/* ============================================================
   Dasault International School — stylesheet
   ============================================================ */

:root{
  --navy:#0d1b3e;
  --navy-2:#132257;
  --navy-soft:#1b2a5c;
  --gold:#c8a24d;
  --gold-light:#e8d5a3;
  --cream:#faf7f1;
  --paper:#f4f0e6;
  --ink:#1a1a1a;
  --grey:#5c5c66;
  --line:#e6e0d2;
  --radius:6px;
  --maxw:1240px;
  --serif:'Playfair Display', 'Georgia', serif;
  --sans:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0;line-height:1.15;}
p{margin:0;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
section{position:relative;}
.overline{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.22em;
  font-size:12px;
  font-weight:600;
  color:var(--gold);
}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 32px;
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn-gold{background:var(--gold);color:var(--navy);}
.btn-gold:hover{background:var(--navy);color:var(--gold-light);}
.btn-outline{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline:hover{background:#fff;color:var(--navy);}
.btn-dark{background:var(--navy);color:#fff;}
.btn-dark:hover{background:var(--gold);color:var(--navy);}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}

/* ---------------- Topbar ---------------- */
.topbar{
  background:var(--navy);color:#cfd6ea;font-size:12.5px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar-links{display:flex;gap:22px;}
.topbar-links a{opacity:.85;}
.topbar-links a:hover{color:var(--gold-light);opacity:1;}
.topbar span.divider{opacity:.3;margin:0 2px;}

/* ---------------- Header / Nav ---------------- */
header.site-header{
  position:-webkit-sticky;position:sticky;top:0;z-index:200;
  background:rgba(13,27,62,.0);
  transition:background .4s var(--ease),box-shadow .4s var(--ease);
}
header.site-header.solid{
  background:var(--navy);
  box-shadow:0 6px 24px rgba(0,0,0,.18);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:88px;gap:12px;
}
.brand{display:flex;align-items:center;gap:16px;color:#fff;min-width:0;flex-shrink:1;}
.brand-mark{
  width:60px;height:60px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  filter:drop-shadow(0 2px 8px rgba(0,0,0,.35));
}
.brand-mark img{width:100%;height:100%;object-fit:contain;}
.brand-text{min-width:0;}
.brand-text .name{display:flex;flex-direction:column;align-items:center;text-align:center;}
.brand-text .name-main{
  font-family:var(--serif);font-size:32px;font-weight:900;letter-spacing:.015em;line-height:1;
  -webkit-text-stroke:.6px rgba(255,255,255,.6);
  background:linear-gradient(100deg,#fff 10%,var(--gold-light) 55%,var(--gold) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 2px 24px rgba(200,162,77,.45);
}
.brand-text .name-sub{
  font-family:var(--sans);font-size:10.5px;font-weight:700;letter-spacing:.36em;text-transform:uppercase;
  color:var(--gold-light);opacity:.95;margin-top:5px;white-space:nowrap;
}
.nav-cta{flex-shrink:0;}

nav.main-nav{display:flex;align-items:center;gap:38px;}
nav.main-nav a{
  color:#e9ecf6;font-size:13px;letter-spacing:.06em;text-transform:uppercase;font-weight:500;
  position:relative;padding:6px 0;
}
nav.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--gold);
  transition:width .35s var(--ease);
}
nav.main-nav a:hover::after{width:100%;}
.nav-cta{display:flex;align-items:center;gap:18px;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;}
.hamburger span{width:24px;height:2px;background:#fff;display:block;}

/* ---------------- Hero ---------------- */
.hero{
  position:relative;height:100vh;min-height:640px;
  display:flex;align-items:center;
  overflow:hidden;color:#fff;
  margin-top:-88px;
}
.hero video, .hero .hero-fallback{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(9,16,38,.75) 0%,rgba(9,16,38,.42) 40%,rgba(9,16,38,.82) 100%);
  z-index:1;
}
.hero-content{position:relative;z-index:2;max-width:760px;padding-top:88px;padding-bottom:90px;}
.hero-content .overline{color:var(--gold-light);}
.hero-content h1{
  font-size:clamp(38px,6vw,72px);color:#fff;margin:20px 0 22px;
  letter-spacing:.005em;
}
.hero-content h1 em{color:var(--gold-light);font-style:italic;}
.hero-content p{font-size:17px;color:#dfe3ee;max-width:560px;margin-bottom:38px;}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;}
.scroll-cue{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:#e8ecf7;font-size:10.5px;
  letter-spacing:.2em;text-transform:uppercase;opacity:.85;
}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(#fff,transparent);animation:scrollDown 2s infinite;}
@keyframes scrollDown{0%{opacity:0;transform:scaleY(0);transform-origin:top;}40%{opacity:1;transform:scaleY(1);transform-origin:top;}100%{opacity:0;transform:scaleY(1);transform-origin:bottom;}}

