/* ============================================
   MedCon — Medical Conference Organizer
   Design System & Stylesheet
   ============================================ */

/* ---------- CSS Variables / Color System ---------- */
:root {
  /* Primary — Blue */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Secondary — Deep Slate Navy */
  --secondary-50: #f8fafc;
  --secondary-100: #f1f5f9;
  --secondary-200: #e2e8f0;
  --secondary-300: #cbd5e1;
  --secondary-400: #94a3b8;
  --secondary-500: #64748b;
  --secondary-600: #475569;
  --secondary-700: #334155;
  --secondary-800: #1e293b;
  --secondary-900: #0f172a;

  /* Accent — Amber */
  --accent-50: #fffbeb;
  --accent-100: #fef3c7;
  --accent-300: #fcd34d;
  --accent-400: #fbbf24;
  --accent-500: #f59e0b;
  --accent-600: #d97706;

  /* Semantic */
  --success: #22c55e;
  --success-light: #dcfce7;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Typography */
  --font-sans: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --font-headings: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;

  /* Spacing — 8px system */
  --space-1: 0.5rem;   /* 8px */
  --space-2: 1rem;     /* 16px */
  --space-3: 1.5rem;   /* 24px */
  --space-4: 2rem;     /* 32px */
  --space-5: 2.5rem;   /* 40px */
  --space-6: 3rem;     /* 48px */
  --space-7: 4rem;     /* 64px */
  --space-8: 5rem;     /* 80px */
  --space-9: 6rem;     /* 96px */

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 900px;
  --header-height: 80px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 24px 56px rgba(15, 23, 42, 0.18);

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 3px solid var(--primary-400);
  outline-offset: 2px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.2;
  color: var(--secondary-900);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.2rem; }

p { line-height: 1.7; }

.text-primary { color: var(--primary-600); }
.text-white { color: var(--white); }
.text-center { text-align: center; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-2);
  width: 100%;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-2);
  width: 100%;
}

.section {
  padding: var(--space-8) 0;
}

.section-sm {
  padding: var(--space-6) 0;
}

.section-lg {
  padding: var(--space-9) 0;
}

.bg-light { background: var(--gray-50); }
.bg-primary { background: var(--primary-600); }
.bg-dark { background: var(--secondary-900); }

/* Section heading */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-6);
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-600);
  background: var(--primary-50);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.section-head h2 {
  margin-bottom: var(--space-2);
}

.section-head p {
  color: var(--gray-500);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
  line-height: 1.2;
}

.btn-primary {
  background: var(--primary-600);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-700);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--primary-600);
  border-color: var(--primary-600);
}

.btn-outline:hover {
  background: var(--primary-600);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--primary-700);
}

.btn-white:hover {
  background: var(--primary-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
  background: var(--white);
  color: var(--primary-700);
}

.btn-ghost {
  background: var(--primary-50);
  color: var(--primary-700);
}

.btn-ghost:hover {
  background: var(--primary-100);
}

.btn-lg {
  padding: 1rem 2.4rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

/* Transparent header on hero pages (body[data-page="index"]) */
body[data-page="index"] .site-header {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

body[data-page="index"] .site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

/* Non-home pages: solid header */
body:not([data-page="index"]) .site-header {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
}

body:not([data-page="index"]) .site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-3);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--secondary-900);
  flex-shrink: 0;
}

/* Logo on home page header (now solid white) */
body[data-page="index"] .site-header:not(.scrolled) .logo {
  color: var(--secondary-900);
}

body[data-page="index"] .site-header:not(.scrolled) .logo span {
  color: var(--primary-600);
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
}

.logo span {
  color: var(--primary-600);
}

/* Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-600);
  background: var(--primary-50);
}

/* Nav links on home page header (now solid white) */
body[data-page="index"] .site-header:not(.scrolled) .nav-link {
  color: var(--gray-700);
}

body[data-page="index"] .site-header:not(.scrolled) .nav-link:hover,
body[data-page="index"] .site-header:not(.scrolled) .nav-link.active {
  color: var(--primary-600);
  background: var(--primary-50);
}

.nav-link .chevron {
  font-size: 0.7rem;
  transition: transform var(--transition);
}

.nav-item.has-dropdown:hover .chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}

