/* ==========================================================================
   BUMIGAS - Enterprise Design System (style.css)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette */
  --color-primary: #0057B8;
  --color-secondary: #0B3C8C;
  --color-accent: #7AC143;
  --color-light-blue: #EAF5FF;
  --color-bg: #FFFFFF;
  --color-dark-text: #1B2B41;
  --color-light-gray: #F7F9FC;
  --color-border: #DCE5F2;
  --color-success: #32B768;
  
  /* RGB values for overlays and semi-transparency */
  --color-primary-rgb: 0, 87, 184;
  --color-secondary-rgb: 11, 60, 140;
  --color-accent-rgb: 122, 193, 67;
  --color-dark-text-rgb: 27, 43, 65;
  
  /* Typography */
  --font-headings: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(27, 43, 65, 0.04);
  --shadow-md: 0 8px 24px rgba(27, 43, 65, 0.06);
  --shadow-lg: 0 16px 48px rgba(27, 43, 65, 0.1);
  --shadow-glass: 0 8px 32px 0 rgba(11, 60, 140, 0.08);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-dark-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-secondary);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

/* Sub-heading accent underline */
h2.with-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
}

h2.with-underline-center {
  text-align: center;
  display: block;
}

h2.with-underline-center::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -8px;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  color: #4E5E73;
  margin-bottom: 1.25rem;
  font-size: 1rem;
  text-align: justify;
}

p, .section-padding p, .about-hero-desc, .sustainability-content p, .glass-card-dark p, .feature-card p, .card p {
  text-align: justify;
}

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

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

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

ul {
  list-style: none;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-padding {
  padding: 6.5rem 0;
}

.bg-light {
  background-color: var(--color-light-gray);
}

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

.bg-dark h2, .bg-dark h3 {
  color: var(--color-bg);
}

.bg-dark p {
  color: #CBD6E2;
}

/* Glassmorphism Classes */
.glass-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-glass);
}

.glass-card-dark {
  background: rgba(11, 60, 140, 0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glass);
  color: var(--color-bg);
}

/* Hover Lift Effect */
.hover-lift {
  transition: var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delay classes for lists/grids */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-light-gray);
}

::-webkit-scrollbar-thumb {
  background: #B3C1D1;
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Responsive Font Sizes */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  .section-padding { padding: 5rem 0; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  .section-padding { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
}

@media (max-width: 480px) {
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
  }
  .container {
    padding: 0 1rem !important;
  }
  h1 { font-size: 1.85rem !important; }
  h2 { font-size: 1.5rem !important; }
}