/* ============================================================
   RESET & BASE
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-light:  #E3E8F8;
  --c-mid:    #C0C5CD;
  --c-blue:   #3E588F;
  --c-navy:   #203562;
  --c-ink:    #0d1c3a;
  --c-white:  #ffffff;
  --font-head: 'Clash Display', sans-serif;
  --font-body: 'Satoshi', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--c-navy);
  background: var(--c-white);
  overflow-x: hidden;
}

::selection { background: var(--c-blue); color: white; }

/* ============================================================
   MAIN NAV
============================================================ */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 56px;
  background: linear-gradient(to bottom, rgba(13,28,58,0.6) 0%, rgba(13,28,58,0) 100%);
  transition: background 0.35s ease;
}

.main-nav.solid {
  background: var(--c-navy);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-logo img {
  height: 36px;
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
}

.nav-wordmark {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.7);
  line-height: 1.3;
  border-left: 1px solid rgba(255,255,255,0.2);
  padding-left: 12px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: white; }

.nav-register {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: white;
  background: var(--c-blue);
  padding: 10px 22px;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-register:hover { background: #2e4475; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  margin-left: 12px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  background: url('/assets/hero-bg.png') center center / cover no-repeat;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 88px 80px 96px;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(13, 28, 58, 0.18) 0%,
    rgba(13, 28, 58, 0.55) 45%,
    rgba(13, 28, 58, 0.93) 100%
  );
}

.hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--c-blue), var(--c-light));
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-org {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-org span {
  display: inline-block;
  width: 32px;
  height: 1px;
  background: rgba(255,255,255,0.35);
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-light);
  background: var(--c-blue);
  padding: 6px 14px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(48px, 7.5vw, 100px);
  line-height: 0.95;
  color: white;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.hero-title .iec {
  color: var(--c-light);
  opacity: 0.75;
}

.hero-theme {
  font-family: var(--font-body);
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: 400;
  font-style: italic;
  color: rgba(255,255,255,0.62);
  max-width: 560px;
  line-height: 1.55;
  margin-top: 22px;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 44px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding-right: 28px;
  margin-right: 28px;
  border-right: 1px solid rgba(255,255,255,0.2);
}

.hero-meta-item:last-child {
  border-right: none;
  margin-right: 0;
  padding-right: 0;
}

.hero-meta-item svg { opacity: 0.6; flex-shrink: 0; }

.hero-actions {
  display: flex;
  gap: 14px;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: white;
  background: var(--c-blue);
  padding: 16px 36px;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.btn-primary:hover { background: #2e4475; transform: translateY(-2px); }

.btn-ghost {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: white;
  border: 1.5px solid rgba(255,255,255,0.4);
  padding: 16px 36px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}

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

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 80px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}

.hero-scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

/* ============================================================
   STATS STRIP
============================================================ */
.stats-strip {
  background: var(--c-navy);
  padding: 56px 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 0 48px;
  border-left: 1px solid rgba(255,255,255,0.1);
}

.stat:first-child { border-left: none; padding-left: 0; }
.stat:last-child { padding-right: 0; }

.stat-num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 60px;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   SECTION BASE
============================================================ */
.section {
  padding: 96px 80px;
}

.section-light { background: var(--c-light); }
.section-dark  { background: var(--c-navy); color: white; }
.section-ink   { background: var(--c-ink); color: white; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 14px;
}

.section-dark .eyebrow,
.section-ink  .eyebrow { color: rgba(255,255,255,0.45); }

.section-heading {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--c-navy);
}

.section-dark .section-heading,
.section-ink  .section-heading { color: white; }

/* ============================================================
   ABOUT
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 80px;
  align-items: start;
}

.objectives {
  margin-top: 40px;
  border-top: 1px solid var(--c-mid);
}

.obj-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-mid);
}

.obj-num {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-blue);
  opacity: 0.55;
  min-width: 26px;
  padding-top: 2px;
}

.obj-text {
  font-family: var(--font-body);
  font-size: 15px;
  color: #3d4a60;
  line-height: 1.6;
}

.about-body p {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  color: #4a5568;
  margin-bottom: 22px;
}

.about-body p:last-child { margin-bottom: 0; }

.quick-facts {
  margin-top: 48px;
  border-top: 1px solid var(--c-mid);
  padding-top: 36px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.fact-card {
  background: var(--c-light);
  padding: 28px 24px;
  border-left: 3px solid var(--c-blue);
}

