/* slapp — slapp.dev
   house law: deep ink, warm paper, ONE lime accent, serif display,
   mono system lines. no italics. minimal words. */

/* ── fonts (self-hosted) ── */
@font-face {
  font-family: "Newsreader";
  src: url("/fonts/newsreader-latin.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201A, U+201C-201E, U+2022, U+2019;
}
@font-face {
  font-family: "Newsreader";
  src: url("/fonts/newsreader-latin-ext.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Spline Sans Mono";
  src: url("/fonts/spline-sans-mono-latin.woff2") format("woff2");
  font-weight: 400 500;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2013-2014, U+2018-201A, U+201C-201E, U+2022, U+2019;
}
@font-face {
  font-family: "Spline Sans Mono";
  src: url("/fonts/spline-sans-mono-latin-ext.woff2") format("woff2");
  font-weight: 400 500;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ── tokens ── */
:root {
  --bg: #08080A;
  --panel: #101014;
  --panel-2: #0E0E12;
  --fg: #F5F0E3;
  --mut: #98958D;
  --lime: #C7E547;
  --lime-dim: rgba(199, 229, 71, .45);
  --line: rgba(255, 255, 255, .10);
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --mono: "Spline Sans Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

/* ── base ── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
em, i { font-style: normal; }
::selection { background: var(--lime); color: var(--bg); }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 1.5px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
svg { display: block; }

/* ── nav ── */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 48px); height: 60px;
  background: rgba(8, 8, 10, .72);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font: 600 22px var(--serif);
  letter-spacing: -.01em;
}
.brand .dot { color: var(--lime); }
.navlinks { display: flex; gap: clamp(16px, 3vw, 30px); }
.navlinks a {
  font: 400 13px var(--mono);
  color: var(--mut);
  transition: color .18s;
}
.navlinks a:hover { color: var(--lime); }

main { max-width: 1120px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 48px); }

/* ── hero ── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 140px 0 80px;
}
.hero-icon {
  width: clamp(76px, 9vw, 104px); height: auto;
  filter: drop-shadow(0 12px 48px rgba(199, 229, 71, .28));
  margin-bottom: 36px;
}
.hero-icon .bars rect {
  animation: breathe 2.2s ease-in-out infinite;
  animation-delay: calc(var(--i) * .18s);
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes breathe {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(.72); opacity: .82; }
}
.eyebrow {
  font: 400 12px var(--mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mut);
  margin-bottom: 18px;
}
.hero h1 {
  font: 500 clamp(3.4rem, 9vw, 7rem)/0.98 var(--serif);
  letter-spacing: -.025em;
  margin-bottom: 26px;
}
.sub {
  font: 400 clamp(16px, 2vw, 19px)/1.65 var(--sans);
  color: var(--mut);
  max-width: 36em;
  margin-bottom: 40px;
}
.bg-spiral {
  position: absolute;
  width: 980px; height: 980px;
  left: 50%; top: 46%;
  transform: translate(-50%, -50%);
  fill: none;
  stroke: var(--lime);
  stroke-width: .7;
  opacity: .05;
  animation: spin 90s linear infinite;
  pointer-events: none;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ── install pill ── */
.install-pill {
  position: relative; z-index: 1;
  display: inline-flex; align-items: center;
  gap: 6px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 12px 10px 20px;
  box-shadow: 0 16px 60px rgba(199, 229, 71, .07), 0 4px 20px rgba(0, 0, 0, .4);
}
.install-pill.big { padding: 14px 14px 14px 24px; margin-bottom: 18px; }
.install-pill .ps1 { color: var(--lime); font: 500 14px var(--mono); margin-right: 8px; user-select: none; }
.install-pill code {
  font: 400 clamp(12px, 1.6vw, 14.5px) var(--mono);
  color: var(--fg);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: min(74vw, 480px);
}
.install-pill.big code { font-size: clamp(12.5px, 1.9vw, 15.5px); max-width: min(78vw, 560px); }
.install-pill code::-webkit-scrollbar { display: none; }
.copy {
  font: 500 11.5px var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--lime);
  background: transparent;
  border: 1px solid var(--lime-dim);
  border-radius: 999px;
  padding: 7px 15px;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s;
  flex: none;
}
.copy:hover { background: var(--lime); color: var(--bg); border-color: var(--lime); }
.copy.done { background: var(--lime); color: var(--bg); border-color: var(--lime); }

.soon-row {
  position: relative; z-index: 1;
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  margin-top: 22px;
}
.soon {
  font: 400 12px var(--mono);
  color: var(--mut);
  border: 1px dashed rgba(255, 255, 255, .16);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ── sections ── */
.sec { padding: clamp(70px, 10vw, 130px) 0 0; }
.sec-index {
  font: 400 12px var(--mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 14px;
}
.sec h2 {
  font: 500 clamp(2.1rem, 4.5vw, 3.3rem)/1.05 var(--serif);
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.sec-sub {
  font: 400 16px/1.65 var(--sans);
  color: var(--mut);
  max-width: 44em;
}
.sec-sub.center { text-align: center; margin: 0 auto; max-width: 40em; }

