@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900;1,14..32,400&display=swap');

:root {
  --ink:       #101820;
  --muted:     #5c6672;
  --line:      #d0d8e4;
  --page:      #f4f7fb;
  --surface:   #ffffff;
  --surface-2: #edf1f7;
  --navy:      #071a33;
  --navy-mid:  #0d2d52;
  --blue:      #005eb8;
  --blue-2:    #1e88e5;
  --red:       #e31837;
  --red-dark:  #b5102a;
  --cyan:      #00a7c8;
  --green:     #25d366;
  --shadow-xs: 0 1px 4px rgba(7,26,51,0.07);
  --shadow-sm: 0 4px 12px rgba(7,26,51,0.08);
  --shadow:    0 8px 28px rgba(7,26,51,0.11);
  --shadow-lg: 0 20px 52px rgba(7,26,51,0.16);
  --shadow-xl: 0 32px 80px rgba(7,26,51,0.20);
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t:   0.20s;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family: 'Inter', Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, figure { margin-top: 0; }

h1 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 92px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.03em;
}
h2 {
  max-width: 850px;
  margin-bottom: 0;
  font-size: clamp(28px, 3.8vw, 50px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
}
h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
p, li { line-height: 1.6; }
button, input, select { font: inherit; }

/* ─── Topbar ──────────────────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 72px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: #fff;
  background: rgba(5, 18, 38, 0.97);
  border-bottom: 1px solid rgba(255,255,255,0.09);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue) 0%, var(--red) 100%);
  border-radius: 8px;
  font-weight: 900; font-size: 15px; letter-spacing: 0.01em;
}
.brand strong { display: block; font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.brand small { display: block; color: rgba(186,199,214,0.85); font-size: 11.5px; font-weight: 500; }
.topbar nav { display: flex; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.topbar nav a {
  padding: 7px 11px;
  color: rgba(214,228,242,0.9);
  font-size: 13.5px; font-weight: 500;
  text-decoration: none;
  border-radius: 6px;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.topbar nav a:hover { color: #fff; background: rgba(255,255,255,0.1); }
.topbar nav a.active { color: #fff; background: rgba(227,24,55,0.22); }

/* ─── Eyebrow ──────────────────────────────────────────────── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  margin-bottom: 14px;
  padding: 4px 10px;
  color: var(--red);
  background: rgba(227,24,55,0.08);
  border: 1px solid rgba(227,24,55,0.18);
  border-radius: 100px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hero .eyebrow { color: #7ed7ff; background: rgba(126,215,255,0.1); border-color: rgba(126,215,255,0.22); }
.executive .eyebrow, .nightly .eyebrow { color: #7ab8e8; background: rgba(122,184,232,0.12); border-color: rgba(122,184,232,0.22); }

/* ─── Buttons ──────────────────────────────────────────────── */
.button {
  display: inline-flex; min-height: 44px; align-items: center; justify-content: center;
  padding: 11px 20px; border: 0; border-radius: 7px;
  font-size: 14px; font-weight: 700; letter-spacing: -0.01em;
  text-decoration: none; cursor: pointer;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t);
}
.button:hover { transform: translateY(-1px); }
.button.primary { color: #fff; background: var(--red); box-shadow: 0 4px 14px rgba(227,24,55,0.28); }
.button.primary:hover { background: var(--red-dark); box-shadow: 0 8px 22px rgba(227,24,55,0.38); }
.button.secondary { color: var(--ink); background: #e8eef5; box-shadow: var(--shadow-xs); }
.button.secondary:hover { background: #dce4ef; }
.button.whatsapp { color: #071a33; background: var(--green); box-shadow: 0 4px 14px rgba(37,211,102,0.25); }
.button.whatsapp:hover { background: #1eb558; }
.hero .button.secondary { color: #fff; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.28); box-shadow: none; }
.hero .button.secondary:hover { background: rgba(255,255,255,0.2); }
.text-button {
  display: inline-flex; align-items: center; gap: 4px; min-height: 36px; padding: 0;
  color: var(--blue); background: transparent; border: 0;
  font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: color var(--t);
}
.text-button:hover { color: var(--blue-2); }
.text-button::after { content: '→'; font-size: 13px; transition: transform var(--t) var(--ease); }
.text-button:hover::after { transform: translateX(3px); }

