/* =========================================================================
   2026 Reformed Forum Theology Conference — The Covenant of Grace
   Design language congruent with the Reformed Forum brand (Foreknown):
   crimson + charcoal + warm bone; Fraunces (display serif) + Hanken
   Grotesk (sans) + IBM Plex Mono (labels). Fonts loaded in <head>.
   A darker, cinematic register than the Summit site — fitting the theme.
   ========================================================================= */

/* ---- Design tokens ------------------------------------------------------ */
:root {
  --vermilion:      #A8353A;  /* signature accent (RF crimson) — the action color */
  --vermilion-deep: #8D2A2F;  /* hover / pressed */
  --vermilion-soft: #C25A5E;  /* lighter accent on dark surfaces */

  /* Cool, cinematic dark surfaces — drawn from the conference key art:
     a slate/teal-charcoal that moves from near-black into a luminous light. */
  --slate-deep:     #12171A;  /* darkest, the art's far-left shadow */
  --slate:          #1B252A;  /* primary dark surface */
  --slate-2:        #26333A;  /* elevated slate */
  --slate-soft:     #3A4A52;  /* raised hairline-ish slate */
  --silver:         #D8DCD6;  /* light inscriptional text on slate */
  --silver-soft:    #99A39E;  /* secondary text on slate */
  --light-warm:     #E7E1D2;  /* the warm break of light in the art */

  --charcoal:       #19211F;  /* dark surfaces (cooled toward slate) */
  --charcoal-2:     #232C2B;  /* elevated dark */
  --charcoal-3:     #2C3633;  /* hairline-ish raised dark */
  --bone:           #FAF9F4;  /* page background, cool fresh cream */
  --bone-deep:      #EEEDE6;  /* alternating sections (cooler soft cream) */
  --bone-bright:    #FEFDF9;  /* lightest, near-white */
  --sage:           #8E938B;  /* tertiary, used sparingly */

  --ink:        #1A1A18;      /* text on light */
  --ink-soft:   #56524A;      /* secondary text on light */
  --on-dark:        #EDEEE9;  /* text on slate/crimson */
  --on-dark-soft:   #A9B0AC;  /* secondary text on dark */

  --hairline:       rgba(26, 26, 24, 0.13);
  --hairline-dark:  rgba(237, 238, 233, 0.16);

  /* Vertical "fluted column" striation + a diagonal shaft of light, echoing
     the draped, light-catching texture of the key art. Layer over a slate bg. */
  --flutes: repeating-linear-gradient(90deg,
              rgba(0,0,0,0.22) 0 2px, rgba(255,255,255,0.018) 2px 7px,
              rgba(0,0,0,0.14) 7px 9px, rgba(255,255,255,0.04) 9px 16px);
  --lightshaft: linear-gradient(108deg,
              rgba(0,0,0,0) 38%, rgba(231,225,210,0.10) 60%,
              rgba(231,225,210,0.16) 70%, rgba(0,0,0,0) 86%);

  /* Fonts */
  --font-display:     "Fraunces", Georgia, "Times New Roman", serif;
  --font-inscription: "Cinzel", "Trajan Pro", Georgia, serif; /* Trajan-style caps */
  --font-sans:        "Hanken Grotesk", -apple-system, BlinkMacSystemFont,
                      "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono:        "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Spark motif (four-point star) as data-URI, in tints */
  --spark-vermilion: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 0C12.6 7 17 11.4 24 12C17 12.6 12.6 17 12 24C11.4 17 7 12.6 0 12C7 11.4 11.4 7 12 0Z' fill='%23A8353A'/%3E%3C/svg%3E");
  --spark-soft: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 0C12.6 7 17 11.4 24 12C17 12.6 12.6 17 12 24C11.4 17 7 12.6 0 12C7 11.4 11.4 7 12 0Z' fill='%23C25A5E'/%3E%3C/svg%3E");
  --spark-bone: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 0C12.6 7 17 11.4 24 12C17 12.6 12.6 17 12 24C11.4 17 7 12.6 0 12C7 11.4 11.4 7 12 0Z' fill='%23F1EFE9'/%3E%3C/svg%3E");

