/* =========================================
   Nine & Shine — Design System & Styles
   ========================================= */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-bg: #0a0a0a;
  --color-bg-elevated: #111111;
  --color-bg-card: #161616;
  --color-bg-card-hover: #1a1a1a;
  
  --color-gold: #c8a55c;
  --color-gold-light: #e4c98a;
  --color-gold-dark: #a07d3a;
  --color-gold-glow: rgba(200, 165, 92, 0.15);
  
  --color-text-primary: #f5f0e8;
  --color-text-secondary: #a09a8e;
  --color-text-muted: #6b6560;
  
  --color-border: rgba(200, 165, 92, 0.12);
  --color-border-hover: rgba(200, 165, 92, 0.3);
  
  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(200, 165, 92, 0.1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  text-align: center;
}

.preloader-ring {
  width: 50px;
  height: 50px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  margin: 0 auto var(--space-sm);
  animation: spin 1s linear infinite;
}

.preloader-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  z-index: 100;
  transition: var(--transition-smooth);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.3em;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
}

.logo-nine {
  color: var(--color-text-primary);
}

.logo-ampersand {
  color: var(--color-gold);
  font-style: italic;
  font-weight: 300;
}

.logo-shine {
  color: var(--color-gold-light);
}

.nav-tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('/images/hero-spa.png') center/cover no-repeat;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 10, 10, 0.88) 0%,
    rgba(10, 10, 10, 0.75) 40%,
    rgba(10, 10, 10, 0.85) 100%
  );
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-gold-glow);
  border: 1px solid var(--color-border);
  padding: 0.4rem 1rem;
  border-radius: 30px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.8s ease forwards;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--color-gold);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: var(--space-md);
}

.title-line {
  display: block;
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.title-line-1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-text-primary);
  animation-delay: 0.2s;
}

.title-line-2 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation-delay: 0.4s;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
  font-weight: 300;
  animation: fadeInUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

.launch-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, rgba(200, 165, 92, 0.1), rgba(200, 165, 92, 0.05));
  border: 1px solid var(--color-gold);
  padding: 0.7rem 1.8rem;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease 0.8s forwards, glow 3s ease-in-out infinite;
  opacity: 0;
}

.launch-icon {
  display: flex;
  color: var(--color-gold-light);
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(200, 165, 92, 0.1); }
  50% { box-shadow: 0 0 30px rgba(200, 165, 92, 0.25); }
}

/* Subscribe Form */
.subscribe-section {
  animation: fadeInUp 0.8s ease 1s forwards;
  opacity: 0;
}

.subscribe-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.05em;
}

.subscribe-form {
  max-width: 440px;
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 5px;
  transition: var(--transition-fast);
}

.input-wrapper:focus-within {
  border-color: var(--color-gold);
  box-shadow: 0 0 20px rgba(200, 165, 92, 0.1);
}

.input-wrapper input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 0.8rem 1.2rem;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
}

.input-wrapper input::placeholder {
  color: var(--color-text-muted);
}

.btn-subscribe {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  color: #0a0a0a;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-subscribe:hover {
  transform: translateX(2px);
  box-shadow: 0 4px 15px rgba(200, 165, 92, 0.3);
}

.btn-arrow {
  transition: var(--transition-fast);
}

.btn-subscribe:hover .btn-arrow {
  transform: translateX(3px);
}

.form-message {
  margin-top: var(--space-xs);
  font-size: 0.8rem;
  min-height: 1.2rem;
}

.form-message.success {
  color: #7dcea0;
}

.form-message.error {
  color: #e74c3c;
}

/* Hero Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeInUp 1s ease 1.2s forwards;
  opacity: 0;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.6); opacity: 0.5; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Services Section --- */
.services {
  padding: var(--space-3xl) 0;
  background: var(--color-bg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
  position: relative;
}

.section-label::before,
.section-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.4;
}

.section-label::before { right: calc(100% + 12px); }
.section-label::after { left: calc(100% + 12px); }

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 550px;
  margin: 0 auto;
  font-weight: 300;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.service-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.service-image-wrapper {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.service-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.service-card:hover .service-image-wrapper img {
  transform: scale(1.05);
}

.service-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--color-bg-card) 0%, transparent 50%);
}

.service-content {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-gold-glow);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.service-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
  font-weight: 300;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.service-list li {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 4px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
}

/* --- Why Us Section --- */
.why-us {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-elevated);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.feature-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  background: rgba(200, 165, 92, 0.03);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-number {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-gold);
  opacity: 0.4;
  margin-bottom: var(--space-sm);
  font-weight: 300;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.feature-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  font-weight: 300;
}

/* --- CTA Section --- */
.cta {
  position: relative;
  padding: var(--space-3xl) 0;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(200, 165, 92, 0.08) 0%, transparent 70%);
}

.cta-content {
  position: relative;
  text-align: center;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.cta-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto var(--space-lg);
  font-weight: 300;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
  padding: 1rem 2.5rem;
  border-radius: 50px;
  color: #0a0a0a;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: var(--transition-smooth);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(200, 165, 92, 0.3);
}

.btn-cta svg {
  transition: var(--transition-fast);
}

.btn-cta:hover svg {
  transform: translateX(4px);
}

/* --- Footer --- */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.footer-logo {
  font-size: 1.3rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}

.social-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
  text-align: right;
}

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-secondary);
  transition: var(--transition-fast);
}

.social-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: var(--color-gold-glow);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .header {
    padding: var(--space-sm) var(--space-md);
  }
  
  .nav-tagline {
    display: none;
  }
  
  .hero-content {
    padding: var(--space-2xl) var(--space-sm);
  }
  
  .input-wrapper {
    flex-direction: column;
    border-radius: var(--radius-lg);
    gap: 0;
  }
  
  .input-wrapper input {
    width: 100%;
    text-align: center;
    padding: 1rem;
  }
  
  .btn-subscribe {
    width: 100%;
    justify-content: center;
    padding: 0.9rem;
    border-radius: 0 0 12px 12px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .service-list {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .social-label {
    text-align: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-badge {
    font-size: 0.7rem;
  }
  
  .launch-badge {
    font-size: 0.75rem;
    padding: 0.6rem 1.3rem;
  }
  
  .service-image-wrapper {
    height: 200px;
  }
}

/* --- Scroll Reveal Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Floating particles */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 0.6; }
  50% { opacity: 0.3; transform: translateY(-100px) scale(1); }
  90% { opacity: 0; }
  100% { transform: translateY(-200px) scale(0); }
}