/* ==========================================================
   Shree Sai Sevabhavi Sanstha — Stylesheet
   Palette: White #FFFFFF | Sky Blue #4FC3F7 | Green #4CAF50 | Orange #FF9800
========================================================== */

:root{
  --white:#FFFFFF;
  --sky:#4FC3F7;
  --green:#4CAF50;
  --orange:#FF9800;
  --navy:#163A5F;
  --navy-deep:#0F2842;
  --bg-soft:#F5FAFF;
  --text-muted:#5C6B7A;
  --radius:18px;
  --shadow-soft:0 10px 30px rgba(22,58,95,0.08);
  --shadow-hover:0 18px 40px rgba(22,58,95,0.15);
  --font-heading:'Poppins', sans-serif;
  --font-body:'Nunito', sans-serif;
}

[data-theme="dark"]{
  --white:#101826;
  --bg-soft:#0B1420;
  --navy:#EAF4FF;
  --text-muted:#AAB8C6;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  overflow-x:hidden;
  transition:background .3s ease,color .3s ease;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading); color:var(--navy); font-weight:700;}
p{line-height:1.75;}
a{text-decoration:none;}
img{max-width:100%; display:block;}

/* ===== Scroll progress ===== */
#scrollProgress{
  position:fixed; top:0; left:0; height:4px; width:0%;
  background:linear-gradient(90deg,var(--sky),var(--green),var(--orange));
  z-index:2000;
}

/* ===== Preloader ===== */
#preloader{
  position:fixed; inset:0; background:var(--navy-deep); z-index:3000;
  display:flex; align-items:center; justify-content:center;
  transition:opacity .5s ease, visibility .5s ease;
}
#preloader.hide{opacity:0; visibility:hidden;}
.preloader-inner{text-align:center; color:#fff;}
.preloader-inner i{font-size:3rem; color:var(--orange); animation:pulse 1.2s infinite;}
.preloader-inner span{display:block; margin-top:1rem; font-family:var(--font-heading); letter-spacing:1px;}
@keyframes pulse{0%,100%{transform:scale(1);}50%{transform:scale(1.15);}}

/* ===== Navbar ===== */
.navbar{
  padding:18px 0; transition:all .35s ease; background:transparent;
}
.navbar.scrolled{
  background:rgba(255,255,255,0.95); backdrop-filter:blur(10px);
  padding:10px 0; box-shadow:0 4px 20px rgba(0,0,0,0.06);
}
.navbar-brand{
  font-family:var(--font-heading); font-weight:700; font-size:1.25rem; color:#fff;
}
.navbar.scrolled .navbar-brand{color:var(--navy);}
.navbar-brand i{color:var(--orange);}
.nav-link{
  color:#fff; font-weight:600; margin:0 6px; position:relative;
}
.navbar.scrolled .nav-link{color:var(--navy);}
.nav-link::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--orange); transition:width .3s ease;
}
.nav-link:hover::after{width:100%;}
.btn-cta{
  background:linear-gradient(135deg,var(--orange),#ff7a00);
  color:#fff !important; border:none; border-radius:50px; padding:10px 26px;
  font-weight:600; box-shadow:0 8px 20px rgba(255,152,0,0.35); transition:transform .25s ease, box-shadow .25s ease;
}
.btn-cta:hover{transform:translateY(-3px); box-shadow:0 14px 28px rgba(255,152,0,0.45); color:#fff;}
.btn-outline-light-custom{
  border:2px solid #fff; color:#fff; border-radius:50px; padding:10px 26px; font-weight:600; background:transparent;
}
.btn-outline-light-custom:hover{background:#fff; color:var(--navy);}
.btn-icon-toggle{
  border:1px solid rgba(255,255,255,0.5); background:transparent; color:#fff; border-radius:50%;
  width:38px; height:38px;
}
.navbar.scrolled .btn-icon-toggle{color:var(--navy); border-color:rgba(22,58,95,0.3);}