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --nav-h: 72px;
}

/* ---- Reset / base ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.08rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variant-ligatures: common-ligatures contextual;
  font-kerning: normal;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* Visually hidden, but available to screen readers / SEO */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

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

/* Reusable label / eyebrow (monospace, the brand's signature) */
.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-mono); font-weight: 500;
  font-size: .74rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--vermilion-deep); margin: 0 0 1.25rem;
}
.eyebrow::before {
  content: ""; width: .62em; height: .62em; flex: none;
  background: var(--spark-vermilion) center/contain no-repeat;
}
.eyebrow--on-dark { color: var(--vermilion-soft); }
.eyebrow--on-dark::before { background: var(--spark-soft) center/contain no-repeat; }
.eyebrow--center { justify-content: center; }

/* Spark separator (inline) */
.sep {
  display: inline-block; width: .55em; height: .55em; vertical-align: middle;
  background: var(--spark-vermilion) center/contain no-repeat;
}

/* Skip link */
.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--charcoal); color: var(--bone);
  padding: .6rem 1rem; border-radius: 3px; z-index: 200;
  font-family: var(--font-mono); font-size: .8rem;
  transition: top .2s ease;
}
.skip-link:focus { top: 1rem; }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--font-sans); font-weight: 600;
  font-size: .92rem; letter-spacing: .01em;
  padding: .85rem 1.7rem; border-radius: 2px;
  text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .08s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--vermilion); color: #fff; }
.btn--primary:hover { background: var(--vermilion-deep); }
.btn--ghost {
  background: transparent; color: var(--ink); border-color: var(--hairline);
}
.btn--ghost:hover { border-color: var(--ink); }
.btn--ghost.btn--on-dark { color: var(--on-dark); border-color: var(--hairline-dark); }
.btn--ghost.btn--on-dark:hover { border-color: var(--on-dark); background: rgba(255,255,255,.04); }
.btn--bone { background: var(--bone-bright); color: var(--charcoal); }
.btn--bone:hover { background: #fff; }
.btn--sm { padding: .6rem 1.2rem; font-size: .82rem; }
.nav .btn--primary { padding: .58rem 1.3rem; font-size: .85rem; }
.nav__links a.btn--primary,
.nav__links a.btn--primary:hover { color: #fff; }
.nav__links a.btn--primary::after { display: none; }

/* ---- Sticky nav --------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  display: flex; align-items: center;
  background: color-mix(in srgb, var(--bone) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.nav.is-scrolled { border-bottom-color: var(--hairline); }
.nav__inner {
  width: 100%; max-width: var(--container); margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.nav__brand {
  display: inline-flex; align-items: center; gap: .7rem;
  text-decoration: none; color: var(--ink); white-space: nowrap;
}
.nav__logo { height: 30px; width: auto; display: block; }
.nav__brand span {
  font-family: var(--font-mono); font-weight: 500; font-size: .72rem;
  letter-spacing: .05em; color: var(--vermilion-deep);
  border: 1px solid color-mix(in srgb, var(--vermilion) 40%, transparent);
  padding: .15em .5em; border-radius: 2px; white-space: nowrap;
}
@media (max-width: 560px) { .nav__logo { height: 26px; } .nav__brand span { display: none; } }
.nav__links {
  display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.2rem);
  list-style: none; margin: 0; padding: 0;
}
.nav__links a {
  font-family: var(--font-mono); font-weight: 500;
  font-size: .76rem; letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; color: var(--ink-soft);
  padding: .4rem 0; position: relative; transition: color .2s ease;
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1.5px; background: var(--vermilion); transform: scaleX(0);
  transform-origin: left; transition: transform .25s ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }

