:root {
  --color-bg-base: #0A0A0A;
  --color-bg-surface: rgba(30, 28, 26, 0.4);
  --color-gold: #C4A08A;
  --color-gold-dim: rgba(196, 160, 138, 0.4);
  --color-text-primary: rgba(255, 255, 255, 0.9);
  --color-text-secondary: rgba(255, 255, 255, 0.6);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Noto Serif SC', serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient Deep Space Background */
.ambient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  background: var(--color-bg-base);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 20s infinite ease-in-out alternate;
}

.glow-1 {
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(196,160,138,0.15) 0%, rgba(10,10,10,0) 70%);
  top: -10%;
  left: -10%;
  animation-delay: 0s;
}

.glow-2 {
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(23,114,180,0.1) 0%, rgba(10,10,10,0) 70%);
  bottom: -20%;
  right: -10%;
  animation-delay: -5s;
}

.glow-3 {
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(97,154,195,0.08) 0%, rgba(10,10,10,0) 70%);
  top: 40%;
  left: 30%;
  animation-delay: -10s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 5%) scale(1.05); }
  100% { transform: translate(-2%, -5%) scale(0.95); }
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  padding: 15px 0;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 2px;
}

.logo-en {
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 4px;
  opacity: 0.7;
  margin-left: 8px;
}

.nav-links a {
  color: var(--color-text-primary);
  text-decoration: none;
  margin-left: 40px;
  font-size: 14px;
  letter-spacing: 1px;
  transition: color 0.3s ease;
  opacity: 0.8;
}

.nav-links a:hover {
  color: var(--color-gold);
  opacity: 1;
}

/* Sections */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 40px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 30px;
  letter-spacing: 4px;
}

.text-gradient {
  background: linear-gradient(135deg, #FFF 0%, var(--color-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 50px;
  line-height: 1.8;
  letter-spacing: 1px;
}

.btn {
  padding: 14px 40px;
  border-radius: 30px;
  font-size: 15px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--color-gold);
  color: #111;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(196, 160, 138, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(196, 160, 138, 0.5);
  background: #d4b5a2;
}

/* Philosophy */
.philosophy {
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--color-gold);
  margin-bottom: 30px;
  letter-spacing: 2px;
}

.section-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Features (Glassmorphism Cards) */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.glass-card {
  background: var(--color-bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  padding: 50px 40px;
  transition: transform 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.glass-card:hover {
  transform: translateY(-10px);
  border-color: var(--color-gold-dim);
  background: rgba(40, 36, 32, 0.5);
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 24px;
}

.feature-title {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.feature-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
}

/* About */
.about .glass-card {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.company-name {
  font-size: 24px;
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--color-gold);
}

.company-desc {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.contact-email {
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--color-text-primary);
}

/* Footer */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 40px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-secondary);
  letter-spacing: 1px;
}

.footer-content p {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--color-gold);
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s cubic-bezier(0.2, 0.8, 0.2, 1), transform 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 40px; }
  .nav-links { display: none; }
  .section { padding: 80px 20px; }
  .nav-container { padding: 0 20px; }
}