/* ============================================
   Above & Beyond Summit — Site Styles
   Black & gold, matching the A&B logo
   ============================================ */

:root {
  --black: #0a0a0a;
  --charcoal: #141414;
  --card: #1a1a1a;
  --gold: #c9a24b;
  --gold-light: #e8cf8f;
  --gold-dark: #8f6f2a;
  --ivory: #f5f0e6;
  --grey: #9a9a9a;
  --border: #2a2a2a;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Jost', 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--ivory);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.6;
}

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

a { color: var(--gold); text-decoration: none; }

.gold-text {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold-light) 50%, var(--gold-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Nav ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 2rem;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

nav .brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.12em;
  color: var(--ivory);
}

nav .brand svg, nav .brand img { height: 42px; width: auto; }

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

nav ul a {
  color: var(--ivory);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.2s;
}

nav ul a:hover { color: var(--gold-light); }

.btn {
  display: inline-block;
  padding: 0.8rem 2.2rem;
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  transition: all 0.25s;
  background: transparent;
  cursor: pointer;
  font-family: var(--sans);
}

.btn:hover { background: var(--gold); color: var(--black); }

.btn-solid {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold) 50%, var(--gold-light));
  color: var(--black);
  border: none;
  font-weight: 500;
}

.btn-solid:hover { filter: brightness(1.15); background: linear-gradient(135deg, var(--gold-dark), var(--gold) 50%, var(--gold-light)); color: var(--black); }

nav .btn { padding: 0.55rem 1.4rem; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  position: relative;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(201, 162, 75, 0.10), transparent 60%),
    linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.hero .logo-mark svg, .hero .logo-mark img { height: 340px; width: auto; margin-bottom: 1.5rem; }

/* Official logo is a JPG on a black background — lighten blend melts it into the dark hero */
.hero .logo-mark img { mix-blend-mode: lighten; }

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.hero .summit-line {
  font-family: var(--sans);
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 1rem 0 0.5rem;
}

.hero .tagline {
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 2rem;
}

.hero .event-details {
  font-family: var(--serif);
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  margin-bottom: 2.5rem;
}

.hero .event-details .divider { color: var(--gold); margin: 0 0.8rem; }

.hero .cta-row { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }

.presented-by {
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.presented-by span {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--grey);
}

.presented-by .dd-lockup { display: flex; align-items: center; gap: 0.55rem; }

.presented-by .dd-lockup img { height: 34px; width: auto; }
.presented-by .dd-lockup .dd-logo-img { height: 42px; width: auto; mix-blend-mode: lighten; }

.presented-by .dd-lockup span {
  color: #fff;
  font-weight: 500;
  font-size: 1.45rem;
  letter-spacing: 0.01em;
  text-transform: none;
}

/* ---------- Sections ---------- */
section { padding: 5.5rem 1.5rem; }

.container { max-width: 1100px; margin: 0 auto; }

.section-heading { text-align: center; margin-bottom: 3.5rem; }

.section-heading .kicker {
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.75rem;
}

.section-heading h2 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.section-heading p.sub { color: var(--grey); max-width: 640px; margin: 1rem auto 0; }

/* ---------- Highlights ---------- */
.highlights { background: var(--charcoal); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: border-color 0.25s, transform 0.25s;
}

.card:hover { border-color: var(--gold-dark); transform: translateY(-4px); }

.card .icon { font-size: 2rem; margin-bottom: 1rem; color: var(--gold); }

.card h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: 0.05em;
}

.card p { color: var(--grey); font-size: 0.92rem; }

/* ---------- Photo placeholders ----------
   Replace each .photo figure with:
   <img src="assets/your-photo.jpg" alt="...">
------------------------------------------- */
.photo {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(201,162,75,0.18), transparent 55%),
    linear-gradient(160deg, #1c1710, #0e0c08 70%);
}

.photo.wide { aspect-ratio: 21 / 9; }

.photo .label {
  color: var(--gold-dark);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  text-align: center;
  padding: 0 1rem;
}

.photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

/* ---------- Agenda ---------- */
.agenda-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.day {
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  padding: 1.75rem 1.5rem;
}

.day .date {
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--gold-light);
  margin-bottom: 0.15rem;
}