/* ---- HERO — the designer's key art on a cinematic slate stage ----------- */
.hero {
  position: relative; isolation: isolate;
  background:
    radial-gradient(130% 90% at 82% 12%, rgba(231,225,210,0.10) 0%, rgba(231,225,210,0) 52%),
    linear-gradient(168deg, var(--slate) 0%, var(--slate-deep) 70%, #0E1214 100%);
  color: var(--on-dark);
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2.75rem, 6vh, 4.5rem);
  overflow: hidden;
}
.hero::before { /* fluted-column striation + diagonal shaft of light */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: var(--lightshaft), var(--flutes);
  opacity: .55; pointer-events: none;
}
.hero::after { /* faint Reformed Forum lion watermark, low in the stage */
  content: ""; position: absolute; z-index: -1; left: 50%; bottom: -6%;
  width: min(52vw, 560px); aspect-ratio: 482 / 532; transform: translateX(-50%);
  background: url("../img/rf-mark.svg") center/contain no-repeat; opacity: .04;
  pointer-events: none;
}

.hero__stage {
  width: 100%; max-width: 1200px; margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex; flex-direction: column; align-items: center;
}

/* The key art — shown whole, never cropped; framed like a screening print */
.hero__art { margin: 0 0 clamp(2rem, 4vw, 3rem); width: 100%; }
.hero__art img {
  width: 100%; height: auto; display: block; border-radius: 5px;
  border: 1px solid rgba(231,225,210,0.14);
  box-shadow:
    0 50px 90px -45px rgba(0,0,0,0.85),
    0 4px 14px rgba(0,0,0,0.45),
    inset 0 0 0 1px rgba(0,0,0,0.3);
}

/* Control bar beneath the art */
.hero__bar { width: 100%; text-align: center; }
.hero__meta {
  display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: .5rem .9rem;
  font-family: var(--font-mono); font-weight: 500;
  font-size: clamp(.76rem, .72rem + .2vw, .9rem); letter-spacing: .14em;
  text-transform: uppercase; color: var(--silver); margin: 0 0 1.8rem;
}
.hero__meta .sep { opacity: .9; }

.hero__cta { display: flex; flex-wrap: wrap; gap: .9rem 1rem; align-items: center; justify-content: center; }

/* Countdown */
.countdown { display: none; }
body[data-countdown="on"] .countdown { display: flex; justify-content: center; gap: clamp(1.1rem, 3vw, 2rem); margin-top: 2.6rem; }
.countdown__unit { text-align: center; min-width: 3.2rem; }
.countdown__num {
  font-family: var(--font-inscription); font-weight: 600;
  font-size: clamp(1.6rem, 1.3rem + 1.4vw, 2.4rem); line-height: 1;
  color: var(--silver); font-variant-numeric: tabular-nums;
}
.countdown__label {
  font-family: var(--font-mono); font-weight: 500; font-size: .62rem;
  letter-spacing: .18em; text-transform: uppercase; color: var(--silver-soft); margin-top: .6rem;
}

/* ---- Section scaffolding ------------------------------------------------ */
.section { padding-block: clamp(3.75rem, 8vh, 6.5rem); }
.section--alt { background: var(--bone-deep); }
.section__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.9rem, 1.4rem + 2.3vw, 3.1rem);
  line-height: 1.07; letter-spacing: -0.01em; color: var(--ink);
  margin: 0; text-wrap: balance;
}
.section__lede {
  font-family: var(--font-sans); font-size: 1.08rem; color: var(--ink-soft);
  max-width: 56ch; margin: 1.1rem 0 0;
}
.section__head { margin-bottom: 2.75rem; }
.section__head--center { text-align: center; margin-inline: auto; margin-bottom: 3.25rem; }
.section__head--center .eyebrow { justify-content: center; }
.section__head--center .section__lede { margin-inline: auto; }

.section__grid { display: grid; grid-template-columns: 1fr; gap: 1.75rem 3.5rem; }
@media (min-width: 880px) {
  .section__grid { grid-template-columns: minmax(280px, 0.82fr) 1.18fr; }
  .section__grid .section__head { margin-bottom: 0; position: sticky; top: calc(var(--nav-h) + 2rem); align-self: start; }
}