/* ─── Hero ──────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - 72px);
  display: grid; gap: clamp(32px, 4vw, 52px); align-content: center;
  padding: clamp(52px, 7vw, 100px) clamp(20px, 5vw, 76px);
  color: #fff;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(0,94,184,0.22), transparent 40%),
    radial-gradient(ellipse at 20% 80%, rgba(227,24,55,0.12), transparent 35%),
    linear-gradient(110deg, rgba(5,18,38,0.98) 0%, rgba(7,26,51,0.88) 45%, rgba(7,26,51,0.35) 100%),
    url("assets/f35-lightning-hero-wiki.jpg") center 40% / cover no-repeat;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 220px;
  background: linear-gradient(180deg, transparent, rgba(5,18,38,0.9));
  pointer-events: none;
}
.hero > * { position: relative; z-index: 1; }
.hero-copy p:not(.eyebrow) { max-width: 820px; color: rgba(220,232,245,0.88); font-size: 19px; font-weight: 400; }
.hero-copy h1 { max-width: 1120px; font-size: clamp(52px, 8vw, 108px); letter-spacing: -0.04em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }

/* ─── Hero info row ──────────────────────────────────────────────── */
.hero-info-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 0.65fr);
  gap: 16px; align-items: stretch; max-width: 1160px;
}
.hero-panel {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px; padding: 24px;
  background: rgba(7,26,51,0.55);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.hero-panel div { padding: 0 18px 0 0; border-right: 1px solid rgba(255,255,255,0.14); }
.hero-panel div:nth-child(3) { border-right: 0; }
.hero-panel .image-credit { grid-column: 1 / 3; }
.hero-panel .button { align-self: end; }
.hero-panel span { display: block; margin-bottom: 5px; color: rgba(185,205,225,0.75); font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.hero-panel strong { font-size: 17px; font-weight: 700; }
.image-credit { margin: -4px 0 0; color: rgba(170,190,210,0.6); font-size: 11.5px; }

.hero-qr-card {
  display: grid; grid-template-columns: 128px minmax(0, 1fr);
  gap: 16px; align-items: center; padding: 18px;
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0,0,0,0.22);
}
.hero-qr-card img { width: 128px; height: 162px; object-fit: cover; object-position: 50% 44%; background: var(--green); border-radius: 6px; }
.hero-qr-card span { display: block; margin-bottom: 5px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.hero-qr-card strong { display: block; color: var(--ink); font-size: 18px; font-weight: 700; line-height: 1.22; letter-spacing: -0.01em; }
.hero-qr-card p { margin: 8px 0 0; color: #44566a; font-size: 13.5px; line-height: 1.48; }
.hero-qr-card a { display: inline-block; margin-top: 8px; color: var(--red); font-size: 13px; font-weight: 700; text-decoration: none; transition: color var(--t); }
.hero-qr-card a:hover { color: var(--red-dark); }

/* ─── Section base ──────────────────────────────────────────────── */
.section { scroll-margin-top: calc(var(--scroll-offset, 86px) + 16px); padding: clamp(56px, 7vw, 96px) clamp(20px, 5vw, 76px); }
.section-head { margin-bottom: 36px; }
.section-head.split {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 400px);
  gap: 32px; align-items: end;
}
.section-note { margin-bottom: 0; color: var(--muted); font-size: 15.5px; line-height: 1.58; }

/* ─── Shared card hover ──────────────────────────────────────────────── */
.metric-grid article, .logistics-card, .planning-card, .checklist-band,
.aerospace-card, .question-panel, .executive-card, .domain-card,
.night-card, .nightly-tip, .session-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.domain-card:hover, .planning-card:hover, .night-card:hover,
.logistics-card:hover, .session-card:hover, .aerospace-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ─── Overview ──────────────────────────────────────────────── */
.overview { background: var(--surface); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.metric-grid article { padding: 28px 24px; border-top: 3px solid var(--blue); }
.metric-grid span { display: block; color: var(--blue); font-size: 48px; font-weight: 900; line-height: 1; letter-spacing: -0.04em; }
.metric-grid p { margin: 10px 0 0; color: var(--muted); font-size: 14px; }

