/* ============================================================
   Olympia AI Data Infrastructure Summit 2026
   Classical invitation-inspired website — HTML + CSS only
   ============================================================ */

:root {
  --paper: #efe0bd;
  --paper-light: #f8efd9;
  --paper-deep: #dfc79b;
  --brown: #724719;
  --brown-dark: #2b1a0c;
  --brown-soft: #896232;
  --gold: #9b6b2d;
  --line: rgba(116, 73, 24, .46);
  --max: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--brown-dark);
  background:
    linear-gradient(rgba(238, 221, 184, .92), rgba(238, 221, 184, .92)),
    url("assets/parchment-texture.jpg") center / 520px auto repeat;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.55;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 8%, rgba(255,255,255,.40), transparent 28rem),
    radial-gradient(circle at 85% 72%, rgba(137,98,50,.10), transparent 34rem);
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.page-frame {
  position: fixed;
  inset: 13px;
  pointer-events: none;
  z-index: 100;
  border: 2px solid rgba(114,71,25,.72);
  box-shadow:
    inset 0 0 0 6px rgba(239,224,189,.55),
    inset 0 0 0 8px rgba(114,71,25,.22);
}

.page-frame::before,
.page-frame::after {
  content: "⌜⌝⌞⌟";
  position: absolute;
  color: var(--brown);
  font-size: 34px;
  letter-spacing: 9px;
  opacity: .68;
}

.page-frame::before {
  top: -18px;
  left: 12px;
}

.page-frame::after {
  right: 12px;
  bottom: -18px;
  transform: rotate(180deg);
}

.site-header {
  position: relative;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 236, 210, .80);
  backdrop-filter: blur(6px);
}

.header-inner {
  width: min(calc(100% - 52px), var(--max));
  min-height: 104px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 38px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
  min-width: 0;
}

.brand-emblem {
  width: 76px;
  height: 76px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  border: 1px solid rgba(114,71,25,.55);
  mix-blend-mode: multiply;
  flex: 0 0 auto;
}

.brand-copy {
  display: grid;
  gap: 1px;
  min-width: 0;
  max-width: 100%;
}

.brand-copy strong,
.brand-copy small {
    overflow-wrap: anywhere;
}

.nav {
  display: flex;
  align-items: center;
  gap: 27px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  position: relative;
  padding: 8px 0;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform .2s ease;
}

.nav a:hover::after {
  transform: scaleX(1);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  width: min(calc(100% - 52px), var(--max));
  min-height: 690px;
  margin: auto;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 52px;
  align-items: center;
  padding: 64px 0 70px;
}

.hero-copy {
  position: relative;
  z-index: 5;
  max-width: 790px;
}

.overline,
.section-number,
.detail-label,
.card-kicker {
  color: var(--brown);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 14px 0 12px;
  max-width: 900px;
  font-size: clamp(30px, 6vw, 62px);
  line-height: .94;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.greek-divider {
  width: min(100%, 560px);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 21px 0;
  color: var(--gold);
}

.greek-divider span {
  height: 1px;
  flex: 1;
  background: var(--gold);
}

.greek-divider b {
  font-size: 28px;
  font-weight: 400;
}

blockquote {
  margin: 0 0 17px;
  color: var(--brown);
  font-size: clamp(21px, 2.4vw, 31px);
  font-style: italic;
  font-weight: 700;
}

.hero-lead {
  margin-bottom: 13px;
  max-width: 760px;
  font-size: 20px;
}

.hero-text {
  max-width: 760px;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 13px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid var(--brown);
  font-family: inherit;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .025em;
  transition: .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--brown);
  color: var(--paper-light);
}

.btn-primary:hover {
  background: #5f3913;
}

.btn-outline {
  background: rgba(248,239,217,.45);
}

.summit-card {
  position: relative;
  z-index: 7;
  align-self: end;
  margin-bottom: 28px;
  border: 2px solid rgba(114,71,25,.70);
  background:
    linear-gradient(rgba(248,239,217,.93), rgba(235,216,176,.93)),
    url("assets/parchment-texture.jpg") center / cover;
  box-shadow: 0 12px 38px rgba(65,39,14,.13);
  padding: 8px;
}

