:root {
  --paper: #f8f6f2;
  --paper-2: #fffaf3;
  --ink: #1b1714;
  --muted: #5c5348;
  --line: rgba(27, 23, 20, 0.14);
  --forest: #14312c;
  --forest-soft: #dfeae4;
  --shadow: 0 28px 70px rgba(72, 42, 16, 0.14);
  --sans: "Figtree", "Avenir Next", "Segoe UI", sans-serif;
  --wrap: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  background:
    radial-gradient(
      900px 480px at 100% -10%,
      rgba(226, 92, 61, 0.08),
      transparent 60%
    ),
    radial-gradient(
      720px 420px at -10% 8%,
      rgba(31, 122, 117, 0.07),
      transparent 55%
    ),
    var(--paper);
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.18;
  background-image: linear-gradient(
    rgba(27, 23, 20, 0.035) 1px,
    transparent 1px
  );
  background-size: 100% 32px;
}

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

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  z-index: 5;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--wrap), calc(100% - 2.5rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 4;
  backdrop-filter: blur(16px);
  background: rgba(248, 246, 242, 0.88);
  border-bottom: 1px solid transparent;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 650;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

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

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  padding: 3.2rem 0 4.5rem;
}

h1,
h2,
.brand {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.04em;
}

h1 {
  margin: 0;
  font-size: clamp(3.2rem, 6.4vw, 5.5rem);
  line-height: 0.92;
}

.lead {
  margin: 1.3rem 0 0;
  max-width: 38rem;
  font-size: 1.22rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  font: inherit;
}

.button.primary {
  background: var(--ink);
  color: #f7f1e6;
}

.button-icon {
  flex-shrink: 0;
  margin-right: 0.5rem;
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible,
.nav-links a:focus-visible,
.tabs button:focus-visible {
  outline: 3px solid #1f7a75;
  outline-offset: 3px;
}

.fine {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.powered-by-mark {
  width: auto;
  height: 24px;
  flex-shrink: 0;
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.mascot {
  position: absolute;
  width: min(188px, 40%);
  right: 6%;
  top: 0;
  z-index: 2;
  filter: drop-shadow(0 16px 18px rgba(40, 18, 8, 0.18));
}

.inbox {
  list-style: none;
  margin: 132px 0 0;
  padding: 0.85rem;
  background: var(--paper-2);
  border-radius: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  padding: 0.85rem 0.7rem;
  border-radius: 18px;
}

.row + .row {
  border-top: 1px solid var(--line);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: white;
  font-weight: 750;
  background: var(--tone);
}

.row-top,
.letter-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.row-top strong,
.letter-top strong {
  font-size: 0.98rem;
}

time,
.snippet,
.excerpt,
.muted {
  color: var(--muted);
}

time {
  font-size: 0.82rem;
  white-space: nowrap;
}

.subject-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.15rem;
  font-weight: 650;
}

.snippet,
.excerpt {
  margin: 0.2rem 0 0;
}

.chip,
.stamp {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.14rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: -0.01em;
  background: var(--tone);
  color: var(--ink-on, #fffaf3);
  box-shadow: 0 8px 16px rgba(40, 20, 10, 0.08);
}

.chip {
  animation: land 0.65s cubic-bezier(0.16, 1.15, 0.3, 1) both;
  animation-delay: var(--delay);
}

.section {
  padding: 4.5rem 0;
}

.section h2,
.demo h2 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  line-height: 1;
  max-width: 14ch;
}

.section-lead {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.examples-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.letter {
  background: var(--paper-2);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 1.4rem 1.4rem 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
}

.letter-main {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
}

.letter .avatar {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 1.2rem;
}

.letter-subject {
  margin: 0.35rem 0 0;
  font-family: var(--sans);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.letter-copy {
  position: relative;
  margin-top: 1.1rem;
  min-height: 7.2rem;
}

.excerpt {
  font-size: 1.15rem;
  max-width: 40rem;
}

.stamps {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  transform: rotate(-2deg);
}

.stamp {
  font-size: 0.92rem;
  padding: 0.35rem 0.75rem;
}

.js .excerpt,
.js .stamps {
  transition:
    transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.35s ease;
}

.js .stamps {
  opacity: 0;
  transform: translateY(-16px) rotate(-8deg) scale(0.86);
}

.js .excerpt {
  transform: none;
}

.js .letter.is-labeled .stamps {
  opacity: 1;
  transform: translateY(0) rotate(-1.5deg) scale(1);
}

.excerpt {
  transform: translateY(2.7rem);
}

.js .excerpt {
  transform: none;
}

.js .letter.is-labeled .excerpt {
  transform: translateY(2.7rem);
}

.js .letter.is-labeled[data-count="2"] .excerpt {
  transform: translateY(3.2rem);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.tabs button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.tabs button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.demo {
  background: var(--forest);
  color: #f6f1e7;
  padding: 4.8rem 0 5rem;
}

.demo h2 {
  max-width: 16ch;
}

.demo .section-lead {
  color: rgba(246, 241, 231, 0.78);
}

.frame {
  margin-top: 1.8rem;
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 28px;
  overflow: hidden;
  background: #0c1d19;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
}

.frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.point {
  background: rgba(255, 250, 243, 0.72);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 1.4rem 1.4rem 1.5rem;
}

.point span {
  font-family: var(--sans);
  font-size: 1.8rem;
  color: #d4694e;
}

.point h3 {
  margin: 0.4rem 0 0.4rem;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

.point p {
  margin: 0;
  color: var(--muted);
}

.jev-card {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--forest-soft);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: clamp(1.5rem, 4vw, 3rem);
}

.jev-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  color: var(--forest);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.jev-mark {
  width: auto;
  height: 36px;
}

.jev h2 {
  max-width: 18ch;
  color: var(--forest);
}

.jev-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.jev-points li {
  padding: 1.25rem 1.4rem;
  border-radius: 18px;
  background: rgba(255, 250, 243, 0.65);
  color: var(--muted);
}

.jev-points strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--forest);
}

.jev-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 700;
}

.site-footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.site-footer a {
  font-weight: 700;
}

.prose {
  max-width: 44rem;
  padding-bottom: 4rem;
}

.prose h1 {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  margin-top: 1.5rem;
}

.prose h2 {
  font-size: 1.7rem;
  margin: 2rem 0 0.4rem;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose strong {
  color: var(--ink);
}

@keyframes land {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.82) rotate(-6deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .hero,
  .examples-layout,
  .points,
  .jev-card {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

  .mascot {
    position: relative;
    width: 148px;
    right: auto;
    top: auto;
    margin: 0 12px 0 auto;
  }

  .inbox {
    margin-top: 0.4rem;
  }

  .nav-inner {
    flex-wrap: wrap;
    align-items: flex-start;
    min-height: 0;
    padding: 0.85rem 0 0.7rem;
  }

  .nav-links {
    width: 100%;
    gap: 1rem;
    padding-bottom: 0.2rem;
  }
}

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

  .chip,
  .button:hover {
    animation: none;
    transform: none;
  }

  .chip {
    opacity: 1;
  }

  .js .stamps,
  .js .excerpt,
  .js .letter.is-labeled .stamps,
  .js .letter.is-labeled .excerpt {
    transition: none;
  }
}