/* ==========================================================================
   PRIZMA LIGHTWARE STUDIO - IMMERSIVE FULL-BLEED LIGHTING DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
  /* Prizma Sleek Dark Palette */
  --bg-dark: #0A0A0C;
  --bg-card: rgba(18, 18, 24, 0.85);
  --bg-card-hover: rgba(26, 26, 34, 0.92);

  /* Prizma Warm Amber & Copper Accents */
  --amber-primary: #E68A00;
  --amber-gold: #FF9E00;
  --amber-glow: rgba(230, 138, 0, 0.4);
  --cyan-lumos: #00F0FF;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;

  --border-light: rgba(255, 255, 255, 0.1);
  --border-amber-active: rgba(230, 138, 0, 0.5);

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --tr-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --tr-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1E1E24;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--amber-primary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.heading-display {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.sub-tag-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber-primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

/* Prizma Amber Pill Button */
.btn-prizma {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--tr-fast);
  border: none;
  background: var(--amber-primary);
  color: #000;
  box-shadow: 0 4px 20px rgba(230, 138, 0, 0.4);
}

.btn-prizma:hover {
  background: #FF9E00;
  box-shadow: 0 6px 28px rgba(230, 138, 0, 0.6);
  transform: translateY(-2px);
}

.btn-prizma-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 2.2rem;
  border-radius: 6px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--tr-fast);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
}

.btn-prizma-outline:hover, .btn-prizma-outline.active {
  border-color: var(--amber-primary);
  color: var(--amber-primary);
  background: rgba(230, 138, 0, 0.15);
}

/* NAVBAR */
.navbar-prizma {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.4rem 0;
  background: rgba(10, 10, 12, 0.75);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--tr-fast);
}

.navbar-prizma.scrolled {
  padding: 0.9rem 0;
  background: rgba(10, 10, 12, 0.96);
  border-bottom: 1px solid rgba(230, 138, 0, 0.25);
}

.brand-prizma {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #FFF;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 900;
}

.logo-bulb-icon {
  color: var(--amber-primary);
  display: inline-flex;
  align-items: center;
}

.nav-links-prizma {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link-item {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.45rem 0.6rem;
  transition: var(--tr-fast);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-link-item::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--amber-primary), #FFD700);
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(230, 138, 0, 0.9);
  opacity: 0;
  transform: scaleX(0);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-link-item:hover {
  color: #FFF;
}

.nav-link-item:hover::after {
  opacity: 0.6;
  transform: scaleX(0.7);
}

/* Golden Underline Indicator Line for Active Navbar Section */
.nav-link-item.active {
  color: var(--amber-primary) !important;
  font-weight: 700 !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

.nav-link-item.active::after {
  opacity: 1 !important;
  transform: scaleX(1) !important;
}

/* HERO SECTION - FULL BLEED SPACIOUS LAYOUT */
.hero-prizma {
  position: relative;
  padding: 10.5rem 0 6rem 0;
  min-height: 94vh;
  display: flex;
  align-items: center;
  background: url('../assets/images/hero_full_bg.png') no-repeat center center / cover;
  transition: filter 0.5s ease;
}

.hero-overlay-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 12, 0.15) 0%, rgba(10, 10, 12, 0.40) 65%, var(--bg-dark) 100%);
  z-index: 1;
  pointer-events: none;
}

.hero-single-col-stage {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.hero-title-prizma {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
  line-height: 1.08;
  text-shadow: 0 4px 25px rgba(0, 0, 0, 0.85);
}

.hero-desc-bold {
  color: #FFFFFF;
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.65;
  max-width: 660px;
  margin-bottom: 1.4rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.9);
}

.hero-link-yellow {
  color: #FFB700 !important;
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  display: inline-block;
  transition: var(--tr-fast);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.hero-link-yellow:hover {
  color: #FFD000 !important;
  transform: translateX(6px);
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  max-width: 650px;
}

.stat-item h3 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--amber-primary);
  font-family: var(--font-heading);
}

.stat-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* CREATIVE NEW SECTION: DESIGN PROCESS WORKFLOW */
.process-section {
  padding: 6.5rem 0;
  background: var(--bg-dark);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 2.2rem 1.8rem;
  transition: var(--tr-smooth);
  position: relative;
}