/* stat strip on hero bottom */
.hero-stats{
  position:relative;z-index:3;background:var(--gold);
}
.hero-stats .container{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-stats .stat{
  padding:26px 20px;text-align:center;border-left:1px solid rgba(13,27,62,.18);
}
.hero-stats .stat:first-child{border-left:0;}
.hero-stats .stat .num{font-family:var(--serif);font-size:30px;color:var(--navy);font-weight:700;}
.hero-stats .stat .lbl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--navy);opacity:.75;margin-top:4px;}

/* ---------------- Section headings ---------------- */
.section-head{max-width:640px;margin-bottom:56px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(28px,3.6vw,44px);margin-top:16px;color:var(--navy);}
.section-head p{margin-top:18px;color:var(--grey);font-size:15.5px;}
.pad{padding:110px 0;}
.pad-sm{padding:80px 0;}

/* ---------------- Welcome / About ---------------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.about-media{position:relative;}
.about-media img{border-radius:var(--radius);}
.about-media .frame{
  position:absolute;top:26px;left:26px;right:-26px;bottom:-26px;
  border:2px solid var(--gold);border-radius:var(--radius);z-index:-1;
}
.about-media-wrap{position:relative;padding-right:26px;padding-bottom:26px;}
.about-copy p{color:var(--grey);margin-top:20px;font-size:15.5px;}
.about-copy .signature{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.about-copy .signature .who{font-family:var(--serif);font-size:18px;color:var(--navy);}
.about-copy .signature .role{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-top:4px;}

/* ---------------- Director's message ---------------- */
.director-avatar-wrap{display:flex;justify-content:center;}
.director-photo{
  width:320px;height:320px;border-radius:50%;object-fit:cover;
  border:6px solid var(--gold);
}

/* ---------------- Why us / features ---------------- */
.features{background:var(--navy);color:#fff;}
.features .section-head h2{color:#fff;}
.features .section-head p{color:#b7bfd9;}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);}
.feat-card{background:var(--navy-2);padding:44px 38px;transition:background .4s var(--ease);}
.feat-card:hover{background:var(--navy-soft);}
.feat-card .icon{
  width:46px;height:46px;border:1px solid var(--gold);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--gold);margin-bottom:24px;
}
.feat-card h3{color:#fff;font-size:19px;margin-bottom:12px;}
.feat-card p{color:#b7bfd9;font-size:14.5px;}

/* ---------------- Academics ---------------- */
.academics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.stage-card{background:#fff;border:1px solid var(--line);}
.stage-card .stage-media{height:230px;overflow:hidden;}
.stage-card .stage-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.stage-card:hover .stage-media img{transform:scale(1.07);}
.stage-body{padding:30px 28px 34px;}
.stage-body .stage-no{font-family:var(--serif);font-size:13px;color:var(--gold);letter-spacing:.15em;}
.stage-body h3{margin-top:10px;font-size:21px;color:var(--navy);}
.stage-body p{margin-top:12px;color:var(--grey);font-size:14.5px;}
.stage-body .age{margin-top:16px;display:inline-block;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--navy);border-bottom:1px solid var(--gold);padding-bottom:3px;}

/* ---------------- Gallery / School life ---------------- */
.life{background:var(--paper);}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:190px;
  gap:14px;
}
.gallery-grid figure{
  margin:0;position:relative;overflow:hidden;border-radius:4px;cursor:pointer;background:#000;
}
.gallery-grid figure img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease),opacity .4s;}
.gallery-grid figure:hover img{transform:scale(1.08);opacity:.85;}
.gallery-grid figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px;
  background:linear-gradient(0deg,rgba(0,0,0,.75),transparent);
  color:#fff;font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;
  opacity:0;transform:translateY(8px);transition:all .35s var(--ease);
}
.gallery-grid figure:hover figcaption{opacity:1;transform:translateY(0);}
.gallery-grid figure.tall{grid-row:span 2;}
.gallery-grid figure.wide{grid-column:span 2;}