/* ─── Executive ──────────────────────────────────────────────── */
.executive {
  background: linear-gradient(160deg, #061428 0%, #0c2244 60%, #071a33 100%);
  color: #fff; position: relative; overflow: hidden;
}
.executive::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 85% 15%, rgba(0,94,184,0.18) 0%, transparent 50%),
              radial-gradient(ellipse at 10% 85%, rgba(227,24,55,0.10) 0%, transparent 45%);
  pointer-events: none;
}
.executive .section-note, .executive p { color: rgba(210,228,245,0.8); }
.executive-feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; position: relative; z-index: 1; }
.executive-card { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 20px; padding: 24px; color: var(--ink); overflow: hidden; border-top: 3px solid var(--blue); }
.executive-card img { width: 132px; height: 132px; object-fit: cover; border-radius: 8px; background: var(--surface-2); }
.executive-card span, .domain-card span { display: block; margin-bottom: 6px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.executive-card h3 { margin-bottom: 4px; font-size: 22px; letter-spacing: -0.02em; }
.executive-card p { color: #44566a; }
.exec-title { margin-bottom: 10px; color: var(--muted); font-weight: 600; font-size: 14px; }
.exec-meta { display: flex; align-items: center; gap: 20px; margin-top: 14px; padding: 8px 12px; background: rgba(7,26,51,0.06); border-radius: var(--radius-sm); font-size: 13px; color: var(--muted); }
.exec-meta span { display: inline-flex; align-items: center; gap: 5px; font-weight: 500; }
.exec-meta span svg { width: 13px; height: 13px; flex-shrink: 0; stroke: var(--blue); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.venue-hint { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; padding: 14px 20px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius); position: relative; z-index: 1; }
.venue-hint-text { display: flex; align-items: center; gap: 10px; color: rgba(210,228,245,0.9); font-size: 14px; }
.venue-hint-text svg { width: 18px; height: 18px; flex-shrink: 0; stroke: var(--red); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; opacity: 0.9; }

/* ─── Domain grid ──────────────────────────────────────────────── */
.domain-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; position: relative; z-index: 1; }
.domain-card { display: grid; gap: 10px; align-content: start; padding: 22px; color: var(--ink); border-top: 3px solid transparent; background: var(--surface); }
.domain-card:nth-child(1) { border-top-color: #005eb8; }
.domain-card:nth-child(2) { border-top-color: #00a7c8; }
.domain-card:nth-child(3) { border-top-color: #e31837; }
.domain-card:nth-child(4) { border-top-color: #5b6af0; }
.domain-card:nth-child(5) { border-top-color: #0d9e60; }
.domain-card:nth-child(6) { border-top-color: #e88700; }
.domain-card-icon { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; background: var(--surface-2); color: var(--blue); margin-bottom: 4px; }
.domain-card-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.domain-card:nth-child(1) .domain-card-icon { color: #005eb8; background: rgba(0,94,184,0.08); }
.domain-card:nth-child(2) .domain-card-icon { color: #00a7c8; background: rgba(0,167,200,0.08); }
.domain-card:nth-child(3) .domain-card-icon { color: #e31837; background: rgba(227,24,55,0.08); }
.domain-card:nth-child(4) .domain-card-icon { color: #5b6af0; background: rgba(91,106,240,0.08); }
.domain-card:nth-child(5) .domain-card-icon { color: #0d9e60; background: rgba(13,158,96,0.08); }
.domain-card:nth-child(6) .domain-card-icon { color: #e88700; background: rgba(232,135,0,0.08); }
.domain-card h3, .domain-card p { margin-bottom: 0; }
.domain-card p { color: var(--muted); font-size: 14px; }
.domain-card .text-button { justify-self: start; margin-top: 4px; }

