/* ===================== TSS Landing Page Styles ===================== */
:root{
  --navy:#0B3D91;
  --navy-dark:#082B69;
  --orange:#FF9D23;
  --orange-dark:#E67E00;
  --yellow:#FFC93C;
  --green:#2FAE60;
  --bg-light:#F7FAFD;
  --text-dark:#12203A;
  --text-muted:#5B6B84;
  --white:#FFFFFF;
  --card-bg:#FFFFFF;
  --section-alt-bg:#FFFFFF;
  --navbar-bg:rgba(255,255,255,0.85);
  --border-light:#dde5f0;
  --accent-strong:var(--navy);
  --radius:16px;
  --shadow-soft:0 10px 30px rgba(11,61,145,0.10);
  --shadow-strong:0 20px 45px rgba(11,61,145,0.18);
  --font-head:'Poppins', sans-serif;
  --font-body:'Inter', sans-serif;
}

[data-theme="dark"]{
  --bg-light:#0A1420;
  --text-dark:#EAF1FB;
  --text-muted:#93A5C4;
  --card-bg:#101B2C;
  --section-alt-bg:#0D1826;
  --navbar-bg:rgba(8,16,28,0.85);
  --border-light:#233150;
  --accent-strong:#8FB4FF;
  --shadow-soft:0 10px 30px rgba(0,0,0,0.45);
  --shadow-strong:0 20px 45px rgba(0,0,0,0.55);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-dark);
  background:var(--bg-light);
  overflow-x:hidden;
  transition:background-color .4s ease, color .4s ease;
}
img{ max-width:100%; display:block; }
a{ text-decoration:none; color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-head); margin:0 0 .5em; line-height:1.2; }
p{ margin:0 0 1em; color:var(--text-muted); line-height:1.7; }
.container{ width:100%; max-width:1180px; margin:0 auto; padding:0 20px; }

/* ---------- Preloader ---------- */
#preloader{
  position:fixed; inset:0; background:var(--navy);
  display:flex; align-items:center; justify-content:center;
  z-index:9999; transition:opacity .5s ease, visibility .5s ease;
}
#preloader.hide{ opacity:0; visibility:hidden; }
.sun-loader{
  width:60px; height:60px; border-radius:50%;
  background:conic-gradient(var(--yellow), var(--orange), var(--yellow));
  animation:spin 1s linear infinite;
  position:relative;
}
.sun-loader::after{
  content:''; position:absolute; inset:8px; border-radius:50%; background:var(--navy);
}
@keyframes spin{ to{ transform:rotate(360deg); } }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:14px 30px; border-radius:50px; font-weight:600; font-size:0.98rem;
  border:none; cursor:pointer; transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary{ background:linear-gradient(135deg, var(--orange), var(--orange-dark)); color:#fff; box-shadow:0 10px 25px rgba(255,157,35,.35); }
.btn-primary:hover{ transform:translateY(-3px); box-shadow:0 16px 30px rgba(255,157,35,.45); }
.btn-ghost{ background:rgba(255,255,255,.12); color:#fff; border:1.5px solid rgba(255,255,255,.6); backdrop-filter:blur(4px); }
.btn-ghost:hover{ background:rgba(255,255,255,.25); transform:translateY(-3px); }
.btn-block{ width:100%; }
.btn-whatsapp{ background:#25D366; color:#fff; padding:12px 22px; border-radius:50px; font-weight:600; }
.btn-call{ background:var(--navy); color:#fff; padding:12px 22px; border-radius:50px; font-weight:600; }

/* ---------- Reveal animation ---------- */
[data-reveal]{ opacity:0; transform:translateY(30px); transition:opacity .8s ease, transform .8s ease; }
[data-reveal].in-view{ opacity:1; transform:translateY(0); }

/* ---------- Floating animations ---------- */
@keyframes floatSlow{ 0%,100%{ transform:translateY(0) rotate(0deg);} 50%{ transform:translateY(-14px) rotate(1deg);} }
@keyframes floatMed{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-20px);} }
@keyframes floatFast{ 0%,100%{ transform:translateY(0) rotate(0deg);} 50%{ transform:translateY(-10px) rotate(-3deg);} }
.float-slow{ animation:floatSlow 6s ease-in-out infinite; }
.float-med{ animation:floatMed 5s ease-in-out infinite; }
.float-fast{ animation:floatFast 4s ease-in-out infinite; }

