@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&family=Playfair+Display:wght@600;800&display=swap');

:root {
  --optics-main: #008080; /* Teal */
  --optics-accent: #FF7F50; /* Orange */
  --optics-base-light: #FFF8F0; /* Soft Yellow-ish white */
  --optics-base-dark: #1A2530; /* Deep Navy */
  
  --font-titles: 'Playfair Display', serif;
  --font-paragraphs: 'Open Sans', sans-serif;
  
  --vibrant-grad: linear-gradient(135deg, var(--optics-main) 0%, var(--optics-accent) 100%);
  --dark-grad: linear-gradient(135deg, var(--optics-base-dark) 0%, #2c3e50 100%);
}

html {
  font-family: var(--font-paragraphs);
  color: var(--optics-base-dark);
  background-color: var(--optics-base-light);
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-titles);
}

/* Thematic Custom Classes */
.vision-nav-bar {
  background-color: var(--optics-base-light);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.eye-health-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.focus-action-btn {
  display: inline-block;
  color: #ffffff;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.focus-action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(255, 127, 80, 0.4);
}

.retina-info-block {
  background: #ffffff;
  border-radius: 1rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.retina-info-block:hover {
  transform: translateY(-5px);
}

.habit-step-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--optics-accent);
  color: #ffffff;
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.ergonomics-stat-val {
  font-family: var(--font-titles);
  font-size: 3rem;
  color: var(--optics-main);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.cookie-alert-box {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--optics-base-dark);
  color: var(--optics-base-light);
  padding: 1.5rem;
  z-index: 9999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
}

.cookie-allow {
  background-color: var(--optics-accent);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.cookie-deny {
  background-color: #4B5563;
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.cookie-allow:hover, .cookie-deny:hover {
  opacity: 0.9;
}

.custom-list-numeric {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}

.custom-list-numeric li {
  display: flex;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.custom-list-numeric li::before {
  content: counter(item);
  counter-increment: item;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--optics-main);
  color: white;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: bold;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.custom-list-numeric {
  counter-reset: item;
}

.mobile-menu-overlay {
  display: none;
}
.mobile-menu-overlay.active {
  display: flex;
}