/* =========================================================
   NANDAN REGENCY — Design tokens
   Palette sampled directly from the Nandan Developers logo:
   deep navy + crimson-red gradient, ivory ground.
   Type: Fraunces (display) / Work Sans (body) / IBM Plex Mono (data)
   Signature motif: architectural "dimension line" dividers
   ========================================================= */

:root{
  --navy:        #182352;
  --navy-2:      #22306B;
  --navy-3:      #10193D;
  --crimson:     #9E1936;
  --crimson-2:   #C43B52;
  --ivory:       #F7F5F0;
  --ivory-2:     #EFEAE0;
  --charcoal:    #1B1B18;
  --slate:       #6B7189;
  --white:       #FFFFFF;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --container-w: 1180px;
  --radius: 2px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--ivory);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0 0 var(--space-2); font-weight: 600; color: var(--navy); letter-spacing: -0.01em; }
p{ margin: 0 0 var(--space-2); }
ul{ margin:0; padding:0; list-style:none; }

.container{ max-width: var(--container-w); margin: 0 auto; padding: 0 var(--space-3); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--crimson);
  margin-bottom: var(--space-2);
}
.eyebrow-light{ color: var(--crimson-2); }
.light-heading{ color: var(--ivory); }
.light-copy{ color: rgba(247,245,240,0.78); }

.body-copy{ max-width: 58ch; color: #3a3a35; }
.fine-print{ font-size: 12px; color: #8a8a80; margin-top: var(--space-2); }

.section{ padding: var(--space-6) 0; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--crimson);
  outline-offset: 3px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--crimson); color: var(--white); }
.btn-primary:hover{ background: var(--crimson-2); }
.btn-ghost{ background: rgba(247,245,240,0.08); color: var(--ivory); border-color: rgba(247,245,240,0.4); }
.btn-ghost:hover{ background: rgba(247,245,240,0.16); }
.btn-outline{ background: transparent; color: var(--ivory); border-color: rgba(247,245,240,0.5); }
.btn-outline:hover{ border-color: var(--ivory); }
.btn-outline.btn-light{ color: var(--navy); border-color: var(--navy); }
.btn-outline.btn-light:hover{ background: rgba(24,35,82,0.06); }
.btn-whatsapp{ background:#1f7a5c; color:#fff; }
.btn-whatsapp:hover{ background:#22936d; }
.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn-full{ width:100%; }
.btn-directions{ margin-top: var(--space-2); display:inline-flex; }

/* =========================================================
   Header / Nav — solid ivory bar for logo legibility
   ========================================================= */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  background: var(--ivory);
  box-shadow: 0 2px 0 rgba(24,35,82,0.06);
  transition: box-shadow .3s var(--ease);
}
.site-header.scrolled{
  box-shadow: 0 6px 24px rgba(24,35,82,0.12);
}
.header-inner{
  max-width: var(--container-w); margin:0 auto; padding: 12px var(--space-3);
  display:flex; align-items:center; justify-content:space-between;
}
.logo-img{ height: 44px; width:auto; }
.main-nav{ display:none; align-items:center; gap: var(--space-3); }
.main-nav a{ font-size: 13.5px; font-weight:500; color: var(--navy); letter-spacing:.02em; opacity:.85; }
.main-nav a:hover{ opacity:1; color: var(--crimson); }
.main-nav .nav-cta{
  background: var(--crimson); color: var(--white); padding: 9px 18px; border-radius: var(--radius); opacity:1; font-weight:600;
}
.main-nav .nav-cta:hover{ background: var(--crimson-2); color: var(--white); }

.nav-toggle{
  background:none; border:none; width:36px; height:30px; position:relative; padding:0;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background: var(--navy); transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span:nth-child(1){ top:4px; }
.nav-toggle span:nth-child(2){ top:14px; }
.nav-toggle span:nth-child(3){ top:24px; }
.nav-toggle.open span:nth-child(1){ transform: translateY(10px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-10px) rotate(-45deg); }

