/*
Theme Name: IABSCON 2027
Theme URI: https://iabscon2027.com
Author: Indian Academy of Biomedical Sciences
Author URI: https://iabscon2027.com
Description: Official conference theme for the International Conference on Indian Academy of Biomedical Sciences 2027, New Delhi, India. April 2027.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: iabscon2027
Tags: conference, academic, biomedical, science
*/

/* =============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================= */
:root {
  --navy:        #0B1F3A;
  --navy-deep:   #071428;
  --navy-mid:    #132D52;
  --teal:        #1B7A9E;
  --teal-light:  #2A9DC5;
  --teal-pale:   #E4F4FA;
  --gold:        #C8973A;
  --gold-light:  #E8B55A;
  --gold-pale:   #FBF3E4;
  --white:       #FFFFFF;
  --off-white:   #F7F9FB;
  --text-dark:   #0E1E30;
  --text-mid:    #374151;
  --text-muted:  #6B7280;
  --border:      #D1DCE8;
  --border-dark: #A0B4C6;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Serif 4', 'Georgia', serif;
  --font-sans:    'DM Sans', 'Segoe UI', sans-serif;
  --font-mono:    'Fira Mono', monospace;

  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;

  --shadow-sm:   0 1px 3px rgba(11,31,58,0.10);
  --shadow-md:   0 4px 16px rgba(11,31,58,0.12);
  --shadow-lg:   0 8px 32px rgba(11,31,58,0.16);
  --shadow-xl:   0 20px 60px rgba(11,31,58,0.20);

  --max-width:   1200px;
  --spacing-xs:  0.25rem;
  --spacing-sm:  0.5rem;
  --spacing-md:  1rem;
  --spacing-lg:  2rem;
  --spacing-xl:  4rem;
  --spacing-2xl: 6rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--teal-light); }

/* =============================================
   TYPOGRAPHY SYSTEM
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 0.75rem;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.875rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1.25rem; color: var(--text-mid); }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-mid);
}

.text-gold { color: var(--gold); }
.text-teal { color: var(--teal); }
.text-navy { color: var(--navy); }
.text-muted { color: var(--text-muted); }

/* =============================================
   LAYOUT UTILITIES
   ============================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-sm { max-width: 768px; margin: 0 auto; padding: 0 1.5rem; }
.container-lg { max-width: 1400px; margin: 0 auto; padding: 0 1.5rem; }

.section { padding: var(--spacing-2xl) 0; }
.section-sm { padding: var(--spacing-xl) 0; }
.section-lg { padding: 7rem 0; }

.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header .eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 600px; margin: 0 auto; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) { .grid-4 { grid-template-columns: 1fr; } }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.gap-lg { gap: 2rem; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200,151,58,0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.82rem; }

/* =============================================
   CARD SYSTEM
   ============================================= */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, transform 0.3s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.card-navy {
  background: var(--navy);
  color: var(--white);
  border: none;
}
.card-navy h2, .card-navy h3, .card-navy h4 { color: var(--white); }
.card-navy p { color: rgba(255,255,255,0.8); }

.card-teal-pale { background: var(--teal-pale); border-color: rgba(27,122,158,0.2); }
.card-gold-pale { background: var(--gold-pale); border-color: rgba(200,151,58,0.2); }

/* =============================================
   PAGE HERO
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-mid) 50%, #1A4A72 100%);
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4rem;
  color: var(--white);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 700px;
  height: 700px;
  border: 1px solid rgba(200,151,58,0.12);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -15%;
  width: 500px;
  height: 500px;
  border: 1px solid rgba(27,122,158,0.18);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero .eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; }

/* Decorative DNA helix pattern for hero */
.hero-dna {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.06;
  font-size: 220px;
  color: var(--white);
  user-select: none;
  pointer-events: none;
  z-index: 1;
  font-family: serif;
}

/* =============================================
   BREADCRUMB
   ============================================= */
.breadcrumb {
  background: var(--off-white);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}
.breadcrumb-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: var(--text-muted);
}
.breadcrumb-list a { color: var(--teal); }
.breadcrumb-list .sep { color: var(--border-dark); }

