/* Mason & Muse, LLC - shared design system
   No build step. Plain CSS, served as-is via GitHub Pages. */

:root {
  --bg-top: #faf8f4;
  --bg-bottom: #efe9df;
  --ink: #25201b;
  --muted: #8a7f72;
  --rule: #c2a878;
  --accent: #9c7a3c;
  --card: #fffdf9;
  --card-border: #e7ddcb;
  --shadow: 0 1px 2px rgba(37, 32, 27, 0.04), 0 12px 32px rgba(37, 32, 27, 0.07);

  --serif: "Palatino Linotype", Palatino, "Hoefler Text", Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --maxw: 1080px;
  --gutter: clamp(1.25rem, 5vw, 3rem);
}

/* Dark palette - applied when the system prefers dark (unless the visitor has
   forced light), and when the visitor explicitly chooses dark. The two blocks
   share the same values; keep them in sync. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-top: #1f1c18;
    --bg-bottom: #14110e;
    --ink: #f3ece1;
    --muted: #a99a87;
    --rule: #7a6647;
    --accent: #c9a865;
    --card: #211d18;
    --card-border: #322b22;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 14px 36px rgba(0, 0, 0, 0.4);
  }
}
:root[data-theme="dark"] {
  --bg-top: #1f1c18;
  --bg-bottom: #14110e;
  --ink: #f3ece1;
  --muted: #a99a87;
  --rule: #7a6647;
  --accent: #c9a865;
  --card: #211d18;
  --card-border: #322b22;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 14px 36px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }

body {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(160deg, var(--bg-top), var(--bg-bottom)) no-repeat;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

/* ---- Header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  background: color-mix(in srgb, var(--bg-top) 82%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--rule) 35%, transparent);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}
.brand {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links li { display: flex; align-items: center; }
.nav-links a {
  position: relative;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
}
/* Active-page underline drawn as an overlay so it reserves no layout space,
   keeping each link's box symmetric (so the nav items center cleanly). */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after { opacity: 1; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  background: none;
  border: 0;
  line-height: 0;
  color: var(--muted);
  cursor: pointer;
  border-radius: 50%;
  transition: color 0.2s ease, transform 0.2s ease;
}
.theme-toggle:hover { color: var(--ink); transform: rotate(180deg); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.theme-toggle svg { display: block; }

/* On narrow screens, stack the wordmark above a centered row of links so the
   full nav (including the theme toggle) stays on screen. */
@media (max-width: 600px) {
  .nav { flex-direction: column; gap: 0.75rem; }
  .nav-links { flex-wrap: wrap; justify-content: center; }
}

/* ---- Main / sections ---- */
main { flex: 1; }
section { padding-block: clamp(2rem, 4.5vw, 2.75rem); }
.section-tight { padding-block: clamp(2rem, 4.5vw, 2.75rem); }
/* A short gold rule between every pair of stacked sections - the same motif as
   the page accents. Drawn as an overlay at the section boundary so it adds no
   layout shift. Left-aligned to the content column to match the heading rules. */
section + section { position: relative; }
section + section::before {
  content: "";
  position: absolute;
  top: 0;
  left: max(var(--gutter), (100% - var(--maxw)) / 2 + var(--gutter));
  width: clamp(48px, 14vw, 240px);
  height: 1px;
  background: var(--rule);
}
/* The one exception: the divider just below the hero buttons stays centered. */
.hero + section::before {
  left: 50%;
  transform: translateX(-50%);
}

/* hgroup wraps each eyebrow/kicker together with its heading; it carries no
   spacing of its own - the eyebrow and heading margins do the work. */
hgroup { margin: 0; }

/* The eyebrow/kicker style is self-contained (sets its own font + weight) so it
   looks identical whether it's a <p> tagline inside an hgroup or a real heading
   (e.g. an <h2>) that happens to be styled as a kicker. */
.eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.1; }
h1 { font-size: clamp(2.4rem, 7vw, 4.4rem); letter-spacing: 0.01em; margin: 0; }
h2 { font-size: clamp(1.8rem, 4.5vw, 2.7rem); margin: 0 0 1rem; }
h3 { font-size: 1.3rem; margin: 0 0 0.5rem; }

p { margin: 0 0 1.1rem; }
.lead { font-size: clamp(1.15rem, 2.6vw, 1.4rem); color: var(--ink); }
.muted { color: var(--muted); }
.measure { max-width: 60ch; }

