:root{
  --radha-yellow:#fdf036;
  --radha-dark:#111827;
  --radha-blue:#0057b8;
  --radha-soft:#f6f7fb;
  --radha-green:#0f766e;
}

*{
  box-sizing:border-box;
}

body{
  font-family:Arial,Helvetica,sans-serif;
  line-height:1.65;
  color:#222;
  background:#fff;
  overflow-x:hidden;
}

/* ================= TOP BAR ================= */

.top-bar-radha{
  background:#2f2f2f;
  color:#fff;
  font-size:15px;
}

.top-bar-radha .container{
  display:flex !important;
  flex-direction:row !important;
  justify-content:space-between !important;
  align-items:center !important;
}

.top-bar-radha .container > div:first-child{
  text-align:left;
}

.top-bar-radha .container > div:last-child{
  text-align:right;
}

/* ================= NAVBAR ================= */

.navbar-radha{
  background:var(--radha-yellow);
  box-shadow:0 6px 22px rgba(0,0,0,.15);
  z-index:999;
}

.navbar-radha .navbar-brand{
  font-size:1.5rem;
  font-weight:800;
  color:#fff!important;
  text-shadow:2px 2px 4px rgba(0,0,0,.45);
}

.navbar-radha .logo{
  width:190px;
  height:auto;
  margin-right:10px;
}

.navbar-radha .nav-link{
  color:#333!important;
  font-weight:700;
  border-radius:8px;
  margin:0 3px;
  padding:9px 12px!important;
}

.navbar-radha .nav-link:hover,
.navbar-radha .nav-link.active{
  background:rgba(0,0,0,.12);
}

/* ================= HERO CAROUSEL ================= */

.hero-slider .carousel-item{
  height:560px;
  background:#111;
}

.hero-slider img{
  height:560px;
  object-fit:cover;
  filter:brightness(.95);
  animation:slowZoom 7s ease-in-out infinite alternate;
}

.hero-slider .carousel-caption{
  bottom:130px;
  text-align:left;
  max-width:850px;
  left:9%;
  right:auto;

  background:rgba(0,0,0,.25);
  padding:24px 28px;
  border-radius:18px;
  backdrop-filter:blur(1px);
  -webkit-backdrop-filter:blur(1px);
  box-shadow:0 10px 24px rgba(0,0,0,.16);
}

.hero-slider h1{
  font-size:3.3rem;
  font-weight:900;
  letter-spacing:.5px;
}

.hero-slider p{
  font-size:1.25rem;
  max-width:760px;
}

.hero-slider .carousel-caption h1,
.hero-slider .carousel-caption p{
  text-shadow:0 3px 10px rgba(0,0,0,.55);
}

.hero-badge{
  display:inline-block;
  background:rgba(253,240,54,.95);
  color:#111;
  padding:8px 15px;
  border-radius:999px;
  font-weight:800;
  margin-bottom:15px;
}

/* ================= BUTTONS ================= */

.btn-radha{
  background:var(--radha-blue);
  color:#fff!important;
  border:0;
  border-radius:999px;
  padding:12px 24px;
  font-weight:800;
  text-decoration:none;
  display:inline-block;
  box-shadow:0 10px 22px rgba(0,87,184,.25);
  transition:.25s;
}

.btn-radha:hover{
  transform:translateY(-2px);
  box-shadow:0 16px 28px rgba(0,87,184,.35);
  text-decoration:none;
}

.btn-outline-radha{
  border:2px solid #fff;
  color:#fff!important;
  border-radius:999px;
  padding:10px 23px;
  font-weight:800;
  text-decoration:none;
  display:inline-block;
}

/* ================= SECTIONS ================= */

.section-pad{
  padding:70px 0;
}

.section-title{
  font-size:2.35rem;
  font-weight:900;
  color:#111;
  margin-bottom:12px;
}

.section-subtitle{
  font-size:1.1rem;
  color:#666;
  max-width:850px;
  margin:0 auto 35px;
}

