/* ==========================================================================
   SIBACOM Main Stylesheet
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--sibacom-text-primary);
  background-color: var(--sibacom-bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--sibacom-bg);
  color: var(--sibacom-text-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.font-display {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--sibacom-text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 0.95rem; }

p {
  margin-bottom: 1rem;
  color: var(--sibacom-text-secondary);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--sibacom-primary);
  text-decoration: none;
  transition: all 0.25s ease;
}

a:hover {
  color: var(--sibacom-techgreen);
}

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

/* Enforce proportional constraints on official logos */
img.society-logo {
  height: 42px;
  max-height: 42px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  display: inline-block;
}

img.uni-logo {
  height: 44px;
  max-height: 48px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  display: inline-block;
}

/* Layout Containers */
.sibacom-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.sibacom-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  position: relative;
}

.sibacom-section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.sibacom-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background-color: var(--sibacom-white);
  box-shadow: var(--neu-flat);
  border: 1px solid var(--sibacom-border-neu);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sibacom-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.sibacom-badge .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--sibacom-techgreen);
  animation: sibacomPulse 2s infinite;
}

@keyframes sibacomPulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(7, 155, 88, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(7, 155, 88, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(7, 155, 88, 0); }
}

.sibacom-gradient-text {
  background: linear-gradient(135deg, var(--sibacom-primary) 0%, var(--sibacom-navy) 40%, var(--sibacom-techgreen) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--sibacom-primary);
  display: inline-block;
}

/* Buttons */
.sibacom-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.85rem;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  border: none;
  text-decoration: none;
}

.sibacom-btn-primary {
  background: linear-gradient(135deg, var(--sibacom-primary) 0%, var(--sibacom-navy) 100%);
  color: var(--sibacom-white) !important;
  box-shadow: var(--neu-glow-primary);
}

.sibacom-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -5px rgba(23, 63, 145, 0.5);
}

.sibacom-btn-secondary {
  background-color: var(--sibacom-white);
  color: var(--sibacom-primary) !important;
  box-shadow: var(--neu-raised);
  border: 1px solid var(--sibacom-border-neu);
}

.sibacom-btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--neu-hover);
  color: var(--sibacom-techgreen) !important;
}

.sibacom-btn-tech {
  background: linear-gradient(135deg, var(--sibacom-techgreen) 0%, #05703f 100%);
  color: var(--sibacom-white) !important;
  box-shadow: var(--neu-glow-green);
}

.sibacom-btn-tech:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -5px rgba(7, 155, 88, 0.55);
}

/* Circuit pattern overlay - Crisp dual-accent matrix with transparent gaps and isolated stacking */
.sibacom-circuit-bg {
  position: relative;
  isolation: isolate;
  background-color: var(--sibacom-bg);
}

.sibacom-circuit-bg > * {
  position: relative;
  z-index: 1;
}

.sibacom-circuit-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(23, 63, 145, 0.08) 1.5px, transparent 1.5px),
                    radial-gradient(rgba(7, 155, 88, 0.06) 1.5px, transparent 1.5px);
  background-size: 32px 32px;
  background-position: 0 0, 16px 16px;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}

/* Global Content Sharpness & Visual Clarity Guarantee */
.neu-card,
.neu-card-flat,
.sibacom-highlight-card,
.sibacom-speaker-card,
.sibacom-timeline-card,
.sibacom-org-card,
.sibacom-event-card,
.sibacom-info-card,
.sibacom-guest-card,
.sibacom-sponsor-card,
.sibacom-section-header,
.sibacom-badge {
  opacity: 1;
  filter: none;
  visibility: visible;
}

/* Elementor Editor & Preview Parity */
body.elementor-editor-active .neu-card,
body.elementor-editor-active .neu-card-flat,
body.elementor-editor-active .sibacom-highlight-card,
body.elementor-editor-active .sibacom-speaker-card,
body.elementor-editor-active .sibacom-timeline-card,
body.elementor-editor-active .sibacom-org-card,
body.elementor-editor-active .sibacom-event-card,
body.elementor-editor-active .sibacom-info-card,
body.elementor-editor-active .sibacom-guest-card,
body.elementor-editor-active .sibacom-sponsor-card,
body.elementor-editor-active .sibacom-section-header,
body.elementor-editor-active .sibacom-badge,
body.elementor-editor-preview .neu-card,
body.elementor-editor-preview .neu-card-flat,
body.elementor-editor-preview .sibacom-highlight-card,
body.elementor-editor-preview .sibacom-speaker-card,
body.elementor-editor-preview .sibacom-timeline-card,
body.elementor-editor-preview .sibacom-org-card,
body.elementor-editor-preview .sibacom-event-card,
body.elementor-editor-preview .sibacom-info-card,
body.elementor-editor-preview .sibacom-guest-card,
body.elementor-editor-preview .sibacom-sponsor-card,
body.elementor-editor-preview .sibacom-section-header,
body.elementor-editor-preview .sibacom-badge {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
  visibility: visible !important;
}

body.elementor-editor-active .sibacom-header,
body.elementor-editor-preview .sibacom-header {
  position: relative !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: 50 !important;
}

body.elementor-editor-active .sibacom-circuit-bg::before,
body.elementor-editor-preview .sibacom-circuit-bg::before {
  pointer-events: none !important;
}

/* Alignment utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }