/* Appalachian Digital — public site (from the Campus Salon shell).
   SKIN: change only the :root block (tier 1 = the brand's palette and fonts). Components below use
   tier-2 names and never a raw color. See Shared_Knowledge/RESKIN.md. */

:root {
  /* Tier 1: primitives, the only place brand colors appear (Appalachian Digital: the logo's navy,
     mountain orange, pixel sky-blue and cream lettering) */
  --p-base-50: #02214f;      /* page: the logo's navy */
  --p-base-100: #062a5e;     /* alternate band */
  --p-base-200: #1b3f78;     /* lines */
  --p-base-900: #011636;     /* darkest band (footer) */
  --p-accent-500: #f7821f;   /* the brand color: mountain orange */
  --p-accent-600: #ff9a3d;   /* hover (lighter on dark) */
  --p-accent-100: #2a3560;   /* soft fill on navy */
  --p-alt-500: #6db8f7;      /* pixel sky-blue: small accents */
  --p-ink-900: #f7f2e8;      /* cream lettering */
  --p-ink-600: #b3c0d9;
  --p-white: #ffffff;
  --p-card: #0a3170;         /* raised cards */
  --p-on-accent: #02214f;    /* text on orange: navy reads 7:1, white would fail */
  --p-shade: 0 8 24;         /* shadow color as R G B */

  /* Tier 2: semantic, what components use */
  --bg-primary: var(--p-base-50);
  --bg-secondary: var(--p-base-100);
  --bg-elevated: var(--p-card);
  --bg-inverse: var(--p-base-900);
  --text-primary: var(--p-ink-900);
  --text-muted: var(--p-ink-600);
  --text-inverse: var(--p-ink-900);
  --text-on-accent: var(--p-on-accent);
  --accent: var(--p-accent-500);
  --accent-strong: var(--p-accent-600);
  --accent-soft: var(--p-accent-100);
  --alt: var(--p-alt-500);
  --border: var(--p-base-200);
  --shadow: 0 1px 2px rgb(var(--p-shade) / 0.3), 0 12px 32px rgb(var(--p-shade) / 0.35);
  --overlay: linear-gradient(90deg, rgb(var(--p-shade) / 0.72), rgb(var(--p-shade) / 0.25));
  --success: #4ccf8a;
  --danger: #ff8f7a;

  --font-display: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --gap: 20px;
  --ease-silk: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
}

/* ---------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font: 400 17px/1.6 var(--font-body);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 800; line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 7vw, 4.4rem); }
h2 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); }
h3 { font-size: 1.35rem; }
p { margin: 0 0 12px; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.muted { color: var(--text-muted); }
.empty { color: var(--text-muted); text-align: center; padding: 40px 16px; border: 1px dashed var(--border); border-radius: var(--radius); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--bg-elevated); padding: 8px 14px; border-radius: var(--radius-sm); z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--text-on-accent);
  border: 1px solid var(--accent); border-radius: 999px;
  padding: 10px 20px; min-height: 44px;
  font: 500 1rem/1 var(--font-body); letter-spacing: 0.02em; text-decoration: none; cursor: pointer;
  transition: background 0.2s var(--ease-silk), transform 0.2s var(--ease-silk);
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--text-on-accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn.big { padding: 14px 28px; min-height: 52px; font-size: 1.05rem; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); color: var(--accent-strong); }
.btn.light { background: var(--bg-elevated); color: var(--accent); border-color: var(--bg-elevated); }
.btn.light:hover { background: var(--accent-soft); color: var(--accent-strong); }
.btn-link { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* ---------- header */
.site-head { background: var(--bg-primary); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20; }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text-primary); text-decoration: none; font: 600 1.6rem/1 var(--font-display); }
.brand img { height: 44px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 18px; }
.site-nav a:not(.btn) { color: var(--text-primary); text-decoration: none; font-weight: 500; }
.site-nav a:not(.btn):hover { color: var(--accent); }
@media (max-width: 640px) {
  .nav-call { display: none; }
  .site-nav { gap: 12px; }
  .site-nav .btn { padding: 8px 16px; min-height: 40px; }
  .brand { font-size: 1.35rem; }
}

/* ---------- announcements */
.announcements { background: var(--accent-soft); border-bottom: 1px solid var(--border); padding: 12px 0; }
.announcement + .announcement { margin-top: 8px; }
.announcement p { margin: 2px 0 0; color: var(--text-muted); }

/* ---------- hero */
.hero { position: relative; padding: clamp(64px, 12vw, 140px) 0; background: radial-gradient(ellipse at 80% 20%, var(--accent-soft), transparent 60%), var(--bg-secondary); overflow: hidden; }
.hero h1 { max-width: 14ch; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.8rem; font-weight: 500; color: var(--accent); margin-bottom: 14px; }
.lead { font-size: 1.2rem; color: var(--text-muted); max-width: 40ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }

/* ---------- blocks */
.block { padding: clamp(48px, 8vw, 88px) 0; }
.block.alt { background: var(--bg-secondary); }
.more { font-weight: 500; text-decoration: none; }

/* ---------- sideways strips (the homepage's tools) */
.carousel-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: min(78%, 360px); gap: 16px;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; overscroll-behavior-x: contain;
  padding-bottom: 6px; scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.round {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text-primary); font-size: 1.2rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
}
.round:hover { border-color: var(--accent); color: var(--accent); }
@media (prefers-reduced-motion: reduce) { .carousel-track { scroll-behavior: auto; } }