/* ================= CARDS ================= */

.radha-card{
  height:100%;
  background:#fff;
  border-radius:18px;
  padding:28px;
  box-shadow:0 10px 30px rgba(0,0,0,.09);
  border:1px solid rgba(0,0,0,.04);
  transition:.3s;
  position:relative;
  overflow:hidden;
}

.radha-card:before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:5px;
  background:linear-gradient(90deg,var(--radha-yellow),var(--radha-blue));
}

.radha-card:hover{
  transform:translateY(-9px);
  box-shadow:0 18px 38px rgba(0,0,0,.16);
}

.icon-bubble{
  width:62px;
  height:62px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--radha-blue),#00b4d8);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:25px;
  margin-bottom:18px;
}

/* ================= PT FEATURE ZONE ================= */

.pt-feature-zone{
  background:radial-gradient(circle at top left,rgba(253,240,54,.45),transparent 35%),
             linear-gradient(135deg,#0b1220,#12284a);
  color:#fff;
  position:relative;
  overflow:hidden;
}

.floating-panel{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:20px;
  padding:22px;
  backdrop-filter:blur(6px);
  animation:floatPanel 4s ease-in-out infinite;
}

.floating-panel:nth-child(2){
  animation-delay:.6s;
}

.floating-panel:nth-child(3){
  animation-delay:1.1s;
}

.stat-number{
  font-size:2.7rem;
  font-weight:900;
  color:var(--radha-yellow);
}

/* ================= GALLERY ================= */

.gallery-tabs .nav-link{
  font-weight:900;
  color:#222;
  border-radius:999px;
  margin:5px;
  background:#eee;
}

.gallery-tabs .nav-link.active{
  background:var(--radha-blue);
  color:#fff;
}

.gallery-card{
  border:0;
  border-radius:18px;
  overflow:hidden;
  box-shadow:0 10px 24px rgba(0,0,0,.15);
  cursor:pointer;
  transition:.35s;
  background:#fff;
}

.gallery-card:hover{
  transform:scale(1.035) rotate(.4deg);
}

.gallery-card img{
  height:245px;
  width:100%;
  object-fit:cover;
  transition:.45s;
}

.gallery-card:hover img{
  transform:scale(1.1);
}

/* ================= BLOG ================= */

.blog-card img{
  height:220px;
  width:100%;
  object-fit:cover;
}

.blog-card .badge{
  background:var(--radha-blue);
}

/* ================= CTA + FOOTER ================= */

.cta-radha{
  background:linear-gradient(135deg,var(--radha-yellow),#fff48a);
  padding:60px 0;
}

.footer-radha{
  background:#111827;
  color:#fff;
  padding:30px 0;
}

/* ================= SCROLL REVEAL ================= */

.reveal-on-scroll{
  opacity:0;
  transform:translateY(35px);
  transition:all .8s ease;
}

.reveal-on-scroll.revealed{
  opacity:1;
  transform:translateY(0);
}

/* ================= LIGHTBOX ================= */

.radha-lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.86);
  z-index:9999;
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.radha-lightbox.active{
  display:flex;
}

.radha-lightbox img{
  max-width:92%;
  max-height:76vh;
  border-radius:14px;
  box-shadow:0 20px 50px #000;
}

.radha-lightbox .info{
  position:absolute;
  bottom:30px;
  left:50%;
  transform:translateX(-50%);
  color:#fff;
  text-align:center;
  width:90%;
}

.radha-lightbox .close-btn{
  position:absolute;
  right:25px;
  top:20px;
  color:#fff;
  font-size:38px;
  cursor:pointer;
}

/* ================= ADMIN ================= */

.admin-box{
  max-width:1100px;
  margin:40px auto;
  background:#fff;
  border-radius:18px;
  box-shadow:0 12px 38px rgba(0,0,0,.12);
  padding:28px;
}

.admin-list-item{
  border:1px solid #ddd;
  padding:14px;
  border-radius:12px;
  margin-bottom:12px;
  background:#fafafa;
}

