/* ============================================
   Hero Section - Parallax Full-Screen Landing

   CONFIGURATION GUIDE: See docs/HERO_PAGE_CONFIG.md
   for comprehensive documentation including timing
   adjustments, positioning, font sizes, and troubleshooting.
   ============================================ */

/* Hero Section Container - Extends behind header */
.hero-section {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0 !important;
  padding-top: 0 !important;
}

/* Parallax Background Image */
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 120vh;
  background-image: url('/assets/images/landscape1.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  transform: translateZ(0);
  will-change: transform;
  z-index: -1;  /* Behind everything */
}

/* Dark mode - use landscape2 */
[data-md-color-scheme="slate"] .hero-background {
  background-image: url('/assets/images/landscape2.png');
  filter: brightness(0.7);
}

/* Gradient Overlay - Fades to Content */
.hero-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(
    to bottom,
    rgba(244, 240, 230, 0) 0%,
    rgba(244, 240, 230, 0.3) 30%,
    rgba(244, 240, 230, 0.7) 60%,
    rgba(244, 240, 230, 0.95) 85%,
    rgba(244, 240, 230, 1) 100%
  );
  z-index: 1;
  pointer-events: none;
}

/* Dark mode gradient */
[data-md-color-scheme="slate"] .hero-gradient {
  background: linear-gradient(
    to bottom,
    rgba(26, 31, 26, 0) 0%,
    rgba(26, 31, 26, 0.3) 30%,
    rgba(26, 31, 26, 0.7) 60%,
    rgba(26, 31, 26, 0.95) 85%,
    rgba(26, 31, 26, 1) 100%
  );
}

/* Hero Content */
.hero-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  pointer-events: none;  /* Let clicks pass through to background */
}

.hero-content * {
  pointer-events: auto;  /* But enable clicks on actual content */
}

/* Hero text container */
.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Primary title - centered, slides up and fades */
.hero-title--primary {
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 700;
  color: #ffffff;
  margin: 0;
  line-height: 1.2;
  text-shadow: 2px 2px 12px rgba(0, 0, 0, 0.9);
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.2s ease, transform 0.2s ease;
  will-change: opacity, transform;
  z-index: 2;
}

/* Secondary title - positioned below header, appears early */
.hero-title--secondary {
  position: absolute;
  top: 60vh;  /* Position lower in viewport */
  left: 50%;
  transform: translateX(-50%);
  font-size: clamp(1.5rem, 3.5vw, 3rem);
  font-weight: 600;
  color: #ffffff;
  margin: 0;
  line-height: 1.3;
  text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.9);
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.4s ease;
  opacity: 0;
  z-index: 10;
  padding: 0 2rem;
  pointer-events: none;
}

[data-md-color-scheme="slate"] .hero-title--primary,
[data-md-color-scheme="slate"] .hero-title--secondary {
  color: #ffffff;
  text-shadow: 3px 3px 15px rgba(0, 0, 0, 0.95);
}

/* Remove unused button styles */

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bounce 2s infinite;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.hero-scroll-indicator:hover {
  opacity: 1;
}

.scroll-text {
  font-size: 0.875rem;
  color: var(--md-typeset-color);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

[data-md-color-scheme="slate"] .scroll-text {
  color: var(--md-default-fg-color);
}

.scroll-icon {
  width: 24px;
  height: 24px;
  fill: var(--md-primary-fg-color);
}

/* Base header should always be fixed */
.md-header {
  position: fixed !important;
  top: 0 !important;
  z-index: 100 !important;
}

/* Ensure navigation drawer appears above hero elements */
.md-overlay {
  z-index: 150 !important; /* Overlay backdrop */
}

.md-sidebar--primary {
  z-index: 200 !important; /* Navigation drawer */
}

.md-sidebar--primary .md-sidebar__scrollwrap {
  z-index: 200 !important;
}

/* Hero page only - glassmorphism navigation drawer */
body:has(.hero-section) .md-sidebar--primary,
body:has(.hero-section) .md-sidebar--primary *,
body:has(.hero-section) .md-sidebar--primary .md-nav,
body:has(.hero-section) .md-sidebar--primary .md-sidebar__scrollwrap,
body:has(.hero-section) .md-sidebar--primary .md-sidebar__inner,
body:has(.hero-section) .md-sidebar--primary .md-nav__list,
body:has(.hero-section) .md-sidebar--primary .md-nav__item {
  background: transparent !important;
  background-color: transparent !important;
}

body:has(.hero-section) .md-sidebar--primary {
  background: rgba(255, 255, 255, 0.05) !important; /* Very subtle white tint for light mode */
  backdrop-filter: blur(25px) saturate(180%) brightness(1.1) !important;
  -webkit-backdrop-filter: blur(25px) saturate(180%) brightness(1.1) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.2) !important;
}

