:root {
  /* Logo palette: Electric Blue + Bold Red */
  --rail-navy:       #0a1628;
  --rail-blue:       #1A5FBE;
  --rail-blue-dark:  #0D3E82;
  --rail-blue-light: #3B7FE0;
  --rail-red:        #E8192C;
  --rail-red-dark:   #B8111F;
  --rail-gold:       #E8192C;        /* repurpose gold → red (primary accent) */
  --rail-gold-light: #FF4455;        /* hover state */
  --rail-steel:      #3B7FE0;        /* secondary blue */
  --rail-light:      #f4f7fc;
  --rail-white:      #ffffff;
  --rail-dark:       #060e1c;
  --brand-red:       #E8192C;
  --brand-blue:      #1A5FBE;
  --brand-charcoal:  #1A1A2E;

  /* Light theme */
  --bg-page:    #F5F7FA;
  --bg-section: #FFFFFF;
  --bg-alt:     #EEF2F9;
  --text-dark:  #0D1E3D;
  --text-body:  #2D3F5C;
  --text-muted: #6B7A99;
  --text-white: #ffffff;
  --border:     rgba(26,95,190,0.18);

  --font-display: 'Poppins', sans-serif;
  --font-body:    'Poppins', sans-serif;
  --font-accent:  'Poppins', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-page); color: var(--text-dark); overflow-x: hidden; }

/* ── NAVBAR ── */
.navbar-custom {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid rgba(26,95,190,0.15);
  padding: 14px 0;
  position: fixed; top: 0; width: 100%; z-index: 999;
  transition: all .3s;
  box-shadow: 0 2px 20px rgba(26,95,190,0.1);
}
.navbar-custom .navbar-brand {
  padding: 0;
  display: flex;
  align-items: center;
}
.nav-link-custom {
  color: var(--text-body) !important;
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 6px 14px !important;
  transition: color .25s;
  position: relative;
}
.nav-link-custom::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--rail-red);
  transition: all .3s;
  transform: translateX(-50%);
}
.nav-link-custom:hover { color: var(--rail-blue) !important; }
.nav-link-custom:hover::after { width: 70%; }
.btn-register-nav {
  background: var(--rail-red);
  color: #fff !important;
  font-weight: 700;
  border-radius: 6px;
  padding: 7px 18px !important;
  font-size: .82rem;
  letter-spacing: .5px;
}
.btn-register-nav:hover { background: var(--rail-red-dark); box-shadow: 0 4px 16px rgba(232,25,44,.35); }

/* ── HERO ── */
.hero-section {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(6,14,28,0.96) 0%, rgba(10,22,40,0.88) 50%, rgba(26,58,107,0.75) 100%),
    url('https://images.unsplash.com/photo-1474487548417-781cb71495f3?w=1600&q=80') center/cover no-repeat;
  display: flex; align-items: center;
  padding-top: 120px;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--rail-blue) 30%, var(--rail-red) 50%, var(--rail-blue) 70%, transparent);
}
.hero-track-lines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: repeating-linear-gradient(
    90deg, transparent, transparent 59px,
    rgba(201,149,42,0.04) 59px, rgba(201,149,42,0.04) 60px
  );
  pointer-events: none;
}

/* Hero text (right on desktop) */
.hero-text-col { animation: fadeInRight .9s ease forwards; }
@keyframes fadeInRight { from { opacity:0; transform: translateX(40px); } to { opacity:1; transform:none; } }
@keyframes fadeInLeft  { from { opacity:0; transform: translateX(-40px); } to { opacity:1; transform:none; } }
@keyframes fadeInUp    { from { opacity:0; transform: translateY(30px); } to { opacity:1; transform:none; } }
@keyframes pulse       { 0%,100% { opacity:1; } 50% { opacity:.6; } }

.hero-tag {
  display: inline-block;
  background: rgba(232,25,44,0.12);
  border: 1px solid var(--rail-red);
  color: var(--rail-red);
  font-family: var(--font-accent);
  font-size: .75rem;
  letter-spacing: 2px;
  padding: 5px 14px;
  border-radius: 2px;
  margin-bottom: 18px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--rail-white) !important;
  margin-bottom: 16px;
}
.hero-title .gold { color: var(--rail-gold); }
.hero-theme {
  font-family: var(--font-accent);
  font-size: .95rem;
  color: var(--rail-steel);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 28px; }
.hero-meta-item { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: rgba(255,255,255,.75); }
.hero-meta-item i { color: var(--rail-gold); font-size: 1rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.hero-badge {
  background: rgba(26,58,107,0.5);
  border: 1px solid rgba(123,155,191,0.3);
  color: var(--rail-steel);
  font-size: .75rem;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