/* ===== Hero ===== */
.hero{
  position:relative; min-height:100vh;
  background:linear-gradient(180deg, rgba(15,40,66,.55), rgba(15,40,66,.75)), url('https://images.unsplash.com/photo-1509099836639-18ba1795216d?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}
.hero-overlay{position:absolute; inset:0; background:radial-gradient(circle at 30% 20%, rgba(79,195,247,.25), transparent 60%);}
.hero-eyebrow{
  letter-spacing:3px; text-transform:uppercase; font-weight:600; color:var(--sky); margin-bottom:1rem;
}
.hero-title{
  font-size:clamp(2.2rem,5vw,4rem); font-weight:800; color:#fff; line-height:1.2; max-width:900px; margin:0 auto 1.2rem;
}
.hero-title span{color:var(--orange);}
.hero-sub{
  font-size:1.15rem; max-width:700px; margin:0 auto 2rem; color:#e8f3fb;
}
.hero-btns{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}
.scroll-down{
  position:absolute; bottom:30px; left:50%; transform:translateX(-50%);
  color:#fff; font-size:1.4rem; animation:bounce 2s infinite;
}
@keyframes bounce{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,10px);}}

/* ===== Sections ===== */
.section-pad{padding:100px 0;}
.bg-soft{background:var(--bg-soft);}
.section-tag{
  display:inline-block; color:var(--green); font-weight:700; letter-spacing:2px; text-transform:uppercase;
  font-size:.8rem; margin-bottom:.75rem;
}
.section-tag.light{color:var(--sky);}
.section-title{font-size:clamp(1.7rem,3vw,2.5rem); margin-bottom:1rem;}
.section-desc{max-width:600px;}

/* ===== About ===== */
.about-img-wrap{position:relative;}
.about-badge{
  position:absolute; bottom:-24px; right:-10px; background:#fff; border-radius:16px;
  box-shadow:var(--shadow-hover); padding:16px 20px; display:flex; align-items:center; gap:12px;
}
.about-badge i{color:var(--orange); font-size:1.6rem;}
.about-badge strong{display:block; color:var(--navy);}
.about-badge span{font-size:.8rem; color:var(--text-muted);}
.mini-card{
  display:flex; gap:14px; background:var(--bg-soft); border-radius:14px; padding:16px; height:100%;
}
.mini-card i{color:var(--green); font-size:1.4rem; margin-top:4px;}
.mini-card p{margin:0; font-size:.9rem; color:var(--text-muted);}

/* wave divider */
.wave-divider{line-height:0;}
.wave-divider svg{width:100%; height:70px; display:block;}
.wave-divider path{fill:var(--bg-soft);}

/* ===== Program Cards ===== */
.program-card{
  background:#fff; border-radius:var(--radius); padding:34px 26px; text-align:center;
  box-shadow:var(--shadow-soft); height:100%; transition:transform .3s ease, box-shadow .3s ease;
}
.program-card:hover{transform:translateY(-10px); box-shadow:var(--shadow-hover);}
.program-icon{
  width:70px; height:70px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px; font-size:1.6rem; color:#fff;
}
.bg-blue{background:linear-gradient(135deg,var(--sky),#1FA9E8);}
.bg-green{background:linear-gradient(135deg,var(--green),#2E7D32);}
.bg-orange{background:linear-gradient(135deg,var(--orange),#F57C00);}
.program-card h5{margin-bottom:10px;}
.program-card p{color:var(--text-muted); font-size:.92rem;}
.learn-more{color:var(--navy); font-weight:600; font-size:.9rem;}
.learn-more i{margin-left:4px; transition:transform .25s ease;}
.learn-more:hover i{transform:translateX(4px);}

