/* ================================================================
   SEnREDD 2026 — Charte Graphique Institutionnelle & Scientifique
   Palette : Vert + Bleu + Blanc
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Merriweather:wght@400;700;900&family=Source+Sans+3:wght@300;400;600;700&display=swap');

/* ---- Variables ---- */
:root {
  --blue-dark:   #0A3060;
  --blue-mid:    #1A5C9A;
  --blue-light:  #2980B9;
  --blue-pale:   #D6E8F7;
  --green-dark:  #0E5C30;
  --green-mid:   #1A7A40;
  --green-light: #27AE60;
  --green-pale:  #E8F5ED;
  --white:       #FFFFFF;
  --off-white:   #F5F9F6;
  --text-dark:   #1B2631;
  --text-mid:    #4A5568;
  --text-light:  #718096;
  --gold:        #C9960C;
  --border:      #CBD5E0;
}

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Sans 3', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--white);
}
h1,h2,h3,h4,h5 {
  font-family: 'Merriweather', Georgia, serif;
  line-height: 1.25;
  color: var(--blue-dark);
  margin-bottom: .75rem;
}
a { color: var(--blue-mid); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-light); }
p { margin-bottom: 1rem; }
img { max-width: 100%; height: auto; }

/* ---- Utilities ---- */
.section-tag {
  display: inline-block;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px; font-weight: 700;
  letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--green-mid);
  border-left: 3px solid var(--green-light);
  padding-left: 10px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 1.9rem; font-weight: 900;
  color: var(--blue-dark); margin-bottom: 10px;
}
.section-title span { color: var(--green-mid); }
.section-divider {
  display: block; width: 56px; height: 3px; border: none;
  background: linear-gradient(90deg, var(--green-light), var(--blue-light));
  margin: 0 0 28px 0;
}
.section-main  { padding: 88px 0; background: var(--white); }
.section-alt   { padding: 88px 0; background: var(--off-white); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .55s ease, transform .55s ease; }
.reveal.revealed { opacity: 1; transform: none; }

/* ---- Buttons ---- */
.btn-green {
  background: var(--green-mid); color: #fff;
  border: 2px solid var(--green-mid);
  padding: 12px 30px; font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  border-radius: 4px; transition: all .25s; display: inline-block; cursor: pointer;
}
.btn-green:hover { background: var(--green-dark); border-color: var(--green-dark); color: #fff; }

.btn-blue {
  background: var(--blue-dark); color: #fff;
  border: 2px solid var(--blue-dark);
  padding: 12px 30px; font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  border-radius: 4px; transition: all .25s; display: inline-block; cursor: pointer;
}
.btn-blue:hover { background: var(--blue-mid); border-color: var(--blue-mid); color: #fff; }

.btn-outline-white {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.55);
  padding: 12px 30px; font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  border-radius: 4px; transition: all .25s; display: inline-block;
}
.btn-outline-white:hover { border-color: #fff; background: rgba(255,255,255,.1); color: #fff; }

/* ---- Top Bar ---- */
#top-bar {
  background: var(--blue-dark);
  color: rgba(255,255,255,.72);
  font-size: 12.5px; padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
#top-bar a { color: rgba(255,255,255,.82); }
#top-bar a:hover { color: var(--green-light); }
#top-bar .sep { margin: 0 10px; opacity: .3; }
#top-bar i { margin-right: 5px; color: var(--green-light); }

/* ---- Navbar ---- */
#main-nav {
  background: var(--blue-dark);
  position: sticky; top: 0; z-index: 1050;
  box-shadow: 0 2px 18px rgba(10,48,96,.28);
  border-bottom: 3px solid var(--green-mid);
  padding: 0;
}
.navbar-brand { padding: 6px 0; display: flex; align-items: center; gap: 10px; }
.navbar-brand img { height: 52px; width: auto; mix-blend-mode: screen; }
.brand-texts { display: flex; flex-direction: column; line-height: 1.2; }
.brand-texts .brand-acronym {
  font-family: 'Merriweather', serif;
  font-size: 17px; font-weight: 900; color: #fff; letter-spacing: .5px;
}
.brand-texts .brand-sub { font-size: 11px; color: var(--green-light); font-weight: 600; }