/* ---------- picking a call time, forms */
.step { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(18px, 4vw, 28px); box-shadow: var(--shadow); }
.step + .step { margin-top: 18px; }
.step h2 { font-size: 1.7rem; display: flex; align-items: baseline; gap: 10px; }
.days { display: grid; grid-auto-flow: column; grid-auto-columns: 74px; gap: 8px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x proximity; }
.day {
  scroll-snap-align: start; border: 1px solid var(--border); background: var(--bg-primary); border-radius: var(--radius-sm);
  padding: 10px 4px; text-align: center; cursor: pointer; font: inherit; color: inherit; min-height: 74px;
}
.day .d-wk { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
.day .d-n { display: block; font: 600 1.5rem/1.2 var(--font-display); }
.day .d-mo { display: block; font-size: 0.75rem; color: var(--text-muted); }
.day:disabled { opacity: 0.35; cursor: default; text-decoration: line-through; }
.day[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--text-on-accent); }
.day[aria-pressed="true"] .d-wk, .day[aria-pressed="true"] .d-mo { color: var(--text-on-accent); }
.times { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; margin-top: 16px; }
.time { border: 1px solid var(--border); background: var(--bg-primary); border-radius: 999px; padding: 10px 6px; font: 500 0.95rem var(--font-body); color: inherit; cursor: pointer; min-height: 44px; }
.time:hover { border-color: var(--accent); }
.time[aria-pressed="true"] { background: var(--accent); color: var(--text-on-accent); border-color: var(--accent); }
.field { margin-top: 14px; }
.field label { display: block; font-weight: 500; margin-bottom: 6px; }
.field .hint { font-weight: 400; color: var(--text-muted); font-size: 0.9rem; }
input, textarea, select {
  width: 100%; font: inherit; color: var(--text-primary); background: var(--bg-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; min-height: 48px;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
.row2 { display: grid; gap: 0 14px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .row2 { grid-template-columns: 1fr 1fr; } }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-error { color: var(--danger); margin-top: 12px; min-height: 1.4em; }
.summary { position: sticky; top: 88px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.summary h3 { margin-bottom: 14px; }
.summary dl { margin: 0; display: grid; gap: 10px; }
.summary dt { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.summary dd { margin: 0; font-weight: 500; }
.note { background: var(--bg-secondary); border-radius: var(--radius-sm); padding: 12px 14px; color: var(--text-muted); font-size: 0.95rem; margin-top: 14px; }
.done { text-align: center; padding: clamp(28px, 6vw, 48px); }
.done .tick { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 2rem; margin: 0 auto 16px; }

/* ---------- appointment page (/b/<code>) */
.appt { max-width: 560px; margin: 0 auto; }
.status-pill { display: inline-block; border-radius: 999px; padding: 4px 12px; font-size: 0.85rem; font-weight: 500; background: var(--bg-secondary); color: var(--text-muted); }
.status-pill.confirmed { background: var(--accent-soft); color: var(--accent-strong); }
.status-pill.cancelled, .status-pill.declined, .status-pill.expired { color: var(--danger); }
.appt-when { font: 600 1.9rem/1.2 var(--font-display); margin: 14px 0 4px; }
.appt-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ---------- prose pages, 404 */
.panel { padding: clamp(40px, 7vw, 72px) 0; }
.prose { max-width: 70ch; }
.prose h2 { font-size: 1.6rem; margin-top: 28px; }
.lost { text-align: center; }
.lost .ctas { justify-content: center; }

/* ---------- footer */
.site-foot { background: var(--bg-inverse); color: var(--text-inverse); margin-top: 0; }
.site-foot a { color: var(--text-inverse); }
.foot-cta { background: var(--accent); color: var(--text-on-accent); padding: 40px 0; }
.foot-cta .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.foot-cta h2 { margin: 0; color: var(--text-on-accent); }
.foot-grid { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); padding: 48px 0 28px; }
.foot-col h3 { font-family: var(--font-body); font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.16em; opacity: 0.75; margin-bottom: 12px; }
.foot-col p { opacity: 0.9; }
.site-foot .brand { color: var(--text-inverse); margin-bottom: 10px; }
.foot-social { display: flex; gap: 16px; flex-wrap: wrap; }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 18px 0 28px; border-top: 1px solid rgb(255 255 255 / 0.12); font-size: 0.9rem; opacity: 0.8; }
.appt-money p { margin: 4px 0; font-weight: 500; }

/* phone header: the menu has several links now, so the brand and Book sit on top and the links scroll sideways */
@media (max-width: 640px) {
  .site-head .wrap { flex-wrap: wrap; row-gap: 6px; padding-block: 10px; }
  .site-nav { order: 2; width: 100%; overflow-x: auto; scrollbar-width: none; gap: 16px; padding-bottom: 4px; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { white-space: nowrap; }
  .site-nav .btn { position: absolute; top: 12px; right: 16px; }
  .site-head { position: sticky; }
  .site-head .wrap { position: relative; }
  .brand { max-width: calc(100% - 120px); min-height: 44px; }
  .site-nav .btn { top: 10px; }
}
.carousel-track { max-width: 100%; min-width: 0; }