/* =============================================
   PAGE-SPECIFIC STYLES – index.html (Home)
   ICTE 2026 – 6th International Conference of TESOL & Education
   ============================================= */

/* =============================================
   HERO SECTION
   ============================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-primary-dark);
}

/* Background layers */
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(42, 82, 152, 0.35) 0%, transparent 70%),
    radial-gradient(ellipse 50% 70% at 10% 80%, rgba(245, 166, 35, 0.08) 0%, transparent 60%),
    linear-gradient(160deg, #0A0F1E 0%, #0F2548 40%, #1A3C6E 100%);
}

/* Grid pattern overlay */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Decorative shapes */
.hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero__shape--1 {
  width: 600px;
  height: 600px;
  background: var(--color-accent);
  top: -200px;
  right: -100px;
  animation: floatShape 8s ease-in-out infinite;
}

.hero__shape--2 {
  width: 400px;
  height: 400px;
  background: var(--color-primary-light);
  bottom: -100px;
  left: -100px;
  animation: floatShape 10s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 250px;
  height: 250px;
  background: var(--color-accent);
  top: 30%;
  left: 30%;
  animation: floatShape 12s ease-in-out infinite;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-10px, 15px) scale(0.97); }
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 10;
  padding-top: var(--header-height);
  width: 100%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding: var(--space-16) 0;
}

.hero__left {
  max-width: 620px;
}

.hero__event-info {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(245, 166, 35, 0.12);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease 0.2s both;
}

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

.hero__event-text {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.03em;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__title-accent {
  color: var(--color-accent);
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 700;
}

.hero__tagline {
  font-size: clamp(var(--text-base), 1.5vw, var(--text-xl));
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  animation: fadeInUp 0.6s ease 0.4s both;
}

/* Event details chips */
.hero__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  animation: fadeInUp 0.6s ease 0.5s both;
}

.hero__detail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
}

.hero__detail-icon {
  font-size: 1rem;
  opacity: 0.8;
}

/* CTA buttons */
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fadeInUp 0.6s ease 0.6s both;
}

/* Right side - countdown box */
.hero__right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__countdown-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
  width: 100%;
  max-width: 480px;
  animation: fadeIn 0.8s ease 0.5s both;
}

.hero__countdown-label {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero__countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero__countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.hero__countdown-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  width: 100%;
  text-align: center;
  line-height: 1;
}

.hero__countdown-unit {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}

.hero__countdown-date {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.03em;
  margin-bottom: var(--space-6);
}

/* Scroll indicator at bottom of hero */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  animation: fadeIn 1s ease 1s both;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero__scroll-text {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    padding: var(--space-12) 0;
    text-align: center;
  }

  .hero__left {
    max-width: 100%;
  }

  .hero__event-info,
  .hero__details,
  .hero__cta {
    justify-content: center;
  }

  .hero__right {
    padding-bottom: var(--space-8);
  }
}

@media (max-width: 480px) {
  .hero__countdown-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================================
   ABOUT SECTION
   ============================================= */
#about {
  background: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__image-wrap {
  position: relative;
  padding-bottom: 1.5rem;
  padding-right: 1.5rem;
}

.about__image-main {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__image-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}

.about__image-icon {
  font-size: 5rem;
  opacity: 0.3;
}

.about__stats {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-card);
  display: flex;
  gap: var(--space-6);
  z-index: 2;
}

.about__stat {
  text-align: center;
}

.about__stat-num {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
}

.about__stat-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.about__right {
  padding: var(--space-4) 0;
}

.about__text {
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.about__text--lead {
  font-size: var(--text-xl);
  color: var(--color-gray-700);
  font-weight: 400;
  margin-bottom: var(--space-5);
}

.about__themes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.about__theme {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-700);
}

.about__theme-dot {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__stats {
    position: static;
    margin-top: var(--space-4);
    justify-content: center;
  }
}

/* =============================================
   TOPICS SECTION
   ============================================= */
#topics {
  background: var(--color-gray-50);
}

.topics__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.topics__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .topics__grid { grid-template-columns: 1fr; }
}

