/* ============================================
   Siddha Serena – PHP Static Site Styles
   ============================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; font-family: 'Poppins', system-ui, sans-serif; color: #333; background: #fff; line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; }

:root { --green: #5a8c3a; --green-dark: #4a7d2c; --green-darker: #3a6b1f; --gold: #b8a647; --gray-50: #f7f7f7; --gray-100: #f3f3f3; --gray-200: #e5e5e5; --gray-700: #555; --gray-900: #222; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.text-center { text-align: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 22px; border-radius: 6px; font-size: 14px; font-weight: 500; transition: background-color .2s, transform .2s; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: var(--green-dark); }
.btn-light { background: #fff; color: var(--green); }
.btn-light:hover { background: var(--gray-100); }
.btn-lg { padding: 14px 30px; font-size: 15px; }
.btn-block { width: 100%; }

/* TOPBAR */
.topbar { position: fixed; top: 0; right: 0; z-index: 50; display: flex; }
.topbar-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; color: #fff; font-size: 13px; font-weight: 500; }
.topbar-btn.schedule { background: var(--green); }
.topbar-btn.schedule:hover { background: var(--green-dark); }
.topbar-btn.phone { background: var(--green-dark); }
.topbar-btn.phone:hover { background: var(--green-darker); }
@media (max-width: 991px){ .topbar { display: none; } }

/* HEADER */
.site-header { position: fixed; top: 0; left: 0; right: 380px; z-index: 40; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
@media (max-width: 991px){ .site-header { right: 0; } }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 78px; padding: 0 24px; }
.brand { display: inline-flex; align-items: center; font-size: 22px; font-weight: 800; letter-spacing: .5px; flex-shrink: 0; }
.brand-logo { height: 48px; max-height: 48px; width: auto; display: block; object-fit: contain; }
.brand-logo-footer { height: 64px; max-height: 64px; width: auto; display: block; margin: 0 auto; object-fit: contain; }
.brand-siddha { color: var(--green); }
.brand-serena { color: var(--gold); }
.brand-lg { font-size: 28px; }
@media (max-width: 991px){
  .brand-logo { height: 38px; max-height: 38px; }
}
.main-nav { display: flex; align-items: center; gap: 28px; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; padding-bottom: 4px; font-size: 14px; color: #444; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav-link:hover { color: var(--green); }
.nav-link.active { color: var(--green); border-bottom-color: var(--green); }
.header-right { display: flex; align-items: center; gap: 14px; }
.affiliate-badge { font-size: 9px; line-height: 1.25; padding: 6px 10px; border: 1px solid var(--gray-200); border-radius: 4px; color: #444; text-align: center; display: flex; flex-direction: column; gap: 2px; max-width: 180px; }
.affiliate-badge strong { font-weight: 600; }
.affiliate-badge span { font-size: 8px; color: #666; font-weight: 500; }
.menu-toggle { display: none; background: transparent; font-size: 22px; }
@media (max-width: 991px){
  .main-nav { display: none; position: absolute; top: 78px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 12px 20px; gap: 14px; border-top: 1px solid var(--gray-200); }
  .main-nav.open { display: flex; }
  .menu-toggle { display: inline-flex; }
  .affiliate-badge { display: none; }
}

/* HERO */
.hero { padding-top: 78px; position: relative; }
.hero-slider { position: relative; height: 680px; overflow: hidden; background: #1a1a1a; }
@media (max-width: 991px){ .hero-slider { height: 600px; } }
@media (max-width: 600px){
  .hero-slider { height: 280px; }
}
.hero-slide { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1s ease; }
.hero-slide.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,.35), rgba(0,0,0,0) 50%, rgba(0,0,0,.2)); }

