/* Ashlar Imaging. Tokens per TOKEN-PLAN.md.
   Radius lock: 0 everywhere (no exceptions).
   Measured contrast: --silver on --stone is 3.9:1, so silver is used for hairlines only, never text.
   --phosphor text appears only on --ink (6.3:1); --ink text on --phosphor fills (6.3:1). */

:root {
  --stone: #E6E8EC;
  --ink: #0C1219;
  --phosphor: #1FA7A0;
  --silver: #6B7380;
  --film: #D0D4DA;
  --maxw: 72rem;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --font-display: "Syne", "Avenir Next", system-ui, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--stone);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--font-body);
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.1875rem; font-weight: 700; line-height: 1.25; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
dl, dt, dd { margin: 0; }

a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.lightbox :focus-visible { outline-color: var(--phosphor); }

::selection { background: var(--phosphor); color: var(--ink); }

.shell { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

section { scroll-margin-top: 5rem; }

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 20;
  background: var(--ink);
  color: var(--stone);
  padding: .7rem 1rem;
  text-decoration: none;
}
.skip:focus { left: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .9rem 1.4rem;
  border: 1px solid transparent;
  font: 600 1rem/1 var(--font-body);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary { background: var(--phosphor); color: var(--ink); }
.btn--primary:hover { filter: brightness(.92); }
.btn--ghost { border-color: var(--ink); color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--stone); }
.btn--ghost-dark { border-color: var(--stone); color: var(--stone); }
.btn--ghost-dark:hover { background: var(--stone); color: var(--ink); }
.btn:active { transform: translateY(1px); }

.site-head {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--stone);
  border-bottom: 1px solid var(--silver);
}
.nav-shell {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
  min-height: 4rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  font: 800 1.25rem/1 var(--font-display);
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
}
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 1.5rem; }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a {
  font: 600 .9375rem/1 var(--font-body);
  text-decoration: none;
  padding: .4rem 0;
}
.nav-links a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 7px;
}

.nav-menu { display: none; }

.hero { padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2.5rem, 5vw, 4rem); }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
}
.hero-sub { margin-top: 1.25rem; font-size: 1.1875rem; max-width: 44ch; }
.hero-cta { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: .75rem; }

.strip-sec { padding-bottom: clamp(3.5rem, 8vw, 6rem); }
.film { background: var(--ink); padding: .8rem 0 1rem; }
.film-inner::before,
.film-inner::after {
  content: "";
  display: block;
  height: 9px;
  background: repeating-linear-gradient(90deg, var(--stone) 0 11px, transparent 11px 28px);
}
.film-inner::before { margin-bottom: .8rem; }
.film-inner::after { margin-top: .8rem; }
.film-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.frame {
  background: var(--stone);
  color: var(--ink);
  padding: 1.1rem 1.15rem 1.25rem;
  min-height: 9.5rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.frame-code { font: 500 1rem/1 var(--font-mono); letter-spacing: .14em; }
.frame-name { font: 700 1.05rem/1.3 var(--font-display); margin-top: .1rem; }
.frame-meta { font: 400 .8125rem/1.5 var(--font-mono); margin-top: auto; }
.frame.is-active {
  background: var(--ink);
  color: var(--stone);
  box-shadow: inset 0 0 0 2px var(--phosphor);
}
.frame.is-active .frame-code { color: var(--phosphor); }
.frame-tag {
  font: 500 .6875rem/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  background: var(--phosphor);
  color: var(--ink);
  align-self: flex-start;
  padding: .3rem .45rem;
  margin-bottom: .35rem;
}

.prep, .referrers, .visit { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section-sub { margin-top: .9rem; max-width: 52ch; }

.prep-grid { margin-top: 2.25rem; display: grid; gap: 1.25rem; }
.prep-card { background: var(--film); padding: 1.5rem 1.5rem 1.65rem; }
.prep-card h3 { margin-top: .9rem; }
.prep-card ul { margin-top: .8rem; display: grid; gap: .55rem; }
.prep-card li { position: relative; padding-left: 1.05rem; }
.prep-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .5rem;
  height: 2px;
  background: var(--ink);
}
.prep-card--dark { background: var(--ink); color: var(--stone); }
.prep-card--dark li::before { background: var(--phosphor); }
.prep-lead { font: 700 1.35rem/1.3 var(--font-display); margin: .8rem 0 .1rem; }