/* ---------- Navbar ---------- */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  background:var(--navbar-bg); backdrop-filter:blur(10px);
  box-shadow:0 2px 20px rgba(11,61,145,0.06);
  transition:padding .3s ease, box-shadow .3s ease, background-color .4s ease;
}
.navbar.scrolled{ box-shadow:0 6px 24px rgba(11,61,145,.12); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; padding:12px 20px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-logo{ width:44px; height:44px; }
.brand-text{ font-family:var(--font-head); font-weight:700; color:var(--accent-strong); font-size:1.02rem; line-height:1.1; }
.brand-text small{ font-weight:500; color:var(--orange-dark); font-size:.7rem; letter-spacing:1px; }

.nav-links{ display:flex; align-items:center; gap:26px; }
.nav-link{ font-weight:500; color:var(--text-dark); position:relative; padding:6px 0; font-size:.95rem; }
.nav-link::after{ content:''; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--orange); transition:width .3s ease; }
.nav-link:hover::after, .nav-link.active::after{ width:100%; }
.nav-cta{ background:var(--navy); color:#fff !important; padding:10px 20px; border-radius:50px; font-weight:600; font-size:.9rem; transition:background .3s ease, transform .3s ease; }
.nav-cta:hover{ background:var(--orange-dark); transform:translateY(-2px); }

.nav-actions{ display:flex; align-items:center; gap:10px; }
.theme-toggle{
  display:flex; align-items:center; justify-content:center; width:40px; height:40px;
  border-radius:50%; border:1.5px solid var(--border-light); background:var(--card-bg);
  color:var(--accent-strong); cursor:pointer; transition:transform .3s ease, background-color .4s ease, border-color .4s ease;
}
.theme-toggle:hover{ transform:rotate(20deg) scale(1.08); }
.theme-toggle .icon-sun{ display:none; }
[data-theme="dark"] .theme-toggle .icon-moon{ display:none; }
[data-theme="dark"] .theme-toggle .icon-sun{ display:block; }

.hamburger{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; z-index:1100; }
.hamburger span{ width:26px; height:3px; background:var(--accent-strong); border-radius:2px; transition:all .3s ease; }
.hamburger.open span:nth-child(1){ transform:translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity:0; }
.hamburger.open span:nth-child(3){ transform:translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero{
  position:relative; padding:150px 0 90px;
  background:linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 55%, #061c47 100%);
  overflow:hidden;
}
.hero-bg-glow{
  position:absolute; top:-150px; right:-150px; width:500px; height:500px;
  background:radial-gradient(circle, rgba(255,201,60,.35), transparent 70%);
  filter:blur(10px); pointer-events:none;
}
.hero-inner{ display:grid; grid-template-columns:1.1fr 1fr; align-items:center; gap:40px; position:relative; z-index:2; }
.badge-pill{
  display:inline-block; background:rgba(255,201,60,.15); color:var(--yellow);
  padding:8px 18px; border-radius:50px; font-size:.85rem; font-weight:600; margin-bottom:18px;
  border:1px solid rgba(255,201,60,.4);
}
.hero h1{ color:#fff; font-size:2.6rem; font-weight:800; margin-bottom:20px; }
.text-accent{ color:var(--yellow); }
.hero-sub{ color:rgba(255,255,255,.82); font-size:1.05rem; max-width:520px; }
.hero-cta-row{ display:flex; gap:16px; flex-wrap:wrap; margin:26px 0; }
.city-chip-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:10px; }
.city-chip{
  background:rgba(255,255,255,.08); color:#fff; padding:7px 14px; border-radius:50px;
  font-size:.8rem; font-weight:500; border:1px solid rgba(255,255,255,.18);
}
.city-chip-main{ background:rgba(255,201,60,.2); border-color:rgba(255,201,60,.5); color:var(--yellow); font-weight:700; }

.hero-visual{ position:relative; display:flex; align-items:center; justify-content:center; min-height:380px; }
.hero-img{ width:100%; max-width:480px; border-radius:20px; box-shadow:var(--shadow-strong); }
.hero-float{ position:absolute; border-radius:14px; box-shadow:0 15px 35px rgba(0,0,0,.35); border:3px solid rgba(255,255,255,.15); }
.hero-float-1{ width:150px; bottom:-10px; left:-30px; }
.hero-float-2{ width:130px; top:-20px; right:-10px; }