/* Info card – desktop: absolute over slider; mobile: normal flow below slider */
.hero-card { position: absolute; left: 40px; top: calc(78px + 50%); transform: translateY(-50%); width: 360px; z-index: 5; }
@media (max-width: 991px){ .hero-card { left: 20px; width: 320px; } }
@media (max-width: 600px){
  .hero-card { position: relative; top: auto; left: auto; transform: none; width: auto; margin: 16px; z-index: 1; }
}
.hero-tag { background: var(--green); color: #fff; text-align: center; padding: 8px; font-size: 13px; font-weight: 500; letter-spacing: 2px; border-radius: 6px 6px 0 0; }
.hero-body { background: rgba(255,255,255,.96); padding: 22px; border-radius: 0 0 6px 6px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.hero-name { margin: 0; font-size: 26px; font-weight: 700; color: var(--gray-900); letter-spacing: 1px; }
.hero-loc { margin: 4px 0 0; font-size: 16px; color: #444; }
.hero-by { margin: 8px 0 12px; font-size: 13px; color: #666; text-align: center; font-style: italic; }
.hero-meta { border-top: 1px solid var(--gray-200); padding-top: 12px; font-size: 14px; }
.hero-meta > div { display: flex; justify-content: space-between; padding: 4px 0; color: #555; }
.hero-meta strong { color: var(--gray-900); }
.hero-features { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.feature { background: var(--green); color: #fff; text-align: center; padding: 8px; font-size: 13px; border-radius: 4px; }
.hero-bhk { margin: 14px 0 4px; text-align: center; font-size: 14px; color: #555; }
.hero-price { margin: 0; text-align: center; font-size: 28px; font-weight: 700; color: var(--green); }
.hero-price span { font-size: 14px; font-weight: 400; color: #555; }
.hero-body .btn { display: flex; margin: 14px auto 0; padding-left: 30px; padding-right: 30px; }
.hero-rera { margin: 12px 0 0; text-align: center; font-size: 10px; color: #888; }
.slider-nav { position: absolute; bottom: 24px; width: 40px; height: 40px; background: rgba(255,255,255,.7); color: #333; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; transition: background .2s; z-index: 6; }
.slider-nav:hover { background: #fff; }
.slider-nav.prev { left: 420px; }
.slider-nav.next { right: 24px; }
@media (max-width: 991px){ .slider-nav.prev { left: 20px; } }
.slider-dots { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; z-index: 5; }
.slider-dots button { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.6); transition: all .3s; }
.slider-dots button.active { background: #fff; width: 24px; border-radius: 6px; }
.impression { position: absolute; right: 12px; bottom: 6px; color: rgba(255,255,255,.8); font-size: 10px; z-index: 5; }

/* SECTIONS */
.section { padding: 60px 0; }
.about-section, .siteplan-section, .location-section, .brochure-section { background: #fff; }
.pricing-section, .amenities-section { background: var(--gray-50); }
.section-title { text-align: center; font-size: 26px; font-weight: 700; color: var(--gray-900); margin: 0; }
.section-title-left { font-size: 26px; font-weight: 700; color: var(--gray-900); margin: 0; }
.title-underline { height: 3px; width: 60px; background: var(--green); margin: 8px auto 32px; border-radius: 2px; }
.title-underline.left { margin: 8px 0 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 768px){ .grid-2 { grid-template-columns: 1fr; gap: 24px; } }
.about-text, .about-more { color: #555; line-height: 1.75; margin: 0 0 12px; }
.read-more { color: var(--green); font-size: 14px; font-weight: 500; }
.read-more:hover { text-decoration: underline; }
.about-img { border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.12); width: 100%; }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 768px){ .pricing-grid { grid-template-columns: 1fr; } }
.price-card { background: var(--green); color: #fff; border-radius: 10px; padding: 30px 24px; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,.08); transition: transform .25s, box-shadow .25s; }
.price-card:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(0,0,0,.15); }
.price-card h3 { margin: 0; font-size: 22px; }
.price-card .divider { width: 50px; height: 2px; background: rgba(255,255,255,.6); margin: 16px auto; }
.price-card .area { margin: 0; font-size: 16px; }
.price-card .amt { margin: 18px 0 22px; font-size: 22px; font-weight: 700; }

/* SITE PLAN */
.plan-img { position: relative; border-radius: 10px; overflow: hidden; box-shadow: 0 6px 18px rgba(0,0,0,.1); cursor: pointer; }
.plan-img img { width: 100%; height: 300px; object-fit: cover; filter: blur(2px); transition: filter .3s; }
.plan-img:hover img { filter: blur(3px); }
.plan-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; font-weight: 600; }
.siteplan-section .text-center { margin-top: 20px; }

/* AMENITIES */
.amenities-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 768px){ .amenities-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px){ .amenities-grid { grid-template-columns: 1fr; } }
.amenity { position: relative; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 12px rgba(0,0,0,.1); height: 220px; }
.amenity img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.amenity:hover img { transform: scale(1.05); }
.amenity::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.7), transparent 60%); }
.amenity-name { position: absolute; bottom: 14px; left: 16px; color: #fff; font-size: 17px; font-weight: 600; z-index: 2; }
.impression-tag { position: absolute; top: 8px; right: 8px; background: rgba(0,0,0,.3); color: rgba(255,255,255,.85); font-size: 10px; padding: 2px 8px; border-radius: 4px; z-index: 2; }

/* LOCATION */
.map-wrap { border-radius: 10px; overflow: hidden; box-shadow: 0 6px 18px rgba(0,0,0,.1); margin-bottom: 24px; }
.map-wrap iframe { width: 100%; height: 360px; border: 0; }
.loc-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; justify-content: center; }
.loc-tab { padding: 9px 18px; font-size: 14px; font-weight: 500; background: var(--gray-100); color: #444; border-radius: 6px; transition: background .2s, color .2s; }
.loc-tab:hover { background: var(--gray-200); }
.loc-tab.active { background: var(--green); color: #fff; }
.loc-panel { display: none; border: 1px solid var(--gray-200); border-radius: 10px; padding: 20px; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.loc-panel.active { display: grid; }
@media (max-width: 600px){ .loc-panel.active { grid-template-columns: 1fr; } }
.loc-item { display: flex; align-items: center; gap: 10px; color: #555; font-size: 14px; }
.loc-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; }