.nav-item.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.dropdown a:hover {
  background: var(--primary-50);
  color: var(--primary-600);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-toggle span {
  width: 26px;
  height: 3px;
  background: var(--secondary-800);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ---------- Page Banner (sub pages) ---------- */
.page-banner {
  background: linear-gradient(135deg, var(--secondary-900), var(--secondary-800));
  color: var(--white);
  padding: var(--space-7) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 70%);
  border-radius: 50%;
}

.page-banner .container{ padding-top:60px;}

.page-banner h1 {
  color: var(--white);
  margin-bottom: 0.5rem;
  position: relative;
}

.page-banner p {
  color: var(--secondary-300);
  font-size: 1.1rem;
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--space-2);
  font-size: 0.9rem;
  color: var(--secondary-400);
  position: relative;
}

.breadcrumb a:hover {
  color: var(--primary-300);
}

.breadcrumb .sep {
  color: var(--secondary-600);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #0b1f3a 0%, #15326a 55%, #1e4d9e 100%);
  color: var(--white);
  padding: calc(var(--header-height) + var(--space-7)) 0 var(--space-8);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Subtle world map silhouette watermark behind hero content */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='500' viewBox='0 0 1000 500'%3E%3Cg fill='%2393c5fd'%3E%3Cpath d='M118,92 C142,74 184,70 214,78 C240,84 256,98 260,118 C262,134 252,148 246,162 C240,178 224,188 208,192 C193,196 178,202 162,206 C147,209 132,200 122,186 C112,172 106,158 104,138 C101,118 104,102 118,92 Z'/%3E%3Cpath d='M282,58 C298,52 314,60 314,76 C311,90 300,96 286,92 C275,87 270,70 282,58 Z'/%3E%3Cpath d='M248,258 C266,248 286,256 296,272 C304,288 306,308 300,328 C294,348 284,368 276,388 C268,404 256,412 246,400 238,386 236,368 232,352 C228,332 224,312 222,292 C220,276 234,264 248,258 Z'/%3E%3Cpath d='M466,108 C484,98 512,96 528,104 C540,112 542,126 536,140 C529,150 514,154 498,150 C483,148 470,140 466,128 C462,118 462,114 466,108 Z'/%3E%3Cpath d='M458,208 C480,198 512,198 532,214 C550,230 558,256 554,282 C549,308 539,332 524,352 C514,367 498,374 482,368 C467,360 460,344 456,324 C452,299 450,274 454,249 C456,234 457,219 458,208 Z'/%3E%3Cpath d='M538,92 C580,78 642,72 702,78 C762,84 812,96 852,112 C882,124 898,140 900,158 C896,172 880,182 858,187 C828,194 793,197 758,193 C722,190 687,182 658,171 C623,159 593,144 573,127 C558,114 548,104 538,92 Z'/%3E%3Cpath d='M638,184 C650,179 666,183 673,196 C679,210 675,224 667,234 C659,242 649,239 644,228 C639,215 635,200 638,184 Z'/%3E%3Cpath d='M778,208 C790,203 802,207 804,218 C801,226 790,229 781,224 C775,220 773,212 778,208 Z'/%3E%3Cpath d='M808,233 C820,228 831,232 833,243 C830,251 819,254 811,249 C805,245 803,237 808,233 Z'/%3E%3Cpath d='M818,318 C846,310 876,314 896,328 C911,341 913,361 905,376 C894,389 874,393 854,388 C834,383 819,371 814,354 C811,339 814,323 818,318 Z'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.15;
  z-index: 0;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.12), transparent 65%);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.hero-content .badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.35);
  color: #93c5fd;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--space-2);
  line-height: 1.15;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
}

.hero-content h1 .highlight {
  color: #60a5fa;
}

.hero-content p {
  color: var(--secondary-300);
  font-size: 1.15rem;
  margin-bottom: var(--space-4);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
  justify-content: center;
}

.hero-stats {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-stat {
  text-align: center;
}

.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: #60a5fa;
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--secondary-400);
  margin-top: 0.25rem;
}

/* Search card inside hero */
.hero-search-card {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  margin: var(--space-5) auto 0;
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3);
}

.hero-search-card .search-card-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: var(--space-1);
  align-items: end;
}

.hero-search-card .search-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
}

/* ---------- Conference Search Bar ---------- */
.search-section {
  background: var(--white);
  margin-top: -50px;
  position: relative;
  z-index: 10;
  padding: 0 0 var(--space-6);
}

.search-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr auto;
  gap: var(--space-1);
  align-items: end;
}

