:root {
  --primary: #0a0a0a;
  --secondary: #1a1a1a;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --text: #0a0a0a;
  --text-light: #525252;
  --text-muted: #737373;
  --bg: #ffffff;
  --bg-alt: #fafafa;
  --border: #e5e5e5;
  --border-dark: #d4d4d4;
  
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --container: 1140px;
  --radius: 8px;
  --radius-sm: 4px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== NAVBAR ==================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.lang-switch {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: 16px;
}

.lang-switch:hover {
  transform: scale(1.05);
}

.lang-flag {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.lang-flag svg {
  width: 36px;
  height: 27px;
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.2s, box-shadow 0.2s;
}

.lang-switch:hover .lang-flag svg {
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  transform: scale(1.05);
}

.lang-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  padding: 14px;
  display: none;
  gap: 10px;
  flex-wrap: wrap;
  width: 240px;
  z-index: 1001;
}

.lang-menu.active {
  display: flex;
}

.lang-option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-option svg {
  width: 40px;
  height: 30px;
  border-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform 0.2s, box-shadow 0.2s;
}

.lang-option:hover {
  background: var(--bg-alt);
}

.lang-option:hover svg {
  transform: scale(1.08);
  box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.lang-option.active {
  background: var(--bg-alt);
}

.lang-option.active svg {
  box-shadow: 0 0 0 2px var(--accent);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 1002;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  border-radius: 2px;
  margin: 3px 0;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: block;
  opacity: 1;
}

/* Mobile Menu Panel */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background: var(--bg);
  z-index: 1001;
  transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
  overflow-y: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.mobile-menu-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.mobile-menu-close {
  width: 36px;
  height: 36px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.mobile-menu-close:hover {
  background: var(--border);
}

.mobile-menu-close svg {
  width: 18px;
  height: 18px;
  color: var(--text);
}

.mobile-menu-nav {
  padding: 24px;
}

.mobile-menu-nav ul {
  list-style: none;
}

.mobile-menu-nav li {
  margin-bottom: 8px;
}

.mobile-menu-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  color: var(--text);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.mobile-menu-nav a:hover {
  background: var(--bg-alt);
  color: var(--accent);
}

.mobile-menu-nav a svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.mobile-menu-nav a:hover svg {
  color: var(--accent);
}

.mobile-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.mobile-menu-lang {
  padding: 0 24px 24px;
}

.mobile-menu-lang-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.mobile-menu-lang-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mobile-lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.mobile-lang-btn:hover {
  border-color: var(--border-dark);
}

.mobile-lang-btn.active {
  border-color: var(--accent);
  background: rgba(37, 99, 235, 0.05);
}

.mobile-lang-btn svg {
  width: 28px;
  height: 21px;
  border-radius: 2px;
}

.mobile-menu-cta {
  padding: 0 24px 32px;
}

.mobile-menu-cta .btn {
  width: 100%;
  justify-content: center;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

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

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-dark);
}

.btn-outline:hover {
  background: var(--bg-alt);
  border-color: var(--text);
}

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

.btn-accent:hover {
  background: var(--accent-hover);
}

/* ==================== HERO ==================== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: var(--bg);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: 800px;
  background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
}

.hero-grid-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to bottom, white 0%, transparent 80%);
  -webkit-mask-image: linear-gradient(to bottom, white 0%, transparent 80%);
}

.hero-main {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  margin-bottom: 32px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--primary);
}

.hero-title span {
  display: block;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #1e40af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: none;
}

.btn-ghost:hover {
  background: var(--bg-alt);
}

/* Hero Metrics */
.hero-metrics {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
  position: relative;
}

.hero-metric {
  flex: 1;
  text-align: center;
  padding: 0 40px;
}

.hero-metric-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

.hero-metric-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 8px;
}

.hero-metric-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero Tech/Clients */
.hero-clients {
  text-align: center;
}

.hero-clients-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.hero-tech-list {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-tech {
  padding: 10px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
}

