/*
 * Mitts Build — static project site styles
 * Copyright (c) 2026 Alexander Panasenko
 *
 * Contact: alex@prod.codes
 * Author: https://prod.codes/about/
 * Project: https://github.com/alex09x/mitts
 * SPDX-License-Identifier: MIT OR Apache-2.0
 */

:root {
  color-scheme: dark;
  --bg: #121315;
  --panel: #1b1d20;
  --panel-2: #24272b;
  --ink: #f2f3f4;
  --muted: #9aa0a8;
  --line: #2e3136;
  --accent: #ff3b30;
  --hit: #c9ced4;
  --display: "Bricolage Grotesque", "Avenir Next", sans-serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgb(255 59 48 / .10), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 48px,
    var(--bg);
  background-blend-mode: normal, soft-light, normal;
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
code, dt, .tag, .kicker, .num { font-family: var(--mono); }
h1, h2, h3 { font-family: var(--display); letter-spacing: -.02em; text-wrap: balance; margin: 0; }
p { text-wrap: pretty; }

.shell { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 0; }
.brand { display: flex; align-items: center; gap: 10px; font: 600 15px var(--mono); text-decoration: none; }
.brand .dim { color: var(--muted); }
.mark { width: 28px; height: 28px; display: block; }
.nav { display: flex; gap: 24px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: center; padding: 72px 0 96px; }
.kicker { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; margin: 0 0 24px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hit); box-shadow: 0 0 0 4px rgb(201 206 212 / .18); }
h1 { font-size: clamp(48px, 7.4vw, 96px); font-weight: 800; line-height: .95; }
.accent { color: var(--accent); }
.lede { color: var(--muted); font-size: 19px; max-width: 34em; margin: 28px 0 36px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; background: var(--accent); color: #ffffff; font: 600 15px var(--sans); text-decoration: none; border-radius: 4px; transition: transform .15s; }
.button:hover { color: #ffffff; transform: translateY(-2px); }
.button.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.button.ghost:hover { color: var(--ink); box-shadow: inset 0 0 0 1px var(--muted); }

/* ledger diagram */
.ledger { margin: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 20px; font-family: var(--mono); font-size: 13px; box-shadow: 0 30px 80px -30px #000; }
.ledger-head { display: flex; justify-content: space-between; text-transform: uppercase; letter-spacing: .08em; font-size: 11px; color: var(--muted); padding-bottom: 14px; border-bottom: 1px dashed var(--line); }
.ok { color: var(--hit); }
.ledger-rows { list-style: none; margin: 0; padding: 8px 0; }
.ledger-rows li { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 7px 0; opacity: 0; animation: in .5s forwards; }
.ledger-rows li:nth-child(2) { animation-delay: .1s; } .ledger-rows li:nth-child(3) { animation-delay: .2s; }
.ledger-rows li:nth-child(4) { animation-delay: .3s; } .ledger-rows li:nth-child(5) { animation-delay: .4s; }
.ledger-rows span { color: var(--accent); }
.ledger-sum { display: flex; justify-content: space-between; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted); }
.ledger-sum code { color: var(--ink); }
.ledger-flow { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; padding-top: 16px; }
.ledger-flow div { display: grid; gap: 4px; background: var(--panel-2); padding: 12px; border-radius: 4px; }
.ledger-flow small { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.ledger-flow em { font-style: normal; color: var(--hit); font-size: 11px; }
.arrow { color: var(--accent); font-size: 18px; }
@keyframes in { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .ledger-rows li { animation: none; opacity: 1; } }

/* sections */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 24px; margin-bottom: 48px; }
.num { color: var(--accent); font-size: 14px; padding-top: 10px; }
h2 { font-size: clamp(32px, 4.4vw, 52px); font-weight: 700; line-height: 1.05; }
.section-head p { color: var(--muted); max-width: 40em; margin: 16px 0 0; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 28px; transition: border-color .2s; }
.card:hover { border-color: var(--accent); }
.tag { display: inline-block; color: var(--hit); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
h3 { font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; }

.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.checklist li { display: flex; gap: 16px; align-items: baseline; background: var(--panel); padding: 18px 22px; }
.checklist li::before { font: 600 13px var(--mono); flex: none; width: 40px; }
.checklist .yes::before { content: "HIT"; color: var(--hit); }
.checklist .no::before { content: "SKIP"; color: var(--accent); }
.checklist .no { color: var(--muted); }
.note { font: 500 22px/1.4 var(--display); margin: 0; padding-left: 24px; border-left: 2px solid var(--accent); }

.cli { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cli div { background: var(--panel); padding: 22px 24px; display: grid; gap: 6px; }
.cli dt { color: var(--ink); font-weight: 600; }
.cli dt::before { content: "$ "; color: var(--accent); }
.cli dd { margin: 0; color: var(--muted); font-size: 15px; }

.milestones { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.milestones li { display: grid; gap: 10px; padding: 18px 16px; border-top: 3px solid var(--hit); background: var(--panel); font-size: 14px; color: var(--muted); }
.milestones b { font: 600 22px var(--display); color: var(--ink); }

.author { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px; padding: 72px 0; border-top: 1px solid var(--line); }
.author p { display: flex; gap: 24px; margin: 0; font-family: var(--mono); font-size: 14px; }

footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer .shell { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 24px 0; }
footer a { color: var(--muted); }

@media (max-width: 900px) {
  .hero, .split { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .grid3, .cli { grid-template-columns: 1fr; }
  .milestones { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { grid-template-columns: 1fr; gap: 8px; }
  .nav { display: none; }
}