.summit-card-inner {
  border: 1px solid rgba(114,71,25,.50);
  padding: 22px;
}

.card-kicker {
  margin: 0 0 3px;
}

.summit-card h2 {
  margin: 0 0 18px;
  font-size: 25px;
  line-height: 1.05;
  text-transform: uppercase;
}

.summit-card dl {
  margin: 0;
}

.summit-card dl > div {
  padding: 10px 0;
  border-top: 1px solid rgba(114,71,25,.20);
}

.summit-card dt {
  color: var(--brown);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.summit-card dd {
  margin: 2px 0 0;
  font-size: 16px;
}

.hero-temple {
  position: absolute;
  width: min(55vw, 690px);
  right: -155px;
  bottom: -125px;
  opacity: .65;
  z-index: 1;
  mix-blend-mode: multiply;
  -webkit-mask-image: linear-gradient(to left, #000 66%, transparent 100%);
  mask-image: linear-gradient(to left, #000 66%, transparent 100%);
}

.hero-temple img {
  width: 100%;
}

/* Intro band */

.intro-band {
  border-bottom: 1px solid var(--line);
  background: rgba(151,105,46,.08);
}

.intro-band-inner {
  width: min(calc(100% - 52px), 990px);
  margin: auto;
  padding: 28px 0;
  text-align: center;
}

.intro-band p {
  margin: 0;
  font-size: 19px;
}

/* Sections */

.section {
  width: min(calc(100% - 52px), var(--max));
  margin: auto;
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 46px;
}

.section-number {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin: 0;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-size: 19px;
  font-family: Georgia, serif;
}

.section-heading .overline {
  margin: 0 0 6px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4.1vw, 54px);
  line-height: 1;
  letter-spacing: -.025em;
}

.about-grid {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 72px;
}

.large-copy p {
  margin: 0;
  font-size: clamp(26px, 2.7vw, 37px);
  line-height: 1.35;
}

.body-copy p {
  font-size: 18px;
  margin-bottom: 18px;
}

/* Themes */

.theme-grid-2c {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.theme-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.theme-card {
  min-height: 335px;
  padding: 30px 28px;
  border: 1px solid rgba(114,71,25,.47);
  background:
    linear-gradient(rgba(248,239,217,.72), rgba(239,224,189,.58)),
    url("assets/olympia-logo.jpg") center / cover;
  position: relative;
}

.theme-card::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(114,71,25,.15);
  pointer-events: none;
}

.theme-card-spons {
  min-height: 380px;
  padding: 30px 28px;
  border: 1px solid rgba(114,71,25,.47);
  background:
    linear-gradient(rgba(248,239,217,.72), rgba(239,224,189,.58)),
    url("assets/olympia-temple.jpg") center / cover;
  position: relative;
}

.theme-medallion {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 42px;
  border-radius: 50%;
  background: var(--brown);
  color: var(--paper-light);
  font-weight: 800;
  letter-spacing: .06em;
}

.theme-medallion-spons {
  width: 250px;
  height: 70px;
  display: grid;
  place-items: center;
  margin-bottom: 42px;
  border-radius: 50%;
  /* background: var(--brown); */
  /* background: silver; */
  /* color: var(--paper-light); */
  font-weight: 800;
  letter-spacing: .06em;
}

.theme-card h3 {
  margin-bottom: 13px;
  font-size: 27px;
  line-height: 1.1;
}

.theme-card p {
  margin-bottom: 0;
  color: #51351c;
  font-size: 17px;
}

/* Quote */

.quote-section {
  padding: 56px 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(151,105,46,.09);
}

.quote-inner {
  width: min(100%, 1040px);
  margin: auto;
  display: grid;
  grid-template-columns: 60px 1fr 60px;
  gap: 22px;
  align-items: center;
  text-align: center;
}

.quote-inner p {
  margin: 0;
  color: var(--brown);
  font-size: clamp(25px, 3.2vw, 40px);
  font-weight: 700;
  font-style: italic;
  line-height: 1.25;
}

.laurel {
  color: var(--gold);
  font-size: 42px;
}

/* Details */

.details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.details-grid article {
  min-height: 235px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(248,239,217,.25);
}

