/* ==========================================================================
   TKC HOSPITALITY GROUP - EDITORIAL AESTHETIC STYLESHEET
   Refined High-Contrast Luxury Dark Theme, Serif Typography, Gold Accents
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & SYSTEM DEFAULTS
   -------------------------------------------------------------------------- */
:root {
  /* Editorial Color Palette */
  --bg-dark: #0F0F0F;
  --bg-dark-alt: #141414;
  --bg-dark-footer: #0A0A0A;
  --bg-card: rgba(20, 20, 20, 0.75);
  --bg-card-hover: rgba(28, 28, 28, 0.85);
  --bg-glass-nav: rgba(15, 15, 15, 0.92);
  
  /* Editorial Gold Accents */
  --gold-primary: #C5A059;
  --gold-light: #E2C889;
  --gold-dark: #8C6D32;
  --gold-gradient: linear-gradient(135deg, #E2C889 0%, #C5A059 50%, #8C6D32 100%);
  --gold-glow: rgba(197, 160, 89, 0.18);
  --gold-border: rgba(197, 160, 89, 0.35);

  /* Typography Colors */
  --text-main: #F5F5F5;
  --text-muted: rgba(245, 245, 245, 0.65);
  --text-subtle: rgba(245, 245, 245, 0.4);

  /* UI Borders & Lines */
  --border-light: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --border-active: rgba(197, 160, 89, 0.5);

  /* Fonts */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Layout & Transitions */
  --max-width: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-editorial: 0 20px 40px -15px rgba(0, 0, 0, 0.8), 0 0 25px rgba(197, 160, 89, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: linear-gradient(135deg, #141414 0%, #0F0F0F 50%, #0A0A0A 100%);
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0A0A0A;
}
::-webkit-scrollbar-thumb {
  background: #262626;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-primary);
}

/* Typography Hierarchy */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
}

h2 {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
}

p {
  color: var(--text-muted);
  font-size: 1.02rem;
  font-weight: 400;
}

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

/* Focus States for Accessibility */
:focus-visible {
  outline: 2px solid var(--gold-primary);
  outline-offset: 4px;
}

/* --------------------------------------------------------------------------
   2. REUSABLE UTILITIES & GLASSMORPHISM
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 7rem 0;
  border-bottom: 1px solid var(--border-light);
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4.5rem 0;
  }
}

.text-gold {
  color: var(--gold-primary);
  display: inline-block;
  font-style: italic;
}

.text-center {
  text-anchor: middle;
  text-align: center;
}

/* Editorial Glassmorphic Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 2.25rem;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-editorial);
}

.glass-card-gold {
  border: 1px solid var(--gold-border);
  position: relative;
  overflow: hidden;
}

.glass-card-gold::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gold-gradient);
  opacity: 0.85;
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4rem auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--gold-primary);
  margin-bottom: 1rem;
  padding: 0.25rem 0.85rem;
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid rgba(197, 160, 89, 0.25);
  border-radius: var(--radius-sm);
}

.section-title {
  margin-bottom: 1.25rem;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Note Badges for Unprovided Content */
.badge-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--gold-light);
  background: rgba(197, 160, 89, 0.06);
  border: 1px dashed rgba(197, 160, 89, 0.3);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-top: 1.25rem;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   3. NAVIGATION HEADER
   -------------------------------------------------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-smooth), padding var(--transition-smooth), box-shadow var(--transition-smooth);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-light);
}

.header.scrolled {
  background: var(--bg-glass-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background: var(--gold-primary);
  transition: width var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-toggle svg {
  width: 26px;
  height: 26px;
  stroke: var(--text-main);
  transition: stroke var(--transition-fast);
}

/* --------------------------------------------------------------------------
   4. BUTTONS & INTERACTIVE CONTROLS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary-gold {
  background: var(--gold-primary);
  color: #0A0A0A;
  box-shadow: 0 4px 20px var(--gold-glow);
}

.btn-primary-gold:hover {
  background: var(--gold-light);
  color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(197, 160, 89, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-primary);
  color: var(--gold-light);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 9rem;
  padding-bottom: 6rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-bg-glow {
  position: absolute;
  top: 30%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(197, 160, 89, 0.12) 0%, rgba(15, 15, 15, 0) 70%);
  filter: blur(100px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4.5rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-title {
  margin-bottom: 1.75rem;
  line-height: 0.95;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 580px;
  border-left: 2px solid var(--gold-primary);
  padding-left: 1.25rem;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.highlight-item {
  display: flex;
  flex-direction: column;
}

.highlight-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.highlight-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
}

.hero-media {
  position: relative;
  z-index: 2;
}

.placeholder-container {
  position: relative;
  width: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-editorial);
  border: 1px solid var(--border-light);
  background: var(--bg-card);
}

.placeholder-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   6. ABOUT SECTION
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.25rem;
}

.about-feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  padding: 1.75rem;
  border-radius: var(--radius-sm);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(197, 160, 89, 0.1);
  border: 1px solid rgba(197, 160, 89, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   7. SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-light);
}

.service-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid rgba(197, 160, 89, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.65rem;
  margin-bottom: 0.85rem;
}

.service-desc {
  flex-grow: 1;
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

/* --------------------------------------------------------------------------
   8. INDUSTRIES SECTION
   -------------------------------------------------------------------------- */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.75rem;
}

.industry-card {
  padding: 2.25rem 1.75rem;
  text-align: center;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  transition: all var(--transition-smooth);
}

.industry-card:hover {
  border-color: var(--gold-border);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.industry-img-container {
  position: relative;
  width: 100%;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
  border: 1px solid var(--border-light);
}

.industry-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.industry-card:hover .industry-img {
  transform: scale(1.05);
}

.industry-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 1.25rem auto;
  color: var(--gold-primary);
}

/* --------------------------------------------------------------------------
   9. WHY CHOOSE US SECTION
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.why-card {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
}

.why-number {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--gold-primary);
  line-height: 1;
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   10. CONTACT SECTION
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2.25rem;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(197, 160, 89, 0.08);
  border: 1px solid rgba(197, 160, 89, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-primary);
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.78rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.25rem;
}

.contact-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
}

.contact-val a:hover {
  color: var(--gold-light);
}

/* Form Controls */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.95rem 1.25rem;
  background: #141414;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--gold-primary);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

/* Alert Notification Banner */
.alert-box {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
}

.alert-box.success {
  display: block;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.alert-box.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* --------------------------------------------------------------------------
   11. LEGAL STANDALONE VIEW / MODAL (Privacy & Terms)
   -------------------------------------------------------------------------- */
.legal-page {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-dark);
  z-index: 2000;
  overflow-y: auto;
  padding: 6rem 1.5rem;
}

.legal-page.active {
  display: block;
  animation: fadeIn var(--transition-smooth);
}

.legal-content-container {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.close-legal-btn {
  position: absolute;
  top: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

.close-legal-btn:hover {
  background: var(--gold-primary);
  color: #0A0A0A;
}

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

/* --------------------------------------------------------------------------
   12. FOOTER
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-dark-footer);
  border-top: 1px solid var(--border-light);
  padding: 5rem 0 2.5rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  max-width: 360px;
}

.footer-title {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.footer-link:hover {
  color: var(--gold-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
}

/* --------------------------------------------------------------------------
   13. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: #0A0A0A;
    border-left: 1px solid var(--border-light);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    transition: right var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.9);
    z-index: 999;
  }

  .nav-links.mobile-open {
    right: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}