/* Global Styles */

@import "variables.css";

/* Animations */
.animate-fade-up {
  animation: fadeUp 0.6s ease-out forwards;
}

.animate-hover-lift {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-hover-lift:hover {
  transform: translateY(-8px);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 25%,
    var(--border-color) 50%,
    var(--bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Page Loader */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  /* Slower fade out */
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.active {
  opacity: 1;
  visibility: visible;
  /* Fast fade in */
  transition: opacity 0.05s ease, visibility 0.05s ease;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Reset & Base Styles */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}


html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}

html.no-scroll {
  overflow: hidden;
  height: 100vh;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

body.no-scroll {
  overflow: hidden;
  height: 100vh;
}

/* SVG Icon System */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  fill: currentColor;
}

.icon-sm {
  width: 0.875em;
  height: 0.875em;
}
.icon-lg {
  width: 1.25em;
  height: 1.25em;
}
.icon-xl {
  width: 1.5em;
  height: 1.5em;
}
.icon-2x {
  width: 2em;
  height: 2em;
}
.icon-3x {
  width: 3em;
  height: 3em;
}

.icon-mr {
  margin-right: 0.5em;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-md);
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-primary);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

section {
  padding: var(--spacing-lg) 0;
  scroll-margin-top: 120px; /* Header + padding */
}

@keyframes blurReveal {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: scale(0.95) translateY(10px);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1) translateY(0);
  }
}

/* Scroll Reveal */
.fade-in-section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, visibility;
}

.fade-in-section.visible {
  opacity: 1;
  transform: none;
}

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 0 10px var(--accent-glow);
}

.btn-primary:hover {
  /* background: var(--accent-secondary); */
  transform: translateY(-2px);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-secondary-outline {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: white;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.7);
  color: white;
}

.btn-secondary-outline-rounded {
  border: 1px solid var(--border-color);
  border-radius: 99px;
}

.btn-secondary-outline-rounded:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-disabled:hover {
  transform: translateY(0px);
  color: white;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-sm {
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
}

.btn-full {
  width: 100%;
  padding: 0.5rem;
}

.footer-btn-sm {
  padding: 0.2rem 0.5rem;
  font-size: 0.8rem;
  margin-left: 0.5rem;
  background: var(--bg-tertiary);
}

/* Form Elements */
.form-input {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  box-sizing: border-box; /* Ensure proper sizing */
}

.form-input.focused {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-input:focus {
  /* Keep real focus for accessibility, but matched style */
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.form-input.invalid,
.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #ef4444;
}

.form-input.invalid.focused,
.form-input.invalid:focus,
.form-group input.invalid:focus,
.form-group textarea.invalid:focus {
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

/* Checkboxes & Radios */
.check-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  /* pointer-events: none; Remove static interaction restriction for global use */
}

.form-checkbox,
.form-radio {
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  border-radius: 4px;
  display: grid;
  place-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.form-radio {
  border-radius: 50%;
}

.form-checkbox::before {
  content: "";
  width: 0.65em;
  height: 0.65em;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em white;
  transform-origin: center;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.form-radio::before {
  content: "";
  width: 0.65em;
  height: 0.65em;
  border-radius: 50%;
  transform: scale(0);
  transition: 120ms transform ease-in-out;
  box-shadow: inset 1em 1em white;
}

.form-checkbox:checked,
.form-radio:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.form-checkbox:checked::before,
.form-radio:checked::before {
  transform: scale(1);
}

/* Toggle Switch */
.form-toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.form-toggle {
  width: 3rem;
  height: 1.5rem;
  background: var(--border-color);
  border-radius: 99px;
  position: relative;
  transition: background var(--transition-fast);
}

.form-toggle::after {
  content: "";
  position: absolute;
  top: 0.125rem;
  left: 0.125rem;
  width: 1.25rem;
  height: 1.25rem;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.form-toggle.checked {
  background: var(--accent-primary);
}

.form-toggle.checked::after {
  transform: translateX(1.5rem);
}

/* Theme Switch (Segmented Control) */
.theme-switch {
  display: flex;
  width: fit-content;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 99px;
  padding: 2px;
  gap: 2px;
}

.theme-switch-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  min-width: 44px;
  min-height: 44px;
  border-radius: 99px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-switch-btn .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.theme-switch-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.theme-switch-btn.active {
  background: var(--bg-primary);
  color: var(--accent-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-color);
}