.hero-tech:hover {
  border-color: var(--border-dark);
  color: var(--text);
}

/* ==================== SECTIONS ==================== */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 560px;
}

.section-description .link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.section-description .link:hover {
  text-decoration: underline;
}

/* ==================== TREASURY / INVESTORS ==================== */
.treasury {
  padding: 80px 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.treasury-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.treasury-info .section-tag {
  margin-bottom: 16px;
}

.treasury-info .section-title {
  margin-bottom: 16px;
}

.treasury-info p {
  color: var(--text-light);
  margin-bottom: 32px;
}

.treasury-stats {
  display: flex;
  gap: 40px;
}

.treasury-stat {
  display: flex;
  flex-direction: column;
}

.treasury-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
}

.treasury-stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.investor-card {
  background: var(--bg);
  color: var(--text);
  padding: 40px;
  border-radius: var(--radius);
  border: 2px solid var(--border);
  position: relative;
}

.investor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  border-radius: var(--radius) var(--radius) 0 0;
}

.investor-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.investor-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
}

.investor-card p {
  color: var(--text-light);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.investor-benefits {
  list-style: none;
  margin-bottom: 24px;
}

.investor-benefits li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-light);
  font-size: 0.9rem;
}

.investor-benefits li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.investor-card .btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
}

.investor-card .btn-primary:hover {
  background: var(--accent-hover);
}

@media (max-width: 768px) {
  .treasury-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .treasury-stats {
    flex-direction: column;
    gap: 20px;
  }
  
  .investor-card {
    padding: 30px;
  }
}

/* ==================== PROJECTS ==================== */
.projects {
  background: var(--bg-alt);
}

.project-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.project-tab {
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-light);
}

.project-tab:hover {
  border-color: var(--border-dark);
}

.project-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.2s;
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--border-dark);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.project-category {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-badge.investment {
  background: var(--primary);
  color: white;
}

.project-badge.beta {
  background: var(--bg-alt);
  color: var(--text-light);
  border: 1px solid var(--border);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.project-description {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.project-tech {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tech-tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-light);
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.project-progress {
  flex: 1;
  margin-right: 20px;
}

.progress-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 2px;
}

.project-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}

.project-link:hover {
  color: var(--accent);
}

/* ==================== SERVICES ==================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

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

@media (max-width: 1024px) {
  .services-grid-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services-grid-main {
    grid-template-columns: 1fr;
  }
}

.service-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  background: var(--bg);
}

.service-card:hover {
  border-color: var(--border-dark);
  transform: translateY(-2px);
}

.service-icon {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 8px 12px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
}

/* ==================== DONATE / CRYPTO ==================== */
.donate {
  background: var(--bg);
}

.crypto-total {
  text-align: center;
  margin-bottom: 40px;
  padding: 24px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.crypto-total-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.crypto-total-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -1px;
}

.crypto-cards {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.crypto-card {
  width: 200px;
  height: 280px;
  perspective: 1200px;
  cursor: pointer;
}

.crypto-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  transform-style: preserve-3d;
}

.crypto-card.flipped .crypto-card-inner {
  transform: rotateY(180deg);
}

.crypto-card-front,
.crypto-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.crypto-card-front {
  background: var(--bg);
}

.crypto-card:not(.flipped):hover .crypto-card-front {
  border-color: var(--border-dark);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.crypto-hint {
  position: absolute;
  bottom: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.crypto-card:hover .crypto-hint {
  opacity: 1;
}

.crypto-card.no-address {
  cursor: default;
}

.crypto-card.no-address:hover .crypto-card-front {
  transform: none;
  box-shadow: none;
}

.crypto-card-back {
  background: var(--bg-alt);
  transform: rotateY(180deg);
}

.crypto-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}

.crypto-card:hover .crypto-logo {
  transform: scale(1.05);
}

.crypto-logo svg {
  width: 100%;
  height: 100%;
}

.crypto-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.crypto-symbol {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.crypto-qr {
  width: 140px;
  height: 140px;
  background: white;
  padding: 10px;
  border-radius: 10px;
  margin-bottom: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.crypto-qr img {
  width: 100%;
  height: 100%;
}