@media (min-width: 960px){
  .main-nav{ display:flex; }
  .nav-toggle{ display:none; }
}
@media (max-width: 959px){
  .main-nav{
    display:flex; flex-direction:column; align-items:flex-start; gap: 0;
    position:fixed; top:0; right:0; height:100vh; width: min(78vw, 320px);
    background: var(--ivory); padding: 90px var(--space-3) var(--space-3);
    transform: translateX(100%); transition: transform .35s var(--ease);
    box-shadow: -8px 0 24px rgba(24,35,82,0.1);
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ width:100%; padding: 14px 0; border-bottom: 1px solid rgba(24,35,82,0.08); }
  .main-nav .nav-cta{ margin-top: var(--space-2); text-align:center; }
}

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position: relative; min-height: 100svh; display:flex; align-items:flex-end;
  overflow:hidden; background: var(--navy-3);
}
.hero-slider{ position:absolute; inset:0; }
.hero-slide{
  position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:0; transition: opacity 1.4s var(--ease);
}
.hero-slide.active{ opacity:1; }
.hero-scrim{
  position:absolute; inset:0;
  background: linear-gradient(to top, rgba(16,25,61,0.96) 0%, rgba(16,25,61,0.55) 45%, rgba(16,25,61,0.35) 100%);
}
.hero-content{
  position:relative; z-index:2; width:100%; max-width: var(--container-w); margin:0 auto;
  padding: 140px var(--space-3) var(--space-5);
  color: var(--ivory);
}
.hero-content .eyebrow{ color: var(--crimson-2); }
.hero-headline{
  font-size: clamp(34px, 7vw, 66px);
  line-height: 1.05;
  color: var(--ivory);
  max-width: 14ch;
  margin-bottom: var(--space-2);
}
.hero-headline em{ font-style: italic; color: var(--crimson-2); }
.hero-tagline{ max-width: 48ch; font-size: 16px; color: rgba(247,245,240,0.85); margin-bottom: var(--space-3); }

.hero-highlights{
  display:flex; flex-wrap:wrap; gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(247,245,240,0.2);
}
.hero-highlights li{
  display:flex; flex-direction:column; font-size:12px; letter-spacing:.04em; text-transform:uppercase; color: rgba(247,245,240,0.65);
}
.hero-highlights li span{
  font-family: var(--font-mono); font-size: 24px; color: var(--ivory); letter-spacing:0; margin-bottom:2px;
}

.hero-ctas{ display:flex; flex-wrap:wrap; gap: 12px; }

.hero-dots{ position:absolute; z-index:2; right: var(--space-3); bottom: var(--space-3); display:flex; gap:8px; }
.hero-dots button{
  width:8px; height:8px; border-radius:50%; background: rgba(247,245,240,0.35); border:none; padding:0;
  transition: background .2s;
}
.hero-dots button.active{ background: var(--crimson-2); width:22px; border-radius:5px; }

.scroll-cue{
  position:absolute; z-index:2; left: var(--space-3); bottom: var(--space-3);
  width:26px; height:44px; border:1px solid rgba(247,245,240,0.5); border-radius:14px;
  display:none;
}
.scroll-cue span{
  position:absolute; top:8px; left:50%; width:4px; height:4px; background: var(--crimson-2); border-radius:50%;
  transform: translateX(-50%); animation: cueMove 1.8s infinite var(--ease);
}
@keyframes cueMove{ 0%{ top:8px; opacity:1;} 70%{ top:26px; opacity:0;} 100%{ top:26px; opacity:0;} }
@media (min-width:700px){ .scroll-cue{ display:block; } }

.reveal{ opacity:0; transform: translateY(16px); animation: revealUp .8s var(--ease) forwards; }
.hero-content .eyebrow.reveal{ animation-delay: .1s; }
.hero-headline.reveal{ animation-delay: .22s; }
.hero-tagline.reveal{ animation-delay: .34s; }
.hero-highlights.reveal{ animation-delay: .46s; }
.hero-ctas.reveal{ animation-delay: .58s; }
@keyframes revealUp{ to{ opacity:1; transform:none; } }

/* =========================================================
   Blueprint divider (signature motif)
   ========================================================= */
.blueprint-divider{
  background: var(--navy-3); position:relative; padding: 14px 0 22px;
  display:flex; flex-direction:column; align-items:center;
}
.blueprint-divider svg{ width: min(90%, 1100px); height:24px; stroke: rgba(196,59,82,0.55); stroke-width:1; }
.blueprint-label{
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; color: rgba(196,59,82,0.6); margin-top: 4px;
}

