/* 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;
  }
}

/* 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;
}

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;
}

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

/* 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 var(--border-color);
}


.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;
}

/* 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-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;
    }
}