/* ============================================
   LAYOUT.CSS
   Navbar, Footer, Grid, Sections
   ============================================ */

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
  padding: 1rem 0;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: var(--glass-blur);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 0.75rem 0;
}

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

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-logo img {
  height: 40px;
  width: auto;
}

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

.navbar-menu a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

.navbar-menu a:hover::after {
  width: 100%;
}

.navbar-menu a.active {
  color: var(--color-primary);
}

.navbar-cta {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: var(--color-white);
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(18, 163, 196, 0.3);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(18, 163, 196, 0.4);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  background: none;
  padding: 0;
  gap: 4px;
}

.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

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

/* ===== FOOTER ===== */
footer {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--section-padding);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
  margin: 0;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-accent);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  line-height: 1.8;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-white);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 2rem;
  text-align: center;
}

.footer-divider p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  margin: 0;
}

/* ===== GRID SYSTEM ===== */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

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

/* ===== SECTIONS ===== */
section {
  position: relative;
}

.section-padding {
  padding: var(--section-padding);
}

.section-padding-sm {
  padding: 60px 0;
}

.section-padding-lg {
  padding: 120px 0;
}

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

.section-title h2 {
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 2px;
}

.section-title p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-top: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-bg-light {
  background: var(--color-off-white);
}

.section-bg-gradient {
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(10,110,138,0.08) 0%, transparent 70%),
    radial-gradient(ellipse at 80% 20%, rgba(18,163,196,0.06) 0%, transparent 70%),
    var(--color-off-white);
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb span {
  color: var(--color-text-muted);
}

/* ===== FEATURE HIGHLIGHT ===== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 4rem;
}

.feature-row:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}

.feature-row:nth-child(even) .feature-image {
  order: -1;
}

.feature-image {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-content h3 {
  margin-bottom: 1rem;
}

.feature-content ul {
  list-style: none;
  margin: 0;
}

.feature-content li {
  margin-bottom: 1rem;
  padding-left: 28px;
  position: relative;
}

.feature-content li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-green);
  font-weight: bold;
  font-size: 1.2rem;
}

/* ===== FLOATING ELEMENTS ===== */
.floating-cta {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-white);
  box-shadow: var(--shadow-3d);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
}

.floating-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-hover);
}

.floating-whatsapp {
  background: var(--color-green);
}

.floating-phone {
  background: var(--color-primary);
}

/* ===== UTILITY SPACING ===== */
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.px-1 { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }

.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }