:root {
  --alpha-dark: #1A2526;
  --alpha-green: #4CAF50;
  --alpha-orange: #FF6F00;
  --alpha-frost: #F0F4F8;
  --text-dark: #1a1a1a;
  --text-light: #ffffff;
}

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

html, body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.75;
  color: var(--text-dark);
  background-color: #ffffff;
}

body {
  padding-top: 70px;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--alpha-dark);
  color: var(--text-light);
  padding: 15px 0;
  z-index: 1030;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

header .container-fluid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

header .logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--text-light);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.05em;
}

header .logo img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
  border-radius: 4px;
}

header nav a {
  color: var(--text-light);
  text-decoration: none;
  margin-left: 30px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: var(--alpha-green);
}

/* ===== FOOTER ===== */
footer {
  background-color: var(--alpha-dark);
  color: var(--alpha-frost);
  padding: 60px 20px 30px;
  margin-top: 100px;
  font-size: 0.9rem;
  line-height: 1.8;
}

footer .container {
  max-width: 1200px;
  margin: 0 auto;
}

footer .footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

footer .footer-section h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--alpha-green);
}

footer .footer-section a {
  color: var(--alpha-frost);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

footer .footer-section a:hover {
  color: var(--alpha-orange);
}

footer .footer-section p {
  margin-bottom: 10px;
}

footer .footer-divider {
  border-top: 1px solid rgba(240,244,248,0.2);
  padding-top: 20px;
  margin-top: 20px;
}

footer .footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(240,244,248,0.7);
}

footer .footer-message {
  text-align: center;
  font-weight: 600;
  color: var(--alpha-green);
  margin-bottom: 30px;
}

/* ===== HERO SECTION ===== */
.hero {
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 200px 20px;
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26,37,38,0.85) 0%, rgba(76,175,80,0.3) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 5.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 20px;
  text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.hero p {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 30px;
}

/* ===== SECTIONS ===== */
section {
  padding: 120px 20px;
}

section.full-bleed {
  padding-left: 0;
  padding-right: 0;
}

.section-bg-dark {
  background: linear-gradient(135deg, var(--alpha-dark) 0%, rgba(26,37,38,0.95) 100%);
  color: var(--text-light);
}

.section-bg-green {
  background: linear-gradient(135deg, var(--alpha-green) 0%, rgba(76,175,80,0.85) 100%);
  color: var(--text-light);
}

.section-bg-light {
  background-color: var(--alpha-frost);
}

.section-container {
  max-width: 1650px;
  margin: 0 auto;
  padding: 0 20px;
}

section h2 {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 50px;
  line-height: 1.1;
}

section h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
}

.section-intro {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 900px;
}

/* ===== GRID LAYOUTS ===== */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.grid-2-alt {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.grid-2-alt > div:first-child {
  order: 2;
}

.grid-2-alt > img {
  order: 1;
}

/* ===== CARDS ===== */
.card {
  background-color: var(--text-light);
  border: 2px solid var(--alpha-dark);
  padding: 30px;
  transition: all 0.55s ease-out;
  cursor: pointer;
}

.card:hover {
  transform: scale(1.09);
  box-shadow: 0 0 30px rgba(76,175,80,0.5), 0 0 50px rgba(255,111,0,0.3);
  border-color: var(--alpha-orange);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 4px;
}

.card h4 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--alpha-dark);
}

.card p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #555;
}

/* ===== TABLE ===== */
.table-container {
  overflow-x: auto;
  margin: 40px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--text-light);
}

table th {
  background-color: var(--alpha-dark);
  color: var(--text-light);
  padding: 15px;
  text-align: left;
  font-weight: 700;
}

table td {
  padding: 12px 15px;
  border-bottom: 1px solid #eee;
}

table tr:hover {
  background-color: var(--alpha-frost);
}

/* ===== ACCORDION ===== */
.accordion {
  background-color: transparent;
}

.accordion .card {
  border: none;
  border-bottom: 2px solid var(--alpha-dark);
  border-radius: 0;
  margin-bottom: 10px;
  padding: 0;
  box-shadow: none;
}