/* Dark mode glassmorphism */
[data-md-color-scheme="slate"] body:has(.hero-section) .md-sidebar--primary {
  background: rgba(0, 0, 0, 0.1) !important; /* Very subtle black tint for dark mode */
  backdrop-filter: blur(25px) saturate(180%) brightness(0.9) !important;
  -webkit-backdrop-filter: blur(25px) saturate(180%) brightness(0.9) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Enhance text visibility on translucent drawer - force white text */
body:has(.hero-section) .md-sidebar--primary .md-nav__title,
body:has(.hero-section) .md-sidebar--primary .md-nav__link,
body:has(.hero-section) .md-sidebar--primary .md-ellipsis {
  color: #ffffff !important;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7), 0 1px 3px rgba(0, 0, 0, 0.5) !important;
}

/* Active/hover states should be even brighter */
body:has(.hero-section) .md-sidebar--primary .md-nav__link:hover,
body:has(.hero-section) .md-sidebar--primary .md-nav__link--active {
  color: #ffffff !important;
  background: rgba(255, 255, 255, 0.15) !important;
}

/* Icons should also be white */
body:has(.hero-section) .md-sidebar--primary .md-nav__icon::after {
  background-color: currentColor !important;
}

/* Header area of drawer - slightly more visible */
body:has(.hero-section) .md-sidebar--primary .md-nav__title {
  background: rgba(255, 255, 255, 0.1) !important; /* Very subtle white tint */
  backdrop-filter: blur(15px) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
}

[data-md-color-scheme="slate"] body:has(.hero-section) .md-sidebar--primary .md-nav__title {
  background: rgba(0, 0, 0, 0.25) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Ensure header stays transparent when hero section exists and scrolled class is not applied */
.hero-section ~ .content-section .md-header:not(.md-header--scrolled),
body:has(.hero-section) .md-header:not(.md-header--scrolled) {
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

/* Transparent Header - Always visible and sticky */
.md-header--transparent {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  background-color: transparent !important;
  background-image: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
  transition: none !important; /* Remove transition to prevent flicker */
  z-index: 100 !important;
}

/* Header on hero page should start transparent immediately */
body:has(.hero-section) .md-header {
  background-color: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
  transition: none !important; /* No transition on hero page */
}

/* Header title on hero page should fade smoothly */
body:has(.hero-section) .md-header__title {
  transition: opacity 0.4s ease, visibility 0.4s ease !important;
}

[data-md-color-scheme="slate"] .md-header--transparent {
  background-color: transparent !important;
  background-image: none !important;
}

.md-header--transparent .md-header__inner {
  color: var(--md-typeset-color);
}

.md-header--transparent .md-logo img,
.md-header--transparent .md-logo svg {
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.3));
}

[data-md-color-scheme="slate"] .md-header--transparent .md-header__inner {
  color: var(--md-default-fg-color);
}

.md-header--transparent .md-header__title,
.md-header--transparent .md-header__button,
.md-header--transparent .md-header__ellipsis,
.md-header--transparent .md-ellipsis,
.md-header--transparent .md-header__topic {
  color: #ffffff !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6) !important;
}

[data-md-color-scheme="slate"] .md-header--transparent .md-header__title,
[data-md-color-scheme="slate"] .md-header--transparent .md-header__button,
[data-md-color-scheme="slate"] .md-header--transparent .md-header__ellipsis,
[data-md-color-scheme="slate"] .md-header--transparent .md-ellipsis,
[data-md-color-scheme="slate"] .md-header--transparent .md-header__topic {
  color: #ffffff !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8) !important;
}

/* Make header icons visible with shadow */
.md-header--transparent .md-icon svg {
  filter: drop-shadow(1px 1px 3px rgba(0, 0, 0, 0.6));
  fill: #ffffff !important;
}

.md-header--transparent .md-icon {
  color: #ffffff !important;
}

/* Search bar styling on transparent header */
.md-header--transparent .md-search__input {
  background-color: rgba(255, 255, 255, 0.15) !important;
  backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  color: #ffffff !important;
}

.md-header--transparent .md-search__input::placeholder {
  color: rgba(255, 255, 255, 0.7) !important;
}

[data-md-color-scheme="slate"] .md-header--transparent .md-search__input {
  background-color: rgba(0, 0, 0, 0.3) !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  color: #ffffff !important;
}

/* Header becomes solid on scroll - after hero section */
.md-header--scrolled {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  background: linear-gradient(135deg, #d2b48c 0%, #a7c7a3 100%) !important;
  background-image: linear-gradient(135deg, #d2b48c 0%, #a7c7a3 100%) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
  transition: background 0.3s ease, box-shadow 0.3s ease !important; /* Smooth transition when appearing */
  z-index: 100 !important;
}

.md-header--scrolled .md-header__title,
.md-header--scrolled .md-header__button,
.md-header--scrolled .md-header__ellipsis,
.md-header--scrolled .md-ellipsis,
.md-header--scrolled .md-header__topic {
  color: var(--md-typeset-color) !important;
  text-shadow: none !important;
}

.md-header--scrolled .md-icon svg {
  fill: var(--md-typeset-color) !important;
  filter: none !important;
}

