/* perch.ws — the Perch palette (packages/reader/src/styles.css): ink, cream and
   ember, on frosted glass. System fonts only: no requests to font services. */

:root {
  --bg: #f7f5f0;
  --text: #12151c;
  --muted: #5b6070;
  --faint: #8a8f9c;
  --accent: #ff7a1a;
  --accent-text: #b35512;
  --accent-soft: rgba(255, 122, 26, 0.14);
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --border: rgba(18, 21, 28, 0.08);
  --border-strong: rgba(18, 21, 28, 0.14);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 20px 50px -24px rgba(18, 21, 28, 0.28);
  --logo-eye: #f4f1ea;
  --logo-perch: var(--text);
  --glow-1: rgba(255, 122, 26, 0.32);
  --glow-2: rgba(255, 186, 120, 0.4);
  --glow-3: rgba(120, 140, 220, 0.18);
  --radius: 22px;
  --font:
    ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1118;
    --text: #f4f1ea;
    --muted: #a7abb6;
    --faint: #7c8190;
    --accent-text: #ff8c3a;
    --accent-soft: rgba(255, 122, 26, 0.16);
    --glass: rgba(24, 28, 39, 0.55);
    --glass-strong: rgba(24, 28, 39, 0.72);
    --border: rgba(255, 255, 255, 0.07);
    --border-strong: rgba(255, 255, 255, 0.12);
    --shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset, 0 24px 60px -24px rgba(0, 0, 0, 0.7);
    --logo-eye: #12151c;
    --logo-perch: var(--accent);
    --glow-1: rgba(255, 122, 26, 0.26);
    --glow-2: rgba(255, 150, 60, 0.12);
    --glow-3: rgba(70, 90, 180, 0.22);
    color-scheme: dark;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

p {
  margin: 0;
}

svg {
  display: block;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------------------------------------------------------------------------
   The sky: three soft glows drifting behind everything.
   ------------------------------------------------------------------------ */

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  will-change: transform;
}

.glow-1 {
  width: 620px;
  height: 620px;
  top: -180px;
  right: -120px;
  background: var(--glow-1);
  animation: drift-1 26s ease-in-out infinite alternate;
}

.glow-2 {
  width: 520px;
  height: 520px;
  top: 38%;
  left: -200px;
  background: var(--glow-2);
  animation: drift-2 32s ease-in-out infinite alternate;
}

.glow-3 {
  width: 700px;
  height: 700px;
  bottom: -320px;
  right: 10%;
  background: var(--glow-3);
  animation: drift-3 38s ease-in-out infinite alternate;
}

@keyframes drift-1 {
  to {
    transform: translate(-120px, 90px) scale(1.12);
  }
}
@keyframes drift-2 {
  to {
    transform: translate(140px, -60px) scale(0.92);
  }
}
@keyframes drift-3 {
  to {
    transform: translate(-90px, -120px) scale(1.08);
  }
}

/* ---------------------------------------------------------------------------
   Glass
   ------------------------------------------------------------------------ */

.glass {
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
}

/* ---------------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------------ */

.nav-wrap {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 14px 16px 0;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 12px 10px 18px;
  border-radius: 999px;
  transition: background 0.3s ease;
}

.nav-wrap.scrolled .nav {
  background: var(--glass-strong);
}

.brand .logo {
  height: 28px;
  width: auto;
}

.logo {
  aspect-ratio: 1548 / 473;
  height: 28px;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: 12px;
}

.nav-links a {
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  transition:
    color 0.2s,
    background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-link {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: var(--muted);
  transition:
    color 0.2s,
    background 0.2s;
}

.icon-link svg {
  width: 20px;
  height: 20px;
}

.icon-link:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.lang {
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s;
}

.lang:hover {
  color: var(--text);
  border-color: var(--accent);
}

/* ---------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 14px;
  font-weight: 620;
  font-size: 16px;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
  border-radius: 999px;
}

.btn-primary {
  background: var(--accent);
  color: #12151c;
  box-shadow:
    0 10px 28px -10px rgba(255, 122, 26, 0.75),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  box-shadow:
    0 14px 34px -10px rgba(255, 122, 26, 0.85),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-glass {
  background: var(--glass);
  border: 1px solid var(--border-strong);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.btn-glass:hover {
  background: var(--glass-strong);
}

/* ---------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------ */

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 90px 16px 80px;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  align-items: center;
  gap: 56px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent-text);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 760;
}

h1 span {
  display: block;
}

h1 .accent {
  background: linear-gradient(100deg, var(--accent) 10%, #ffb066 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin-top: 22px;
  color: var(--muted);
  font-size: 19px;
  max-width: 34em;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.cta.center {
  justify-content: center;
}