#main-nav .navbar-nav .nav-link {
  color: rgba(255,255,255,.85) !important;
  font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px;
  padding: 20px 11px !important;
  border-bottom: 3px solid transparent; transition: all .2s;
}
#main-nav .navbar-nav .nav-link:hover,
#main-nav .navbar-nav .nav-link.active {
  color: #fff !important; border-bottom-color: var(--green-light);
  background: rgba(39,174,96,.09);
}
#main-nav .navbar-nav .dropdown-menu {
  background: var(--blue-dark); border: none;
  border-top: 3px solid var(--green-mid);
  border-radius: 0 0 8px 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
  padding: 6px 0; margin-top: 0;
}
#main-nav .navbar-nav .dropdown-item {
  color: rgba(255,255,255,.78);
  font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .7px;
  padding: 11px 20px; transition: all .2s;
}
#main-nav .navbar-nav .dropdown-item:hover {
  background: rgba(39,174,96,.15); color: var(--green-light);
}
.navbar-toggler {
  border-color: rgba(255,255,255,.3); padding: 6px 10px;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2C255%2C255%2C0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255%2C255%2C255%2C0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ---- Page Header (inner pages) ---- */
.page-header {
  background: linear-gradient(135deg, var(--blue-dark) 0%, #0E4A28 100%);
  padding: 58px 0 46px; position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 44px 44px;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
  font-family: 'Merriweather', serif;
  font-size: 2rem; font-weight: 900; color: #fff; margin-bottom: 8px;
}
.page-header p.subtitle { font-size: 14.5px; color: rgba(255,255,255,.68); margin: 0; }
.page-header .breadcrumb { background: none; padding: 0; margin-bottom: 12px; font-size: 12.5px; }
.page-header .breadcrumb-item { color: rgba(255,255,255,.55); }
.page-header .breadcrumb-item a { color: var(--green-light); }
.page-header .breadcrumb-item.active { color: rgba(255,255,255,.85); }
.page-header .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.35); }

/* ---- HERO (index only) ---- */
#hero {
  min-height: 92vh;
  background: linear-gradient(135deg, var(--blue-dark) 0%, #0B4A22 55%, #1A4A7A 100%);
  display: flex; align-items: center; position: relative; overflow: hidden;
}
#hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 50px 50px;
}
.hero-circle {
  position: absolute; right: -160px; top: -160px;
  width: 640px; height: 640px; border-radius: 50%;
  background: rgba(39,174,96,.055); border: 1.5px solid rgba(39,174,96,.13);
  pointer-events: none;
}
.hero-circle-2 {
  position: absolute; left: -100px; bottom: -100px;
  width: 420px; height: 420px; border-radius: 50%;
  background: rgba(41,128,185,.055); border: 1.5px solid rgba(41,128,185,.13);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; padding: 80px 0 60px; }

.hero-edition-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(39,174,96,.15); border: 1px solid rgba(39,174,96,.4);
  border-radius: 20px; padding: 6px 18px;
  font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
  color: var(--green-light); margin-bottom: 22px;
}
.hero-logo-img {
  width: 120px; height: 120px; mix-blend-mode: screen;
  margin-bottom: 18px; display: block;
}
.hero-acronym {
  font-family: 'Merriweather', serif;
  font-size: 4rem; font-weight: 900; color: #fff;
  line-height: 1; margin-bottom: 4px; letter-spacing: -1px;
}
.hero-acronym em { font-style: normal; color: var(--green-light); }
.hero-conf-title {
  font-family: 'Merriweather', serif;
  font-size: 1.2rem; font-weight: 700; color: rgba(255,255,255,.90);
  line-height: 1.45; margin-bottom: 10px;
  border-left: 4px solid var(--green-light); padding-left: 16px;
}
.hero-theme {
  font-size: 13.5px; color: rgba(255,255,255,.6); font-style: italic;
  padding-left: 20px; margin-bottom: 26px; line-height: 1.55;
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }
.hero-meta-chip {
  display: flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 30px; padding: 7px 16px;
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,.88);
}
.hero-meta-chip i { color: var(--green-light); }
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 50px; }