/* BROCHURE */
.brochure-text { color: #555; max-width: 600px; margin: 0 auto 24px; }

/* FOOTER */
.site-footer { background: #fff; border-top: 1px solid var(--gray-200); padding: 40px 16px; margin-right: 380px; }
@media (max-width: 991px){ .site-footer { margin-right: 0; margin-bottom: 56px; } }
.footer-inner { text-align: center; max-width: 900px; margin: 0 auto; }
.footer-inner .brand-lg { display: block; margin: 0 auto 12px; text-align: center; }
.rera { font-size: 14px; color: #555; margin: 0; }
.disclaimer { font-size: 12px; color: #888; max-width: 700px; margin: 14px auto 0; }
.copy { font-size: 12px; color: #999; margin: 12px 0 0; }

/* SIDEBAR */
.sidebar-form { position: fixed; top: 0; right: 0; width: 380px; height: 100vh; background: #fff; border-left: 1px solid var(--gray-200); z-index: 35; overflow-y: auto; padding: 60px 12px 24px; }
@media (max-width: 991px){ .sidebar-form { display: none; } }
.enquiry-card { padding: 14px; }
.enquiry-title { text-align: center; font-size: 18px; color: #222; margin: 0; letter-spacing: 1px; }
.enquiry-card > .title-underline { width: 40px; height: 3px; background: #222; margin: 6px auto 18px; }
.enquiry-form { display: flex; flex-direction: column; gap: 12px; }
.enquiry-form input[type=text], .enquiry-form input[type=tel] { padding: 11px 12px; border: 1px solid var(--gray-200); border-radius: 6px; font-size: 14px; outline: none; transition: border-color .2s; font-family: inherit; }
.enquiry-form input:focus { border-color: var(--green); }
.phone-row { display: flex; border: 1px solid var(--gray-200); border-radius: 6px; overflow: hidden; }
.phone-row .cc { padding: 11px 12px; background: var(--gray-50); border-right: 1px solid var(--gray-200); font-size: 13px; color: #555; }
.phone-row input { border: 0; flex: 1; padding: 11px 12px; font-size: 14px; outline: none; font-family: inherit; }
.consent { display: flex; gap: 8px; font-size: 11px; color: #666; line-height: 1.45; }
.consent input { margin-top: 3px; accent-color: var(--green); }
.consent a { text-decoration: underline; }
.freebie { margin-top: 18px; background: linear-gradient(135deg, #e8f0dc, #f4f8ec); padding: 14px; border-radius: 8px; text-align: center; font-size: 13px; color: #555; }
.freebie strong { display: block; color: var(--gray-900); margin-bottom: 4px; }

/* WhatsApp FAB */
.fab-whatsapp { position: fixed; bottom: 24px; right: 400px; z-index: 30; background: #25D366; color: #fff; width: 52px; height: 52px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 26px; box-shadow: 0 6px 18px rgba(37,211,102,.45); animation: pulse 2.4s infinite; }
.fab-whatsapp:hover { background: #1faa54; }
@media (max-width: 991px){ .fab-whatsapp { right: 20px; bottom: 70px; } }
@keyframes pulse { 0%,100% { box-shadow: 0 6px 18px rgba(37,211,102,.45); } 50% { box-shadow: 0 6px 28px rgba(37,211,102,.7); } }

/* Mobile bottom bar */
.mobile-bottom-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 45; background: #fff; border-top: 1px solid var(--gray-200); }
@media (max-width: 991px){ .mobile-bottom-bar { display: flex; } }
.mobile-bottom-bar > * { flex: 1; padding: 13px 0; text-align: center; font-size: 14px; font-weight: 500; color: #333; background: #fff; border-right: 1px solid var(--gray-200); }
.mobile-bottom-bar > *:last-child { border-right: 0; }
.mobile-bottom-bar .primary { background: var(--green); color: #fff; }
.mobile-bottom-bar .wa { color: #25D366; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 100; align-items: center; justify-content: center; padding: 16px; }
.modal-overlay.open { display: flex; }
.modal-content { position: relative; width: 100%; max-width: 440px; background: #fff; border-radius: 10px; padding: 30px 16px 16px; box-shadow: 0 20px 60px rgba(0,0,0,.3); max-height: 92vh; overflow-y: auto; }
.modal-close { position: absolute; top: 8px; right: 12px; background: transparent; font-size: 28px; color: #777; line-height: 1; }
.modal-close:hover { color: var(--gray-900); }

/* Adjust main content for sidebar */
.main-content { margin-right: 380px; }
@media (max-width: 991px){ .main-content { margin-right: 0; padding-bottom: 56px; } }