.chip {
  display: inline-block;
  font: 500 .75rem/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--stone);
  padding: .4rem .55rem;
}
.chip--dark { background: transparent; color: var(--phosphor); border: 1px solid var(--phosphor); }

.ref-grid { display: grid; gap: 2.5rem; }
.ref-copy p { margin-top: 1rem; max-width: 46ch; }
.ref-copy .btn { margin-top: 1.5rem; }
.ref-mail { margin-top: .8rem; font: 400 .875rem/1.5 var(--font-mono); }
.ref-list h3 { font-size: 1.05rem; }
.ref-list ul { margin-top: 1.1rem; }
.ref-list li {
  padding: .85rem 0;
  border-bottom: 1px solid var(--silver);
  font-weight: 600;
}
.ref-list li:last-child { border-bottom: 0; }

.visit-grid { margin-top: 2.25rem; display: grid; gap: 2rem; }
.visit-col h3 { font-size: 1.05rem; margin-bottom: .8rem; }
.visit-col p + p { margin-top: .7rem; }
.hours div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--silver);
}
.hours div:last-child { border-bottom: 0; }
.hours dt, .hours dd { font: 500 .8125rem/1.6 var(--font-mono); letter-spacing: .04em; }

.contact { padding-bottom: clamp(3.5rem, 8vw, 6rem); }
.lightbox {
  background: var(--ink);
  color: var(--stone);
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 4vw, 3rem);
}
.lightbox p { margin-top: 1rem; max-width: 52ch; }
.contact-actions { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: .75rem; }
.contact-tel {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--silver);
  display: grid;
  gap: .35rem;
  justify-items: start;
}
.tel-label {
  font: 500 .75rem/1 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--phosphor);
}
.contact-tel a {
  font: 500 clamp(1.5rem, 3.5vw, 2.25rem)/1.2 var(--font-mono);
  text-decoration: none;
}
.contact-tel a:hover {
  text-decoration: underline;
  text-decoration-color: var(--phosphor);
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
}
.tel-note { font: 400 .875rem/1.6 var(--font-body); }

.site-foot { border-top: 1px solid var(--silver); padding: 2rem 0 2.5rem; }
.foot-grid { display: flex; flex-wrap: wrap; align-items: baseline; gap: 1rem 2rem; }
.brand--foot { font-size: 1.05rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.foot-links a { font: 600 .875rem/1.6 var(--font-body); text-decoration: none; }
.foot-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.foot-note { font-size: .875rem; }

@media (min-width: 901px) {
  .prep-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .prep-card:nth-child(even) { margin-top: 3rem; }
  .ref-grid { grid-template-columns: 1.1fr 1fr; gap: 4rem; align-items: start; }
  .visit-grid { grid-template-columns: 1.15fr 1fr 1fr; gap: 2.5rem; }
  .visit-col { border-left: 1px solid var(--silver); padding-left: 1.5rem; }
  .foot-note { margin-left: auto; }
}

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .nav-menu { display: block; }
  .nav-menu summary {
    list-style: none;
    cursor: pointer;
    font: 600 .9375rem/1 var(--font-body);
    border: 1px solid var(--ink);
    padding: .55rem .9rem;
  }
  .nav-menu summary::-webkit-details-marker { display: none; }
  .nav-menu[open] summary { background: var(--ink); color: var(--stone); }
  .nav-sheet {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--stone);
    border-bottom: 1px solid var(--silver);
    padding: 1rem var(--pad) 1.5rem;
    display: grid;
    gap: 1.25rem;
  }
  .nav-sheet ul { display: grid; gap: .25rem; }
  .nav-sheet ul a {
    display: inline-block;
    padding: .5rem 0;
    font: 600 1.05rem/1.2 var(--font-body);
    text-decoration: none;
  }
  .nav-sheet .btn { justify-self: start; }
  .film-track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .frame { min-width: 0; }
  .frame-meta { margin-top: auto; }
  .ref-mail { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}