/* =========================================================
   Overview
   ========================================================= */
.overview-grid{ display:grid; gap: var(--space-4); }
.overview-media img{ border-radius: var(--radius); }
.overview-facts{
  display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-3);
  margin: var(--space-3) 0; padding-top: var(--space-3); border-top:1px solid rgba(24,35,82,0.15);
}
.overview-facts dt{ font-family: var(--font-mono); font-size:11px; letter-spacing:1.5px; text-transform:uppercase; color: var(--slate); margin-bottom:2px; }
.overview-facts dd{ margin:0; font-weight:600; color: var(--navy); }

@media (min-width: 880px){
  .overview-grid{ grid-template-columns: 1fr 1fr; align-items:center; }
}

/* =========================================================
   Highlights
   ========================================================= */
.highlights h2{ max-width: 22ch; }
.highlight-grid{ display:grid; gap: var(--space-3); margin-top: var(--space-4); }
.highlight-card{
  background: var(--white); border: 1px solid rgba(24,35,82,0.08); padding: var(--space-3);
  border-radius: var(--radius); position:relative;
}
.highlight-index{
  font-family: var(--font-mono); font-size: 12px; color: var(--crimson); letter-spacing:2px; display:block; margin-bottom: var(--space-2);
}
.highlight-card h3{ font-size: 20px; margin-bottom: 8px; }
.highlight-card p{ color:#4b4b45; font-size:14.5px; margin:0; }

@media (min-width: 780px){
  .highlight-grid{ grid-template-columns: repeat(3, 1fr); }
}

/* =========================================================
   Amenities
   ========================================================= */
.amenities{ background: var(--navy); }
.amenities h2{ max-width: 22ch; }
.amenity-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  margin-top: var(--space-4); background: rgba(247,245,240,0.1);
  border: 1px solid rgba(247,245,240,0.1);
}
.amenity-item{
  background: var(--navy); padding: var(--space-3) var(--space-2);
  display:flex; flex-direction:column; align-items:center; text-align:center; gap: var(--space-1);
  transition: background .2s;
}
.amenity-item:hover{ background: var(--navy-2); }
.amenity-item img{ width:40px; height:40px; }
.amenity-item span{ font-size: 13px; color: var(--ivory); letter-spacing:.01em; }

@media (min-width: 620px){ .amenity-grid{ grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px){ .amenity-grid{ grid-template-columns: repeat(4, 1fr); } }

/* =========================================================
   Floor plans
   ========================================================= */
.plans h2{ max-width: 22ch; }
.plan-tabs{ display:flex; flex-wrap:wrap; gap: 8px; margin: var(--space-3) 0; border-bottom: 1px solid rgba(24,35,82,0.15); }
.plan-tab{
  background:none; border:none; padding: 12px 4px; font-size: 14px; font-weight:600; color: var(--slate);
  border-bottom: 2px solid transparent; margin-right: var(--space-3);
}
.plan-tab.active{ color: var(--navy); border-color: var(--crimson); }

.plan-panel{ display:none; gap: var(--space-4); }
.plan-panel.active{ display:grid; }
.plan-media{ background: var(--ivory-2); border-radius: var(--radius); overflow:hidden; }
.plan-details ul{ margin: var(--space-2) 0 var(--space-3); }
.plan-details li{
  display:flex; justify-content:space-between; padding: 10px 0; border-bottom: 1px solid rgba(24,35,82,0.1); font-size: 14.5px;
}
.plan-details li span{ color: var(--slate); }
.plan-details li strong{ color: var(--navy); font-family: var(--font-mono); font-weight:500; }

@media (min-width: 780px){
  .plan-panel.active{ grid-template-columns: 1.3fr 1fr; align-items:center; }
}

/* =========================================================
   Gallery
   ========================================================= */
.gallery h2{ max-width: 20ch; }
.gallery-tabs{ display:flex; flex-wrap:wrap; gap: 8px; margin: var(--space-3) 0 var(--space-4); }
.gallery-tab{
  background: transparent; border: 1px solid rgba(24,35,82,0.2); border-radius: 20px; padding: 8px 16px;
  font-size: 13px; color: var(--navy); font-weight:500;
}
.gallery-tab.active{ background: var(--navy); color: var(--ivory); border-color: var(--navy); }

