/* =============================================================
   KEAGAN DU PLESSIS PORTFOLIO - style.css
   =============================================================
   HOW TO USE THIS FILE
   --------------------
   Everything visual lives in the :root block below.
   Change a value there and it updates across every page.
   Do not hardcode colours, sizes, or font values anywhere
   outside of :root - always add a new variable instead.
   ============================================================= */

:root {

  /* -----------------------------------------------------------
     BACKGROUND COLOURS
     bg         - main page background (darkest layer)
     surface    - cards, header, footer, raised elements
     surface-2  - inputs, nested panels, deeper elements
     surface-3  - hover states on inputs, subtle highlights
  ----------------------------------------------------------- */
  --color-bg:        #090c12;
  --color-surface:   #0f1520;
  --color-surface-2: #162030;
  --color-surface-3: #1e2a3d;

  /* -----------------------------------------------------------
     BORDER COLOURS
     border        - default border on cards, dividers, inputs
     border-subtle - very faint rule, e.g. footer bottom line
  ----------------------------------------------------------- */
  --color-border:        #1e2e45;
  --color-border-subtle: #131e2e;

  /* -----------------------------------------------------------
     TEXT COLOURS
     text          - primary readable body text
     text-muted    - secondary / supporting text
     text-disabled - placeholder text, inactive labels
     text-heading  - headings and titles (bright white)
  ----------------------------------------------------------- */
  --color-text:          #dde8f5;
  --color-text-muted:    #6e88a8;
  --color-text-disabled: #3d5470;
  --color-text-heading:  #ffffff;

  /* -----------------------------------------------------------
     ACCENT - PRIMARY BRAND COLOUR
     accent        - buttons, links, highlights, active states
     accent-hover  - darker shade used on button hover
     accent-light  - lighter tint for hovered links
     accent-soft   - very low-opacity fill for tag backgrounds
     accent-glow   - radial glow used in hero backgrounds
     accent-glow-sm - smaller/softer glow for project hero
     accent-border - low-opacity border on tags and badges
  ----------------------------------------------------------- */
  --color-accent:         #2d7fff;
  --color-accent-hover:   #1a6de8;
  --color-accent-light:   #70aaff;
  --color-accent-soft:    rgba(45, 127, 255, 0.12);
  --color-accent-glow:    rgba(45, 127, 255, 0.35);
  --color-accent-glow-sm: rgba(45, 127, 255, 0.25);
  --color-accent-border:  rgba(45, 127, 255, 0.30);

  /* -----------------------------------------------------------
     UTILITY COLOURS
     white   - pure white, used directly where needed
     overlay - semi-transparent dark layer (sticky header bg)
  ----------------------------------------------------------- */
  --color-white:   #ffffff;
  --color-overlay: rgba(9, 12, 18, 0.85);

  /* -----------------------------------------------------------
     STATUS COLOURS
     Used for form validation, toast messages, badges, etc.
     success - positive state (e.g. form sent)
     error   - destructive / invalid state
     warning - caution state
     info    - neutral informational state
  ----------------------------------------------------------- */
  --color-success: #22c55e;
  --color-error:   #ef4444;
  --color-warning: #f59e0b;
  --color-info:    #2d7fff;

  /* -----------------------------------------------------------
     PROJECT HERO GRADIENT
     The coloured gradient behind a project cover image.
     Swap these to shift the mood of any project page.
     hero-grad-left  - far-left start of the gradient
     hero-grad-mid   - mid-point colour
     hero-grad-right - far-right end (match --color-bg)
  ----------------------------------------------------------- */
  --color-hero-grad-left:  #0a1628;
  --color-hero-grad-mid:   #0d2040;
  --color-hero-grad-right: #090c12;

  /* -----------------------------------------------------------
     PHOTO EFFECTS
     photo-filter      - applied to all profile/about photos
     photo-border-glow - gradient used on photo frame border
     photo-underline   - accent bar below the about photo
  ----------------------------------------------------------- */
  --photo-filter:      grayscale(20%);
  --photo-border-glow: linear-gradient(135deg, var(--color-accent), transparent 60%);
  --photo-underline:   linear-gradient(90deg, var(--color-accent), transparent);

