/* ================================================================
   1. FONTS AND DESIGN VARIABLES
   ================================================================ */

@import url("https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500;600;700&family=Roboto+Condensed:wght@300;400;500;600;700&display=swap");

:root {
  /* Colours */
  --bg: #08090b;
  --surface: rgba(17, 19, 23, 0.78);
  --surface-solid: #111317;

  --text: #f4f2ed;
  --muted: #a9abb0;

  --accent: #a0ec91;
  --accent-light: #effff1;

  --line: rgba(255, 255, 255, 0.16);

  /* Fonts */
  --display-font: "Oswald", sans-serif;
  --body-font: "Roboto Condensed", sans-serif;

  /*
    Consistent responsive heading sizes.

    These respond to both screen width and screen height, preventing
    headings from becoming excessively tall on wide monitors.
  */
  --heading-page: clamp(
    3.4rem,
    min(6.2vw, 9.5vh),
    6.8rem
  );

  --heading-section: clamp(
    2.7rem,
    min(4.8vw, 7.5vh),
    5.2rem
  );

  --heading-card: clamp(
    1.8rem,
    min(2.8vw, 4.5vh),
    3.2rem
  );

  --heading-small: clamp(
    1.35rem,
    2vw,
    1.9rem
  );

  /* Layout */
  --max-width: 1240px;
  --navigation-height: 86px;
}


/* ================================================================
   2. RESET AND GLOBAL STYLES
   ================================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;

  color: var(--text);
  background-color: var(--bg);

  font-family: var(--body-font);
  font-size: 1.05rem;
  line-height: 1.6;

  overflow-x: hidden;
}

main {
  position: relative;
}

a {
  color: inherit;
}

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

button {
  cursor: pointer;
}

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

.wrap {
  width: min(
    var(--max-width),
    calc(100% - 4rem)
  );

  margin-inline: auto;
}


/* ================================================================
   3. BACKGROUND EFFECTS
   ================================================================ */

body::before {
  content: "";

  position: fixed;
  inset: 0;
  z-index: -4;

  background:
    radial-gradient(
      circle at 20% 25%,
      rgba(185, 183, 230, 0.1),
      transparent 32rem
    ),
    radial-gradient(
      circle at 80% 75%,
      rgba(255, 255, 255, 0.055),
      transparent 29rem
    ),
    linear-gradient(
      rgba(7, 8, 10, 0.2),
      rgba(7, 8, 10, 0.72)
    );

  pointer-events: none;
}

/* Subtle film-grain texture */

body::after {
  content: "";

  position: fixed;
  inset: 0;
  z-index: -3;

  opacity: 0.085;

  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='.65'/%3E%3C/svg%3E");

  pointer-events: none;
}

/* Canvas created automatically by script.js */

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -5;

  width: 100%;
  height: 100%;

  pointer-events: none;
}


/* ================================================================
   4. NAVIGATION
   ================================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 100;

  width: min(
    var(--max-width),
    calc(100% - 4rem)
  );

  min-height: var(--navigation-height);

  display: flex;
  align-items: center;
  justify-content: space-between;

  transform: translateX(-50%);

  border-bottom: 1px solid var(--line);
}

.site-header::before {
  content: "";

  position: absolute;
  inset: 0 -100vw;
  z-index: -1;

  background: linear-gradient(
    to bottom,
    rgba(8, 9, 11, 0.95),
    rgba(8, 9, 11, 0.36)
  );

  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.brand {
  color: var(--text);

  font-family: var(--display-font);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: 0.08em;

  text-decoration: none;
}

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

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav a {
  position: relative;

  padding: 0.55rem 0.85rem;

  color: var(--muted);

  font-family: var(--display-font);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;

  text-decoration: none;

  transition: color 200ms ease;
}

.site-nav a::after {
  content: "";

  position: absolute;
  right: 0.85rem;
  bottom: 0.2rem;
  left: 0.85rem;

  height: 1px;

  background: var(--accent-light);

  transform: scaleX(0);
  transform-origin: left;

  transition: transform 220ms ease;
}

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

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;

  padding: 0.5rem 0;

  color: var(--text);
  background: transparent;

  border: 0;

  font-family: var(--display-font);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


