body {
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.ready {
  opacity: 1;
}

/* Smooth theme transitions */
.site-header,
.project-card,
.project-icon-wrapper,
.category-chip,
.btn-launch,
#search-input,
.request-box,
.progress-box,
.progress-bar-track,
.progress-bar-fill,
.back-btn,
.toast,
.theme-toggle-btn,
.search-wrapper {
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

/* --- SITE HEADER --- */

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem var(--spacing-margin-desktop);
  background-color: var(--color-surface);
  border-bottom: var(--border-width) solid var(--color-on-background);
  font-family: var(--font-family-label);
}

.site-header .logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: var(--font-label-md-weight);
  font-size: var(--font-label-md-size);
}

.site-header nav {
  display: flex;
  gap: 2rem;
}

.site-header nav a {
  position: relative;
  padding: 0.25rem 0;
  font-size: var(--font-label-md-size);
  font-weight: var(--font-label-md-weight);
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme toggle button */
.theme-toggle-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-width) solid var(--color-on-background);
  background-color: var(--color-surface-container-lowest);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  background-color: var(--color-surface-container);
}

.theme-toggle-btn:active {
  transform: translate(2px, 2px);
}

.project-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-family-label);
  font-weight: 800;
  font-size: 2.25rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: bold;
}

/* Underline indicator for the active nav link */
.site-header nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
}

.back-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  border: var(--border-width) solid var(--color-on-surface);
  font-family: var(--font-family-label);
  font-weight: 700;
  text-transform: uppercase;
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px
    var(--color-on-surface);
}

.back-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: calc(var(--shadow-offset) - 2px) calc(var(--shadow-offset) - 2px)
    0px 0px var(--color-on-surface);
}

.back-btn:active {
  transform: translate(var(--shadow-offset), var(--shadow-offset));
  box-shadow: 0px 0px 0px 0px var(--color-on-surface);
}

.welcome-badge {
  display: inline-block;
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-tertiary-fixed-variant);
  border: calc(var(--border-width) - 1px) solid var(--color-on-background);
  margin-bottom: 1.5rem;
  transform: rotate(-4deg);
  transform-origin: center;
  transition: transform 0.2s ease;
  box-shadow: 4px 4px 0 var(--color-on-background);
}

/* --- SEARCH SECTION --- */
.search-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.search-label {
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  letter-spacing: 0.05em;
}

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

#search-input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  font-family: var(--font-family-body);
  font-size: var(--font-body-md-size);
  color: var(--color-on-background);
  background-color: var(--color-surface-container-lowest);
  border: var(--border-width) solid var(--color-on-background);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px
    var(--color-on-background);
  outline: none;
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
}

.search-icon {
  position: absolute;
  left: 1rem;
  font-size: 1.25rem;
  pointer-events: none;
}

/* --- THE FOCUS/"CLICKED IN" STATE --- */
#search-input:focus {
  transform: translate(2px, 2px);
  box-shadow: calc(var(--shadow-offset) - 2px) calc(var(--shadow-offset) - 2px)
    0px 0px var(--color-on-background);
  background-color: var(--color-surface-container-low);
  border-color: var(--color-primary);
}

#search-input::placeholder {
  color: var(--color-outline);
  font-style: italic;
  opacity: 0.8;
}

/* CONTAINER */

/* --- THE HOMEPAGE CONTAINER --- */
.container {
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-margin-desktop);
  padding-right: var(--spacing-margin-desktop);
  padding-top: 3rem;
  padding-bottom: 1rem;
}

/* Hero Heading and Welcome Block */
.container h1 {
  font-family: var(--font-family-heading);
  font-size: var(--font-headline-xl-size);
  font-weight: var(--font-headline-xl-weight);
  line-height: var(--font-headline-xl-line-height);
  letter-spacing: var(--font-headline-xl-letter-spacing);
  color: var(--color-on-background);
  margin-bottom: 1.5rem;
}

.container p {
  font-family: var(--font-family-body);
  font-size: var(--font-body-lg-size);
  font-weight: var(--font-body-lg-weight);
  line-height: var(--font-body-lg-line-height);
  color: var(--color-on-surface-variant);
  max-width: 680px;
  margin-bottom: 3rem;
}

/* --- THE GRID SYSTEM --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-gutter);
  margin-top: 2rem;
  margin-bottom: 4rem;
}