/* lightbox */
.lightbox{
  position:fixed;inset:0;background:rgba(9,12,26,.94);z-index:999;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .35s var(--ease);
  padding:40px;
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox img{max-width:88vw;max-height:82vh;object-fit:contain;border:2px solid rgba(255,255,255,.15);}
.lightbox .lb-close{
  position:absolute;top:28px;right:36px;color:#fff;font-size:16px;letter-spacing:.15em;
  text-transform:uppercase;cursor:pointer;border:1px solid rgba(255,255,255,.4);padding:9px 18px;
}
.lightbox .lb-close:hover{background:#fff;color:var(--navy);}

/* ---------------- Video showcase ---------------- */
.video-section{position:relative;color:#fff;}
.video-section .vwrap{position:relative;overflow:hidden;}
.video-section video{width:100%;display:block;max-height:640px;object-fit:cover;}
.video-caption{
  position:absolute;left:0;bottom:0;right:0;padding:50px;
  background:linear-gradient(0deg,rgba(9,16,38,.85),transparent);
}
.video-caption .overline{color:var(--gold-light);}
.video-caption h3{color:#fff;font-size:clamp(22px,3vw,34px);margin-top:10px;max-width:620px;}

/* ---------------- Events ---------------- */
.events-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.event-card{position:relative;overflow:hidden;border-radius:4px;height:380px;}
.event-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.event-card:hover img{transform:scale(1.08);}
.event-overlay{
  position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(9,16,38,.88) 10%,rgba(9,16,38,.05) 55%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:28px;color:#fff;
}
.event-overlay .date{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--gold-light);}
.event-overlay h4{font-size:20px;margin-top:8px;}

/* ---------------- Testimonials ---------------- */
.testimonials{background:var(--navy);color:#fff;}
.testimonials .section-head h2{color:#fff;}
.testimonials .section-head p{color:#b7bfd9;}
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;}
.t-card{background:var(--navy-2);padding:36px 32px;border-top:2px solid var(--gold);}
.t-card .quote{font-family:var(--serif);font-size:38px;color:var(--gold);line-height:1;}
.t-card p.msg{color:#dfe3ee;font-size:14.5px;margin-top:10px;min-height:110px;}
.t-card .who{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);}
.t-card .who .name{font-family:var(--serif);color:#fff;font-size:16px;}
.t-card .who .rel{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-light);margin-top:3px;}

/* ---------------- Admissions CTA ---------------- */
.admissions{
  position:relative;color:#fff;
  background:linear-gradient(rgba(9,16,38,.86),rgba(9,16,38,.9));
  background-size:cover;background-position:center;
}
.admissions-inner{
  display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;padding:100px 0;
}
.admissions h2{color:#fff;font-size:clamp(28px,4vw,42px);margin-top:16px;}
.admissions p{color:#c7cde3;margin-top:18px;font-size:15.5px;max-width:520px;}
.steps{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.steps li{display:flex;gap:14px;align-items:flex-start;color:#dfe3ee;font-size:14.5px;}
.steps .n{
  flex-shrink:0;width:26px;height:26px;border:1px solid var(--gold);border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--gold);
}
.enquiry-card{background:#fff;color:var(--ink);padding:42px 36px;border-radius:4px;}
.enquiry-card h3{color:var(--navy);font-size:22px;}
.enquiry-card .sub{color:var(--grey);font-size:13.5px;margin-top:8px;}
.enquiry-card form{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.enquiry-card input,.enquiry-card select,.enquiry-card textarea{
  width:100%;border:1px solid var(--line);background:var(--cream);padding:13px 14px;
  font-family:var(--sans);font-size:14px;border-radius:2px;color:var(--ink);
}
.enquiry-card input:focus,.enquiry-card select:focus,.enquiry-card textarea:focus{outline:1px solid var(--gold);}
.enquiry-card .btn{width:100%;justify-content:center;margin-top:6px;}

/* ---------------- Footer ---------------- */
footer{background:#0a1330;color:#aab1cc;}
.footer-top{padding:80px 0 50px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:50px;}
.footer-brand .brand{color:#fff;margin-bottom:18px;}
.footer-brand p{font-size:13.5px;color:#8b92ad;max-width:280px;}
.footer-social{display:flex;gap:12px;margin-top:22px;}
.footer-social a{
  width:36px;height:36px;border:1px solid rgba(255,255,255,.18);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#cfd4e8;
}
.footer-social a:hover{background:var(--gold);border-color:var(--gold);color:var(--navy);}
footer h5{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:22px;font-family:var(--sans);font-weight:600;}
footer .flinks li{margin-bottom:12px;font-size:14px;}
footer .flinks a:hover{color:var(--gold-light);}
.footer-contact li{display:flex;gap:12px;margin-bottom:16px;font-size:13.5px;color:#c1c6dc;}
.footer-contact li svg{flex-shrink:0;margin-top:2px;color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;}
.footer-bottom .container{display:flex;justify-content:center;align-items:center;font-size:12.5px;color:#7c839f;flex-wrap:wrap;gap:6px 24px;text-align:center;}
.footer-bottom a{color:var(--gold-light);font-weight:600;}
.footer-bottom a:hover{color:var(--gold);}