/* ================================================================
   5. CONSISTENT TYPOGRAPHY
   ================================================================ */

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display-font);
  font-weight: 500;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 1000px;

  margin-bottom: 1rem;

  font-size: var(--heading-page);
  line-height: 0.89;
  text-transform: uppercase;
}

h2 {
  margin-bottom: 1.1rem;

  font-size: var(--heading-section);
  line-height: 0.92;
  text-transform: uppercase;
}

h3 {
  margin-bottom: 0.8rem;

  font-size: var(--heading-small);
  line-height: 1;
}

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

.eyebrow {
  margin-bottom: 0.7rem;

  color: var(--accent);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lead {
  max-width: 62ch;

  margin-bottom: 0;

  color: #c8c9ce;

  font-size: clamp(
    1rem,
    min(1.35vw, 2.2vh),
    1.3rem
  );

  font-weight: 300;
  line-height: 1.45;
}

.section-heading {
  position: relative;
  z-index: 2;

  max-width: 900px;

  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.section-heading > p:last-child {
  color: var(--muted);
}


/* ================================================================
   6. HERO SECTIONS

   Both the About hero and page heroes fit within the first screen
   on desktop.
   ================================================================ */

.hero,
.page-hero {
  position: relative;

  height: 100vh;
  height: 100svh;

  min-height: 0;

  padding-top:
    calc(var(--navigation-height) + 1.5rem);

  padding-bottom: 1.5rem;

  align-items: center;

  overflow: hidden;
}

.hero {
  display: grid;

  grid-template-columns:
    minmax(0, 1.3fr)
    minmax(260px, 0.7fr);

  gap: clamp(2rem, 4vw, 5rem);
}

.page-hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.hero-copy {
  position: relative;
  z-index: 2;

  min-width: 0;
}

/* Decorative orbital circles */

.hero::before,
.page-hero::before {
  content: "";

  position: absolute;
  z-index: -1;

  top: 20%;
  right: 4%;

  width: clamp(280px, 42vw, 620px);
  aspect-ratio: 1;

  border: 1px solid rgba(220, 219, 255, 0.3);
  border-radius: 50%;

  box-shadow:
    0 0 0 55px rgba(205, 203, 246, 0.025),
    0 0 0 120px rgba(205, 203, 246, 0.018),
    inset 0 0 90px rgba(205, 203, 246, 0.055);

  animation: orbit 18s linear infinite;
}

.hero::after,
.page-hero::after {
  content: "";

  position: absolute;
  z-index: -1;

  top: 31%;
  right: 13%;

  width: clamp(160px, 23vw, 350px);
  aspect-ratio: 1;

  border-radius: 50%;

  background:
    radial-gradient(
      circle at 38% 30%,
      rgba(255, 255, 255, 0.46),
      rgba(183, 181, 223, 0.16) 28%,
      rgba(10, 11, 14, 0.08) 66%
    );

  filter: blur(2px);

  box-shadow:
    0 0 80px rgba(200, 199, 239, 0.13),
    inset -30px -20px 70px rgba(0, 0, 0, 0.7);
}

.profile-image {
  position: relative;
  z-index: 1;

  width: auto;
  max-width: 100%;

  height: min(66vh, 680px);
  height: min(66svh, 680px);

  aspect-ratio: auto;

  justify-self: end;

  object-fit: cover;
  object-position: center top;

  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 48% 48% 2px 2px;

  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.55);

  transition:
    filter 400ms ease,
    transform 400ms ease;
}

.profile-image:hover {
  transform: scale(1.005);
}


/* ================================================================
   7. BUTTONS
   ================================================================ */

.actions,
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;

  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 44px;

  padding: 0.62rem 1rem;

  color: var(--text);
  background: rgba(8, 9, 11, 0.4);

  border: 1px solid var(--line);

  font-family: var(--display-font);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;

  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.button.primary {
  color: #0a0b0d;
  background: var(--text);
  border-color: var(--text);
}