.prose p { margin: 0 0 1.3rem; max-width: 64ch; }
.prose p:last-child { margin-bottom: 0; }
.prose .lead {
  font-family: var(--font-display); font-weight: 400; font-size: 1.4rem;
  line-height: 1.45; color: var(--ink); margin-bottom: 1.6rem;
}
.prose .lead em { font-style: italic; }
.prose__note {
  font-family: var(--font-mono); font-size: .85rem; line-height: 1.7;
  color: var(--ink-soft); border-left: 2px solid var(--vermilion);
  padding-left: 1rem; margin-top: 2.25rem;
}
.prose__note em { font-style: italic; color: var(--ink); }
.theme__who {
  font-family: var(--font-sans); font-size: .98rem; color: var(--ink-soft);
  margin-top: 1.4rem;
}

/* ---- SPEAKERS ----------------------------------------------------------- */
.speaker-grid {
  display: grid; gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  max-width: 920px; margin-inline: auto;
}
.speaker { text-align: center; }
.speaker__photo, .speaker__monogram {
  width: clamp(120px, 42%, 152px); aspect-ratio: 1; margin: 0 auto 1.15rem;
  border-radius: 50%; object-fit: cover;
}
.speaker__photo { object-position: center 18%; }
.speaker__photo[src*="beale"] { object-position: center; }
.speaker__monogram {
  display: grid; place-items: center;
  background: linear-gradient(155deg, var(--bone), var(--bone-bright));
  color: var(--vermilion-deep); border: 1px solid var(--hairline);
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.7rem, 1.3rem + 1vw, 2.3rem);
}
.speaker--confirmed .speaker__photo,
.speaker--confirmed .speaker__monogram {
  box-shadow: 0 0 0 1px var(--bone-deep), 0 0 0 4px color-mix(in srgb, var(--vermilion) 30%, transparent);
}
.speaker__name {
  font-family: var(--font-display); font-weight: 600; font-size: 1.3rem;
  line-height: 1.2; color: var(--ink); margin: 0 0 .35rem;
}
.speaker__meta {
  font-family: var(--font-mono); font-weight: 500; font-size: .7rem;
  letter-spacing: .05em; line-height: 1.5; text-transform: uppercase;
  color: var(--vermilion-deep); margin: 0; text-wrap: balance;
}
.speaker__meta--tbd { color: var(--ink-soft); }
.speaker__bio {
  font-family: var(--font-sans); font-size: .95rem; color: var(--ink-soft);
  margin: .75rem auto 0; max-width: 32ch; line-height: 1.55;
}
.speaker__toggle {
  font-family: var(--font-mono); font-weight: 500; font-size: .7rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--vermilion-deep);
  background: none; border: 0; cursor: pointer; margin-top: .85rem; padding: .25rem;
  text-decoration: underline; text-underline-offset: 3px;
}

/* ---- FEATURED ADDRESS card --------------------------------------------- */
.feature {
  margin: clamp(3rem, 6vw, 4.5rem) auto 0; max-width: 780px;
  background:
    radial-gradient(120% 130% at 85% 0%, rgba(231,225,210,0.08) 0%, rgba(231,225,210,0) 55%),
    linear-gradient(162deg, var(--slate-2) 0%, var(--slate) 60%, var(--slate-deep) 100%);
  color: var(--on-dark);
  border-radius: 6px; padding: clamp(1.8rem, 4vw, 2.8rem);
  position: relative; overflow: hidden; isolation: isolate;
  border: 1px solid rgba(231,225,210,0.08);
}
.feature::before { /* fluted texture */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: var(--flutes); pointer-events: none;
}
.feature::after {
  content: ""; position: absolute; z-index: -1; right: -40px; top: -40px;
  width: 200px; height: 200px; background: var(--spark-vermilion) center/contain no-repeat;
  opacity: .07; transform: rotate(8deg);
}
.feature__eyebrow {
  font-family: var(--font-mono); font-weight: 500; font-size: .72rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--vermilion-soft); margin: 0 0 1rem;
}
.feature__title {
  font-family: var(--font-display); font-weight: 500; font-style: italic;
  font-size: clamp(1.4rem, 1.1rem + 1.6vw, 2rem); line-height: 1.2;
  color: #fff; margin: 0 0 1rem; text-wrap: balance;
}
.feature__by {
  font-family: var(--font-mono); font-weight: 500; font-size: .8rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark); margin: 0 0 1.2rem;
}
.feature__body {
  font-family: var(--font-sans); font-size: 1.02rem; line-height: 1.65;
  color: var(--on-dark-soft); margin: 0; max-width: 60ch;
}