/* ─── Sessions ──────────────────────────────────────────────── */
.spotlight-grid, .agenda-grid { display: grid; gap: 14px; }
.spotlight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.session-card { display: grid; gap: 14px; padding: 22px; }
.spotlight-grid .session-card { border-top: 4px solid var(--red); }
.session-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.badge-row, .tag-row { display: flex; gap: 7px; flex-wrap: wrap; }
.badge, .tag { display: inline-flex; align-items: center; min-height: 26px; padding: 4px 9px; border-radius: 5px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.01em; }
.badge { color: #fff; background: var(--navy); }
.badge.red { background: var(--red); }
.tag { color: #1a3657; background: #e4edf8; }
.session-card h3 { margin-bottom: 0; font-size: 20px; letter-spacing: -0.015em; line-height: 1.3; }
.session-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; font-weight: 500; }
.session-description { margin-bottom: 0; color: #44566a; font-size: 14.5px; }
.session-speakers { margin: 0; color: var(--muted); font-size: 13.5px; }
.session-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─── Agenda toolbar ──────────────────────────────────────────────── */
.toolbar {
  display: grid; grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 16px; margin-bottom: 18px; padding: 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-xs);
}
.toolbar label, .chip-filter { display: grid; gap: 7px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.toolbar input, .toolbar select { width: 100%; min-height: 44px; padding: 10px 13px; color: var(--ink); background: var(--page); border: 1px solid #c0cad6; border-radius: var(--radius-sm); font-size: 14px; transition: border-color var(--t), box-shadow var(--t); }
.toolbar input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,94,184,0.12); }
.chip-toolbar .search-field { grid-row: span 3; align-content: start; }
.chip-row { display: flex; gap: 7px; flex-wrap: wrap; }
.filter-chip { display: inline-flex; min-height: 34px; align-items: center; justify-content: center; padding: 6px 12px; color: #1e3a58; background: #eaf0f8; border: 1px solid #cdd8e6; border-radius: 6px; font-size: 12.5px; font-weight: 600; cursor: pointer; transition: background var(--t), border-color var(--t), color var(--t), transform 0.12s; }
.filter-chip:hover { border-color: var(--blue); background: #dce8f6; transform: translateY(-1px); }
.filter-chip.is-active { color: #fff; background: var(--blue); border-color: var(--blue); }
.result-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; font-size: 14px; }
.result-bar strong { color: var(--navy); font-weight: 700; }

/* ─── Planning ──────────────────────────────────────────────── */
.planning { background: var(--surface-2); }
.planning-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.planning-card { padding: 24px; }
.planning-card span { display: inline-grid; width: 36px; height: 36px; place-items: center; margin-bottom: 18px; color: #fff; background: var(--blue); border-radius: var(--radius-sm); font-size: 13px; font-weight: 800; }
.planning-card h3 { font-size: 18px; }
.planning-card p { margin-bottom: 0; color: var(--muted); font-size: 14.5px; }
.checklist-band { display: grid; grid-template-columns: minmax(220px, 0.4fr) minmax(0, 1fr); gap: 28px; align-items: start; margin-top: 16px; padding: 28px; border-top: 4px solid var(--red); }
.checklist-band h3 { margin-bottom: 4px; font-size: 22px; letter-spacing: -0.02em; }
.checklist-band ul { display: grid; gap: 12px; margin: 0; padding-left: 20px; color: #3a5068; }
.checklist-band ul li { font-size: 14.5px; }

/* ─── Aerospace ──────────────────────────────────────────────── */
.aerospace { background: linear-gradient(180deg, #ffffff 0%, #f0f4f9 100%); }
.aerospace-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.aerospace-card { display: grid; gap: 14px; padding: 28px; border-top: 4px solid var(--blue); }
.aerospace-card:nth-child(2) { border-top-color: var(--red); }
.aerospace-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.aerospace-card-head span { color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.aerospace-card-head strong { padding: 5px 10px; color: #fff; background: var(--navy); border-radius: 5px; font-size: 12.5px; font-weight: 700; }
.aerospace-card h3 { font-size: 20px; letter-spacing: -0.015em; }
.aerospace-card p { margin-bottom: 0; color: var(--muted); font-size: 14.5px; }
.aerospace-card ul { display: grid; gap: 9px; margin: 0; padding-left: 20px; color: #3a5068; font-size: 14px; }
.aerospace-card .button { justify-self: start; margin-top: 4px; }
.question-panel { margin-top: 16px; padding: 28px; }
.question-panel h3 { margin-bottom: 18px; font-size: 22px; letter-spacing: -0.02em; }
.question-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.question-grid p { min-height: 100%; margin-bottom: 0; padding: 18px; color: #3a5068; background: #f2f6fb; border-left: 3px solid var(--red); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 14.5px; line-height: 1.52; }

