:root {
  --black: #050505;
  --charcoal: #151515;
  --ink: #25210e;
  --muted: #6f6a5d;
  --line: #e5dec8;
  --paper: #fffaf0;
  --white: #ffffff;
  --gold: #d8b111;
  --gold-dark: #8a6d00;
  --sage: #596b57;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(8, 8, 8, 0.14);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.wrap {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px max(20px, calc((100vw - 1160px) / 2));
  color: var(--white);
  background: rgba(5, 5, 5, 0.92);
  border-bottom: 1px solid rgba(216, 177, 17, 0.3);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 700;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a,
.nav-parent {
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 650;
}

.main-nav a:hover,
.main-nav a.active,
.nav-group.active > .nav-parent {
  color: var(--black);
  background: var(--gold);
}

.nav-group {
  position: relative;
}

.nav-parent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-parent::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 30;
  display: none;
  min-width: 250px;
  padding: 10px 8px 8px;
  background: rgba(5, 5, 5, 0.99);
  border: 1px solid rgba(216, 177, 17, 0.35);
  border-radius: var(--radius);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
}

.nav-dropdown a {
  display: block;
  width: 100%;
  padding: 11px 12px;
  color: rgba(255, 255, 255, 0.84);
}

.nav-group:hover .nav-dropdown,
.nav-group:focus-within .nav-dropdown {
  display: grid;
  gap: 2px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: transparent;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--black);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-position: center;
  background-size: cover;
  opacity: 0.62;
  filter: saturate(0.82) contrast(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.72) 42%, rgba(0, 0, 0, 0.28)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.76), transparent 55%);
}

.hero-content {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 120px 0 92px;
  color: var(--white);
}

.hero h1,
.page-hero h1,
.event-hero h1 {
  max-width: 900px;
  margin: 0 0 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 64px;
  line-height: 1.02;
  font-weight: 700;
}

.hero p,
.page-hero p,
.event-hero p {
  max-width: 760px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: #f0ca29;
}

.btn-ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.42);
}

.btn-secondary {
  color: var(--ink);
  background: var(--white);
  border-color: var(--line);
}

.section {
  padding: 84px 0;
}

.intro-band,
.industry-band,
.theme-band,
.event-identity-band {
  background: var(--white);
}

.featured-event,
.payment-band {
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(216, 177, 17, 0.16), transparent 38%),
    var(--black);
}

.payment-band {
  padding: 64px 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
  align-items: start;
}

.split h2,
.section-heading h2,
.event-feature h2,
.text-panel h2,
.event-detail-card h2 {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  line-height: 1.12;
}

.split p,
.text-panel p,
.event-detail-card p,
.archive-card p,
.payment-card p {
  color: var(--muted);
}

.featured-event .split p,
.featured-event .event-feature p,
.payment-band p {
  color: rgba(255, 255, 255, 0.76);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 32px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.image-card,
.archive-card,
.speaker-card,
.event-detail-card,
.text-panel,
.payment-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.image-card {
  overflow: hidden;
}

.image-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
}

.image-card div,
.archive-card,
.speaker-card,
.event-detail-card,
.text-panel,
.payment-card {
  padding: 24px;
}

.image-card h3,
.archive-card h2,
.speaker-card h3,
.payment-card h3 {
  margin: 0 0 10px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-cloud span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid rgba(216, 177, 17, 0.36);
  border-radius: 999px;
  background: rgba(216, 177, 17, 0.1);
  font-weight: 750;
}

.page-hero,
.event-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 46px;
  align-items: center;
  min-height: 470px;
  padding: 70px max(20px, calc((100vw - 1160px) / 2));
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(216, 177, 17, 0.16), transparent 42%),
    var(--black);
}

.event-hero.image-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  grid-template-columns: 1fr;
}

.event-hero.image-hero::before,
.event-hero.image-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
}

.event-hero.image-hero::before {
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
  opacity: 0.5;
  filter: saturate(0.9) contrast(1.05);
}

.event-hero.image-hero::after {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.66) 52%, rgba(0, 0, 0, 0.28)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.64), transparent 58%);
}

.page-hero.compact {
  min-height: 390px;
}

.page-hero img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(216, 177, 17, 0.4);
}

.content-stack {
  display: grid;
  gap: 18px;
}

.clean-list {
  display: grid;
  gap: 11px;
  padding: 0;
  list-style: none;
}

.clean-list li {
  position: relative;
  padding-left: 24px;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.event-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(310px, 0.85fr);
  gap: 38px;
  align-items: start;
}

.event-identity {
  display: grid;
  grid-template-columns: minmax(240px, 0.45fr) minmax(0, 0.55fr);
  gap: 34px;
  align-items: center;
}

.event-identity h2 {
  margin: 0 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  line-height: 1.12;
}

.event-identity p {
  margin: 0;
  color: var(--muted);
}

.event-identity img {
  width: 100%;
  border: 1px solid rgba(216, 177, 17, 0.4);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.payment-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  gap: 34px;
  align-items: center;
}

