/* ============================================
   YISO TECHNOLOGIES - COMPLETE STYLES
   Modern Professional Design System
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Primary Colors */
  --bs-primary: #8B5CF6;
  --bs-primary-rgb: 139, 92, 246;
  --primary-dark: #6D28D9;
  --primary-light: #A78BFA;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 100%);
  --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   RESET
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #1f2937;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(15px);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: var(--transition);
  border-bottom: 2px solid transparent;
  padding: 1rem 0;
}

.navbar.scrolled {
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
  border-bottom-color: rgba(139, 92, 246, 0.2);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bs-primary);
  transition: var(--transition);
  text-decoration: none;
}

.nav-logo:hover {
  transform: scale(1.05);
  color: var(--bs-primary);
}

.logo-svg {
  width: 40px;
  height: 40px;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-link {
  color: #6b7280;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  transition: width 0.3s;
  border-radius: 9999px;
}

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

.nav-link:hover::after {
  width: 100%;
}

.btn-donate {
  background: transparent;
  color: var(--bs-primary);
  border: 2px solid var(--bs-primary);
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  transition: var(--transition);
}

.btn-donate:hover {
  background: var(--bs-primary);
  color: white;
  transform: translateY(-2px);
}

.btn-donate::after {
  display: none !important;
}

.btn-nav {
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
  border: none;
}

.btn-nav:hover {
  transform: translateY(-3px);
  color: white;
}

.btn-nav::after {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--bs-primary);
  border-radius: 4px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
  padding: 8rem 2rem;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: pulse 8s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  color: white;
  font-size: 0.875rem;
  margin-bottom: 2rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: white;
  margin-bottom: 1.5rem;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, #e0d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.opensource-badge {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  border-radius: 16px;
  color: white;
  font-weight: 600;
  border: 2px solid rgba(139, 92, 246, 0.5);
}

.hero-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
  animation: float 6s ease-in-out infinite;
}

.el-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: 5%;
}

.el-2 {
  width: 200px;
  height: 200px;
  bottom: 10%;
  right: 10%;
  animation-delay: 2s;
}

.el-3 {
  width: 150px;
  height: 150px;
  top: 50%;
  right: 5%;
  animation-delay: 4s;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: white;
  color: var(--bs-primary);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  color: var(--bs-primary);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

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

.btn-hero {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

.btn-light {
  background: white;
  color: var(--bs-primary);
}

.btn-light:hover {
  transform: translateY(-4px);
  color: var(--bs-primary);
}

.btn-outline-light {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-outline-light:hover {
  background: white;
  color: var(--bs-primary);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  color: #1f2937;
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: #6B7280;
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-section {
  background: #F9FAFB;
}

.product-card {
  background: white;
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: 2px solid transparent;
  margin-bottom: 2rem;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.product-card.featured {
  border-color: var(--bs-primary);
}

.product-ribbon {
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 3rem;
  transform: rotate(45deg);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.product-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: white;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.product-icon-dark {
  background: linear-gradient(135deg, #1a1a1a 0%, #0A0A0A 100%);
}

.badge {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #F59E0B;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.product-body {
  margin-bottom: 2rem;
}

.product-title {
  font-size: 2rem;
  color: var(--bs-primary);
  margin-bottom: 1rem;
}

.product-tagline {
  font-size: 1.25rem;
  color: #6B7280;
  font-weight: 600;
  margin-bottom: 1rem;
}

.product-description {
  color: #6B7280;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #F3F4F6;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  color: #6B7280;
  transition: var(--transition);
}

.tag:hover {
  background: #E5E7EB;
  transform: translateY(-2px);
}

.tag i {
  color: var(--bs-primary);
}

/* ============================================
   secciones de cuadro_productos
   ============================================ */

.product-feather {
  background: #E5E7EB;
  padding: 2rem;
  border-radius: 16px;
  border: 2px solid rgba(139, 92, 246, 0.1);
  margin-bottom: 2rem;
}

.product-features {
  background: #c0eeff;
  padding: 2rem;
  border-radius: 16px;
  border: 2px solid rgba(139, 92, 246, 0.1);
  margin-bottom: 2rem;
}

.product-features h4 {
  color: var(--bs-primary);
  margin-bottom: 1.5rem;
}

.product-features ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-features li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.product-features i {
  color: #10B981;
  font-size: 1.25rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.product-features strong {
  color: #1f2937;
}

.product-features span {
  color: #6B7280;
  font-size: 0.875rem;
}

/* ============================================
   FEATURES
   ============================================ */
.features-section {
  background: white;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 2px solid #E5E7EB;
  transition: var(--transition);
  text-align: center;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #1f2937;
}

