/* ==========================================================================
   TERRACE GARDEN INDIA - PREMIUM LUXURY TRANSITIONS & BOTANICAL SYSTEM
   ========================================================================== */

/* 1. Root & Custom Typography / Colors */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400;1,600&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  
  /* Rich Botanical Palette */
  --bg-sand: #f5efe3;
  --bg-sand-warm: #ece3d2;
  --bg-deep-forest: #0d1e15;
  --bg-dark-slate: #08140c;
  --accent-gold: #d4af37;
  --accent-gold-soft: rgba(212, 175, 55, 0.22);
  --accent-olive-glow: rgba(125, 140, 60, 0.35);
  
  --trans-smooth: cubic-bezier(0.2, 0.8, 0.2, 1);
  --trans-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 2. Global Page Transition Overlay */
.page-transition-curtain {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-deep-forest);
  transform: translateY(-100%);
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.65s cubic-bezier(0.77, 0, 0.175, 1);
}

.page-transition-curtain.is-active {
  transform: translateY(0%);
  pointer-events: all;
}

.page-transition-curtain.is-leaving {
  transform: translateY(100%);
}

.curtain-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: #f5efe3;
  font-family: var(--font-sans);
  text-align: center;
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.35s ease, transform 0.35s var(--trans-spring);
}

.page-transition-curtain.is-active .curtain-logo {
  opacity: 1;
  transform: scale(1);
}

.curtain-logo img {
  width: 64px;
  height: auto;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.4));
  animation: pulse-leaf 2s infinite ease-in-out;
}

.curtain-logo span {
  font-size: 13px;
  letter-spacing: 0.25em;
  font-weight: 700;
  color: #c9d68a;
}

@keyframes pulse-leaf {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08) rotate(3deg); }
}

/* 3. Smooth Page Entry Animation */
body {
  opacity: 1;
  transition: opacity 0.4s ease-in;
}

body.page-is-loading {
  opacity: 0;
}

/* 4. Luxury Typography Enhancement */
h1 em, h2 em, .hero h1 em, .services-intro h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: #8da442;
  letter-spacing: -0.01em;
}

.service-kicker, .eyebrow, .about-eyebrow, .process-eyebrow, .contact-kicker {
  letter-spacing: 0.16em !important;
  font-weight: 700 !important;
  font-size: 12px !important;
  text-transform: uppercase;
}

/* 5. Scroll Reveal System */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.85s var(--trans-smooth), transform 0.85s var(--trans-smooth);
  will-change: transform, opacity;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger-1 { transition-delay: 0.08s; }
.reveal-stagger-2 { transition-delay: 0.16s; }
.reveal-stagger-3 { transition-delay: 0.24s; }
.reveal-stagger-4 { transition-delay: 0.32s; }
.reveal-stagger-5 { transition-delay: 0.40s; }

/* 6. High-End Micro-interactions */
/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--trans-spring), box-shadow 0.35s ease, background 0.3s ease, color 0.3s ease !important;
}

.btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.24) 0%, transparent 60%);
  opacity: 0;
  transform: scale(0.5);
  transition: transform 0.5s ease, opacity 0.5s ease;
  pointer-events: none;
}

.btn:hover::after {
  opacity: 1;
  transform: scale(1);
}

.btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 28px -8px rgba(13, 30, 21, 0.35);
}

.btn:active {
  transform: translateY(-1px) scale(0.99);
}

/* Interactive Cards Hover Zoom & Tilt */
.hero-cards article,
.tg-grid3 article,
.tg-plant-grid article,
.terrace-portfolio-card,
.interior-service,
.sw-card,
.journey-modern-grid article {
  transition: transform 0.45s var(--trans-smooth), box-shadow 0.45s ease, border-color 0.4s ease;
}

.hero-cards article:hover,
.tg-grid3 article:hover,
.tg-plant-grid article:hover,
.terrace-portfolio-card:hover,
.interior-service:hover,
.journey-modern-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(13, 30, 21, 0.15);
}

/* Image zoom inside cards */
.terrace-portfolio-card .terrace-portfolio-image img,
.interior-service-photos img,
.gx-btn img {
  transition: transform 0.75s var(--trans-smooth), filter 0.5s ease;
}

.terrace-portfolio-card:hover .terrace-portfolio-image img,
.interior-service:hover .interior-service-photos img,
.gx-btn:hover img {
  transform: scale(1.06);
}

/* 7. Header Glassmorphism & Fixed Navigation */
.global-header, .sticky {
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
}

.global-header.service-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Service page headers sit directly over their hero videos, with no glass panel. */
body.service-page .service-detail-hero > .global-header.service-header {
  position: absolute !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

/* Modern Nav links */
.nav a.l {
  position: relative;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.nav a.l::before {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: #9bb34b;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--trans-smooth);
}

.nav a.l:hover::before,
.nav a.l.on::before {
  transform: scaleX(1);
  transform-origin: left;
}

/* 8. Floating Back To Top Button */
.tgi-back-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-deep-forest);
  color: #f5efe3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(201, 214, 138, 0.25);
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: opacity 0.4s var(--trans-smooth), transform 0.4s var(--trans-smooth), background 0.3s ease;
}

.tgi-back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tgi-back-top:hover {
  background: #7d8c3c;
  transform: translateY(-3px) scale(1.05);
}

/* 9. Reading & Polish on Mobile */
@media (max-width: 768px) {
  .tgi-back-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}