/* ========================================
   CSS Reset
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
}

/* ========================================
   CSS Custom Properties (Game Theme)
   ======================================== */
:root {
  /* Primary dark backgrounds */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #1a1a2e;
  --color-bg-card: #16213e;

  /* Accent colors (video game inspired) */
  --color-accent-primary: #00d4ff;
  --color-accent-secondary: #7b2ff7;
  --color-accent-tertiary: #ff6b35;

  /* Text colors */
  --color-text-primary: #e0e0e0;
  --color-text-secondary: #a0a0b0;
  --color-text-heading: #ffffff;

  /* Typography */
  --font-heading: 'Press Start 2P', 'Courier New', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-base: 16px;

  /* Spacing */
  --spacing-section: 6rem;
  --spacing-component: 2rem;

  /* Breakpoints (reference values for media queries) */
  /* Mobile: < 768px */
  /* Tablet: 768px - 1024px */
  /* Desktop: > 1024px */

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ========================================
   WCAG 2.1 AA Contrast Ratios (verified)
   --color-text-primary (#e0e0e0) on --color-bg-primary (#0a0a0f): ~14.5:1
   --color-text-heading (#ffffff) on --color-bg-primary (#0a0a0f): ~19.4:1
   --color-text-secondary (#a0a0b0) on --color-bg-primary (#0a0a0f): ~8.4:1
   --color-accent-primary (#00d4ff) on --color-bg-primary (#0a0a0f): ~10.3:1
   --color-text-primary (#e0e0e0) on --color-bg-card (#16213e): ~9.3:1
   --color-text-secondary (#a0a0b0) on --color-bg-secondary (#1a1a2e): ~6.1:1
   --color-accent-primary (#00d4ff) on --color-bg-card (#16213e): ~6.6:1
   All combinations pass WCAG AA (4.5:1 normal text, 3:1 large text/UI)
   ======================================== */

/* ========================================
   Base Styles
   ======================================== */
html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
  max-width: 100%;
}

/* Text selection styling */
::selection {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

::-moz-selection {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

/* ========================================
   Typography
   ======================================== */

/* Headings — pixel/monospace font with fluid responsive sizing */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  line-height: 1.3;
  font-weight: 400; /* Press Start 2P only has one weight */
}

h1 {
  font-size: clamp(1.75rem, 4vw + 1rem, 3rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.25rem, 3vw + 0.5rem, 2rem);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1rem, 2vw + 0.5rem, 1.5rem);
  margin-bottom: 1rem;
}

h4 {
  font-size: clamp(0.875rem, 1.5vw + 0.4rem, 1.125rem);
  margin-bottom: 0.75rem;
}

h5 {
  font-size: clamp(0.8125rem, 1vw + 0.4rem, 1rem);
  margin-bottom: 0.5rem;
}

h6 {
  font-size: clamp(0.75rem, 0.8vw + 0.4rem, 0.875rem);
  margin-bottom: 0.5rem;
}

/* Body text */
p {
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}

/* Inline text elements */
strong,
b {
  font-weight: 700;
  color: var(--color-text-heading);
}

em,
i {
  font-style: italic;
}

small {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

code {
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  padding: 0.15em 0.4em;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  color: var(--color-accent-primary);
}

mark {
  background-color: var(--color-accent-secondary);
  color: var(--color-text-heading);
  padding: 0.1em 0.3em;
  border-radius: var(--radius-sm);
}

/* Secondary text helper */
.text-secondary {
  color: var(--color-text-secondary);
}

/* Ensure minimum font size on all devices */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: max(1.75rem, 4vw + 1rem);
  }
}

/* ========================================
   Links
   ======================================== */
a {
  color: var(--color-accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast), outline var(--transition-fast);
}

a:hover {
  color: #33ddff; /* Slightly lighter cyan for hover — 12.8:1 contrast on #0a0a0f */
  text-decoration: underline;
}

a:active {
  color: var(--color-accent-tertiary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.btn--primary {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary); /* Dark text on bright cyan — 12.5:1 contrast */
  border-color: var(--color-accent-primary);
}

.btn--primary:hover {
  background-color: #33ddff;
  border-color: #33ddff;
  color: var(--color-bg-primary);
}

.btn--primary:active {
  background-color: #00b8d9;
  border-color: #00b8d9;
  color: var(--color-bg-primary);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
}

.btn--secondary:hover {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

.btn--secondary:active {
  background-color: #00b8d9;
  border-color: #00b8d9;
  color: var(--color-bg-primary);
}