.fact-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 8px;
}

.fact-value {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 22px;
  color: var(--c-navy);
  line-height: 1.25;
}

.fact-sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: #888;
  margin-top: 4px;
}

/* ============================================================
   PROGRAMME
============================================================ */
.day-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--c-mid);
}

.day-btn {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  color: var(--c-mid);
  padding: 14px 32px;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  background: none;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.day-btn.active {
  color: var(--c-navy);
  border-bottom-color: var(--c-navy);
}

.day-panel { display: none; }
.day-panel.active { display: block; }

.schedule-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.schedule {
  width: 100%;
  border-collapse: collapse;
}

.schedule tr { border-bottom: 1px solid #eaecf2; }
.schedule tr:last-child { border-bottom: none; }

.schedule td {
  padding: 18px 14px;
  vertical-align: top;
}

.sc-time {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-blue);
  white-space: nowrap;
  min-width: 155px;
  padding-top: 20px;
}

.sc-title {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-navy);
  line-height: 1.45;
}

.sc-title.bold { font-weight: 700; }

.sc-speaker {
  font-family: var(--font-body);
  font-size: 13px;
  color: #777;
  min-width: 180px;
  line-height: 1.5;
}

.badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  margin-bottom: 6px;
  margin-right: 4px;
}

.badge-keynote  { background: var(--c-navy); color: white; }
.badge-panel    { background: var(--c-light); color: var(--c-navy); }
.badge-break    { background: #f4f4f4; color: #888; }
.badge-workshop { background: #e6f0e6; color: #2d5a2d; }
.badge-closing  { background: var(--c-blue); color: white; }

/* ============================================================
   SPEAKERS
============================================================ */
.spk-section { padding: 0 !important; }
.spk-header { padding: 72px 60px 44px; }

.spk-panels {
  display: flex;
  height: 80vh;
  min-height: 520px;
  gap: 2px;
}

.spk-panel {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.52s cubic-bezier(0.4, 0, 0.2, 1);
}

.spk-panel:hover { flex: 1.6; }

.spk-panel-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  -webkit-filter: saturate(0.72) contrast(1.1);
  filter: saturate(0.72) contrast(1.1);
  transition: transform 0.52s ease, filter 0.4s ease;
}

.spk-panel:hover .spk-panel-img {
  transform: scale(1.05);
  -webkit-filter: saturate(1) contrast(1.04);
  filter: saturate(1) contrast(1.04);
}

.spk-panel-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(8,14,28,0.95) 0%,
    rgba(8,14,28,0.55) 38%,
    rgba(8,14,28,0.0) 68%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 22px 30px;
}

.spk-num {
  position: absolute;
  top: 16px;
  left: 16px;
  font-family: var(--font-head);
  font-size: 96px;
  font-weight: 700;
  color: rgba(255,255,255,0.055);
  line-height: 1;
  user-select: none;
  pointer-events: none;
  transition: color 0.4s ease;
}

.spk-panel:hover .spk-num { color: rgba(255,255,255,0.1); }

.spk-chip {
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.32);
  margin-bottom: 9px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.28s ease 0.06s, transform 0.28s ease 0.06s;
}

.spk-panel:hover .spk-chip { opacity: 1; transform: none; }

.spk-panel-name {
  font-family: var(--font-head);
  font-size: clamp(14px, 1.35vw, 21px);
  font-weight: 700;
  color: white;
  line-height: 1.15;
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spk-panel-role {
  font-family: var(--font-body);
  font-size: 11.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.52);
  margin-bottom: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spk-panel-topic {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-style: italic;
  color: rgba(255,255,255,0.4);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  margin-top: 0;
  transition: max-height 0.38s ease, margin-top 0.3s ease;
}

.spk-panel:hover .spk-panel-topic {
  max-height: 72px;
  margin-top: 10px;
}

.spk-panel-placeholder {
  width: 100%;
  height: 100%;
  background: #080e1c;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spk-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 60px 60px;
  border-top: 1px solid rgba(255,255,255,0.07);
  margin-top: 40px;
}

.spk-footer-text {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
}

.spk-footer-text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 17px;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  margin-bottom: 2px;
}

/* ============================================================
   LOGOS
============================================================ */
.logos-section {
  background: white;
  padding: 64px 60px;
  text-align: center;
  border-top: 1px solid #eaecf2;
}