/* ================= ANIMATIONS ================= */

@keyframes slowZoom{
  from{
    transform:scale(1);
  }
  to{
    transform:scale(1.08);
  }
}

@keyframes floatPanel{
  0%,100%{
    transform:translateY(0);
  }
  50%{
    transform:translateY(-14px);
  }
}

/* =========================================================
   CAROUSEL HEIGHT BALANCE FIX
   Desktop: covers the first screen neatly.
   Tablet/Mobile: controlled height.
   ========================================================= */

@media (min-width:992px){
  .hero-slider,
  .hero-slider .carousel-inner,
  .hero-slider .carousel-item,
  .hero-slider img{
    height:calc(100vh - 118px);
    min-height:560px;
    max-height:720px;
  }

  .hero-slider img{
    object-fit:cover;
  }

  .hero-slider .carousel-caption{
    bottom:130px;
  }
}

/* ================= TABLET ================= */

@media(max-width:991.98px){
  .top-bar-radha .container{
    text-align:center;
    gap:6px;
  }

  .navbar-brand{
    font-size:18px;
    max-width:calc(100% - 60px);
    white-space:normal;
    line-height:1.2;
  }

  .navbar-brand .logo{
    max-height:48px;
    width:auto;
    margin-right:8px;
  }

  .navbar-collapse{
    margin-top:12px;
  }

  .navbar-nav .nav-link{
    padding:10px 0;
    text-align:center;
  }

  .hero-slider,
  .hero-slider .carousel-inner,
  .hero-slider .carousel-item,
  .hero-slider img{
    height:500px;
  }

  .hero-slider img{
    object-fit:cover;
  }

  .hero-slider .carousel-caption{
    left:8%;
    right:8%;
    bottom:95px;
    padding:18px 16px;
    border-radius:14px;
    background:rgba(0,0,0,.32);
  }

  .hero-slider h1{
    font-size:2.2rem;
  }

  .carousel-caption h1{
    font-size:34px;
  }

  .carousel-caption p{
    max-width:720px;
    margin-left:auto;
    margin-right:auto;
  }

  .section-title{
    font-size:30px;
  }

  .section-subtitle{
    font-size:16px;
    padding-left:8px;
    padding-right:8px;
  }

  .expertise-bg-section{
    background-position:center top;
  }

  .expertise-bg-section .radha-card,
  .consultancy-section .radha-card,
  .section-pad.bg-light .radha-card{
    margin-bottom:0;
  }

  .consultancy-section .section-subtitle.text-left{
    text-align:center!important;
  }

  .pt-feature-zone{
    text-align:center;
  }

  .pt-feature-zone .section-title{
    text-align:center;
  }

  .floating-panel{
    min-height:150px;
  }

  .cta-radha{
    padding-left:15px;
    padding-right:15px;
  }
}

/* ================= MOBILE LANDSCAPE / LARGE PHONES ================= */

@media(max-width:767.98px){
  .top-bar-radha .container{
    flex-direction:column !important;
    text-align:center !important;
    gap:4px;
  }

  .top-bar-radha .container > div:first-child,
  .top-bar-radha .container > div:last-child{
    text-align:center;
  }

  .top-bar-radha{
    font-size:14px;
  }

  .top-bar-radha .container > div{
    width:100%;
  }

  .top-bar-radha a{
    display:inline-block;
    word-break:break-word;
  }

  .navbar{
    padding-left:10px;
    padding-right:10px;
  }

  .navbar-brand{
    font-size:16px;
  }

  .navbar-brand .logo{
    max-height:42px;
  }

  .hero-slider,
  .hero-slider .carousel-inner,
  .hero-slider .carousel-item,
  .hero-slider img{
    height:470px;
  }

  .carousel-caption{
    left:5%;
    right:5%;
    bottom:70px;
    padding:12px;
  }