.md-header--scrolled .md-icon {
  color: var(--md-typeset-color) !important;
}

[data-md-color-scheme="slate"] .md-header--scrolled {
  background: #1a1f1a !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5) !important;
}

[data-md-color-scheme="slate"] .md-header--scrolled .md-header__title,
[data-md-color-scheme="slate"] .md-header--scrolled .md-header__button,
[data-md-color-scheme="slate"] .md-header--scrolled .md-icon {
  color: var(--md-default-fg-color) !important;
}

/* Tabs - Default gradient on normal pages */
.md-tabs {
  position: fixed !important;
  top: var(--md-header-height, 3.6rem) !important;
  left: 0 !important;
  right: 0 !important;
  background: linear-gradient(135deg, #d2b48c 0%, #a7c7a3 100%) !important;
  opacity: 1;
  transition: opacity 0.4s ease !important;
  z-index: 90 !important;
}

/* Tabs on hero page - never show gradient, always transparent */
.md-tabs--hero,
.md-tabs--hero.md-tabs,
body:has(.hero-section) .md-tabs,
.hero-section ~ .content-section .md-tabs {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow: none !important;
  transition: opacity 0.4s ease !important; /* Only transition opacity, not background */
}

/* When tabs are hidden on hero page, completely remove from view */
.md-tabs--hero.md-tabs--hidden,
body:has(.hero-section) .md-tabs--hidden {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

[data-md-color-scheme="slate"] .md-tabs--hero,
[data-md-color-scheme="slate"] body:has(.hero-section) .md-tabs,
[data-md-color-scheme="slate"] .hero-section ~ .content-section .md-tabs {
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
}

/* Make tabs text visible on hero page with shadows */
.hero-section ~ .content-section .md-tabs__link,
body:has(.hero-section) .md-tabs__link {
  color: #ffffff !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.6) !important;
  opacity: 1 !important;
  font-weight: 500 !important;
  pointer-events: auto !important;  /* Ensure links are clickable */
}

.md-tabs__link:hover {
  color: #ffffff !important;
  opacity: 0.9 !important;
}

[data-md-color-scheme="slate"] .md-tabs__link {
  color: #ffffff !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8) !important;
}

.md-tabs__link--active {
  color: #ffffff !important;
  font-weight: 700 !important;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.8) !important;
  border-bottom: 2px solid rgba(255, 255, 255, 0.6) !important;
}

[data-md-color-scheme="slate"] .md-tabs__link--active {
  color: #ffffff !important;
}

/* Make sure tabs list is visible and clickable */
.md-tabs__list {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.md-tabs__item {
  opacity: 1 !important;
  pointer-events: auto !important;
}

/* Tabs fading state */
.md-tabs--fading {
  opacity: 1;
  transition: opacity 0.4s ease;
}

.md-tabs--hidden {
  opacity: 0;
  pointer-events: none;
}

/* Content Section */
.content-section {
  position: relative;
  z-index: 3;
  background-color: var(--md-default-bg-color);
  min-height: 100vh;
  padding: 4rem 0;
  margin-top: 0;
}

/* Ensure hero starts at top of page */
body .md-container {
  padding-top: 0;
}

/* Home page specific adjustments */
.md-main {
  margin-top: 0;
}

.md-main__inner {
  margin-top: 0;
  padding-top: 0;
}

.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.content-inner {
  animation: fadeIn 1s ease-out;
}

.content-inner h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--md-typeset-color);
  margin-bottom: 1.5rem;
  text-align: center;
}

.content-inner p {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--md-default-fg-color);
  margin-bottom: 3rem;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.feature-card {
  background: var(--md-code-bg-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  fill: var(--md-primary-fg-color);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
  fill: var(--md-primary-fg-color);
}

.feature-card h3 {
  font-size: 1.5rem;
  color: var(--md-typeset-color);
  margin-bottom: 1rem;
}

.feature-card p {
  font-size: 1rem;
  color: var(--md-default-fg-color--light);
  margin: 0;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@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 */
@media (max-width: 960px) {
  .hero-content {
    padding: 0 1.5rem;
  }

  .hero-title--primary {
    font-size: clamp(1.75rem, 5vw, 3rem);
    white-space: normal;  /* Allow wrapping on small screens */
  }

  .hero-title--secondary {
    font-size: clamp(1.25rem, 3vw, 2rem);
    white-space: normal;
    top: 60vh;  /* Lower on tablets */
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  .hero-section {
    min-height: 500px;
  }

  .hero-title--primary {
    font-size: clamp(1.5rem, 7vw, 2.25rem);
  }

  .hero-title--secondary {
    font-size: clamp(1.1rem, 5vw, 1.75rem);
    top: 60vh;  /* Lower on mobile */
  }

  .content-section {
    padding: 2rem 0;
  }
}

/* Disable parallax on mobile for better performance */
@media (max-width: 768px) {
  .hero-background {
    background-attachment: scroll;
    height: 100vh;
  }
}