.logos-eyebrow {
  font-family: var(--font-body);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 48px;
}

.logos-tier { margin-bottom: 44px; }
.logos-tier:last-child { margin-bottom: 0; }

.logos-tier-label {
  font-family: var(--font-body);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-mid);
  margin-bottom: 16px;
}

.logos-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  align-items: center;
}

.logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 28px;
}

.logo-cell img {
  display: block;
  object-fit: contain;
  -webkit-filter: grayscale(1) opacity(0.45);
  filter: grayscale(1) opacity(0.45);
  transition: filter 0.22s;
}

.logo-cell:hover img {
  -webkit-filter: grayscale(0) opacity(1);
  filter: grayscale(0) opacity(1);
}

.logo-cell.presenting img { width: 200px; height: 68px; }
.logo-cell.gold img        { width: 150px; height: 52px; }
.logo-cell.supporting img  { width: 130px; height: 44px; }
.logo-cell.community img   { width: 115px; height: 38px; }

/* ============================================================
   VENUE
============================================================ */
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.venue-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.venue-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  -webkit-filter: brightness(0.82) saturate(1.1);
  filter: brightness(0.82) saturate(1.1);
}

.venue-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(32px, 3.5vw, 48px);
  color: white;
  line-height: 1.1;
  margin-top: 24px;
  margin-bottom: 20px;
}

.venue-desc {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(255,255,255,0.58);
  line-height: 1.75;
  margin-bottom: 44px;
}

.venue-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.vf-item {
  padding: 20px 24px 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.vf-item:nth-child(even) { padding-left: 24px; padding-right: 0; border-left: 1px solid rgba(255,255,255,0.08); }

.vf-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 5px;
}

.vf-value {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: white;
  line-height: 1.4;
}

/* ============================================================
   SPONSORSHIP
============================================================ */
.sponsor-intro {
  max-width: 580px;
  font-family: var(--font-body);
  font-size: 18px;
  color: #5a6580;
  line-height: 1.65;
  margin-top: 20px;
  margin-bottom: 56px;
}

.sponsor-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.tier-card {
  border: 1px solid var(--c-mid);
  padding: 40px 36px;
  position: relative;
}

.tier-card.featured {
  background: var(--c-navy);
  border-color: var(--c-navy);
}

.tier-badge {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 12px;
}

.tier-card.featured .tier-badge { color: rgba(255,255,255,0.45); }

.tier-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 28px;
  text-transform: uppercase;
  color: var(--c-navy);
  margin-bottom: 4px;
}

.tier-card.featured .tier-name { color: white; }

.tier-amount {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 38px;
  color: var(--c-blue);
  margin-bottom: 28px;
  border-bottom: 1px solid var(--c-mid);
  padding-bottom: 24px;
}

.tier-card.featured .tier-amount {
  color: var(--c-light);
  border-bottom-color: rgba(255,255,255,0.1);
}

.tier-perks { list-style: none; }

.tier-perks li {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: #4a5568;
  padding: 10px 0;
  border-top: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tier-card.featured .tier-perks li {
  color: rgba(255,255,255,0.75);
  border-top-color: rgba(255,255,255,0.08);
}

.tier-perks li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--c-blue);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

.tier-card.featured .tier-perks li::before { background: var(--c-light); }

.tier-cta {
  display: block;
  margin-top: 28px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
  text-decoration: none;
  padding: 12px 0;
  border-top: 1px solid var(--c-mid);
  transition: color 0.2s;
}

.tier-card.featured .tier-cta {
  color: var(--c-light);
  border-top-color: rgba(255,255,255,0.1);
}

.tier-cta:hover { color: var(--c-navy); }
.tier-card.featured .tier-cta:hover { color: white; }

/* ============================================================
   CONTACT
============================================================ */
.contact-wrap {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 96px;
  align-items: center;
}

.contact-heading {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(52px, 6vw, 80px);
  color: white;
  text-transform: uppercase;
  line-height: 0.95;
}

.contact-sub {
  font-family: var(--font-body);
  font-size: 16px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  margin-top: 22px;
  max-width: 340px;
}

.contact-items { display: flex; flex-direction: column; gap: 28px; }

.ci-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 5px;
}

.ci-value {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  color: white;
  text-decoration: none;
  line-height: 1.45;
  display: block;
}

a.ci-value:hover { color: var(--c-light); }

.contact-cta {
  margin-top: 8px;
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: white;
  background: var(--c-blue);
  padding: 16px 36px;
  text-decoration: none;
  transition: background 0.2s;
}

