/* ============================================================
   kamaji — landing page
   Aesthetic: Catppuccin Mocha terminal, warm brass accent,
   box-drawing chrome. All monospace, like the tool itself.
   ============================================================ */

:root {
  /* Catppuccin Mocha */
  --crust:    #11111b;
  --mantle:   #181825;
  --base:     #1e1e2e;
  --surface0: #313244;
  --surface1: #45475a;
  --surface2: #585b70;
  --overlay0: #6c7086;
  --overlay1: #7f849c;
  --subtext0: #a6adc8;
  --subtext1: #bac2de;
  --text:     #cdd6f4;

  --peach:  #fab387;
  --yellow: #f9e2af;
  --green:  #a6e3a1;
  --blue:   #89b4fa;
  --mauve:  #cba6f7;
  --red:    #f38ba8;
  --teal:   #94e2d5;
  --sapphire:#74c7ec;

  /* roles */
  --accent: var(--peach);
  --accent-2: var(--yellow);

  --col-todo:   var(--overlay1);
  --col-prog:   var(--blue);
  --col-review: var(--yellow);
  --col-done:   var(--green);

  --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', 'Menlo', monospace;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--mono);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 78% -8%, rgba(250,179,135,.10), transparent 60%),
    radial-gradient(900px 500px at 10% 12%, rgba(137,180,250,.06), transparent 60%),
    var(--crust);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

code, kbd { font-family: var(--mono); }
kbd {
  background: var(--surface0);
  border: 1px solid var(--surface1);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0 .35em;
  font-size: .85em;
  color: var(--subtext1);
  white-space: nowrap;
}
code {
  color: var(--accent-2);
  background: rgba(249,226,175,.08);
  padding: 0 .3em;
  border-radius: 3px;
}

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

/* film grain / faint scanlines for CRT atmosphere */
.grain {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: .35; mix-blend-mode: overlay;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 3px);
}

section, header, footer { position: relative; z-index: 2; }

/* ─────────────────────────── HERO ─────────────────────────── */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2rem) clamp(1.2rem, 4vw, 2.5rem) clamp(2rem, 6vw, 5rem);
}

.topnav {
  display: flex; align-items: center; justify-content: space-between;
  padding: .4rem 0 1.6rem;
  gap: 1rem; flex-wrap: wrap;
}
.brand {
  font-weight: 700; font-size: 1.35rem; letter-spacing: -0.03em;
  color: var(--text);
}
.cursor {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
  margin-left: 1px;
}
@keyframes blink { 50% { opacity: 0; } }

.topnav-links { display: flex; gap: 1.4rem; font-size: .92rem; flex-wrap: wrap; }
.topnav-links a { color: var(--subtext0); }
.topnav-links a:hover { color: var(--accent); text-decoration: none; }
.topnav-links .ghlink { color: var(--text); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
}

.hero-copy > * { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
.hero-copy .kicker  { animation-delay: .04s; }
.hero-copy h1        { animation-delay: .12s; }
.hero-copy .lede     { animation-delay: .20s; }
.hero-copy .prompt-line { animation-delay: .28s; }
.hero-copy .cta-row  { animation-delay: .36s; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }

.kicker {
  font-size: .82rem; letter-spacing: .04em; text-transform: lowercase;
  color: var(--accent); margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  line-height: 1.02; font-weight: 700; letter-spacing: -0.04em;
  margin: 0 0 1.2rem; color: var(--text);
}
.hero h1 .accent {
  color: var(--accent);
  text-shadow: 0 0 34px rgba(250,179,135,.35);
}
.lede {
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  color: var(--subtext1); max-width: 40ch; margin: 0 0 1.7rem;
}
.lede strong { color: var(--text); font-weight: 600; }

.prompt-line {
  display: flex; align-items: center; gap: .6rem;
  background: var(--mantle);
  border: 1px solid var(--surface0);
  border-radius: 8px;
  padding: .65rem .7rem .65rem .85rem;
  margin-bottom: 1.7rem;
  font-size: .9rem; overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.2);
}
.prompt-line .sigil { color: var(--green); font-weight: 700; }
.prompt-line .cmd {
  color: var(--subtext1); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; flex: 1;
}

.copy {
  font-family: var(--mono); cursor: pointer;
  background: var(--surface0); color: var(--subtext0);
  border: 1px solid var(--surface1); border-radius: 6px;
  padding: .2rem .55rem; font-size: .78rem;
  transition: all .15s ease; flex-shrink: 0;
}
.copy:hover { color: var(--accent); border-color: var(--accent); }
.copy.ok { color: var(--green); border-color: var(--green); }