.search-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.search-field label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.search-field input,
.search-field select {
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  color: var(--gray-800);
  transition: border-color var(--transition);
  background: var(--white);
  width: 100%;
}

.search-field input:focus,
.search-field select:focus {
  border-color: var(--primary-500);
  outline: none;
}

.search-card .btn {
  height: 46px;
}

/* ---------- Conference Cards ---------- */
.conf-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.conf-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.conf-card {
  background: var(--white);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-100);
}

.conf-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 42px rgba(15, 23, 42, 0.14);
}

.conf-card .conf-img {
  position: relative;
  height: 218px;
  overflow: hidden;
  isolation: isolate;
}

.conf-card .conf-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.conf-card:hover .conf-img img {
  transform: scale(1.07);
}

.conf-card .conf-img-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2), transparent 45%, rgba(15, 23, 42, 0.68));
  z-index: 1;
}

.conf-card .conf-img-topline {
  position: absolute;
  top: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
}

.conf-card .conf-cat,
.conf-card .conf-status {
  position: static;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.42rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.conf-card .conf-cat {
  background: rgba(37, 99, 235, 0.9);
}

.conf-card .conf-status {
  background: rgba(15, 23, 42, 0.62);
}

.conf-card .conf-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success-light);
  box-shadow: 0 0 0 3px rgba(134, 239, 172, 0.2);
}

.conf-card .conf-status.past i {
  background: var(--gray-300);
  box-shadow: none;
}

.conf-card .conf-img-number {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.conf-card .conf-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.conf-card .conf-meta {
  display: flex;
  gap: 0.85rem;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 0.7rem;
  flex-wrap: wrap;
}

.conf-card .conf-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.conf-card .conf-meta svg,
.conf-noimg-loc svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--primary-600);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.conf-card h3 {
  font-size: 1.22rem;
  margin-bottom: 0.55rem;
  color: var(--secondary-900);
  line-height: 1.28;
}

.conf-card .conf-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: var(--space-2);
  flex-grow: 1;
  line-height: 1.65;
}

.conf-card .conf-actions {
  display: flex;
  gap: 0.6rem;
  padding-top: var(--space-1);
  border-top: 1px solid var(--gray-100);
}

.conf-card .conf-actions .btn span,
.conf-noimg-action .btn span {
  margin-left: 0.25rem;
  font-size: 1rem;
}

/* ---------- No-Image Conference Cards (Style 2) ---------- */
.conf-noimg-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.conf-noimg-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.07);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
}

.conf-noimg-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.12);
  border-color: var(--primary-300);
}

.conf-noimg-card .date-block {
  position: relative;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  color: var(--white);
  padding: var(--space-3) var(--space-2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  overflow: hidden;
}

.conf-noimg-card .date-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 18%, rgba(255, 255, 255, 0.16), transparent 55%);
  pointer-events: none;
}

.conf-noimg-card .date-icon {
  display: flex;
  margin-bottom: 0.35rem;
}

.conf-noimg-card .date-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--white);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.92;
}

.conf-noimg-card .date-block .day {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
}

.conf-noimg-card .date-block .month {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 0.25rem;
}

.conf-noimg-card .date-block .year {
  font-size: 0.78rem;
  opacity: 0.8;
  margin-top: 0.15rem;
}

.conf-noimg-card .conf-noimg-marker {
  width: 16px;
  height: 16px;
  background: var(--white);
  border: 4px solid var(--primary-500);
  border-radius: 50%;
  position: absolute;
  left: 28px;
  top: 124px;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.3);
}

.conf-noimg-card .conf-noimg-body {
  padding: 26px 22px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.conf-noimg-card .conf-noimg-kicker {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.conf-noimg-card .conf-noimg-cat {
  position: static;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.conf-noimg-card .conf-noimg-status {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.conf-noimg-card .conf-noimg-status.upcoming {
  background: var(--success-light);
  color: #15803d;
}

.conf-noimg-card .conf-noimg-status.past {
  background: var(--gray-100);
  color: var(--gray-600);
}

.conf-noimg-card h3 {
  font-size: 1.18rem;
  margin-bottom: 0.5rem;
  color: var(--secondary-900);
  line-height: 1.3;
}

.conf-noimg-card .conf-noimg-loc {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.84rem;
  color: var(--gray-500);
  margin-bottom: 0.6rem;
}

.conf-noimg-card .conf-noimg-desc {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: var(--space-2);
  flex-grow: 1;
  line-height: 1.65;
}