/* Countdown */
.countdown-card {
  background: rgba(6,14,28,0.7);
  border: 1px solid rgba(26,95,190,0.28);
  border-radius: 8px;
  padding: 22px;
  backdrop-filter: blur(10px);
  margin-bottom: 18px;
}
.countdown-label {
  font-family: var(--font-accent);
  font-size: .7rem;
  letter-spacing: 2px;
  color: var(--rail-blue);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.countdown-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; }
.countdown-unit { text-align: center; }
.countdown-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem,3vw,2.4rem);
  font-weight: 900;
  color: var(--rail-white);
  line-height: 1;
}
.countdown-unit-label {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rail-steel);
  margin-top: 4px;
}
.countdown-sep { font-size: 1.8rem; color: var(--rail-gold); align-self: start; margin-top: 6px; }

/* Registration Form */
.reg-form-card {
  background: rgba(6,14,28,0.85);
  border: 1px solid rgba(26,95,190,0.3);
  border-radius: 10px;
  padding: 28px 26px;
  backdrop-filter: blur(14px);
  animation: fadeInLeft .9s ease forwards;
}
.reg-form-title {
  font-family: var(--font-accent);
  font-size: 1.1rem;
  letter-spacing: 1px;
  color: var(--rail-blue);
  text-transform: uppercase;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(26,95,190,0.15);
}
.form-control-custom {
  background: #fff !important;
  border: 1.5px solid var(--border) !important;
  color: var(--text-dark) !important;
  font-size: .875rem !important;
  font-family: var(--font-body) !important;
  padding: 10px 14px !important;
  border-radius: 6px !important;
  transition: border-color .25s, box-shadow .25s !important;
}
.form-control-custom::placeholder { color: #aab4c4 !important; }
.form-control-custom:focus {
  border-color: var(--rail-gold) !important;
  box-shadow: 0 0 0 3px rgba(184,130,15,0.12) !important;
  outline: none !important;
}
.form-label-custom { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; color: var(--text-muted); margin-bottom: 5px; }
.btn-gold-full {
  width: 100%;
  background: var(--rail-red);
  color: #fff;
  font-family: var(--font-accent);
  font-size: 1rem;
  letter-spacing: 1.5px;
  font-weight: 700;
  padding: 13px;
  border: none;
  border-radius: 6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .25s, transform .15s;
}
.btn-gold-full:hover { background: var(--rail-red-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,25,44,.35); }

/* ── SECTION COMMON ── */
.section-pad { padding: 90px 0; }
.section-tag {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--rail-blue);
  border-bottom: 2px solid var(--rail-red);
  padding-bottom: 4px;
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
}
.section-lead { color: var(--text-muted); font-size: 1rem; max-width: 600px; }
.gold-line { width: 50px; height: 4px; background: linear-gradient(90deg,var(--rail-blue),var(--rail-red)); margin: 16px 0 28px; border-radius: 2px; }

/* ── ABOUT ── */
.about-section { background: var(--bg-section); }
.stat-block {
  text-align: center;
  padding: 28px 20px;
  border: 1.5px solid var(--border);
  border-top: 4px solid var(--rail-blue);
  border-radius: 10px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
  background: var(--bg-section);
  box-shadow: 0 2px 12px rgba(26,95,190,.06);
}
.stat-block:hover { border-color: var(--rail-red); border-top-color: var(--rail-blue); transform: translateY(-5px); box-shadow: 0 12px 32px rgba(232,25,44,.12); }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg,var(--rail-blue),var(--rail-red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; font-weight: 600; }
.why-item {
  display: flex; gap: 16px; margin-bottom: 20px; align-items: flex-start;
  background: #fff;
  border: 1.5px solid rgba(26,95,190,.12);
  border-radius: 10px;
  padding: 18px 20px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.why-item:hover {
  border-color: var(--rail-red);
  box-shadow: 0 6px 24px rgba(232,25,44,.1);
  transform: translateY(-3px);
}
.why-icon-wrap {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
}
.why-icon-wrap.blue { background: rgba(26,95,190,.1); color: var(--rail-blue); }
.why-icon-wrap.red  { background: rgba(232,25,44,.1);  color: var(--rail-red);  }
.why-item h6 { font-family: var(--font-accent); font-size: .95rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.why-item p { font-size: .83rem; color: var(--text-muted); margin: 0; line-height: 1.65; }