.process-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-amber-active);
  box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 25px var(--amber-glow);
}

.process-step-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(230, 138, 0, 0.35);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.process-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.process-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* SHOP CONCEPTS SECTION */
.shops-concepts-section {
  padding: 7rem 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(16, 16, 20, 0.95) 50%, var(--bg-dark) 100%),
              url('../assets/images/hotel_lobby.png') no-repeat center center / cover attachment fixed;
}

.shops-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.2rem;
  margin-top: 3.5rem;
}

.shop-concept-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  overflow: hidden;
  backdrop-filter: blur(16px);
  transition: var(--tr-smooth);
}

.shop-concept-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-amber-active);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.7), 0 0 35px var(--amber-glow);
}

.shop-card-img {
  height: 250px;
  position: relative;
  overflow: hidden;
}

.shop-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.shop-concept-card:hover .shop-card-img img {
  transform: scale(1.07);
}

.shop-card-body {
  padding: 1.8rem;
}

.shop-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber-primary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.shop-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

/* ARCHITECTURAL PRODUCT COLLECTION - CENTERED LAYOUT */
.catalog-section {
  padding: 7rem 0;
  background: var(--bg-dark);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.2rem;
  margin-top: 3.5rem;
  justify-content: center;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  padding: 2.4rem 2rem;
  backdrop-filter: blur(16px);
  transition: var(--tr-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: space-between;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--amber-primary);
  box-shadow: 0 20px 40px rgba(0,0,0,0.6), 0 0 25px var(--amber-glow);
}

.prod-footer-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  border-top: 1px solid var(--border-light);
  padding-top: 1.2rem;
  margin-top: 1.2rem;
}

/* LUX CALCULATOR */
.calc-section {
  padding: 7rem 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-dark) 0%, rgba(16, 16, 20, 0.92) 50%, var(--bg-dark) 100%),
              url('../assets/images/restaurant.png') no-repeat center center / cover attachment fixed;
}

.calc-box {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-amber-active);
  border-radius: 28px;
  padding: 3.5rem;
  backdrop-filter: blur(20px);
}

/* FORM SECTION */
.form-section {
  padding: 7rem 0;
  background: var(--bg-dark);
}

.established-form-card {
  background: rgba(20, 20, 26, 0.92);
  border: 1px solid var(--border-amber-active);
  border-radius: 28px;
  padding: 3rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 35px var(--amber-glow);
  backdrop-filter: blur(20px);
}

.form-step-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--tr-fast);
}

.step-indicator.active {
  color: var(--amber-primary);
}

.step-num-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.step-indicator.active .step-num-badge {
  background: var(--amber-primary);
  color: #000;
  border-color: var(--amber-primary);
  box-shadow: 0 0 15px rgba(230, 138, 0, 0.5);
}

.form-step-content {
  display: none;
}

.form-step-content.active {
  display: block;
}

.form-input-prizma, .form-select-prizma {
  width: 100%;
  padding: 0.95rem 1.2rem;
  background: rgba(10, 10, 12, 0.8);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  color: #FFF;
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: var(--tr-fast);
}

.form-input-prizma:focus, .form-select-prizma:focus {
  border-color: var(--amber-primary);
  box-shadow: 0 0 15px rgba(230, 138, 0, 0.3);
}

.file-upload-prizma {
  border: 2px dashed var(--border-light);
  border-radius: 12px;
  padding: 1.8rem;
  text-align: center;
  background: rgba(10, 10, 12, 0.5);
  cursor: pointer;
  transition: var(--tr-fast);
}

.file-upload-prizma:hover {
  border-color: var(--amber-primary);
  background: rgba(230, 138, 0, 0.05);
}

/* RESPONSIVE LAYOUT */
@media (max-width: 1024px) {
  .hero-title-prizma {
    font-size: 3rem;
  }
  .calc-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links-prizma {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(10, 10, 12, 0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: left 0.3s ease;
  }
  .nav-links-prizma.active {
    left: 0;
  }
  .mobile-toggle {
    display: block !important;
  }
  .hero-title-prizma {
    font-size: 2.2rem;
  }
}