/* ── 01 demo ── */
.demo {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.demo-phone {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 38px;
  padding: 14px 14px 18px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .55), 0 2px 0 rgba(255, 255, 255, .04) inset;
}
.demo-slug {
  font: 400 11px var(--mono);
  color: var(--mut);
  text-align: center;
  margin-bottom: 10px;
  letter-spacing: .08em;
}
.demo-canvas {
  aspect-ratio: 9 / 18.5;
  border-radius: 26px;
  background: radial-gradient(120% 90% at 30% 20%, rgba(70, 163, 184, .16), transparent 60%), var(--panel-2);
  border: 1px solid rgba(255, 255, 255, .06);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: background .8s ease;
}
.demo-canvas span {
  font: 500 clamp(19px, 2.4vw, 25px) var(--serif);
  letter-spacing: -.01em;
  text-align: center;
  padding: 0 18px;
  word-break: break-word;
}
.demo-log {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 300px;
  font: 400 13.5px/1.55 var(--mono);
}
.demo-log .row {
  display: flex; gap: 14px;
  opacity: 0; transform: translateY(8px);
  transition: opacity .45s ease, transform .45s ease;
}
.demo-log .row.on { opacity: 1; transform: none; }
.demo-log .who {
  flex: none; width: 52px;
  font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--mut); padding-top: 2.5px;
  text-align: right;
}
.demo-log .msg { color: var(--fg); }
.demo-log .agent .msg { color: #C9C5BA; }
.demo-log .canvas .msg { color: var(--rc, var(--lime)); }
.demo-log .sys .msg { color: var(--mut); }
.demo-cursor {
  display: inline-block;
  width: 8px; height: 15px;
  background: var(--lime);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1.05s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── 02 cells ── */
.cells {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 14px;
}
.cell {
  position: relative;
  border-radius: 26px;
  padding: 26px 24px 24px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--c) 21%, transparent),
    color-mix(in srgb, var(--c) 8%, transparent));
  box-shadow: 0 10px 34px color-mix(in srgb, var(--c) 13%, transparent);
  transition: transform .25s ease, box-shadow .25s ease;
}
.cell::before, .cell::after {
  content: "";
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--cb) 32%, transparent);
  border-radius: 22px;
  pointer-events: none;
}
.cell::before { inset: 4px; }
.cell::after { inset: 9px; border-radius: 17px; border-color: color-mix(in srgb, var(--cb) 16%, transparent); }
.cell:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 54px color-mix(in srgb, var(--c) 26%, transparent);
}
.cell svg {
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--cb);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.cell h3 {
  font: 600 20px/1.2 var(--serif);
  letter-spacing: -.01em;
  margin: 18px 0 6px;
}
.cell p {
  font: 400 14px/1.55 var(--sans);
  color: color-mix(in srgb, var(--cb) 34%, var(--mut));
}
.cell.alive { background: linear-gradient(135deg, rgba(199, 229, 71, .18), rgba(199, 229, 71, .07)); }
.cell.alive::before { border-color: var(--lime-dim); }
.cell.alive::after { border-color: rgba(199, 229, 71, .18); }
.cell.alive svg { stroke: var(--lime); }
.cell.alive p { color: color-mix(in srgb, var(--lime) 40%, var(--mut)); }

/* ── 03 how ── */
.arch {
  margin-top: 56px;
  display: flex; align-items: center; justify-content: center;
  gap: clamp(12px, 3vw, 26px);
  flex-wrap: wrap;
}
.arch-node {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 20px;
  padding: 16px 30px;
  text-align: center;
  min-width: 128px;
}
.arch-name { display: block; font: 500 15px var(--mono); }
.arch-sub { display: block; font: 400 11.5px var(--mono); color: var(--mut); margin-top: 5px; letter-spacing: .04em; }
.arch-arr {
  width: 34px; height: 34px;
  fill: none; stroke: var(--lime);
  stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
  opacity: .85;
}
.steps {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 3vw, 28px);
  list-style: none;
}
.steps li { border-top: 1px solid var(--line); padding-top: 20px; }
.steps h3 { font: 600 22px var(--serif); margin-bottom: 8px; }
.steps p { font: 400 15px/1.6 var(--sans); color: var(--mut); }

/* ── 04 install ── */
.reqs {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}
.req-h {
  font: 400 11px var(--mono);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.mono-list { list-style: none; font: 400 13px/1.5 var(--mono); }
.mono-list li { margin-bottom: 10px; }
.mono-list span { display: block; color: var(--mut); font-size: 12px; margin-top: 2px; }
.code {
  font: 400 12.5px/1.7 var(--mono);
  color: #C9C5BA;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  overflow-x: auto;
  white-space: pre;
}

/* ── footer ── */
.foot {
  margin-top: clamp(80px, 12vw, 150px);
  border-top: 1px solid var(--line);
  padding: 46px clamp(20px, 5vw, 48px) 70px;
  display: grid;
  justify-items: center;
  gap: 20px;
  text-align: center;
}
.foot-brand { display: flex; align-items: center; gap: 11px; }
.foot-icon { width: 24px; height: 24px; }
.foot-made { font: 400 12.5px var(--mono); color: var(--mut); max-width: 46em; }
.foot-made a { color: var(--lime); }
.foot-made a:hover { text-decoration: underline; }
.foot-links { display: flex; gap: 26px; }
.foot-links a {
  font: 400 13px var(--mono);
  color: var(--mut);
  transition: color .18s;
}
.foot-links a:hover { color: var(--lime); }

/* ── responsive ── */
@media (max-width: 860px) {
  .demo { grid-template-columns: 1fr; }
  .demo-phone { max-width: 280px; margin: 0 auto; width: 100%; }
  .demo-log { min-height: 0; }
  .steps { grid-template-columns: 1fr; }
  .reqs { grid-template-columns: 1fr; }
  .arch { flex-direction: column; }
  .arch-arr { transform: rotate(90deg); }
  .hero { min-height: 86vh; }
}
@media (max-width: 560px) {
  .navlinks a:not(:last-child) { display: none; }
  .install-pill { flex-wrap: wrap; padding: 12px 14px 12px 18px; }
  .install-pill code {
    flex: 1 1 calc(100% - 96px);
    max-width: none;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: visible;
  }
  .install-pill .copy { margin-left: auto; }
}

/* ── motion respect ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}