.contact-cta:hover { background: #2e4475; }

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: #060e1e;
  padding: 36px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-logo img {
  height: 28px;
  -webkit-filter: brightness(0) invert(1);
  filter: brightness(0) invert(1);
  opacity: 0.3;
}

.footer-text {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.04em;
}

/* ============================================================
   SCROLL REVEAL
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .main-nav { padding: 0 32px; }
  .nav-links { gap: 20px; }
  .hero { padding: 88px 48px 72px; }
  .section { padding: 72px 48px; }
  .stats-strip { padding: 40px 48px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .venue-grid { grid-template-columns: 1fr; gap: 40px; }
  .sponsor-tiers { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  .page-hero { padding: 120px 48px 56px; }
  .spk-header { padding: 56px 40px 32px; }
}

@media (max-width: 768px) {
  .main-nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 88px 24px 64px; }
  .hero-scroll { right: 24px; }
  .section { padding: 56px 24px; }
  .stats-strip { padding: 32px 24px; grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stat { padding: 0 0 0 24px; }
  .stat:first-child { padding-left: 0; }
  .stat:nth-child(3) { border-left: none; padding-left: 0; }
  .spk-panels { height: auto; min-height: unset; flex-direction: column; }
  .spk-panel { flex: none; height: 220px; }
  .spk-panel:hover { flex: none; }
  .sponsor-tiers { grid-template-columns: 1fr; }
  .footer { padding: 24px; flex-direction: column; align-items: flex-start; }
  .logos-section { padding: 40px 24px; }
  .page-hero { padding: 100px 24px 48px; }
  .spk-header { padding: 48px 24px 28px; }
  .sponsor-intro { font-size: 16px; }
  .sc-speaker { display: none; }
  .sc-time { min-width: unset; white-space: normal; }
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-navy);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 15px;
  }
}

/* ============================================================
   PAGE HERO (inner pages — register, news, etc.)
============================================================ */
.page-hero {
  padding: 140px 80px 72px;
  background: var(--c-white);
}
.page-hero--light { background: var(--c-light); }
.page-hero--dark  { background: var(--c-ink); }

.page-hero-inner { max-width: 780px; }

.page-hero-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(44px, 6vw, 80px);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--c-navy);
  margin-top: 10px;
}
.page-hero--dark .page-hero-title { color: white; }

.page-hero-sub {
  font-family: var(--font-body);
  font-size: 17px;
  color: #5a6a85;
  line-height: 1.7;
  max-width: 560px;
  margin-top: 18px;
}

/* ============================================================
   REGISTRATION FORM
============================================================ */
.form-section {
  padding: 64px 80px 96px;
  background: var(--c-white);
}

.form-wrap { max-width: 760px; }

.reg-form { display: flex; flex-direction: column; gap: 20px; }

.rf-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.rf-group { display: flex; flex-direction: column; gap: 8px; }
.rf-group.rf-error .rf-input { border-color: #c0392b; }

.rf-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-navy);
}

.rf-opt {
  font-weight: 400;
  color: var(--c-mid);
  text-transform: none;
  letter-spacing: 0;
}

.rf-input {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--c-navy);
  background: var(--c-white);
  border: 1.5px solid var(--c-mid);
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.rf-input:focus { border-color: var(--c-blue); }

.rf-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%23203562'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; cursor: pointer; }

.rf-textarea { resize: vertical; min-height: 80px; }
.rf-textarea--tall { min-height: 280px; font-family: var(--font-body); font-size: 14px; }

.rf-msg {
  font-family: var(--font-body);
  font-size: 12px;
  color: #c0392b;
  margin-top: 2px;
}

.rf-global-error {
  background: #fdf0ef;
  border-left: 3px solid #c0392b;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  color: #c0392b;
  margin-bottom: 8px;
}

.rf-footer {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding-top: 8px;
  flex-wrap: wrap;
}

.rf-note {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--c-mid);
  line-height: 1.6;
  flex: 1;
  min-width: 220px;
}

.rf-submit { flex-shrink: 0; }

.rf-check-label {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--c-navy);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

/* ============================================================
   NEWS PAGES
============================================================ */
.news-section { padding: 64px 80px 96px; }

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 32px;
}

.news-card {
  border: 1px solid var(--c-mid);
  display: flex;
  flex-direction: column;
}