/* =============================================
   SITE HEADER & NAVIGATION
   ============================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(11,31,58,0.06);
  transition: box-shadow 0.3s;
}
#site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo .logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--teal) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.site-logo .logo-text { line-height: 1.2; }
.site-logo .logo-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}
.site-logo .logo-text span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.primary-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.primary-nav ul li a {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dark);
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  white-space: nowrap;
}
.primary-nav ul li a:hover,
.primary-nav ul li.current-menu-item a {
  color: var(--teal);
  background: var(--teal-pale);
}
.primary-nav .menu-cta a {
  background: var(--gold);
  color: var(--navy-deep) !important;
  font-weight: 700;
  padding: 0.5rem 1.25rem;
}
.primary-nav .menu-cta a:hover {
  background: var(--gold-light);
  color: var(--navy-deep) !important;
}

/* Dropdown */
.primary-nav ul li { position: relative; }
.primary-nav ul li:hover > .sub-menu { display: block; }
.sub-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  z-index: 100;
}
.sub-menu li a {
  display: block;
  padding: 0.5rem 0.875rem !important;
  font-size: 0.85rem !important;
  border-radius: var(--radius-sm);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--navy);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-md);
  }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0.25rem; }
  .primary-nav ul li a { display: block; }
  .sub-menu { position: static; box-shadow: none; border: none; padding-left: 1rem; }
}

/* =============================================
   TOPBAR
   ============================================= */
#topbar {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  padding: 0.4rem 0;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.topbar-inner a { color: var(--gold); }
.topbar-info { display: flex; align-items: center; gap: 1.5rem; }
.topbar-info span { display: flex; align-items: center; gap: 0.35rem; }
.topbar-social { display: flex; gap: 0.75rem; }
.topbar-social a { color: rgba(255,255,255,0.5); font-size: 1rem; transition: color 0.2s; }
.topbar-social a:hover { color: var(--gold); }
@media (max-width: 768px) { #topbar { display: none; } }

/* =============================================
   SITE FOOTER
   ============================================= */
#site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .logo-area { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem; }
.footer-brand .logo-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-family: var(--font-display); font-size: 1rem; font-weight: 700;
}
.footer-brand strong { font-family: var(--font-display); color: var(--white); font-size: 1.05rem; }
.footer-brand p { font-size: 0.88rem; line-height: 1.75; color: rgba(255,255,255,0.55); margin-bottom: 1.25rem; }

.footer-social { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: all 0.2s;
}
.footer-social a:hover { background: var(--gold); color: var(--navy-deep); }

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--gold); }

.footer-newsletter h4 {
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.25rem;
}
.footer-newsletter p { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-bottom: 1rem; }
.newsletter-form { display: flex; gap: 0.5rem; }
.newsletter-form input {
  flex: 1; padding: 0.65rem 0.875rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--white); font-size: 0.85rem; font-family: var(--font-sans);
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.3); }
.newsletter-form input:focus { outline: none; border-color: var(--teal); }
.newsletter-form button {
  padding: 0.65rem 1rem;
  background: var(--gold); border: none; border-radius: var(--radius-sm);
  color: var(--navy-deep); font-weight: 700; font-family: var(--font-sans);
  font-size: 0.82rem; cursor: pointer; transition: background 0.2s;
}
.newsletter-form button:hover { background: var(--gold-light); }

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-bottom p {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}
.footer-bottom-links a:hover { color: var(--gold); }

/* =============================================
   FORMS (Global)
   ============================================= */
.form-group { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}
label .required { color: #E53E3E; margin-left: 2px; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="url"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-dark);
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(27,122,158,0.12);
}
textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-hint {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}
.form-error {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: #E53E3E;
  margin-top: 0.35rem;
  display: none;
}
.field-error input, .field-error select, .field-error textarea { border-color: #E53E3E; }
.field-error .form-error { display: block; }

.radio-group, .checkbox-group { display: flex; flex-direction: column; gap: 0.625rem; }
.radio-item, .checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  cursor: pointer;
}
.radio-item input[type="radio"],
.checkbox-item input[type="checkbox"] {
  width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px;
  accent-color: var(--teal);
}
.radio-item span, .checkbox-item span {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.5;
}

/* =============================================
   ALERT BOXES
   ============================================= */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  border: 1px solid transparent;
}
.alert-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.alert-info { background: var(--teal-pale); border-color: rgba(27,122,158,0.25); color: #1A5F7A; }
.alert-success { background: #F0FFF4; border-color: #9AE6B4; color: #276749; }
.alert-warning { background: #FFFBEB; border-color: #FCD34D; color: #92400E; }
.alert-danger { background: #FFF5F5; border-color: #FEB2B2; color: #9B2C2C; }

