/* Sugár Consulting - Premium Modern Design System */

/* Root CSS Variables - Light Theme Default */
:root {
  /* Colors */
  --color-primary: #2c3e50;
  --color-primary-light: #34495e;
  --color-primary-dark: #1a2530;
  --color-accent: #d4a574;
  --color-accent-light: #e0a800;
  --color-accent-dark: #b88a00;
  --color-coffee: #6f4e37;
  --color-coffee-light: #8b6f47;
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-danger: #e74c3c;

  /* Backgrounds & Text */
  --bg-primary: #ffffff;
  --bg-secondary: #f9f9fb;
  --bg-tertiary: #f3f3f6;
  --text-primary: #1d1d1f;
  --text-secondary: #6f6f77;
  --text-tertiary: #a1a1a6;
  --border-color: #e5e5e7;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.20);

  /* Glass Morphism */
  --gradient-overlay: rgba(255, 255, 255, 0.9);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(229, 229, 231, 0.5);

  /* Typography */
  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-heading: 'Montserrat', 'Trebuchet MS', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-slow: 500ms ease-out;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f1419;
  --bg-secondary: #1a1f2e;
  --bg-tertiary: #252d3d;
  --text-primary: #f5f5f7;
  --text-secondary: #b0b0b3;
  --text-tertiary: #86868b;
  --border-color: #424245;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.7);
  --gradient-overlay: rgba(15, 20, 25, 0.9);
  --glass-bg: rgba(26, 31, 46, 0.8);
  --glass-border: rgba(66, 66, 69, 0.3);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color var(--transition-base);
}

h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

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

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

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.navbar {
  background-color: transparent;
  padding: 1rem 0;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary) !important;
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.navbar-brand:hover {
  color: var(--color-accent) !important;
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: color var(--transition-base);
  position: relative;
}

.nav-link:hover {
  color: var(--color-accent) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover::after {
  width: 100%;
}

/* Language & Theme Toggle Buttons */
.lang-toggle,
[data-theme-toggle] {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition-base);
  margin-left: 0.5rem;
}

.lang-toggle:hover,
[data-theme-toggle]:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--text-primary);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--color-accent);
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.bento-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.bento-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.bento-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Responsive Bento */
@media (max-width: 1024px) {
  .bento-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .bento-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .bento-grid-4, .bento-grid-3, .bento-grid-2 { grid-template-columns: 1fr; }
}

.bento-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.bento-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-base);
}

.bento-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.bento-item:hover::before {
  left: 100%;
}

.bento-item-lg {
  grid-column: span 2;
  grid-row: span 2;
}

@media (max-width: 768px) {
  .bento-item-lg {
    grid-column: span 1;
    grid-row: span 1;
  }
}

/* Cards */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body {
  padding: 1.5rem;
  color: var(--text-secondary);
}

.card-title {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Hero Sections */
.hero {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  padding: 4rem 2rem;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 165, 116, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 600px;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

/* Sections */
section {
  padding: 4rem 2rem;
  background: var(--bg-primary);
  transition: background-color var(--transition-base);
}

section.alternate {
  background: var(--bg-secondary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in {
  animation: fadeInUp 0.6s ease-out;
}

.animate-slide-left {
  animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.6s ease-out;
}

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--color-accent); }
.text-white { color: white; }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-accent { background-color: var(--color-accent); }

.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-lg); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-lg); }
.mb-3 { margin-bottom: var(--space-2xl); }
.my-2 { margin: var(--space-lg) 0; }

.p-1 { padding: var(--space-md); }
.p-2 { padding: var(--space-lg); }
.p-3 { padding: var(--space-2xl); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }
.gap-1 { gap: var(--space-md); }
.gap-2 { gap: var(--space-lg); }

.max-w-full { max-width: 100%; }
.w-full { width: 100%; }
.h-full { height: 100%; }

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

.img-responsive {
  width: 100%;
  height: auto;
}

.object-cover {
  object-fit: cover;
}

.object-contain {
  object-fit: contain;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 3rem 2rem 1rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

footer a {
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

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

footer h6 {
  color: var(--text-primary);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.footer-divider {
  background: var(--border-color);
  height: 1px;
}

/* Form Elements */
input, textarea, select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

input::placeholder {
  color: var(--text-tertiary);
}

/* Carousel & Testimonials */
.carousel-control-prev, .carousel-control-next {
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.carousel-control-prev:hover, .carousel-control-next:hover {
  opacity: 1;
}

.testimonial-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
}

.testimonial-quote {
  font-size: 1.125rem;
  font-style: italic;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
}

/* Loading & Transitions */
html.is-changing {
  opacity: 0.9;
}

/* Print Styles */
@media print {
  header, footer, .no-print {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Visible */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  .card {
    border-width: 2px;
  }

  .btn {
    border: 2px solid currentColor;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}