/* ==========================================================================
   TechEnergy For Africa e.V. - Complete Stylesheet
   Version: 2.0
   ========================================================================== */

/* CSS Custom Properties - Design Tokens */
:root {
  /* Brand Colors - African-Inspired Palette */
  --tefa-blue: #5B8AC2;
  --tefa-blue-dark: #4A7AB0;
  --tefa-blue-light: #7BA8D4;
  --tefa-orange: #F58220;
  --tefa-orange-light: #FCEE21;
  --tefa-red: #CE1126;
  
  /* Neutral Colors */
  --tefa-navy: #1E3A5F;
  --tefa-navy-light: #2D5A8A;
  --tefa-white: #FFFFFF;
  --tefa-off-white: #F8F9FA;
  --tefa-gray-100: #F1F3F5;
  --tefa-gray-200: #E9ECEF;
  --tefa-gray-300: #DEE2E6;
  --tefa-gray-400: #CED4DA;
  --tefa-gray-500: #ADB5BD;
  --tefa-gray-600: #6C757D;
  --tefa-gray-700: #495057;
  --tefa-gray-800: #343A40;
  --tefa-gray-900: #212529;
  
  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Fira Code', 'Consolas', monospace;
  
  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow-green: 0 0 20px rgba(0, 166, 81, 0.3);
  --shadow-glow-orange: 0 0 20px rgba(247, 147, 30, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Container Widths */
  --container-max: 1200px;
  --container-narrow: 800px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-secondary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--tefa-gray-800);
  background-color: var(--tefa-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--tefa-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--tefa-blue-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  line-height: 1.3;
  color: var(--tefa-navy);
  margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p { margin-bottom: var(--space-md); }

ul, ol { padding-left: var(--space-lg); }

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

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

.section--alt {
  background-color: var(--tefa-off-white);
}

.section--green {
  background: linear-gradient(135deg, var(--tefa-blue) 0%, var(--tefa-blue-dark) 100%);
  color: var(--tefa-white);
}

.section--green h2, .section--green h3, .section--green h4 {
  color: var(--tefa-white);
}

.section--navy {
  background: linear-gradient(135deg, var(--tefa-navy) 0%, #0d1f33 100%);
  color: var(--tefa-white);
}

.section--navy h2, .section--navy h3 {
  color: var(--tefa-white);
}

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section__subtitle {
  color: var(--tefa-orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
  display: block;
}

.section--green .section__subtitle {
  color: var(--tefa-orange-light);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 55px;
  width: auto;
}

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

.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  padding: 0;
  margin: 0;
}

.nav__link {
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--tefa-gray-700);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--tefa-blue), var(--tefa-orange));
  transition: width var(--transition-base);
}

.nav__link:hover, .nav__link.active {
  color: var(--tefa-blue);
}

.nav__link:hover::after, .nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav__toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--tefa-navy);
  transition: all var(--transition-fast);
  display: block;
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--tefa-blue) 0%, var(--tefa-blue-dark) 100%);
  color: var(--tefa-white);
  border-color: var(--tefa-blue);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-green);
  color: var(--tefa-white);
}

.btn--secondary {
  background: transparent;
  color: var(--tefa-blue);
  border-color: var(--tefa-blue);
}

.btn--secondary:hover {
  background: var(--tefa-blue);
  color: var(--tefa-white);
}

.btn--orange {
  background: linear-gradient(135deg, var(--tefa-orange) 0%, var(--tefa-orange-light) 100%);
  color: var(--tefa-navy);
  border-color: var(--tefa-orange);
}

.btn--orange:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-orange);
}

.btn--white {
  background: var(--tefa-white);
  color: var(--tefa-blue);
  border-color: var(--tefa-white);
}

.btn--white:hover {
  background: transparent;
  color: var(--tefa-white);
}

.btn--large {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.1rem;
}

.btn--small {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--tefa-navy) 0%, #0d1f33 100%);
}