/* --- THE CARD CONTAINER --- */
.project-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  background-color: var(--color-surface-container-lowest);
  border: var(--border-width) solid var(--color-on-background);
  padding: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0px 0px
    var(--color-on-background);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.project-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: calc(var(--shadow-offset) + 2px) calc(var(--shadow-offset) + 2px)
    0px 0px var(--color-on-background);
}

/* --- THE ICON BOX --- */
.project-icon-wrapper {
  background-color: var(--color-surface-container-high);
  border: var(--border-width) solid var(--color-on-background);
  padding: 0.5rem;
  margin-bottom: 1rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.project-icon {
  font-size: 2rem;
  line-height: 1;
}

/* --- THE CATEGORY CHIPS --- */
.category-chip {
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border: calc(var(--border-width) - 1px) solid var(--color-on-background);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

/* Color codes per taxonomy class */
.category-utility {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed-variant);
}

.category-tool {
  background-color: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed-variant);
}

.category-game {
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-tertiary-fixed-variant);
}

/* ---TYPOGRAPHY SPACING --- */
.card-title {
  font-family: var(--font-family-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-on-background);
  margin-bottom: 0.5rem;
}

.project-desc {
  font-family: var(--font-family-body);
  font-size: var(--font-body-md-size);
  color: var(--color-on-surface-variant);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* --- THE LAUNCH BUTTON --- */
.btn-launch {
  display: inline-flex;

  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family-label);
  font-size: var(--font-label-md-size);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-on-primary);
  border: var(--border-width) solid var(--color-on-background);
  box-shadow: 0.25rem 0.25rem 0px 0px var(--color-on-background);
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease;
}

.btn-launch-utility {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed-variant);
  box-shadow: 0.25rem 0.25rem 0px 0px var(--color-on-secondary-fixed);
}

.btn-launch-tool {
  background-color: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed-variant);
  box-shadow: 0.25rem 0.25rem 0px 0px var(--color-on-primary-fixed);
}

.btn-launch-game {
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-tertiary-fixed-variant);
  box-shadow: 0.25rem 0.25rem 0px 0px var(--color-on-tertiary-fixed);
}

.btn-launch:active {
  transform: translate(0.25rem, 0.25rem);
  box-shadow: 0px 0px 0px 0px var(--color-on-background);
}

/* --- REQUEST SECTION--- */

.request-section-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-gutter);
  margin: var(--spacing-margin-desktop) auto;
  max-width: 1440px;
  padding: 0 var(--spacing-gutter);
}

.request-box,
.progress-box {
  background-color: var(--color-surface-container-low);
  border: var(--border-width) solid var(--color-on-background);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 0
    var(--color-on-background);
  padding: calc(var(--spacing-unit) * 8);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* --- LEFT SIDE: REQUEST BOX --- */
.request-box {
  background-color: var(--color-surface-container-lowest);
  gap: calc(var(--spacing-unit) * 4);
}

.request-box h2 {
  font-family: var(--font-family-heading);
  font-size: var(--font-headline-lg-size);
  font-weight: var(--font-headline-lg-weight);
  color: var(--color-on-background);
}

.request-box p {
  color: var(--color-on-surface-variant);
  max-width: 550px;
}

.request-form {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 2);
}

.request-input {
  flex: 1;
  padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 4);
  font-family: var(--font-family-label);
  font-size: var(--font-body-md-size);
  background-color: var(--color-surface);
  border: var(--border-width) solid var(--color-on-background);
  outline: none;
}

.request-input::placeholder {
  color: var(--color-outline);
}

.btn-send {
  font-family: var(--font-family-label);
  font-weight: var(--font-label-md-weight);
  background-color: var(--color-primary-container);
  color: var(--color-on-primary-container);
  border: var(--border-width) solid var(--color-on-background);
  padding: 0 calc(var(--spacing-unit) * 6);
  text-transform: uppercase;
  transition: transform 0.1s ease;
}

.btn-send:active {
  transform: translate(0.125rem, 0.125rem);
}

/* --- RIGHT SIDE: PROGRESS BOX --- */
.progress-box {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed-variant);
  align-items: center;
  text-align: center;
  gap: calc(var(--spacing-unit) * 3);
}

.progress-icon,
.progress-counter,
.progress-label {
  color: var(--color-on-secondary-fixed-variant);
}

.progress-icon {
  font-size: 2rem;
}

.progress-counter {
  font-family: var(--font-family-heading);
  font-size: var(--font-headline-lg-size);
  font-weight: var(--font-headline-lg-weight);
  line-height: 1;
}