.payment-section-copy {
  display: grid;
  gap: 20px;
}

.payment-section-copy h2 {
  margin: 0 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 38px;
  line-height: 1.12;
}

.payment-section-copy p {
  max-width: 660px;
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.payment-mini-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 470px;
  margin: 0;
}

.payment-mini-facts div {
  padding: 13px 14px;
  border: 1px solid rgba(216, 177, 17, 0.25);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
}

.payment-mini-facts dt {
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.payment-mini-facts dd {
  margin: 3px 0 0;
  color: var(--white);
  font-weight: 850;
}

.payment-action-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(216, 177, 17, 0.34);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
}

.payment-action-card img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
}

.payment-action-card > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 11px;
  padding: 24px;
}

.payment-action-card h3,
.payment-action-card p {
  margin: 0;
}

.payment-action-card h3 {
  font-size: 22px;
}

.payment-action-card p:not(.eyebrow) {
  color: var(--muted);
}

.payment-action-card .btn {
  width: fit-content;
  margin-top: 4px;
}

.payment-method-column,
.payment-options {
  display: grid;
  gap: 18px;
}

.bank-payment-card {
  box-shadow: var(--shadow);
}

.bank-payment-card > p:not(.eyebrow) {
  margin: 0 0 16px;
  color: var(--muted);
}

.bank-details,
.payment-reference {
  margin: 0;
}

.bank-details {
  display: grid;
  gap: 9px;
}

.bank-details div,
.payment-reference {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.payment-reference {
  margin: 0 0 12px;
  border-color: rgba(216, 177, 17, 0.38);
  background: rgba(216, 177, 17, 0.12);
}

.bank-details dt,
.payment-reference span {
  color: var(--gold-dark);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.bank-details dd,
.payment-reference strong {
  margin: 0;
  color: var(--ink);
  font-weight: 850;
}

.event-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0;
}

.event-facts div {
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(216, 177, 17, 0.12);
  border: 1px solid rgba(216, 177, 17, 0.28);
}

.event-facts dt {
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.featured-event .event-facts dt,
.event-hero .event-facts dt {
  color: var(--gold);
}

.event-facts dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.event-facts span {
  display: block;
  color: inherit;
  font-size: 12px;
  font-weight: 600;
}

.event-facts.small {
  grid-template-columns: 1fr 1fr;
}

.payment-card {
  color: var(--ink);
}

.featured-event .payment-card p,
.payment-band .payment-card p {
  color: var(--muted);
}

.featured-event .payment-card h3,
.payment-band .payment-card h3 {
  color: var(--ink);
}

.payment-card label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  font-weight: 800;
}

.payment-card input:not([type="image"]) {
  width: 100%;
  height: 48px;
  margin-bottom: 14px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.payment-card button {
  width: 100%;
}

.payfast-paynow-form {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.payfast-paynow-form label {
  margin: 0;
}

.payfast-paynow-form input[type="number"] {
  width: 120px;
  height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.payfast-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(216, 177, 17, 0.36);
  border-radius: 6px;
  background: rgba(216, 177, 17, 0.1);
}

.payfast-total-row span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.payfast-total-row strong {
  font-size: 20px;
  color: var(--ink);
}

.payment-card .payfast-button-image {
  display: block;
  width: auto;
  max-width: min(306px, 100%);
  height: auto;
  margin: 10px 0 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.registration-band {
  background: var(--white);
}

.registration-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  gap: 22px;
  align-items: start;
}

.registration-layout.success-layout {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.48fr);
}

.registration-card,
.registration-form {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.registration-card h2 {
  margin: 0 0 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  line-height: 1.14;
}

.registration-intro .event-facts {
  grid-template-columns: 1fr;
}

.registration-card p {
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13px;
  font-weight: 850;
}

.field label span {
  color: var(--gold-dark);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(216, 177, 17, 0.36);
  outline-offset: 2px;
}

.field-error,
.form-alert {
  margin: 0;
  color: #9a2f16;
  font-size: 13px;
  font-weight: 750;
}

.form-alert {
  margin: 16px 0 0;
  padding: 12px 14px;
  border: 1px solid rgba(154, 47, 22, 0.25);
  border-radius: 6px;
  background: rgba(154, 47, 22, 0.08);
}

.registration-form > .btn {
  width: 100%;
  margin-top: 18px;
}

.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.success-panel {
  background: var(--white);
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 24px 0 0;
}

.summary-list div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.summary-list dt {
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.summary-list dd {
  margin: 3px 0 0;
  font-weight: 800;
}

.muted-card {
  box-shadow: none;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 30px;
  margin: 0 0 16px;
  padding: 5px 10px;
  color: var(--black);
  background: var(--gold);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.speaker-profile {
  overflow: hidden;
  padding: 0;
  box-shadow: none;
}

.speaker-photo {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(135deg, #111, #352d08);
}

