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

:root {
  --color-primary: #0a192f; /* Deep Navy Blue */
  --color-secondary: #172a45; /* Muted Blue */
  --color-accent: #64ffda; /* Changed to a more modern accent that works with navy */
  --color-accent-soft: #8892b0; /* Soft Institutional Blue/Grey */
  --color-bg: #f0f2f5; /* Light Neutral Grey */
  --color-text: #333; /* Dark Neutral Grey */
  --color-text-light: #ccd6f6;
  --color-white: #ffffff;
  --font-primary: 'Lato', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-secondary: 'Roboto', sans-serif;
  --spacing-xs: 4px;
  --spacing-s: 8px;
  --spacing-m: 16px;
  --spacing-l: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-xxxl: 64px;
  --section-padding: clamp(4rem, 8vw, 8rem);
  --border-radius: 8px;
  --transition-speed: 300ms;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---=== TYPOGRAPHY ===--- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
p { margin-bottom: var(--spacing-m); }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-speed) ease-in-out; }
a:hover, a:focus { color: var(--color-accent-soft); }

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---=== HEADER & NAVIGATION ===--- */
.header {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  padding: 0 var(--spacing-xl);
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-l);
}

.nav-links a {
  font-family: var(--font-secondary);
  font-weight: 500;
  color: var(--color-text);
  padding: var(--spacing-s) var(--spacing-m);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: all var(--transition-speed) ease-in-out;
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a.active {
    color: var(--color-primary);
    font-weight: 700;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-primary);
  position: relative;
  transition: transform var(--transition-speed) ease-in-out;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  left: 0;
  transition: transform var(--transition-speed) ease-in-out, top var(--transition-speed) ease-in-out;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.mobile-menu-toggle.open .hamburger { background-color: transparent; }
.mobile-menu-toggle.open .hamburger::before { transform: rotate(45deg); top: 0; }
.mobile-menu-toggle.open .hamburger::after { transform: rotate(-45deg); top: 0; }


/* ---=== HERO SECTION ===--- */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--section-padding) var(--spacing-xl);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 25, 47, 0.85), rgba(23, 42, 69, 0.8));
  mix-blend-mode: multiply;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-l);
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.hero p {
  font-size: clamp(1.1rem, 1.5vw, 1.25rem);
  color: var(--color-text-light);
  max-width: 800px;
  margin: 0 auto;
}

.page-hero {
  min-height: 40vh;
}

/* ---=== GENERAL SECTION STYLING ===--- */
.section {
  padding: var(--section-padding) 0;
}

.section-dark {
  background-color: var(--color-white);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xxxl);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  margin: var(--spacing-m) auto 0;
}

/* ---=== IMAGE STYLING & DESATURATION ===--- */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

.desaturated-img {
  filter: grayscale(1);
  position: relative;
  overflow: hidden;
}

.desaturated-img::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-secondary);
    mix-blend-mode: color;
    opacity: 0.3;
}

/* ---=== HOME PAGE: ECOSYSTEM GRID ===--- */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.eco-card {
  background-color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid #e0e0e0;
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.eco-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.eco-card h3 {
  margin-bottom: var(--spacing-m);
  color: var(--color-primary);
}

.eco-card a {
  font-weight: bold;
  color: var(--color-primary);
}

/* ---=== PREVIEW SECTION ===--- */
.preview-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.preview-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}

.preview-card-content {
  padding: var(--spacing-xl);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.preview-card h3 {
  margin-bottom: var(--spacing-s);
}

.preview-card p {
  flex-grow: 1;
}

.preview-card a {
  display: inline-block;
  margin-top: auto;
  font-weight: 700;
  text-decoration: none;
}

/* ---=== ABOUT PAGE & ARTICLE LAYOUT ===--- */
.content-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xxxl);
  align-items: center;
}

@media (min-width: 992px) {
  .content-wrapper {
    grid-template-columns: 2fr 1fr;
  }
  .content-wrapper.reverse {
    grid-template-columns: 1fr 2fr;
  }
  .content-wrapper.reverse .content-image {
    grid-column: 1;
    grid-row: 1;
  }
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h2,
.article-content h3 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-m);
}

.article-content ul {
    list-style-position: inside;
    margin-bottom: var(--spacing-m);
    padding-left: var(--spacing-m);

}
.article-content li {
    margin-bottom: var(--spacing-s);
}

/* ---=== CONTACT PAGE ===--- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xxxl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-l);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.contact-form label {
  font-weight: 600;
  margin-bottom: var(--spacing-s);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: var(--spacing-m);
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(10, 25, 47, 0.1);
}

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

.disclaimer {
  font-size: 0.9rem;
  color: #666;
  background-color: #f9f9f9;
  padding: var(--spacing-m);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-accent-soft);
}

.submit-btn {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-m) var(--spacing-xl);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
  align-self: flex-start;
}

.submit-btn:hover {
  background-color: var(--color-secondary);
}

/* ---=== LEGAL PAGE ===--- */
.legal-content h2 { margin-top: var(--spacing-xxl); margin-bottom: var(--spacing-m); }
.legal-content h3 { margin-top: var(--spacing-xl); margin-bottom: var(--spacing-s); }

/* ---=== FOOTER ===--- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--section-padding) 0;
  padding-bottom: var(--spacing-xxl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-xxl);
}

.footer-col h4 {
  color: var(--color-white);
  margin-bottom: var(--spacing-l);
  font-family: var(--font-secondary);
}

.footer-col p {
  color: var(--color-accent-soft);
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--spacing-s);
}

.footer-nav a {
  color: var(--color-accent-soft);
}

.footer-nav a:hover {
  color: var(--color-white);
  padding-left: var(--spacing-s);
}

.footer-bottom {
  text-align: center;
  margin-top: var(--spacing-xxxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-secondary);
  font-size: 0.9rem;
  color: var(--color-accent-soft);
}

/* ---=== COOKIE BANNER ===--- */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(23, 42, 69, 0.95);
  color: var(--color-text-light);
  padding: var(--spacing-l);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-l);
  flex-wrap: wrap;
  backdrop-filter: blur(5px);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

#cookie-banner p {
  margin: 0;
  flex-grow: 1;
  text-align: center;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-m);
  flex-shrink: 0;
}

.cookie-btn {
  padding: var(--spacing-s) var(--spacing-l);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 700;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

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

.cookie-btn.decline {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-accent-soft);
}
.cookie-btn.decline:hover {
  background-color: var(--color-accent-soft);
  color: var(--color-primary);
}


/* ---=== RESPONSIVE DESIGN ===--- */
@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    transform: translateX(100%);
    transition: transform var(--transition-speed) ease-in-out;
  }
  .nav-links.open {
    transform: translateX(0);
  }
  .nav-links a {
    color: var(--color-text-light);
    font-size: 1.2rem;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    text-align: center;
  }
  .footer-col {
    margin-bottom: var(--spacing-xl);
  }
  #cookie-banner {
    flex-direction: column;
  }
  .cookie-buttons {
    width: 100%;
    justify-content: space-around;
  }
}