.button:hover {
  transform: translateY(-3px);
}

.button.primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
}

.button.secondary:hover {
  color: #0a0b0d;
  background: var(--accent-light);
  border-color: var(--accent-light);
}


/* ================================================================
   8. GENERAL CONTENT SECTIONS
   ================================================================ */

.section {
  position: relative;

  min-height: 100svh;

  padding-top: clamp(6rem, 10vw, 9rem);
  padding-bottom: clamp(6rem, 10vw, 9rem);

  display: flex;
  flex-direction: column;
  justify-content: center;

  border-top: 1px solid var(--line);
}

/*
  script.js automatically adds data-section="01", "02" and so on.
*/

.section::after {
  content: attr(data-section);

  position: absolute;
  top: 2rem;
  right: 0;
  z-index: -1;

  color: rgba(255, 255, 255, 0.11);

  font-family: var(--display-font);
  font-size: clamp(5rem, 14vw, 13rem);
  font-weight: 600;
  line-height: 1;

  pointer-events: none;
}

.panel {
  border: 1px solid var(--line);

  background:
    linear-gradient(
      145deg,
      rgba(22, 24, 29, 0.83),
      rgba(10, 11, 14, 0.8)
    );

  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}


/* ================================================================
   9. ABOUT PAGE
   ================================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;

  gap: 1px;

  background: var(--line);

  border: 1px solid var(--line);
}

.prose,
.quick-facts {
  padding: clamp(1.6rem, 4vw, 3.2rem);

  border: 0;
}

.prose p {
  color: #c3c4c9;

  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
}

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

.quick-facts h3 {
  text-transform: uppercase;
}

.quick-facts dl,
.quick-facts dl div {
  margin: 0;
}

.quick-facts dl div {
  padding: 1.1rem 0;

  border-top: 1px solid var(--line);
}

.quick-facts dt {
  color: var(--muted);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quick-facts dd {
  margin: 0.35rem 0 0;

  font-size: 1.05rem;
}


/* ================================================================
   10. SKILL AND GOAL CARDS
   ================================================================ */

.skill-grid,
.goal-grid {
  display: grid;

  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.skill-grid {
  grid-template-columns: repeat(4, 1fr);
}

.goal-grid {
  grid-template-columns: repeat(3, 1fr);
}

.skill-card,
.goal-card {
  position: relative;

  min-height: 315px;

  padding: 1.7rem;

  overflow: hidden;

  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);

  background: rgba(10, 11, 14, 0.52);

  transition:
    color 250ms ease,
    background-color 250ms ease,
    transform 250ms ease;
}

.goal-card {
  min-height: 370px;
}

.skill-card::before,
.goal-card::before {
  content: "";

  position: absolute;
  right: -20%;
  bottom: -55%;

  width: 180px;
  aspect-ratio: 1;

  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;

  transition:
    border-color 450ms ease,
    transform 450ms ease;
}

.skill-card:hover,
.goal-card:hover {
  color: #090a0c;
  background: var(--accent-light);

  transform: translateY(-4px);
}

.skill-card:hover::before,
.goal-card:hover::before {
  border-color: rgba(0, 0, 0, 0.23);

  transform: scale(1.8);
}

.skill-card > span,
.goal-card > span {
  display: block;

  margin-bottom: 5rem;

  color: var(--accent);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.75rem;
  font-weight: 700;
}

.skill-card h3,
.goal-card h3 {
  position: relative;
  z-index: 1;

  text-transform: uppercase;
}

.skill-card p,
.goal-card p {
  position: relative;
  z-index: 1;

  margin-bottom: 0;

  color: var(--muted);
}

.skill-card:hover > span,
.goal-card:hover > span,
.skill-card:hover p,
.goal-card:hover p {
  color: #303137;
}


/* ================================================================
   11. EXPERIENCE AND EDUCATION TIMELINES
   ================================================================ */

.timeline {
  border-top: 1px solid var(--line);
}

.timeline article {
  display: grid;

  grid-template-columns:
    minmax(150px, 0.28fr)
    1fr;

  gap: clamp(2rem, 6vw, 7rem);

  padding: 2rem 0;

  border-bottom: 1px solid var(--line);

  transition:
    padding-left 220ms ease,
    background 220ms ease;
}

.timeline article:hover {
  padding-left: 1rem;

  background:
    linear-gradient(
      90deg,
      rgba(200, 199, 239, 0.08),
      transparent
    );
}