.conf-noimg-card .conf-noimg-action {
  padding-top: var(--space-1);
  border-top: 1px solid var(--gray-100);
}

/* ---------- Country Cards ---------- */
.country-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: var(--space-2);
}

.country-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  text-align: center;
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.country-card:hover {
  border-color: var(--primary-400);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.country-card .country-flag {
  width: 48px;
  height: 36px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.12);
  flex-shrink: 0;
}

.country-card .country-flag img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.country-card .country-name {
  font-weight: 700;
  color: var(--secondary-900);
  font-size: 1rem;
}

.country-card .country-count {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* ---------- Gallery Linked Cards (Home Preview) ---------- */
.gallery-link-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.gallery-link-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-decoration: none;
  color: inherit;
  display: block;
}

.gallery-link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-link-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.gallery-link-card .gallery-link-title {
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--secondary-800);
  text-align: center;
}

.gallery-link-card:hover .gallery-link-title {
  color: var(--primary-600);
}

/* ---------- Category Cards ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-2);
}

.cat-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  text-align: center;
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.cat-card:hover {
  border-color: var(--primary-400);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.cat-card .cat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--primary-50);
  color: var(--primary-600);
  transition: all var(--transition);
}

.cat-card:hover .cat-icon {
  background: var(--primary-600);
  color: var(--white);
}

.cat-card .cat-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--secondary-800);
}

.cat-card .cat-count {
  font-size: 0.78rem;
  color: var(--gray-400);
}

/* ---------- Why Choose Us / Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.feature-card {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
}

.feature-card .feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--gray-600);
}

/* ---------- Stats / Counters ---------- */
.stats-section {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  padding: var(--space-7) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
  text-align: center;
}

.stat-item .stat-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.stat-item .stat-num .suffix {
  color: var(--primary-300);
}

.stat-item .stat-label {
  color: var(--primary-100);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  font-weight: 500;
}

/* ---------- Testimonials ---------- */
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.testi-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.testi-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.testi-rating {
  display: flex;
  gap: 2px;
  color: var(--accent-400);
  font-size: 1rem;
}

.testi-card .testi-text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.7;
  font-style: italic;
  flex-grow: 1;
}

.testi-card .testi-text::before {
  content: '\201C';
  font-size: 2.5rem;
  color: var(--primary-200);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 0.2rem;
}

.testi-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: var(--space-1);
  border-top: 1px solid var(--gray-100);
}

.testi-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testi-author .info strong {
  display: block;
  color: var(--secondary-900);
  font-size: 0.95rem;
}

.testi-author .info span {
  font-size: 0.82rem;
  color: var(--gray-500);
}

/* Video review cards */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.video-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--gray-100);
}

.video-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.video-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
  cursor: pointer;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-600);
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
}

.video-card:hover .video-play {
  background: var(--primary-600);
  color: var(--white);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-body {
  padding: var(--space-2);
}

.video-body strong {
  display: block;
  color: var(--secondary-900);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.video-body span {
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ---------- Gallery ---------- */
.gallery-year-heading {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--secondary-900);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--primary-100);
  display: inline-block;
  width: 100%;
}

.gallery-filters {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.filter-btn {
  padding: 0.5rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  color: var(--gray-600);
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.filter-btn:hover {
  background: var(--primary-50);
  color: var(--primary-600);
}

.filter-btn.active {
  background: var(--primary-600);
  color: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.gallery-item {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--gray-100);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  min-height: 34%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.72));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-2);
  opacity: 1;
  transition: background var(--transition);
}

.gallery-item:hover .gallery-caption {
  background: linear-gradient(to top, rgba(13, 72, 119, 0.96), rgba(15, 23, 42, 0.74));
}

.gallery-caption span {
  color: var(--primary-300);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.gallery-caption strong {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
}

.gallery-caption small {
  color: var(--primary-200);
  font-size: 0.78rem;
  margin-top: 0.2rem;
  font-weight: 600;
}

.gallery-caption small b {
  color: var(--white);
  font-size: 1rem;
  margin-left: 0.25rem;
}

/* ---------- CTA Section ---------- */
.cta-section {
  background: linear-gradient(135deg, var(--primary-700), var(--secondary-900));
  padding: var(--space-7) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 65%);
  border-radius: 50%;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--space-2);
  position: relative;
}

.cta-section p {
  color: var(--secondary-300);
  font-size: 1.15rem;
  margin-bottom: var(--space-4);
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ---------- White Home Page Variants ---------- */