.gallery-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
.gallery-item{
  border:none; padding:0; background:none; border-radius: var(--radius); overflow:hidden; aspect-ratio: 4/3;
  position:relative;
}
.gallery-item img{ width:100%; height:100%; object-fit:cover; transition: transform .4s var(--ease); }
.gallery-item:hover img{ transform: scale(1.06); }
.gallery-item.hidden{ display:none; }

@media (min-width: 700px){ .gallery-grid{ grid-template-columns: repeat(3, 1fr); } }

/* =========================================================
   Location
   ========================================================= */
.location-grid{ display:grid; gap: var(--space-4); }
.landmark-list{ margin-top: var(--space-3); }
.landmark-list li{
  display:flex; align-items:baseline; gap: var(--space-2); padding: 12px 0; border-bottom:1px solid rgba(24,35,82,0.1);
}
.landmark-dist{ font-family: var(--font-mono); color: var(--crimson); font-weight:500; min-width: 64px; }
.location-map{ border-radius: var(--radius); overflow:hidden; min-height:320px; background: var(--ivory-2); }
.location-map iframe{ width:100%; height:100%; min-height:320px; border:0; display:block; }
.location-qr{
  margin-top: var(--space-4);
  display:grid;
  justify-items:center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--white);
  border: 1px solid rgba(24,35,82,0.08);
  border-radius: var(--radius);
}
.location-qr img{ width: 240px; max-width: 100%; display:block; }
.location-qr .qr-caption{ font-size: 13px; color: var(--slate); text-align:center; margin:0; }

@media (min-width: 880px){
  .location-grid{ grid-template-columns: 1fr 1fr; }
  .location-qr{ margin-top: 0; }
}

/* =========================================================
   Developer
   ========================================================= */
.developer{ background: var(--ivory-2); }
.developer-grid{ display:grid; gap: var(--space-4); align-items:start; }
.developer-media{
  background: var(--white); border: 1px solid rgba(24,35,82,0.1); padding: var(--space-4);
  display:flex; align-items:center; justify-content:center; border-radius: var(--radius);
}
.developer-media img{ width: 100%; max-width: 240px; }
.developer-stats{ display:flex; gap: var(--space-4); margin: var(--space-3) 0; }
.developer-stats strong{ display:block; font-family: var(--font-display); font-size: 30px; color: var(--navy); }
.developer-stats span{ font-size:12px; color: var(--slate); }

@media (min-width: 880px){ .developer-grid{ grid-template-columns: 280px 1fr; } }

/* =========================================================
   Contact / Lead form
   ========================================================= */
.contact{ background: var(--navy-3); }
.contact-grid{ display:grid; gap: var(--space-4); }
.contact-quick{ display:flex; flex-wrap:wrap; gap:12px; margin-top: var(--space-3); }

.lead-form{
  background: var(--ivory); padding: var(--space-3); border-radius: var(--radius);
  display:grid; grid-template-columns: 1fr; gap: var(--space-2);
}
.form-row label{ display:block; font-size:12px; font-weight:600; letter-spacing:.03em; text-transform:uppercase; color: var(--slate); margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding: 12px 14px; border: 1px solid rgba(24,35,82,0.2); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 14.5px; background: var(--white); color: var(--charcoal);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{ border-color: var(--crimson); }
.form-row-full{ grid-column: 1 / -1; }
.checkbox-row{ display:flex; align-items:flex-start; gap: 8px; font-size: 13px; color: #4b4b45; text-transform:none; font-weight:400; }
.checkbox-row input{ width:auto; margin-top:3px; }
.form-status{ font-size: 13px; min-height: 18px; margin:0; }
.form-status.success{ color: #1f7a5c; }
.form-status.error{ color: #b3432f; }

