/* ==========================================================================
   DM Tools — a deliberately separate look from the rest of invigoro.me:
   parchment, ink, and a little gold leaf. Nothing here is shared with
   site.css, so this page can drift without dragging the portfolio along.
   ========================================================================== */

:root {
  --parchment: #ece0c8;
  --parchment-deep: #ddcdac;
  --card: #f6eeda;
  --ink: #2e2419;
  --ink-soft: #5b4a36;
  --ink-faint: #897357;
  --rule: #c3ae87;

  --gold: #a5813c;
  --oxblood: #6d2b25;
  --forest: #33472f;

  --serif: 'EB Garamond', Georgia, 'Times New Roman', serif;
  --display: 'Cinzel', 'EB Garamond', Georgia, serif;

  --wrap: 68rem;
  --gutter: 1.25rem;

  color-scheme: light;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  line-height: 1.6;
  /* Parchment: a warm base, uneven lighting from the corners, and a faint
     speckle so large areas do not read as flat colour. */
  background-color: var(--parchment);
  background-image:
    radial-gradient(60rem 40rem at 12% -5%, rgb(255 250 235 / 0.75), transparent 60%),
    radial-gradient(50rem 35rem at 95% 8%, rgb(214 190 150 / 0.55), transparent 60%),
    radial-gradient(70rem 50rem at 50% 110%, rgb(176 150 110 / 0.45), transparent 65%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='0.16'/%3E%3C/svg%3E");
  background-attachment: fixed, fixed, fixed, scroll;
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.4em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.4rem, 1.6rem + 3.4vw, 4rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
h2 { font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem); letter-spacing: 0.04em; }
h3 { font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem); letter-spacing: 0.03em; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--oxblood); text-underline-offset: 0.16em; }
a:hover { color: var(--forest); }

img { max-width: 100%; height: auto; display: block; }

:focus-visible {
  outline: 3px solid var(--oxblood);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--parchment);
  border-radius: 0 0 6px 6px;
  font-family: var(--display);
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

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

/* -------------------------------------------------------------- header ---- */

.masthead {
  text-align: center;
  padding-block: clamp(3rem, 8vw, 5.5rem) clamp(1.5rem, 4vw, 2.5rem);
}

.masthead h1 { margin-bottom: 0.15em; }

.masthead__sub {
  font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
  font-style: italic;
  color: var(--ink-soft);
  max-width: 34rem;
  margin-inline: auto;
}

/* A gold rule with a diamond in the middle. */
.rule {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 1.6rem auto 0;
  max-width: 22rem;
  color: var(--gold);
}
.rule::before,
.rule::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}
.rule span { font-size: 0.9rem; letter-spacing: 0.3em; }

/* --------------------------------------------------------------- shelf ---- */

.shelf { padding-block: clamp(1.5rem, 4vw, 2.75rem); }

.shelf__head { margin-bottom: 1.75rem; }
.shelf__head h2 { margin-bottom: 0.2em; color: var(--ink); }
.shelf__note {
  color: var(--ink-soft);
  font-style: italic;
  max-width: 42rem;
}

.tools {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  /* auto-fill, not auto-fit: a shelf with one tool keeps a card-sized card. */
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 23rem), 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}
.tools li { margin: 0; }

.tool {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  box-shadow: 0 1px 1px rgb(46 36 25 / 0.12), 0 14px 28px -20px rgb(46 36 25 / 0.75);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.tool:hover {
  transform: translateY(-3px);
  box-shadow: 0 1px 1px rgb(46 36 25 / 0.12), 0 20px 34px -18px rgb(46 36 25 / 0.75);
}

.tool__shot {
  aspect-ratio: 16 / 10;
  width: 100%;
  object-fit: cover;
  object-position: var(--focus, top left);
  border-bottom: 1px solid var(--rule);
  background: var(--parchment-deep);
}

.tool__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.4rem 1.5rem;
}

.tool__title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5em;
}
.tool__title h3 { margin: 0; }

.tool__tag {
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 0.2rem 0.45rem;
  white-space: nowrap;
}

.tool__body p { color: var(--ink-soft); }
.tool__body p:last-of-type { margin-bottom: 1.25rem; }

.tool__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--parchment);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: 0.55rem 1.2rem;
  border-radius: 2px;
}
.tool__link:hover {
  background: var(--oxblood);
  border-color: var(--oxblood);
  color: var(--parchment);
}
.tool__link .arrow { padding-left: 0.4em; }

/* -------------------------------------------------------------- footer ---- */

.footer {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-block: 2.5rem 3rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
  border-top: 1px solid var(--rule);
  background: rgb(221 205 172 / 0.35);
}
.footer__rule { color: var(--gold); font-size: 1.1rem; margin-bottom: 0.8em; }
.footer__small { color: var(--ink-faint); font-size: 0.85rem; margin-top: 0.4em; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}