/* ---- SCHEDULE ----------------------------------------------------------- */
.schedule__days { display: grid; gap: clamp(2rem, 5vw, 3.5rem); grid-template-columns: 1fr; }
@media (min-width: 720px) { .schedule__days { grid-template-columns: 1fr 1fr; align-items: start; } }
.agenda__day {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .25rem .9rem;
  padding-bottom: .4rem; border-bottom: 1.5px solid var(--vermilion);
}
.agenda__day-label { font-family: var(--font-display); font-weight: 600; font-size: 1.5rem; color: var(--ink); }
.agenda__day-date {
  font-family: var(--font-mono); font-weight: 500; font-size: .76rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft);
}
.agenda__sublabel {
  font-family: var(--font-sans); font-style: italic; font-size: .92rem;
  color: var(--ink-soft); margin: .7rem 0 0;
}
.agenda__list { list-style: none; margin: 1.25rem 0 0; padding: 0; }
.agenda__row {
  display: grid; grid-template-columns: 7.6rem 1fr; gap: .85rem;
  padding: 1rem 0; border-bottom: 1px solid var(--hairline);
}
.agenda__row:last-child { border-bottom: 0; }
.agenda__time {
  font-family: var(--font-mono); font-weight: 500; font-size: .74rem;
  color: var(--vermilion-deep); padding-top: .25rem; font-variant-numeric: tabular-nums;
  letter-spacing: 0; white-space: nowrap;
}
.agenda__title { display: block; font-family: var(--font-display); font-weight: 500; font-size: 1.12rem; color: var(--ink); line-height: 1.3; }
.agenda__detail { display: block; font-family: var(--font-sans); font-size: .9rem; color: var(--ink-soft); margin-top: .2rem; }
.agenda__row--meal .agenda__title { font-style: italic; font-weight: 400; }
.agenda__row--feature {
  background: rgba(168,53,58,0.07); border-radius: 4px;
  margin-inline: -.7rem; padding-inline: .7rem; border-bottom-color: transparent;
}
.agenda__row--feature .agenda__title { color: var(--vermilion-deep); font-weight: 600; }
.agenda__row--feature .agenda__detail { font-style: italic; }
.agenda__row--feature .agenda__time { color: var(--vermilion); }

/* ---- STATEMENT band (cinematic slate, inscriptional) ------------------- */
.statement {
  position: relative; isolation: isolate; overflow: hidden;
  background:
    radial-gradient(120% 100% at 78% 0%, rgba(231,225,210,0.10) 0%, rgba(231,225,210,0) 55%),
    linear-gradient(165deg, var(--slate-2) 0%, var(--slate) 55%, var(--slate-deep) 100%);
  color: var(--silver); text-align: center;
  padding-block: clamp(4.5rem, 11vh, 8rem);
}
.statement::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .6;
  background-image: var(--lightshaft), var(--flutes); pointer-events: none;
}
.statement__label {
  font-family: var(--font-mono); font-weight: 500; font-size: .74rem;
  letter-spacing: .24em; text-transform: uppercase; color: var(--vermilion-soft);
  margin: 0 0 1.6rem;
}
.statement__quote {
  font-family: var(--font-inscription); font-weight: 500;
  font-size: clamp(1.5rem, 1rem + 2.6vw, 2.9rem); line-height: 1.18;
  letter-spacing: .01em; color: var(--silver);
  margin: 0 auto; max-width: 20ch; text-wrap: balance;
}
.statement__sub {
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--silver-soft); margin: 1.8rem 0 0;
}

