/* ElderAid Green Initiative Page Styles */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors */
  --color-primary: #478ac9;
  --color-primary-light: #35c2cd;
  --color-primary-dark: #4b77b4;
  --color-green: #22c55e;
  --color-green-light: #4ade80;
  --color-green-dark: #16a34a;
  --color-accent: #4b77b4;
  --color-text: #1a1a2e;
  --color-text-light: #64748b;
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-800: #1e293b;

  /* Gradients */
  --gradient-green: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  --gradient-primary: linear-gradient(135deg, #35c2cd 0%, #4b77b4 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Borders & Shadows */
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
}

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

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

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  line-height: 1.6;
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  font-size: 1.125rem;
  color: var(--color-text);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  padding: 0.75rem 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-pill {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--spacing-xs);
}

.nav-link {
  position: relative;
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-green);
  border-radius: var(--radius-full);
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:hover::after {
  width: 60%;
}

.nav-link.active {
  color: var(--color-green);
  font-weight: 600;
}

.nav-link.active::after {
  width: 60%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-link .dropdown-arrow {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 4px;
  vertical-align: middle;
  transition: var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
  padding: var(--spacing-xs);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  z-index: 100;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: block;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-gray-50);
  color: var(--color-green);
}

.nav-cta {
  display: flex;
  align-items: center;
}

.donate-btn {
  background: transparent;
  padding: 0.5rem 1.25rem;
  border-radius: 0;
  border: 1.5px solid var(--color-primary);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-primary);
  transition: var(--transition-base);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero-green {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  padding-top: var(--header-height);
  padding-left: var(--spacing-2xl);
  overflow: hidden;
}

.hero-green-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 50%, #bbf7d0 100%);
  z-index: 0;
}

.hero-green-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-green-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(53, 194, 205, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-green-overlay {
  display: none;
}

.hero-green-content {
  position: relative;
  z-index: 5;
  max-width: 800px;
  padding: var(--spacing-2xl);
}

.hero-badge-green {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-full);
  color: var(--color-green-dark);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.hero-green h1 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  margin-left: 0;
  padding-left: 0;
  background: linear-gradient(135deg, #166534 0%, #22c55e 50%, #166534 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-green p {
  font-size: 1.25rem;
  color: var(--color-text);
  max-width: 600px;
  margin: 0;
  margin-left: -2px;
  padding: 0;
}

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text);
}

/* ===== Environmental Impact Section ===== */
.env-impact {
  background: linear-gradient(180deg, #ffffff 0%, #f0fdf4 100%);
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.impact-card-green {
  background: var(--color-white);
  border-radius: 0;
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-base);
}

.impact-card-green:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.15);
}

.impact-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  border-radius: 50%;
}

.impact-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-green-dark);
}

.impact-number-green {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.impact-label-green {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.impact-card-green p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
}

/* ===== Wisdom Section ===== */
.wisdom {
  background: var(--color-white);
}

.wisdom-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  margin-bottom: var(--spacing-3xl);
}

.wisdom-text h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.wisdom-text p {
  margin-bottom: var(--spacing-md);
}

.wisdom-card {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
}

.quote-icon {
  width: 48px;
  height: 48px;
  background: var(--color-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.quote-icon svg {
  width: 24px;
  height: 24px;
  fill: var(--color-white);
}

.wisdom-quote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.wisdom-author {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-green-dark);
}

.wisdom-skills h3 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.skill-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 0;
  padding: var(--spacing-lg);
  transition: var(--transition-base);
}

.skill-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.1);
}

.skill-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.skill-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-green-dark);
}

.skill-card h4 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  font-size: 1.125rem;
}

.skill-card p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
}

/* ===== Green Tasks Section ===== */
.green-tasks {
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
}

.tasks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.task-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 0;
  padding: var(--spacing-xl);
  text-align: center;
  transition: var(--transition-base);
}

.task-card:hover {
  border-color: rgba(34, 197, 94, 0.4);
  box-shadow: 0 0 25px rgba(34, 197, 94, 0.12);
  transform: translateY(-5px);
}

.task-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
}

.task-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-white);
}

.task-card h4 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.task-card p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
}

/* ===== CTA Section ===== */
.cta-green {
  background: var(--gradient-green);
  text-align: center;
  color: var(--color-white);
}

.cta-green h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.cta-green p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition-spring);
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-gray-100);
}

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 2px solid var(--color-white);
}

.btn-ghost:hover {
  background: var(--color-white);
  color: var(--color-green-dark);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-gray-800);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transition: var(--transition-spring);
}

.social-link:hover {
  background: var(--color-green);
  border-color: var(--color-green);
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .wisdom-intro {
    gap: var(--spacing-xl);
  }

  .skills-grid,
  .tasks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-pill {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-pill.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  }

  .nav-pill.active .nav-links {
    flex-direction: column;
    width: 100%;
  }

  .nav-pill.active .nav-link {
    width: 100%;
    text-align: center;
    padding: var(--spacing-sm);
  }

  .nav-pill.active .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    background: var(--color-gray-50);
  }

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

  .wisdom-intro {
    grid-template-columns: 1fr;
  }

  .skills-grid,
  .tasks-grid {
    grid-template-columns: 1fr;
  }

  .hero-green-content {
    padding: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }
}