.hero--small {
  min-height: 50vh;
}

.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero__pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(0, 166, 81, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(247, 147, 30, 0.15) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  color: var(--tefa-white);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(0, 166, 81, 0.2);
  border: 1px solid rgba(0, 166, 81, 0.4);
  color: var(--tefa-blue-light);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.6s ease;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--tefa-white);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__title span {
  background: linear-gradient(135deg, var(--tefa-orange) 0%, var(--tefa-orange-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: 1.25rem;
  color: var(--tefa-gray-300);
  margin-bottom: var(--space-2xl);
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero__stat-value {
  font-family: var(--font-primary);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--tefa-orange);
}

.hero__stat-label {
  font-size: 0.9rem;
  color: var(--tefa-gray-400);
}

/* ==========================================================================
   Cards & Grids
   ========================================================================== */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.grid--auto-fit {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Program Cards */
.program-card {
  background: var(--tefa-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--tefa-gray-200);
  position: relative;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--tefa-blue) 0%, var(--tefa-orange) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.program-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.program-card:hover::before {
  transform: scaleX(1);
}

.program-card__icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.1) 0%, rgba(0, 166, 81, 0.05) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 2rem;
}

.program-card__title {
  margin-bottom: var(--space-md);
}

.program-card__description {
  color: var(--tefa-gray-600);
  margin-bottom: var(--space-lg);
}

.program-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--tefa-blue);
}

.program-card__link:hover {
  gap: var(--space-md);
}

/* Project Cards */
.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--tefa-white);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.project-card__image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-card__image img {
  transform: scale(1.05);
}

.project-card__category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--tefa-blue);
  color: var(--tefa-white);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-card__content {
  padding: var(--space-xl);
}

.project-card__location {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--tefa-gray-500);
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.project-card__progress {
  margin-bottom: var(--space-md);
}

.project-card__progress-bar {
  height: 8px;
  background: var(--tefa-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.project-card__progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--tefa-blue) 0%, var(--tefa-blue-light) 100%);
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.project-card__progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--tefa-gray-600);
}

/* Team Cards */
.team-card {
  text-align: center;
  padding: var(--space-xl);
  background: var(--tefa-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.team-card__image {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-lg);
  border: 4px solid var(--tefa-blue);
}

.team-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  margin-bottom: var(--space-xs);
}

.team-card__role {
  color: var(--tefa-blue);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.team-card__social {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
}

.team-card__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--tefa-gray-100);
  color: var(--tefa-gray-600);
  transition: all var(--transition-fast);
}

.team-card__social a:hover {
  background: var(--tefa-blue);
  color: var(--tefa-white);
}

/* ==========================================================================
   Impact Statistics
   ========================================================================== */
.impact-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.impact-stat {
  padding: var(--space-xl);
}

.impact-stat__value {
  font-family: var(--font-primary);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--tefa-orange);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.section--green .impact-stat__value {
  color: var(--tefa-orange-light);
}

.impact-stat__label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.contact-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-info__item {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.contact-info__icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--tefa-blue) 0%, var(--tefa-blue-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tefa-white);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-info__label {
  font-weight: 600;
  color: var(--tefa-navy);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  color: var(--tefa-gray-600);
}

.contact-form {
  background: var(--tefa-white);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--tefa-navy);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--tefa-gray-200);
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background: var(--tefa-white);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--tefa-blue);
  box-shadow: 0 0 0 3px rgba(0, 166, 81, 0.1);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--tefa-red);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--tefa-navy);
  color: var(--tefa-gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand p {
  color: var(--tefa-gray-400);
  margin: var(--space-lg) 0;
  max-width: 300px;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--tefa-white);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--tefa-blue);
  transform: translateY(-3px);
}

.footer__heading {
  color: var(--tefa-white);
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
}

.footer__links {
  list-style: none;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  color: var(--tefa-gray-400);
  transition: all var(--transition-fast);
}

