/* ═══════════ VARIABLES & RESET ═══════════ */
:root {
  --ens-blue: #1a3a6b;
  --ens-blue-light: #2a5ba8;
  --ens-blue-dark: #0f2347;
  --ens-green: #2d8c3c;
  --ens-green-light: #4db85a;
  --ens-green-dark: #1a6b28;
  --ens-white: #ffffff;
  --ens-cream: #f8faf5;
  --ens-gray: #6b7b8d;
  --ens-dark: #0d1b2a;
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Montserrat', sans-serif;
  --container-max: 1300px;
  --container-narrow: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --shadow-sm: 0 4px 15px rgba(0,0,0,0.06);
  --shadow-md: 0 12px 35px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.1);
  --shadow-green: 0 12px 35px rgba(45,140,60,0.3);
  --transition-fast: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-body); color: var(--ens-dark); overflow-x: hidden; background: var(--ens-white); }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ═══════════ SHARED UTILITIES ═══════════ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 120px 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ens-green);
  background: rgba(45,140,60,0.08);
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--ens-dark);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--ens-gray);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-weight: 300;
}

/* Page Banner (non-homepage) */
.page-banner {
  padding: 160px 40px 80px;
  background: linear-gradient(135deg, var(--ens-dark) 0%, #0f2940 50%, #0d2a4a 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(45,140,60,0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(42,91,168,0.15) 0%, transparent 50%);
}

.page-banner h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  color: var(--ens-white);
  position: relative;
  z-index: 2;
  margin-bottom: 16px;
}

.page-banner p {
  color: rgba(255,255,255,0.6);
  font-size: 1.1rem;
  font-weight: 300;
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  position: relative;
  z-index: 2;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.breadcrumb a:hover { color: var(--ens-green-light); }

.breadcrumb span {
  color: var(--ens-green-light);
  font-size: 0.85rem;
  font-weight: 600;
}

.breadcrumb .sep {
  color: rgba(255,255,255,0.3);
  font-size: 0.85rem;
}

/* Buttons */
.btn-primary {
  background: var(--ens-green);
  color: white;
  padding: 16px 36px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-fast);
  font-family: var(--font-body);
}

.btn-primary:hover {
  background: var(--ens-green-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-green);
}

.btn-outline {
  border: 2px solid rgba(255,255,255,0.3);
  color: white;
  padding: 14px 34px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-fast);
  background: transparent;
  font-family: var(--font-body);
}

.btn-outline:hover {
  border-color: var(--ens-green-light);
  color: var(--ens-green-light);
  transform: translateY(-3px);
}

.btn-secondary {
  background: var(--ens-blue);
  color: white;
  padding: 14px 30px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-fast);
  font-family: var(--font-body);
}

.btn-secondary:hover {
  background: var(--ens-blue-light);
  transform: translateY(-2px);
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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