/* Light hero: white background, dark text, blue accent */
.hero-light {
  background: var(--white);
  color: var(--secondary-900);
  padding-bottom: var(--space-6);
}

.hero-light::before {
  display: none;
}

.hero-light::after {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06), transparent 65%);
}

.hero-light .hero-content .badge {
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  color: var(--primary-700);
}

.hero-light .hero-content h1 {
  color: var(--secondary-900);
}

.hero-light .hero-content h1 .highlight {
  color: var(--primary-600);
}

.hero-light .hero-content p {
  color: var(--gray-600);
}

.hero-light .hero-stat .num {
  color: var(--primary-600);
}

.hero-light .hero-stat .label {
  color: var(--gray-500);
}

.hero-light .search-card {
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.1);
  border: 1px solid var(--gray-100);
}

/* Light stats: white background, colored numbers */
.stats-light {
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

.stats-light .stat-item .stat-num {
  color: var(--primary-600);
}

.stats-light .stat-item .stat-num .suffix {
  color: var(--primary-400);
}

.stats-light .stat-item .stat-label {
  color: var(--gray-600);
}

/* Light CTA: soft tinted background, dark text */
.cta-light {
  background: linear-gradient(135deg, var(--primary-50), #eef2ff);
  color: var(--secondary-900);
}

.cta-light::before {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent 65%);
}

.cta-light h2 {
  color: var(--secondary-900);
}

.cta-light p {
  color: var(--gray-600);
}

/* ---------- About Page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}

.about-grid .about-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-grid .about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content h2 {
  margin-bottom: var(--space-2);
}

.about-content p {
  margin-bottom: var(--space-2);
  color: var(--gray-600);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.mvv-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  text-align: center;
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.mvv-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-md);
}

.mvv-card .mvv-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: var(--primary-50);
  color: var(--primary-600);
}

.mvv-card h3 {
  margin-bottom: 0.5rem;
}

.mvv-card p {
  font-size: 0.92rem;
  color: var(--gray-600);
}

/* Goals list */
.goals-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.goal-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: var(--space-1);
  border-radius: var(--radius-md);
  background: var(--gray-50);
}

.goal-item .check {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-600);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.goal-item p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* Global reach */
.reach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.reach-item {
  text-align: center;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  background: var(--primary-50);
}

.reach-item .reach-flag {
  font-size: 2rem;
  margin-bottom: 0.3rem;
}

.reach-item .reach-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--secondary-800);
}

/* ---------- Conference Details Page ---------- */
.details-banner {
  background: linear-gradient(135deg, var(--secondary-900), var(--primary-900));
  color: var(--white);
  padding: var(--space-7) 0;
  position: relative;
  overflow: hidden;
}

.details-banner::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.15), transparent 65%);
  border-radius: 50%;
}

.details-banner .container {
  position: relative;
  z-index: 1;
}

.details-banner .conf-cat {
  display: inline-block;
  background: var(--primary-600);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.details-banner h1 {
  color: var(--white);
  margin-bottom: var(--space-2);
}

.details-meta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  color: var(--secondary-300);
  font-size: 1rem;
}

.details-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.details-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: var(--space-4);
  align-items: start;
}

.details-main h2 {
  font-size: 1.5rem;
  margin: var(--space-3) 0 var(--space-2);
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--primary-100);
}

.details-main h2:first-child {
  margin-top: 0;
}

.details-main p {
  margin-bottom: var(--space-2);
  color: var(--gray-600);
}

.session-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.session-item {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.8rem 1rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary-500);
}

.session-item .icon {
  color: var(--primary-600);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.session-item span {
  font-size: 0.9rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* Speakers */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.speaker-card {
  text-align: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.speaker-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.speaker-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.speaker-card .speaker-info {
  padding: 0.8rem;
}

.speaker-card strong {
  display: block;
  color: var(--secondary-900);
  font-size: 0.95rem;
}

.speaker-card span {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* Important dates */
.dates-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.date-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--primary-500);
}

.date-item .date-label {
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.92rem;
}

.date-item .date-value {
  font-weight: 700;
  color: var(--primary-600);
  font-size: 0.92rem;
}

/* Sidebar */
.details-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 20px);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.sidebar-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-1);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary-100);
}

.sidebar-card .info-row {
  display: flex;
  gap: 0.6rem;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--gray-100);
}