.cta-row { display: flex; gap: .8rem; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--mono); font-weight: 600; font-size: .95rem;
  padding: .7rem 1.3rem; border-radius: 8px;
  border: 1px solid transparent; transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: var(--accent); color: var(--crust);
  box-shadow: 0 6px 20px -6px rgba(250,179,135,.6);
}
.btn-primary:hover { box-shadow: 0 10px 28px -6px rgba(250,179,135,.7); }
.btn-ghost {
  color: var(--text); border-color: var(--surface1); background: var(--mantle);
}
.btn-ghost:hover { border-color: var(--overlay0); }

/* hero artwork */
.hero-art {
  margin: 0; position: relative;
  animation: rise .9s cubic-bezier(.2,.7,.2,1) both .2s;
}
.art-glow {
  position: absolute; inset: -8% -4% 6%;
  background: radial-gradient(60% 60% at 50% 45%, rgba(250,179,135,.30), rgba(203,166,247,.10) 55%, transparent 72%);
  filter: blur(20px); z-index: 0;
}
.hero-art img {
  position: relative; z-index: 1;
  width: 100%; height: auto; display: block;
  filter: drop-shadow(0 24px 50px rgba(0,0,0,.55));
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 50% { transform: translateY(-10px); } }
.hero-art figcaption {
  position: relative; z-index: 1;
  text-align: center; margin-top: .6rem;
  font-size: .8rem; color: var(--overlay1); letter-spacing: .02em;
}

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

/* ───────────────── shared: terminal window ───────────────── */
.window {
  background: var(--base);
  border: 1px solid var(--surface0);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 60px -28px rgba(0,0,0,.8), inset 0 0 0 1px rgba(255,255,255,.02);
}
.window-bar {
  display: flex; align-items: center; gap: .5rem;
  padding: .7rem .9rem; background: var(--mantle);
  border-bottom: 1px solid var(--surface0);
}
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: var(--red); } .dot.yellow { background: var(--yellow); } .dot.green { background: var(--green); }
.window-title {
  margin-left: .6rem; font-size: .82rem; color: var(--overlay1);
}

/* ─────────────────────── BOARD PREVIEW ─────────────────────── */
.board-section {
  max-width: var(--maxw); margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 2.5rem) clamp(3rem, 7vw, 6rem);
}
.board {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: .8rem; padding: 1rem; background:
    linear-gradient(var(--base), var(--base)) padding-box;
}
.col {
  border: 1px solid var(--surface0); border-radius: 8px;
  padding: .55rem; min-height: 150px; background: rgba(0,0,0,.15);
}
.col-head {
  font-size: .8rem; font-weight: 600; padding: .15rem .35rem .55rem;
  color: var(--col-todo); border-bottom: 1px dashed var(--surface1);
  margin-bottom: .55rem; text-transform: uppercase; letter-spacing: .05em;
}
.col[data-col=prog]   .col-head { color: var(--col-prog); }
.col[data-col=review] .col-head { color: var(--col-review); }
.col[data-col=done]   .col-head { color: var(--col-done); }
.ticket {
  font-size: .84rem; color: var(--subtext1);
  padding: .4rem .45rem; border-radius: 6px; margin-bottom: .4rem;
  background: var(--surface0); border: 1px solid transparent;
  transition: transform .12s ease, border-color .12s ease;
}
.ticket:hover { transform: translateX(2px); border-color: var(--surface2); }
.pip.empty { color: var(--overlay0); }
.pip.full  { color: var(--green); }
.ticket.live .pip.full { color: var(--blue); }
.board-bar {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .55rem .9rem; background: var(--mantle);
  border-top: 1px solid var(--surface0);
  font-size: .76rem;
}
.bar-proj { color: var(--accent); font-weight: 600; }
.bar-keys { color: var(--overlay1); }

/* ─────────────────── section heads ─────────────────── */
.section-head { max-width: var(--maxw); margin: 0 auto 2.2rem; }
.section-head .kicker { margin-bottom: .5rem; color: var(--accent); }
.section-head h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700;
  letter-spacing: -0.03em; margin: 0; color: var(--text);
}