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
}

.platforms li {
  font-size: 13.5px;
  font-weight: 550;
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
}

.soon {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--faint);
}

/* The reader sketch */

.hero-art {
  position: relative;
  min-height: 460px;
  perspective: 1400px;
}

.window {
  border-radius: 20px;
  overflow: hidden;
  transform: rotateY(-8deg) rotateX(4deg);
  transform-origin: left center;
  animation: float 9s ease-in-out infinite;
}

@keyframes float {
  50% {
    transform: rotateY(-6deg) rotateX(3deg) translateY(-10px);
  }
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.window-bar > span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--border-strong);
}

.url {
  margin: 0 auto;
  padding: 3px 40px;
  border-radius: 8px;
  font-size: 12px;
  color: var(--faint);
  background: var(--accent-soft);
}

.window-body {
  display: grid;
  grid-template-columns: 170px 1fr;
  font-size: 12.5px;
}

.mock-side {
  padding: 12px 10px;
  border-right: 1px solid var(--border);
}

.mock-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

.mock-item b {
  margin-left: auto;
  font-weight: 500;
  color: var(--faint);
}

.mock-item.active {
  background: var(--accent-soft);
  font-weight: 600;
}

.mock-head {
  margin: 12px 8px 4px;
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}

.ic {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1.6px solid var(--accent);
  flex: none;
}

.ic.star,
.ic.circle {
  border-radius: 50%;
}

.ic.star.on {
  background: var(--accent);
}

.fav {
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  font-style: normal;
  font-size: 9.5px;
  font-weight: 700;
  color: #fff;
  flex: none;
}

.f1 {
  background: #ff7a1a;
}
.f2 {
  background: #5b7cfa;
}
.f3 {
  background: #2d3a64;
}
.f4 {
  background: #2aa58f;
}

.mock-list {
  padding: 8px;
}

.mock-row {
  display: flex;
  gap: 12px;
  padding: 11px 10px;
  border-radius: 12px;
  opacity: 0.62;
}

.mock-row.unread {
  opacity: 1;
}

.mock-row:first-child {
  background: var(--accent-soft);
}

.mock-row small {
  color: var(--faint);
  font-size: 11px;
}

.mock-row strong {
  display: block;
  margin: 2px 0 3px;
  font-size: 13.5px;
}

.mock-row p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.thumb {
  flex: none;
  width: 64px;
  height: 52px;
  margin-left: auto;
  border-radius: 10px;
}

.t1 {
  background: linear-gradient(135deg, #ffb066, #ff7a1a 60%, #c2410c);
}
.t2 {
  background:
    radial-gradient(circle at 70% 30%, #fff 0 2px, transparent 3px),
    linear-gradient(160deg, #1e2a52, #0c1024);
}
.t3 {
  background: linear-gradient(135deg, #c7d2fe, #5b7cfa);
}
.t4 {
  background: linear-gradient(160deg, #99f6e4, #2aa58f 70%);
}

.phone {
  position: absolute;
  right: -10px;
  bottom: -30px;
  width: 200px;
  padding: 26px 16px 16px;
  border-radius: 34px;
  background: var(--glass-strong);
  animation: float-phone 9s ease-in-out infinite;
  animation-delay: -3s;
}

@keyframes float-phone {
  50% {
    transform: translateY(-14px);
  }
}

.phone-notch {
  position: absolute;
  top: 9px;
  left: 50%;
  width: 60px;
  height: 14px;
  margin-left: -30px;
  border-radius: 10px;
  background: var(--text);
  opacity: 0.85;
}

.phone small {
  display: block;
  font-size: 10.5px;
  color: var(--faint);
}

.phone strong {
  display: block;
  margin: 4px 0 12px;
  font-size: 15px;
  line-height: 1.2;
}

.line {
  display: block;
  height: 7px;
  margin: 7px 0;
  border-radius: 4px;
  background: var(--border-strong);
}

.w60 {
  width: 60%;
}
.w80 {
  width: 80%;
}
.w90 {
  width: 90%;
}
.w95 {
  width: 95%;
}
.w100 {
  width: 100%;
}

.phone-bar {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 18px;
  padding: 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

/* ---------------------------------------------------------------------------
   Sections
   ------------------------------------------------------------------------ */