/* ─── Nightly ──────────────────────────────────────────────── */
.nightly {
  background: linear-gradient(135deg, rgba(5,18,38,0.97), rgba(0,70,150,0.82)),
    url("assets/reception_evening_b101go.png") center / cover no-repeat;
  color: #fff;
}
.nightly .section-note, .nightly p { color: rgba(210,228,245,0.82); }
.nightly-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.night-card { overflow: hidden; color: var(--ink); background: rgba(255,255,255,0.97); }
.night-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center; }
.night-card:nth-child(1) img { object-position: center 48%; }
.night-card:nth-child(2) img { object-position: center 48%; }
.night-card:nth-child(3) img { object-position: center 46%; }
.night-card:nth-child(4) img { object-position: center 52%; }
.night-card div { padding: 20px; }
.night-card span { display: block; margin-bottom: 6px; color: var(--red); font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.night-card h3 { font-size: 18px; letter-spacing: -0.01em; }
.night-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.night-meta { display: grid; gap: 4px; margin: 0 0 14px; padding: 10px 14px; background: #f0f5fa; border-left: 3px solid var(--blue); border-radius: 0 5px 5px 0; }
.night-meta strong { color: var(--ink); font-size: 13.5px; font-weight: 700; }
.night-meta em { color: var(--muted); font-size: 12.5px; font-style: normal; line-height: 1.4; }
.featured-night { border-top: 4px solid var(--red); }
.nightly-tip { display: flex; gap: 12px; align-items: center; margin-top: 20px; padding: 18px 22px; color: var(--ink); background: rgba(255,255,255,0.96); border-left: 4px solid var(--green); border-radius: 0 var(--radius) var(--radius) 0; }
.nightly-tip strong { flex-shrink: 0; font-weight: 700; font-size: 14px; }
.nightly-tip span { color: #3a5068; font-size: 14.5px; }

/* ─── Logistics ──────────────────────────────────────────────── */
.logistics { background: var(--surface-2); }
.logistics-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.logistics-card { padding: 24px; border-top: 3px solid var(--blue); }
.logistics-card h3 { font-size: 19px; letter-spacing: -0.015em; }
.logistics-card p { color: var(--muted); font-size: 14.5px; }
.image-card { padding: 0; overflow: hidden; }
.image-card img { aspect-ratio: 16 / 10; width: 100%; object-fit: cover; }
.image-card div { padding: 20px; }

/* ─── Support / Contacts ──────────────────────────────────────────────── */
.support { display: grid; grid-template-columns: minmax(240px, 0.32fr) minmax(0, 1fr); gap: 40px; align-items: start; background: linear-gradient(150deg, #051526 0%, #0a2040 100%); color: #fff; }
.support p, .support li { color: rgba(210,228,245,0.78); }
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.contact-card { display: grid; gap: 16px; align-content: start; padding: 20px; color: var(--ink); background: linear-gradient(145deg, rgba(255,255,255,0.99), rgba(240,247,255,0.98)); border: 1px solid rgba(255,255,255,0.7); border-radius: var(--radius); box-shadow: 0 24px 60px rgba(0,0,0,0.25); transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease); }
.contact-card:hover { transform: translateY(-3px); box-shadow: 0 32px 80px rgba(0,0,0,0.32); }
.contact-card img, .contact-photo-fallback { width: 100%; aspect-ratio: 1 / 1; border-radius: var(--radius-sm); }
.contact-card img { object-fit: cover; object-position: center; background: var(--surface-2); }
.contact-photo-fallback { display: none; place-items: center; color: #fff; background: linear-gradient(135deg, var(--blue), var(--red)); font-size: 46px; font-weight: 800; }
.contact-card.missing-photo img { display: none; }
.contact-card.missing-photo .contact-photo-fallback { display: grid; }
.contact-card-body span { color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; }
.contact-card-body h3 { margin: 6px 0 4px; font-size: clamp(22px, 3vw, 30px); letter-spacing: -0.02em; }
.contact-phone { display: inline-block; margin-bottom: 18px; color: var(--red); font-size: 20px; font-weight: 800; text-decoration: none; transition: color var(--t); }
.contact-phone:hover { color: var(--red-dark); }
.contact-alias { margin: 0 0 10px; color: var(--muted); font-size: 17px; font-weight: 600; }
.contact-note { margin-bottom: 0; color: #44566a; font-size: 14.5px; }
.contact-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.contact-actions .button { flex: 1 1 110px; padding-left: 10px; padding-right: 10px; }

/* ─── Footer ──────────────────────────────────────────────── */
footer { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 24px clamp(20px, 5vw, 76px); color: rgba(200,215,232,0.6); background: #040f1e; font-size: 13px; }

