/* =========================================================
   Tripur Associates DEVELOPERS — SHARED DESIGN SYSTEM
   ========================================================= */

/* -------------------------
   1. GOOGLE FONTS IMPORT
   ------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Lato:ital,wght@0,300;0,400;0,700;1,400&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');
@import url('https://unpkg.com/aos@2.3.1/dist/aos.css');

/* -------------------------
   2. THEME VARIABLES
   ------------------------- */

/* Theme 1: The Crown — Navy & Champagne Gold (Lodha-inspired) */
:root,
:root[data-theme="crown"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f9f8f6;
  --text-main: #1a1a1a;
  --text-light: #666666;
  --accent: #d4af37;
  --accent-hover: #b5952f;
  --header-bg: #0a192f;
  --header-text: #ffffff;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  --font-sub: 'Montserrat', sans-serif;
  --card-bg: #ffffff;
  --border-color: #eaeaea;
  --nav-active-bg: #0a192f;
  --badge-new-bg: #d4af37;
  --badge-new-color: #0a192f;
  --radius: 4px;
}

/* Theme 2: The Legacy — Charcoal & Copper (Runwal-inspired) */
:root[data-theme="legacy"] {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --text-main: #f0f0f0;
  --text-light: #a0a0a0;
  --accent: #b87333;
  --accent-hover: #9c612b;
  --header-bg: #000000;
  --header-text: #ffffff;
  --font-display: 'Cinzel', serif;
  --font-body: 'Montserrat', sans-serif;
  --font-sub: 'Lato', sans-serif;
  --card-bg: #1a1a1a;
  --border-color: #333333;
  --nav-active-bg: #000000;
  --badge-new-bg: #b87333;
  --badge-new-color: #ffffff;
  --radius: 2px;
}

/* Theme 3: The Serene — Earth & Olive (Kalpataru-inspired) */
:root[data-theme="serene"] {
  --bg-primary: #faf9f5;
  --bg-secondary: #f0ece1;
  --text-main: #2c3525;
  --text-light: #5c6652;
  --accent: #6b705c;
  --accent-hover: #505445;
  --header-bg: #2c3525;
  --header-text: #ffffff;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Lato', sans-serif;
  --font-sub: 'Montserrat', sans-serif;
  --card-bg: #ffffff;
  --border-color: #d8d3c4;
  --nav-active-bg: #2c3525;
  --badge-new-bg: #6b705c;
  --badge-new-color: #ffffff;
  --radius: 8px;
}

/* -------------------------
   3. RESET & BASE
   ------------------------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.7;
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}
p { color: var(--text-light); margin-bottom: 1.25rem; font-size: 1.05rem; }
a { text-decoration: none; color: inherit; transition: color 0.3s ease; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* -------------------------
   4. LAYOUT UTILITIES
   ------------------------- */
.container { max-width: 1300px; margin: 0 auto; padding: 0 5%; }
.section-padding { padding: 110px 0; }
.text-center { text-align: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 35px; }

.subtitle {
  font-family: var(--font-sub);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  display: block;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
  color: var(--text-main);
}

/* -------------------------
   5. NAVIGATION
   ------------------------- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
#navbar.scrolled {
  background: var(--nav-active-bg) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 14px 0;
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}
#navbar .nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 10;
  position: relative;
}
.nav-menu {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-menu a {
  color: rgba(255,255,255,0.85);
  font-family: var(--font-sub);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  transition: color 0.3s;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.35s ease;
}
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 10;
  position: relative;
}
.hamburger span {
  display: block; width: 26px; height: 2px;
  background: #fff;
  transition: all 0.35s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--nav-active-bg);
  z-index: 999;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 35px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #ffffff;
  letter-spacing: 2px;
  transition: color 0.3s;
}
.mobile-nav a:hover { color: var(--accent); }

/* -------------------------
   6. BUTTONS
   ------------------------- */
.btn {
  display: inline-block;
  padding: 15px 38px;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.4s ease;
  border-radius: var(--radius);
}
.btn-solid {
  background: var(--accent);
  color: #ffffff;
  border: 2px solid var(--accent);
}
.btn-solid:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}
.btn-outline {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: #ffffff;
  color: var(--text-main);
  transform: translateY(-3px);
}
.btn-dark {
  background: var(--text-main);
  color: var(--bg-primary);
  border: 2px solid var(--text-main);
}
.btn-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

/* -------------------------
   7. BADGES / TAGS
   ------------------------- */
.badge {
  display: inline-block;
  padding: 7px 16px;
  font-family: var(--font-sub);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  backdrop-filter: blur(5px);
  border-radius: var(--radius);
}
.badge-uc { background: rgba(255,255,255,0.92); color: #111; }
.badge-ready { background: #0a192f; color: #fff; }
.badge-new { background: var(--badge-new-bg); color: var(--badge-new-color); }
.badge-closed { background: #1a1a1a; color: #fff; }