.feature-card p {
  color: #6B7280;
  line-height: 1.8;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-section {
  background: #F9FAFB;
}

.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 2px solid #E5E7EB;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.testimonial-card.featured {
  border-color: var(--bs-primary);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, white 100%);
}

.testimonial-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
}

.testimonial-rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.testimonial-rating i {
  color: #FFB800;
  font-size: 1.125rem;
}

.testimonial-text {
  color: #6B7280;
  line-height: 1.9;
  margin-bottom: 2rem;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid #E5E7EB;
}

.author-avatar {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  flex-shrink: 0;
  box-shadow: var(--shadow);
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.25rem;
}

.author-info p {
  color: #6B7280;
  font-size: 0.875rem;
  margin: 0;
}

/* ============================================
   TEAM
   ============================================ */
.team-section {
  background: white;
}

.team-card {
  background: white;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: 2px solid #E5E7EB;
  height: 100%;
}

.team-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.team-front {
  padding: 2rem;
  text-align: center;
}

.team-avatar-wrapper {
  margin-bottom: 1.5rem;
}

.team-avatar {
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  margin: 0 auto;
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

.team-front h3 {
  font-size: 1.5rem;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.team-role {
  color: var(--bs-primary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.team-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.team-skills span {
  background: #FAF5FF;
  color: var(--bs-primary);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ============================================
   DONATIONS
   ============================================ */
.donations-section {
  background: linear-gradient(180deg, #ffffff 0%, #FAF5FF 50%, #ffffff 100%);
  padding: 8rem 2rem;
  position: relative;
  overflow: hidden;
}

.donations-icon-wrapper {
  text-align: center;
  margin-bottom: 3rem;
}

.donations-icon {
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: white;
  box-shadow: 0 20px 60px rgba(139, 92, 246, 0.4);
  animation: float 4s ease-in-out infinite;
}

.support-card {
  background: white;
  padding: 3rem 2rem;
  border-radius: 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid transparent;
  transition: var(--transition);
  height: 100%;
}

.support-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.support-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--bs-primary);
  margin: 0 auto 2rem;
  transition: var(--transition);
}

.support-card:hover .support-icon {
  background: var(--gradient-primary);
  color: white;
}

.support-card h3 {
  font-size: 1.5rem;
  color: #1f2937;
  margin-bottom: 1rem;
}

.support-card p {
  color: #6B7280;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.support-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.1);
  color: #F59E0B;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  border: 2px solid rgba(245, 158, 11, 0.2);
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--gradient-primary);
  color: white;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
  text-decoration: none;
  cursor: pointer;
}

.support-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.5);
  color: white;
}

.share-link {
  background: var(--gradient-success);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.donation-cta-box {
  background: var(--gradient-primary);
  padding: 5rem 3rem;
  border-radius: 32px;
  text-align: center;
  margin: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(139, 92, 246, 0.4);
}

.donation-cta-box h3 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: white;
  margin-bottom: 1rem;
}

.donation-cta-box > p {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 3rem;
}

.donation-features {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.donation-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  color: white;
}

.donation-feature i {
  font-size: 2rem;
  background: rgba(255, 255, 255, 0.2);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.donation-feature span {
  font-weight: 600;
  font-size: 0.9375rem;
}

.btn-donate-main {
  margin-bottom: 2rem;
  animation: pulseButton 2s ease-in-out infinite;
}

.donation-note {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
}

.transparency-section {
  background: white;
  padding: 4rem 3rem;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 2px solid rgba(139, 92, 246, 0.1);
}

.transparency-section h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--bs-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.transparency-section > p {
  color: #6B7280;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.transparency-item {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.03), rgba(167, 139, 250, 0.03));
  border: 1px solid rgba(139, 92, 246, 0.1);
  transition: var(--transition);
  height: 100%;
}

.transparency-item:hover {
  transform: translateY(-5px);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(167, 139, 250, 0.08));
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.transparency-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
  transition: var(--transition);
}

.transparency-item:hover .transparency-icon {
  transform: scale(1.1) rotate(-5deg);
}

.transparency-item h4 {
  font-size: 1.125rem;
  color: #1f2937;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.transparency-item p {
  color: #6B7280;
  font-size: 0.9375rem;
  margin: 0;
}

/* ============================================
   CTA
   ============================================ */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  text-align: center;
  padding: 6rem 2rem;
  border-radius: 24px;
  margin: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-icon {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  margin: 0 auto 2rem;
  animation: float 3s ease-in-out infinite;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  margin-bottom: 1.5rem;
}