/* ─── Modals ──────────────────────────────────────────────── */
.modal { width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 40px); padding: 0; color: var(--ink); background: #fff; border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); overflow: auto; }
.modal::backdrop { background: rgba(4,14,30,0.72); backdrop-filter: blur(6px); }
.wide-modal { width: min(1100px, calc(100vw - 32px)); }
.modal-header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 24px; background: #fff; border-bottom: 1px solid var(--line); }
.modal-header h2 { font-size: 26px; }
.icon-button { width: 36px; height: 36px; display: grid; place-items: center; color: #fff; background: var(--navy); border: 0; border-radius: 6px; font-size: 15px; font-weight: 700; cursor: pointer; transition: background var(--t); }
.icon-button:hover { background: var(--blue); }
.app-modal-body { display: grid; grid-template-columns: minmax(220px, 320px) minmax(0, 1fr); gap: 24px; align-items: center; padding: 24px; }
.whatsapp-modal-body { display: grid; grid-template-columns: minmax(240px, 330px) minmax(0, 1fr); gap: 24px; align-items: center; padding: 24px; }
.qr-shell { position: relative; display: grid; place-items: center; min-height: 360px; padding: 18px; background: var(--green); border-radius: var(--radius); }
.qr-shell img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 8px; }
.qr-missing { display: none; max-width: 260px; padding: 20px; text-align: center; color: var(--ink); background: #fff; border-radius: var(--radius); }
.qr-missing strong, .qr-missing span { display: block; }
.qr-missing span { margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.qr-shell.is-missing img { display: none; }
.qr-shell.is-missing .qr-missing { display: block; }
.whatsapp-modal-body p, .whatsapp-modal-body li { color: #44566a; }
.direct-whatsapp { margin: 4px 0 12px; }
.app-modal-body img { width: 100%; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); }
.floor-guide { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }
.floor-guide-tip { margin: 0; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: 13px; color: var(--muted); line-height: 1.5; }
.floor-guide-tip strong { color: var(--ink); }
.floor-level { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.floor-level-header { display: flex; align-items: center; gap: 12px; padding: 11px 16px; background: var(--surface-2); border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted); font-weight: 500; }
.floor-badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 100px; font-size: 11px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; flex-shrink: 0; }
.floor-badge.l1 { background: rgba(0,94,184,0.12); color: #005eb8; }
.floor-badge.l2 { background: rgba(227,24,55,0.10); color: var(--red); }
.floor-badge.l3 { background: rgba(13,158,96,0.12); color: #0d9e60; }
.floor-badge.l4 { background: rgba(91,106,240,0.12); color: #5b6af0; }
.floor-rooms { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 16px; }
.room-pill { display: inline-flex; padding: 4px 10px; background: #f4f6f8; border: 1px solid var(--line); border-radius: 100px; font-size: 12px; font-weight: 500; color: var(--muted); }
.room-pill.rl { background: rgba(0,94,184,0.07); border-color: rgba(0,94,184,0.22); color: #005eb8; }
.room-pill.main-hall { background: rgba(7,26,51,0.06); border-color: rgba(7,26,51,0.18); color: var(--ink); font-weight: 600; }
.room-pill.keynote-room { background: rgba(227,24,55,0.09); border-color: rgba(227,24,55,0.28); color: var(--red); font-weight: 700; }
/* Interactive floor-plan viewer (tabs + large stage + zoom) */
.floor-viewer { display: flex; flex-direction: column; gap: 14px; padding: 22px 24px 24px; border-top: 1px solid var(--line); margin-top: 4px; }
.floor-viewer-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.floor-viewer-title { margin: 0; font-size: 14px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.floor-viewer-hint { margin: 0; font-size: 12px; color: var(--muted); }
.floor-viewer-tabs { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 8px; }
.floor-viewer-tab { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); color: var(--muted); font-family: inherit; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .18s ease, border-color .18s ease, color .18s ease; text-align: left; }
.floor-viewer-tab:hover { background: #fff; color: var(--ink); border-color: rgba(7,26,51,0.25); }
.floor-viewer-tab.active { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: 0 6px 18px -10px rgba(7,26,51,0.55); }
.fvt-badge { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 8px; font-size: 12px; font-weight: 800; flex-shrink: 0; }
.fvt-badge.l1 { background: rgba(0,94,184,0.14); color: #005eb8; }
.fvt-badge.l2 { background: rgba(227,24,55,0.12); color: var(--red); }
.fvt-badge.l3 { background: rgba(13,158,96,0.14); color: #0d9e60; }
.fvt-badge.l4 { background: rgba(91,106,240,0.14); color: #5b6af0; }
.floor-viewer-tab.active .fvt-badge { background: rgba(255,255,255,0.16); color: #fff; }
.fvt-label { font-size: 13px; font-weight: 600; color: var(--muted); }
.floor-viewer-tab.active .fvt-label { color: #fff; }
.floor-viewer-stage { position: relative; margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: zoom-in; }
.floor-viewer-stage:focus-visible { outline: 2px solid #005eb8; outline-offset: 2px; }
.floor-viewer-stage img { width: 100%; max-height: 62vh; object-fit: contain; display: block; background: #fff; transition: opacity .25s ease; }
.floor-viewer-stage.is-swapping img { opacity: 0; }
.floor-viewer-zoom { position: absolute; top: 12px; right: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; background: rgba(7,26,51,0.85); color: #fff; border: 1px solid rgba(255,255,255,0.18); border-radius: 100px; font-family: inherit; font-size: 12px; font-weight: 600; cursor: pointer; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); transition: background .15s ease; }
.floor-viewer-zoom:hover { background: rgba(7,26,51,0.95); }
.floor-viewer-zoom svg { display: block; }
.floor-viewer-stage figcaption { padding: 11px 16px; font-size: 13px; font-weight: 600; color: var(--muted); text-align: center; border-top: 1px solid var(--line); background: var(--surface-2); }