/* ───────────────────────── FEATURES ───────────────────────── */
.features { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem,4vw,2.5rem) clamp(3rem,7vw,6rem); }
.feat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.feat {
  background: var(--base); border: 1px solid var(--surface0);
  border-radius: 10px; padding: 1.4rem 1.5rem;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.feat:hover {
  border-color: var(--accent); transform: translateY(-3px);
  box-shadow: 0 16px 36px -22px rgba(250,179,135,.55);
}
.feat h3 {
  margin: 0 0 .55rem; font-size: 1.05rem; font-weight: 600;
  color: var(--text); display: flex; align-items: center; gap: .6rem;
}
.feat .gx {
  color: var(--accent); font-size: 1.05rem; width: 1.4em; text-align: center;
  flex-shrink: 0;
}
.feat p { margin: 0; color: var(--subtext0); font-size: .92rem; }
.feat em { color: var(--col-prog); font-style: normal; }

/* ─────────────────── HOW IT WORKS ─────────────────── */
.how { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem,4vw,2.5rem) clamp(3rem,7vw,6rem); }
.flow {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: stretch; gap: .6rem; flex-wrap: wrap;
}
.step {
  flex: 1 1 200px; background: var(--base);
  border: 1px solid var(--surface0); border-top: 3px solid var(--col-todo);
  border-radius: 10px; padding: 1.2rem 1.3rem;
}
.step[data-col=prog]   { border-top-color: var(--col-prog); }
.step[data-col=review] { border-top-color: var(--col-review); }
.step[data-col=done]   { border-top-color: var(--col-done); }
.step-tag {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--overlay1);
}
.step[data-col=prog]   .step-tag { color: var(--col-prog); }
.step[data-col=review] .step-tag { color: var(--col-review); }
.step[data-col=done]   .step-tag { color: var(--col-done); }
.step h3 { margin: .3rem 0 .5rem; font-size: 1.04rem; color: var(--text); }
.step p  { margin: 0; font-size: .9rem; color: var(--subtext0); }
.arrow {
  display: flex; align-items: center; color: var(--surface2);
  font-size: 1.4rem; flex: 0 0 auto;
}

/* ─────────────────────── QUICK START ─────────────────────── */
.start { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1.2rem,4vw,2.5rem) clamp(3rem,7vw,6rem); }
.start-grid {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr);
  gap: 1.4rem; align-items: start;
}
.reqs {
  background: var(--base); border: 1px solid var(--surface0);
  border-radius: 10px; padding: 1.4rem 1.5rem;
}
.reqs h3 { margin: 0 0 .9rem; font-size: 1rem; color: var(--text); }
.reqs ul { list-style: none; margin: 0; padding: 0; }
.reqs li { font-size: .9rem; color: var(--subtext1); margin-bottom: .6rem; }
.reqs .pip.full { color: var(--accent); margin-right: .4rem; }
.reqs strong { color: var(--text); }

.code-window { font-size: .9rem; }
.code {
  margin: 0; padding: 1.1rem 1.2rem; overflow-x: auto;
  line-height: 1.9; color: var(--subtext1); background: var(--base);
}
.code .ln { display: block; position: relative; padding-right: 4rem; white-space: pre; }
.code .c-sigil { color: var(--green); font-weight: 700; margin-right: .6rem; }
.code .c-out { display: block; color: var(--overlay0); }
.code .copy {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  opacity: 0; transition: opacity .15s ease;
}
.code .ln:hover .copy { opacity: 1; }

/* ─────────────────────── STATUS BAR ─────────────────────── */
.status-bar {
  position: sticky; bottom: 0; z-index: 5;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .6rem clamp(1rem, 4vw, 2rem);
  background: var(--mantle); border-top: 1px solid var(--surface0);
  font-size: .82rem; backdrop-filter: blur(6px);
}
.sb-proj {
  background: var(--accent); color: var(--crust);
  font-weight: 700; padding: .1rem .6rem; border-radius: 4px;
}
.sb-keys { display: flex; gap: 1rem; flex-wrap: wrap; }
.sb-keys a { color: var(--subtext0); }
.sb-keys a:hover { color: var(--accent); text-decoration: none; }
.sb-right { margin-left: auto; color: var(--overlay0); }

/* ─────────────────────── RESPONSIVE ─────────────────────── */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 460px; margin: 0 auto; }
  .start-grid { grid-template-columns: 1fr; }
  .board { grid-template-columns: repeat(2, 1fr); }
  .arrow { display: none; }
  .flow { flex-direction: column; }
}
@media (max-width: 480px) {
  .topnav-links { gap: .9rem; font-size: .85rem; }
  .sb-right { display: none; }
}