/* Local AI Bootcamp — site styles */
:root {
  --paper: #F7F8FA;
  --white: #FFFFFF;
  --ink: #172033;
  --ink-soft: #4A5468;
  --marker: #1F4FD1;
  --marker-dark: #163BA3;
  --note: #FFD54A;
  --line: #D9DEE7;
  --display: "Archivo", "Arial Narrow", sans-serif;
  --body: "Public Sans", system-ui, sans-serif;
  --wrap: 1160px;
  --measure: 64ch;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--marker); }
a:hover { color: var(--marker-dark); }
:focus-visible { outline: 3px solid var(--marker); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--white); padding: 8px 12px; z-index: 10; }

/* Type */
h1, h2, h3 {
  font-family: var(--display);
  font-stretch: 125%;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.6rem, 6.4vw, 5.2rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.3rem; font-stretch: 112%; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: var(--measure); }
.lede { font-size: 1.25rem; line-height: 1.5; color: var(--ink-soft); }
.small { font-size: 0.9rem; color: var(--ink-soft); }

/* Header */
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.brand {
  font-family: var(--display); font-stretch: 125%; font-weight: 800;
  font-size: 1.15rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
}
.brand span { color: var(--marker); }
.nav { display: flex; gap: 26px; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 0.98rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--marker); }
.nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; font: inherit; color: var(--ink); }

/* Buttons */
.btn {
  display: inline-block; font-family: var(--body); font-weight: 700; font-size: 1rem;
  padding: 14px 22px; border-radius: 6px; text-decoration: none; border: 2px solid var(--marker);
  background: var(--marker); color: var(--white); cursor: pointer;
}
.btn:hover { background: var(--marker-dark); border-color: var(--marker-dark); color: var(--white); }
.btn.ghost { background: transparent; color: var(--marker); }
.btn.ghost:hover { background: var(--white); color: var(--marker-dark); }
.nav .btn { padding: 9px 16px; color: var(--white); }
.nav .btn:hover { color: var(--white); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Sections */
section { padding: 88px 0; }
section.tight { padding: 56px 0; }
section.white { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
section.ink { background: var(--ink); color: var(--paper); }
section.ink p { color: #C9D0DD; }
section.ink a { color: var(--note); }
.section-head { margin-bottom: 44px; }

/* Hero */
.hero { padding: 80px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; align-items: center; }
.hero h1 { max-width: 12ch; }
.hero .lede { max-width: 46ch; }

.room {
  position: relative; background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  padding: 28px 28px 24px;
  margin-bottom: 48px;
}
.room h2 { font-size: 1.15rem; font-stretch: 110%; margin-bottom: 14px; }
.room ul { list-style: none; margin: 0; padding: 0; }
.room li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.room li:first-child { border-top: 0; }
.room li strong { font-weight: 600; }
.room li span { color: var(--ink-soft); font-size: 0.95rem; text-align: right; }
.sticky {
  position: absolute; right: -22px; bottom: -64px; width: 190px;
  background: var(--note); color: var(--ink); padding: 18px 18px 20px;
  font-family: var(--display); font-stretch: 100%; font-weight: 700; font-size: 1.05rem; line-height: 1.25;
  transform: rotate(3deg); box-shadow: 0 10px 18px -10px rgba(23,32,51,.45);
}

/* Offer ladder */
.ladder { border-top: 2px solid var(--ink); }
.rung {
  display: grid; grid-template-columns: 1.1fr 1.6fr 150px; gap: 32px; align-items: start;
  padding: 32px 0; border-bottom: 1px solid var(--line);
}
.rung h3 { margin: 0 0 6px; }
.rung .for { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.rung p { margin: 0; }
.rung .price { font-family: var(--display); font-stretch: 112%; font-weight: 700; font-size: 1.15rem; white-space: nowrap; text-align: right; }
.rung .price small { display: block; font-family: var(--body); font-weight: 400; font-size: 0.85rem; color: var(--ink-soft); }
.rung.lead h3 { font-size: 1.7rem; font-stretch: 125%; font-weight: 800; }

/* Steps (true sequence) */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: step; }
.steps.four { grid-template-columns: repeat(4, 1fr); }
.step { counter-increment: step; }
.step::before {
  content: counter(step); display: block; font-family: var(--display); font-stretch: 125%; font-weight: 800;
  font-size: 3rem; line-height: 1; color: var(--marker); margin-bottom: 12px;
}