/* Lightbox for full-screen floor plan */
.floor-lightbox { position: fixed; inset: 0; background: rgba(7,26,51,0.92); display: none; align-items: center; justify-content: center; z-index: 1000; padding: 32px; }
.floor-lightbox.open { display: flex; animation: floorLightboxFade .18s ease-out; }
@keyframes floorLightboxFade { from { opacity: 0; } to { opacity: 1; } }
.floor-lightbox-inner { position: relative; max-width: min(1400px, 96vw); max-height: 92vh; display: flex; flex-direction: column; gap: 12px; }
.floor-lightbox-img-wrap { background: #fff; border-radius: var(--radius); overflow: auto; max-height: 80vh; }
.floor-lightbox-img-wrap img { display: block; width: 100%; height: auto; }
.floor-lightbox-caption { color: rgba(255,255,255,0.92); font-size: 14px; font-weight: 600; text-align: center; }
.floor-lightbox-close { position: absolute; top: -42px; right: 0; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,0.28); background: rgba(255,255,255,0.08); color: #fff; border-radius: 50%; font-size: 18px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.floor-lightbox-close:hover { background: rgba(255,255,255,0.18); }

@media (max-width: 720px) {
  .floor-viewer-tabs { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .floor-viewer-stage img { max-height: 52vh; }
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero, .hero-info-row, .section-head.split, .support { grid-template-columns: 1fr; }
  .hero-panel { grid-template-columns: 1fr; }
  .hero-panel div { padding: 0 0 14px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.14); }
  .hero-panel .image-credit { grid-column: auto; }
  .metric-grid, .executive-feature-grid, .domain-grid, .planning-grid, .aerospace-grid,
  .nightly-grid, .question-grid, .spotlight-grid, .logistics-grid, .contact-grid, .toolbar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .toolbar .search-field, .topic-filter { grid-column: 1 / -1; }
  .chip-toolbar .search-field { grid-row: auto; }
}

@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; gap: 12px; }
  .topbar nav { justify-content: flex-start; }
  .hero { min-height: auto; }
  .hero-copy h1 { font-size: clamp(44px, 13vw, 76px); }
  .hero-qr-card { grid-template-columns: 112px minmax(0, 1fr); }
  .hero-qr-card img { width: 112px; height: 144px; }
  .metric-grid, .executive-feature-grid, .domain-grid, .planning-grid, .aerospace-grid,
  .nightly-grid, .question-grid, .checklist-band, .spotlight-grid, .logistics-grid,
  .contact-grid, .toolbar, .app-modal-body, .whatsapp-modal-body {
    grid-template-columns: 1fr;
  }
  .section { padding-left: 18px; padding-right: 18px; }
  .contact-card { text-align: center; }
  .contact-actions { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-qr-card { grid-template-columns: 1fr; text-align: center; }
  .hero-qr-card img { width: min(220px, 100%); height: 240px; justify-self: center; }
  .hero-actions .button { width: 100%; }
  .topbar nav a { padding-left: 7px; padding-right: 7px; font-size: 13px; }
  .filter-chip { min-height: 32px; padding: 5px 9px; font-size: 12px; }
}