.footer__links a:hover {
  color: var(--tefa-white);
  padding-left: var(--space-sm);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__bottom p {
  margin: 0;
  color: var(--tefa-gray-500);
  font-size: 0.9rem;
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  color: var(--tefa-gray-500);
  font-size: 0.9rem;
}

.footer__legal a:hover {
  color: var(--tefa-white);
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0 !important; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-0 { margin-top: 0 !important; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.hidden { display: none !important; }

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 1024px) {
  .contact-section {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid--3, .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tefa-white);
    flex-direction: column;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
  }
  
  .nav__list.active {
    display: flex;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nav .btn {
    display: none;
  }
  
  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .grid--2, .grid--3, .grid--4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .hero__title {
    font-size: 2rem;
  }
  
  .section {
    padding: var(--space-3xl) 0;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .header, .footer, .nav, .btn {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
}

/* ==========================================================================
   Water Is Energy Page Styles
   ========================================================================== */

/* Hero Badges */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
}

.hero-badges .badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.2);
  color: var(--tefa-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Introduction Content Layout */
.intro-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3xl);
}

@media (min-width: 992px) {
  .intro-content {
    grid-template-columns: 2fr 1fr;
    align-items: start;
  }
}

.intro-text {
  font-size: 1.05rem;
}

.intro-text .lead-text {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  color: var(--tefa-gray-700);
}

.intro-text p {
  margin-bottom: var(--space-lg);
}

.intro-text a {
  color: var(--tefa-blue);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.intro-text a:hover {
  color: var(--tefa-orange);
}

/* Stats Grid */
.intro-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  background: linear-gradient(135deg, var(--tefa-blue), var(--tefa-blue-dark));
  color: var(--tefa-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.stat-card:nth-child(2) {
  background: linear-gradient(135deg, var(--tefa-orange), #E07010);
}

.stat-card:nth-child(3) {
  background: linear-gradient(135deg, #2ECC71, #27AE60);
}

.stat-card:nth-child(4) {
  background: linear-gradient(135deg, #9B59B6, #8E44AD);
}

.stat-card:hover {
  transform: translateY(-5px);
}

.stat-card i {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  opacity: 0.9;
}

.stat-card .stat-number {
  display: block;
  font-family: var(--font-primary);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.stat-card .stat-label {
  font-size: 0.85rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.pillar-card {
  background: var(--tefa-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.pillar-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.pillar-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  color: var(--tefa-white);
  font-size: 2rem;
}

.pillar-card h3 {
  font-family: var(--font-primary);
  font-size: 1.25rem;
  color: var(--tefa-navy);
  margin-bottom: var(--space-md);
}

.pillar-card p {
  color: var(--tefa-gray-600);
  font-size: 0.95rem;
}

/* Project Timeline */
.project-timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: var(--space-3xl);
  border-left: 3px solid var(--tefa-blue);
}

.project-timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -12px;
  top: 0;
}

.year-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--tefa-blue), var(--tefa-orange));
  color: var(--tefa-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.timeline-content {
  background: var(--tefa-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-xl);
  margin-left: var(--space-lg);
}

.project-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.project-header h3 {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  color: var(--tefa-navy);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.project-header h3 i {
  color: var(--tefa-orange);
}

.project-status {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-status.completed {
  background: #E8F5E9;
  color: #2E7D32;
}

.project-status.active {
  background: #FFF3E0;
  color: #E65100;
}

.project-location {
  background: var(--tefa-gray-100);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-xl);
  font-size: 0.95rem;
  line-height: 1.8;
}

.project-details {
  display: grid;
  gap: var(--space-xl);
}

.detail-section h4 {
  font-family: var(--font-primary);
  font-size: 1.1rem;
  color: var(--tefa-navy);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.detail-section h4 i {
  color: var(--tefa-blue);
}

.detail-section ul {
  list-style: none;
  padding: 0;
}

.detail-section ul li {
  position: relative;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-sm);
}

