/* ==========================================================================
   KARINA GROUP CORPORATE PORTAL - CORE DESIGN SYSTEM & STYLES
   Brand: Karina Group (Development and Investment)
   Palette: Corporate Deep Blue, Vibrant Sky Blue, Warm Gold Accent
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Brand Color Tokens */
  --color-primary: #0E3B6E;
  --color-primary-dark: #082244;
  --color-primary-light: #164e8d;
  --color-accent: #1E88E5;
  --color-accent-cyan: #38BDF8;
  --color-accent-cyan-light: #E0F2FE;
  --color-gold: #C6A856;
  --color-gold-light: #FBF6E9;
  --color-gold-dark: #9E8238;

  /* Neutral Surface & Background Tokens */
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F1F5F9;
  --bg-dark: #0A192F;
  --bg-dark-surface: #0E2442;
  --bg-dark-card: rgba(14, 36, 66, 0.7);

  /* Typography Colors */
  --text-dark: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-light: #F8FAFC;
  --text-white-muted: #94A3B8;

  /* Status Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;

  /* Typography Fonts */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;

  /* Shadows */
  --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 -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(14, 59, 110, 0.12), 0 4px 6px -4px rgba(14, 59, 110, 0.07);
  --shadow-xl: 0 20px 35px -5px rgba(14, 59, 110, 0.18), 0 8px 10px -6px rgba(14, 59, 110, 0.1);
  --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.35);
  --shadow-gold-glow: 0 0 20px rgba(198, 168, 86, 0.3);

  /* Borders & Radius */
  --border-color: #E2E8F0;
  --border-dark: rgba(255, 255, 255, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem); }
h2 { font-size: clamp(1.75rem, 2.5vw + 0.8rem, 2.5rem); }
h3 { font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

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

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

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font: inherit;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Layout Containers & Grid Utilities
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-fluid {
  width: 100%;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  position: relative;
}

.section-sm {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--text-light);
}

.section-alt {
  background-color: var(--bg-surface-alt);
}

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.95rem;
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  background: rgba(30, 136, 229, 0.12);
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.badge-tag.badge-gold {
  background: rgba(198, 168, 86, 0.15);
  color: var(--color-gold-dark);
}

.badge-tag.badge-dark {
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.section-title {
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.section-dark .section-desc {
  color: var(--text-white-muted);
}

/* Grid helper utilities */
.grid {
  display: grid;
  gap: 1.75rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 1024px) {
  .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .section { padding-top: 3.5rem; padding-bottom: 3.5rem; }
}

/* ==========================================================================
   Button System
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  line-height: 1;
  white-space: nowrap;
}

.btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(14, 59, 110, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #2563EB 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(14, 59, 110, 0.4);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--color-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

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

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #1EBE5D;
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-gold) 0%, #D4B665 100%);
  color: #1E293B;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(198, 168, 86, 0.35);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #D4B665 0%, #E2C778 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(198, 168, 86, 0.45);
}

.btn-outline-white {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* ==========================================================================
   Cards & Glassmorphism Surfaces
   ========================================================================== */
.card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(30, 136, 229, 0.25);
}

.glass-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-lg);
}

.dark-glass-card {
  background: rgba(14, 36, 66, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-lg);
  color: var(--text-light);
}

.dark-glass-card:hover {
  border-color: rgba(56, 189, 248, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 15px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 0 30px rgba(37, 211, 102, 0.8); }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
  animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}