.sidebar-card .info-row:last-child {
  border-bottom: none;
}

.sidebar-card .info-row .icon {
  color: var(--primary-600);
  flex-shrink: 0;
  margin-top: 2px;
}

.sidebar-card .info-row .info-label {
  font-weight: 600;
  color: var(--gray-600);
  font-size: 0.8rem;
  display: block;
}

.sidebar-card .info-row .info-value {
  color: var(--secondary-800);
}

.sidebar-card .btn {
  margin-top: 0.5rem;
}

/* Sponsors */
.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.sponsor-item {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--gray-400);
  font-size: 1rem;
  transition: all var(--transition);
}

.sponsor-item:hover {
  border-color: var(--primary-300);
  color: var(--primary-600);
  background: var(--primary-50);
}

/* ---------- Contact Page ---------- */

/* Quick contact cards row */
.contact-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.contact-quick-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  text-align: center;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}

.contact-quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.contact-quick-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 0.6rem;
  background: var(--primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.contact-quick-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary-600);
  margin-bottom: 0.2rem;
}

.contact-quick-value {
  font-size: 0.9rem;
  color: var(--gray-700);
  font-weight: 500;
}

/* Main contact layout: form + sidebar */
.contact-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: var(--space-4);
  align-items: start;
}

.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}

/* Sidebar info panel */
.contact-info-panel {
  background: linear-gradient(135deg, var(--primary-50), #eef2ff);
  color: #222;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  position: relative;
  overflow: hidden;
}

.contact-info-panel::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-info-panel h3 {
  margin-bottom: var(--space-1);
  font-size: 1.3rem;
}

.contact-info-panel h4 {
  color: var(--primary--600);
  margin-top: var(--space-3);
  margin-bottom: var(--space-1);
  font-size: 1rem;
}

.contact-info-panel > p {
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
  line-height: 1.7;
}

.contact-info-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: var(--space-2);
}

.contact-info-item .icon {
  width: 42px;
  height: 42px;
  color:#FFF;
  background: var(--primary-600);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item .info-label {
  font-size: 0.8rem;
  color: var(--primary-600);
  margin-bottom: 0.15rem;
}

.contact-info-item .info-value {
  color: var(--black-400);
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-socials {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--space-1);
}

.contact-socials a {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all var(--transition);
}

.contact-socials a svg {
  width: 18px;
  height: 18px;
}

.contact-socials a:hover {
  background: var(--white);
  color: var(--primary-700);
  transform: translateY(-3px);
}

/* Form */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-1);
}

.form-group {
  margin-bottom: var(--space-1);
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.35rem;
}

.form-group label .req {
  color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  color: var(--gray-800);
  transition: all var(--transition);
  background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-500);
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--error);
}

.form-error {
  display: none;
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 0.3rem;
}

.form-group.error .form-error {
  display: block;
}

/* Form success message */
.form-success {
  display: none;
  background: var(--success-light);
  border: 1px solid var(--success);
  color: #166534;
  border-radius: var(--radius-md);
  padding: var(--space-2);
  text-align: center;
  margin-bottom: var(--space-2);
}

.form-success.show {
  display: block;
  animation: slideDown 0.4s ease;
}

.form-success strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

/* Map */
.map-placeholder {
  width: 100%;
  height: 350px;
  border-radius: var(--radius-lg);
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}

.map-placeholder .map-content {
  text-align: center;
  color: var(--gray-500);
}

.map-placeholder .map-content .icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

/* ---------- FAQ / Accordion ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.active {
  border-color: var(--primary-300);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--secondary-800);
  font-size: 0.98rem;
  background: none;
  width: 100%;
  text-align: left;
}

.faq-question .faq-icon {
  font-size: 1.3rem;
  color: var(--primary-600);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-question .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 1.5rem 1rem;
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--secondary-900);
  color: var(--secondary-300);
  padding: var(--space-7) 0 var(--space-2);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-2);
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--secondary-400);
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary-300);
  padding-left: 4px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.footer-logo span {
  color: var(--primary-400);
}

.footer-socials {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--space-2);
}

.footer-socials a {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary-300);
  transition: all var(--transition);
}

.footer-socials a svg {
  width: 16px;
  height: 16px;
}

.footer-socials a:hover {
  background: var(--primary-600);
  color: var(--white);
  transform: translateY(-3px);
}

/* Newsletter */
.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--space-1);
}