/* Countdown */
.hero-countdown-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: rgba(255,255,255,.45);
  margin-bottom: 12px; display: block;
}
.hero-countdown { display: flex; gap: 10px; flex-wrap: wrap; }
.countdown-box {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px; padding: 14px 18px; text-align: center; min-width: 80px;
}
.countdown-num {
  font-family: 'Merriweather', serif;
  font-size: 2.1rem; font-weight: 900; color: #fff; display: block; line-height: 1;
}
.countdown-label {
  font-size: 9.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.5px; color: var(--green-light); display: block; margin-top: 5px;
}

/* Right panel in hero */
.hero-right-panel {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px; padding: 28px 24px; position: relative; z-index: 2;
}
.hero-right-panel h4 {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 2px; color: var(--green-light); margin-bottom: 16px;
}
.deadline-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.07);
}
.deadline-item:last-child { border-bottom: none; padding-bottom: 0; }
.deadline-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green-light);
  flex-shrink: 0; margin-top: 6px;
}
.deadline-dot.blue { background: var(--blue-light); }
.deadline-dot.gold { background: var(--gold); }
.deadline-title { font-size: 13px; font-weight: 700; color: rgba(255,255,255,.9); }
.deadline-date { font-size: 12px; color: var(--green-light); font-weight: 600; }

/* ---- Key Numbers ---- */
#key-numbers {
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-mid));
  padding: 38px 0;
}
.kn-item { text-align: center; padding: 10px 6px; }
.kn-num {
  font-family: 'Merriweather', serif;
  font-size: 2.3rem; font-weight: 900; color: var(--green-light);
  display: block; line-height: 1;
}
.kn-label {
  font-size: 11.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; color: rgba(255,255,255,.65); margin-top: 5px; display: block;
}
.kn-sep { border-right: 1px solid rgba(255,255,255,.12); margin: 6px 0; }

/* ---- Theme Cards ---- */
.theme-card {
  background: var(--white); border-radius: 10px;
  padding: 30px 24px; height: 100%;
  box-shadow: 0 2px 16px rgba(10,48,96,.07);
  border-top: 4px solid var(--blue-mid);
  transition: all .3s; position: relative; overflow: hidden;
}
.theme-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: var(--green-mid);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.theme-card:hover { transform: translateY(-6px); box-shadow: 0 10px 30px rgba(10,48,96,.13); }
.theme-card:hover::after { transform: scaleX(1); }
.theme-card .axis-num-bg {
  font-family: 'Merriweather', serif; font-size: 3.5rem; font-weight: 900;
  color: rgba(10,48,96,.06); line-height: 1; margin-bottom: 4px; display: block;
}
.theme-icon-wrap {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 19px; color: #fff; margin-bottom: 14px;
}
.bg-blue  { background: linear-gradient(135deg, var(--blue-dark), var(--blue-light)); }
.bg-green { background: linear-gradient(135deg, var(--green-dark), var(--green-light)); }
.bg-teal  { background: linear-gradient(135deg, #0E7490, #22D3EE); }
.bg-earth { background: linear-gradient(135deg, #92400E, #D97706); }
.theme-card h4 {
  font-family: 'Merriweather', serif; font-size: 14.5px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 8px;
}
.theme-card p { font-size: 13px; color: var(--text-mid); margin: 0; line-height: 1.6; }

