:root {
  --ink: #1f1c2e;
  --cream: #fffbef;
  --mint: #bef5d8;
  --peach: #ffd7c2;
  --lavender: #dcd3ff;
  --blue: #b8e2ff;
  --pink: #ffd3e8;
  --yellow: #ffefb0;
  --red: #ffb3b3;
  --coral: #ff9e80;
  --orange: #ffc66e;
  --purple: #c9b6ff;
  --cyan: #bdf0f2;
  --black: #2b2735;
  --shadow: 6px 6px 0 var(--ink);
  --border: 2px solid var(--ink);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.5;
}

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

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

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 16px;
  z-index: 50;
  margin: 16px auto 0;
  width: min(1100px, calc(100% - 32px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--yellow);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 14px 22px;
  font-weight: 800;
}

.nav-logo {
  font-size: 1.4rem;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 1rem;
}

.nav-links a {
  border: var(--border);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 6px 14px;
  background: var(--cream);
  transition: transform 0.15s, box-shadow 0.15s;
}

.nav-links a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--ink);
  background: var(--mint);
}

.blink {
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ---------- hero ---------- */

.hero {
  width: min(1100px, calc(100% - 32px));
  margin: 72px auto 48px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
  align-items: center;
}

.hero-card {
  background: var(--mint);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 40px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -1px;
  text-transform: lowercase;
  margin-bottom: 20px;
}

.hero-title .stroke {
  -webkit-text-stroke: 2px var(--ink);
  color: transparent;
}

.hero-sub {
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border: var(--border);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 12px 22px;
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 0.12s, box-shadow 0.12s;
  cursor: pointer;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.btn-primary {
  background: var(--pink);
}

.btn-ghost {
  background: var(--cream);
}

.hero-sticker {
  background: var(--lavender);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 18px;
  transform: rotate(2deg);
}

.hero-sticker img {
  border: var(--border);
}

.sticker-label {
  margin-top: 12px;
  text-align: center;
  font-weight: 800;
  letter-spacing: 1px;
}

/* ---------- marquee ---------- */

.marquee {
  border-top: var(--border);
  border-bottom: var(--border);
  background: var(--black);
  color: var(--cream);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: inline-block;
  animation: scroll 18s linear infinite;
}

.marquee-track span {
  font-weight: 800;
  letter-spacing: 2px;
  font-size: 1.1rem;
  margin-right: 40px;
}

.marquee-track span::after {
  content: "✶";
  margin-left: 40px;
  color: var(--yellow);
}

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- sections ---------- */

.section {
  width: min(1100px, calc(100% - 32px));
  margin: 64px auto;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  text-transform: lowercase;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.section-title .dot {
  color: var(--coral);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 26px;
}

.card h3 {
  text-transform: lowercase;
  display: inline-block;
  border: var(--border);
  background: var(--cream);
  box-shadow: 3px 3px 0 var(--ink);
  padding: 4px 12px;
  font-size: 1rem;
  margin-bottom: 14px;
}

.card p {
  font-weight: 500;
}

.card-mint { background: var(--mint); }
.card-peach { background: var(--peach); }
.card-lavender { background: var(--lavender); }

/* ---------- stack ---------- */

.stack-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.chip {
  border: var(--border);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 10px 18px;
  font-weight: 800;
  font-size: 0.95rem;
  transition: transform 0.12s, box-shadow 0.12s;
  cursor: default;
}

.chip:hover {
  transform: translate(-2px, -2px) rotate(-1deg);
  box-shadow: 6px 6px 0 var(--ink);
}

.chip-red { background: var(--red); }
.chip-yellow { background: var(--yellow); }
.chip-blue { background: var(--blue); }
.chip-mint { background: var(--mint); }
.chip-purple { background: var(--purple); }
.chip-pink { background: var(--pink); }
.chip-coral { background: var(--coral); }
.chip-orange { background: var(--orange); }
.chip-white { background: var(--cream); }
.chip-cyan { background: var(--cyan); }
.chip-git { background: #f1d7ff; }
.chip-black { background: var(--black); color: var(--cream); }

/* ---------- stats ---------- */

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.stats-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
}

.stats-card img {
  background: #1b1f2b;
  border: var(--border);
}

.card-blue { background: var(--blue); }
.card-pink { background: var(--pink); }

.stats-wide {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.stats-wide img {
  background: #1b1f2b;
  border: var(--border);
}

.card-yellow { background: var(--yellow); }

.quote-box {
  background: var(--lavender);
  border: var(--border);
  box-shadow: var(--shadow);
  padding: 24px;
  display: flex;
  justify-content: center;
  transform: rotate(-0.5deg);
}

.quote-box img {
  background: #1b1f2b;
  border: var(--border);
}

/* ---------- footer ---------- */

.foot {
  border-top: var(--border);
  background: var(--black);
  color: var(--cream);
  text-align: center;
  padding: 22px;
  font-weight: 600;
}

/* ---------- responsive ---------- */

@media (max-width: 820px) {
  .hero,
  .about-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    margin-top: 48px;
  }
}

@media (max-width: 560px) {
  .nav {
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-card {
    padding: 24px;
  }
}