/* =============================================
   SPEAKERS SECTION
   ============================================= */
#speakers {
  background: var(--color-white);
}

.speakers__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-12);
  gap: var(--space-6);
}

.speakers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .speakers__grid { grid-template-columns: repeat(2, 1fr); }
  .speakers__header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .speakers__grid { grid-template-columns: 1fr; }
}

/* =============================================
   SCHEDULE PREVIEW SECTION
   ============================================= */
#schedule-preview {
  background: var(--color-gray-50);
}

.schedule-preview__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.schedule-tabs {
  display: flex;
  gap: var(--space-2);
  background: var(--color-gray-100);
  padding: var(--space-1);
  border-radius: var(--radius-full);
  width: fit-content;
  margin: 0 auto var(--space-10);
}

.schedule-tab {
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-500);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  white-space: nowrap;
}

.schedule-tab.active,
.schedule-tab:hover {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.schedule-tab.active {
  color: var(--color-primary);
}

.schedule-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-gray-100);
}

.schedule-day {
  display: none;
}

.schedule-day.active {
  display: block;
}

/* =============================================
   STATS SECTION
   ============================================= */
#stats {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
}

#stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
}

.stats__inner {
  position: relative;
  z-index: 1;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

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

/* =============================================
   SPONSORS SECTION
   ============================================= */
#sponsors {
  background: var(--color-white);
}

.sponsors__header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.sponsors__tier {
  margin-bottom: var(--space-12);
}

.sponsors__tier-label {
  text-align: center;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-gray-400);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  position: relative;
}

.sponsors__tier-label::before,
.sponsors__tier-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--color-gray-200);
}

.sponsors__tier-label::before { right: calc(50% + 4rem); }
.sponsors__tier-label::after { left: calc(50% + 4rem); }

.sponsors__logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

.sponsors__logos--platinum .sponsor-logo {
  min-width: 200px;
  min-height: 100px;
}

.sponsors__logos--gold .sponsor-logo {
  min-width: 160px;
  min-height: 80px;
}

.sponsors__logos--silver .sponsor-logo {
  min-width: 120px;
  min-height: 70px;
}

/* =============================================
   CTA BANNER SECTION
   ============================================= */
#cta {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #0F2548 50%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
}

#cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

#cta::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(42, 82, 152, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-24) 0;
  max-width: 760px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.cta__subtitle {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta__note {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
}

/* =============================================
   FEATURED SNIPPET / QUOTE
   ============================================= */
.quote-card {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.quote-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: var(--space-6);
  font-family: var(--font-display);
  font-size: 12rem;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  pointer-events: none;
}

.quote-card__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-style: italic;
  line-height: 1.6;
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-6);
}

.quote-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.quote-card__avatar {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.quote-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
}

.quote-card__role {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
}

/* =============================================
   HERO – Updated for ICTE 2026
   ============================================= */

/* Theme badge in hero */
.hero__theme-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  background: rgba(245, 166, 35, 0.1);
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-md);
  padding: 0.625rem 1rem;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease 0.45s both;
  line-height: 1.4;
}

.hero__theme-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  opacity: 0.8;
}

/* Inline countdown below CTA */
.hero__countdown-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  animation: fadeInUp 0.6s ease 0.7s both;
}

.hero__countdown-inline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__countdown-inline-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.875rem;
  line-height: 1;
  min-width: 60px;
  text-align: center;
}

.hero__countdown-inline-unit {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.375rem;
  font-weight: 500;
}

.hero__countdown-inline-sep {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 1.2rem;
}

/* Banner image frame */
.hero__banner-frame {
  position: relative;
  width: 100%;
  max-width: 520px;
  animation: fadeIn 0.8s ease 0.4s both;
}

.hero__banner-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  display: block;
}

.hero__deadline-chip {
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  background: var(--color-white);
  color: var(--color-gray-700);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}

.hero__deadline-chip svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.hero__deadline-chip strong {
  color: var(--color-primary);
  font-weight: 700;
}