.scroll-cue{ position:absolute; bottom:18px; left:50%; transform:translateX(-50%); z-index:2; }
.scroll-cue span{ display:block; width:26px; height:42px; border:2px solid rgba(255,255,255,.5); border-radius:20px; position:relative; }
.scroll-cue span::before{
  content:''; position:absolute; top:6px; left:50%; transform:translateX(-50%);
  width:5px; height:5px; background:var(--yellow); border-radius:50%;
  animation:scrollDot 1.6s ease infinite;
}
@keyframes scrollDot{ 0%{ top:6px; opacity:1;} 80%{ top:24px; opacity:0;} 100%{ top:6px; opacity:0;} }

/* ---------- Section shared ---------- */
section{ padding:90px 0; }
.eyebrow{ color:var(--orange-dark); font-weight:700; letter-spacing:1.5px; text-transform:uppercase; font-size:.82rem; margin-bottom:10px; }
.eyebrow-light{ color:var(--yellow); }
h2{ font-size:2.1rem; font-weight:800; color:var(--text-dark); }
.section-sub{ max-width:640px; font-size:1.02rem; }
.section-sub-light{ color:rgba(255,255,255,.82); max-width:520px; font-size:1.02rem; }

/* ---------- Gallery / slideshow ---------- */
.gallery-section .container{ text-align:center; margin-bottom:40px; }
.gallery-section .section-sub{ margin:0 auto; }
.slideshow{ position:relative; max-width:900px; margin:0 auto; padding:0 20px; }
.slides-track{ position:relative; height:380px; overflow:hidden; border-radius:var(--radius); box-shadow:var(--shadow-soft); background:var(--card-bg); }
.slide{
  position:absolute; inset:0; opacity:0; visibility:hidden; z-index:1;
  transition:opacity .6s ease; background:var(--card-bg);
}
.slide.active{ opacity:1; visibility:visible; z-index:2; }
.slide img{ width:100%; height:380px; object-fit:cover; background:#eef4fb; display:block; }
.slide-caption{
  position:absolute; left:0; right:0; bottom:0; padding:24px;
  background:linear-gradient(0deg, rgba(11,32,84,.88), transparent);
  color:#fff;
}
.slide-caption h3{ color:#fff; margin-bottom:4px; font-size:1.2rem; }
.slide-caption p{ color:rgba(255,255,255,.85); margin:0; font-size:.9rem; }
.slide-arrow{
  position:absolute; top:50%; transform:translateY(-50%); z-index:5;
  background:var(--card-bg); border:none; width:44px; height:44px; border-radius:50%;
  box-shadow:var(--shadow-soft); cursor:pointer; font-size:1rem; color:var(--accent-strong);
  transition:background .3s ease, transform .3s ease;
}
.slide-arrow:hover{ background:var(--orange); color:#fff; }
.slide-prev{ left:-6px; }
.slide-next{ right:-6px; }
.slide-dots{ display:flex; justify-content:center; gap:9px; margin-top:22px; }
.slide-dots span{ width:9px; height:9px; border-radius:50%; background:var(--border-light); cursor:pointer; transition:background .3s ease, transform .3s ease; }
.slide-dots span.active{ background:var(--orange); transform:scale(1.3); }

/* ---------- PM Surya Ghar ---------- */
.suryaghar-section{
  background:linear-gradient(135deg, var(--navy-dark), var(--navy));
  position:relative; overflow:hidden;
}
.suryaghar-inner{ display:grid; grid-template-columns:1fr 1.1fr; gap:50px; align-items:center; }
.suryaghar-visual img{ border-radius:20px; box-shadow:var(--shadow-strong); }
.suryaghar-copy h2{ color:#fff; }
.scheme-points{ margin:22px 0; display:flex; flex-direction:column; gap:14px; }
.scheme-points li{ color:rgba(255,255,255,.88); padding-left:28px; position:relative; font-size:.98rem; line-height:1.6; }
.scheme-points li::before{ content:'⚡'; position:absolute; left:0; top:0; }
.scheme-points strong{ color:var(--yellow); }
.scheme-disclaimer{ font-size:.78rem; color:rgba(255,255,255,.5); margin-top:16px; max-width:520px; }