  /* -----------------------------------------------------------
     TYPOGRAPHY - FONT FAMILIES
     font-display - headings and titles (serif, characterful)
     font-body    - all body text and UI labels
     font-mono    - code blocks, technical labels
  ----------------------------------------------------------- */
  --font-display: 'Georgia', serif;
  --font-body:    system-ui, -apple-system, sans-serif;
  --font-mono:    'Courier New', Courier, monospace;

  /* -----------------------------------------------------------
     TYPOGRAPHY - FONT SIZES
     xs   - labels, badges, captions, legal text
     sm   - nav links, meta text, secondary info
     base - standard body copy
     lg   - lead paragraphs, large body text
     xl   - subheadings, card titles, footer name
     2xl  - section headings
     3xl  - hero title / page title
  ----------------------------------------------------------- */
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.5rem;
  --font-size-2xl:  2.25rem;
  --font-size-3xl:  3.5rem;

  /* -----------------------------------------------------------
     TYPOGRAPHY - LINE HEIGHTS
     tight  - headings, titles
     normal - body text, cards
     loose  - long-form reading (about, project content)
  ----------------------------------------------------------- */
  --line-height-tight:  1.2;
  --line-height-normal: 1.7;
  --line-height-loose:  1.8;

  /* -----------------------------------------------------------
     LETTER SPACING
     tight  - condensed headings if needed
     normal - default (inherit)
     wide   - uppercase labels, section labels
     wider  - badges, nav active indicator underline
  ----------------------------------------------------------- */
  --letter-spacing-tight:  -0.01em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide:   0.08em;
  --letter-spacing-wider:  0.12em;

  /* -----------------------------------------------------------
     SPACING SCALE
     xs - tight gaps between inline elements
     sm - padding inside cards, gaps between form fields
     md - standard component padding, between components
     lg - large section gaps
     xl - page-level vertical breathing room
  ----------------------------------------------------------- */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.75rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;

  /* -----------------------------------------------------------
     LAYOUT
     max-width     - maximum content column width
     header-height - sticky header height (also used as
                     sticky sidebar top offset)
     about-photo-width   - about page photo column
     hero-photo-width    - home hero photo column
     sidebar-width       - project page sidebar column
  ----------------------------------------------------------- */
  --max-width:         1080px;
  --header-height:     64px;
  --about-photo-width: 300px;
  --hero-photo-width:  280px;
  --sidebar-width:     280px;

  /* -----------------------------------------------------------
     BORDER RADIUS
     radius    - buttons, inputs, small cards
     radius-lg - large cards, modals, photo frames
     radius-xl - full pill shape (badges, tags, years)
  ----------------------------------------------------------- */
  --radius:    8px;
  --radius-lg: 16px;
  --radius-xl: 999px;

  /* -----------------------------------------------------------
     TRANSITIONS / ANIMATION
     transition      - standard hover speed
     transition-slow - larger layout shifts or reveals
  ----------------------------------------------------------- */
  --transition:      0.2s ease;
  --transition-slow: 0.4s ease;

  /* -----------------------------------------------------------
     EFFECTS
     header-blur   - backdrop blur on sticky header
     btn-glow      - box-shadow glow on primary button hover
     card-lift     - translateY distance when card is hovered
  ----------------------------------------------------------- */
  --header-blur: blur(12px);
  --btn-glow:    0 0 20px var(--color-accent-glow);
  --card-lift:   -4px;

  /* -----------------------------------------------------------
     GLOW SIZES
     glow-size-lg - diameter of hero background radial glow
     glow-size-sm - width of project hero radial glow
     glow-height-sm - height of project hero radial glow
  ----------------------------------------------------------- */
  --glow-size-lg:    700px;
  --glow-size-sm:    500px;
  --glow-height-sm:  300px;

