/* ===============================================
   AKM MUSIC - MASTER DESIGN SYSTEM
   Universal stylesheet for complete consistency
   Version: 2.0 - Simplified & Clean
   =============================================== */

/* ===============================================
   1. CSS VARIABLES - SINGLE SOURCE OF TRUTH
   =============================================== */

:root {
  /* --- PRIMARY COLORS --- */
  --color-primary: #2563eb;        /* Royal Blue */
  --color-primary-dark: #1e40af;   /* Darker Blue */
  --color-primary-light: #3b82f6;  /* Lighter Blue */
  --color-primary-lighter: #60a5fa; /* Very Light Blue */
  
  /* --- ACCENT COLORS --- */
  --color-accent: #dc2626;         /* Red Accent */
  --color-accent-dark: #b91c1c;    /* Darker Red */
  --color-success: #10b981;        /* Green */
  --color-warning: #f59e0b;        /* Orange/Amber */
  
  /* --- NEUTRAL COLORS --- */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  /* --- BACKGROUND COLORS --- */
  --bg-body: #ffffff;
  --bg-section-light: #f9fafb;
  --bg-section-dark: #f3f4f6;
  --bg-card: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.5);
  
  /* --- TEXT COLORS --- */
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --text-on-primary: #ffffff;
  
  /* --- BORDER & SHADOW --- */
  --border-color: #e5e7eb;
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* --- SPACING SCALE --- */
  --space-xs: 0.5rem;    /* 8px */
  --space-sm: 0.75rem;   /* 12px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */
  --space-4xl: 6rem;     /* 96px */
  
  /* --- TYPOGRAPHY --- */
  --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  --font-weight-black: 900;
  
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* --- LAYOUT --- */
  --max-width-sm: 640px;
  --max-width-md: 768px;
  --max-width-lg: 1024px;
  --max-width-xl: 1280px;
  --max-width-2xl: 1536px;
  --max-width-content: 1200px;
  
  --header-height: 80px;
  
  /* --- TRANSITIONS --- */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
  
  /* --- Z-INDEX SCALE --- */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --font-size-5xl: 2.25rem;  /* 36px */
    --font-size-6xl: 2.75rem;  /* 44px */
  }
}

/* ===============================================
   2. RESET & BASE STYLES
   =============================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-height);
  overflow-x: hidden;
}

/* ===============================================
   3. TYPOGRAPHY
   =============================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-black);
}

h2 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
}

h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

h4 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

h5 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

h6 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
}

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

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

strong, b {
  font-weight: var(--font-weight-bold);
}

small {
  font-size: var(--font-size-sm);
}

/* ===============================================
   4. LAYOUT UTILITIES
   =============================================== */

.container {
  width: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

.section-lg {
  padding: var(--space-4xl) 0;
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }
  .section-sm {
    padding: var(--space-2xl) 0;
  }
}

/* ===============================================
   5. HEADER STYLES
   =============================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Logo & Brand */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
}

.logo {
  height: 50px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.main-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  line-height: 1.2;
}

.sub-title {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.2;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav a {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  transition: color var(--transition-fast);
  position: relative;
}

/* Simplify: ensure links never look like pills/buttons */
.nav a,
.nav .nav-link { padding: 0; background: transparent; border-radius: 0; box-shadow: none; }
/* Kill any decorative ::before from legacy styles */
.nav a::before,
.nav .nav-link::before { content: none !important; display: none !important; }

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

.nav a.active { color: var(--color-primary); }

.nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
}

/* Simplified global nav link baseline to prevent pill styles */
.nav a,
.nav .nav-link {
  padding: 0;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

.nav a.active,
.nav .nav-link.active {
  background: transparent;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
  cursor: pointer;
  padding: var(--space-xs);
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    gap: var(--space-md);
  }
  
  .nav.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav a.active::after {
    display: none;
  }
}

/* ===============================================
   6. BUTTON STYLES
   =============================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Secondary Button */
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--text-on-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Accent Button */
.btn-accent {
  background: var(--color-accent);
  color: var(--text-on-primary);
  border-color: var (--color-accent);
}

.btn-accent:hover:not(:disabled) {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-lg);
}

/* ===============================================
   7. CARD STYLES
   =============================================== */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.card-header {
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.card-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-muted);
}

.card-body {
  margin-bottom: var(--space-lg);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* ===============================================
   8. HERO SECTION
   =============================================== */

.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-on-primary);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: var(--space-2xl);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-black);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-white);
  opacity: 0.9;
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-relaxed);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* Ensure home hero text is centered on all viewports */
.hero-modern .hero-text {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}
.hero-modern .hero-actions {
  justify-content: center;
}

@media (max-width: 768px) {
  .hero {
    min-height: 500px;
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-lg);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* ===============================================
   9. GRID SYSTEM
   =============================================== */

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

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

@media (max-width: 768px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { 
    grid-template-columns: repeat(1, 1fr); 
  }
}

/* ===============================================
   10. FOOTER STYLES
   =============================================== */

.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--space-3xl) 0 var(--space-xl) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-section h4 {
  color: var(--color-white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.footer-section a {
  color: var(--color-gray-400);
  display: block;
  margin-bottom: var(--space-xs);
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-gray-800);
  text-align: center;
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
}

.footer-social-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.footer-social-row .footer-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-800);
  color: var(--color-white);
  transition: all var(--transition-fast);
}
.footer-social-row .footer-icon:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }

.footer-bottom .footer-copy { color: var(--color-gray-500); }
.footer-bottom .container { display: flex; flex-direction: column; gap: var(--space-sm); }

@media (min-width: 768px) {
  .footer-bottom .container { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ===============================================
   11. UTILITY CLASSES
   =============================================== */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--color-white); }

/* Background Colors */
.bg-primary { background-color: var(--color-primary); }
.bg-accent { background-color: var(--color-accent); }
.bg-light { background-color: var(--bg-section-light); }
.bg-white { background-color: var(--color-white); }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Flexbox Utilities */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-lg); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Border Radius */
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-full { border-radius: 9999px; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Width & Height */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===============================================
   12. ANIMATIONS
   =============================================== */

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

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

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-fadeIn { animation: fadeIn 0.5s ease-in-out; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease-out; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease-out; }
.animate-slideInLeft { animation: slideInLeft 0.6s ease-out; }
.animate-slideInRight { animation: slideInRight 0.6s ease-out; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }

/* ===============================================
   13. RESPONSIVE IMAGES
   =============================================== */

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

/* ===============================================
   14. PRINT STYLES
   =============================================== */

@media print {
  .site-header,
  .site-footer,
  .btn,
  .nav {
    display: none;
  }
  
  body {
    padding-top: 0;
  }
  
  * {
    box-shadow: none !important;
  }
}