.crypto-address {
  font-size: 0.7rem;
  color: var(--text-muted);
  word-break: break-all;
  text-align: center;
  line-height: 1.5;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  max-width: 100%;
  padding: 0 8px;
}

.crypto-copy {
  font-size: 0.85rem;
  color: var(--accent);
  margin-top: 14px;
  font-weight: 500;
  padding: 8px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  cursor: pointer;
}

.crypto-copy:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* ==================== CONTACT ==================== */
.contact {
  background: var(--bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-light);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: all 0.2s;
}

.contact-method:hover {
  border-color: var(--border-dark);
}

.contact-method-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
}

.contact-method-icon svg {
  width: 20px;
  height: 20px;
}

.contact-method h4 {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 2px;
}

.contact-method p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--primary);
  color: white;
  padding: 60px 0 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}

.footer-column h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 12px;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-column a:hover {
  color: white;
}

.footer-social {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.2s;
}

.footer-social-link:hover {
  border-color: white;
  color: white;
  background: rgba(255, 255, 255, 0.1);
}

.footer-social-link svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: white;
}

/* ==================== MODAL ==================== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 32px;
  height: 32px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-light);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.modal-close:hover {
  background: var(--border);
}

.modal-header {
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.modal-body {
  padding: 32px;
}

.modal-section {
  margin-bottom: 28px;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section h3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.modal-section p {
  color: var(--text-light);
  line-height: 1.7;
}

.modal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.modal-stat {
  text-align: center;
  padding: 20px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
}

.modal-stat .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.modal-stat .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-cta {
  padding: 24px 32px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
}

.modal-cta .btn {
  flex: 1;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-metrics {
    flex-wrap: wrap;
    gap: 0;
  }
  
  .hero-metric {
    flex: 0 0 50%;
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
  }
  
  .hero-metric:nth-child(odd) {
    border-right: 1px solid var(--border);
  }
  
  .hero-metric:nth-last-child(-n+2) {
    border-bottom: none;
  }
  
  .hero-metric-divider {
    display: none;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
  
  .footer-content > .footer-column:last-child {
    grid-column: span 2;
  }
  
  .crypto-card {
    width: 180px;
    height: 260px;
  }
  
  .crypto-qr {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 768px) {
  /* Ocultar elementos en movil */
  .hide-mobile {
    display: none !important;
  }
  
  .nav-container {
    position: relative;
  }
  
  .nav-links {
    display: none !important;
  }
  
  .nav-cta {
    display: none !important;
  }
  
  .lang-switch {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    order: 3;
  }
  
  .mobile-menu-btn span {
    display: block !important;
    width: 24px;
    height: 2.5px;
    background: var(--text);
    margin: 3px 0;
  }
  
  .mobile-menu {
    display: block;
  }
  
  .mobile-menu-overlay {
    display: none;
  }
  
  .mobile-menu-overlay.active {
    display: block;
  }
  
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-main {
    margin-bottom: 48px;
  }
  
  .hero-title {
    font-size: 2.25rem;
    letter-spacing: -1px;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-lg {
    width: 100%;
    max-width: 280px;
  }
  
  .hero-metrics {
    flex-direction: column;
    gap: 0;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
  }
  
  .hero-metric {
    flex: none;
    width: 100%;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    border-right: none !important;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
  }
  
  .hero-metric:last-of-type {
    border-bottom: none;
  }
  
  .hero-metric-value {
    font-size: 1.75rem;
    order: 2;
  }
  
  .hero-metric-label {
    order: 1;
  }
  
  .hero-clients {
    margin-top: 40px;
  }
  
  .hero-tech-list {
    gap: 8px;
  }
  
  .hero-tech {
    padding: 8px 14px;
    font-size: 0.8rem;
  }
  
  .treasury-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .treasury-stats {
    flex-direction: row;
    gap: 30px;
  }
  