/* ---- Timeline ---- */
.timeline-wrap {
  background: var(--blue-dark); border-radius: 12px;
  padding: 40px 36px; position: relative; overflow: hidden;
}
.timeline-wrap::before {
  content: ''; position: absolute; right: -60px; top: -60px;
  width: 260px; height: 260px; border-radius: 50%;
  background: rgba(39,174,96,.07); border: 1px solid rgba(39,174,96,.12);
}
.timeline-item {
  display: flex; gap: 18px; padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  align-items: flex-start; position: relative; z-index: 1;
}
.timeline-item:last-child { border-bottom: none; padding-bottom: 0; }
.timeline-item:first-child { padding-top: 0; }
.timeline-dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--green-light);
  flex-shrink: 0; margin-top: 5px; box-shadow: 0 0 0 3px rgba(39,174,96,.2);
}
.timeline-dot.blue { background: var(--blue-light); box-shadow: 0 0 0 3px rgba(41,128,185,.2); }
.timeline-dot.gold { background: var(--gold); box-shadow: 0 0 0 3px rgba(201,150,12,.2); }
.timeline-dot.red  { background: #E74C3C; box-shadow: 0 0 0 3px rgba(231,76,60,.2); }
.timeline-date {
  font-family: 'Merriweather', serif; font-size: 12.5px; font-weight: 700;
  color: var(--green-light); white-space: nowrap; min-width: 138px;
}
.timeline-title { font-size: 13.5px; font-weight: 700; color: rgba(255,255,255,.92); margin-bottom: 1px; }
.timeline-note { font-size: 12px; color: rgba(255,255,255,.45); }

/* ---- Speaker Cards ---- */
.speaker-card {
  background: var(--white); border-radius: 10px; overflow: hidden;
  box-shadow: 0 2px 16px rgba(10,48,96,.08); transition: all .3s; text-align: center;
}
.speaker-card:hover { transform: translateY(-5px); box-shadow: 0 10px 28px rgba(10,48,96,.14); }
.speaker-photo-bg {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
  height: 155px; display: flex; align-items: center; justify-content: center; position: relative;
}
.speaker-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: rgba(255,255,255,.12); border: 3px solid rgba(255,255,255,.28);
  display: flex; align-items: center; justify-content: center;
  font-size: 34px; color: rgba(255,255,255,.45);
}
.speaker-badge {
  position: absolute; bottom: -12px; left: 50%; transform: translateX(-50%);
  background: var(--green-mid); color: #fff;
  font-size: 9.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  padding: 4px 14px; border-radius: 20px; white-space: nowrap;
}
.speaker-body { padding: 26px 18px 22px; }
.speaker-card h4 {
  font-family: 'Merriweather', serif; font-size: 15px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 3px;
}
.speaker-card .affil { font-size: 12.5px; color: var(--text-light); font-style: italic; margin-bottom: 12px; }
.speaker-card .talk {
  font-size: 13px; color: var(--blue-mid); font-weight: 600;
  background: var(--blue-pale); border-radius: 6px; padding: 8px 14px; line-height: 1.5;
}

/* ---- About features ---- */
.about-feature { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.about-feature-icon {
  width: 42px; height: 42px; border-radius: 8px;
  background: var(--green-pale); display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: var(--green-mid); flex-shrink: 0;
}
.about-feature h5 {
  font-family: 'Source Sans 3', sans-serif; font-size: 14px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 2px;
}
.about-feature p { font-size: 13.5px; color: var(--text-mid); margin: 0; }

/* ---- CTA Band ---- */
.cta-band {
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  padding: 60px 0; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-family: 'Merriweather', serif; color: #fff; font-size: 1.8rem; margin-bottom: 10px; }
.cta-band p { color: rgba(255,255,255,.80); margin-bottom: 24px; font-size: 15px; }

/* ---- Partner logos ---- */
.org-logo-box {
  background: var(--off-white); border: 1.5px solid var(--border);
  border-radius: 10px; padding: 18px 22px;
  display: flex; align-items: center; justify-content: center; min-height: 80px;
  font-size: 11.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-mid); text-align: center;
  transition: all .2s;
}
.org-logo-box:hover { border-color: var(--green-mid); background: var(--green-pale); }