/* ── Now & Next ticker ────────────────────────────────────── */
.live-ticker {
  position: sticky;
  top: 56px; /* sits flush below the topbar */
  z-index: 900;
  display: flex;
  align-items: stretch;
  height: 48px;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.10);
  overflow: hidden;
  animation: tickerDrop 0.3s var(--ease);
}
@keyframes tickerDrop {
  from { opacity: 0; transform: translateY(-100%); }
  to   { opacity: 1; transform: translateY(0); }
}

/* label badge on the left */
.live-ticker-label {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 16px;
  background: var(--red);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
  z-index: 1;
}
.live-ticker-label .live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
  flex-shrink: 0;
  animation: livePulse 1.8s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.7); }
}

/* scrolling track */
.live-ticker-track-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  /* fade edges */
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 32px, #000 calc(100% - 32px), transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 32px, #000 calc(100% - 32px), transparent 100%);
}

.live-ticker-track {
  display: flex;
  align-items: center;
  gap: 0;
  height: 100%;
  /* JS drives scrollLeft; CSS animation as fallback when JS hasn't kicked in */
}

/* individual session card in ticker */
.ticker-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 18px;
  height: 100%;
  border-right: 1px solid rgba(255,255,255,0.10);
  white-space: nowrap;
  flex-shrink: 0;
  cursor: default;
}
.ticker-card.on-now { background: rgba(227,24,55,0.15); }

.ticker-badge {
  display: inline-flex;
  padding: 2px 7px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.ticker-badge.now  { background: var(--red); color: #fff; }
.ticker-badge.next { background: rgba(255,255,255,0.14); color: rgba(255,255,255,0.8); }

.ticker-time {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.ticker-title {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ticker-room {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  padding: 2px 6px;
  flex-shrink: 0;
}

.ticker-cal-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.20);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--t) var(--ease);
  font-family: inherit;
}
.ticker-cal-btn:hover { background: rgba(255,255,255,0.20); }
.ticker-cal-btn svg  { width: 11px; height: 11px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }

/* divider dot between cards */
.ticker-sep {
  color: rgba(255,255,255,0.25);
  font-size: 18px;
  padding: 0 4px;
  flex-shrink: 0;
  align-self: center;
  pointer-events: none;
}

/* countdown mode — fills the track width */
.ticker-countdown {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  height: 100%;
  color: rgba(255,255,255,0.75);
  font-size: 13px;
}
.ticker-countdown-clock {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.02em;
}
.ticker-countdown-clock .sep { color: rgba(255,255,255,0.4); margin: 0 1px; }
.ticker-countdown-clock .unit-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  margin-left: 2px;
  margin-right: 6px;
}

/* empty state */
.ticker-empty {
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  height: 100%;
}

/* hero gets a little breathing room when ticker is showing */
body.ticker-visible .hero { padding-top: clamp(24px, 3vw, 48px); }

@media (max-width: 720px) {
  .ticker-title { max-width: 180px; }
}
@media (max-width: 480px) {
  .live-ticker-label { padding: 0 10px; font-size: 10px; }
  .ticker-title { max-width: 140px; }
}
/* ── /Now & Next ticker ───────────────────────────────────── */

/* ── Room map tooltip ─────────────────────────────────────── */
.room-map-link {
  cursor: pointer;
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
  text-decoration-color: rgba(0,94,184,0.4);
  border-radius: 3px;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.room-map-link:hover,
.room-map-link:focus-visible {
  background: rgba(0,94,184,0.08);
  color: var(--navy);
  outline: none;
}

.room-tooltip-pop {
  position: fixed;
  z-index: 2000;
  width: 840px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  pointer-events: none;
  animation: rtFadeIn 0.15s var(--ease);
}
@keyframes rtFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.room-tooltip-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 8px 12px 6px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.room-tooltip-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--navy);
}
.room-tooltip-level {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  margin-left: 8px;
}

.room-tooltip-map {
  position: relative;
  width: 840px;
  height: 600px;
  overflow: hidden;
  background: #f0f1f3;
}
.room-tooltip-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.room-tooltip-dot { display: none; }
/* ── /Room map tooltip ────────────────────────────────────── */