/* ── SPEAKERS ── */
.speakers-section { background: var(--bg-alt); }
.speaker-card {
  background: var(--bg-section);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all .35s;
}
.speaker-card:hover { transform: translateY(-6px); border-color: var(--rail-gold); box-shadow: 0 16px 40px rgba(184,130,15,.12); }
.speaker-img-wrap {
  /*height: 200px;*/
  background: linear-gradient(135deg, #dce8f8 0%, #c8d9f0 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: rgba(184,130,15,0.4);
}
.speaker-body { padding: 18px;min-height: 150px; }
.speaker-name { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: var(--text-dark); }
.speaker-role { font-size: .78rem; color: var(--rail-gold); font-weight: 700; text-transform: uppercase; letter-spacing: .8px; margin: 4px 0 8px; }
.speaker-org { font-size: .82rem; color: var(--text-muted); }

/* ── AGENDA ── */
.agenda-section { background: var(--bg-section); }
.agenda-item {
  display: flex; gap: 0;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 16px;
  transition: all .3s;
  background: var(--bg-section);
}
.agenda-item:hover { border-color: var(--rail-gold); box-shadow: 0 6px 24px rgba(184,130,15,.1); }
.agenda-num {
  background: linear-gradient(135deg,var(--rail-blue),var(--rail-blue-dark));
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  min-width: 60px;
  display: flex; align-items: center; justify-content: center;
}
.agenda-body { padding: 20px 22px; flex: 1; }
.agenda-session { font-family: var(--font-accent); font-size: .72rem; font-weight: 700; letter-spacing: 2px; color: var(--rail-gold); text-transform: uppercase; }
.agenda-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin: 6px 0 10px; }
.agenda-topics { list-style: none; padding: 0; margin: 0; }
.agenda-topics li { font-size: .82rem; color: var(--text-muted); padding: 2px 0; }
.agenda-topics li::before { content: '— '; color: var(--rail-gold); }

/* ── PARTNERS ── */
.partners-section { background: var(--bg-alt); }
.partner-tier-title {
  font-family: var(--font-accent);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rail-gold);
  text-align: center;
  margin-bottom: 20px;
}
.partner-logo-box {
  background: var(--bg-section);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  height: 90px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-accent);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 1px;
  transition: all .3s;
}
.partner-logo-box:hover { border-color: var(--rail-blue); color: var(--rail-blue); background: #EEF5FF; box-shadow: 0 4px 16px rgba(26,95,190,.12); }
.sponsor-pkg {
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  transition: all .3s;
  height: 100%;
  background: var(--bg-section);
}
.sponsor-pkg:hover { border-color: var(--rail-gold); transform: translateY(-4px); box-shadow: 0 12px 32px rgba(184,130,15,.1); }
.sponsor-pkg.featured { border-color: var(--rail-gold); background: #fffdf5; }
.sponsor-pkg-tier { font-family: var(--font-accent); font-size: .72rem; font-weight: 700; letter-spacing: 2px; color: var(--rail-gold); text-transform: uppercase; }
.sponsor-pkg-price { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: var(--text-dark); margin: 10px 0; }
.sponsor-pkg-list { list-style: none; padding: 0; text-align: left; }
.sponsor-pkg-list li { font-size: .82rem; color: var(--text-body); padding: 5px 0; border-bottom: 1px solid var(--border); }
.sponsor-pkg-list li i { color: var(--rail-gold); margin-right: 8px; }

/* ── CONTACT ── */
.contact-section { background: var(--bg-section); }
.contact-card {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  height: 100%;
  transition: border-color .3s, box-shadow .3s;
}
.contact-card:hover { border-color: var(--rail-gold); box-shadow: 0 8px 24px rgba(184,130,15,.1); }
.contact-role { font-family: var(--font-accent); font-size: .7rem; font-weight: 700; letter-spacing: 2px; color: var(--rail-gold); text-transform: uppercase; margin-bottom: 12px; }
.contact-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; color: var(--text-dark); margin-bottom: 14px; }
.contact-item { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; font-size: .88rem; color: var(--text-body); }
.contact-item i { color: var(--rail-gold); width: 16px; }
.contact-map {
  border-radius: 12px;
  overflow: hidden;
  border: 1.5px solid var(--border);
  height: 280px;
  background: linear-gradient(135deg, #dce8f8 0%, #c8d9f0 100%);
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
}
.contact-map i { font-size: 2.5rem; color: var(--rail-gold); margin-bottom: 10px; }
.contact-map p { color: var(--text-muted); font-size: .9rem; }
.contact-form-full {
  background: var(--bg-alt);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-top: 48px;
}
.contact-form-full h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 22px;
}