/* ---- VENUE -------------------------------------------------------------- */
.venue__body { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 720px) { .venue__body { grid-template-columns: 1fr 1fr; align-items: start; } }
.venue__place { margin-bottom: 1.5rem; }
.venue__kicker {
  font-family: var(--font-mono); font-weight: 500; font-size: .7rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--vermilion-deep); margin: 0 0 .5rem;
}
.venue__addr { font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; color: var(--ink); line-height: 1.4; margin: 0; }
.venue__addr--sm { font-size: 1.12rem; }
.venue__notes { list-style: none; margin: 1.4rem 0 0; padding: 0; }
.venue__notes li { position: relative; padding-left: 1.4rem; margin-bottom: .85rem; font-size: 1rem; color: var(--ink-soft); }
.venue__notes li::before { content: ""; position: absolute; left: 0; top: .42em; width: .6em; height: .6em; background: var(--spark-vermilion) center/contain no-repeat; }
.venue__notes strong { color: var(--ink); font-weight: 600; }
.venue__notes a { color: var(--vermilion-deep); text-decoration: underline; text-underline-offset: 2px; }
.venue__map { border-radius: 4px; overflow: hidden; border: 1px solid var(--hairline); background: var(--bone); }
.venue__map iframe { width: 100%; height: 320px; border: 0; display: block; background: var(--bone); }
.venue__map-links { display: flex; border-top: 1px solid var(--hairline); }
.venue__map-links a {
  flex: 1; text-align: center; padding: .7rem;
  font-family: var(--font-mono); font-size: .74rem; font-weight: 500;
  letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none;
  transition: color .2s ease, background .2s ease;
}
.venue__map-links a:first-child { border-right: 1px solid var(--hairline); }
.venue__map-links a:hover { color: var(--vermilion-deep); background: rgba(168,53,58,0.05); }

/* ---- REGISTRATION (crimson band) --------------------------------------- */
.register {
  background:
    radial-gradient(120% 130% at 50% -15%, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0) 55%),
    linear-gradient(160deg, var(--vermilion) 0%, var(--vermilion-deep) 100%);
  color: #fff; text-align: center;
}
.register__inner { max-width: 760px; margin-inline: auto; }
.register .eyebrow { color: #fff; justify-content: center; }
.register .eyebrow::before { background: var(--spark-bone); }
.register__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 1.5rem + 2.4vw, 3.1rem); line-height: 1.08; color: #fff; margin: 0; }
.register__lede { font-family: var(--font-sans); font-size: 1.08rem; line-height: 1.6; color: rgba(255,255,255,0.92); max-width: 52ch; margin: 1.2rem auto 2.4rem; }