.progress-label {
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: var(--font-label-md-weight);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.progress-bar-track {
  width: 100%;
  height: 1.25rem;
  background-color: var(--color-surface-container-lowest);
  border: var(--border-width) solid var(--color-on-background);
  position: relative;
  margin-top: calc(var(--spacing-unit) * 2);
}

.progress-bar-fill {
  height: 100%;
  background-color: var(--color-primary-container);
  width: 0%;
  border-right: var(--border-width) solid var(--color-on-background);
}

/* --- TOAST --- */

.toast {
  position: fixed;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-1rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 2rem;
  font-family: var(--font-family-label);
  font-size: var(--font-label-md-size, 1rem);
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-surface-container-lowest);
  border: var(--border-width) solid var(--color-on-background);
  box-shadow: var(--shadow-offset) var(--shadow-offset) 0 0
    var(--color-on-background);
  z-index: 1000;
  opacity: 0;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast--success {
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-tertiary-fixed-variant);
}

.toast--error {
  background-color: var(--color-error-container);
  color: var(--color-on-error-container);
}

.toast__icon {
  font-size: 1.5rem;
  line-height: 1;
}

/* --- SITE FOOTER --- */

#site-footer {
  width: 100%;
  background-color: var(--color-surface);
  border-top: var(--border-width) solid var(--color-on-background);
  padding: 3rem var(--spacing-margin-desktop);
  margin-top: 4rem;
}

/* Inner wrapper to keep the content aligned with the rest of your site container */
.footer-container-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2.5rem;
}

/* --- LEFT SIDE: BRANDING --- */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-logo {
  font-family: var(--font-family-label);
  font-size: var(--font-label-md-size);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-on-background);
}

.footer-credits {
  font-family: var(--font-family-body);
  font-size: var(--font-body-md-size);
  color: var(--color-on-surface-variant);
}

.footer-credits .highlight {
  font-weight: 700;
  color: var(--color-on-background);
}

/* --- RIGHT SIDE: SOCIAL & PORTFOLIO BUTTONS --- */
.footer-links-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-label {
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-icon {
  width: 1.125rem;
  height: 1.125rem;
  transition: fill 0.1s ease;
}

/* Interactive mini-button styling */
.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-family-label);
  font-size: var(--font-label-sm-size);
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--color-surface-container-lowest);
  border: var(--border-width) solid var(--color-on-background);
  box-shadow: 0.25rem 0.25rem 0px 0px var(--color-on-background);
  transition:
    transform 0.1s ease,
    box-shadow 0.1s ease,
    background-color 0.1s ease;
}

/* Neo-brutalist hover states: pushes down and pops color! */
.footer-btn:hover {
  transform: translate(1px, 1px);
  box-shadow: 0.15rem 0.15rem 0px 0px var(--color-on-background);
}

.footer-btn:active {
  transform: translate(0.25rem, 0.25rem);
  box-shadow: 0px 0px 0px 0px var(--color-on-background);
}

/* Color accents on hover for each social network */
.footer-btn.btn-portfolio:hover {
  background-color: var(--color-tertiary-fixed);
  color: var(--color-on-tertiary-fixed-variant);
}

.footer-btn.btn-github:hover {
  background-color: var(--color-on-background);
  color: var(--color-surface-container-lowest);
}

.footer-btn.btn-linkedin:hover {
  background-color: var(--color-secondary-fixed);
  color: var(--color-on-secondary-fixed-variant);
}

.footer-btn.btn-twitter:hover {
  background-color: var(--color-primary-fixed);
  color: var(--color-on-primary-fixed-variant);
}

.hidden {
  display: none !important;
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 600px) {
  .container {
    padding-left: var(--spacing-margin-mobile);
    padding-right: var(--spacing-margin-mobile);
    padding-top: 2rem;
    padding-bottom: 2rem;
  }

  .container h1 {
    font-size: var(--font-headline-lg-mobile-size);
    line-height: var(--font-headline-lg-mobile-line-height);
    margin-bottom: 1rem;
  }

  .container p {
    font-size: var(--font-body-md-size);
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 1rem var(--spacing-margin-mobile);
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .site-header nav {
    gap: 0.75rem;
  }

  .project-title {
    font-size: 1.5rem;
  }

  .request-section-container {
    grid-template-columns: 1fr;
    margin: var(--spacing-margin-mobile) auto;
  }

  .request-form {
    flex-direction: column;
  }

  .btn-send {
    padding: calc(var(--spacing-unit) * 3);
  }

  #site-footer {
    padding: 2.5rem var(--spacing-margin-mobile);
  }
  .footer-container-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 2rem;
  }
}