.speaker-photo img:not(.speaker-flag),
.speaker-placeholder {
  width: 100%;
  height: 100%;
}

.speaker-photo img:not(.speaker-flag) {
  object-fit: cover;
}

.speaker-placeholder {
  display: grid;
  place-items: center;
  color: var(--gold);
  background:
    radial-gradient(circle at 30% 20%, rgba(216, 177, 17, 0.22), transparent 32%),
    var(--black);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  font-weight: 800;
}

.speaker-flag {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 30px;
  padding: 2px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  font-size: 24px;
  line-height: 1;
  object-fit: cover;
  z-index: 2;
}

.speaker-bio {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 8px;
  padding: 18px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.92), rgba(0, 0, 0, 0.46));
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.speaker-profile:hover .speaker-bio,
.speaker-profile:focus-within .speaker-bio {
  opacity: 1;
  transform: translateY(0);
}

.speaker-bio h4,
.speaker-bio p {
  margin: 0;
}

.speaker-bio h4 {
  color: var(--gold);
  font-size: 16px;
  line-height: 1.25;
}

.speaker-bio p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  line-height: 1.45;
}

.speaker-copy {
  padding: 18px;
}

.speaker-copy h3 {
  margin: 0 0 8px;
}

.speaker-copy p {
  margin: 0;
  color: var(--muted);
}

.number-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.number-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.number-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--gold-dark);
  font-size: 28px;
  font-weight: 900;
}

.number-card p {
  margin: 0;
  color: var(--muted);
}

.audience-tags span {
  border-radius: var(--radius);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.download-card {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  text-decoration: none;
}

.download-card span {
  color: var(--gold-dark);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.download-card strong {
  font-size: 20px;
}

.agenda {
  display: grid;
  gap: 20px;
}

.agenda-day {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.agenda-day h3 {
  margin: 0;
  padding: 20px 22px;
  color: var(--black);
  background: var(--gold);
}

.agenda-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 18px 22px;
  border-top: 1px solid var(--line);
}

.agenda-item time {
  font-weight: 850;
}

.agenda-item h4 {
  margin: 0 0 4px;
}

.agenda-item p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  color: rgba(255, 255, 255, 0.78);
  background: var(--black);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr 1fr;
  gap: 30px;
  padding: 56px 0;
}

.footer-logo {
  width: 86px;
  margin-bottom: 14px;
}

.site-footer h2 {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 14px;
  text-transform: uppercase;
}

.site-footer h3 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 15px;
}

.site-footer address {
  margin: 0 0 16px;
  font-style: normal;
}

.site-footer a {
  display: block;
  margin: 8px 0;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.footer-bottom {
  padding: 18px 20px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(5, 5, 5, 0.16);
  border-radius: 50%;
  color: var(--black);
  background: var(--gold);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #f0ca29;
}

@media (max-width: 920px) {
  .site-header {
    min-height: 68px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px 18px;
    background: var(--black);
    border-bottom: 1px solid rgba(216, 177, 17, 0.35);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a,
  .nav-parent {
    padding: 13px 12px;
  }

  .nav-group {
    width: 100%;
  }

  .nav-parent {
    display: flex;
    justify-content: space-between;
  }

  .nav-dropdown {
    position: static;
    display: grid;
    gap: 2px;
    min-width: 0;
    padding: 0 0 0 12px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .nav-dropdown a {
    padding: 10px 12px;
    color: rgba(255, 255, 255, 0.72);
  }

  .hero {
    min-height: 620px;
  }

  .hero h1,
  .page-hero h1,
  .event-hero h1 {
    font-size: 42px;
  }

  .split,
  .page-hero,
  .event-feature,
  .event-identity,
  .payment-section,
  .registration-layout,
  .registration-layout.success-layout {
    grid-template-columns: 1fr;
  }

  .payment-action-card {
    grid-template-columns: 1fr;
  }

  .payment-action-card img {
    height: 260px;
  }

  .card-grid,
  .speaker-grid,
  .number-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .event-facts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .wrap,
  .hero-content {
    width: min(100% - 28px, 1160px);
  }

  .brand span {
    display: none;
  }

  .hero {
    min-height: 600px;
  }

  .hero h1,
  .page-hero h1,
  .event-hero h1 {
    font-size: 34px;
  }

  .hero p,
  .page-hero p,
  .event-hero p {
    font-size: 16px;
  }

  .section {
    padding: 58px 0;
  }

  .page-hero,
  .event-hero {
    padding: 46px 14px;
  }

  .page-hero img {
    height: 220px;
  }

  .card-grid,
  .archive-grid,
  .speaker-grid,
  .number-grid,
  .download-grid,
  .payment-mini-facts,
  .form-grid,
  .summary-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .payment-action-card .btn {
    width: 100%;
  }

  .agenda-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .speaker-bio {
    position: static;
    opacity: 1;
    transform: none;
    background: var(--black);
  }

  .button-row {
    align-items: stretch;
  }

  .button-row .btn {
    width: 100%;
  }
}