  /* -----------------------------------------------------------
     COMPONENT SIZES
     social-icon-size  - footer/sidebar social icon circles
     contact-icon-size - icon boxes on the contact page
     nav-underline-h   - height of the active nav underline
     photo-underline-h - height of the accent bar under photo
     blockquote-border - left border width on blockquotes
  ----------------------------------------------------------- */
  --social-icon-size:  36px;
  --contact-icon-size: 44px;
  --nav-underline-h:   1px;
  --photo-underline-h: 4px;
  --blockquote-border: 3px;

}


/* =============================================================
   RESET & BASE
   ============================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: var(--line-height-normal);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

img { max-width: 100%; display: block; }


/* =============================================================
   LAYOUT
   ============================================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

main { flex: 1; }


/* =============================================================
   HEADER / NAV
   ============================================================= */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-overlay);
  backdrop-filter: var(--header-blur);
  -webkit-backdrop-filter: var(--header-blur);
  border-bottom: 1px solid var(--color-border);
}

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

.site-brand {
  display: flex;
  flex-direction: column;
  line-height: var(--line-height-tight);
  text-decoration: none;
}

.site-brand .name {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-heading);
  text-decoration: none;
}

.site-brand .name:hover { color: var(--color-accent); }

.site-brand .role {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
}

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

nav a {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 2px;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: var(--nav-underline-h);
  background: var(--color-accent);
  transition: width var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--color-text);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}


/* =============================================================
   FOOTER
   ============================================================= */
footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
}

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

.footer-brand .name {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-heading);
}

.footer-brand .tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer-links a:hover { color: var(--color-accent); }

.footer-social {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
  justify-content: flex-end;
}

.footer-social a {
  width: var(--social-icon-size);
  height: var(--social-icon-size);
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.footer-social a:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.footer-copy {
  width: 100%;
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}


/* =============================================================
   HERO (HOME PAGE)
   ============================================================= */
.hero {
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: var(--glow-size-lg);
  height: var(--glow-size-lg);
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr var(--hero-photo-width);
  align-items: center;
  gap: var(--spacing-xl);
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--color-text-heading);
  margin-bottom: var(--spacing-sm);
}

.hero h1 span {
  color: var(--color-accent);
}

.hero-bio {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: var(--spacing-md);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.hero-photo {
  position: relative;
}

.hero-photo img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  filter: var(--photo-filter);
}

.hero-photo::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: calc(var(--radius-lg) + 3px);
  background: var(--photo-border-glow);
  z-index: -1;
  opacity: 0.6;
}


/* =============================================================
   SECTION TITLES
   ============================================================= */
.section {
  padding: var(--spacing-xl) 0;
}

.section-label {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.section h2 {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--color-text-heading);
  margin-bottom: var(--spacing-md);
}


/* =============================================================
   DIVIDER
   ============================================================= */
.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}


/* =============================================================
   SKILL TAGS
   ============================================================= */
.skills-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.skill-tag {
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xl);
}


/* =============================================================
   PROJECT GRID (home page and portfolio page)
   ============================================================= */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.project-card:hover {
  border-color: var(--color-accent);
  transform: translateY(var(--card-lift));
}

.project-card-img {
  aspect-ratio: 3 / 4;
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card-body {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.project-card-body h3 {
  font-size: var(--font-size-base);
  color: var(--color-text-heading);
  margin-bottom: 0.25rem;
}

.project-card-body p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}


/* =============================================================
   ABOUT PAGE
   ============================================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr var(--about-photo-width);
  gap: var(--spacing-xl);
  align-items: start;
}

.about-photo {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-sm));
}

.about-photo img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  filter: var(--photo-filter);
}

.about-photo::after {
  content: '';
  display: block;
  height: var(--photo-underline-h);
  margin-top: var(--spacing-sm);
  border-radius: var(--radius);
  background: var(--photo-underline);
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
}

.about-text p:first-of-type {
  font-size: var(--font-size-xl);
  color: var(--color-text);
}