.accordion .card:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--alpha-green);
}

.accordion .card-header {
  padding: 0;
  background-color: transparent;
  border: none;
}

.accordion .card-header button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 20px;
  background-color: transparent;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--alpha-dark);
  cursor: pointer;
  transition: all 0.3s ease;
}

.accordion .card-header button:hover {
  color: var(--alpha-green);
}

.accordion .card-header button[aria-expanded="true"] {
  color: var(--alpha-orange);
}

.accordion .collapse {
  padding: 20px;
}

/* ===== FORMS ===== */
form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 25px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--alpha-dark);
}

input[type="email"],
textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid var(--alpha-dark);
  border-radius: 4px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

input[type="email"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--alpha-green);
  box-shadow: 0 0 10px rgba(76,175,80,0.3);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 14px 40px;
  background-color: var(--alpha-dark);
  color: var(--text-light);
  text-decoration: none;
  border: 2px solid var(--alpha-dark);
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn:hover {
  background-color: var(--alpha-green);
  border-color: var(--alpha-green);
  color: var(--text-light);
}

.btn-secondary {
  background-color: var(--alpha-orange);
  border-color: var(--alpha-orange);
}

.btn-secondary:hover {
  background-color: #e65a00;
  border-color: #e65a00;
}

/* ===== DISCLAIMER ===== */
.disclaimer {
  background-color: var(--alpha-frost);
  border-left: 4px solid var(--alpha-orange);
  padding: 25px;
  margin: 40px 0;
  border-radius: 4px;
}

.disclaimer h4 {
  color: var(--alpha-dark);
  font-weight: 700;
  margin-bottom: 10px;
}

.disclaimer p {
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--alpha-dark);
  color: var(--alpha-frost);
  padding: 20px;
  box-shadow: 0 -2px 15px rgba(0,0,0,0.3);
  z-index: 9999;
  display: none;
}

.cookie-banner.show {
  display: block;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
}

.cookie-text {
  font-size: 0.9rem;
  line-height: 1.6;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.cookie-btn.accept {
  background-color: var(--alpha-green);
  color: var(--text-light);
}

.cookie-btn.accept:hover {
  background-color: #45a049;
}

.cookie-btn.reject {
  background-color: transparent;
  color: var(--alpha-frost);
  border: 1px solid var(--alpha-frost);
}

.cookie-btn.reject:hover {
  background-color: rgba(240,244,248,0.1);
}

.cookie-btn.learn {
  background-color: transparent;
  color: var(--alpha-orange);
  border: 1px solid var(--alpha-orange);
}

.cookie-btn.learn:hover {
  background-color: rgba(255,111,0,0.1);
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-on-scroll.visible {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

section img {
  border-radius: 4px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  header nav {
    display: none;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  section h2 {
    font-size: 2rem;
  }

  section h3 {
    font-size: 1.4rem;
  }

  section {
    padding: 60px 20px;
  }

  .grid-2,
  .grid-2-alt {
    grid-template-columns: 1fr;
  }

  .grid-2-alt > div:first-child {
    order: 0;
  }

  .grid-2-alt > img {
    order: 0;
  }

  .cookie-content {
    grid-template-columns: 1fr;
  }

  .cookie-buttons {
    flex-wrap: wrap;
  }

  .cookie-btn {
    flex: 1;
    min-width: 120px;
  }

  table {
    font-size: 0.85rem;
  }

  table th,
  table td {
    padding: 10px;
  }
}

@media (max-width: 480px) {
  header .logo {
    font-size: 1.2rem;
  }

  header nav a {
    margin-left: 15px;
    font-size: 0.85rem;
  }

  .hero {
    padding: 100px 15px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  section h2 {
    font-size: 1.5rem;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  footer .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
}