.timeline-date {
  color: var(--accent);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.timeline h3 {
  margin-bottom: 0.5rem;

  text-transform: uppercase;
}

.timeline p {
  margin: 0;

  color: var(--muted);
}


/* ================================================================
   12. PROJECT FILTERS
   ================================================================ */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;

  margin-bottom: 3rem;
}

.filter {
  padding: 0.65rem 1rem;

  color: var(--muted);
  background: rgba(8, 9, 11, 0.55);

  border: 1px solid var(--line);

  font-family: var(--display-font);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;

  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease;
}

.filter:hover,
.filter.active {
  color: #0b0c0e;
  background: var(--accent-light);
  border-color: var(--accent-light);
}


/* ================================================================
   13. PROJECT CARDS
   ================================================================ */

.project-grid {
  display: grid;

  grid-template-columns:
    repeat(2, minmax(0, 1fr));

  gap: clamp(2rem, 5vw, 5rem);
}

.project-card {
  position: relative;

  padding-top: 1.5rem;

  border-top: 1px solid var(--line);

  background: transparent;
}

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

.project-image {
  display: block;

  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 0;

  object-fit: cover;
  object-position: center;

  overflow: hidden;

  border: 1px solid var(--line);
  border-radius: 0;

  filter: grayscale(1) contrast(1.05);

  transition:
    filter 400ms ease,
    transform 400ms ease;
}

.project-card:hover .project-image {
  filter: grayscale(0) contrast(1);

  transform: scale(0.985);
}

.image-placeholder {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.5rem;

  color: var(--muted);

  background:
    radial-gradient(
      circle,
      #242630,
      #0c0d10 68%
    );
}

.project-image.image-placeholder {
  min-height: 0;
}

.project-image.image-placeholder span {
  color: var(--accent-light);

  font-family: var(--display-font);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 500;
  line-height: 1;
}

.project-image.image-placeholder small {
  color: var(--muted);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.project-body {
  padding-top: 1.6rem;
}

.project-body h2 {
  margin-bottom: 1rem;

  font-size: var(--heading-card);
  line-height: 0.95;
}

.project-body > p {
  max-width: 630px;

  color: var(--muted);
}

.project-note {
  padding-left: 0.9rem;

  border-left: 1px solid var(--accent);

  font-size: 0.9rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;

  margin-bottom: 1rem;
}

.tags span {
  color: var(--accent);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tags span + span::before {
  content: "/";

  margin-right: 0.5rem;

  color: #63646a;
}

.project-links a {
  font-family: var(--display-font);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-underline-offset: 5px;
  text-transform: uppercase;
}

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

.empty-state {
  padding: 4rem 0;

  color: var(--muted);

  text-align: center;
}


/* ================================================================
   14. GOALS AND PROGRESS TRACKER
   ================================================================ */

.progress-list {
  display: grid;

  border-top: 1px solid var(--line);
}

.progress-item {
  padding: 2rem 0;

  border-bottom: 1px solid var(--line);

  background: transparent;
}

.progress-copy {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.progress-copy h3 {
  margin-bottom: 0.45rem;

  text-transform: uppercase;
}

.progress-copy p {
  margin-bottom: 1.25rem;

  color: var(--muted);
}

.progress-copy strong {
  color: var(--accent);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;

  white-space: nowrap;
}

.progress-track {
  height: 2px;

  overflow: hidden;

  background: rgba(255, 255, 255, 0.14);
}

.progress-track span {
  display: block;

  width: var(--progress);
  height: 100%;

  background: var(--accent-light);

  transform-origin: left;
}


/* ================================================================
   15. FOOTER
   ================================================================ */

.site-footer {
  padding-top: 2.3rem;
  padding-bottom: 2.3rem;

  color: var(--muted);

  border-top: 1px solid var(--line);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    monospace;