  .project-tabs {
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 8px;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  
  .project-tab {
    padding: 8px 14px;
    font-size: 0.8rem;
    white-space: nowrap;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .project-card {
    padding: 18px;
  }
  
  .project-title {
    font-size: 1rem;
    margin-bottom: 10px;
  }
  
  .project-description {
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .project-tech {
    margin-bottom: 12px;
    gap: 4px;
  }
  
  .tech-tag {
    font-size: 0.7rem;
    padding: 3px 8px;
  }
  
  .service-card {
    padding: 18px;
  }
  
  .service-icon {
    font-size: 0.65rem;
    padding: 6px 12px;
    margin-bottom: 12px;
  }
  
  .service-card h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
  }
  
  .service-card p {
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .crypto-cards {
    gap: 12px;
  }
  
  .crypto-card {
    width: 160px;
    height: 240px;
  }
  
  .crypto-logo {
    width: 56px;
    height: 56px;
    margin-bottom: 14px;
  }
  
  .crypto-name {
    font-size: 1rem;
  }
  
  .crypto-qr {
    width: 100px;
    height: 100px;
    margin-bottom: 12px;
  }
  
  .crypto-address {
    font-size: 0.6rem;
  }
  
  .crypto-copy {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  
  .footer-brand {
    grid-column: auto;
    text-align: center;
  }
  
  .footer-brand p {
    max-width: 100%;
    margin: 16px auto 0;
  }
  
  .footer-column {
    text-align: center;
  }
  
  .footer-column h4 {
    margin-bottom: 16px;
  }
  
  .footer-column ul {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
  }
  
  .footer-column li {
    margin-bottom: 0;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding-top: 24px;
  }
  
  .footer-legal {
    justify-content: center;
    gap: 16px;
  }
  
  .modal-stats {
    grid-template-columns: 1fr;
  }
  
  .modal-cta {
    flex-direction: column;
  }
  
  .investor-card {
    padding: 28px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.875rem;
  }
  
  section {
    padding: 60px 0;
  }
  
  /* En pantallas muy pequeñas, 1 proyecto por fila */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .project-card {
    padding: 20px;
  }
  
  .project-title {
    font-size: 1rem;
  }
  
  .project-description {
    font-size: 0.85rem;
    -webkit-line-clamp: 3;
  }
  
  .service-card {
    padding: 20px;
  }
  
  .service-card h3 {
    font-size: 1rem;
  }
  
  .service-card p {
    font-size: 0.85rem;
    -webkit-line-clamp: 3;
  }
  
  .crypto-cards {
    gap: 12px;
  }
  
  .crypto-card {
    width: 145px;
    height: 220px;
  }
  
  .crypto-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
  }
  
  .crypto-name {
    font-size: 0.9rem;
  }
  
  .crypto-symbol {
    font-size: 0.75rem;
  }
  
  .crypto-hint {
    font-size: 0.7rem;
    bottom: 14px;
  }
  
  .crypto-qr {
    width: 90px;
    height: 90px;
    padding: 8px;
    margin-bottom: 10px;
  }
  
  .crypto-address {
    font-size: 0.55rem;
    line-height: 1.4;
  }
  
  .crypto-copy {
    padding: 5px 12px;
    font-size: 0.75rem;
    margin-top: 10px;
  }
  
  .treasury-stats {
    flex-direction: column;
    gap: 16px;
  }
  
  .section-header {
    margin-bottom: 40px;
  }
}

/* ==================== PAGE HEADER ==================== */
.page-header {
  padding: 140px 0 60px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--primary);
  margin-bottom: 16px;
}

.page-description {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
}

/* ==================== SERVICES FULL PAGE ==================== */
.services-full {
  padding: 80px 0;
  background: var(--bg-alt);
}

.services-grid-full {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card-full {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
}

.service-card-full:hover {
  border-color: var(--border-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.service-icon-lg {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 12px 16px;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.service-card-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.service-description {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  margin-bottom: 24px;
  flex: 1;
}

.service-features li {
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.9rem;
  color: var(--text-light);
}