.day .dow {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1.1rem;
}

.day ul { list-style: none; }

.day li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  color: var(--ivory);
}

.day li:last-child { border-bottom: none; }

.agenda-note { text-align: center; color: var(--grey); font-size: 0.85rem; margin-top: 2rem; font-style: italic; }

/* ---------- Venue ---------- */
.venue { background: var(--charcoal); }

.venue-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.venue-split h3 {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.venue-split p { color: var(--grey); margin-bottom: 1rem; }

.venue-split .address { color: var(--ivory); font-style: normal; margin-bottom: 1.5rem; }

@media (max-width: 820px) { .venue-split { grid-template-columns: 1fr; } }

/* ---------- Registration CTA ---------- */
.register-cta .reg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 720px) { .register-cta .reg-grid { grid-template-columns: 1fr; } }

.reg-card {
  background: var(--card);
  border: 1px solid var(--gold-dark);
  padding: 3rem 2.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.reg-card h3 { font-family: var(--serif); font-size: 1.9rem; font-weight: 500; }

.reg-card p { color: var(--grey); flex-grow: 1; }

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 1.5rem 2rem;
  text-align: center;
  color: var(--grey);
  font-size: 0.85rem;
}

footer .foot-logo svg, footer .foot-logo img { height: 60px; width: auto; margin: 0 auto 1rem; }

footer .presented-by { margin-top: 1.5rem; }

/* ============================================
   Forms (registration pages)
   ============================================ */
.form-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 8rem 1.5rem 5rem;
}

.form-page .page-heading { text-align: center; margin-bottom: 3rem; }

.form-page .page-heading h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 500;
}

.form-page .page-heading p { color: var(--grey); margin-top: 0.75rem; }

fieldset {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 2rem;
  margin-bottom: 2rem;
}

legend {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--gold-light);
  padding: 0 0.75rem;
  letter-spacing: 0.05em;
}

.field { margin-bottom: 1.4rem; }

.field:last-child { margin-bottom: 0; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }

@media (max-width: 620px) { .two-col { grid-template-columns: 1fr; } }

label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.45rem;
}

label .req { color: var(--gold); }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--border);
  color: var(--ivory);
  padding: 0.8rem 1rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--gold);
}

textarea { resize: vertical; min-height: 110px; }

select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }

/* checkbox grids */
.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.6rem;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--black);
  border: 1px solid var(--border);
  padding: 0.65rem 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
  font-size: 0.9rem;
}

.check-item:hover { border-color: var(--gold-dark); }

.check-item input { accent-color: var(--gold); width: 16px; height: 16px; cursor: pointer; }

.check-item.checked { border-color: var(--gold); }

.single-check {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: var(--black);
  border: 1px solid var(--gold-dark);
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1.4;
}

.single-check input { accent-color: var(--gold); width: 18px; height: 18px; margin-top: 2px; cursor: pointer; flex-shrink: 0; }

/* attendee rows */
.attendee-row {
  display: grid;
  grid-template-columns: 1fr 1fr 44px;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
  align-items: center;
}

.attendee-row .remove-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--grey);
  height: 44px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s;
}

.attendee-row .remove-btn:hover { border-color: #a33; color: #d66; }

.add-btn {
  background: transparent;
  border: 1px dashed var(--gold-dark);
  color: var(--gold);
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all 0.2s;
  width: 100%;
}

.add-btn:hover { background: rgba(201,162,75,0.08); border-style: solid; }

.form-actions { text-align: center; margin-top: 2.5rem; }

.form-actions .btn-solid { padding: 1rem 3.5rem; font-size: 0.9rem; }

.form-note { text-align: center; color: var(--grey); font-size: 0.8rem; margin-top: 1rem; }

/* success message */
.success-box {
  display: none;
  text-align: center;
  border: 1px solid var(--gold);
  background: var(--card);
  padding: 3.5rem 2rem;
}

.success-box h2 { font-family: var(--serif); font-size: 2rem; color: var(--gold-light); margin-bottom: 1rem; }

.success-box p { color: var(--grey); }

/* back link */
.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}

.back-link:hover { color: var(--gold); }

@media (max-width: 760px) {
  nav ul { display: none; }
  .hero .logo-mark svg, .hero .logo-mark img { height: 220px; }
}