/* Pricing tiers */
.tiers {
  display: grid; gap: 1.1rem; grid-template-columns: 1fr;
  max-width: 640px; margin: 0 auto 2.4rem; text-align: left;
}
@media (min-width: 660px) { .tiers { grid-template-columns: repeat(3, 1fr); }
  .tiers { text-align: center; } }
.tier {
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 5px; padding: 1.5rem 1.25rem 1.4rem;
  display: flex; flex-direction: column; gap: .35rem;
  align-items: flex-start;
}
@media (min-width: 660px) { .tier { align-items: center; } }
.tier--featured {
  background: var(--bone-bright); border-color: var(--bone-bright); color: var(--charcoal);
  box-shadow: 0 20px 40px -24px rgba(0,0,0,0.5);
}
.tier__badge {
  position: absolute; top: -.7rem; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-weight: 600; font-size: .62rem;
  letter-spacing: .14em; text-transform: uppercase;
  background: var(--charcoal); color: #fff; padding: .25em .7em; border-radius: 2px;
  white-space: nowrap;
}
.tier__name {
  font-family: var(--font-mono); font-weight: 500; font-size: .76rem;
  letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,0.82); margin: 0;
}
.tier--featured .tier__name { color: var(--vermilion-deep); }
.tier__price {
  font-family: var(--font-display); font-weight: 600; font-size: 2.1rem;
  line-height: 1; color: #fff; margin: .2rem 0 .1rem;
  display: flex; flex-direction: column; gap: .25rem; align-items: flex-start;
}
@media (min-width: 660px) { .tier__price { align-items: center; } }
.tier--featured .tier__price { color: var(--charcoal); }
.tier__regular {
  font-family: var(--font-mono); font-weight: 500; font-size: .68rem;
  letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,0.72);
}
.tier--featured .tier__regular { color: var(--ink-soft); }
.tier__note {
  font-family: var(--font-sans); font-size: .88rem; line-height: 1.4;
  color: rgba(255,255,255,0.82); margin: .3rem 0 0;
}
.tier--featured .tier__note { color: var(--ink-soft); }

.register__cta { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.register__note { font-family: var(--font-mono); font-size: .8rem; line-height: 1.7; letter-spacing: .02em; color: rgba(255,255,255,0.9); margin-top: 2.2rem; }
.register__note a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

/* ---- SPONSORS ----------------------------------------------------------- */
.sponsor-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: repeat(2, 1fr); align-items: center;
}
@media (min-width: 720px) { .sponsor-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 980px) { .sponsor-grid { grid-template-columns: repeat(6, 1fr); } }
.sponsor { display: flex; align-items: center; justify-content: center; }
.sponsor__link { display: block; }
.sponsor__logo {
  max-height: 64px; width: auto; max-width: 100%; margin-inline: auto;
  opacity: .72; filter: grayscale(100%);
  transition: opacity .25s ease, filter .25s ease;
}
.sponsor__link:hover .sponsor__logo,
.sponsor:hover .sponsor__logo { opacity: 1; filter: grayscale(0); }

/* ---- FOOTER (charcoal) -------------------------------------------------- */
.footer { background: linear-gradient(180deg, var(--slate) 0%, var(--slate-deep) 100%); color: var(--on-dark); padding-block: 3.5rem 2rem; }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2.5rem; border-bottom: 1px solid var(--hairline-dark); }
@media (min-width: 720px) { .footer__grid { grid-template-columns: 1.5fr 1fr 1fr; align-items: start; } }
.footer__logo { display: block; width: clamp(190px, 42%, 232px); height: auto; margin-bottom: 1.1rem; }
.footer__tagline { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-soft); margin: 0; }
.footer__col h3 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--on-dark-soft); margin: 0 0 1rem; font-weight: 500; }
.footer__col a { display: block; font-family: var(--font-sans); font-size: .95rem; text-decoration: none; color: var(--on-dark); margin-bottom: .6rem; transition: color .2s ease; }
.footer__col a:hover { color: var(--vermilion-soft); }
.footer__legal { padding-top: 1.5rem; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .06em; color: var(--on-dark-soft); }
.footer__legal p { margin: 0; }

/* ---- Mobile nav --------------------------------------------------------- */
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; width: 44px; height: 44px; padding: 10px; color: var(--ink); }
.nav__toggle svg { width: 100%; height: 100%; }
@media (max-width: 880px) {
  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0; flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bone); border-bottom: 1px solid var(--hairline);
    padding: .5rem var(--gutter) 1.25rem;
    transform: translateY(-130%); transition: transform .3s ease;
    box-shadow: 0 18px 40px -24px rgba(0,0,0,.45);
  }
  .nav__links.is-open { transform: translateY(0); }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: .9rem 0; font-size: .82rem; width: 100%; }
  .nav__links a::after { display: none; }
  .nav__links .btn { margin-top: .8rem; width: 100%; }
}
