/* Components - Buttons, Cards, Forms, Navigation */

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-decoration: none;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-neutral-50);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-neutral-50);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-elevated);
  border-bottom: var(--border-width) solid var(--border-light);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  text-decoration: none;
}

.logo-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-link {
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  transition: color var(--transition-fast);
  padding: var(--space-2) 0;
  text-decoration: none;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.theme-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-tertiary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.theme-toggle:hover {
  background-color: var(--color-primary);
  color: var(--color-neutral-50);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-elevated);
  padding: var(--space-6);
  opacity: 0;
  transform: translateY(-20px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.mobile-nav.is-open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4);
  color: var(--text-primary);
  font-weight: var(--font-medium);
  border-bottom: var(--border-width) solid var(--border-light);
  text-decoration: none;
}

/* HERO */
.hero {
  position: relative;
  padding: var(--space-24) 0;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-headline {
  font-size: var(--text-6xl);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subheadline {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

/* CARDS */
.service-card {
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary);
}

.service-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
  color: var(--color-neutral-50);
}

.service-card h3 {
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
}

.case-card {
  background-color: var(--bg-elevated);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background-color: var(--bg-tertiary);
  border: var(--border-width) solid var(--border-light);
}

.embed--pbi {
  aspect-ratio: 1140 / 541.25;
}

.embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.case-thumbnail {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-tertiary);
}

.case-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-thumbnail img {
  transform: scale(1.05);
}

.case-content {
  padding: var(--space-8);
}

.stat-card {
  text-align: center;
  padding: var(--space-10);
  background-color: var(--bg-elevated);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.stat-number {
  font-size: var(--text-6xl);
  font-weight: var(--font-extrabold);
  line-height: 1;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.whatsapp-float {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: var(--shadow-xl);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-2xl);
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-headline {
    font-size: var(--text-4xl);
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}