:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #6f6f6f;
  --color-link1: #96a1ff;
  --color-link2: #e88b66;
  --color-link3: #6ebaf0;
  --color-border: #e6e6e6;
  --color-accent: #1a1a1a;
  --radius: 12px;                 /* rounded corners for media */

  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica,
    Arial, sans-serif;
  --font-size-base: 17px;
  --line-height-base: 1.6;

  --content-width: 1200px;      /* centered column width */
  --nav-height: 72px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;
}


* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, ul {
  margin: 0 0 var(--space-sm) 0;
}

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

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

/* ---------------------------------------------------------------------*/


/* Visible keyboard focus state (accessibility) */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}


.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.text-link1 {
  color: var(--color-link1);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.text-link2 {
  color: var(--color-link2);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.text-link3 {
  color: var(--color-link3);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.dev-note {
  display: flex;
  justify-content: center;
  font-family: georgia, serif;
  font-size: 0.9rem;
  white-space: nowrap;
  align-items: center;
  color: var(--color-text-muted);
  padding: 0;
  margin: 0 0 var(--space-sm) 0;
  gap: var(--space-xs);
}

.dev-note-icon {
  width: 24px;
  height: 24px;
  display: block;
}

.split-row {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}
 /*assigning to direct children of split row with below rule*/
.split-row > * {
  flex-grow: var(--split, 1);
  flex-basis: 0;
  min-width: 0;
}

.layer-box {
  position: relative;
  width: 1000px;
  height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 0 auto var(--space-md);
}

.layer-box > * {
  position: absolute;
  top: 0;
  bottom: 0;

}

.layer-left  {
  left: 0;
  width: 50%;
}

.layer-right {
  right: 0;
  width: 50%;
}

.layer-box:hover .banner-image-caption {
  opacity: 1;
}

/* ---------------------------------------------------------------------*/


.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav .container {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: none;
  width: var(--content-width);
}

.nav-name {
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-name::after {
  content: "|";
  margin-left: var(--space-md);
  margin-right: var(--space-md);
  color: var(--color-border);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menus {
display: flex;
align-items: center;
}

.nav-links a {
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-text);
}

/* ---------------------------------------------------------------------*/

.hero {
  padding: var(--space-xl) 0 var(--space-md);
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
  max-width: 22ch;
}

.hero h2 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 500;
  line-height: 1.3;
  max-width: 28ch;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-family: georgia, serif;
  color: var(--color-text-muted);
  margin-top: 3rem;
  margin-bottom: 3rem;
  opacity: pow(calc(1 - var(--explode, 0)), 3);

}

.hero-stack{
  position: relative
}

.hero p {
  color: var(--color-text-muted);
  font-family: georgia, serif;

}

/* ---------------------------------------------------------------------*/

.exploder {
  position: absolute;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
  max-width: 1000px;
  --explode: 0;
  z-index: 1;

}

.exploder-part {
  position: absolute;
  top: 50%;
  left: 78%;
  width: 45%;
  transform:
    translate(-50%, -50%)
    translate(calc(var(--explode) * var(--dx)));
}

.exploder-part img {
  width: 100%;
  display: block;
}

/* ---------------------------------------------------------------------*/

.project-grid {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg) 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.project-tile-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  align-content: center;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--color-border);
}

.project-tile-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.project-tile-caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.project-tile a:hover .project-tile-caption,
.project-tile a:focus-visible .project-tile-caption {
  opacity: 1;
}

.project-tile a:hover .project-tile-image img {
  transform: scale(1.03);
}

.project-tile-caption .project-title,
.project-tile-caption .project-year {
  color: #ffffff;
}

.project-title {
  font-size: 1.3rem;
  font-weight: 600;
}

.project-year {
  font-size: 1.3rem;
  white-space: nowrap;
}

.banner-image {
  position: relative;
  width: 100%;
  aspect-ratio: 8 / 2.8;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
  background: var(--color-border);
}

.banner-image-caption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.banner-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.banner-link:hover .banner-image-caption,
.banner-link:focus-visible .banner-image-caption {
  opacity: 1;
}

.banner-link:hover .banner-image img {
  transform: scale(1.04);
}

.banner-image-caption .project-title,
.banner-image-caption .project-year {
  color: #ffffff;
}

.banner-image-caption .project-description {
  color: #ffffff;
}

/* ---------------------------------------------------------------------*/

.about {
  padding: var(--space-xl) 0;
}

.about h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.about-photo {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: var(--color-border);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
  flex-shrink: 0;
}

.about p {
  max-width: 80ch;
}

.about .contact {
  margin-top: var(--space-md);
}

.about-content {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.about-text {
  flex: 1;   /* takes up the remaining horizontal space */
}

/* ---------------------------------------------------------------------*/
.project-header {
  padding: var(--space-sm) 0 var(--space-md);
}

.project-header-row {
  display: flex;
  gap: 1%;
  align-items: flex-start;
}

.project-icon {
  margin-top: var(--space-lg);
  width: 10%;
  display: block;
  justify-content: center;
}

.project-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  margin-top: var(--space-lg);
  width: 100%;
}

.project-header .subtitle {
  color: var(--color-text-muted);
}

.project-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-border);
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.project-video {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  border-radius: var(--radius);
  overflow: hidden;
}

.project-video video {
  width: 100%;
  height: 100%;
  display: block;
  align-items: center;
  justify-content: center;

}

.project-section {
  /* margin-bottom: var(--space-sm); */
}

.project-section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.project-section p {
    margin-bottom: var(--space-md);

}

.project-image {
  width: 100%;
  margin-bottom: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.project-image img {
  border-radius: var(--radius);
  overflow: hidden;
}

.project-image figcaption {
  margin-top: var(--space-xs);
}

/* ---------------------------------------------------------------------*/

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) 0;
  text-align: center;
}

.back-to-top {
  font-family: georgia, serif;
  color: var(--color-text-muted);
  font-size: 0.9rem;

}

.back-to-top:hover {
  color: var(--color-text);
}

/* ---------------------------------------------------------------------*/

@media (max-width: 600px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2.5rem;
  }

  .nav .container {
    width: 100%;
  }

  .project-grid {
    grid-template-columns: 1fr;   /* stack to a single column */
  }

  .project-tile-caption {
    /* no hover on touch devices, so keep the caption visible always */
    opacity: 1;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0) 65%);
  }

  .banner-image {
    aspect-ratio: 3 / 1;
  }

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