/* =============================================================
   CONTACT STRIP (CTA banner reused across pages)
   ============================================================= */
.contact-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
}

.contact-strip h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-heading);
}

.contact-strip p {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-top: 0.25rem;
}


/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-size: var(--font-size-sm);
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-heading);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-heading);
  box-shadow: var(--btn-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}


/* =============================================================
   ACHIEVEMENTS PAGE
   ============================================================= */
.achievement-group {
  margin-bottom: var(--spacing-lg);
}

.achievement-group-title {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border);
}

.achievement-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-sm);
  align-items: start;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.achievement-item:last-child {
  border-bottom: none;
}

.achievement-title {
  font-size: var(--font-size-lg);
  color: var(--color-text-heading);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.achievement-issuer {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.achievement-detail {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  max-width: 580px;
  line-height: var(--line-height-normal);
}

.achievement-detail ul {
  margin-top: 0.5rem;
  padding-left: 1.25rem;
}

.achievement-detail ul li {
  margin-bottom: 0.25rem;
}

.achievement-year {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 0.25rem 0.75rem;
  white-space: nowrap;
  height: fit-content;
}

.achievement-images {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.achievement-images img {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  max-height: 160px;
  width: auto;
}

.verify-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-top: 0.5rem;
  border: 1px solid var(--color-accent-border);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-xl);
  transition: background var(--transition);
}

.verify-link:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  text-decoration: none;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-card .number {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
  display: block;
}

.stat-card .label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 600px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .achievement-item { grid-template-columns: 1fr; }
}


/* =============================================================
   CONTACT PAGE
   ============================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-icon {
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: var(--font-size-lg);
}

.contact-detail-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: 0.2rem;
}

.contact-detail-value {
  font-size: var(--font-size-base);
  color: var(--color-text-heading);
}

.contact-detail-value a {
  color: var(--color-text-heading);
}

.contact-detail-value a:hover {
  color: var(--color-accent);
}

.social-row {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  text-decoration: none;
}

.social-btn:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.form-group input,
.form-group textarea {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  padding: 0.65rem 0.9rem;
  width: 100%;
  transition: border-color var(--transition);
  resize: none;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-disabled);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.form-note {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}


/* =============================================================
   PROJECT PAGE
   ============================================================= */
.project-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.project-hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, var(--color-bg) 10%, transparent 60%),
    linear-gradient(135deg, var(--color-hero-grad-left) 0%, var(--color-hero-grad-mid) 50%, var(--color-hero-grad-right) 100%);
  z-index: 0;
}

.project-hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translateX(-50%);
  width: var(--glow-size-sm);
  height: var(--glow-height-sm);
  background: radial-gradient(ellipse, var(--color-accent-glow-sm) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.project-hero-content {
  position: relative;
  z-index: 1;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  width: 100%;
}

.project-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-accent-border);
  color: var(--color-accent);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-sm);
}

.project-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--color-text-heading);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-xs);
}

.project-hero-tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.project-meta-strip {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.project-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.project-meta-item span:first-child {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.project-meta-item span:last-child {
  font-size: var(--font-size-sm);
  color: var(--color-text-heading);
}

.project-body {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: var(--spacing-xl);
  align-items: start;
  padding: var(--spacing-lg) 0;
}

.project-content h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-heading);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.project-content h3:first-child {
  margin-top: 0;
}

.project-content p {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  margin-bottom: var(--spacing-sm);
}

.project-content blockquote {
  border-left: var(--blockquote-border) solid var(--color-accent);
  margin: var(--spacing-md) 0;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.project-content blockquote p {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 0;
  font-size: var(--font-size-lg);
}

.project-content blockquote cite {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  font-style: normal;
}

.project-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-sm));
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.sidebar-card h4 {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: var(--spacing-sm);
}

.sidebar-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.sidebar-stat-row:last-child {
  border-bottom: none;
}

.sidebar-stat-row span:first-child {
  color: var(--color-text-muted);
}

.sidebar-stat-row span:last-child {
  color: var(--color-text-heading);
  font-weight: 500;
}