  .carousel-caption h1{
    font-size:28px;
    line-height:1.2;
  }

  .carousel-caption p{
    font-size:15px;
    line-height:1.5;
  }

  .hero-badge{
    font-size:13px;
    padding:7px 11px;
  }

  .btn-radha,
  .btn-outline-radha{
    display:inline-block;
    width:auto;
    margin-top:8px;
    margin-bottom:4px;
    padding:10px 16px;
    font-size:14px;
  }

  .section-pad{
    padding-top:48px;
    padding-bottom:48px;
  }

  .section-title{
    font-size:26px;
    line-height:1.25;
  }

  .section-subtitle{
    font-size:15px;
    line-height:1.65;
    margin-bottom:26px;
  }

  .radha-card{
    padding:24px 18px;
  }

  .radha-card h3{
    font-size:21px;
  }

  .radha-card p{
    font-size:15px;
    line-height:1.6;
  }

  .icon-bubble{
    width:58px;
    height:58px;
    font-size:22px;
  }

  .expertise-bg-section .expertise-bg-overlay{
    background:rgba(5,24,45,.56);
  }

  .consultancy-section .row.mt-4{
    margin-top:18px!important;
  }

  .pt-feature-zone .row{
    justify-content:center;
  }

  .floating-panel{
    padding:22px 15px;
  }

  .stat-number{
    font-size:32px;
  }

  .cta-radha .lead{
    font-size:16px;
    line-height:1.6;
  }

  .footer-radha{
    font-size:14px;
    padding-left:15px;
    padding-right:15px;
  }
}

/* ================= SMALL MOBILE ================= */

@media(max-width:575.98px){
  .container,
  .container-fluid{
    padding-left:16px;
    padding-right:16px;
  }

  .top-bar-radha{
    font-size:13px;
    line-height:1.6;
  }

  .top-bar-radha .mx-2{
    margin-left:5px!important;
    margin-right:5px!important;
  }

  .navbar-brand{
    font-size:15px;
  }

  .navbar-brand .logo{
    max-height:38px;
  }

  .navbar-toggler{
    padding:5px 9px;
    font-size:20px;
  }

  .hero-slider,
  .hero-slider .carousel-inner,
  .hero-slider .carousel-item,
  .hero-slider img{
    height:430px;
  }

  .hero-slider .carousel-caption{
    bottom:45px;
    left:4%;
    right:4%;
    padding:15px 13px;
    border-radius:12px;
    background:rgba(0,0,0,.36);
  }

  .carousel-caption h1{
    font-size:23px;
  }

  .carousel-caption p{
    font-size:14px;
  }

  .carousel-control-prev,
  .carousel-control-next{
    width:9%;
  }

  .btn-radha,
  .btn-outline-radha{
    width:100%;
    margin-right:0!important;
    margin-left:0!important;
    margin-top:8px;
  }

  .section-pad{
    padding-top:42px;
    padding-bottom:42px;
  }

  .section-title{
    font-size:24px;
  }

  .section-subtitle{
    font-size:14.5px;
  }

  .radha-card{
    border-radius:14px;
    padding:22px 16px;
  }

  .radha-card h3{
    font-size:20px;
  }

  .consultancy-section .btn-radha{
    white-space:normal;
  }

  .quotation-pop-card{
    right:12px;
    bottom:12px;
    width:auto;
    max-width:calc(100% - 24px);
    border-radius:16px;
  }

  .quotation-pop-header{
    padding:13px 15px;
  }

  .quotation-pop-header h4{
    font-size:17px;
  }

  .quotation-pop-body{
    padding:15px;
  }

  .quotation-pop-actions{
    flex-direction:column;
  }

  .quotation-pop-actions a{
    width:100%;
    min-width:100%;
  }
}

/* ================= EXTRA SMALL MOBILE ================= */

@media(max-width:390px){
  .carousel-caption h1{
    font-size:21px;
  }

  .carousel-caption p{
    font-size:13.5px;
  }

  .hero-badge{
    font-size:12px;
  }

  .section-title{
    font-size:22px;
  }

  .radha-card p{
    font-size:14px;
  }
}