/* ===== Partnerships ===== */
.partner-type{
  background:#fff; border-radius:16px; padding:24px 12px; box-shadow:var(--shadow-soft); height:100%;
}
.partner-type i{font-size:1.8rem; color:var(--sky); margin-bottom:10px;}
.partner-type p{margin:0; font-weight:600; font-size:.9rem;}
.logo-marquee{overflow:hidden; position:relative; border-top:1px solid #eee; border-bottom:1px solid #eee; padding:20px 0;}
.logo-track{display:flex; gap:60px; width:max-content; animation:scrollLeft 20s linear infinite;}
.logo-track span{
  font-family:var(--font-heading); font-weight:700; color:var(--text-muted); opacity:.6; font-size:1.1rem; white-space:nowrap;
}
@keyframes scrollLeft{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}

/* ===== Support ===== */
.support-card{
  background:#fff; border-radius:var(--radius); padding:30px; text-align:center; height:100%;
  box-shadow:var(--shadow-soft); transition:transform .3s ease;
}
.support-card:hover{transform:translateY(-8px);}
.support-card i{font-size:2rem; color:var(--orange); margin-bottom:14px;}
.support-card p{color:var(--text-muted); font-size:.9rem; margin-bottom:16px;}

/* ===== Donation ===== */
.donation-section{
  background:linear-gradient(135deg,var(--navy-deep),var(--navy));
  position:relative;
}
.payment-icons li{color:#fff; font-weight:600; font-size:.9rem; display:flex; align-items:center; gap:8px;}
.payment-icons i{color:var(--sky); font-size:1.2rem;}
.qr-placeholder{
  width:150px; height:150px; border:2px dashed rgba(255,255,255,0.4); border-radius:14px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; color:#fff; gap:8px;
}
.qr-placeholder i{font-size:2.4rem; color:var(--sky);}
.qr-placeholder span{font-size:.75rem; opacity:.8;}
.glass-card{
  background:rgba(255,255,255,0.08); backdrop-filter:blur(16px); border:1px solid rgba(255,255,255,0.15);
  border-radius:var(--radius); padding:34px; box-shadow:0 20px 50px rgba(0,0,0,.25);
}
.glass-card .form-control{
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.2); color:#fff; border-radius:10px; padding:12px 14px;
}
.glass-card .form-control::placeholder{color:rgba(255,255,255,0.6);}
.glass-card .form-control:focus{background:rgba(255,255,255,0.15); box-shadow:none; border-color:var(--sky); color:#fff;}
.amount-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:10px;}
.amount-btn{
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.25); color:#fff; border-radius:10px;
  padding:10px; font-weight:600; transition:all .25s ease;
}
.amount-btn:hover, .amount-btn.active{background:var(--orange); border-color:var(--orange);}
.custom-amount{grid-column:span 3;}

/* ===== Volunteer ===== */
.benefit-item{
  background:var(--bg-soft); border-radius:12px; padding:14px 16px; font-weight:600; font-size:.9rem;
  display:flex; align-items:center; gap:10px; color:var(--navy);
}
.benefit-item i{color:var(--green);}
.glass-card-light{
  background:#fff; border-radius:var(--radius); padding:34px; box-shadow:var(--shadow-soft); border:1px solid #eef2f6;
}
.glass-card-light .form-control, .glass-card-light .form-select{
  border-radius:10px; padding:12px 14px; border:1px solid #e0e6ec;
}
.glass-card-light .form-control:focus, .glass-card-light .form-select:focus{
  box-shadow:0 0 0 3px rgba(79,195,247,0.25); border-color:var(--sky);
}

/* ===== Community Login ===== */
.login-section{
  background:linear-gradient(135deg, var(--navy-deep), #1a4a75);
}
.login-card{
  background:rgba(255,255,255,0.08); backdrop-filter:blur(20px); border:1px solid rgba(255,255,255,0.18);
  border-radius:24px; padding:44px 36px; box-shadow:0 25px 60px rgba(0,0,0,.3);
}
.login-icon{font-size:2.6rem; color:var(--sky); margin-bottom:10px;}
.login-card h4{color:#fff;}
.login-card .form-control{
  background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.25); color:#fff; border-radius:10px;
}
.login-card .form-control::placeholder{color:rgba(255,255,255,0.6);}
.login-card .form-control:focus{background:rgba(255,255,255,0.15); box-shadow:none; border-color:var(--sky); color:#fff;}
.text-light-link{color:var(--sky) !important;}