/* ---- Axes (call page) ---- */
.call-axis {
  background: var(--white); border-radius: 10px;
  padding: 30px 26px; box-shadow: 0 2px 14px rgba(10,48,96,.06);
  margin-bottom: 26px; border-left: 5px solid var(--green-mid);
}
.call-axis.a2 { border-left-color: var(--blue-light); }
.call-axis.a3 { border-left-color: #0E7490; }
.call-axis.a4 { border-left-color: var(--gold); }
.call-axis .ax-num {
  display: inline-block; font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--green-mid); margin-bottom: 4px;
}
.call-axis.a2 .ax-num { color: var(--blue-light); }
.call-axis.a3 .ax-num { color: #0E7490; }
.call-axis.a4 .ax-num { color: var(--gold); }
.call-axis h4 {
  font-family: 'Merriweather', serif; font-size: 15.5px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 14px;
}
.call-axis ul { margin: 0; padding-left: 18px; }
.call-axis ul li { font-size: 14px; color: var(--text-mid); margin-bottom: 6px; line-height: 1.55; }

/* ---- Info boxes (submission) ---- */
.info-box {
  background: var(--off-white); border-radius: 10px;
  padding: 26px 22px; height: 100%;
  border-top: 3px solid var(--blue-mid);
}
.info-box h4 {
  font-family: 'Source Sans 3', sans-serif; font-size: 15px; font-weight: 700;
  color: var(--blue-dark); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.info-box h4 i { color: var(--green-mid); }
.info-box ul { padding-left: 18px; margin: 0; }
.info-box ul li { font-size: 14px; color: var(--text-mid); margin-bottom: 7px; line-height: 1.55; }
.info-box ul li strong { color: var(--blue-dark); }

/* ---- Note box ---- */
.note-box {
  background: var(--blue-pale); border-left: 4px solid var(--blue-mid);
  border-radius: 0 8px 8px 0; padding: 16px 18px; margin-top: 16px;
  font-size: 14px; color: var(--blue-dark); line-height: 1.6;
}
.note-box.green-note { background: var(--green-pale); border-left-color: var(--green-mid); color: var(--green-dark); }
.note-box i { margin-right: 6px; }

/* ---- Fees Table ---- */
.fees-table { border-collapse: separate; border-spacing: 0; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 14px rgba(10,48,96,.08); }
.fees-table thead th {
  background: var(--blue-dark); color: #fff;
  font-family: 'Source Sans 3', sans-serif; font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; padding: 14px 16px; vertical-align: middle;
}
.fees-table tbody td {
  padding: 13px 16px; font-size: 14.5px; vertical-align: middle;
  border-color: var(--border); background: var(--white);
}
.fees-table tbody tr:nth-child(even) td { background: var(--off-white); }
.fees-table tbody tr:hover td { background: var(--green-pale); }
.fee-amount { font-family: 'Merriweather', serif; font-weight: 700; color: var(--green-dark); font-size: 16px; }
.fee-na { color: var(--text-light); font-size: 13px; font-style: italic; }
.fee-badge {
  display: inline-block; background: var(--green-pale); color: var(--green-dark);
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px;
  border: 1px solid rgba(26,122,64,.2);
}

/* ---- Schedule Table ---- */
.schedule-day-header {
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-mid));
  color: #fff; padding: 14px 22px; border-radius: 8px 8px 0 0;
  display: flex; align-items: center; gap: 10px;
}
.schedule-day-header h4 { font-family: 'Source Sans 3', sans-serif; font-size: 15px; font-weight: 700; color: #fff; margin: 0; }
.schedule-day-header i { color: var(--green-light); }
.schedule-table { border: 1px solid var(--border); border-top: none; border-radius: 0 0 8px 8px; overflow: hidden; width: 100%; }
.schedule-table th {
  background: var(--blue-mid); color: #fff;
  font-family: 'Source Sans 3', sans-serif; font-size: 12.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; padding: 11px 15px;
}
.schedule-table td { padding: 12px 15px; font-size: 14px; vertical-align: top; border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); }
.schedule-table td:last-child { border-right: none; }
.schedule-table tr:last-child td { border-bottom: none; }
.schedule-time { font-family: 'Merriweather', serif; font-size: 12.5px; font-weight: 700; color: var(--blue-dark); white-space: nowrap; }
.schedule-event-title { font-weight: 700; color: var(--blue-dark); font-size: 14px; margin-bottom: 2px; }
.schedule-event-sub { font-size: 12.5px; color: var(--text-mid); }
.row-plenary { background: var(--blue-pale) !important; }
.row-break   { background: var(--green-pale) !important; }
.row-lunch   { background: #FEF9E7 !important; }
.row-close   { background: linear-gradient(90deg, var(--blue-pale), var(--green-pale)) !important; }