/* ---------- About / stats / CEO ---------- */
.about-section .container > p, .about-section .container > h2, .about-section .container > .eyebrow{ max-width:640px; }

.about-grid{ display:grid; grid-template-columns:290px 1fr; gap:26px; align-items:stretch; margin:50px 0; }

.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; max-width:100% !important; }
.about-grid .stats-grid{ grid-template-columns:1fr; gap:16px; }
.stat-card{
  background:var(--card-bg); border-radius:var(--radius); padding:28px 14px; text-align:center;
  box-shadow:var(--shadow-soft); transition:transform .3s ease, box-shadow .3s ease, background-color .4s ease;
}
.about-grid .stat-card{ display:flex; flex-direction:row; align-items:center; justify-content:space-between; text-align:left; padding:18px 22px; }
.stat-card:hover{ transform:translateY(-8px); box-shadow:var(--shadow-strong); }
.stat-num{ display:block; font-family:var(--font-head); font-size:2.1rem; font-weight:800; color:var(--accent-strong); }
.about-grid .stat-num{ font-size:1.7rem; }
.stat-label{ display:block; margin-top:6px; color:var(--text-muted); font-size:.88rem; font-weight:500; }
.about-grid .stat-label{ margin-top:0; text-align:right; }

.ceo-card{
  display:flex; gap:30px; align-items:center; background:var(--card-bg); border-radius:var(--radius);
  padding:36px; box-shadow:var(--shadow-soft); max-width:100% !important; flex-wrap:wrap;
  transition:background-color .4s ease;
}
.about-grid .ceo-card{ height:100%; align-content:center; }
.ceo-photo-wrap{ flex-shrink:0; }
.ceo-photo{
  width:150px; height:150px; border-radius:50%; object-fit:cover;
  border:3px solid var(--orange); box-shadow:var(--shadow-soft);
}
.ceo-photo-placeholder{
  width:150px; height:150px; border-radius:50%; background:linear-gradient(160deg,#eef4fb,#dde9f7);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:8px;
  border:3px dashed #b9cbe6; text-align:center;
}
.ceo-photo-placeholder span{ font-size:.62rem; color:#7d8ba3; font-weight:600; padding:0 10px; }
.ceo-info h3{ color:var(--orange-dark); font-size:.95rem; text-transform:uppercase; letter-spacing:1px; margin-bottom:4px; }
.ceo-name{ font-family:var(--font-head); font-size:1.5rem; font-weight:800; color:var(--accent-strong); margin-bottom:10px; }
.ceo-info p:last-child{ margin-bottom:0; }

[data-theme="dark"] .ceo-photo-placeholder{ background:linear-gradient(160deg,#1b2740,#141d30); border-color:#33445f; }
[data-theme="dark"] .ceo-photo-placeholder span{ color:#9fb1cf; }

/* ---------- Enquiry form ---------- */
.enquiry-section{ background:var(--section-alt-bg); transition:background-color .4s ease; }
.enquiry-inner{ display:grid; grid-template-columns:1fr 1.1fr; gap:50px; align-items:flex-start; }
.enquiry-copy .section-sub{ margin-bottom:24px; }
.quick-contact{ display:flex; flex-direction:column; gap:12px; }
.quick-contact-item{ font-weight:600; color:var(--accent-strong); font-size:1rem; }
.enquiry-form{ background:var(--card-bg); border-radius:var(--radius); padding:34px; box-shadow:var(--shadow-soft); display:flex; flex-direction:column; gap:16px; transition:background-color .4s ease; }
.form-row{ display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-weight:600; font-size:.85rem; color:var(--text-dark); }
.form-row input, .form-row select, .form-row textarea{
  padding:12px 14px; border-radius:10px; border:1.5px solid var(--border-light); font-family:var(--font-body);
  font-size:.95rem; background:var(--bg-light); color:var(--text-dark); transition:border-color .3s ease, box-shadow .3s ease, background-color .4s ease;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:none; border-color:var(--orange); box-shadow:0 0 0 3px rgba(255,157,35,.15);
}
.form-status{
  font-size:.85rem; font-weight:600; color:var(--green); text-align:center;
  margin:2px 0 0; min-height:1.2em; opacity:0; transition:opacity .3s ease;
}
.form-status.show{ opacity:1; }

