/* ===================================
   Modern Professional DBS Website Styles
   with Animations & Beautiful Colors
   =================================== */

/* ===== CSS Variables for Easy Customization ===== */
:root {
  /* Primary Color Palette - Professional Blue & Orange Accents */
  --primary-blue: #0A4D8C;
  --primary-blue-light: #1565C0;
  --primary-blue-dark: #083a6a;
  --accent-orange: #FF6F3C;
  --accent-orange-light: #FF8C61;
  --accent-gold: #FFA726;
  
  /* Neutral Colors */
  --dark: #1A1A2E;
  --dark-grey: #2D3748;
  --medium-grey: #4A5568;
  --light-grey: #E2E8F0;
  --white: #FFFFFF;
  --off-white: #F7FAFC;
  
  /* Gradient Backgrounds */
  --gradient-primary: linear-gradient(135deg, #0A4D8C 0%, #1565C0 100%);
  --gradient-accent: linear-gradient(135deg, #FF6F3C 0%, #FFA726 100%);
  --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #2D3748 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(10, 77, 140, 0.95) 0%, rgba(21, 101, 192, 0.9) 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 20px rgba(255, 111, 60, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background-color: var(--off-white);
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
  color: var(--medium-grey);
  font-size: 1.05rem;
}

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

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

/* ===== Container & Layout ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ===== Skip Link (Accessibility) ===== */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-orange);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  z-index: 100;
}

.skip-link:focus {
  top: 10px;
  left: 10px;
}

/* ===== Header & Navigation ===== */
.site-header {
  background: var(--white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  animation: slideDown 0.5s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem var(--spacing-md);
  min-height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary-blue);
  transition: var(--transition-normal);
}

.logo:hover {
  transform: scale(1.02);
}

#company-logo {
  height: 50px;
  width: auto;
  transition: var(--transition-normal);
}

.logo:hover #company-logo {
  filter: drop-shadow(0 4px 8px rgba(10, 77, 140, 0.3));
}

.company-name {
  max-width: 200px;
  line-height: 1.2;
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.main-nav a {
  font-weight: 500;
  color: var(--dark-grey);
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition-normal);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition-normal);
}

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

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

/* Mobile Navigation Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.nav-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 3px;
  transition: var(--transition-normal);
}

.nav-toggle .bar::before,
.nav-toggle .bar::after {
  content: '';
  display: block;
  width: 25px;
  height: 3px;
  background: var(--primary-blue);
  border-radius: 3px;
  transition: var(--transition-normal);
  position: relative;
}

.nav-toggle .bar::before {
  top: -8px;
}

.nav-toggle .bar::after {
  top: 5px;
}

.nav-toggle[aria-expanded="true"] .bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .bar::before {
  transform: rotate(45deg);
  top: 0;
}

.nav-toggle[aria-expanded="true"] .bar::after {
  transform: rotate(-45deg);
  top: -3px;
}

/* ===== Hero Section ===== */
.hero {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-xl) 0;
  position: relative;
  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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
  animation: backgroundScroll 20s linear infinite;
}

@keyframes backgroundScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(100px);
  }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero .lead {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.95);
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero img {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  animation: fadeInRight 0.8s ease 0.6s both;
  transition: var(--transition-slow);
}

.hero img:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

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

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

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Scroll Animation Classes */
.fade-up {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.fade-in {
  opacity: 0;
  animation: scaleIn 0.8s ease forwards;
}

/* ===== Buttons ===== */
.btn, .cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--gradient-accent);
  color: var(--white);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.btn::before, .cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

.btn:hover, .cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn:active, .cta:active {
  transform: translateY(-1px);
}

/* ===== Cards ===== */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card .icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  display: inline-block;
  animation: float 3s ease-in-out infinite;
}

.card h3 {
  color: var(--primary-blue);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--medium-grey);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

.grid-41 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-md) 0;
}

/* ===== Services Overview ===== */
.services-overview {
  padding: var(--spacing-xl) 0;
  background: var(--off-white);
}

.services-overview h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
  width: 100%;
}

.services-overview h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-accent);
  margin: 1rem auto 0;
  border-radius: 2px;
}

/* ===== About Teaser ===== */
.about-teaser {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: var(--white);
}

.about-teaser h2 {
  margin-bottom: var(--spacing-md);
}

.about-teaser p {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  font-size: 1.1rem;
}

.link {
  color: var(--primary-blue);
  font-weight: 600;
  position: relative;
  padding-bottom: 4px;
}

.link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-fast);
}

.link:hover::after {
  margin-left: 1rem;
}

/* ===== Forms ===== */
.contact-form {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.input-group {
  margin-bottom: var(--spacing-md);
}

.input-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--dark-grey);
}

.input-group input,
.input-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--light-grey);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
  background: var(--off-white);
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.1);
}

.contact-form button[type="submit"] {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: var(--white);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 1.05rem;
}

.contact-form button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== Tables ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

th {
  background: var(--gradient-primary);
  color: var(--white);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--light-grey);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover {
  background: var(--off-white);
}

/* ===== Blockquote ===== */
blockquote {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-md);
  border-left: 5px solid var(--accent-orange);
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
  font-size: 1.15rem;
  font-style: italic;
  box-shadow: var(--shadow-md);
}

/* ===== Lists ===== */
ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  padding: 0.5rem 0 0.5rem 2rem;
  position: relative;
  color: var(--medium-grey);
}

ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent-orange);
  font-weight: bold;
}

main ul li::before {
  content: '▸';
}

/* ===== Footer ===== */
.site-footer {
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-lg);
}

.footer-brand {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.footer-logo {
  height: 60px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-brand strong {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.footer-brand p,
.footer-contact p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

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

.site-footer h4 {
  color: var(--white);
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
}

/* ===== Main Content ===== */
main {
  min-height: 60vh;
  padding: var(--spacing-lg) 0;
}

main h1 {
  margin-bottom: var(--spacing-md);
  position: relative;
  display: inline-block;
}

main h1::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  margin-top: 0.5rem;
  border-radius: 2px;
}

main h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  color: var(--primary-blue);
}

/* ===== Utility Classes ===== */
.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;
}

.hidden {
  display: none !important;
}

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

/* ===== Loading Spinner ===== */
.spinner {
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero img {
    margin: 0 auto;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-brand {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-normal);
    align-items: flex-start;
    gap: 0;
  }
  
  .main-nav.active {
    right: 0;
  }
  
  .main-nav a {
    width: 100%;
    padding: 1rem 0;
    border-bottom: 1px solid var(--light-grey);
  }
  
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-41 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .company-name {
    font-size: 0.9rem;
    max-width: 150px;
  }
  
  #company-logo {
    height: 40px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .cta,
  .btn {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* ===== Accessibility Enhancements ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Focus Styles for Keyboard Navigation ===== */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 3px solid var(--accent-orange);
  outline-offset: 2px;
}

/* ===== Smooth Scrolling Indicators ===== */
html {
  scroll-padding-top: 100px;
}

/* ===== Additional Enhancements ===== */
.form-alert {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
}

.form-alert.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-alert.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* Section Spacing */
section {
  margin: var(--spacing-lg) 0;
}

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