.detail-label {
  display: block;
  margin-bottom: 18px;
}

.details-grid h3 {
  margin: 0 0 10px;
  font-size: 27px;
}

.details-grid p {
  margin: 0;
  max-width: 50ch;
  font-size: 17px;
}

/* RSVP */

.rsvp-section {
  width: min(calc(100% - 52px), var(--max));
  margin: 0 auto;
  padding: 84px 0;
}

.rsvp-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 55px;
  align-items: end;
  padding: 48px;
  border: 2px solid var(--brown);
  background:
    linear-gradient(rgba(235,216,176,.80), rgba(235,216,176,.80)),
    url("assets/parchment-texture.jpg") center / cover;
  box-shadow: inset 0 0 0 7px rgba(248,239,217,.42);
}

.rsvp-inner h2 {
  margin: 8px 0 10px;
  max-width: 780px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1;
}

.rsvp-inner p {
  margin-bottom: 0;
  max-width: 730px;
  font-size: 18px;
}

.btn-large {
  min-height: 57px;
  max-width: 270px;
  text-align: center;
}

/* Scenic footer image */

.scene-strip {
  height: 150px;
  overflow: hidden;
  opacity: .70;
  mix-blend-mode: multiply;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.scene-strip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 64%;
  filter: sepia(.22);
}

/* Footer */

footer {
  background: rgba(151,105,46,.07);
}

.footer-inner {
  width: min(calc(100% - 52px), var(--max));
  min-height: 170px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 36px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  width: 68px;
  height: 68px;
  object-fit: cover;
  border-radius: 50%;
  mix-blend-mode: multiply;
}

.footer-brand strong {
  font-size: 17px;
}

.footer-brand p,
.footer-note {
  margin: 4px 0 0;
  color: var(--brown-soft);
  font-size: 14px;
}

.footer-note {
  font-style: italic;
}

/* Responsive */

@media (max-width: 1050px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .hero-copy,
  .summit-card {
        min-width: 0;
  }

  .hero-temple {
    width: 680px;
    right: -240px;
    bottom: -110px;
    opacity: .30;
  }

  .theme-grid {
    grid-template-columns: 1fr;
  }

  .theme-card {
    min-height: auto;
  }

  .theme-medallion {
    margin-bottom: 24px;
  }

  .rsvp-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 780px) {
  .header-inner {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(38px, 8vw, 52px);
    line-height: .98;
    letter-spacing: -.025em;
  }

  .brand-emblem {
    width: 62px;
    height: 62px;
  }

  .nav {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .details-grid {
    grid-template-columns: 1fr;
  }

  .quote-inner {
    grid-template-columns: 1fr;
  }

  .laurel {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 34px 0;
  }

 .summit-card {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        margin-bottom: 0;
    }

    .summit-card-inner {
        min-width: 0;
    }

    .summit-card dl,
    .summit-card dl > div,
    .summit-card dd {
        min-width: 0;
        max-width: 100%;
    }

    .summit-card dd,
    .card-kicker {
        overflow-wrap: anywhere;
        word-break: normal;
    }

}

@media (max-width: 560px) {
  .page-frame {
    inset: 5px;
  }

  .header-inner,
  .hero-inner,
  .section,
  .rsvp-section,
  .footer-inner {
    width: min(calc(100% - 30px), var(--max));
  }

  .hero h1 {
    font-size: clamp(30px, 8.5vw, 40px);
    line-height: 1;
    letter-spacing: -.02em;
  }

  .brand-copy strong {
    font-size: 13px;
    letter-spacing: .035em;
  }

  .brand-copy small {
    font-size: 9px;
    letter-spacing: .06em;
  }

  .hero-inner {
    padding-top: 46px;
    padding-bottom: 50px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .section-heading {
    grid-template-columns: 42px 1fr;
    gap: 13px;
  }

  .section-number {
    width: 38px;
    height: 38px;
    font-size: 15px;
  }

  .large-copy p {
    font-size: 25px;
  }

  .theme-card,
  .details-grid article,
  .rsvp-inner {
    padding: 25px 21px;
  }

  .summit-card {
        padding: 5px;
    }

    .summit-card-inner {
        padding: 18px 14px;
    }

    .card-kicker {
        font-size: 10px;
        letter-spacing: .10em;
    }

    .summit-card dd {
        font-size: 15px;
    }

  .scene-strip {
    height: 110px;
  }
}

#location iframe {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    display: block;
}