/* ========================================
   Focus Indicators (Accessibility)
   ======================================== */
:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* High-contrast focus for buttons */
.btn:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgba(0, 212, 255, 0.3);
}

/* Remove default outline for mouse users (only show for keyboard) */
:focus:not(:focus-visible) {
  outline: none;
}

/* ========================================
   Skip Link (Accessibility)
   ======================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 1000;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  font-weight: 600;
  transition: top var(--transition-fast);
}

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

/* ========================================
   Navigation
   ======================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.nav nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

/* Logo / Name link */
.nav__logo {
  font-family: var(--font-heading);
  font-size: clamp(0.75rem, 1.5vw + 0.4rem, 1rem);
  color: var(--color-text-heading);
  letter-spacing: 1px;
  transition: color var(--transition-fast);
}

.nav__logo:hover {
  color: var(--color-accent-primary);
  text-decoration: none;
}

.nav__logo:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Navigation menu (desktop) */
.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Navigation links */
.nav__link {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-accent-primary);
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
  color: #33ddff;
  text-decoration: none;
  background-color: rgba(0, 212, 255, 0.08);
}

/* Active link highlight from scroll spy */
.nav__link--active {
  color: var(--color-text-heading);
  background-color: rgba(0, 212, 255, 0.12);
  border-bottom: 2px solid var(--color-accent-primary);
}

.nav__link:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Hamburger toggle button */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
}

.nav__toggle:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Hamburger icon (three lines) */
.nav__hamburger,
.nav__hamburger::before,
.nav__hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-heading);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger {
  position: relative;
}

.nav__hamburger::before,
.nav__hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav__hamburger::before {
  top: -7px;
}

.nav__hamburger::after {
  top: 7px;
}

/* ========================================
   Navigation — Mobile Responsive (< 768px)
   ======================================== */
@media (max-width: 767px) {
  /* Show the hamburger toggle button */
  .nav__toggle {
    display: block;
    z-index: 110;
  }

  /* Hide the menu by default on mobile */
  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background-color: var(--color-bg-secondary);
    border-top: 1px solid rgba(0, 212, 255, 0.15);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    padding: 1rem 0;
    gap: 0;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-0.5rem);
    transition: visibility var(--transition-base),
                opacity var(--transition-base),
                transform var(--transition-base);
  }

  /* Hide links from tab order when menu is closed */
  .nav__menu .nav__link {
    visibility: hidden;
  }

  /* Open state — JS toggles this class */
  .nav__menu--open {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav__menu--open .nav__link {
    visibility: visible;
  }

  /* Mobile menu link styling */
  .nav__menu li {
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
  }

  .nav__menu li:last-child {
    border-bottom: none;
  }

  .nav__link {
    display: block;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border-radius: 0;
  }

  .nav__link:hover {
    background-color: rgba(0, 212, 255, 0.1);
  }

  /* Hamburger → X animation when menu is open */
  .nav__toggle[aria-expanded="true"] .nav__hamburger {
    background-color: transparent;
  }

  .nav__toggle[aria-expanded="true"] .nav__hamburger::before {
    top: 0;
    transform: rotate(45deg);
  }

  .nav__toggle[aria-expanded="true"] .nav__hamburger::after {
    top: 0;
    transform: rotate(-45deg);
  }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 6rem 1.5rem 4rem;
  background-color: var(--color-bg-primary);
}

.hero__content {
  text-align: center;
  max-width: 800px;
}

.hero__name {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
  color: var(--color-text-heading);
  margin-bottom: 1.5rem;
}

.hero__tagline {
  font-size: clamp(1.125rem, 2vw + 0.5rem, 1.5rem);
  color: var(--color-accent-primary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.hero__intro {
  font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero__cta {
  font-size: 1rem;
  padding: 1rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero responsive adjustments */
@media (max-width: 768px) {
  .hero {
    min-height: calc(100vh - 60px);
    padding: 4rem 1rem 3rem;
  }

  .hero__cta {
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
  }
}


/* ========================================
   Section Title (shared)
   ======================================== */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-component);
  color: var(--color-text-heading);
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent-primary);
  border-radius: 2px;
}

/* ========================================
   About Section
   ======================================== */
.about {
  padding: var(--spacing-section) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-component);
}

/* Profile Photo */
.about__photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 3px solid var(--color-accent-primary);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
  margin: 0 auto;
}

/* Biography */
.about__bio {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent-primary);
}

.about__bio .about__photo {
  margin-bottom: 1rem;
}

.about__bio p:last-child {
  margin-bottom: 0;
}

/* Skills Section */
.about__skills {
  background-color: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent-secondary);
}