/* ---- Committees ---- */
.committee-block { margin-bottom: 36px; }
.committee-header {
  background: linear-gradient(90deg, var(--blue-dark), var(--blue-mid));
  color: #fff; padding: 14px 20px;
  border-radius: 8px 8px 0 0;
  display: flex; align-items: center; gap: 10px;
}
.committee-header h4 { font-family: 'Source Sans 3', sans-serif; font-size: 15px; font-weight: 700; color: #fff; margin: 0; }
.committee-header i { color: var(--green-light); }
.committee-body { border: 1px solid var(--border); border-top: none; border-radius: 0 0 8px 8px; overflow: hidden; }
.cmt-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 11px 18px; border-bottom: 1px solid var(--border);
  font-size: 14px; transition: background .15s;
}
.cmt-row:last-child { border-bottom: none; }
.cmt-row:hover { background: var(--off-white); }
.cmt-row i { color: var(--green-mid); font-size: 11.5px; flex-shrink: 0; margin-top: 4px; }
.cmt-name { font-weight: 600; color: var(--text-dark); }
.cmt-role { font-size: 11.5px; color: var(--green-dark); font-weight: 700; }
.cmt-country { font-size: 11.5px; color: var(--text-light); }
.cmt-members-block {
  padding: 16px 20px; background: var(--off-white);
  font-size: 13.5px; color: var(--text-mid); line-height: 1.85;
  border-top: 1px solid var(--border);
}

/* ---- Venue ---- */
.venue-info-card {
  background: var(--off-white); border-radius: 10px;
  padding: 24px 22px; margin-bottom: 18px;
  border-left: 4px solid var(--green-mid);
}
.venue-info-card h5 { font-family: 'Source Sans 3', sans-serif; font-size: 13.5px; font-weight: 700; color: var(--blue-dark); margin-bottom: 5px; }
.venue-info-card p { font-size: 14px; color: var(--text-mid); margin: 0; }
.map-placeholder {
  background: linear-gradient(135deg, var(--blue-dark), var(--green-dark));
  border-radius: 12px; height: 310px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; position: relative; overflow: hidden; text-align: center;
}
.map-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 36px 36px;
}
.map-placeholder i { font-size: 52px; color: var(--green-light); margin-bottom: 14px; position: relative; z-index: 1; }
.map-placeholder h4 { color: #fff; position: relative; z-index: 1; padding: 0 20px; font-family: 'Merriweather', serif; font-size: 1.2rem; }
.map-placeholder p { color: rgba(255,255,255,.65); font-size: 14px; position: relative; z-index: 1; }
.hybrid-card {
  background: var(--white); border-radius: 10px; padding: 26px 20px;
  text-align: center; box-shadow: 0 2px 14px rgba(10,48,96,.07);
  border-top: 3px solid var(--green-mid); height: 100%;
}
.hybrid-card i { font-size: 34px; color: var(--green-mid); margin-bottom: 12px; display: block; }
.hybrid-card h5 { font-size: 15px; font-weight: 700; color: var(--blue-dark); margin-bottom: 7px; font-family: 'Merriweather', serif; }
.hybrid-card p { font-size: 13.5px; color: var(--text-mid); margin: 0; }