/* ── PAYMENT ── */
.payment-section { background: var(--bg-alt); }
.ticket-card {
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  height: 100%;
  transition: all .35s;
  background: var(--bg-section);
}
.ticket-card:hover { transform: translateY(-6px); border-color: var(--rail-gold); box-shadow: 0 20px 50px rgba(184,130,15,.12); }
.ticket-card.featured { border-color: var(--rail-gold); }
.ticket-header {
  background: #eef3fb;
  padding: 24px;
  text-align: center;
}
.ticket-card.featured .ticket-header { background: var(--rail-gold); }
.ticket-card.featured .ticket-header * { color: #fff !important; }
.ticket-type { font-family: var(--font-accent); font-size: .75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); }
.ticket-price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-dark);
  margin: 8px 0;
}
.ticket-price sup { font-size: 1rem; vertical-align: top; margin-top: 10px; display: inline-block; }
.ticket-body { padding: 22px; background: var(--bg-section); }
.ticket-features { list-style: none; padding: 0; margin: 0 0 20px; }
.ticket-features li { font-size: .85rem; color: var(--text-body); padding: 7px 0; border-bottom: 1px solid var(--border); }
.ticket-features li i { color: var(--rail-gold); margin-right: 8px; }
.btn-ticket {
  width: 100%;
  padding: 12px;
  border-radius: 6px;
  font-family: var(--font-accent);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all .25s;
}
.btn-ticket-gold { background: var(--rail-gold); color: #fff; }
.btn-ticket-gold:hover { background: var(--rail-gold-light); }
.btn-ticket-outline { background: transparent; color: var(--rail-blue); border: 2px solid var(--rail-blue); }
.btn-ticket-outline:hover { background: var(--rail-blue); color: #fff; }
.payment-secure {
  background: var(--bg-section);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin-top: 40px;
  text-align: center;
}
.payment-secure p { color: var(--text-muted); font-size: .85rem; margin: 0; }

/* ── FOOTER ── */
.footer {
  background: var(--rail-navy);
  border-top: 3px solid var(--rail-red);
  padding: 50px 0 24px;
}
.footer-brand { font-family: var(--font-accent); font-size: 1.4rem; font-weight: 800; color: #fff; letter-spacing: 1px; }
.footer-text { font-size: .84rem; color: rgba(255,255,255,.5); margin-top: 10px; }
.footer-heading { font-family: var(--font-accent); font-size: .7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--rail-gold); margin-bottom: 14px; }
.footer-link { display: block; font-size: .74rem; color: rgba(255,255,255,.55); margin-bottom: 7px; text-decoration: none; transition: color .2s; }
.footer-link:hover { color: var(--rail-gold); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); margin-top: 36px; padding-top: 18px; font-size: .78rem; color: rgba(255,255,255,.35); }
.social-icons { display: flex; gap: 12px; margin-top: 14px; }
.social-icon { width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.55); font-size: .85rem; transition: all .25s; text-decoration: none; }
.social-icon:hover { border-color: var(--rail-gold); color: var(--rail-gold); }

/* ── PAGE SECTIONS (SPA) ── */
.page-section { display: none; }
.page-section.active { display: block; }

/* ── SCROLL REVEAL ── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── DARK PAGE BANNERS ── */
.page-banner-dark {
  background: var(--rail-navy);
  padding: 60px 0 50px;
  border-bottom: 3px solid var(--brand-red);
  position: relative;
  overflow: hidden;
}
.page-banner-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg, transparent, transparent 59px,
    rgba(227,27,68,0.04) 59px, rgba(227,27,68,0.04) 60px
  );
  pointer-events: none;
}
.page-banner-dark .section-tag {
  color: var(--brand-red);
  border-bottom-color: var(--brand-red);
}
.page-banner-dark .hero-title {
  color: #fff !important;
}
.page-banner-dark p {
  color: rgba(255,255,255,0.6);
}
.page-banner-dark .banner-countdown {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 0;
}
.page-banner-dark .banner-countdown-unit {
  text-align: center;
  padding: 14px 22px;
  border: 1px solid rgba(227,27,68,0.25);
  background: rgba(227,27,68,0.07);
}
.page-banner-dark .banner-countdown-unit:not(:last-child) {
  border-right: none;
}
.page-banner-dark .banner-countdown-unit:first-child { border-radius: 6px 0 0 6px; }
.page-banner-dark .banner-countdown-unit:last-child  { border-radius: 0 6px 6px 0; }
.page-banner-dark .banner-cd-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  display: block;
}
.page-banner-dark .banner-cd-label {
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--brand-red);
  margin-top: 5px;
  display: block;
}

/* ── RESPONSIVE ── */
@media(max-width:767px) {
  .hero-section { padding-top: 72px; }
  .reg-form-card { margin-top: 32px; }
  .agenda-num { min-width: 46px; font-size: 1.2rem; }
  .hero-text-col, .reg-form-card { animation: none; opacity:1; transform:none; }
  .countdown-num { font-size: 1.6rem; }
  .section-pad { padding: 60px 0; }
}