/* ============================================================
   synedrio.css — 5ο Συνέδριο IMPACT & shared inner-page styles
   ============================================================ */

/* ── Inner Page Header (always solid) ── */
#header.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
}

/* ============================================================
   CONFERENCE HERO
   ============================================================ */
.syn-hero {
  padding: 120px 24px 80px;
  background: linear-gradient(135deg, var(--navy-dark) 0%, #1e3f72 60%, #1b3060 100%);
  position: relative;
  overflow: hidden;
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.syn-hero-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(78,159,212,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78,159,212,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
/* Gold accent line bottom */
.syn-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.syn-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.syn-edition-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,160,0,.18);
  border: 1px solid rgba(200,160,0,.4);
  color: var(--gold-light);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.syn-logo-block { margin-bottom: 40px; }
.syn-wave {
  width: 220px; height: 50px;
  margin: 0 auto 20px;
}
.syn-title {
  font-size: clamp(3rem, 9vw, 6rem);
  font-weight: 900;
  letter-spacing: -.04em;
  color: var(--white);
  line-height: 1;
  margin-bottom: 14px;
}
.syn-a    { color: var(--gold-light); }
.syn-year {
  font-size: .55em;
  color: var(--blue-light);
  margin-left: 4px;
  vertical-align: middle;
}
.syn-tagline {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .03em;
}

/* Info pills */
.syn-info-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.syn-info-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  text-align: left;
  min-width: 200px;
}
.sip-icon { font-size: 1.5rem; flex-shrink: 0; }
.syn-info-pill strong {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 2px;
}
.syn-info-pill span {
  font-size: .82rem;
  color: rgba(255,255,255,.75);
}

.syn-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.syn-about { padding: 90px 0; background: var(--white); }
.syn-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.syn-about-lead {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.7;
  margin-bottom: 18px;
}
.syn-about-text p {
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 14px;
}

/* Previous editions mini list */
.syn-editions-mini h3 {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}
.sem-list { display: flex; flex-direction: column; gap: 6px; }
.sem-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-100);
  background: var(--gray-50);
  text-decoration: none;
  transition: var(--transition);
}
.sem-item:hover {
  background: var(--blue-pale);
  border-color: var(--blue-light);
  transform: translateX(4px);
}
.sem-year {
  font-size: .85rem;
  font-weight: 800;
  color: var(--navy);
  min-width: 42px;
}
.sem-theme {
  font-size: .8rem;
  color: var(--gray-700);
  flex: 1;
  line-height: 1.4;
}
.sem-arrow {
  color: var(--blue-light);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.sem-item:hover .sem-arrow { transform: translateX(4px); }

/* ============================================================
   PROGRAM SECTION
   ============================================================ */
.syn-program { padding: 90px 0; background: var(--gray-50); }

/* Coming Soon state */
.program-coming-soon {
  text-align: center;
  padding: 80px 40px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--gray-200);
  max-width: 620px;
  margin: 0 auto;
}
.pcs-icon { font-size: 3.5rem; margin-bottom: 20px; }
.program-coming-soon h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.program-coming-soon p {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 24px;
}
.pcs-orgs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: .82rem;
  color: var(--gray-600);
  background: var(--gray-50);
  border-radius: 8px;
  padding: 12px 20px;
}
.pcs-orgs strong { color: var(--navy); }

/* Program days (used when program is ready) */
.prog-days { display: flex; flex-direction: column; gap: 40px; }
.prog-day-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.prog-day-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  background: var(--navy);
  color: var(--white);
  padding: 4px 14px;
  border-radius: 100px;
}
.prog-day-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}
.prog-timeline {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
}
.prog-slot {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  border-bottom: 1px solid var(--gray-100);
}
.prog-slot:last-child { border-bottom: none; }
.prog-slot-break { background: var(--gray-50); }
.prog-slot-break .prog-content { color: var(--gray-600); font-size: .88rem; }

.prog-time {
  padding: 18px 20px;
  font-size: .78rem;
  font-weight: 700;
  color: var(--gold);
  border-right: 1px solid var(--gray-100);
  white-space: nowrap;
  align-self: stretch;
  display: flex;
  align-items: center;
  background: rgba(200,160,0,.03);
}
.prog-content {
  padding: 18px 24px;
  display: flex;
  align-items: center;
}
.prog-slot:not(.prog-slot-break) .prog-content { flex-direction: column; align-items: flex-start; }

.prog-type {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}
.prog-type-session { background: rgba(43,92,173,.1); color: var(--blue); }
.prog-type-panel   { background: rgba(200,160,0,.12); color: #8a6d00; }
.prog-type-opening { background: rgba(27,45,79,.1); color: var(--navy); }

.prog-session-title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.prog-coordinator {
  font-size: .8rem;
  color: var(--gray-600);
  font-style: italic;
  margin-bottom: 8px;
}
.prog-speakers {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.prog-speakers li {
  font-size: .82rem;
  color: var(--gray-700);
}
.prog-speakers li::before { content: '· '; color: var(--blue-light); }

/* ============================================================
   THEMES
   ============================================================ */
.syn-themes { padding: 90px 0; background: var(--white); }
.syn-themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.sth-card {
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.sth-card:hover {
  border-color: var(--blue-light);
  background: var(--blue-pale);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.sth-icon { font-size: 2.2rem; margin-bottom: 14px; }
.sth-card h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.3;
}
.sth-card p { font-size: .82rem; color: var(--gray-600); line-height: 1.6; }

/* ============================================================
   ORGANIZERS STRIP
   ============================================================ */
.syn-org-strip {
  padding: 32px 0;
  background: var(--navy-dark);
}
.syn-org-strip .container { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; justify-content: center; }
.sos-label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
}
.sos-logos { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; }
.sos-logo { font-size: .88rem; font-weight: 600; color: rgba(255,255,255,.7); }
.sos-sep { color: rgba(255,255,255,.25); font-size: 1.2rem; }

/* ============================================================
   PAST HIGHLIGHTS
   ============================================================ */
.syn-highlights { padding: 90px 0; background: var(--gray-50); }

/* ============================================================
   BLOG STYLES (blog.css is separate but we share some)
   ============================================================ */

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .syn-about-grid { grid-template-columns: 1fr; gap: 32px; }
  .syn-info-pill { min-width: 160px; }
  .prog-slot { grid-template-columns: 1fr; }
  .prog-time { padding: 10px 16px; border-right: none; border-bottom: 1px solid var(--gray-100); }
  .syn-themes-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .syn-themes-grid { grid-template-columns: 1fr; }
  .syn-info-row { flex-direction: column; align-items: center; }
  .syn-info-pill { width: 100%; }
}