.news-card-img-wrap { display: block; overflow: hidden; aspect-ratio: 16/9; }
.news-card-img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s ease; }
.news-card-img-wrap:hover .news-card-img { transform: scale(1.04); }

.news-card-body { padding: 28px 24px; display: flex; flex-direction: column; flex: 1; }

.news-card-date {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 10px;
}

.news-card-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  color: var(--c-navy);
  line-height: 1.2;
  margin-bottom: 12px;
}

.news-card-title a { color: inherit; text-decoration: none; }
.news-card-title a:hover { color: var(--c-blue); }

.news-card-excerpt {
  font-family: var(--font-body);
  font-size: 15px;
  color: #5a6a85;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 20px;
}

.news-card-link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
  text-decoration: none;
}
.news-card-link:hover { color: var(--c-navy); }

.news-empty {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-mid);
  grid-column: 1 / -1;
  padding: 48px 0;
}

/* article detail */
.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 120px 80px 96px;
}

.article-back {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-blue);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 28px;
}
.article-back:hover { color: var(--c-navy); }

.article-date {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-blue);
  display: block;
  margin-bottom: 14px;
}

.article-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  color: var(--c-navy);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.article-excerpt {
  font-family: var(--font-body);
  font-size: 20px;
  color: #5a6a85;
  line-height: 1.65;
  border-top: 1px solid var(--c-mid);
  border-bottom: 1px solid var(--c-mid);
  padding: 20px 0;
  margin-bottom: 36px;
}

.article-cover { margin-bottom: 40px; }
.article-cover img { width: 100%; display: block; }

.article-body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.78;
  color: #3d4a60;
}
.article-body h2 { font-family: var(--font-head); font-size: 28px; color: var(--c-navy); margin: 40px 0 16px; }
.article-body h3 { font-family: var(--font-head); font-size: 22px; color: var(--c-navy); margin: 32px 0 12px; }
.article-body p  { margin-bottom: 20px; }
.article-body a  { color: var(--c-blue); }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 20px; }
.article-body li { margin-bottom: 8px; }
.article-body img { max-width: 100%; display: block; margin: 28px 0; }
.article-body blockquote { border-left: 3px solid var(--c-blue); margin: 28px 0; padding: 4px 24px; color: #5a6a85; }

/* ============================================================
   ADMIN PANEL
============================================================ */
.admin-body {
  background: #0d1220;
  min-height: 100vh;
}

.admin-shell {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #0a0f1c;
  border-right: 1px solid rgba(255,255,255,0.06);
  display: flex;
  flex-direction: column;
  padding: 32px 0 24px;
  position: fixed;
  top: 0; left: 0; bottom: 0;
}

.admin-brand {
  padding: 0 24px 28px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 12px;
}

.admin-brand-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: white;
  display: block;
}

.admin-brand-sub {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  display: block;
  margin-top: 4px;
}

.admin-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; flex: 1; }

.admin-nav-link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
}
.admin-nav-link:hover { color: white; background: rgba(255,255,255,0.06); }
.admin-nav-link.active { color: white; background: var(--c-blue); }

.admin-logout-form { padding: 0 12px; }
.admin-logout-btn {
  width: 100%;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 10px 12px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  border-radius: 4px;
}
.admin-logout-btn:hover { color: white; border-color: rgba(255,255,255,0.3); }

.admin-main {
  flex: 1;
  margin-left: 220px;
  background: #111826;
  min-height: 100vh;
}

.admin-content { padding: 40px 48px; max-width: 1200px; }

/* page header */
.adm-page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 32px;
  gap: 16px;
}
.adm-page-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 32px;
  color: white;
}
.adm-page-sub {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.adm-section-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 16px;
}

/* stat cards */
.adm-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 16px;
}
.adm-stat {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 24px 20px;
}
.adm-stat-value {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 40px;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
}
.adm-stat-label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.adm-stat-sub {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255,255,255,0.2);
  margin-top: 4px;
}

/* quick links */
.adm-quick-links {
  display: flex;
  gap: 12px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.adm-quick-link {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-light);
  background: rgba(62,88,143,0.35);
  border: 1px solid rgba(62,88,143,0.6);
  padding: 10px 18px;
  text-decoration: none;
  transition: background 0.15s;
}
.adm-quick-link:hover { background: var(--c-blue); }

