:root {
  --navy: #1d1d1d;
  --navy-light: #333333;
  --blue: #d71920;
  --blue-dark: #a90f15;
  --mint: #d71920;
  --background: #f5f5f3;
  --surface: #ffffff;
  --text: #202020;
  --muted: #696969;
  --border: #ddddda;
  --success-bg: #e9f5ee;
  --success: #26734d;
  --radius: 1.25rem;
  --shadow: 0 16px 45px rgb(29 29 29 / 11%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 18rem;
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(70rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.65rem 1rem;
  color: white;
  background: var(--mint);
  border-radius: 0.5rem;
  font-weight: 700;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 25%, rgb(215 25 32 / 9%), transparent 22rem),
    linear-gradient(135deg, #ffffff, #f0f0ed);
}

.hero::after {
  position: absolute;
  right: -6rem;
  bottom: -11rem;
  width: 25rem;
  height: 25rem;
  border: 1px solid rgb(32 32 32 / 9%);
  border-radius: 50%;
  content: "";
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid rgb(32 32 32 / 12%);
}

.brand,
.github-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-photo-frame {
  display: block;
  flex: 0 0 auto;
  width: 2.5rem;
  height: 2.5rem;
  overflow: hidden;
  border: 2px solid var(--mint);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgb(215 25 32 / 11%);
}

.brand-photo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.github-link {
  padding: 0.55rem 0.85rem;
  border: 1px solid rgb(32 32 32 / 22%);
  border-radius: 0.65rem;
  font-size: 0.9rem;
  transition:
    background-color 160ms ease,
    border-color 160ms ease;
}

.github-link:hover {
  color: white;
  background: var(--blue);
  border-color: var(--blue);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: clamp(4rem, 10vw, 7rem) clamp(5rem, 11vw, 8rem);
}

.scroll-guide {
  position: absolute;
  top: 42%;
  right: max(1.5rem, calc((100vw - 70rem) / 2));
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 0.65rem;
}

.scroll-logo {
  display: block;
  width: 5.5rem;
  height: 5.5rem;
  object-fit: contain;
  filter: drop-shadow(0 8px 14px rgb(0 0 0 / 25%));
}

.scroll-cue {
  display: flex;
  width: 9.5rem;
  height: 5rem;
  align-items: center;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.1rem;
  padding: 0.65rem 0.8rem 1.5rem;
  color: white;
  background: linear-gradient(135deg, #ed343b, var(--blue-dark));
  clip-path: polygon(0 0, 100% 0, 100% 60%, 67% 60%, 50% 100%, 33% 60%, 0 60%);
  filter: drop-shadow(0 10px 15px rgb(0 0 0 / 25%));
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
  animation: point-down 2s ease-in-out infinite;
  transition:
    filter 160ms ease,
    transform 160ms ease;
}

.scroll-cue:hover {
  color: white;
  filter: drop-shadow(0 14px 20px rgb(0 0 0 / 35%)) brightness(1.06);
  transform: translateY(-0.15rem);
  animation-play-state: paused;
}

.scroll-cue:active {
  filter: drop-shadow(0 6px 10px rgb(0 0 0 / 20%));
  transform: translateY(0.1rem);
}

.scroll-cue:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 5px;
}

.scroll-cue-arrow {
  color: white;
  font-size: 1.1rem;
  line-height: 1;
}

@keyframes point-down {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(0.25rem);
  }
}

.eyebrow {
  margin: 0 0 0.65rem;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: var(--mint);
}

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

h1 {
  max-width: 52rem;
  margin-bottom: 1rem;
  font-size: clamp(2.6rem, 7vw, 5.1rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.intro {
  max-width: 42rem;
  margin-bottom: 2.4rem;
  color: #555555;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.summary {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 5vw, 4rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.summary li {
  display: grid;
  gap: 0.1rem;
}

.summary strong {
  font-size: 1.55rem;
  line-height: 1.2;
}

.summary span {
  color: #6a6a6a;
  font-size: 0.84rem;
}

.main-content {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.status-legend {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.87rem;
}

.status-legend span {
  width: 0.55rem;
  height: 0.55rem;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 0.25rem var(--success-bg);
}

.assignment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.assignment-card {
  position: relative;
  display: flex;
  min-height: 26rem;
  flex-direction: column;
  padding: 1.5rem;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 25px rgb(29 29 29 / 6%);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.assignment-card:hover {
  border-color: #e3aaad;
  box-shadow: var(--shadow);
  transform: translateY(-0.3rem);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.week {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status,
.pending-status {
  padding: 0.3rem 0.65rem;
  color: var(--success);
  background: var(--success-bg);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
}

.card-icon {
  display: grid;
  width: 4rem;
  height: 4rem;
  margin-block: 2rem 1.5rem;
  place-items: center;
  color: var(--blue);
  background: #fdebec;
  border-radius: 1rem;
  font-size: 1.1rem;
  font-weight: 900;
}

.assignment-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.35rem;
  line-height: 1.25;
}

.assignment-card p {
  margin-bottom: 1.6rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding: 0.8rem 1rem;
  color: white;
  background: var(--blue);
  border-radius: 0.7rem;
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 160ms ease;
}

.button:hover {
  background: var(--blue-dark);
}

.button span {
  font-size: 1.2rem;
}

.upcoming {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 1.25rem;
  padding: 1.5rem 1.75rem;
  background: #ececea;
  border: 1px dashed #c8c8c4;
  border-radius: var(--radius);
}

.upcoming h2 {
  color: #555555;
  font-size: 1.25rem;
}

.upcoming .eyebrow {
  margin-bottom: 0.35rem;
  color: #777777;
}

.pending-status {
  flex: none;
  color: #5d5d5d;
  background: #ddddda;
}

footer {
  color: #c8c8c8;
  background: var(--navy);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 2rem;
  font-size: 0.85rem;
}

.footer-content p {
  margin-bottom: 0;
}

.footer-content strong {
  color: white;
}

a:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

@media (max-width: 50rem) {
  .assignment-grid {
    grid-template-columns: 1fr;
  }

  .assignment-card {
    min-height: auto;
  }
}

@media (max-width: 36rem) {
  .container {
    width: min(100% - 1.5rem, 70rem);
  }

  .github-link {
    font-size: 0;
  }

  .github-link span {
    font-size: 1rem;
  }

  .section-heading,
  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .upcoming {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-content {
    padding-bottom: 11rem;
  }

  .scroll-guide {
    top: auto;
    right: 0.75rem;
    bottom: 0.75rem;
    gap: 0.25rem;
  }

  .scroll-logo {
    width: 3.5rem;
    height: 3.5rem;
  }

  .scroll-cue {
    width: 8rem;
    height: 4.4rem;
    font-size: 0.72rem;
  }
}

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

  .assignment-card,
  .github-link,
  .button,
  .scroll-cue {
    animation: none;
    transition: none;
  }
}