:root {
  --ink: #1c2430;
  --ink-soft: #3d4a5c;
  --paper: #f7f8fb;
  --coral: #c41230; /* Carnegie Red */
  --coral-deep: #a10f28;
  --sun: #f0b429;
  --mint: #2a9d8f;
  --sky: #3d7ea6;
  --lilac: #6b5b95;
  --shadow: rgba(28, 36, 48, 0.12);
  --header-h: 4.25rem;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Nunito", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #f6e3a8 0%, transparent 55%),
    radial-gradient(900px 500px at 95% 5%, #d5ece8 0%, transparent 50%),
    radial-gradient(800px 480px at 80% 90%, #f3cfd6 0%, transparent 55%),
    linear-gradient(165deg, #f7f8fb 0%, #eef3f8 45%, #f8eef1 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral);
}

.atmosphere {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.55;
  animation: drift 16s ease-in-out infinite;
}

.blob-a {
  width: 18rem;
  height: 18rem;
  top: 12%;
  left: -4rem;
  background: color-mix(in srgb, var(--sun) 70%, white);
  animation-delay: 0s;
}

.blob-b {
  width: 14rem;
  height: 14rem;
  top: 38%;
  right: -3rem;
  background: color-mix(in srgb, var(--mint) 55%, white);
  animation-delay: -5s;
}

.blob-c {
  width: 16rem;
  height: 16rem;
  bottom: 8%;
  left: 35%;
  background: color-mix(in srgb, var(--lilac) 45%, white);
  animation-delay: -9s;
}

.dot-grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: radial-gradient(var(--ink-soft) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 85%);
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(1.5rem, -1.25rem, 0) scale(1.05);
  }
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
  padding: 0.85rem clamp(1.25rem, 4vw, 3rem);
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.85rem 2.25rem;
}

.wordmark,
.wordmark-sm {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.wordmark {
  font-size: 1.2rem;
}

.wordmark span,
.brand span,
.wordmark-sm span {
  color: var(--coral);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem 1.5rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.site-header nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.15rem 0;
  transition: color 0.15s ease;
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--coral);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.18s ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--ink);
}

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

.cmu-mark {
  display: inline-flex;
  flex-shrink: 0;
  overflow: hidden;
  line-height: 0;
  opacity: 0.95;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.cmu-mark:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.cmu-mark img {
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.35rem;
}

.nav-cta {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper) !important;
}

.nav-cta:hover {
  background: var(--coral);
}

.hero {
  min-height: calc(100svh - var(--header-h));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 3rem)
    clamp(3rem, 8vw, 5rem);
  max-width: 58rem;
}

.hero-kicker {
  margin: 0 0 0.75rem;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  animation: rise 0.7s ease both;
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.4rem, 12vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.035em;
  animation: rise 0.8s ease 0.08s both;
}

.hero-lede {
  margin: 1.35rem 0 0;
  max-width: 34rem;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 600;
  color: var(--ink-soft);
  animation: rise 0.8s ease 0.16s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  animation: rise 0.8s ease 0.24s both;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease,
    box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--coral);
  color: white;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--coral) 35%, transparent);
}

.btn-primary:hover {
  background: var(--coral-deep);
  color: white;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.65);
  color: var(--ink);
  border: 2px solid color-mix(in srgb, var(--ink) 12%, transparent);
}

.btn-ghost:hover {
  color: var(--ink);
  border-color: var(--mint);
  background: white;
}

.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1.25rem, 4vw, 3rem);
}

.section-inner {
  max-width: 52rem;
  margin: 0 auto;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.about p,
.section-lede,
.release-panel p {
  margin: 1rem 0 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-soft);
  max-width: 40rem;
}

.release {
  padding-top: 0;
}

.release-panel {
  max-width: 52rem;
  margin: 0 auto;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border-radius: 1.75rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--sun) 55%, white), #fff),
    var(--sun);
  border: 3px solid color-mix(in srgb, var(--sun) 70%, var(--ink));
  box-shadow: 0 18px 40px var(--shadow);
}

.release-panel h2 {
  color: var(--ink);
}

.release-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.35rem;
  max-width: 28rem;
}

.release-form input[type="email"] {
  flex: 1 1 12rem;
  min-width: 0;
  padding: 0.85rem 1.1rem;
  border: 2px solid color-mix(in srgb, var(--ink) 14%, transparent);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
}

.release-form input[type="email"]::placeholder {
  color: color-mix(in srgb, var(--ink-soft) 75%, transparent);
}

.release-form input[type="email"]:focus {
  outline: none;
  border-color: var(--coral);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--coral) 22%, transparent);
}

.release-form .btn {
  flex: 0 0 auto;
  border: none;
  cursor: pointer;
  font: inherit;
}

.release-note {
  font-size: 1rem !important;
  color: var(--ink) !important;
  opacity: 0.75;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.team .section-lede {
  margin-bottom: 2rem;
}

.organizer {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  margin-bottom: 2rem;
  max-width: 28rem;
}

.organizer-photo {
  flex-shrink: 0;
  width: 6.5rem;
  height: 6.5rem;
  object-fit: cover;
  border-radius: 1.15rem;
  box-shadow: 0 10px 28px var(--shadow);
}

.organizer-bio {
  min-width: 0;
}

.organizer-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.organizer-title,
.organizer-role {
  margin: 0.3rem 0 0;
  font-weight: 700;
  color: var(--ink-soft);
  line-height: 1.35;
}

.organizer-title {
  font-size: 1.02rem;
}

.organizer-role {
  font-size: 0.95rem;
  color: var(--mint);
}

.team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.team-list li {
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.72);
  border: 2px solid transparent;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.team-list li:nth-child(5n + 1) {
  border-color: color-mix(in srgb, var(--coral) 45%, white);
}

.team-list li:nth-child(5n + 2) {
  border-color: color-mix(in srgb, var(--sky) 55%, white);
}

.team-list li:nth-child(5n + 3) {
  border-color: color-mix(in srgb, var(--mint) 55%, white);
}

.team-list li:nth-child(5n + 4) {
  border-color: color-mix(in srgb, var(--sun) 65%, white);
}

.team-list li:nth-child(5n + 5) {
  border-color: color-mix(in srgb, var(--lilac) 55%, white);
}

.team-list li:hover {
  transform: translateY(-2px) rotate(-1deg);
  background: white;
}

.site-footer {
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.75rem;
  text-align: center;
  color: var(--ink-soft);
  font-weight: 600;
}

.site-footer p {
  margin: 0;
}

.collaboration {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink-soft);
  max-width: 36rem;
  margin: 0 auto !important;
  line-height: 1.5;
}

.supporter {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.5rem;
}

.collaboration a {
  text-decoration: none;
  font-weight: 800;
  color: var(--ink);
}

.collaboration a:hover {
  color: var(--coral);
}

.supporter-label {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.8;
}

.supporter-link {
  display: inline-flex;
  line-height: 0;
  text-decoration: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.supporter-link:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  color: inherit;
}

.supporter-link img {
  display: block;
  width: min(12.5rem, 55vw);
  height: auto;
}

.wordmark-sm span {
  font-family: var(--font-display);
  font-weight: 700;
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-right {
    width: 100%;
    justify-content: space-between;
  }

  .site-header nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
    padding-top: 2.5rem;
  }
}

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

  .blob,
  .hero-kicker,
  .brand,
  .hero-lede,
  .hero-actions,
  .btn,
  .team-list li {
    animation: none !important;
    transition: none !important;
  }
}