.about__skills h3 {
  margin-bottom: 1.25rem;
  color: var(--color-text-heading);
}

.skills__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
}

.skills__category {
  margin-bottom: 0;
}

.skills__category h4 {
  margin-bottom: 0.75rem;
  color: var(--color-accent-primary);
  font-size: 0.7rem;
}

.skills__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.skills__item {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: var(--font-body);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.skills__item:hover {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
}

/* Education Subsection */
.about__education {
  background-color: var(--color-bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent-secondary);
}

.about__education h3 {
  margin-bottom: 1.25rem;
  color: var(--color-text-heading);
}

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

.education__entry {
  padding: 1rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.education__school {
  color: var(--color-accent-primary);
  margin-bottom: 0.5rem;
}

.education__degree {
  color: var(--color-text-primary);
  margin-bottom: 0.25rem;
}

.education__year {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Desktop layout: photo on one side, bio and skills on the other */
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-component);
    align-items: start;
  }

  /* Bio card: Flexbox layout — photo left, text right */
  .about__bio {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .about__photo {
    width: 180px;
    height: 180px;
    flex-shrink: 0;
    margin: 0;
  }

  .about__bio .about__photo {
    margin-bottom: 0;
  }

  .about__bio_sub {
    flex: 1;
    font-size: 1.5rem;
  }

  .education__grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (min-width: 1024px) {
  .about__photo {
    width: 200px;
    height: 200px;
  }
}


/* ========================================
   Projects Section
   ======================================== */
.projects {
  padding: var(--spacing-section) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-component);
}

/* Project Card */
.project-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 212, 255, 0.15);
  overflow: hidden;
  transition: transform var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-primary);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2),
              0 0 15px rgba(0, 212, 255, 0.1);
}

/* Focus indicator for keyboard navigation */
.project-card:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-lg);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.25),
              0 0 20px rgba(0, 212, 255, 0.15);
}

/* Project Thumbnail */
.project-card__thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

/* Project Content */
.project-card__content {
  padding: 1.25rem;
}

.project-card__title {
  font-size: clamp(0.75rem, 1.5vw + 0.3rem, 1rem);
  margin-bottom: 0.75rem;
  color: var(--color-text-heading);
}

.project-card__desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Technology Tags */
.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__tech li {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background-color: var(--color-bg-secondary);
  color: var(--color-accent-primary);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Tablet: 2 columns */
@media (min-width: 768px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3 columns */
@media (min-width: 1024px) {
  .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   Project Card Details (Expanded State)
   ======================================== */

/* Details section — hidden by default, revealed on expand */
.project-card__details {
  padding: 1.25rem;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid rgba(0, 212, 255, 0.2);
  animation: detailsSlideIn var(--transition-base) ease forwards;
}

.project-card__details[hidden] {
  display: none;
}

@keyframes detailsSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card__details-desc {
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.project-card__details-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-card__link {
  font-size: 0.875rem;
  padding: 0.6rem 1.25rem;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Expanded card styling — elevated and highlighted */
.project-card[aria-expanded="true"] {
  border-color: var(--color-accent-primary);
  box-shadow: 0 12px 40px rgba(0, 212, 255, 0.25),
              0 0 20px rgba(0, 212, 255, 0.1);
  transform: translateY(-4px);
}

/* Focus outline on the details section when focused programmatically */
.project-card__details:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.project-card__details:focus:not(:focus-visible) {
  outline: none;
}

/* ========================================
   Graphic Designs Section
   ======================================== */
.designs {
  padding: var(--spacing-section) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.designs__grid {
  columns: 2;
  column-gap: 0.75rem;
}

/* Design Card */
.design-card {
  break-inside: avoid;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 0.75rem;
  background-color: var(--color-bg-card);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.design-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.2),
              0 0 15px rgba(0, 212, 255, 0.1);
}

/* Design Thumbnail */
.design-card__thumb {
  width: 100%;
  height: auto;
  display: block;
}

/* Tablet: 3 columns */
@media (min-width: 768px) {
  .designs__grid {
    columns: 3;
  }
}

/* Desktop: 4 columns */
@media (min-width: 1024px) {
  .designs__grid {
    columns: 4;
  }
}

/* ========================================
   Resume Section
   ======================================== */
.resume {
  padding: var(--spacing-section) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.resume__content {
  max-width: 600px;
  margin: 0 auto;
}

.resume__intro {
  color: var(--color-text-secondary);
  font-size: clamp(1rem, 1.5vw + 0.5rem, 1.125rem);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.resume__download {
  font-size: 1rem;
  padding: 1rem 2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  min-width: 44px;
  min-height: 44px;
}

