/* ========================================
   DUSTLESS GDL - Professional Landing Page
   Color Palette: Green + Blue + Dark
   ======================================== */

:root {
  --green: #15B55D;
  --green-dark: #0E8C47;
  --blue: #0A84FF;
  --blue-dark: #0066CC;
  --gradient: linear-gradient(135deg, #15B55D, #0A84FF);
  --gradient-hover: linear-gradient(135deg, #0E8C47, #0066CC);
  --dark: #0A0E17;
  --dark-2: #111827;
  --dark-3: #1A2332;
  --dark-card: #151D2B;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --white: #FFFFFF;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 20px 40px -12px rgba(0,0,0,0.3);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--dark);
  color: var(--gray-200);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* CONTAINER */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 2px;
}
.logo-dust {
  color: var(--white);
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-sep {
  color: var(--gray-500);
  font-weight: 300;
  margin: 0 3px;
  opacity: 0.5;
}
.logo-gdl {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 1px;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-menu a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-300);
  transition: color 0.2s;
}
.nav-menu a:hover { color: var(--white); }
.nav-cta {
  background: var(--gradient);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-weight: 600 !important;
  transition: transform 0.2s, box-shadow 0.2s !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(21, 181, 93, 0.3);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s;
  border-radius: 2px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('assets/img/hero-equipo.jpeg') center/cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,14,23,0.92) 0%, rgba(10,14,23,0.75) 50%, rgba(10,14,23,0.88) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 0 80px;
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  background: rgba(21, 181, 93, 0.1);
  border: 1px solid rgba(21, 181, 93, 0.3);
  color: var(--green);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: var(--font);
}
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(21, 181, 93, 0.25);
}
.btn-primary:hover {
  background: var(--gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(21, 181, 93, 0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.2);
}
.btn-outline:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.05);
}
.btn-lg { padding: 16px 40px; font-size: 1rem; }
.btn-full { width: 100%; }

/* ========== SECTIONS ========== */
.section {
  padding: 100px 0;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 560px;
  margin-bottom: 48px;
}

/* ========== SERVICIOS ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.4s ease;
}
.service-card:hover {
  border-color: rgba(21, 181, 93, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg {
  width: 24px;
  height: 24px;
  color: var(--white);
}
.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ========== VENTAJAS ========== */
.ventajas {
  background: var(--dark-2);
}
.ventajas-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ventajas-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.ventajas-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ventajas-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}
.ventaja-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ventaja-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.ventaja-icon svg {
  width: 14px;
  height: 14px;
  color: var(--white);
}
.ventaja-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.ventaja-item p {
  font-size: 0.88rem;
  color: var(--gray-400);
  line-height: 1.5;
}

/* ========== GALERIA ========== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
}
.gallery-item--wide {
  grid-column: span 2;
  aspect-ratio: 2/1;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,14,23,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-overlay span {
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: 60px 0;
}
.cta-box {
  background: var(--gradient);
  border-radius: var(--radius-lg);
  padding: 64px;
  text-align: center;
}
.cta-box h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.cta-box p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-actions .btn-primary {
  background: var(--white);
  color: var(--dark);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.cta-actions .btn-primary:hover {
  background: var(--gray-100);
}
.cta-actions .btn-outline {
  border-color: rgba(255,255,255,0.4);
}
.cta-actions .btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

/* ========== CONTACTO ========== */
.contacto {
  background: var(--dark-2);
}
.contacto-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
.contacto-info p {
  color: var(--gray-400);
  margin-bottom: 32px;
  font-size: 1.05rem;
  line-height: 1.7;
}
.contacto-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contacto-detail {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contacto-detail-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(21, 181, 93, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contacto-detail-icon svg {
  width: 22px;
  height: 22px;
  color: var(--green);
}
.detail-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}
.contacto-detail a {
  color: var(--white);
  font-weight: 500;
  transition: color 0.2s;
}
.contacto-detail a:hover { color: var(--green); }
.contacto-detail span:not(.detail-label) {
  color: var(--gray-300);
  font-weight: 500;
}
.whatsapp-icon { background: rgba(37, 211, 102, 0.1); }
.whatsapp-icon svg { color: #25D366; }
.whatsapp-coming-soon {
  color: var(--gray-500) !important;
  font-style: italic;
  font-size: 0.9rem;
}

/* Form */
.contacto-form-wrap {
  background: var(--dark-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-300);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--dark-2);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(21, 181, 93, 0.15);
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
  cursor: pointer;
}
.form-group select option {
  background: var(--dark-2);
  color: var(--white);
}
.form-group textarea {
  resize: vertical;
  min-height: 110px;
}
.form-note {
  text-align: center;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ========== FOOTER ========== */
.footer {
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}
.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.footer-links a,
.footer-links span {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-500);
  margin-bottom: 10px;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--green); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.3s, box-shadow 0.3s;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}
.whatsapp-float svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

/* ========== ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.revealed {
  opacity: 1;
  transform: translateY(0);
}
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.15s; }
.service-card:nth-child(5) { transition-delay: 0.25s; }
.service-card:nth-child(6) { transition-delay: 0.35s; }
.ventaja-item:nth-child(2) { transition-delay: 0.1s; }
.ventaja-item:nth-child(3) { transition-delay: 0.2s; }
.ventaja-item:nth-child(4) { transition-delay: 0.3s; }
.ventaja-item:nth-child(5) { transition-delay: 0.4s; }
.gallery-item:nth-child(2) { transition-delay: 0.05s; }
.gallery-item:nth-child(3) { transition-delay: 0.1s; }
.gallery-item:nth-child(4) { transition-delay: 0.15s; }
.gallery-item:nth-child(5) { transition-delay: 0.2s; }
.gallery-item:nth-child(6) { transition-delay: 0.25s; }
.gallery-item:nth-child(7) { transition-delay: 0.3s; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .ventajas-layout { grid-template-columns: 1fr; gap: 48px; }
  .ventajas-img { max-height: 400px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item--wide { grid-column: span 2; }
  .contacto-layout { grid-template-columns: 1fr; gap: 48px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--dark-2);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 40px;
    transition: right 0.3s ease;
    border-left: 1px solid rgba(255,255,255,0.06);
  }
  .nav-menu.active { right: 0; }
  .nav-menu a { font-size: 1.1rem; }
  .nav-cta { text-align: center; }

  .hero-content { padding: 100px 0 60px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .stat-number { font-size: 1.5rem; }

  .section { padding: 72px 0; }
  .services-grid { grid-template-columns: 1fr; }

  .gallery-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .gallery-item--wide { grid-column: span 2; }

  .cta-box { padding: 40px 24px; }

  .form-row { grid-template-columns: 1fr; }
  .contacto-form-wrap { padding: 28px 20px; }

  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .hero-stats { justify-content: center; }
  .stat-divider { display: none; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; }
}