.chapter-list {
  list-style: none;
  counter-reset: chapter;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.chapter-list li {
  counter-increment: chapter;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

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

.chapter-list li::before {
  content: counter(chapter, decimal-leading-zero);
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: 600;
  min-width: 24px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

@media (max-width: 768px) {
  .project-body { grid-template-columns: 1fr; }
  .project-sidebar { position: static; }
  .project-meta-strip { gap: var(--spacing-sm); }
}


/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2.25rem;
    --font-size-2xl: 1.75rem;
  }

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-photo {
    max-width: 240px;
    margin: 0 auto;
    order: -1;
  }

  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-photo {
    position: static;
    max-width: 240px;
    margin: 0 auto;
  }

  nav { gap: var(--spacing-sm); }

  .footer-links { align-items: flex-start; }
  .footer-social { justify-content: flex-start; }
}

/* =============================================================
   PORTFOLIO PAGE - TAB SWITCHER
   ============================================================= */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.sub-tab-bar {
  display: none;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.sub-tab-bar.visible {
  display: flex;
}

.sub-tab-btn {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.sub-tab-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.sub-tab-btn.active {
  background: var(--color-accent-soft);
  border-color: var(--color-accent-border);
  color: var(--color-accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.sub-panel {
  display: none;
}

.sub-panel.active {
  display: block;
}


/* =============================================================
   PORTFOLIO PAGE - BANNER
   ============================================================= */
.portfolio-banner {
  width: 100%;
  max-height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  filter: var(--photo-filter);
}


/* =============================================================
   PORTFOLIO PAGE - GAMES GRID
   ============================================================= */
.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}

.game-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
  text-decoration: none;
  display: block;
}

.game-card:hover {
  border-color: var(--color-accent);
  transform: translateY(var(--card-lift));
  text-decoration: none;
}

.game-card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
}

.game-card-body {
  padding: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.game-card-body h3 {
  font-size: var(--font-size-base);
  color: var(--color-text-heading);
  margin-bottom: 0.25rem;
}

.game-card-body p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}


/* =============================================================
   PORTFOLIO PAGE - NARRATIVE CARDS
   ============================================================= */
.narrative-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.narrative-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-sm);
  align-items: start;
  transition: border-color var(--transition);
}

.narrative-card:hover {
  border-color: var(--color-accent);
}

.narrative-card-label {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: 0.3rem;
}

.narrative-card h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-heading);
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-tight);
}

.narrative-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  max-width: 640px;
}

.narrative-card-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}


/* =============================================================
   PORTFOLIO PAGE - ART PLACEHOLDER
   ============================================================= */
.art-coming-soon {
  text-align: center;
  padding: var(--spacing-xl) 0;
  color: var(--color-text-muted);
}

.art-coming-soon p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}


/* =============================================================
   PORTFOLIO PAGE - INFO STRIP
   ============================================================= */
.info-strip {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.info-strip p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  flex: 1;
}

.info-strip p strong {
  color: var(--color-text-heading);
}

@media (max-width: 600px) {
  .games-grid { grid-template-columns: 1fr; }
  .narrative-card { grid-template-columns: 1fr; }
  .narrative-card-actions { flex-direction: row; align-items: flex-start; }
  .tab-btn { padding: var(--spacing-sm) var(--spacing-sm); font-size: var(--font-size-xs); }
}


/* =============================================================
   EXTRACTED COMPONENT & UTILITY CLASSES
   (moved out of inline style="" attributes - reusable patterns)
   ============================================================= */

/* Footer mini-nav (repeated in every page footer) */
.footer-nav {
  display: flex;
  gap: var(--spacing-sm);
}

/* Lead intro paragraph reused on several pages */
.lead {
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin-bottom: var(--spacing-lg);
}

/* Inline action button row (about + project pages) */
.btn-row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

/* Section spacing utilities (repeated section paddings) */
.section-flush-bottom { padding-bottom: 0; }
.section-tight-top { padding-top: var(--spacing-md); }

