/* ============================================
   ROBERT I.A. DIGITAL - Portafolio Público
   Estilos principales
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: #12121f;
  --bg-card-hover: #1a1a2e;
  --color-primary: #00d4ff;
  --color-secondary: #00ff88;
  --color-accent: #7c3aed;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: rgba(0, 212, 255, 0.15);
  --color-border-hover: rgba(0, 212, 255, 0.4);
  --glow-primary: 0 0 20px rgba(0, 212, 255, 0.3);
  --glow-secondary: 0 0 20px rgba(0, 255, 136, 0.3);
  --glow-accent: 0 0 20px rgba(124, 58, 237, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--color-text);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--color-primary); border-radius: 3px; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.navbar-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.navbar-logo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.navbar-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.navbar-subtitle {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.4rem 0.75rem;
  border-radius: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.08);
}

.btn-nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #000 !important;
  font-weight: 600;
  padding: 0.4rem 1rem !important;
  border-radius: 20px !important;
}

.btn-nav-cta:hover {
  box-shadow: var(--glow-primary);
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)) !important;
}

/* Hamburger */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.navbar-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile nav */
.navbar-menu {
  display: flex;
}

@media (max-width: 768px) {
  .navbar-toggle { display: flex; }
  .navbar-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    flex-direction: column;
  }
  .navbar-menu.open { display: flex; }
  .navbar-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    width: 100%;
  }
  .nav-link {
    padding: 0.6rem 1rem;
    text-align: center;
  }
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 1.5rem 2rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 70%, rgba(0, 255, 136, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 0.8s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--color-primary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary) 50%, var(--color-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #000;
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-outline:hover {
  background: rgba(0, 212, 255, 0.08);
  box-shadow: var(--glow-primary);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  justify-content: center;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.25rem;
}

/* ---- SECTIONS ---- */
.section {
  padding: 5rem 1.5rem;
}

.section-alt {
  background: var(--bg-secondary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-tag {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  color: white;
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
}

/* ---- EMPTY STATE ---- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ---- FILTER TABS ---- */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---- GRID ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

/* ---- CARDS ---- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), var(--glow-primary);
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--bg-secondary);
  display: block;
}

.card-img-logo {
  aspect-ratio: 1/1;
  object-fit: contain;
  padding: 1rem;
  background: var(--bg-secondary);
}

.card-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-border);
}

.card-img-placeholder-logo {
  aspect-ratio: 1/1;
}

.card-body {
  padding: 1.25rem;
}

.card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.4rem;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-btn {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-btn:hover {
  background: rgba(0, 212, 255, 0.1);
}

.card-btn-wa {
  background: linear-gradient(135deg, #25D366, #128C7E);
  border: none;
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-btn-wa:hover {
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transform: translateY(-1px);
}

.featured-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ---- LOGO CARDS ---- */
.logo-card {
  cursor: pointer;
}

.logo-card .card-img {
  aspect-ratio: 1/1;
  object-fit: contain;
  padding: 1.5rem;
}

/* ---- VIDEO CARDS ---- */
.video-thumb-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  cursor: pointer;
  background: #000;
}

.video-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-secondary), #1a1a3e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.video-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.video-play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 1.3rem;
  transition: var(--transition);
  padding-left: 3px;
}

.video-thumb-container:hover .video-play-btn {
  background: var(--color-primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
  transform: scale(1.1);
}

.video-thumb-container:hover .video-thumb {
  transform: scale(1.03);
}

/* ---- WEB CARDS ---- */
.web-card .card-img {
  aspect-ratio: 16/9;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.5rem;
}

.tech-tag {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--color-primary);
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
}

/* ---- SERVICES ---- */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-secondary));
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.service-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  display: block;
  border: 2px solid var(--color-border);
}

.service-name {
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.6rem;
}

.service-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.btn-wa-service {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: var(--transition);
}

.btn-wa-service:hover {
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
}

/* ---- ABOUT ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.highlight-item {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.highlight-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.highlight-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: white;
}

.highlight-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.about-visual {
  position: relative;
}

.about-card-visual {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
}

.about-logo-visual {
  width: 100px;
  height: 100px;
  border-radius: 20px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
  color: white;
}

.about-brand-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.4rem;
}

.about-brand-slogan {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.skill-tag {
  background: rgba(124, 58, 237, 0.1);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: #a78bfa;
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 10px;
}

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

/* ---- CONTACT ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

.contact-info p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.contact-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-cta {
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}

.contact-cta h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
}

.contact-cta p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.btn-wa-large {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  transition: var(--transition);
  margin-bottom: 1rem;
  width: 100%;
  justify-content: center;
}

.btn-wa-large:hover {
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.contact-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

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

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 3rem 1.5rem 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 300px;
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-made {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-made span {
  color: var(--color-primary);
}

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

/* ---- WHATSAPP FLOAT ---- */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366, #128C7E);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition: var(--transition);
  animation: pulse-wa 2s infinite;
}

.wa-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8); }
}

/* ---- MODAL / LIGHTBOX ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--color-border);
  animation: modalIn 0.3s ease both;
}

@keyframes modalIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255,255,255,0.1);
}

.modal-img {
  max-width: 80vw;
  max-height: 70vh;
  display: block;
  object-fit: contain;
}

.modal-info {
  padding: 1.25rem;
}

.modal-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.4rem;
}

.modal-info p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Video modal */
.modal-video-content {
  width: min(90vw, 900px);
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.modal-video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
}

.modal-video-wrapper iframe,
.modal-video-wrapper video {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.modal-video-info {
  padding: 1.25rem;
  background: var(--bg-card);
}

.modal-video-info h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.3rem;
}

.modal-video-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- UTILITY ---- */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: #a78bfa; }
.text-muted { color: var(--color-text-muted); }

.hidden { display: none !important; }

/* Responsive */
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { gap: 1.5rem; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}