/* ---------- Footer ---------- */
.footer{ background:#081c40; color:#cfdaee; padding:70px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer-logo{ width:56px; height:56px; margin-bottom:14px; }
.footer-brand h3{ color:#fff; margin-bottom:6px; }
.footer-brand p{ color:#9fb1cf; font-size:.88rem; }
.footer-social{ display:flex; gap:12px; margin-top:16px; }
.footer-social a{ width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; transition:background .3s ease, transform .3s ease; }
.footer-social a:hover{ background:var(--orange); transform:translateY(-3px); }
.footer h4{ color:#fff; font-size:1rem; margin-bottom:18px; }
.address-list{ display:flex; flex-direction:column; gap:16px; }
.address-list li{ font-size:.88rem; color:#9fb1cf; line-height:1.6; }
.address-list strong{ color:#fff; }
.hq-card{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,201,60,.35); border-radius:12px;
  padding:18px; display:flex; flex-direction:column; gap:6px; margin-bottom:18px;
}
.hq-card strong{ color:var(--yellow); font-size:1.05rem; }
.hq-card p{ color:#cfdaee; font-size:.88rem; margin:0 0 6px; }
.hq-card a{ font-size:.88rem; color:#fff; font-weight:600; }
.footer-btn-row{ display:flex; gap:10px; flex-wrap:wrap; }
.footer-bottom{ text-align:center; padding:22px 0; }
.footer-bottom p{ color:#7f92b3; font-size:.82rem; margin:0; }

/* ---------- Floating action buttons (whatsapp/call) ---------- */
.fab-stack{ position:fixed; bottom:24px; right:20px; z-index:900; display:flex; flex-direction:column; gap:14px; }
.fab{
  width:56px; height:56px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 25px rgba(0,0,0,.25); transition:transform .3s ease;
}
.fab-whatsapp{ background:#25D366; }
.fab-call{ background:var(--navy); }
.fab:hover{ transform:scale(1.1); }

/* ====================== RESPONSIVE ====================== */
@media (max-width:1024px){
  .hero h1{ font-size:2.2rem; }
  .suryaghar-inner, .enquiry-inner{ grid-template-columns:1fr; }
  .suryaghar-visual{ order:2; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .footer-hq{ grid-column:span 2; }
}

@media (max-width:860px){
  .nav-links{
    position:fixed; top:0; right:-100%; height:100vh; width:78%; max-width:340px;
    background:var(--card-bg); flex-direction:column; align-items:flex-start; justify-content:flex-start;
    padding:100px 30px 30px; gap:22px; box-shadow:-10px 0 40px rgba(0,0,0,.15);
    transition:right .4s ease, background-color .4s ease; z-index:1050;
  }
  .nav-links.open{ right:0; }
  .nav-cta{ margin-top:10px; }
  .hamburger{ display:flex; }
  .hero-inner{ grid-template-columns:1fr; text-align:center; }
  .hero-sub{ margin:0 auto; }
  .hero-cta-row, .city-chip-row{ justify-content:center; }
  .hero-visual{ margin-top:40px; min-height:320px; }
  .about-grid{ grid-template-columns:1fr; gap:24px; }
  .about-grid .stats-grid{ grid-template-columns:repeat(2,1fr); gap:20px; }
  .about-grid .stat-card{ flex-direction:column; text-align:center; padding:28px 14px; }
  .about-grid .stat-num{ font-size:2.1rem; }
  .about-grid .stat-label{ text-align:center; margin-top:6px; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .ceo-card{ flex-direction:column; text-align:center; }
}

@media (max-width:600px){
  section{ padding:64px 0; }
  .hero{ padding:130px 0 70px; }
  .hero h1{ font-size:1.8rem; }
  h2{ font-size:1.6rem; }
  .slide img{ height:260px; }
  .slides-track{ height:260px; }
  .hero-float-1{ width:105px; }
  .hero-float-2{ width:95px; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-hq{ grid-column:span 1; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .stat-card{ padding:20px 10px; }
  .stat-num{ font-size:1.6rem; }
  .about-grid .stat-num{ font-size:1.6rem; }
  .about-grid .stat-card{ padding:20px 10px; }
  .enquiry-form{ padding:22px; }
  .fab{ width:50px; height:50px; }
  .brand-text{ font-size:.9rem; }
  .theme-toggle{ width:36px; height:36px; }
}