/* ---- Contact ---- */
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.contact-icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--green-pale); display: flex; align-items: center; justify-content: center;
  font-size: 17px; color: var(--green-mid); flex-shrink: 0;
}
.contact-info-item h5 {
  font-family: 'Source Sans 3', sans-serif; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; color: var(--text-light); margin-bottom: 3px;
}
.contact-info-item p { font-size: 15px; color: var(--text-dark); margin: 0; font-weight: 600; }
.contact-info-item a { color: var(--blue-mid); }
.contact-info-item a:hover { color: var(--green-mid); }
.contact-form .form-label { font-size: 12.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--blue-dark); margin-bottom: 5px; }
.contact-form .form-control, .contact-form .form-select {
  border: 1.5px solid var(--border); border-radius: 6px;
  padding: 10px 14px; font-size: 14.5px; color: var(--text-dark); transition: border-color .2s;
}
.contact-form .form-control:focus, .contact-form .form-select:focus {
  border-color: var(--green-mid); box-shadow: 0 0 0 3px rgba(26,122,64,.12);
}

/* ---- Footer ---- */
footer {
  background: var(--blue-dark); color: rgba(255,255,255,.7); padding: 64px 0 0;
}
footer h5 {
  font-family: 'Source Sans 3', sans-serif; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2.5px; color: var(--green-light); margin-bottom: 18px;
}
footer p { font-size: 14px; }
footer a { color: rgba(255,255,255,.62); }
footer a:hover { color: var(--green-light); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 11px; font-size: 13.5px; }
.footer-contact-item i { color: var(--green-light); margin-top: 3px; flex-shrink: 0; }
.footer-nav a {
  display: block; font-size: 13.5px; color: rgba(255,255,255,.62);
  padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,.06); transition: all .2s;
}
.footer-nav a:hover { color: var(--green-light); padding-left: 5px; }
.footer-nav a:last-child { border-bottom: none; }
.footer-social { margin-top: 14px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 37px; height: 37px; border-radius: 50%;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  font-size: 14px; margin-right: 7px; transition: all .25s;
}
.footer-social a:hover { background: var(--green-mid); border-color: var(--green-mid); color: #fff; }
#sub-footer {
  margin-top: 46px; border-top: 1px solid rgba(255,255,255,.08); padding: 18px 0;
}
#sub-footer p { font-size: 12.5px; color: rgba(255,255,255,.38); margin: 0; }

/* ---- Back to Top ---- */
#back-top {
  position: fixed; right: 22px; bottom: 26px;
  width: 44px; height: 44px; background: var(--green-mid); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 15px; box-shadow: 0 4px 18px rgba(0,0,0,.22);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
  z-index: 999; text-decoration: none;
}
#back-top.show { opacity: 1; pointer-events: auto; }
#back-top:hover { background: var(--green-dark); color: #fff; transform: translateY(-3px); }

/* ---- Scrollbar ---- */
body { --sb-track: var(--green-dark); --sb-thumb: var(--blue-light); }
body::-webkit-scrollbar { width: 9px; }
body::-webkit-scrollbar-track { background: var(--sb-track); }
body::-webkit-scrollbar-thumb { background: var(--sb-thumb); border-radius: 6px; }
@supports not selector(::-webkit-scrollbar) {
  body { scrollbar-color: var(--sb-thumb) var(--sb-track); }
}

/* ---- Responsive ---- */
@media (max-width: 991px) {
  .hero-acronym { font-size: 2.8rem; }
  .section-title { font-size: 1.6rem; }
  #main-nav .navbar-nav .nav-link { padding: 13px 15px !important; border-bottom: 2px solid transparent; }
  .hero-content { padding: 50px 0 40px; }
}
@media (max-width: 767px) {
  #hero { min-height: auto; }
  .hero-acronym { font-size: 2.3rem; }
  .section-main, .section-alt { padding: 58px 0; }
  .timeline-wrap { padding: 26px 20px; }
  .timeline-date { min-width: auto; font-size: 11.5px; }
  .page-header h1 { font-size: 1.5rem; }
  .timeline-wrap { padding: 24px 18px; }
  .schedule-table { font-size: 13px; }
}
@media (max-width: 480px) {
  .hero-acronym { font-size: 2rem; }
  .hero-conf-title { font-size: 1.05rem; }
  .countdown-box { min-width: 64px; padding: 12px 12px; }
  .countdown-num { font-size: 1.8rem; }
  .kn-num { font-size: 1.9rem; }
}