.service-features li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.service-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.service-price {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.service-cta {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: var(--primary);
}

.cta-content {
  text-align: center;
  color: white;
}

.cta-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  font-size: 1.1rem;
}

.cta-content .btn-primary {
  background: white;
  color: var(--primary);
}

.cta-content .btn-primary:hover {
  background: var(--bg-alt);
}

@media (max-width: 1024px) {
  .services-grid-full {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .services-grid-full {
    grid-template-columns: 1fr;
  }
  
  .page-header {
    padding: 120px 0 40px;
  }
  
  .page-title {
    font-size: 2rem;
  }
}

/* ==================== MOBILE FIRST REDESIGN ==================== */
@media (max-width: 768px) {
  /* Mejorar navbar movil */
  .nav-container {
    height: 64px;
    padding: 0 16px;
  }
  
  .nav-logo {
    font-size: 1.35rem;
    font-weight: 800;
  }
  
  .lang-switch {
    margin-left: 8px;
    margin-right: 8px;
  }
  
  .lang-flag svg {
    width: 28px;
    height: 21px;
  }
  
  /* Hero mejorado para movil */
  .hero {
    padding: 100px 0 50px;
  }
  
  .hero-main {
    margin-bottom: 32px;
  }
  
  .hero-badge {
    padding: 6px 12px;
    font-size: 0.75rem;
    margin-bottom: 20px;
  }
  
  .hero-title {
    font-size: 2rem;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
  }
  
  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 24px;
    padding: 0 8px;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: 12px;
    padding: 0 16px;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .btn-lg {
    padding: 14px 24px;
    font-size: 0.95rem;
  }
  
  /* Metricas en grid 2x2 para movil */
  .hero-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 0;
    margin: 32px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
  }
  
  .hero-metric {
    padding: 20px 16px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .hero-metric:nth-child(2n) {
    border-right: none;
  }
  
  .hero-metric:nth-last-child(-n+2) {
    border-bottom: none;
  }
  
  .hero-metric-divider {
    display: none;
  }
  
  .hero-metric-value {
    font-size: 1.5rem;
    margin-bottom: 4px;
    order: 1;
  }
  
  .hero-metric-label {
    font-size: 0.7rem;
    order: 2;
  }
  
  /* Tecnologias */
  .hero-clients {
    margin-top: 24px;
    padding: 0 8px;
  }
  
  .hero-clients-label {
    font-size: 0.65rem;
    margin-bottom: 12px;
  }
  
  .hero-tech-list {
    gap: 6px;
  }
  
  .hero-tech {
    padding: 6px 12px;
    font-size: 0.75rem;
  }
  
  /* Secciones generales */
  section {
    padding: 60px 0;
  }
  
  .container {
    padding: 0 16px;
  }
  
  .section-header {
    margin-bottom: 32px;
  }
  
  .section-tag {
    font-size: 0.7rem;
    margin-bottom: 12px;
  }
  
  .section-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
  }
  
  .section-description {
    font-size: 0.95rem;
  }
  
  /* Treasury / Fondo de Impacto */
  .treasury {
    padding: 50px 0;
  }
  
  .treasury-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .treasury-info h2 {
    font-size: 1.5rem;
  }
  
  .treasury-stats {
    flex-direction: row;
    gap: 24px;
    margin-top: 24px;
  }
  
  .treasury-stat-value {
    font-size: 1.75rem;
  }
  
  .investor-card {
    padding: 24px;
  }
  
  .investor-card h3 {
    font-size: 1.1rem;
  }
  
  .investor-benefits li {
    font-size: 0.85rem;
    padding: 6px 0;
  }
  
  /* Proyectos */
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .project-card {
    padding: 14px;
  }
  
  .project-header {
    margin-bottom: 10px;
  }
  
  .project-category {
    font-size: 0.6rem;
  }
  
  .project-badge {
    font-size: 0.55rem;
    padding: 2px 6px;
  }
  
  .project-title {
    font-size: 0.9rem;
    margin-bottom: 6px;
    line-height: 1.2;
  }
  