/* ---- Hero ---- */
.hero {
  text-align: center;
  padding-block: clamp(3rem, 6.75vw, 4.125rem) clamp(2rem, 4.5vw, 2.75rem);
  animation: rise 1s cubic-bezier(.2, .7, .2, 1) both;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1.04;
  font-size: clamp(2.8rem, 10vw, 6rem);
  margin: 0;
}
.amp { font-style: italic; font-weight: 400; color: var(--accent); padding: 0 0.04em; }
/* The "LLC" sits under the wordmark as part of the company name — small, gold,
   and letter-spaced, echoing the original placeholder. */
.legal {
  display: block;
  margin-top: 0.7rem;
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(0.7rem, 2.4vw, 0.82rem);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--accent);
  padding-left: 0.34em; /* optical centering for the trailing letter-spacing */
}
.hero .lead { margin: 1.6rem auto 0; max-width: 34ch; color: var(--muted); font-style: italic; }

/* ---- Decorative rule ---- */
.rule {
  width: clamp(48px, 14vw, 240px);
  height: 1px;
  margin: 1.7rem 0;
  background: var(--rule);
  border: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--sans);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.7em 1.4em;
  border-radius: 999px;
  border: 1px solid var(--accent);
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary { background: var(--accent); color: #fffdf9; }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { color: var(--ink); }
.btn-ghost:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.hero .btn-row { justify-content: center; margin-top: 2rem; }

/* ---- Grid of cards ---- */
.grid {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: clamp(1.4rem, 3vw, 2rem);
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

/* Four-card "values" grid: stack on phones, 2×2 on tablets, 3-up on desktop.
   When it's 3-up the 4th card wraps to its own row - place it in the middle
   column so the lone card is centered rather than stranded on the left. */
.grid-4 { grid-template-columns: 1fr; }
@media (min-width: 600px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 > :last-child { grid-column: 2; }
}

/* ---- Feature / split layout ---- */
.split {
  display: grid;
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
  grid-template-columns: 1fr 1fr;
}
/* Top-align the columns instead of centering them (for text-only splits whose
   two sides differ in length). */
.split-top { align-items: start; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

/* Home intro: the portrait sits beside the heading + body on wide screens; when
   it collapses, the order becomes heading -> portrait -> body. The heading and
   body are separate grid items so the photo can slot between them on mobile. */
.intro-split {
  display: grid;
  align-items: center;
  column-gap: clamp(2rem, 6vw, 4rem);
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "head  media"
    "body  media";
}
.intro-head  { grid-area: head; }
.intro-body  { grid-area: body; }
.intro-media { grid-area: media; }
@media (max-width: 760px) {
  .intro-split {
    grid-template-columns: 1fr;
    row-gap: 0;
    grid-template-areas:
      "head"
      "media"
      "body";
  }
  /* Stacked: let the image sit close under the text above it (just the text's
     own margin), but keep comfortable breathing room below it. */
  .intro-media { margin-bottom: clamp(1.5rem, 5vw, 2rem); }
}

/* ---- App showcase ---- */
.app-shot {
  width: 100%;
  max-width: 480px;
  height: auto;
  margin-inline: auto;
  display: block;
}
.portrait {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  display: block;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(37, 32, 27, 0.12), 0 18px 40px rgba(37, 32, 27, 0.16);
}
@media (prefers-color-scheme: dark) {
  .portrait { box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4), 0 18px 44px rgba(0, 0, 0, 0.5); }
}

.app-shot-placeholder {
  aspect-ratio: 9 / 16;
  max-width: 300px;
  margin-inline: auto;
  border-radius: 28px;
  border: 1px dashed var(--rule);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1.5rem;
}
.badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-radius: 999px;
  padding: 0.25em 0.8em;
  margin-bottom: 1rem;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.6rem;
}

/* ---- Definition list (contact) ---- */
.detail-list { margin: 0; }
.detail-list dt {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.detail-list dd { margin: 0 0 1.6rem; font-size: 1.1rem; }
.detail-list a { text-decoration-color: var(--rule); text-underline-offset: 3px; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--rule) 35%, transparent);
  color: var(--muted);
  font-size: 0.85rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-block: 2rem;
}
.footer-inner a { color: var(--muted); text-decoration: none; }
.footer-inner a:hover { color: var(--ink); }
.footer-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }

/* ---- Motion ---- */
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero { animation: none; }
}