/* =========================================================================
   aidash.dev — Graphite & Copper, light. System typography, hairlines,
   one copper accent reserved for actions. No gradients, no glows.
   ========================================================================= */

:root {
  /* Palette A — Graphite & Copper (light) */
  --bg:        #FAF9F7;
  --surface:   #FFFFFF;
  --surface-2: #F3F1ED;
  --text:      #1A1A18;
  --text-2:    #6B6A65;
  --text-3:    #93918B;
  --border:    #E7E5E0;
  --border-2:  #DCDAD3;
  --accent:    #B4552D;
  --accent-hi: #9A481F;
  --accent-ink:#FFFFFF;

  /* macOS traffic lights (authentic product chrome) */
  --tl-r: #FF5F57;
  --tl-y: #FEBC2E;
  --tl-g: #28C840;

  /* agent marks */
  --claude: #C86A3B;
  --codex:  #3B6EA5;

  --measure: 660px;
  --maxw: 1140px;

  --radius: 10px;
  --radius-btn: 9px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(15,15,15,.05);
  --shadow:    0 1px 2px rgba(15,15,15,.05), 0 12px 32px rgba(15,15,15,.07);
  --shadow-lg: 0 2px 4px rgba(15,15,15,.05), 0 30px 70px rgba(15,15,15,.10);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  --font: -apple-system, "SF Pro Display", "SF Pro Text", system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "Geist Mono", ui-monospace, "Menlo", monospace;
}

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

html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: -0.003em;
}

::selection { background: rgba(180,85,45,.16); }

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

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 28px; }
.measure { max-width: var(--measure); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------------------------------------------------------------- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,249,247,.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: var(--maxw); margin-inline: auto; padding: 14px 28px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); }
.brand-mark { display: inline-flex; color: var(--text); }
.brand-domain {
  font-family: var(--mono); font-size: 13.5px; letter-spacing: -0.01em;
  color: var(--text); font-weight: 500;
}
.nav-links { margin-left: auto; display: flex; gap: 26px; }
.nav-links a {
  font-size: 14.5px; color: var(--text-2); letter-spacing: -0.006em;
  transition: color .2s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; align-items: center; }
.soon-pill {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.01em;
  color: var(--accent);
  border: 1px solid rgba(180,85,45,.32);
  padding: 6px 12px; border-radius: 999px;
  background: rgba(180,85,45,.05);
}

/* -------------------------------------------------------------- Buttons -- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 500; letter-spacing: -0.008em;
  padding: 12px 20px; border-radius: var(--radius-btn);
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s var(--ease), background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
  font-family: inherit;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-hi); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--text-3); background: rgba(0,0,0,.02); }
.btn-ghost .arr { transition: transform .2s var(--ease); }
.btn-ghost:hover .arr { transform: translateX(3px); }
.btn-lg { padding: 15px 28px; font-size: 16px; }

/* ---------------------------------------------------------------- Hero --- */
.hero { padding: 84px 0 40px; text-align: center; overflow: hidden; }
/* Above-the-fold: a pure-CSS entrance so it never waits on JS or scroll. */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.hero-copy { display: flex; flex-direction: column; align-items: center; animation: rise .7s var(--ease) both; }
.hero-shot { animation: rise .8s .1s var(--ease) both; }
.eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em;
  color: var(--text-3); margin-bottom: 22px;
}
h1 {
  font-size: clamp(2.6rem, 6.4vw, 4.6rem);
  font-weight: 560; line-height: 1.03; letter-spacing: -0.032em;
  color: var(--text); max-width: 15ch;
}
.lede {
  margin-top: 24px; max-width: 600px;
  font-size: clamp(1.075rem, 2.2vw, 1.28rem);
  line-height: 1.5; color: var(--text-2); letter-spacing: -0.008em;
}
.hero-actions { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.hero-note {
  margin-top: 20px; font-family: var(--mono); font-size: 12px;
  color: var(--text-3); letter-spacing: 0.005em;
}