/* ===== Impact ===== */
.impact-section{background:var(--bg-soft);}
.counter-box{
  background:#fff; border-radius:16px; padding:26px 10px; box-shadow:var(--shadow-soft);
}
.counter{
  font-size:2.2rem; font-weight:800; color:var(--orange); font-family:var(--font-heading); margin-bottom:4px;
}
.counter-box span{font-size:.85rem; color:var(--text-muted); font-weight:600;}

/* ===== Gallery ===== */
.gallery-item{
  position:relative; border-radius:16px; overflow:hidden; cursor:pointer; height:220px;
}
.gallery-item img{width:100%; height:100%; object-fit:cover; transition:transform .5s ease;}
.gallery-item:hover img{transform:scale(1.12);}
.gallery-overlay{
  position:absolute; inset:0; background:linear-gradient(180deg,transparent 50%, rgba(15,40,66,.85));
  display:flex; align-items:flex-end; padding:16px; opacity:0; transition:opacity .3s ease;
}
.gallery-item:hover .gallery-overlay{opacity:1;}
.gallery-overlay span{color:#fff; font-weight:700;}
.lightbox{
  position:fixed; inset:0; background:rgba(15,40,66,.95); display:none; align-items:center; justify-content:center;
  z-index:2500; padding:20px;
}
.lightbox.active{display:flex;}
.lightbox img{max-width:90%; max-height:85vh; border-radius:12px;}
.lightbox-close{position:absolute; top:30px; right:40px; color:#fff; font-size:2rem; cursor:pointer;}

/* ===== Testimonials ===== */
.testi-card{
  max-width:640px; text-align:center; background:#fff; border-radius:var(--radius); padding:40px;
  box-shadow:var(--shadow-soft);
}
.testi-avatar{width:80px; height:80px; border-radius:50%; object-fit:cover; margin:0 auto 18px; border:3px solid var(--sky);}
.testi-card p{font-style:italic; color:var(--text-muted); font-size:1.05rem;}
.testi-card h6{margin-top:14px; margin-bottom:0;}
.testi-card h6 span{display:block; font-size:.8rem; color:var(--green); font-weight:600;}
#testiCarousel .carousel-control-prev, #testiCarousel .carousel-control-next{width:5%;}
#testiCarousel .carousel-control-prev-icon, #testiCarousel .carousel-control-next-icon{
  background-color:var(--orange); border-radius:50%; padding:14px; background-size:16px;
}

/* ===== News ===== */
.news-card{
  background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-soft); position:relative;
  transition:transform .3s ease;
}
.news-card:hover{transform:translateY(-8px);}
.news-card img{height:200px; object-fit:cover; width:100%;}
.news-date{
  position:absolute; top:16px; left:16px; background:var(--orange); color:#fff; border-radius:10px;
  padding:8px 12px; text-align:center; font-weight:700; font-size:.8rem; line-height:1.1;
}
.news-date span{display:block; font-size:1.3rem;}
.news-body{padding:20px;}
.news-body p{color:var(--text-muted); font-size:.9rem; margin:0;}

/* ===== Contact ===== */
.contact-info-card{
  background:var(--bg-soft); border-radius:var(--radius); padding:32px;
}
.contact-info-card p{margin-bottom:14px; color:var(--text-muted);}
.contact-info-card p i{color:var(--green); width:22px;}
.social-row{display:flex; gap:12px;}
.social-row a{
  width:38px; height:38px; border-radius:50%; background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center; transition:background .25s ease;
}
.social-row a:hover{background:var(--orange);}
.map-embed{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-soft);}

