/*
  QuettaData - Elegant Light Theme
  
  A refined, sophisticated light aesthetic with warm undertones,
  premium typography, and subtle micro-interactions.
*/

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
  /* Primary Colors */
  --color-bg-primary: #FDFCFB;
  --color-bg-secondary: #F8F6F3;
  --color-bg-tertiary: #F0EDE8;
  
  /* Text Colors */
  --color-text-primary: #1A1A2E;
  --color-text-secondary: #4A4A5A;
  --color-text-muted: #7A7A8A;
  
  /* Accent Colors */
  --color-accent: #6366F1;
  --color-accent-hover: #4F46E5;
  --color-accent-light: rgba(99, 102, 241, 0.1);
  
  /* Warm Gold Accent */
  --color-gold: #C9A227;
  --color-gold-light: rgba(201, 162, 39, 0.1);
  
  /* Borders & Shadows */
  --color-border: rgba(26, 26, 46, 0.08);
  --color-border-hover: rgba(26, 26, 46, 0.15);
  --shadow-sm: 0 1px 2px rgba(26, 26, 46, 0.04);
  --shadow-md: 0 4px 12px rgba(26, 26, 46, 0.06);
  --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.1);
  --shadow-xl: 0 24px 60px rgba(26, 26, 46, 0.12);
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--space-sm);
  position: relative;
}

h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  margin-top: var(--space-sm);
  border-radius: var(--radius-full);
}

p {
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 65ch;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

/* ============================================
   Header & Navigation
   ============================================ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: var(--space-sm) var(--space-lg);
  background: rgba(253, 252, 251, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

header:hover {
  background: rgba(253, 252, 251, 0.98);
}

header .logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.05em;
  position: relative;
}

header .logo::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

header .logo:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}

nav ul {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

nav a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

nav a:hover {
  color: var(--color-text-primary);
}

nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* ============================================
   Hero Sections
   ============================================ */
.hero {
  min-height: 85vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-lg);
  padding-top: 140px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(253, 252, 251, 0.92) 0%,
    rgba(248, 246, 243, 0.88) 50%,
    rgba(240, 237, 232, 0.85) 100%
  );
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, var(--color-bg-primary), transparent);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content h1 {
  color: var(--color-text-primary);
  text-shadow: none;
  margin-bottom: var(--space-md);
}

.hero-content p {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0 auto var(--space-md);
  max-width: 700px;
}

/* ============================================
   Section Layout
   ============================================ */
.section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) var(--space-lg);
  gap: var(--space-xl);
  background-color: var(--color-bg-primary);
  position: relative;
}

.section:nth-child(even) {
  background-color: var(--color-bg-secondary);
}

.section:nth-child(even)::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  max-width: 1200px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}

/* Image Container */
.image-container {
  flex: 1 1 300px;
  text-align: center;
  animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.image-container img {
  width: 85%;
  max-width: 380px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  filter: saturate(1.05) contrast(1.02);
}

.image-container img:hover {
  transform: scale(1.03) translateY(-5px);
  box-shadow: var(--shadow-xl);
}

/* Text Container */
.text-container {
  flex: 1 1 400px;
  max-width: 600px;
}

.text-container h2::after {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

/* ============================================
   Lists
   ============================================ */
.list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.list li {
  padding: var(--space-sm) 0;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: var(--space-md);
  transition: all var(--transition-fast);
}

.list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.list li:hover {
  color: var(--color-text-primary);
  padding-left: calc(var(--space-md) + 4px);
}

.list li:hover::before {
  transform: translateY(-50%) scale(1.3);
}

.list li:last-child {
  border-bottom: none;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-secondary);
}

.contact-info {
  flex: 1 1 300px;
  max-width: 400px;
}

.contact-info h2::after {
  margin-bottom: var(--space-md);
}

.contact-info p,
.contact-info a {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.contact-info a {
  color: var(--color-accent);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.contact-info a:hover {
  color: var(--color-accent-hover);
  transform: translateX(4px);
  display: inline-block;
}

/* Contact Form */
.contact-form-container {
  flex: 1 1 400px;
  max-width: 550px;
  background: var(--color-bg-primary);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.row {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.row input {
  flex: 1 1 200px;
}

input,
textarea {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  width: 100%;
  transition: all var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-bg-primary);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

textarea {
  resize: vertical;
  min-height: 140px;
}

button {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  color: #ffffff;
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  width: fit-content;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  filter: brightness(1.05);
}

button:active {
  transform: translateY(0);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: var(--space-lg) var(--space-lg);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background: var(--color-bg-tertiary);
  border-top: 1px solid var(--color-border);
}

.footer a {
  color: var(--color-accent);
  margin-left: var(--space-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
  }
  
  header {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-sm);
    gap: var(--space-xs);
  }
  
  nav ul {
    gap: var(--space-sm);
    flex-wrap: wrap;
  }
  
  nav a {
    font-size: 0.75rem;
  }
  
  .hero {
    min-height: 70vh;
    padding-top: 160px;
  }
  
  .section {
    padding: var(--space-xl) var(--space-sm);
    gap: var(--space-lg);
  }
  
  .image-container img {
    width: 70%;
    max-width: 280px;
  }
  
  .contact-section {
    padding: var(--space-xl) var(--space-sm);
  }
  
  .contact-form-container {
    padding: var(--space-md);
  }
  
  h2::after {
    width: 40px;
  }
}

@media (max-width: 480px) {
  .row {
    flex-direction: column;
  }
  
  nav ul {
    gap: var(--space-xs);
  }
  
  .hero-content p {
    font-size: 1rem;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  header {
    position: static;
    background: transparent;
  }
  
  .hero::before,
  .hero::after {
    display: none;
  }
  
  .section {
    page-break-inside: avoid;
  }
}