/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  --ink: #120E16;
  --concrete: #26222B;
  --bone: #EDE7DD;
  --vermillion: #C8281E;
  --purple: #4B2170;
  --brass: #D9A62E;

  --font-display: "Big Shoulders Stencil Text", sans-serif;
  --font-body: "Work Sans", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --measure: 62ch;
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: 0.01em;
}

/* ==========================================================================
   Hazard strip — structural divider, used sparingly
   ========================================================================== */
.hazard-strip {
  height: 10px;
  background: repeating-linear-gradient(
    135deg,
    var(--purple) 0 16px,
    var(--ink) 16px 32px
  );
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(1.25rem, 5vw, 4rem);
}

.seal svg circle:first-child,
.seal svg path,
.seal svg rect {
  transition: transform 0.2s ease;
}
.seal:hover svg {
  transform: rotate(8deg);
}
.seal svg { display: block; transition: transform 0.2s ease; }

.site-nav {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.site-nav a {
  position: relative;
  padding-bottom: 3px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--vermillion);
  transition: width 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.site-nav a[aria-current="true"] {
  color: var(--purple);
}

.site-nav a[aria-current="true"]::after {
  width: 100%;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: clamp(2rem, 8vw, 5rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 8vw, 6rem);
  max-width: 1400px;
}

.hero-name {
  display: flex;
  flex-direction: column;
  font-weight: 800;
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  line-height: 0.88;
  color: var(--bone);
  margin-left: clamp(-0.5rem, -2vw, -1.5rem);
  text-transform: uppercase;
}

.hero-name span {
  opacity: 0;
  transform: translateY(0.3em);
  animation: rise 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.hero-name span:last-child { animation-delay: 0.12s; }
.hero-role, .hero-divider, .hero-intro { opacity: 0; animation: rise 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; animation-delay: 0.28s; }

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-name span, .hero-role, .hero-divider, .hero-intro {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.hero-name span:last-child {
  color: var(--purple);
}

.hero-role {
  font-family: var(--font-mono);
  font-size: 2rem;
  letter-spacing: 0.04em;
  color: var(--brass);
  margin: 1.25rem 0 0;
}

.hero-divider {
  width: 120px;
  height: 6px;
  margin: 2rem 0;
  background: repeating-linear-gradient(
    135deg,
    var(--purple) 0 8px,
    transparent 8px 16px
  );
}

.hero-intro {
  max-width: var(--measure);
  font-size: 1.15rem;
  color: var(--bone);
  opacity: 0.92;
}

/* ==========================================================================
   Section heading
   ========================================================================== */
.section-heading {
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* ==========================================================================
   Work
   ========================================================================== */
.work {
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
}

.project {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
}

.project-media {
  position: relative;
}

.bullet-burst {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--concrete);
}

.project-thumb {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--concrete);
}

.project-media .project-thumb {
  max-width: 460px;
}

.video-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--concrete);
  overflow: hidden;
  background: var(--concrete);
}

.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-decoration: none;
  transition: background 0.2s ease;
}

.video-placeholder:hover,
.video-placeholder:focus-visible {
  background: var(--ink);
}

.video-placeholder span {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--bone);
}

.media-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass);
  opacity: 0.75;
  margin: 0.5rem 0 0;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--brass);
  background: color-mix(in srgb, var(--purple) 18%, transparent);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  margin: 0 0 1rem;
}

.project-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.project-desc {
  max-width: 48ch;
  margin: 0 0 1.25rem;
  opacity: 0.9;
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 1.5rem;
}

.project-meta li {
  border: 1px solid var(--concrete);
  padding: 0.25rem 0.6rem;
}

.project-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--vermillion);
  border-bottom: 2px solid var(--vermillion);
  padding-bottom: 2px;
}

.project-link:hover,
.project-link:focus-visible {
  color: var(--bone);
  border-color: var(--bone);
}

.work-note {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bone);
  opacity: 0.5;
  margin-top: 2rem;
}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills {
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
}

.skills-strip {
  display: flex;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.skills-strip li {
  padding: 0.6rem 1.4rem 0.6rem 0;
  margin-right: 1.4rem;
  border-right: 1px solid var(--concrete);
}

.skills-strip li:last-child {
  border-right: none;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact {
  padding: clamp(4rem, 10vw, 7rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
  text-align: center;
}