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 90px 16px;
  /* Clear the sticky navigation when jumped to. */
  scroll-margin-top: 40px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 740;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card {
  padding: 26px;
  border-radius: var(--radius);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.badge {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  color: var(--accent);
  background: var(--accent-soft);
  margin-bottom: 18px;
}

.badge svg {
  width: 23px;
  height: 23px;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  font-size: 15.5px;
}

/* Sync */

.sync {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: center;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  gap: 18px;
}

.steps li {
  display: flex;
  gap: 16px;
}

.steps b {
  flex: none;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #12151c;
  font-size: 15px;
}

.steps h3 {
  font-size: 17px;
  margin: 4px 0 4px;
}

.steps p {
  color: var(--muted);
  font-size: 15.5px;
}

.aside {
  margin-top: 28px;
  padding: 16px 18px;
  border-radius: 16px;
  color: var(--muted);
  font-size: 15px;
}

.chain-art {
  position: relative;
  aspect-ratio: 1;
  max-width: 500px;
  width: 100%;
  margin: 0 auto;
}

.chain-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.chain-lines path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-dasharray: 5 7;
  opacity: 0.55;
  animation: dash 1.6s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -24;
  }
}

.packets rect {
  fill: var(--accent);
  filter: drop-shadow(0 0 5px var(--accent));
}

.node {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 112px;
  padding: 18px 20px;
  border-radius: 20px;
  font-size: 14.5px;
  font-weight: 600;
  transform: translate(-50%, -50%);
}

.node svg {
  width: 30px;
  height: 30px;
  color: var(--accent);
}

.node small {
  font-weight: 500;
  font-size: 11.5px;
  color: var(--faint);
}

.relay {
  left: 50%;
  top: 50%;
  padding: 18px 22px;
  background: var(--glass-strong);
}

.n1 {
  left: 20%;
  top: 22.5%;
}
.n2 {
  left: 80%;
  top: 22.5%;
}
.n3 {
  left: 50%;
  top: 85%;
}

/* Privacy */

.privacy {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  padding: 48px;
  border-radius: 30px;
}

.privacy h2 {
  margin-bottom: 28px;
}

.checks {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
}

.checks li {
  position: relative;
  padding-left: 34px;
  color: var(--muted);
}

.checks li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ff7a1a' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 12.5 3.2 3.2L17 9'/%3E%3C/svg%3E")
      center / 16px no-repeat,
    var(--accent-soft);
}

/* Closing */

.closing {
  text-align: center;
}

.closing .lede {
  margin-left: auto;
  margin-right: auto;
}

.closing .mark {
  width: 84px;
  height: 84px;
  margin: 0 auto 22px;
  animation: hop 5s ease-in-out infinite;
}

@keyframes hop {
  0%,
  80%,
  100% {
    transform: translateY(0);
  }
  86% {
    transform: translateY(-10px);
  }
  92% {
    transform: translateY(0);
  }
}

/* Footer */

.footer {
  padding: 30px 16px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--faint);
  font-size: 14px;
}

.logo.small {
  height: 22px;
  width: auto;
}

.footer nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.footer a:hover {
  color: var(--text);
}

/* ---------------------------------------------------------------------------
   Reveal on scroll (script.js adds .in). Without JS everything shows.
   ------------------------------------------------------------------------ */

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.js .reveal.in {
  opacity: 1;
  transform: none;
}

/* ---------------------------------------------------------------------------
   Smaller screens
   ------------------------------------------------------------------------ */

@media (max-width: 960px) {
  .hero,
  .sync,
  .privacy {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 56px;
    gap: 48px;
  }
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .privacy {
    padding: 32px;
    gap: 28px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
  .nav-links {
    display: none;
  }
  .nav {
    padding-left: 14px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 64px 16px;
  }
  .hero-art {
    min-height: 0;
    padding-bottom: 40px;
  }
  .window {
    transform: none;
    animation: none;
  }
  .window-body {
    grid-template-columns: 1fr;
  }
  .mock-side {
    display: none;
  }
  .phone {
    width: 150px;
    right: -4px;
    bottom: -10px;
    padding: 22px 12px 12px;
  }
  .phone strong {
    font-size: 13px;
  }
  .privacy {
    padding: 24px;
    border-radius: 24px;
  }
  .footer-inner {
    flex-wrap: wrap;
    gap: 12px;
  }
  .footer nav {
    margin-left: 0;
    width: 100%;
  }
  .btn {
    padding: 12px 18px;
  }
}

/* No drifting, floating or travelling for those who asked for less motion. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
  .packets {
    display: none;
  }
}