/* ============================================================
   GILI 2026 — index.html Styles
   ============================================================ */

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-primary-dark);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

/* Fallback gradient when no image */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 35, 66, 0.92) 0%,
    rgba(0, 100, 140, 0.80) 50%,
    rgba(0, 180, 216, 0.65) 100%
  );
  z-index: 1;
}

/* Wave overlay at bottom */
.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23f0f4f8' fill-opacity='1' d='M0,64L60,58.7C120,53,240,43,360,48C480,53,600,75,720,80C840,85,960,75,1080,64C1200,53,1320,43,1380,37.3L1440,32L1440,120L1380,120C1320,120,1200,120,1080,120C960,120,840,120,720,120C600,120,480,120,360,120C240,120,120,120,60,120L0,120Z'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: calc(var(--navbar-height) + var(--space-12));
  padding-bottom: var(--space-24);
}

.hero__inner {
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(0, 180, 216, 0.18);
  border: 1px solid rgba(0, 180, 216, 0.40);
  color: #7ee8fa;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
  backdrop-filter: blur(8px);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--color-primary-teal);
}

.hero__conjunction {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.75);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.hero__theme {
  font-size: var(--fs-md);
  color: rgba(255,255,255,0.85);
  font-style: italic;
  border-left: 3px solid var(--color-primary-teal);
  padding-left: var(--space-4);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.85);
  font-size: var(--fs-sm);
  font-weight: 600;
  font-family: var(--font-heading);
}

.hero__meta-icon {
  width: 32px;
  height: 32px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-base);
  flex-shrink: 0;
}

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

/* ── Countdown ─────────────────────────────────────────────── */
.countdown-section {
  background: #f0f4f8;
  /*background: var(--color-primary-dark);*/
  padding-block: var(--space-10);
}

.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.countdown__label-top {
  text-align: center;
  color: rgba(0,0,0,0.65);
  font-size: var(--fs-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.countdown__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
}

.countdown__number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-primary-dark);
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  transition: color var(--transition-base);
}

.countdown__unit {
  font-size: var(--fs-xs);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-teal);
  margin-top: var(--space-2);
}

.countdown__sep {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.25);
  margin-bottom: var(--space-6);
  align-self: flex-start;
  padding-top: var(--space-4);
}

/* ── Important Dates (mini timeline) ──────────────────────── */
.dates-section {
  background: var(--color-white);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.timeline__item {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-5) var(--space-5) var(--space-6);
  border-left: 4px solid var(--color-border);
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

.timeline__item:hover {
  border-left-color: var(--color-primary-teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.timeline__item--highlight {
  border-left-color: var(--color-accent-yellow);
  background: linear-gradient(135deg, rgba(255,209,102,0.08) 0%, rgba(255,255,255,1) 100%);
}

.timeline__item--highlight:hover {
  border-left-color: var(--color-accent-yellow);
}

.timeline__date {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary-teal);
  margin-bottom: var(--space-1);
}

.timeline__item--highlight .timeline__date {
  color: #b8860b;
}

.timeline__event {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ── About Section ─────────────────────────────────────────── */
.about-section {
  background: var(--color-bg);
}

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

.about__text p {
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.about__stat {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.about__stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-primary-teal);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.about__stat-label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  font-weight: 600;
}

/* ── Speakers Preview ──────────────────────────────────────── */
.speakers-section {
  background: var(--color-white);
}

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

.speaker-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.speaker-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.speaker-card__photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: linear-gradient(135deg, #e8f4f8 0%, #d0eaf5 100%);
}

.speaker-card__photo-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-teal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 800;
  color: rgba(255,255,255,0.4);
}

.speaker-card__body {
  padding: var(--space-5);
}

.speaker-card__country {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-primary-teal);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.speaker-card__name {
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.speaker-card__affiliation {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ── Scope Topics ──────────────────────────────────────────── */
.scope-section {
  background: var(--color-bg);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.topic-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-white) 0%, rgba(248, 252, 252, 0.94) 100%);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-7) var(--space-7) var(--space-7);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  border: 1px solid rgba(0, 77, 64, 0.08);
  cursor: default;
}

.topic-card::before {
  display: none;
}

.topic-card::after {
  content: "";
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  border-top: 2px solid rgba(0, 180, 216, 0.2);
  border-right: 2px solid rgba(0, 180, 216, 0.2);
  border-radius: 0 var(--radius-md) 0 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

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

.topic-card:hover::after {
  opacity: 0.55;
  transform: translate(4px, -4px);
}

.topic-card__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.35;
  max-width: 92%;
}

/* ── Sponsors ──────────────────────────────────────────────── */
.sponsors-section {
  background: var(--color-white);
  padding-block: var(--space-12);
}

.sponsors-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.sponsor-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  padding: var(--space-3) var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  text-decoration: none;
}

.sponsor-logo:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.sponsor-logo img {
  max-height: 40px;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(40%);
  transition: filter var(--transition-base);
}

.sponsor-logo:hover img {
  filter: grayscale(0%);
}

.sponsor-logo__text {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .speakers-grid  { grid-template-columns: repeat(2, 1fr); }
  .topics-grid    { grid-template-columns: repeat(3, 1fr); }
  .timeline       { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero__content  { padding-bottom: var(--space-20); }
  .about__grid    { grid-template-columns: 1fr; gap: var(--space-10); }
  .speakers-grid  { grid-template-columns: repeat(2, 1fr); }
  .topics-grid    { grid-template-columns: repeat(2, 1fr); }
  .topic-card      { padding: var(--space-6) var(--space-5) var(--space-5) var(--space-7); min-height: 110px; }
  .timeline       { grid-template-columns: 1fr; }
  .countdown__number { width: 72px; height: 72px; font-size: 2rem; }
  .countdown__item   { min-width: 72px; }
}

@media (max-width: 480px) {
  .hero__cta      { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .speakers-grid  { grid-template-columns: 1fr; max-width: 320px; margin-inline: auto; }
  .topics-grid    { grid-template-columns: repeat(2, 1fr); }
  .topic-card      { min-height: auto; padding: var(--space-5) var(--space-4) var(--space-4) var(--space-6); }
  .about__stats   { grid-template-columns: 1fr 1fr; }
}