/* ============================================
   egrm — project page (event horizon)
   ============================================ */

:root {
  --project-color: #60a5fa;
  --bg: #04050a;
  --ink: #e8ecf4;
  --muted: #8a93a6;
  --text-width: min(36vw, 460px);
}

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

html {
  background: var(--bg);
  overscroll-behavior: none;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  overscroll-behavior: none;
  background:
    radial-gradient(900px 700px at 100% 50%, color-mix(in srgb, var(--project-color) 6%, transparent) 0%, transparent 60%),
    radial-gradient(1100px 700px at 50% 50%, #05060d 0%, var(--bg) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

#space {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.back-link {
  position: fixed;
  left: 32px;
  top: 28px;
  z-index: 10;
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.25s;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--ink);
}

/* ---- page layout ---- */
.project-page {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
  align-items: center;
  padding: 0;
}

/* ---- left: text content ---- */
.project-content {
  flex: 0 0 54%;
  padding: 12vh 4vw 10vh 8vw;
  opacity: 0;
  animation: content-in 660ms ease 120ms forwards;
}

@keyframes content-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-role {
  margin: 0 0 8px;
  color: var(--project-color);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-shadow: 0 0 22px color-mix(in srgb, var(--project-color) 40%, transparent);
}

.project-content h1 {
  margin: 0;
  max-width: var(--text-width);
  font-size: clamp(2.4rem, 5vw, 5.2rem);
  font-weight: 700;
  line-height: 0.96;
  letter-spacing: -0.045em;
  color: var(--ink);
}

.project-description {
  margin: 28px 0 0;
  max-width: var(--text-width);
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.project-description p {
  margin: 0 0 14px;
}

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

/* ---- highlights ---- */
.project-highlights {
  margin: 26px 0 0;
  padding: 0;
  max-width: var(--text-width);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-highlights li {
  position: relative;
  padding-left: 20px;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.project-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--project-color);
  box-shadow: 0 0 10px color-mix(in srgb, var(--project-color) 60%, transparent);
}

/* ---- stack chips ---- */
.project-stack {
  margin: 26px 0 0;
  max-width: var(--text-width);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-stack span {
  font-size: 12px;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--project-color) 80%, var(--ink));
  border: 1px solid color-mix(in srgb, var(--project-color) 35%, transparent);
  background: color-mix(in srgb, var(--project-color) 8%, transparent);
  border-radius: 999px;
  padding: 5px 12px;
}

/* ---- meta ---- */
.project-meta {
  margin: 36px 0 0;
  display: flex;
  gap: 40px;
}

.project-meta span {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
}

.project-meta span::before {
  content: attr(data-label);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--project-color);
}

/* ---- next project ---- */
.next-project {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 44px;
  text-decoration: none;
}

.next-label {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.next-name {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color 0.25s, text-shadow 0.25s;
}

.next-name::after {
  content: " \2192";
}

.next-project:hover .next-name,
.next-project:focus-visible .next-name {
  color: var(--project-color);
  text-shadow: 0 0 20px color-mix(in srgb, var(--project-color) 45%, transparent);
}

/* ============================================
   right: mini event horizon
   ============================================ */
/* visible immediately — the transition circle from home lands exactly here */
.project-horizon {
  position: fixed;
  left: 100vw;
  top: 50vh;
  width: min(82vw, 88vh);
  height: min(82vw, 88vh);
  transform: translate(-50%, -50%);
}

.ph-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid color-mix(in srgb, var(--project-color) 45%, transparent);
  box-shadow:
    0 0 60px 4px color-mix(in srgb, var(--project-color) 14%, transparent),
    inset 0 0 40px 2px color-mix(in srgb, var(--project-color) 10%, transparent);
}

.ph-core {
  position: absolute;
  inset: 2%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 30%, color-mix(in srgb, var(--project-color) 9%, transparent) 0%, transparent 55%),
    #070910;
}

@media (prefers-reduced-motion: reduce) {
  .project-content { animation-duration: 0s; opacity: 1; }
}

/* ---- responsive ---- */
@media (max-width: 900px) {
  body {
    overflow-y: auto;
  }

  .project-page {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
  }

  .project-horizon {
    position: relative;
    left: auto;
    top: auto;
    width: 60vw;
    height: 60vw;
    transform: none;
    /* tuck the orb into the top-right corner, bleeding off the top + right edges */
    align-self: flex-end;
    margin: -18vw -14vw 0 0;
    order: 1;
  }

  .project-content {
    flex: none;
    padding: 36px 8vw 56px;
    width: 100%;
    order: 2;
  }

  .project-content h1 {
    font-size: clamp(2rem, 7vw, 3.4rem);
    max-width: 100%;
  }

  .project-description,
  .project-highlights,
  .project-stack {
    max-width: 100%;
  }

  .project-meta {
    margin-top: 28px;
    gap: 28px;
  }
}

@media (max-width: 500px) {
  .back-link {
    left: 20px;
    top: 20px;
  }

  .project-content {
    padding: 28px 6vw 44px;
  }

  .project-horizon {
    width: 68vw;
    height: 68vw;
    margin: -20vw -16vw 0 0;
  }

  .project-description {
    font-size: 15px;
  }
}