/* -------------------------
   8. CARDS
   ------------------------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.05);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 45px rgba(0,0,0,0.12);
}
.card-img-wrap {
  position: relative;
  overflow: hidden;
}
.card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-img-wrap img { transform: scale(1.06); }

.badge-container {
  position: absolute;
  top: 18px; left: 18px; right: 18px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  z-index: 2;
}

/* -------------------------
   9. THEME SWITCHER PANEL
   ------------------------- */
.theme-panel {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 500;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 180px;
}
.theme-panel .panel-label {
  font-family: var(--font-sub);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 5px;
}
.t-btn {
  padding: 9px 14px;
  border: none;
  background: var(--bg-secondary);
  color: var(--text-main);
  cursor: pointer;
  font-family: var(--font-sub);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  transition: all 0.25s;
  border-left: 3px solid transparent;
  text-align: left;
  border-radius: var(--radius);
}
.t-btn:hover,
.t-btn.active {
  background: var(--border-color);
  border-left-color: var(--accent);
  font-weight: 700;
}

/* -------------------------
   10. FOOTER
   ------------------------- */
footer {
  background-color: var(--header-bg);
  color: rgba(255,255,255,0.7);
  padding: 90px 0 35px;
  font-family: var(--font-body);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  color: #fff;
  margin-bottom: 18px;
  display: block;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.footer-tagline { font-size: 0.95rem; max-width: 280px; }
.footer-rera { color: var(--accent); font-size: 0.85rem; margin-top: 12px; font-family: var(--font-sub); font-weight: 600; }
footer h4 {
  color: #fff;
  font-family: var(--font-sub);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  margin-bottom: 22px;
}
footer ul li { margin-bottom: 12px; }
footer ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  transition: color 0.3s;
}
footer ul li a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-legal-links { display: flex; gap: 24px; }
.footer-legal-links a {
  color: rgba(255,255,255,0.4);
  font-size: 0.82rem;
  transition: color 0.3s;
}
.footer-legal-links a:hover { color: var(--accent); }

/* -------------------------
   11. PAGE HERO (Generic)
   ------------------------- */
.page-hero {
  padding: 180px 0 90px;
  background: var(--header-bg);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212,175,55,0.15) 0%, transparent 60%);
}
.page-hero h1 {
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 4rem);
  position: relative;
  z-index: 1;
}
.page-hero p {
  color: rgba(255,255,255,0.65);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 16px auto 0;
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}
.breadcrumb span {
  font-family: var(--font-sub);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.5);
}
.breadcrumb span.current { color: var(--accent); }
.breadcrumb span.sep { color: rgba(255,255,255,0.3); }

/* -------------------------
   12. FAQ STYLES (Shared)
   ------------------------- */
.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 22px 0;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  gap: 20px;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  font-size: 1.6rem;
  color: var(--accent);
  transition: transform 0.35s ease;
  font-weight: 300;
  flex-shrink: 0;
  line-height: 1;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease, padding 0.45s ease;
}
.faq-item.active .faq-answer { max-height: 300px; padding-top: 16px; }
.faq-answer p { margin: 0; color: var(--text-light); }

/* -------------------------
   13. CONTACT FORM (Shared)
   ------------------------- */
.contact-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 38px;
  gap: 0;
}
.tab-btn {
  padding: 14px 28px;
  border: none;
  background: transparent;
  color: var(--text-light);
  font-family: var(--font-sub);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 0%; height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}
.tab-btn.active { color: var(--accent); }
.tab-btn.active::after { width: 100%; }

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeUp 0.4s ease; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 28px; }
.input-group { position: relative; margin-bottom: 30px; }
.input-group input,
.input-group select,
.input-group textarea {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s;
  appearance: none;
}
.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus { border-bottom-color: var(--accent); }
.input-group label {
  position: absolute;
  top: 14px; left: 0;
  color: var(--text-light);
  font-family: var(--font-sub);
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  pointer-events: none;
  transition: all 0.3s ease;
}
.input-group input:focus ~ label,
.input-group input:valid ~ label,
.input-group textarea:focus ~ label,
.input-group textarea:valid ~ label {
  top: -12px;
  font-size: 0.7rem;
  color: var(--accent);
}

/* -------------------------
   14. ANIMATIONS
   ------------------------- */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -------------------------
   15. RESPONSIVE
   ------------------------- */
@media (max-width: 1024px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .section-padding { padding: 70px 0; }
  .nav-menu { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }
  .grid-3 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal-links { justify-content: center; flex-wrap: wrap; gap: 16px; }
  .theme-panel { bottom: 15px; right: 15px; min-width: 160px; }
}
@media (max-width: 480px) {
  .page-hero { padding: 150px 0 60px; }
  .contact-tabs { flex-direction: column; gap: 0; }
  .tab-btn { text-align: left; border-bottom: 1px solid var(--border-color); }
}

/* -------------------------
   16. SHARED SCRIPT STYLES
   ------------------------- */
/* Scroll reveal helper */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }