padding: .75rem 1rem; font-size:.95rem;
}
.form-control:focus, .form-select:focus{ border-color: var(--sky-400); box-shadow: 0 0 0 .2rem rgba(63,169,224,.18); }
.form-label{ font-weight:600; color: var(--navy); font-size:.9rem; margin-bottom:.4rem; }
.invalid-feedback{ display:block; }
.contact-panel{ background: var(--navy); color:#fff; border-radius: var(--radius); padding: 2.4rem; height:100%; }
.contact-panel h3{ color:#fff; }
.contact-panel .contact-item{ display:flex; gap: .9rem; margin-bottom: 1.3rem; align-items:flex-start; }
.contact-panel .contact-item i{ width: 42px; height:42px; flex:0 0 42px; border-radius:10px; background: rgba(255,255,255,.12); display:flex; align-items:center; justify-content:center; }

/* Alerts */
.alert-success-custom{ background: var(--green-light); color: var(--green); border:1px solid #bfe8cf; border-radius: var(--radius-sm); padding: 1rem 1.2rem; }

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--navy); color: rgba(255,255,255,.75); padding: 4.5rem 0 0; }
.footer-brand{ color:#fff; font-family: var(--font-display); font-weight:700; font-size:1.05rem; }
.footer-brand small{ color: var(--sky-300); font-weight:500; font-size:.7rem; letter-spacing:.05em; text-transform:uppercase; }
.footer-text{ color: rgba(255,255,255,.6); font-size:.9rem; }
.footer-heading{ color:#fff; font-family: var(--font-display); font-weight:700; margin-bottom:1.1rem; font-size:.95rem; }
.footer-links{ list-style:none; padding:0; margin:0; }
.footer-links li{ margin-bottom:.65rem; }
.footer-links a{ color: rgba(255,255,255,.65); font-size:.9rem; }
.footer-links a:hover{ color: var(--sky-300); }
.footer-contact{ list-style:none; padding:0; margin:0; }
.footer-contact li{ display:flex; gap:.7rem; margin-bottom:.9rem; font-size:.88rem; align-items:flex-start; }
.footer-contact i{ color: var(--sky-300); margin-top:.2rem; }
.social-links{ display:flex; gap:.6rem; }
.social-links a{ width:36px; height:36px; border-radius:50%; background: rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center; color:#fff; }
.social-links a:hover{ background: var(--sky-500); }
.footer-bottom{ border-top: 1px solid rgba(255,255,255,.12); margin-top: 2.5rem; padding: 1.3rem 0; font-size:.85rem; }
.footer-bottom a{ color: rgba(255,255,255,.75); }

.back-to-top{
  position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 1100;
  width: 46px; height:46px; border-radius:50%; border:none; background: var(--sky-500); color:#fff;
  box-shadow: var(--shadow-md); opacity:0; visibility:hidden; transform: translateY(10px);
  transition: all var(--transition);
}
.back-to-top.show{ opacity:1; visibility:visible; transform: translateY(0); }
.back-to-top:hover{ background: var(--navy); }

/* =========================================================
   Page hero small banners (inner pages)
   ========================================================= */
.breadcrumb-inline{ color: rgba(255,255,255,.75); font-size:.9rem; }
.breadcrumb-inline a{ color: rgba(255,255,255,.75); }
.breadcrumb-inline a:hover{ color:#fff; }

/* Mission / vision */
.mv-card{ border-radius: var(--radius); padding: 2rem; height:100%; }
.mv-card.mission{ background: var(--sky-50); border: 1px solid var(--sky-100); }
.mv-card.vision{ background: var(--green-light); border: 1px solid #cdeedb; }
.mv-card i{ font-size: 2rem; color: var(--sky-600); margin-bottom: 1rem; display:block; }
.mv-card.vision i{ color: var(--green); }

/* Timeline (about page) */
.timeline{ position:relative; padding-left: 2.2rem; }
.timeline::before{ content:''; position:absolute; left: 9px; top:6px; bottom:6px; width:2px; background: var(--sky-200); }
.timeline-item{ position:relative; padding-bottom: 2.2rem; }
.timeline-item::before{ content:''; position:absolute; left:-2.2rem; top:2px; width:20px; height:20px; border-radius:50%; background:#fff; border: 3px solid var(--sky-500); }
.timeline-year{ font-family: var(--font-display); font-weight:700; color: var(--sky-600); font-size:.85rem; letter-spacing:.05em; }

/* Values grid */
.value-pill{ display:flex; align-items:center; gap:.9rem; padding: 1.1rem 1.3rem; background:#fff; border:1px solid var(--border); border-radius: var(--radius-sm); transition: box-shadow var(--transition), transform var(--transition); }
.value-pill:hover{ box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.value-pill i{ font-size:1.4rem; color: var(--sky-600); }

/* Leadership */
.leader-card{ text-align:center; }
.leader-photo{ width:150px; height:150px; border-radius:50%; object-fit:cover; margin: 0 auto 1rem; border: 4px solid var(--sky-100); }
.leader-name{ margin-bottom:.15rem; }
.leader-role{ color: var(--sky-600); font-weight:600; font-size:.88rem; }

/* Company profile page */
.company-hero{ min-height: 60vh; }
.service-list-item{ display:flex; gap:1rem; padding: 1rem 0; border-bottom: 1px solid var(--border); }
.service-list-item:last-child{ border-bottom:none; }
.service-list-item i{ color: var(--sky-600); font-size:1.3rem; margin-top:.2rem; }

/* Utility */
.text-sky{ color: var(--sky-600) !important; }
.text-green{ color: var(--green) !important; }
.bg-sky-50{ background: var(--sky-50) !important; }
.rounded-xl{ border-radius: var(--radius) !important; }
.lazy-img{ background: var(--sky-50); }

@media (max-width: 991.98px){
  .navbar-collapse{ background:#fff; padding: 1rem; border-radius: var(--radius-sm); margin-top: .8rem; box-shadow: var(--shadow-md); }
  .hero{ min-height: 78vh; text-align:center; }
  .hero-actions{ justify-content:center; }
  .hero-text{ margin-left:auto; margin-right:auto; }
}
@media (max-width: 575.98px){
  .section{ padding: 3.5rem 0; }
  .cta-band{ padding: 2.2rem; }
}