.seal--large {
  margin-bottom: 1.5rem;
}

.contact-heading {
  font-size: clamp(2.5rem, 8vw, 5rem);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.contact-email {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--vermillion);
  border-bottom: 2px solid var(--vermillion);
  padding-bottom: 3px;
}

.contact-email:hover,
.contact-email:focus-visible {
  color: var(--bone);
  border-color: var(--bone);
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 2.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.contact-links a {
  border-bottom: 1px solid transparent;
}

.contact-links a:hover,
.contact-links a:focus-visible {
  border-color: var(--bone);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  text-align: center;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ==========================================================================
   About page
   ========================================================================== */
.about-intro {
  padding: clamp(2rem, 8vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 4rem);
  max-width: 1400px;
}

.about-photo img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--concrete);
}

.intro-text .hero-intro {
  margin-bottom: 1.5rem;
}

.gallery {
  padding: clamp(3rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
}

.carousel {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  border: 1px solid var(--concrete);
  overflow: hidden;
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.4s ease;
}

@media (prefers-reduced-motion: reduce) {
  .carousel-track {
    transition: none;
  }
}

.carousel-slide {
  flex: 0 0 100%;
  margin: 0;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
}

.carousel-slide figcaption {
  padding: 0.75rem 1rem;
}

.carousel-btn {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 48px;
  background: rgba(18, 14, 22, 0.7);
  border: none;
  border-left: 1px solid var(--concrete);
  color: var(--bone);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.carousel-prev {
  left: 0;
  border-left: none;
  border-right: 1px solid var(--concrete);
}

.carousel-next {
  right: 0;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  background: var(--vermillion);
}

/* ==========================================================================
   Case study page
   ========================================================================== */
.purple-strip {
  height: 10px;
  background: repeating-linear-gradient(
    135deg,
    var(--purple) 0 16px,
    var(--ink) 16px 32px
  );
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
  margin-top: 2rem;
}

.intro-text {
  display: flex;
  flex-direction: column;
}

.elevator-pitch {
  font-size: 1.15rem;
  opacity: 0.92;
  margin: 0 0 2rem;
  max-width: 52ch;
}

.subsection-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  text-transform: uppercase;
  margin: 2.5rem 0 1rem;
}

.goals-list li,
.achievements-challenges .achievements-list li {
  max-width: 64ch;
}

.goals-list li strong {
  color: var(--brass);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-transform: none;
}

.achievements-challenges {
  padding: clamp(3rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.ac-column .section-heading {
  margin-bottom: 1.5rem;
}

.project-hero {
  padding: clamp(2rem, 8vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 4rem);
  max-width: 1400px;
}

.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bone);
  opacity: 0.6;
  border-bottom: 1px solid transparent;
  margin-bottom: 1.5rem;
}

.back-link:hover,
.back-link:focus-visible {
  opacity: 1;
  border-color: var(--bone);
}

.project-page-title {
  font-weight: 800;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  text-transform: uppercase;
  line-height: 0.95;
  margin: 0.5rem 0 1.5rem;
}

.specs {
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 4rem);
  max-width: 1400px;
}

.specs-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem 1rem;
  margin: 0;
}

.specs-item {
  border-top: 2px solid var(--concrete);
  padding-top: 0.6rem;
}

.specs-item dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brass);
  margin-bottom: 0.4rem;
}

.specs-item dd {
  margin: 0;
  font-size: 1.05rem;
}

.overview {
  padding: clamp(3rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
}

.goals {
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(3rem, 6vw, 4rem);
  max-width: 1400px;
}

.contributions,
.learnings {
  padding: clamp(3rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem);
  max-width: 1400px;
}

.contributions .hero-intro {
  margin-bottom: 2rem;
}

.sketch-figure {
  margin: 0 0 2.5rem;
  max-width: 320px;
}

.sketch-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--concrete);
  background: var(--bone);
}

.sketch-figure figcaption {
  margin-top: 0.6rem;
}

.tagline {
  max-width: var(--measure);
  font-size: 1.15rem;
  opacity: 0.85;
  margin: 0 0 2rem;
}

.achievements-heading {
  font-size: 1.1rem;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--brass);
  margin: 2rem 0 1rem;
}

.achievements-list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.6rem;
  max-width: 60ch;
}

.achievements-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--vermillion);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 760px) {
  .project {
    grid-template-columns: 1fr;
  }

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

  .achievements-challenges {
    grid-template-columns: 1fr;
  }

  .hero-name {
    margin-left: 0;
  }

  .contact-links {
    flex-direction: column;
    gap: 1rem;
  }
}