/* ===== Footer ===== */
.footer{
  background:var(--navy-deep); color:#cfe1f0; padding:70px 0 30px; margin-top:60px;
}
.footer h5, .footer h6{color:#fff;}
.footer-brand{font-family:var(--font-heading);}
.footer-links{list-style:none; padding:0; margin:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#cfe1f0; opacity:.85;}
.footer-links a:hover{color:var(--orange); opacity:1;}
.footer hr{border-color:rgba(255,255,255,0.15); margin:40px 0 20px;}
.copyright{color:#9fb4c8; font-size:.85rem;}
.newsletter-form{display:flex; gap:8px;}
.newsletter-form input{
  flex:1; border-radius:10px; border:1px solid rgba(255,255,255,0.2); background:rgba(255,255,255,0.06);
  color:#fff; padding:10px 14px;
}
.newsletter-form input::placeholder{color:rgba(255,255,255,0.5);}
.newsletter-form button{
  background:var(--orange); border:none; color:#fff; width:44px; border-radius:10px;
}

/* ===== Floating Buttons ===== */
.float-btn{
  position:fixed; width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.3rem; box-shadow:0 8px 20px rgba(0,0,0,.25); z-index:1500; transition:transform .25s ease;
}
.float-btn:hover{transform:scale(1.1); color:#fff;}
.whatsapp-btn{background:#25D366; right:24px; bottom:180px;}
.call-btn{background:var(--sky); right:24px; bottom:114px;}
.donate-btn{background:var(--orange); right:24px; bottom:48px;}
.back-to-top{
  background:var(--navy); left:24px; bottom:48px; border:none; opacity:0; visibility:hidden; transform:translateY(20px);
}
.back-to-top.show{opacity:1; visibility:visible; transform:translateY(0);}

/* ===== Page Header (inner pages) ===== */
.page-header{
  padding:180px 0 90px; background-size:cover; background-position:center; position:relative;
}
.page-header h1{color:#fff; font-size:clamp(2rem,4vw,3rem); margin-bottom:.6rem;}
.page-header p{color:#e8f3fb; max-width:600px; margin:0 auto 1rem;}
.page-header .breadcrumb{background:transparent; display:inline-flex; padding:0;}
.page-header .breadcrumb-item a{color:var(--sky); font-weight:600;}
.page-header .breadcrumb-item.active{color:rgba(255,255,255,0.7) !important;}
.page-header .breadcrumb-item+.breadcrumb-item::before{color:rgba(255,255,255,0.5);}

/* nav active state */
.nav-link.active{color:var(--orange) !important;}
.nav-link.active::after{width:100%;}

/* CTA banner */
.cta-banner{
  background:linear-gradient(135deg,var(--green),#2E7D32);
  padding:70px 0; color:#fff;
}
.cta-banner h2{color:#fff; margin-bottom:10px;}
.cta-banner p{color:rgba(255,255,255,0.85); margin-bottom:24px;}

.btn-outline-navy{
  border:2px solid var(--navy); color:var(--navy); border-radius:50px; padding:10px 26px; font-weight:600; background:transparent;
}
.btn-outline-navy:hover{background:var(--navy); color:#fff;}

/* Standalone donation / login pages need top padding since no full hero */
.donation-page, .login-page{padding-top:160px;}

/* ===== Responsive ===== */
@media (max-width:991px){
  .navbar{background:rgba(15,40,66,0.96);}
  .navbar-collapse{margin-top:14px; background:rgba(15,40,66,0.96); border-radius:14px; padding:16px;}
  .nav-link, .navbar.scrolled .nav-link{color:#fff !important;}
  .about-badge{position:static; margin-top:16px;}
}
@media (max-width:576px){
  .section-pad{padding:70px 0;}
  .float-btn{width:46px; height:46px; font-size:1.1rem;}
  .whatsapp-btn{bottom:160px; right:16px;}
  .call-btn{bottom:100px; right:16px;}
  .donate-btn{bottom:40px; right:16px;}
  .back-to-top{left:16px; bottom:40px;}
}