@media (max-width: 1024px) {
  .hero__banner-frame { max-width: 100%; }
  .hero__countdown-inline { justify-content: center; }
}

/* =============================================
   PUBLICATION SECTION
   ============================================= */

/* Springer featured banner */
.pub__springer-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  background: linear-gradient(135deg, rgba(245, 166, 35, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(245, 166, 35, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-10);
  margin-bottom: var(--space-10);
}

.pub__springer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(245, 166, 35, 0.15);
  color: var(--color-accent);
  border: 1px solid rgba(245, 166, 35, 0.3);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.875rem;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.pub__springer-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.pub__springer-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: var(--space-5);
}

.pub__springer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pub__springer-tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.65);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.pub__springer-right {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.pub__springer-logo-wrap {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.pub__springer-logo {
  max-width: 180px;
  height: auto;
  display: block;
}

.pub__springer-note {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  text-align: center;
  letter-spacing: 0.03em;
}

/* Journal cards grid */
.pub__journals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.pub__journal-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.pub__journal-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.pub__journal-rank {
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}

.pub__journal-rank--q1 {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.pub__journal-rank--q2 {
  background: #E0E0E0;
  color: #333;
}

.pub__journal-rank--press {
  background: linear-gradient(135deg, #E67E22, #D35400);
  color: white;
}

.pub__journal-body {
  padding: var(--space-6);
}

.pub__journal-scope {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.pub__journal-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.pub__journal-fullname {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.pub__journal-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.pub__journal-link-btn {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: transform var(--transition-base);
}

.pub__journal-link-btn:hover {
  transform: translateX(5px);
}

/* ICTE Press List Links */
.pub__journal-list-link {
  color: #ffffff !important;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-weight: 600;
}

.pub__journal-list-link:hover {
  color: var(--color-accent) !important;
  transform: translateX(6px);
}

.pub__journal-list-link:active {
  transform: scale(0.92);
  opacity: 0.7;
}
.pub__journal-link-btn:active {
  transform: scale(0.95);
}

.pub__journal-link-btn:hover {
  color: var(--color-accent-light);
}

/* More journals strip */
.pub__more-journals {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  margin-bottom: var(--space-8);
}

.pub__more-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.pub__more-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.pub__more-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pub__more-abbr {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--color-accent);
  background: rgba(245, 166, 35, 0.12);
  border: 1px solid rgba(245, 166, 35, 0.2);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.pub__more-name {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

/* Publication fees strip */
.pub__fees-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
}

.pub__fees-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-1);
}

.pub__fees-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pub__fees-price {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-accent);
}

.pub__fees-note {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}

.pub__fees-divider {
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 768px) {
  .pub__journals-grid { grid-template-columns: 1fr; }
  .pub__springer-banner { flex-direction: column; text-align: center; }
  .pub__springer-meta { justify-content: center; }
  .pub__fees-strip { justify-content: center; }
  .pub__fees-divider { display: none; }
}

/* =============================================
   FEATURED SPEAKER (Presidential Keynote)
   ============================================= */
.speaker-featured {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  margin-bottom: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.speaker-featured::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.speaker-featured__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.3);
  color: var(--color-accent);
  padding: 0.375rem 1rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.speaker-featured__inner {
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
}

.speaker-featured__avatar {
  flex-shrink: 0;
  position: relative;
  width: 100px;
  height: 100px;
}

.speaker-featured__initials {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-white);
}

.speaker-featured__avatar-bg {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(245, 166, 35, 0.3);
  animation: pulse 3s ease-in-out infinite;
}

.speaker-featured__name {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.speaker-featured__title {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-4);
  line-height: 1.4;
}

.speaker-featured__bio {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: var(--space-5);
  max-width: 700px;
}

.speaker-featured__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 640px) {
  .speaker-featured__inner { flex-direction: column; align-items: center; text-align: center; }
  .speaker-featured__tags { justify-content: center; }
}

/* =============================================
   IMPORTANT DATES SECTION
   ============================================= */
.dates__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.date-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.date-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.date-card--past {
  opacity: 0.65;
}