/* Product window ---------------------------------------------------------- */
.hero-shot { margin-top: 66px; padding-inline: 28px; }
.window {
  max-width: 1060px; margin-inline: auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  overflow: hidden; text-align: left;
}
.win-bar {
  display: flex; align-items: center; gap: 16px;
  height: 44px; padding: 0 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.lights { display: inline-flex; gap: 8px; }
.lights i { width: 12px; height: 12px; border-radius: 50%; display: block; }
.l-r { background: var(--tl-r); } .l-y { background: var(--tl-y); } .l-g { background: var(--tl-g); }
.win-title { font-size: 13px; font-weight: 550; color: var(--text-2); letter-spacing: -0.01em; }
.win-search {
  margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--text-3);
  border: 1px solid var(--border); border-radius: 7px; padding: 5px 10px; background: var(--surface);
  min-width: 220px;
}

.win-body { display: grid; grid-template-columns: 200px 1fr 300px; min-height: 430px; }

.side { border-right: 1px solid var(--border); padding: 14px 10px; background: var(--surface-2); }
.side-group {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-3); padding: 12px 8px 6px;
}
.side-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-2); padding: 6px 8px; border-radius: 7px;
  letter-spacing: -0.006em;
}
.side-item.is-active { background: var(--surface); color: var(--text); font-weight: 500; box-shadow: var(--shadow-sm); }
.side-item .count { margin-left: auto; font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.side-item .glyph { color: var(--text-3); font-size: 9px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); }
.dot-claude { background: var(--claude); }
.dot-codex { background: var(--codex); }

.list { border-right: 1px solid var(--border); padding: 8px; overflow: hidden; }
.list-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 10px 10px 12px; font-size: 13px; font-weight: 600; color: var(--text);
}
.list-head-meta { font-family: var(--mono); font-size: 11px; color: var(--text-3); font-weight: 400; }
.row {
  display: grid; grid-template-columns: auto 1fr auto; grid-template-rows: auto auto;
  gap: 2px 10px; align-items: center;
  padding: 10px 10px; border-radius: 8px; cursor: default;
  transition: background .15s var(--ease);
}
.row:hover { background: var(--surface-2); }
.row.is-sel { background: var(--surface-2); box-shadow: inset 2px 0 0 var(--accent); }
.agent {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.01em;
  padding: 2px 6px; border-radius: 5px; grid-row: span 2; align-self: start; margin-top: 1px;
}
.agent-claude { color: var(--claude); background: rgba(200,106,59,.10); }
.agent-codex  { color: var(--codex);  background: rgba(59,110,165,.10); }
.row-title { font-size: 13.5px; color: var(--text); letter-spacing: -0.008em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-meta { grid-column: 2; font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.row-time { grid-column: 3; grid-row: 1 / span 2; font-family: var(--mono); font-size: 11px; color: var(--text-3); align-self: center; }

.detail { padding: 16px; overflow: hidden; }
.detail-top { display: flex; align-items: center; gap: 8px; }
.detail-title { font-size: 13.5px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; line-height: 1.3; }
.detail-sub { font-family: var(--mono); font-size: 11px; color: var(--text-3); margin: 8px 0 14px; }
.thread { display: flex; flex-direction: column; gap: 8px; }
.msg { font-size: 12.5px; line-height: 1.45; padding: 9px 11px; border-radius: 9px; max-width: 92%; letter-spacing: -0.006em; }
.msg code { font-family: var(--mono); font-size: 11px; background: var(--surface-2); padding: 1px 4px; border-radius: 4px; }
.msg-user { align-self: flex-end; background: var(--text); color: var(--bg); border-bottom-right-radius: 3px; }
.msg-user code { background: rgba(255,255,255,.16); color: inherit; }
.msg-agent { align-self: flex-start; background: var(--surface-2); color: var(--text); border-bottom-left-radius: 3px; }
.detail-files { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.chip-file { font-family: var(--mono); font-size: 10.5px; color: var(--text-2); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; background: var(--surface); }

/* ---------------------------------------------------------------- Band --- */
.band { padding: 120px 0; }
.kicker {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
h2 { font-size: clamp(1.95rem, 4vw, 2.7rem); font-weight: 560; line-height: 1.08; letter-spacing: -0.022em; }
.body-lg { margin-top: 22px; font-size: clamp(1.075rem, 2vw, 1.26rem); line-height: 1.55; color: var(--text-2); letter-spacing: -0.008em; }
.body { margin-top: 16px; color: var(--text-2); line-height: 1.6; letter-spacing: -0.004em; }