/* filter bar */
.adm-filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.adm-filter-select { max-width: 180px; background: #1a2236; color: white; border-color: rgba(255,255,255,0.12); }
.adm-filter-count {
  font-family: var(--font-body);
  font-size: 13px;
  color: rgba(255,255,255,0.3);
  margin-left: auto;
}

/* buttons */
.adm-btn-sm {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: white;
  background: var(--c-blue);
  border: 1px solid var(--c-blue);
  padding: 8px 16px;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
  display: inline-block;
}
.adm-btn-sm:hover { background: #2e4475; }
.adm-btn-ghost { background: transparent; color: rgba(255,255,255,0.5); border-color: rgba(255,255,255,0.15); }
.adm-btn-ghost:hover { background: rgba(255,255,255,0.06); color: white; }

/* table */
.adm-table-wrap { overflow-x: auto; }
.adm-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 13px;
}
.adm-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  white-space: nowrap;
}
.adm-table td {
  padding: 12px 12px;
  color: rgba(255,255,255,0.7);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  vertical-align: middle;
}
.adm-table tr:last-child td { border-bottom: none; }
.adm-table tr:hover td { background: rgba(255,255,255,0.02); }
.adm-td-date { white-space: nowrap; color: rgba(255,255,255,0.35) !important; }
.adm-empty { color: rgba(255,255,255,0.25) !important; padding: 32px 12px !important; }
.adm-link { color: var(--c-light); text-decoration: none; }
.adm-link:hover { color: white; text-decoration: underline; }
.adm-slug { font-size: 11px; color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.06); padding: 2px 6px; }

/* badges */
.adm-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  display: inline-block;
}
.adm-badge--green  { background: rgba(39,174,96,0.15);  color: #2ecc71; }
.adm-badge--yellow { background: rgba(241,196,15,0.12); color: #f1c40f; }
.adm-badge--red    { background: rgba(192,57,43,0.15);  color: #e74c3c; }

/* mini form controls in table */
.adm-mini-select {
  font-family: var(--font-body);
  font-size: 12px;
  background: #1a2236;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 4px 8px;
  appearance: none;
  -webkit-appearance: none;
}
.adm-mini-btn {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.adm-mini-btn:hover { background: rgba(255,255,255,0.12); color: white; }
.adm-mini-btn--danger:hover { background: rgba(192,57,43,0.25); color: #e74c3c; border-color: rgba(192,57,43,0.4); }

/* admin form */
.adm-form { display: flex; flex-direction: column; gap: 20px; max-width: 800px; }
.adm-form .rf-input { background: #1a2236; color: white; border-color: rgba(255,255,255,0.12); }
.adm-form .rf-input:focus { border-color: var(--c-blue); }
.adm-form .rf-label { color: rgba(255,255,255,0.6); }
.adm-form .rf-check-label { color: rgba(255,255,255,0.6); }

/* admin alert */
.admin-alert {
  background: rgba(192,57,43,0.15);
  border-left: 3px solid #e74c3c;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: #e74c3c;
  margin-bottom: 20px;
}

/* admin login page */
.admin-login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--c-ink); }
.admin-login-wrap { width: 100%; max-width: 400px; padding: 24px; }
.admin-login-card { background: #111826; border: 1px solid rgba(255,255,255,0.08); padding: 40px; }
.admin-login-brand { margin-bottom: 28px; }
.admin-login-form { display: flex; flex-direction: column; gap: 16px; }
.admin-login-form .rf-input { background: #1a2236; color: white; border-color: rgba(255,255,255,0.12); }
.admin-login-form .rf-input:focus { border-color: var(--c-blue); }
.admin-login-form .rf-label { color: rgba(255,255,255,0.5); }

/* responsive admin */
@media (max-width: 768px) {
  .admin-sidebar { width: 100%; position: relative; height: auto; flex-direction: row; flex-wrap: wrap; padding: 16px; gap: 8px; }
  .admin-brand { padding: 0; border: none; margin: 0; }
  .admin-nav { flex-direction: row; padding: 0; }
  .admin-main { margin-left: 0; }
  .admin-content { padding: 24px 16px; }
  .rf-grid-2 { grid-template-columns: 1fr; }
  .form-section { padding: 40px 24px 64px; }
  .page-hero { padding: 100px 24px 48px; }
  .news-section { padding: 40px 24px 64px; }
  .article-wrap { padding: 100px 24px 64px; }
}