/* =============================================
   BADGES & LABELS
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 999px;
}
.badge-gold { background: var(--gold-pale); color: #7D5A0D; border: 1px solid rgba(200,151,58,0.3); }
.badge-teal { background: var(--teal-pale); color: #0E5875; border: 1px solid rgba(27,122,158,0.3); }
.badge-navy { background: var(--navy); color: var(--white); }

/* =============================================
   TIMELINE
   ============================================= */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--teal));
  border-radius: 2px;
}
.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.75rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -1.675rem;
  top: 0.375rem;
  width: 12px;
  height: 12px;
  background: var(--gold);
  border: 2px solid var(--white);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--gold);
}
.timeline-date {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 0.25rem;
}
.timeline-item h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.timeline-item p { font-size: 0.88rem; margin: 0; }

/* =============================================
   ACCORDION
   ============================================= */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
}
.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  transition: background 0.2s;
}
.accordion-trigger:hover { background: var(--off-white); }
.accordion-trigger.active { background: var(--teal-pale); color: var(--teal); }
.accordion-icon { font-size: 0.85rem; transition: transform 0.3s; flex-shrink: 0; }
.accordion-trigger.active .accordion-icon { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 1.5rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.accordion-body.open { display: block; }

/* =============================================
   STEPS / PROCESS
   ============================================= */
.steps { display: flex; flex-direction: column; gap: 1.5rem; }
.step { display: flex; gap: 1.25rem; align-items: flex-start; }
.step-number {
  width: 36px; height: 36px; flex-shrink: 0;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
}
.step-content h4 { margin-bottom: 0.25rem; }
.step-content p { font-size: 0.9rem; margin: 0; }

/* =============================================
   NOTICE BOX
   ============================================= */
.notice-box {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  position: relative;
  overflow: hidden;
}
.notice-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--gold);
}
.notice-box h3 { color: var(--gold); margin-bottom: 0.5rem; }
.notice-box p { color: rgba(255,255,255,0.8); margin: 0; }

/* =============================================
   STAT BOXES
   ============================================= */
.stat-box { text-align: center; padding: 2rem; }
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =============================================
   SPEAKER / PROFILE CARD
   ============================================= */
.speaker-card {
  text-align: center;
  padding: 2rem 1.5rem;
}
.speaker-avatar {
  width: 100px; height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  border: 3px solid var(--border);
}
.speaker-avatar-placeholder {
  width: 100px; height: 100px;
  background: linear-gradient(135deg, var(--navy-mid), var(--teal));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem;
  font-family: var(--font-display);
  font-size: 2rem;
  color: rgba(255,255,255,0.6);
}
.speaker-card h4 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.speaker-card .title { font-family: var(--font-sans); font-size: 0.82rem; color: var(--teal); margin-bottom: 0.1rem; }
.speaker-card .institution { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-muted); }

/* =============================================
   COUNTDOWN
   ============================================= */
.countdown-wrapper {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}
.countdown-unit {
  text-align: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  min-width: 90px;
}
.countdown-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  display: block;
}
.countdown-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin-top: 0.35rem;
  display: block;
}

/* =============================================
   WORDPRESS CORE COMPATIBILITY
   ============================================= */
.alignnone { margin: 0.5rem 0.5rem 0.5rem 0; }
.aligncenter { display: block; margin: 0 auto 0.5rem; text-align: center; }
.alignright { float: right; margin: 0.5rem 0 0.5rem 1rem; }
.alignleft { float: left; margin: 0.5rem 1rem 0.5rem 0; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.82rem; color: var(--text-muted); font-style: italic; margin-top: 0.5rem; }

/* =============================================
   RESPONSIVE UTILITIES
   ============================================= */
@media (max-width: 768px) {
  .hide-mobile { display: none; }
  .section { padding: 3.5rem 0; }
  .section-lg { padding: 4rem 0; }
}
@media (min-width: 769px) { .hide-desktop { display: none; } }

/* =============================================
   PRINT
   ============================================= */
@media print {
  #topbar, #site-header, #site-footer, .btn { display: none; }
  body { font-size: 12pt; }
}