/* Generic page title used on game and narrative pages */
.page-title {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--color-text-heading);
  margin-bottom: var(--spacing-xs);
}

/* Highlights grid (about page) */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

/* Flush card body + inner pieces (highlight + response cards) */
.card-body-flush {
  border-top: none;
  padding: var(--spacing-md);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.card-heading {
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}


/* =============================================================
   GAME & NARRATIVE PAGES
   ============================================================= */
.game-page-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  filter: var(--photo-filter);
}

.game-body {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: var(--spacing-xl);
  align-items: start;
  padding: var(--spacing-lg) 0;
}

.game-resource-section {
  margin-bottom: var(--spacing-sm);
}

.game-resource-title {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  margin-bottom: 0.4rem;
  display: block;
}

.game-resource-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0;
  margin: 0;
}

.game-resource-list li {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.game-resource-list li::before {
  content: "— ";
  color: var(--color-accent);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.process-grid img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: block;
}

.placeholder-notice {
  background: var(--color-surface);
  border: 1px solid var(--color-accent-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.placeholder-notice strong {
  display: block;
  color: var(--color-accent);
  font-size: var(--font-size-lg);
  margin-bottom: 0.4rem;
}

.game-content h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  color: var(--color-text-heading);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

.game-content h3:first-child {
  margin-top: 0;
}

.game-content p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
  line-height: var(--line-height-loose);
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
  .game-body { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .process-grid { grid-template-columns: 1fr; }
}


/* =============================================================
   RESPONSIVE - SMALL PHONES (consolidated, keep at very bottom)
   ============================================================= */
@media (max-width: 480px) {

  /* a) Header: stack brand on top, nav below, smaller nav font */
  header .container {
    flex-direction: column;
    align-items: flex-start;
    height: auto;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  nav a { font-size: var(--font-size-xs); }

  /* b) Hero: single column, photo above, capped at 200px centered */
  .hero .container { grid-template-columns: 1fr; }

  .hero-photo {
    max-width: 200px;
    margin: 0 auto;
    order: -1;
  }

  /* n) Hero action buttons stack full width */
  .hero-actions { flex-direction: column; }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* c) Project grid single column */
  .project-grid { grid-template-columns: 1fr; }

  /* d) About: single column, photo capped at 200px centered */
  .about-grid { grid-template-columns: 1fr; }

  .about-photo {
    position: static;
    max-width: 200px;
    margin: 0 auto;
  }

  /* e) Contact grid single column */
  .contact-grid { grid-template-columns: 1fr; }

  /* f) Stats strip 2 columns */
  .stats-strip { grid-template-columns: repeat(2, 1fr); }

  /* g) Achievement item single column */
  .achievement-item { grid-template-columns: 1fr; }

  /* h) Project body single column, sidebar below */
  .project-body { grid-template-columns: 1fr; }
  .project-sidebar { position: static; }

  /* i) Narrative card single column, actions row below text */
  .narrative-card { grid-template-columns: 1fr; }
  .narrative-card-actions { flex-direction: row; align-items: flex-start; }

  /* j) Games grid single column */
  .games-grid { grid-template-columns: 1fr; }

  /* k) Tab buttons shrink so all three fit one row */
  .tab-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  /* l) Contact strip stack vertically, button full width */
  .contact-strip {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
    padding: var(--spacing-md);
  }

  .contact-strip .btn {
    width: 100%;
    justify-content: center;
  }

  /* m) Form row single column */
  .form-row { grid-template-columns: 1fr; }

  /* o) Footer stacks, centered */
  footer .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links { align-items: center; }
  .footer-social { justify-content: center; }

  /* Game / narrative / highlights single column */
  .game-body { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
}

/* =============================================================
   RESPONSIVE - VERY SMALL PHONES (320px)
   ============================================================= */
@media (max-width: 320px) {

  /* p) Stats strip drops to a single column */
  .stats-strip { grid-template-columns: 1fr; }
}