@media (min-width: 620px){
  .lead-form{ grid-template-columns: 1fr 1fr; }
}
@media (min-width: 880px){
  .contact-grid{ grid-template-columns: 1fr 1.1fr; align-items:start; }
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{ background: var(--navy-3); color: rgba(247,245,240,0.75); padding-top: var(--space-5); }
.footer-grid{ display:grid; gap: var(--space-3); padding-bottom: var(--space-4); }
.footer-logo{ height:40px; margin-bottom: var(--space-2); filter: brightness(0) invert(1); opacity: 0.92; }
.footer-brand p{ font-size: 13.5px; max-width: 32ch; color: rgba(247,245,240,0.6); }
.footer-col h4{ color: var(--ivory); font-family: var(--font-body); font-size: 13px; letter-spacing:1px; text-transform:uppercase; margin-bottom: var(--space-2); }
.footer-col p{ font-size: 13.5px; margin:0 0 8px; }
.footer-col a:hover{ color: var(--crimson-2); }
.social-row{ display:flex; flex-wrap:wrap; gap: 10px; }
.social-row a{ font-size: 13px; border:1px solid rgba(247,245,240,0.2); padding: 6px 12px; border-radius: 20px; }
.social-row a:hover{ border-color: var(--crimson-2); }
address{ font-style:normal; font-size:13.5px; }
.footer-bottom{ border-top: 1px solid rgba(247,245,240,0.12); padding: var(--space-3) var(--space-3) 110px; font-size: 11.5px; color: rgba(247,245,240,0.45); }
.footer-bottom p{ margin: 0 0 6px; }

@media (min-width: 700px){ .footer-grid{ grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
@media (min-width: 960px){ .footer-bottom{ padding-bottom: var(--space-3); } }

/* =========================================================
   Floating WhatsApp + Sticky mobile CTA bar
   ========================================================= */
.floating-whatsapp{
  position: fixed; z-index: 400; right: 18px; bottom: 92px;
  width: 54px; height: 54px; border-radius: 50%; background: #1f7a5c; color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transition: transform .2s;
}
.floating-whatsapp:hover{ transform: scale(1.08); }

.mobile-sticky-cta{
  position: fixed; z-index: 400; left:0; right:0; bottom:0;
  display:grid; grid-template-columns: 1fr 1.4fr 1fr; gap:1px; background: rgba(24,35,82,0.12);
  box-shadow: 0 -6px 20px rgba(0,0,0,0.12);
}
/* When there are only two buttons (call + whatsapp), use equal columns and a larger gap */
.mobile-sticky-cta.two-btns{
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 6px 8px;
}
.sticky-btn{
  border:none; padding: 16px 8px; text-align:center; font-size: 13px; font-weight:700; letter-spacing:.02em;
}
.sticky-call{ background: var(--navy); color: var(--ivory); }
.sticky-visit{ background: var(--crimson); color: var(--white); }
.sticky-whatsapp{ background: #1f7a5c; color: #fff; }

@media (min-width: 960px){
  .mobile-sticky-cta{ display:none; }
  .floating-whatsapp{ bottom: 24px; }
}

/* =========================================================
   Modals
   ========================================================= */
.modal-overlay{
  position: fixed; inset:0; z-index: 900; display:none;
  background: rgba(16,25,61,0.72); backdrop-filter: blur(3px);
  align-items:center; justify-content:center; padding: var(--space-2);
}
.modal-overlay.open{ display:flex; }
.modal{
  display:none; background: var(--ivory); border-radius: var(--radius); max-width: 440px; width:100%;
  padding: var(--space-4) var(--space-3) var(--space-3); position:relative; max-height: 88vh; overflow:auto;
}
.modal.modal-lg{ max-width: 640px; }
.modal.open{ display:block; animation: modalIn .25s var(--ease); }
@keyframes modalIn{ from{ opacity:0; transform: translateY(12px) scale(.98);} to{ opacity:1; transform:none; } }
.modal-close{
  position:absolute; top:12px; right:12px; background:none; border:none; font-size: 26px; line-height:1; color: var(--slate);
  width:36px; height:36px;
}
.modal-close:hover{ color: var(--navy); }
.modal h3{ margin-bottom: 6px; }
.modal p{ font-size: 14px; color: var(--slate); margin-bottom: var(--space-2); }
.modal-form{ display:grid; gap: var(--space-2); margin-top: var(--space-2); }
.modal-form label{ display:block; font-size:12px; font-weight:600; letter-spacing:.03em; text-transform:uppercase; color: var(--slate); margin-bottom:6px; }
.modal-form input{
  width:100%; padding: 12px 14px; border: 1px solid rgba(24,35,82,0.2); border-radius: var(--radius); font-size:14.5px; font-family: var(--font-body);
}
#lightboxModal{ background:transparent; padding:0; max-width: 90vw; box-shadow:none; }
#lightboxModal img{ width:100%; border-radius: var(--radius); }
.policy-body h4{ color: var(--navy); margin: var(--space-2) 0 6px; }
.policy-body p{ font-size: 14px; color: #4b4b45; }