/* Form Groups (Generic) */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.form-heading {
  margin-bottom: 1.5rem;
}

.form-status {
  margin-top: 1rem;
  text-align: center;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid transparent;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.alert-info {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.2);
  color: #64a8fa;
}

.alert-success {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.2);
  color: #44ca75;
}

.alert-warning {
  background: rgba(234, 179, 8, 0.15);
  border-color: rgba(234, 179, 8, 0.2);
  color: #e0b713;
}

.alert-error {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.2);
  color: #fa6464;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-primary {
  background: var(--accent-primary);
  color: white;
}
.badge-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.badge-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background: var(--header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--header-border);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

nav a {
  font-weight: 500;
  font-size: 1rem;
}

.nav-separator {
    height: 24px;
    width: 1px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-sm);
    display: block;
}

/* Skip Link (Accessibility) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.5rem;
  background: var(--accent-primary);
  color: white;
  border-radius: 0 0 8px 8px;
  z-index: 200;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
  color: white;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.5rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
}

/* Hidden on desktop, shown on mobile */
.nav-close {
  display: none;
}

.nav-overlay {
  display: none;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  nav#main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(280px, 80vw);
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    gap: var(--spacing-md);
    transition: right 0.3s ease;
    z-index: 99;
  }

  nav#main-nav.open {
    right: 0;
  }

  nav#main-nav a {
    font-size: 1.125rem;
  }

  .nav-separator {
    width: 100%;
    height: 1px;
    margin: var(--spacing-xs) 0;
    opacity: 0.2;
  }

  .nav-toggle.open i::before {
    content: "\f00d";
  }

  /* Nav Overlay (click outside to close) */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 98;
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  /* Close button inside nav */
  .nav-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    padding: 0.5rem;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background var(--transition-fast);
  }

  .nav-close:hover {
    background: var(--bg-tertiary);
  }
}

/* Footer */
footer {
  margin-top: auto;
  padding: var(--spacing-sm) 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Canvas Background */
#bg-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.3;
  pointer-events: none;
}

/* Social Card */
.social-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 12px;
  flex: 1 1 200px;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-normal);
}

.social-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.social-card .icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Project Card */
.project-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 0;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  text-align: left;
  text-decoration: none;
  overflow: hidden;
}

.project-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  background: var(--bg-tertiary);
}

.project-card-visual {
  height: 100px;
  background: url("/assets/pawzzle/background.svg") center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-secondary);
  gap: 1rem;
}

.project-visual-text {
  font-family: "Fraunces", serif;
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--text-primary);
}

.project-icon {
  height: 50px;
  width: auto;
}

:root .project-icon {
  filter: brightness(0) invert(1);
}

:root.light-mode .project-icon {
  filter: brightness(0);
}

.project-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap; /* Safety for small screens */
  gap: 0.5rem;
}

.project-link {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--text-tertiary);
}

.project-desc {
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  margin: 0;
}

/* Carousel (CSS Scroll Snap) */
.carousel-demo {
  position: relative;
  background: var(--bg-primary);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.carousel-slides {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  flex-grow: 1;
  height: 100%;
}

.carousel-slides::-webkit-scrollbar {
  display: none;
}

.carousel-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: flex;
  min-width: 0;
  height: 100%;
}

.carousel-img {
  width: 40%;
  background: var(--bg-tertiary);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--text-secondary);
}

.carousel-content {
  width: 60%;
  padding: 1.5rem;
  padding-bottom: 3rem;
}

.carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  pointer-events: none;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-secondary);
  opacity: 0.3;
  cursor: pointer;
  pointer-events: auto;
  transition: all 0.2s;
}

.dot.active {
  opacity: 1;
  background: var(--accent-primary);
  transform: scale(1.2);
}

/* Carousel Controls */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  z-index: 10;
  opacity: 0;
}

.carousel-demo:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn:hover {
  background: rgba(59, 130, 246, 0.8);
  transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
  left: 1rem;
}
.carousel-btn.next {
  right: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 6rem;
  }

  h1 {
    font-size: 2.5rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .footer-content {
    gap: 1rem;
  }

  .footer-btn-sm {
    /* Ensure button doesn't look tiny */
    padding: 0.4rem 0.8rem;
  }
}