/* Two-column text */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { padding: 12px 0 12px 32px; border-top: 1px solid var(--line); position: relative; }
.checklist li::before {
  content: ""; position: absolute; left: 4px; top: 20px; width: 12px; height: 7px;
  border-left: 2.5px solid var(--marker); border-bottom: 2.5px solid var(--marker); transform: rotate(-45deg);
}
section.ink .checklist li { border-color: #33405A; }
section.ink .checklist li::before { border-color: var(--note); }

/* Packages */
.packages { display: grid; grid-template-columns: 1fr 1.2fr; gap: 0; border: 2px solid var(--ink); border-radius: 10px; overflow: hidden; background: var(--white); }
.package { padding: 36px; }
.package + .package { border-left: 2px solid var(--ink); }
.package.featured { background: var(--ink); color: var(--paper); }
.package.featured .checklist li { border-color: #33405A; }
.package.featured .checklist li::before { border-color: var(--note); }
.package .amount { font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: 2.6rem; line-height: 1; margin: 8px 0 4px; }
.package .unit { font-size: 0.95rem; opacity: .8; margin-bottom: 24px; }
.package .btn { margin-top: 24px; }
.package.featured .btn { background: var(--note); border-color: var(--note); color: var(--ink); }
.package.featured .btn:hover { background: #F2C731; border-color: #F2C731; }

/* FAQ */
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.08rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--display); font-size: 1.4rem; line-height: 1; color: var(--marker); }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; }

/* Forms */
form.signup { display: grid; gap: 16px; max-width: 560px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 600; font-size: 0.95rem; }
.field input, .field select, .field textarea {
  font: inherit; color: var(--ink); background: var(--white); border: 1.5px solid #B9C1CF; border-radius: 6px; padding: 12px 14px; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--marker); outline: 2px solid rgba(31,79,209,.25); outline-offset: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }
.form-status { font-weight: 600; margin: 0; }
section.ink .field label { color: var(--paper); }

/* Callout */
.callout { border-left: 6px solid var(--note); background: var(--white); padding: 24px 28px; border-radius: 0 8px 8px 0; }
.callout p:last-child { margin-bottom: 0; }

/* Footer */
.site-footer { background: var(--ink); color: #C9D0DD; padding: 56px 0 40px; font-size: 0.95rem; }
.site-footer .wrap { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.site-footer .brand { color: var(--paper); }
.site-footer .brand span { color: var(--note); }
.site-footer h3 { color: var(--paper); font-size: 1rem; font-stretch: 110%; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: #C9D0DD; text-decoration: none; }
.site-footer a:hover { color: var(--note); }
.site-footer .legal { grid-column: 1 / -1; max-width: none; border-top: 1px solid #33405A; padding-top: 24px; margin-top: 8px; font-size: 0.85rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .split, .packages { grid-template-columns: 1fr; }
  .package + .package { border-left: 0; border-top: 2px solid var(--ink); }
  .steps, .steps.four { grid-template-columns: 1fr; gap: 28px; }
  .rung { grid-template-columns: 1fr; gap: 10px; }
  .rung .price { text-align: left; }
  .sticky { position: relative; right: auto; bottom: auto; margin: -10px 0 0 auto; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .menu-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: flex-start; padding: 16px 24px 24px; border-bottom: 1px solid var(--line); z-index: 5; }
  .nav.open { display: flex; }
  .site-header { position: relative; }
  section { padding: 64px 0; }
  .field-row { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* v2 additions */
.shift li { display: block; }
.shift li span { display: block; text-align: left; font-size: 0.9rem; color: var(--ink-soft); }
.shift li strong { display: block; font-weight: 600; }
.rung.noprice { grid-template-columns: 1fr 2fr; }
.contrast { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.contrast > div { padding: 28px 28px 0 0; }
.contrast > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.contrast h3 { text-decoration: line-through; text-decoration-thickness: 3px; text-decoration-color: var(--marker); }
.pull { font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.04; letter-spacing: -0.02em; max-width: 18ch; margin: 0 0 28px; }
@media (max-width: 900px) {
  .rung.noprice { grid-template-columns: 1fr; }
  .contrast { grid-template-columns: 1fr; }
  .contrast > div, .contrast > div + div { padding: 24px 0 0; border-left: 0; }
}
.portrait { width: 100%; max-width: 360px; height: auto; border-radius: 10px; justify-self: end; box-shadow: 14px 14px 0 var(--note); }
@media (max-width: 900px) { .portrait { justify-self: start; max-width: 280px; } }