  .project-description {
    display: none;
  }
  
  .project-tech {
    margin-bottom: 10px;
    gap: 3px;
  }
  
  .tech-tag {
    font-size: 0.6rem;
    padding: 2px 5px;
  }
  
  .project-footer {
    padding-top: 10px;
  }
  
  .progress-text {
    font-size: 0.65rem;
  }
  
  .progress-bar {
    height: 3px;
  }
  
  .project-link {
    font-size: 0.7rem;
  }
  
  /* Servicios */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .service-card {
    padding: 14px;
  }
  
  .service-icon {
    font-size: 0.55rem;
    padding: 5px 8px;
    margin-bottom: 10px;
  }
  
  .service-card h3 {
    font-size: 0.85rem;
    margin-bottom: 6px;
  }
  
  .service-card p {
    font-size: 0.75rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
  }
  
  .service-link {
    font-size: 0.7rem;
  }
  
  /* Donaciones Crypto */
  .donate {
    padding: 50px 0;
  }
  
  .crypto-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .crypto-card {
    width: 100%;
    height: 160px;
  }
  
  .crypto-logo {
    width: 36px;
    height: 36px;
    margin-bottom: 8px;
  }
  
  .crypto-name {
    font-size: 0.8rem;
  }
  
  .crypto-symbol {
    font-size: 0.65rem;
  }
  
  .crypto-hint {
    font-size: 0.6rem;
    bottom: 10px;
  }
  
  .crypto-qr {
    width: 65px;
    height: 65px;
    padding: 4px;
    margin-bottom: 6px;
  }
  
  .crypto-address {
    font-size: 0.45rem;
    padding: 0 6px;
    line-height: 1.2;
  }
  
  .crypto-copy {
    padding: 4px 8px;
    font-size: 0.65rem;
    margin-top: 6px;
  }
  
  /* Contacto */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contact-info p {
    font-size: 0.95rem;
  }
  
  .contact-methods {
    gap: 12px;
  }
  
  .contact-method {
    padding: 16px;
  }
  
  .contact-method h4 {
    font-size: 0.9rem;
  }
  
  .contact-method p {
    font-size: 0.8rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .form-group label {
    font-size: 0.8rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px 14px;
    font-size: 0.9rem;
  }
  
  /* Footer */
  .footer {
    padding: 40px 0 20px;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    text-align: left;
  }
  
  .footer-brand {
    grid-column: span 2;
    text-align: center;
    margin-bottom: 8px;
  }
  
  .footer-brand p {
    font-size: 0.8rem;
    max-width: 100%;
    margin: 12px auto 0;
  }
  
  .footer-column h4 {
    font-size: 0.75rem;
    margin-bottom: 10px;
  }
  
  .footer-column ul li {
    margin-bottom: 4px;
  }
  
  .footer-column ul a {
    font-size: 0.8rem;
  }
  
  .footer-social {
    justify-content: flex-start;
    gap: 8px;
  }
  
  .footer-social-link {
    width: 36px;
    height: 36px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    padding-top: 16px;
    text-align: center;
  }
  
  .footer-bottom p {
    font-size: 0.75rem;
  }
  
  .footer-legal {
    justify-content: center;
    gap: 16px;
  }
  
  .footer-legal a {
    font-size: 0.75rem;
  }
  
  /* Modal responsive */
  .modal-content {
    width: 95%;
    max-height: 90vh;
    margin: 5vh auto;
  }
  
  .modal-header {
    padding: 20px;
  }
  
  .modal-header h2 {
    font-size: 1.25rem;
  }
  
  .modal-body {
    padding: 20px;
  }
  
  .modal-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .modal-stat {
    padding: 16px;
  }
  
  .modal-cta {
    flex-direction: column;
    gap: 12px;
  }
  
  .modal-cta .btn {
    width: 100%;
  }
}

/* Tablets */
@media (min-width: 769px) and (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-metrics {
    gap: 0;
  }
  
