* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: #080a0c;
  color: #f0f0f0;
  font-family: 'Montserrat', sans-serif;
  overflow-x: hidden;
}

/* Typography Fonts */
h1, h2, h3, .brand-logo, .badge {
  font-family: 'Cinzel', serif;
}

/* Glassmorphism Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 60px;
  background: rgba(8, 10, 12, 0.85);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo-symbol {
  font-size: 1.1rem;
  letter-spacing: 3px;
  color: #ffffff;
  font-weight: 700;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 35px;
}

.nav-links a {
  color: #aaa;
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 2px;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #d4af37;
}

.nav-btn {
  padding: 10px 20px;
  border: 1px solid rgba(212, 175, 55, 0.6);
  color: #d4af37;
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 2px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-btn:hover {
  background: #d4af37;
  color: #000;
}

/* Hero Scroll Area & Canvas Setup */
#scroll-container {
  height: 600vh;
  position: relative;
}

#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 1;
  /* Aerial View Cover Fallback Background */
  background: url('web_image/hero-cover.jpg') center/cover no-repeat;
}

/* Overlay Card Style (Floating Bottom-Left) */
.hero-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10;
  pointer-events: none;
  display: flex;
  align-items: flex-end;
  padding: 60px 8%;
}

.text-card {
  position: absolute;
  bottom: 60px;
  left: 6%;
  max-width: 460px;
  background: rgba(12, 15, 18, 0.88);
  backdrop-filter: blur(15px);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: auto;
}

.text-card.active {
  opacity: 1;
  transform: translateY(0);
}

.badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: #d4af37;
  margin-bottom: 12px;
}

.text-card h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  color: #fff;
  font-weight: 400;
  margin-bottom: 15px;
}

.text-card p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: #aaa;
  margin-bottom: 20px;
}

.card-features {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 15px;
}

.card-features div {
  display: flex;
  flex-direction: column;
}

.card-features strong {
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: #666;
}

.card-features span {
  font-size: 0.8rem;
  color: #d4af37;
  font-weight: 600;
  margin-top: 4px;
}

/* Process Showcase Section */
.process-section {
  position: relative;
  z-index: 20;
  background-color: #0b0e11;
  padding: 120px 8%;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.sub-title {
  color: #d4af37;
  font-size: 0.75rem;
  letter-spacing: 3px;
}

.section-header h2 {
  font-size: 2.6rem;
  color: #fff;
  margin-top: 10px;
}

.section-header p {
  color: #888;
  max-width: 600px;
  margin: 15px auto 0 auto;
  font-size: 0.9rem;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.grid-item {
  background: #12161a;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.grid-item h3 {
  font-size: 1.1rem;
  color: #d4af37;
  margin-bottom: 10px;
}

.grid-item p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.6;
}