/* ==============================================================================
   Hero Section Styles (T018, T021)
   ============================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
}

/* Hero Background (T020) */
.hero__background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.3;
  background-image: url('../assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* WebP support via picture element */
@supports (background-image: url('test.webp')) {
  .hero__background {
    background-image: url('../assets/images/hero-bg.webp');
  }
}

/* Hero Content */
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--spacing-4);
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hero Title */
.hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-3);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation-delay: 0.2s;
}

/* Hero Tagline */
.hero__tagline {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero CTA */
.hero__cta {
  margin-bottom: var(--spacing-4);
}

/* Button Styles */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-text-inverse);
  padding: var(--spacing-2) var(--spacing-4);
  box-shadow: var(--shadow-md);
}

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

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn--primary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn--large {
  font-size: var(--font-size-lg);
  padding: var(--spacing-3) var(--spacing-6);
}

/* Hero Badges */
.hero__badge {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: center;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-background);
  color: var(--color-text);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

/* Scroll Indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--spacing-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-1);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  animation: bounce 2s infinite;
  z-index: 2;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Responsive Design (Mobile-First) (T021)
   ============================================================================== */

/* Tablet (768px+) */
@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .hero__tagline {
    font-size: var(--font-size-xl);
  }

  .hero__content {
    padding: var(--spacing-6);
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }

  .hero__background {
    opacity: 0.4;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .hero__content {
    animation: none;
  }

  .hero__scroll-indicator {
    animation: none;
  }

  .btn {
    transition: none;
  }

  .btn--primary:hover {
    transform: none;
  }
}