.newsletter-form input {
  flex: 1;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--secondary-700);
  background: var(--secondary-800);
  border-radius: var(--radius-md);
  color: var(--white);
  font-size: 0.9rem;
}

.newsletter-form input::placeholder {
  color: var(--secondary-500);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--primary-500);
}

.newsletter-form button {
  padding: 0.65rem 1.2rem;
  background: var(--primary-600);
  color: var(--white);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition);
}

.newsletter-form button:hover {
  background: var(--primary-700);
}

/* Footer contact */
.footer-contact-item {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  font-size: 0.88rem;
  align-items: flex-start;
}

.footer-contact-item .icon {
  color: var(--primary-400);
  flex-shrink: 0;
  margin-top: 3px;
  display: flex;
}

.footer-contact-item .icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-bottom {
  border-top: 1px solid var(--secondary-800);
  padding-top: var(--space-2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--secondary-500);
}

.footer-bottom .footer-links {
  display: flex;
  gap: var(--space-2);
}

.footer-bottom .footer-links a {
  font-size: 0.85rem;
  color: var(--secondary-400);
}

.footer-bottom .footer-links a:hover {
  color: var(--primary-300);
}

/* ---------- No Results ---------- */
.no-results {
  text-align: center;
  padding: var(--space-6) var(--space-2);
  grid-column: 1 / -1;
}

.no-results .icon {
  font-size: 3rem;
  color: var(--gray-300);
  margin-bottom: var(--space-1);
}

.no-results h3 {
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.no-results p {
  color: var(--gray-400);
}

/* ---------- Animations ---------- */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---------- Responsive ---------- */

/* Laptop — up to 1280px */
@media (max-width: 1280px) {
  .conf-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Tablet — up to 1024px */
@media (max-width: 1024px) {
  :root {
    --header-height: 70px;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-1);
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-100);
    transform: translateX(100%);
    transition: transform var(--transition);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    z-index: 999;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-link {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    justify-content: space-between;
    width: 100%;
  }

  .nav-item.has-dropdown .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
    padding: 0;
    margin-top: 0;
  }

  .nav-item.has-dropdown.open .dropdown {
    max-height: 250px;
    padding: 0.5rem 0;
  }

  .nav-item.has-dropdown.open .chevron {
    transform: rotate(180deg);
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none;
  }

  .header-actions .mobile-toggle {
    display: flex;
  }

  /* Show Register button inside mobile menu */
  .main-nav .nav-cta-mobile {
    display: block;
    margin-top: 0.5rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions,
  .hero-stats {
    justify-content: center;
  }

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .search-card,
  .hero .search-card {
    grid-template-columns: 1fr 1fr;
  }

  .search-card .search-field:first-child,
  .hero .search-card .search-field:first-child {
    grid-column: 1 / -1;
  }

  .conf-grid,
  .conf-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .conf-noimg-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-link-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .features-grid,
  .testi-grid,
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .mvv-grid {
    grid-template-columns: 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .about-grid .about-img {
    max-width: 550px;
    margin: 0 auto;
  }

  .details-layout {
    grid-template-columns: 1fr;
  }

  .details-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .details-sidebar .sidebar-card {
    flex: 1;
    min-width: 280px;
  }

  .speaker-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .footer-col:first-child {
    grid-column: 1 / -1;
  }
}

/* Mobile — up to 640px */
@media (max-width: 640px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: var(--space-6) 0;
  }

  .section-lg {
    padding: var(--space-7) 0;
  }

  .container {
    padding: 0 1rem;
  }

  .search-card,
  .hero .search-card {
    grid-template-columns: 1fr;
  }

  .search-card .search-field:first-child,
  .hero .search-card .search-field:first-child {
    grid-column: auto;
  }

  .conf-grid,
  .conf-grid.cols-2,
  .conf-noimg-grid,
  .features-grid,
  .testi-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  .gallery-link-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .goals-list {
    grid-template-columns: 1fr;
  }

  .reach-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .session-list {
    grid-template-columns: 1fr;
  }

  .speaker-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sponsor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-quick-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: var(--space-2);
  }

  .hero-stat .num {
    font-size: 1.5rem;
  }

  .hero-image .floating-card {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .details-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .details-sidebar {
    flex-direction: column;
  }
}

/* Small mobile — up to 400px */
@media (max-width: 400px) {
  h1 { font-size: 1.7rem; }
  h2 { font-size: 1.4rem; }

  .stat-item .stat-num {
    font-size: 2rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
}