/* back to top */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:150;
  width:46px;height:46px;border-radius:50%;background:var(--navy);color:var(--gold);
  display:flex;align-items:center;justify-content:center;border:1px solid var(--gold);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all .35s var(--ease);cursor:pointer;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.to-top:hover{background:var(--gold);color:var(--navy);}

/* WhatsApp floating button */
.whatsapp-float{
  position:fixed;right:26px;bottom:96px;z-index:150;
  width:58px;height:58px;border-radius:50%;background:#25D366;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(0,0,0,.28);
  animation:wa-pulse 2.4s infinite;
}
.whatsapp-float:hover{background:#1ebe5b;}
.whatsapp-float svg{width:30px;height:30px;}
@keyframes wa-pulse{
  0%{box-shadow:0 8px 22px rgba(0,0,0,.28),0 0 0 0 rgba(37,211,102,.55);}
  70%{box-shadow:0 8px 22px rgba(0,0,0,.28),0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 8px 22px rgba(0,0,0,.28),0 0 0 0 rgba(37,211,102,0);}
}
@media (max-width:640px){
  .whatsapp-float{right:18px;bottom:86px;width:52px;height:52px;}
  .to-top{right:18px;bottom:18px;}
}

/* ---------------- Responsive ---------------- */
@media (max-width:1080px){
  .about-grid,.admissions-inner{grid-template-columns:1fr;}
  .feat-grid,.academics-grid,.events-grid,.t-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .gallery-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:860px){
  nav.main-nav,.nav-cta .btn-outline-desktop{display:none;}
  .hamburger{display:flex;}
  .topbar{display:none;}
  header.site-header{background:var(--navy);box-shadow:0 6px 20px rgba(0,0,0,.18);}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);}
  .hero-stats .stat:nth-child(3){border-left:0;}
  .admissions-inner{padding:70px 0;}
  .enquiry-card{padding:32px 26px;}
  .nav-cta > a.btn{display:none;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .pad{padding:70px 0;}
  .pad-sm{padding:56px 0;}
  .feat-grid,.academics-grid,.events-grid,.t-grid,.footer-top{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .gallery-grid figure.wide{grid-column:span 1;}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);}
  .about-media-wrap{padding-right:14px;padding-bottom:14px;}
  .about-media .frame{top:14px;left:14px;}
  .hero-content{padding-bottom:60px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .nav-cta{gap:10px;}
  .nav-cta .btn{padding:12px 16px;font-size:11px;}
  .brand-mark{width:40px;height:40px;font-size:16px;}
  .brand{gap:10px;}
  .brand-text .name-main{font-size:18px;}
  .brand-text .name-sub{font-size:8px;letter-spacing:.22em;}
  .director-photo{width:220px;height:220px;}
  .event-card{height:280px;}
  .video-section video{max-height:320px;}
  .stage-card .stage-media{height:190px;}
}
@media (max-width:380px){
  .nav-cta .btn{padding:9px 12px;font-size:10px;}
  .brand-text .name-main{font-size:16px;}
  .brand-text .name-sub{font-size:7.5px;letter-spacing:.16em;}
  .brand-mark{width:36px;height:36px;font-size:14px;}
}

/* mobile nav drawer */
.mobile-nav{
  position:fixed;inset:0;background:var(--navy);z-index:300;
  display:flex;flex-direction:column;padding:100px 40px 40px;
  transform:translateX(100%);transition:transform .45s var(--ease);
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav a{color:#fff;font-family:var(--serif);font-size:26px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.mobile-nav .mnav-close{position:absolute;top:30px;right:30px;color:#fff;font-size:14px;letter-spacing:.15em;cursor:pointer;}
.mobile-nav .mnav-enquire{
  margin-top:20px;border-bottom:0;text-align:center;
  background:var(--gold);color:var(--navy);font-family:var(--sans);
  font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;
  padding:16px;border-radius:2px;
}