.detail-section ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--tefa-blue);
  font-weight: bold;
}

.detail-section ul ul {
  margin-top: var(--space-sm);
  margin-left: var(--space-md);
}

.detail-section ul ul li::before {
  content: '→';
  color: var(--tefa-orange);
}

/* Impact Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.impact-stat {
  background: linear-gradient(135deg, var(--tefa-blue), var(--tefa-blue-dark));
  color: var(--tefa-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
}

.impact-stat:nth-child(2) {
  background: linear-gradient(135deg, var(--tefa-orange), #E07010);
}

.impact-stat:nth-child(3) {
  background: linear-gradient(135deg, #2ECC71, #27AE60);
}

.impact-stat:nth-child(4) {
  background: linear-gradient(135deg, #9B59B6, #8E44AD);
}

.impact-stat .impact-number {
  display: block;
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
}

.impact-stat .impact-label {
  font-size: 0.75rem;
  opacity: 0.9;
  text-transform: uppercase;
}

/* Project Quote */
.project-quote {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: linear-gradient(135deg, rgba(91, 138, 194, 0.1), rgba(245, 130, 32, 0.1));
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--tefa-orange);
}

.project-quote blockquote {
  font-style: italic;
  font-size: 1.1rem;
  color: var(--tefa-gray-700);
  margin: 0;
}

.project-quote cite {
  display: block;
  margin-top: var(--space-md);
  font-style: normal;
  font-weight: 600;
  color: var(--tefa-navy);
  font-size: 0.9rem;
}

/* Next Steps Box */
.next-steps-box {
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(39, 174, 96, 0.1));
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid #2ECC71;
  margin-top: var(--space-lg);
}

.next-steps-box h5 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: #27AE60;
  margin-bottom: var(--space-sm);
}

.next-steps-box p {
  margin: 0;
  color: var(--tefa-gray-700);
}

/* Project Downloads */
.project-downloads {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--tefa-gray-200);
}

/* Partners Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.partner-card {
  background: var(--tefa-white);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all var(--transition-base);
}

.partner-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.partner-logo {
  margin-bottom: var(--space-lg);
}

.partner-card h4 {
  font-family: var(--font-primary);
  color: var(--tefa-navy);
  margin-bottom: var(--space-md);
}

.partner-card p {
  color: var(--tefa-gray-600);
  font-size: 0.95rem;
  margin-bottom: var(--space-lg);
}

.partner-link {
  color: var(--tefa-blue);
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.partner-link:hover {
  color: var(--tefa-orange);
}

/* CTA Section */
.cta-section {
  color: var(--tefa-white);
  text-align: center;
}

.cta-content h2 {
  color: var(--tefa-white);
  margin-bottom: var(--space-lg);
}

.cta-content p {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  opacity: 0.95;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
}

.btn-white {
  background: var(--tefa-white);
  color: var(--tefa-blue);
}

.btn-white:hover {
  background: var(--tefa-gray-100);
}

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

.btn-outline-white:hover {
  background: var(--tefa-white);
  color: var(--tefa-blue);
}

.cta-impact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: center;
}

.cta-impact .impact-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.15);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
}

/* SDG Alignment */
.sdg-alignment {
  text-align: center;
}

.sdg-content {
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.sdg-content h3 {
  font-family: var(--font-primary);
  color: var(--tefa-navy);
  margin-bottom: var(--space-md);
}

.sdg-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  justify-content: center;
}

.sdg-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.sdg-item img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.sdg-item span {
  font-size: 0.85rem;
  color: var(--tefa-gray-600);
  max-width: 100px;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .project-timeline-item {
    padding-left: 20px;
  }
  
  .timeline-content {
    margin-left: var(--space-md);
    padding: var(--space-lg);
  }
  
  .project-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .intro-stats {
    grid-template-columns: 1fr;
  }
  
  .cta-impact {
    flex-direction: column;
    align-items: center;
  }
}