  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}


/* ================================================================
   16. SCROLL REVEAL EFFECTS
   ================================================================ */

.reveal {
  opacity: 0;

  transform: translateY(42px);

  transition:
    opacity 900ms cubic-bezier(0.2, 0.75, 0.25, 1),
    transform 900ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.reveal.visible {
  opacity: 1;

  transform: none;
}

@keyframes orbit {
  0% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(180deg) scale(1.06);
  }

  100% {
    transform: rotate(360deg) scale(1);
  }
}


/* ================================================================
   17. SHORT DESKTOP AND LAPTOP SCREENS
   ================================================================ */

@media (min-width: 901px) and (max-height: 750px) {
  :root {
    --heading-page: clamp(
      3rem,
      min(5.4vw, 8.5vh),
      5.5rem
    );

    --heading-section: clamp(
      2.4rem,
      min(4.2vw, 7vh),
      4.4rem
    );
  }

  .hero,
  .page-hero {
    padding-top:
      calc(var(--navigation-height) + 1rem);

    padding-bottom: 1rem;
  }

  .profile-image {
    height: 61vh;
    height: 61svh;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.35;
  }

  .actions {
    margin-top: 0.85rem;
  }
}


/* ================================================================
   18. TABLET RESPONSIVENESS
   ================================================================ */

@media (max-width: 900px) {
  :root {
    --heading-page: clamp(
      3.5rem,
      11vw,
      6rem
    );

    --heading-section: clamp(
      2.8rem,
      9vw,
      4.8rem
    );

    --heading-card: clamp(
      2rem,
      6vw,
      3.2rem
    );
  }

  .hero,
  .page-hero {
    height: auto;
    min-height: 100svh;

    overflow: visible;
  }

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

    padding-top:
      calc(var(--navigation-height) + 3rem);

    padding-bottom: 5rem;
  }

  .page-hero {
    justify-content: center;

    padding-top:
      calc(var(--navigation-height) + 3rem);

    padding-bottom: 4rem;
  }

  .profile-image {
    width: min(76vw, 430px);
    height: auto;

    justify-self: center;
  }

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

  .skill-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .goal-card {
    min-height: 300px;
  }

  .section {
    min-height: auto;
  }
}


/* ================================================================
   19. MOBILE RESPONSIVENESS
   ================================================================ */

@media (max-width: 680px) {
  :root {
    --navigation-height: 72px;

    --heading-page: clamp(
      3.1rem,
      16vw,
      5rem
    );

    --heading-section: clamp(
      2.6rem,
      13vw,
      4.2rem
    );

    --heading-card: clamp(
      2rem,
      10vw,
      3rem
    );
  }

  .wrap,
  .site-header {
    width: min(
      var(--max-width),
      calc(100% - 1.5rem)
    );
  }

  .site-header {
    min-height: var(--navigation-height);
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    display: none;

    position: absolute;
    top: var(--navigation-height);
    right: 0;
    left: 0;

    padding: 0.75rem;

    flex-direction: column;
    align-items: stretch;

    border: 1px solid var(--line);

    background: rgba(8, 9, 11, 0.98);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 0.9rem;
  }

  .site-nav a::after {
    right: 0.9rem;
    bottom: 0.45rem;
    left: 0.9rem;
  }

  .hero,
  .page-hero {
    padding-top:
      calc(var(--navigation-height) + 2.5rem);
  }

  .hero::before,
  .page-hero::before {
    top: 24%;
    right: -38%;
  }

  .hero::after,
  .page-hero::after {
    top: 31%;
    right: -8%;
  }

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

  .timeline article {
    grid-template-columns: 1fr;

    gap: 0.6rem;
  }

  .progress-copy {
    flex-direction: column;

    gap: 0;
  }

  .section::after {
    top: 1rem;
  }
}


/* ================================================================
   20. REDUCED-MOTION ACCESSIBILITY
   ================================================================ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;

    transform: none;

    transition: none;
  }

  .hero::before,
  .page-hero::before {
    animation: none;
  }

  .profile-image,
  .project-image,
  .button,
  .skill-card,
  .goal-card {
    transition: none;
  }
}