/* PDF Viewer */
.resume__viewer-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto 2rem;
}

.resume__viewer {
  display: block;
  width: 100%;
  min-height: 600px;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-md);
}

/* PDF canvas container — vertically scrollable, centered, max 800px */
.resume__pdf-container {
  max-width: 800px;
  margin: 0 auto;
  overflow-y: auto;
  max-height: 80vh;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-card);
}

/* Individual canvas elements (rendered PDF pages) */
.resume__pdf-container canvas {
  display: block;
  margin: 0 auto 1rem;
  max-width: 100%;
  height: auto;
}

/* Remove bottom margin from last page */
.resume__pdf-container canvas:last-child {
  margin-bottom: 0;
}

.resume__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.resume__loading[hidden] {
  display: none;
}

.resume__fallback[hidden] {
  display: none;
}

.resume__fallback:not([hidden]) {
  display: block;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

/* Responsive: mobile PDF viewer fills container width */
@media (max-width: 767px) {
  .resume__viewer {
    min-height: 400px;
  }

  .resume__pdf-container {
    max-width: 100%;
    border-radius: var(--radius-sm);
  }

  .resume__pdf-container canvas {
    width: 100%;
    height: auto;
  }
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid rgba(0, 212, 255, 0.15);
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

.footer__socials {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.footer__socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  min-height: 44px;
  min-width: 44px;
  color: var(--color-accent-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid var(--color-accent-primary);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.footer__socials a:hover {
  background-color: var(--color-accent-primary);
  color: var(--color-bg-primary);
  text-decoration: none;
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.4);
}

.footer__socials a:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.footer__copyright {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0;
}


/* ========================================
   Responsive Breakpoints (Mobile-First)
   Ensures content adapts from 320px to 2560px
   ======================================== */

/* --- Small Mobile (320px–480px) --- */
@media (max-width: 480px) {
  .hero {
    padding: 3rem 1rem 2rem;
  }

  .about,
  .projects,
  .designs,
  .resume {
    padding: 3rem 1rem;
  }

  .footer {
    padding: 2rem 1rem 1.5rem;
  }

  .footer__socials {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .footer__socials a {
    font-size: 0.875rem;
    padding: 0.4rem 0.75rem;
  }

  .project-card__content,
  .design-card__content {
    padding: 1rem;
  }

  .project-card__details,
  .design-card__details {
    padding: 1rem;
  }

  .project-card__details-links {
    flex-direction: column;
  }

  .project-card__link {
    text-align: center;
  }

  .about__bio,
  .about__skills,
  .about__education {
    padding: 1.25rem;
  }
}

/* --- Tablet (768px–1024px) --- */
@media (min-width: 768px) and (max-width: 1024px) {
  .hero {
    padding: 5rem 2rem 4rem;
  }

  .about,
  .projects,
  .designs,
  .resume {
    padding: var(--spacing-section) 2rem;
  }

  .footer {
    padding: 3rem 2rem 2rem;
  }

  .about__bio,
  .about__skills,
  .about__education {
    padding: 1.75rem;
  }

  .project-card__content,
  .design-card__content {
    padding: 1.25rem;
  }
}

/* --- Desktop (>1024px) --- */
@media (min-width: 1025px) {
  .hero {
    padding: 6rem 2rem 5rem;
  }

  .about,
  .projects,
  .designs,
  .resume {
    padding: var(--spacing-section) 2rem;
  }

  .footer {
    padding: 3.5rem 2rem 2.5rem;
  }

  .about__bio,
  .about__skills,
  .about__education {
    padding: 2rem;
  }

  .project-card__content,
  .design-card__content {
    padding: 1.5rem;
  }

  .project-card__details,
  .design-card__details {
    padding: 1.5rem;
  }
}

/* --- Ultra-wide (>1440px) --- */
@media (min-width: 1441px) {
  .hero__content {
    max-width: 900px;
  }

  .about,
  .projects,
  .designs,
  .resume {
    max-width: 1400px;
  }

  .nav nav {
    max-width: 1400px;
  }
}

/* --- Max containment for 2560px screens --- */
@media (min-width: 2000px) {
  .hero__content {
    max-width: 1000px;
  }

  .about,
  .projects,
  .designs,
  .resume {
    max-width: 1600px;
  }

  .nav nav {
    max-width: 1600px;
  }
}

/* ========================================
   Reduced Motion (Accessibility)
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .project-card__details,
  .design-card__details {
    animation: none;
  }

  .project-card,
  .design-card {
    transition: none;
  }

  .resume__loading {
    transition-duration: 0ms;
  }
}