:root {
  --color-primary: #1e293b;
  --color-primary-dark: #0f172a;
  --color-primary-light: #334155;
  --color-secondary: #e2e8f0;
  --color-accent: #0ea5e9; /* Light blue suitable for IT */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f5f9;
  --color-text: #334155;
  --color-text-light: #64748b;
  --color-text-inverse: #ffffff;
  --color-border: #cbd5e1;
  --color-success: #10b981;
  --color-error: #ef4444;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-xs: clamp(0.75rem, 0.7vw + 0.5rem, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8vw + 0.5rem, 1rem);
  --text-base: clamp(1rem, 1vw + 0.5rem, 1.125rem);
  --text-lg: clamp(1.125rem, 1.2vw + 0.5rem, 1.25rem);
  --text-xl: clamp(1.25rem, 1.5vw + 0.5rem, 1.5rem);
  --text-2xl: clamp(1.5rem, 2vw + 0.5rem, 2rem);
  --text-3xl: clamp(2rem, 3vw + 0.5rem, 2.5rem);
  --text-4xl: clamp(2.5rem, 4vw + 0.5rem, 3.5rem);

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  --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);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 400ms ease;
  background: linear-gradient(-45deg, #0f172a, #1e293b, #0ea5e9, #0f172a);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body.loaded {
  opacity: 1;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  font-weight: 700;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.skip-nav {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--space-sm) var(--space-md);
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-nav:focus {
  top: 0;
}

/* Utilities */
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.py-xl { padding: 100px 0; }
.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mx-auto { margin-left: auto; margin-right: auto; }

.p-0 { padding: 0 !important; }
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.py-lg { padding: 60px 0; }
.bg-surface { background-color: var(--color-surface); }
.bg-surface-alt { background-color: var(--color-surface-alt); }
.bg-primary { background-color: var(--color-primary-dark); color: white; }
.bg-primary h2, .bg-primary p { color: white; }
.d-none { display: none !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-normal);
  font-size: var(--text-base);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: scale(1.03);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.bg-primary .btn-secondary {
    color: white;
    border-color: white;
}

.btn-secondary::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 0; height: 100%;
  background: var(--color-primary-dark);
  z-index: -1;
  transition: width var(--transition-normal);
}

.bg-primary .btn-secondary::before {
    background: white;
}

.btn-secondary:hover::before {
  width: 100%;
}

.btn-secondary:hover {
  color: white;
}

.bg-primary .btn-secondary:hover {
    color: var(--color-primary-dark);
}

/* Left Floating Glass Navbar */
.site-sidebar {
  position: fixed;
  top: 50%; left: 1rem;
  transform: translateY(-50%);
  height: 90vh;
  width: 250px;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 2rem 1rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

.sidebar-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: white;
  justify-content: center;
  margin-bottom: 2rem;
}

.main-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
  position: relative;
  display: block;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.main-nav a:hover, .main-nav a.active {
  color: white;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Lang Selector */
.lang-selector {
  position: relative;
  width: 100%;
}

.lang-btn {
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  padding: 0.75rem;
  transition: background var(--transition-fast);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lang-dropdown {
  position: absolute;
  bottom: 110%; left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.lang-selector:hover .lang-dropdown,
.lang-selector:focus-within .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown li a {
  display: block;
  padding: 0.75rem;
  color: white;
  text-align: center;
}

.lang-dropdown li a:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Main */
main {
  margin-left: 280px;
  min-height: 100vh;
}

/* Hero */
.hero {
  position: relative;
  padding: 120px 0;
  background: transparent; /* Using body gradient */
  color: white;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top:0; left:0; width:100%; height:100%;
  background-image: radial-gradient(circle at center, rgba(255,255,255,0.05) 0%, transparent 70%);
  background-attachment: fixed;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1, .hero-content p {
  color: white;
}

.hero .badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(14, 165, 233, 0.2);
  color: #38bdf8;
  font-weight: 600;
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-20px) translateX(-50%); }
  60% { transform: translateY(-10px) translateX(-50%); }
}

/* Grids & Cards */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-xl); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }

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

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img-container {
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.card-img-container svg {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-img-container svg {
  transform: scale(1.08);
}

/* Animations */
.reveal-up { opacity: 0; transform: translateY(40px); transition: all 0.8s ease-out; }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.8s ease-out; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.8s ease-out; }
.reveal-scale { opacity: 0; transform: scale(0.85); transition: all 0.8s ease-out; }

.is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-xl) 0 var(--space-md);
  margin-left: 280px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col a { color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: white; }

.contact-info li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-links { display: flex; gap: 15px; }
.social-links a { color: white; opacity: 0.7; }
.social-links a:hover { opacity: 1; transform: scale(1.1); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-legal a { color: rgba(255,255,255,0.7); margin-left: 1rem; }

/* Cookie & Toast */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; width: 100%;
  background: var(--color-surface);
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
  padding: var(--space-md) 0;
  z-index: 9000;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}
.cookie-banner.show { transform: translateY(0); }
.cookie-content { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.cookie-actions { display: flex; gap: 1rem; }

.toast {
  position: fixed;
  bottom: 20px; right: 20px;
  background: var(--color-success);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 10000;
}
.toast.show { transform: translateY(0); opacity: 1; }

.back-to-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 45px; height: 45px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
}
.back-to-top.show { opacity: 1; visibility: visible; }

/* FAQ Accordion */
.accordion { margin-bottom: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.accordion-btn {
  width: 100%; text-align: left; background: var(--color-surface); padding: 1rem;
  border: none; cursor: pointer; font-family: var(--font-heading); font-weight: 600;
  font-size: var(--text-base); display: flex; justify-content: space-between; align-items: center;
}
.accordion-icon { transition: transform var(--transition-normal); }
.accordion.active .accordion-icon { transform: rotate(45deg); }
.accordion-content {
  background: var(--color-surface-alt);
  max-height: 0; overflow: hidden; transition: max-height var(--transition-normal);
}
.accordion-content-inner { padding: 1rem; }

/* Forms */
.form-group { position: relative; margin-bottom: 1.5rem; }
.form-control {
  width: 100%; padding: 1rem 0.5rem 0.5rem; border: none; border-bottom: 2px solid var(--color-border);
  background: transparent; font-family: var(--font-body); font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}
.form-control:focus { outline: none; border-bottom-color: var(--color-accent); }
.form-label {
  position: absolute; left: 0.5rem; top: 1rem; color: var(--color-text-light);
  transition: all var(--transition-fast); pointer-events: none;
}
.form-control:focus ~ .form-label, .form-control:valid ~ .form-label {
  top: -0.5rem; font-size: var(--text-xs); color: var(--color-accent);
}

/* Media Queries */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .site-sidebar { width: 80px; padding: 2rem 0.5rem; }
  .logo-text { display: none; }
  .main-nav a { padding: 0.75rem; text-align: center; }
  .main-nav a span { display: none; }
  main { margin-left: 110px; }
  .site-footer { margin-left: 110px; }
}

@media (max-width: 768px) {
  .hamburger { display: block; position: fixed; top: 1rem; right: 1rem; background: white; border-radius: 8px; padding: 10px; box-shadow: var(--shadow-sm); z-index: 1002;}
  .site-sidebar {
    left: -100%; top: 0; transform: none; width: 250px; height: 100vh; border-radius: 0; transition: left var(--transition-normal); padding: 2rem 1rem;
  }
  .site-sidebar.active { left: 0; }
  .logo-text { display: inline; }
  .main-nav a span { display: inline; }
  main { margin-left: 0; }
  .site-footer { margin-left: 0; }
  .d-none-mobile { display: none; }
  
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-content { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}