/* ------------------------------------------------------------ Features --- */
.features { padding: 24px 0 40px; }
.feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
  padding: 60px 0;
}
.feature-rev .feature-text { order: 2; }
.feature h3 { font-size: clamp(1.5rem, 2.6vw, 1.9rem); font-weight: 560; line-height: 1.15; letter-spacing: -0.018em; }
.ticks { list-style: none; margin-top: 22px; display: flex; flex-direction: column; gap: 11px; }
.ticks li { position: relative; padding-left: 26px; color: var(--text-2); font-size: 15.5px; letter-spacing: -0.006em; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 8px;
  border-left: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent);
  transform: rotate(-45deg);
}

.feature-media { display: flex; justify-content: center; }
.mini {
  width: 100%; max-width: 420px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 16px;
}
.mini-bar { font-family: var(--mono); font-size: 12.5px; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; display: flex; align-items: center; gap: 10px; }
.mini-k { color: var(--text-3); }
.mini-res { margin-top: 12px; display: flex; flex-direction: column; gap: 2px; }
.mini-row { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-2); padding: 8px 8px; border-radius: 7px; letter-spacing: -0.006em; }
.mini-row:hover { background: var(--surface-2); }
.mini-row em { color: var(--accent); font-style: normal; font-weight: 500; }
.mini-foot { margin-top: 10px; font-family: var(--mono); font-size: 11px; color: var(--text-3); padding-left: 8px; }

.mini-nav { padding: 12px; }
.mini-nav-row { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-2); padding: 12px 12px; border-radius: 8px; letter-spacing: -0.006em; }
.mini-nav-row.is-on { background: var(--surface-2); color: var(--text); font-weight: 500; box-shadow: inset 2px 0 0 var(--accent); }
.mini-tag { margin-left: auto; font-family: var(--mono); font-size: 10.5px; color: var(--text-3); border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; }

.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 4px; background: var(--surface); }
.stat-wide { grid-column: 1 / -1; }
.stat-num { font-size: 30px; font-weight: 560; letter-spacing: -0.02em; }
.stat-num.accent { color: var(--accent); }
.stat-lbl { font-family: var(--mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.005em; }

/* ------------------------------------------------------------ Statement -- */
.statement { padding: 130px 0; text-align: center; }
.statement-title { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 560; line-height: 1.12; letter-spacing: -0.024em; max-width: 18ch; margin-inline: auto; }
.statement .accent { color: var(--accent); }
.statement .u { border-bottom: 2px solid var(--text); padding-bottom: 1px; }

/* ---------------------------------------------------------------- CTA ---- */
.cta { padding: 40px 0 130px; }
.cta-inner {
  text-align: center; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 76px 32px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center;
}
.cta-inner h2 { max-width: 16ch; }
.cta-inner .body-lg { max-width: 46ch; }
.cta-actions { margin-top: 32px; }

/* -------------------------------------------------------------- Footer --- */
.footer { border-top: 1px solid var(--border); padding: 46px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 8px; }
.footer-domain { font-family: var(--mono); font-size: 13px; font-weight: 500; }
.footer-tag { color: var(--text-2); font-size: 14.5px; letter-spacing: -0.006em; }
.footer-legal { font-family: var(--mono); font-size: 11.5px; color: var(--text-3); letter-spacing: 0.005em; }

/* ------------------------------------------------------------- Reveal ---- */
/* Only hide-then-reveal when JS is present; without it, everything shows. */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal[data-reveal-delay="1"] { transition-delay: .08s; }

/* --------------------------------------------------------- Responsive ---- */
@media (max-width: 900px) {
  .win-body { grid-template-columns: 190px 1fr; }
  .detail { display: none; }
  .list { border-right: none; }
  .feature { grid-template-columns: 1fr; gap: 32px; padding: 44px 0; }
  .feature-rev .feature-text { order: 0; }
  .feature-media { order: -1; }
  .band { padding: 84px 0; }
  .statement { padding: 96px 0; }
}
@media (max-width: 620px) {
  .container { padding-inline: 20px; }
  .nav-links { display: none; }
  .hero { padding: 56px 0 24px; }
  .br-desk { display: none; }
  .hero-shot { padding-inline: 14px; margin-top: 48px; }
  .win-body { grid-template-columns: 1fr; }
  .side { display: none; }
  .win-search { min-width: 0; }
  .cta-inner { padding: 52px 22px; }
  .mini-stats { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .js .reveal, .reveal { opacity: 1; transform: none; transition: none; }
  .hero-copy, .hero-shot { animation: none; }
  .btn, .btn-ghost .arr { transition: none; }
}