  .hero-metric {
    padding: 0 24px;
  }
  
  .treasury-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .crypto-cards {
    gap: 16px;
  }
  
  .crypto-card {
    width: 150px;
    height: 220px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* ==================== MOBILE IMPROVEMENTS ==================== */
@media (max-width: 480px) {
  /* Proyectos como tarjetas compactas */
  .project-card {
    padding: 16px;
    border-radius: 8px;
  }
  
  .project-header {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
  }
  
  .project-category {
    font-size: 0.65rem;
  }
  
  .project-badge {
    font-size: 0.6rem;
    padding: 3px 8px;
  }
  
  .project-title {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .project-description {
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .project-tech {
    margin-bottom: 16px;
    gap: 4px;
  }
  
  .tech-tag {
    font-size: 0.65rem;
    padding: 3px 8px;
  }
  
  .project-footer {
    padding-top: 12px;
  }
  
  .progress-text {
    font-size: 0.7rem;
  }
  
  .project-link {
    font-size: 0.75rem;
  }
  
  /* Treasury compacto */
  .treasury {
    padding: 40px 0;
  }
  
  .treasury-info .section-title {
    font-size: 1.35rem;
  }
  
  .treasury-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
  }
  
  .treasury-stat {
    text-align: center;
    padding: 12px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
  }
  
  .treasury-stat-value {
    font-size: 1.25rem;
  }
  
  .treasury-stat-label {
    font-size: 0.7rem;
  }
  
  .investor-card {
    padding: 20px;
  }
  
  .investor-tag {
    font-size: 0.65rem;
  }
  
  .investor-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
  }
  
  .investor-card p {
    font-size: 0.85rem;
    margin-bottom: 16px;
  }
  
  .investor-benefits {
    margin-bottom: 16px;
  }
  
  .investor-benefits li {
    font-size: 0.8rem;
    padding: 5px 0;
  }
  
  /* Servicios compactos */
  .service-card {
    padding: 18px 16px;
  }
  
  .service-icon {
    font-size: 0.6rem;
    padding: 6px 10px;
    margin-bottom: 14px;
  }
  
  .service-card h3 {
    font-size: 0.95rem;
    margin-bottom: 8px;
  }
  
  .service-card p {
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .service-link {
    font-size: 0.75rem;
  }
  
  /* Crypto cards mas pequenas */
  .crypto-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  
  .crypto-card {
    width: 100%;
    height: 180px;
  }
  
  .crypto-logo {
    width: 40px;
    height: 40px;
    margin-bottom: 8px;
  }
  
  .crypto-name {
    font-size: 0.85rem;
  }
  
  .crypto-symbol {
    font-size: 0.65rem;
  }
  
  .crypto-hint {
    font-size: 0.6rem;
    bottom: 10px;
  }
  
  .crypto-qr {
    width: 70px;
    height: 70px;
    padding: 5px;
    margin-bottom: 6px;
  }
  
  .crypto-address {
    font-size: 0.45rem;
    line-height: 1.2;
  }
  
  .crypto-copy {
    padding: 4px 8px;
    font-size: 0.65rem;
    margin-top: 6px;
  }
  
  /* Formulario de contacto */
  .contact-form {
    padding: 24px 20px;
  }
  
  .form-group {
    margin-bottom: 16px;
  }
  
  .form-group label {
    font-size: 0.8rem;
    margin-bottom: 6px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 10px 12px;
    font-size: 0.9rem;
  }
  
  /* Botones */
  .btn {
    padding: 10px 20px;
    font-size: 0.85rem;
  }
  
  .btn-lg {
    padding: 12px 20px;
    font-size: 0.9rem;
  }
  
  /* Secciones */
  section {
    padding: 50px 0;
  }
  
  .section-header {
    margin-bottom: 28px;
  }
  
  .section-tag {
    font-size: 0.65rem;
    margin-bottom: 10px;
  }
  
  .section-title {
    font-size: 1.35rem;
    margin-bottom: 10px;
  }
  
  .section-description {
    font-size: 0.9rem;
  }
}