.date-card--active {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), var(--shadow-card);
}

.date-card--highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-color: transparent;
  color: white;
}

.date-card__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--color-gray-50);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.date-card--highlight .date-card__icon {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.date-card--active .date-card__icon {
  background: rgba(245, 166, 35, 0.1);
  color: var(--color-accent);
}

.date-card__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gray-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-1);
}

.date-card--highlight .date-card__label { color: rgba(255, 255, 255, 0.6); }

.date-card__date {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-gray-800);
  line-height: 1.4;
  margin-bottom: var(--space-2);
}

.date-card--highlight .date-card__date { color: var(--color-white); }

.date-card__status {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.date-card__status--closed {
  background: var(--color-gray-100);
  color: var(--color-gray-500);
}

.date-card__status--open {
  background: rgba(245, 166, 35, 0.12);
  color: var(--color-accent-dark);
}

.date-card__status--upcoming {
  background: rgba(26, 60, 110, 0.08);
  color: var(--color-primary);
}

.date-card__status--conference {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

@media (max-width: 1024px) {
  .dates__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .dates__grid { grid-template-columns: 1fr; }
}

/* =============================================
   REGISTRATION SECTION
   ============================================= */
.reg__early-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.2);
  color: var(--color-gray-600);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
}

.reg__early-note svg {
  color: var(--color-accent);
}

.reg__tables-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.reg__table {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.reg__table-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-2);
}

.reg__table-flag {
  font-size: 2rem;
}

.reg__table-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
}

.reg__table-currency {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reg__table-body {
  padding: var(--space-2) 0;
}

.reg__table-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-gray-50);
  font-size: var(--text-sm);
  align-items: center;
}

.reg__table-row:last-child {
  border-bottom: none;
}

.reg__table-row--header {
  background: var(--color-gray-50);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-gray-400);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.reg__price-early {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.reg__price-regular {
  color: var(--color-gray-400);
  white-space: nowrap;
}

.reg__payment-note {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  padding: 0.875rem 1.5rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
}

.reg__payment-note svg {
  color: var(--color-gray-400);
}

@media (max-width: 768px) {
  .reg__tables-grid { grid-template-columns: 1fr; }
}

/* =============================================
   ABOUT PAGE & HISTORY TIMELINE
   ============================================= */

.about-hero {
  background: linear-gradient(135deg, var(--color-gray-900) 0%, #1a2a44 100%);
  padding: 8rem 0 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.history-timeline {
  position: relative;
  padding: 4rem 0;
}

.history-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  left: 31px;
  width: 2px;
  height: 100%;
  background: var(--color-gray-200);
}

@media (min-width: 768px) {
  .history-timeline::before {
    left: 50%;
    margin-left: -1px;
  }
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 0;
  left: 32px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border: 4px solid var(--color-white);
  border-radius: 50%;
  margin-left: -8px;
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

@media (min-width: 768px) {
  .timeline-dot {
    left: 50%;
  }
}

.timeline-content {
  position: relative;
  width: calc(100% - 60px);
  margin-left: 60px;
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .timeline-content {
    width: calc(50% - 50px);
    margin-left: 0;
  }

  .timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
  }

  /* Triangle arrows */
  .timeline-item:nth-child(odd) .timeline-content::after {
    content: "";
    position: absolute;
    top: 20px;
    right: -10px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid var(--color-white);
  }

  .timeline-item:nth-child(even) .timeline-content::after {
    content: "";
    position: absolute;
    top: 20px;
    left: -10px;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 10px solid var(--color-white);
  }
}

.timeline-year {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #e6f0ff;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.timeline-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.timeline-venue {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Feature Grid for About */
.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.about-feature-card {
  padding: 3rem 2.5rem;
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-base);
}

.about-feature-card:hover {
  border-color: #e6f0ff;
  background: linear-gradient(to bottom, var(--color-white), var(--color-gray-50));
  transform: translateY(-8px);
}

.about-feature-icon {
  width: 60px;
  height: 60px;
  background: #e6f0ff;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  color: var(--color-primary);
  font-size: 1.5rem;
}