.cta-section p {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 3rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.cta-features {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  font-weight: 600;
}

.cta-feature i {
  color: #FFE985;
  font-size: 1.25rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #000000;
  color: #9CA3AF;
  padding: 6rem 2rem 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  margin-bottom: 1.5rem;
}

.footer-tagline {
  color: #9CA3AF;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-soon {
  background: rgba(139, 92, 246, 0.2);
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(139, 92, 246, 0.3);
  font-size: 0.875rem;
}

.social-soon i {
  color: var(--bs-primary);
  font-size: 1.25rem;
}

.footer h4 {
  color: white;
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer a {
  color: #9CA3AF;
  transition: var(--transition);
  text-decoration: none;
}

.footer a:hover {
  color: var(--bs-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 4rem;
  border-top: 1px solid rgba(139, 92, 246, 0.2);
}

.footer-love {
  margin-top: 1rem;
  opacity: 0.7;
}

.footer-love i {
  color: var(--bs-primary);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes pulseButton {
  0%, 100% {
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
  }
  50% {
    box-shadow: 0 20px 50px rgba(139, 92, 246, 0.6);
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: left 0.3s;
    box-shadow: var(--shadow-lg);
    padding: 2rem;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 6rem 1.5rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .product-card {
    padding: 2rem;
  }
  
  .donation-cta-box {
    padding: 3rem 2rem;
  }
  
  .donation-features {
    gap: 2rem;
  }
  
  .transparency-section {
    padding: 3rem 2rem;
  }
  
  .cta-section {
    padding: 4rem 2rem;
    margin: 3rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .donation-features {
    flex-direction: column;
  }
}


/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-section {
  background: linear-gradient(180deg, #ffffff 0%, #F9FAFB 50%, #ffffff 100%);
}

.pricing-card {
  background: white;
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 2px solid #E5E7EB;
  transition: var(--transition);
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--bs-primary);
}

.pricing-card-featured {
  border-color: var(--bs-primary);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.03) 0%, white 100%);
  transform: scale(1.05);
}

.pricing-card-featured:hover {
  transform: translateY(-10px) scale(1.05);
}

.pricing-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid #F3F4F6;
}

.pricing-plan-name {
  font-size: 1.75rem;
  color: #1f2937;
  margin-bottom: 1rem;
}

.pricing-price {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.pricing-price .currency {
  font-size: 1.5rem;
  color: var(--bs-primary);
  font-weight: 700;
  margin-top: 0.5rem;
}

.pricing-price .amount {
  font-size: 4rem;
  font-weight: 800;
  color: var(--bs-primary);
  line-height: 1;
}

.pricing-price .period {
  font-size: 1.125rem;
  color: #6B7280;
  align-self: flex-end;
  margin-bottom: 0.75rem;
}

.pricing-description {
  color: #6B7280;
  font-size: 1rem;
  margin: 0;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid #F3F4F6;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features i {
  color: #10B981;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.pricing-features span {
  color: #1f2937;
  font-size: 0.9375rem;
  font-weight: 500;
}

/* Comparison Table */
.pricing-comparison {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 2px solid #E5E7EB;
}

.pricing-comparison h3 {
  color: var(--bs-primary);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 2rem;
}

.comparison-table {
  margin: 0;
}

.comparison-table thead {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
}

.comparison-table thead th {
  padding: 1.5rem 1rem;
  font-weight: 700;
  color: #1f2937;
  border: none;
  vertical-align: middle;
}

.comparison-table thead th:first-child {
  border-top-left-radius: 12px;
}

.comparison-table thead th:last-child {
  border-top-right-radius: 12px;
}

.comparison-table thead small {
  display: block;
  color: var(--bs-primary);
  font-weight: 600;
  margin-top: 0.25rem;
}

.comparison-table tbody tr {
  transition: var(--transition);
}

.comparison-table tbody tr:hover {
  background: rgba(139, 92, 246, 0.03);
}

.comparison-table tbody td {
  padding: 1.25rem 1rem;
  vertical-align: middle;
  border-color: #E5E7EB;
}

.comparison-table tbody td:first-child {
  font-weight: 600;
  color: #1f2937;
}

.comparison-table .text-success {
  font-size: 1.5rem;
}

.comparison-table .text-danger {
  font-size: 1.5rem;
}

.comparison-table small {
  display: block;
  margin-top: 0.5rem;
  color: #6B7280;
  font-weight: 400;
}

.featured-column {
  background: linear-gradient(180deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
}

.pricing-footer {
  margin-top: 3rem;
}

.pricing-note {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(139, 92, 246, 0.1);
  padding: 1rem 2rem;
  border-radius: 12px;
  color: #1f2937;
  font-size: 0.9375rem;
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.pricing-note i {
  color: var(--bs-primary);
  font-size: 1.25rem;
}

/* ============================================
   PRICING RESPONSIVE
   ============================================ */
@media (max-width: 991px) {
  .pricing-card-featured {
    transform: scale(1);
  }
  
  .pricing-card-featured:hover {
    transform: translateY(-10px) scale(1);
  }
}

@media (max-width: 768px) {
  .pricing-card {
    padding: 2rem;
  }
  
  .pricing-comparison {
    padding: 2rem 1rem;
  }
  
  .comparison-table {
    font-size: 0.875rem;
  }
  
  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 1rem 0.5rem;
  }
  
  .comparison-table .text-success,
  .comparison-table .text-danger {
    font-size: 1.25rem;
  }
}

@media (max-width: 576px) {
  .pricing-price .amount {
    font-size: 3rem;
  }
  
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .comparison-table {
    min-width: 600px;
  }
}


/* ============================================
   PRICING MODAL
   ============================================ */
.modal-content {
  border-radius: 24px;
  border: none;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.modal-header {
  background: var(--gradient-primary);
  color: white;
  border-radius: 24px 24px 0 0;
  padding: 2rem;
  border: none;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  margin: 0;
  font-weight: 400;
}

.btn-close {
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.btn-close:hover {
  opacity: 1;
}

.modal-body {
  padding: 2.5rem;
}

.form-label {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
}

.form-label i {
  color: var(--bs-primary);
}

.form-control,
.form-control-lg {
  border: 2px solid #E5E7EB;
  border-radius: 12px;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus,
.form-control-lg:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.form-control.plan-display {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
  font-weight: 600;
  color: var(--bs-primary);
  border-color: rgba(139, 92, 246, 0.3);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-text {
  color: #6B7280;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-text i {
  color: var(--bs-primary);
  margin-top: 2px;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #E5E7EB;
  border-radius: 6px;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.form-check-label {
  color: #6B7280;
  margin-left: 0.5rem;
  cursor: pointer;
}

.modal-footer {
  padding: 1.5rem 2.5rem;
  border: none;
  background: #F9FAFB;
  border-radius: 0 0 24px 24px;
}

.modal-footer .btn {
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 12px;
}

.alert {
  border-radius: 12px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: none;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #DC2626;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
}

.alert i {
  font-size: 1.25rem;
}

/* Button Loading State */
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-radius: 50%;
  border-top-color: currentColor;
  animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
  to { transform: rotate(360deg); }
}

/* Responsive Modal */
@media (max-width: 768px) {
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1.5rem;
  }
  
  .modal-title {
    font-size: 1.5rem;
  }
}

/* ============================================
   PRICING MODAL
   ============================================ */
.modal-content {
  border-radius: 24px;
  border: none;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.modal-header {
  background: var(--gradient-primary);
  color: white;
  border-radius: 24px 24px 0 0;
  padding: 2rem;
  border: none;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-subtitle {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  margin: 0;
  font-weight: 400;
}

.btn-close {
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.btn-close:hover {
  opacity: 1;
}

.modal-body {
  padding: 2.5rem;
}

.form-label {
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
}

.form-label i {
  color: var(--bs-primary);
}

.form-control,
.form-control-lg {
  border: 2px solid #E5E7EB;
  border-radius: 12px;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus,
.form-control-lg:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.1);
}

.form-control.plan-display {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(167, 139, 250, 0.1));
  font-weight: 600;
  color: var(--bs-primary);
  border-color: rgba(139, 92, 246, 0.3);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-text {
  color: #6B7280;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.form-text i {
  color: var(--bs-primary);
  margin-top: 2px;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid #E5E7EB;
  border-radius: 6px;
  cursor: pointer;
}

.form-check-input:checked {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.form-check-label {
  color: #6B7280;
  margin-left: 0.5rem;
  cursor: pointer;
}

.modal-footer {
  padding: 1.5rem 2.5rem;
  border: none;
  background: #F9FAFB;
  border-radius: 0 0 24px 24px;
}

.modal-footer .btn {
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 12px;
}

/* Responsive Modal */
@media (max-width: 768px) {
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: 1.5rem;
  }
  
  .modal-title {
    font-size: 1.5rem;
  }
}