/* ══════════════════════════════════════════════
   BESAFE 2026 — Styles
   besafe-style.css
   ══════════════════════════════════════════════ */

/* ── CSS VARIABLES ── */
:root {
  --ink: #082e24;
  --paper: #f2faf7;
  --accent: #1a9b7a;
  --accent2: #e8508a;
  --muted: #5a8075;
  --rule: #b8d4cc;
  --warm: #e0f0eb;
  --block: #0a5244;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── TYPOGRAPHY ── */
.display {
  font-family: 'DM Serif Display', Georgia, serif;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.mono {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── NOISE TEXTURE OVERLAY ── */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* ── HEADER ── */
header {
  position: sticky; top: 0; z-index: 100;
  background: var(--block);
  border-bottom: 1px solid #333;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  color: #fff;
  font-family: 'DM Mono', monospace;
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.logo span { color: var(--accent); }
nav { display: flex; gap: 2rem; }
nav a {
  color: #aaa;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav a:hover,
nav a.active { color: #fff; }

/* ── HERO ── */
.hero {
  min-height: 40vh;
  display: grid;
  grid-template-columns: 3fr 2fr;
  position: relative;
  overflow: hidden;
}
.hero-left {
  padding: 3rem 5rem 3rem 6rem;
  display: flex; flex-direction: column; justify-content: center;
  border-right: 1px solid var(--rule);
  position: relative; z-index: 2;
}
.hero-tag-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--accent); color: #fff;
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: 'DM Mono', monospace;
  width: fit-content;
  margin-bottom: 0;
  animation: fadeSlide 0.8s ease both;
}
.hero-edition {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  animation: fadeSlide 0.8s 0.15s ease both;
}
.hero-title em {
  display: block;
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--muted);
  max-width: 540px;
  line-height: 1.65;
  margin-top: 1.5rem;
  animation: fadeSlide 0.8s 0.3s ease both;
}
.hero-meta {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  animation: fadeSlide 0.8s 0.45s ease both;
}
.hero-meta-row {
  display: flex; align-items: flex-start; gap: 3rem;
}
.hero-meta-item .label {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
.hero-meta-item .value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
}
.hero-right {
  position: relative;
  overflow: hidden;
  background: var(--warm);
}
.hero-right img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  display: block;
}
.cta-row {
  display: flex; gap: 1rem; margin-top: 2rem;
  animation: fadeSlide 0.8s 0.6s ease both;
}
.hero-roman-link {
  display: inline-block;
  background: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.hero-roman-link:hover { opacity: 1; }
.hero-roman-logo {
  height: 32px;
  width: auto;
  display: block;
}
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero-left { padding: 5rem 3rem 3rem; border-right: none; border-bottom: 1px solid var(--rule); }
  .hero-right { min-height: 300px; }
}
@media (max-width: 640px) {
  .hero-left { padding: 4rem 1.5rem 2rem; }
  .hero-right { min-height: 220px; }
  .hero-tag-row { flex-wrap: wrap; }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  font-family: 'DM Mono', monospace;
  border-radius: 2px;
  transition: all 0.2s;
  cursor: pointer; border: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #127a5e; }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.btn-secondary:hover { background: var(--ink); color: var(--paper); }

/* ── ANIMATIONS ── */
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── SECTION SHARED ── */
section { padding: 6rem 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 5rem; }
.section-header {
  display: flex; align-items: baseline; gap: 1.5rem;
  margin-bottom: 3.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--ink);
}
.section-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.02em;
  flex: 1;
}

/* ── ABOUT ── */
#about { background: var(--warm); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}
.about-tagline {
  font-family: 'DM Serif Display', serif;
  font-size: 1.7rem;
  font-style: italic;
  line-height: 1.3;
  color: var(--accent2);
  margin-bottom: 2rem;
}
.about-body { font-size: 1.0rem; line-height: 1.75; color: #333; }
.about-body p + p { margin-top: 1.25rem; }
.about-callout {
  background: var(--block);
  color: #ddd;
  padding: 2rem;
  border-left: 3px solid var(--accent);
  margin-top: 2rem;
  font-size: 0.95rem;
  line-height: 1.65;
  font-style: italic;
}
.about-callout strong { color: #fff; font-style: normal; }

/* ── AUDIENCE PILLS ── */
.audience-grid {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 1rem;
}
.audience-pill {
  background: transparent;
  border: 1.5px solid var(--rule);
  padding: 0.5rem 1.25rem;
  font-size: 0.82rem;
  border-radius: 100px;
  transition: all 0.2s;
  cursor: default;
}
.audience-pill:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }

/* ── TOPICS ── */
#topics { border-top: 1px solid var(--rule); }
.topics-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.topic-row {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.topic-row:nth-child(odd)  { padding-right: 3rem; border-right: 1px solid var(--rule); }
.topic-row:nth-child(even) { padding-left: 3rem; }
.topic-row:nth-last-child(-n+2) { border-bottom: none; }
.topic-num {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  padding-top: 2px;
}
.topic-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.topic-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.55; }
.topic-row--more .topic-num { color: var(--muted); }
.topic-row--more .topic-title { font-style: italic; }


/* ── PROGRAM ── */
#program { background: #e8f5f0; color: var(--ink); }
#program .section-title { color: var(--ink); }
#program .section-num { color: #a8cfc4; }
#program .section-header { border-bottom-color: #c2dfd7; }
.schedule {
  display: flex; flex-direction: column; gap: 0;
  border-left: 2px solid #b8ddd5;
  margin-left: 3rem;
}
.schedule-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #d4ece6;
  position: relative;
  transition: background 0.2s;
  background: #f0faf7;
}
.schedule-item:last-child { border-bottom: none; }
.schedule-item:hover { background: #ddf0ea; }
.schedule-item::before {
  content: '';
  position: absolute;
  left: -8px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--accent);
}
.schedule-item.highlight { background: #d4ede6; border-left: 3px solid var(--accent2); }
.schedule-item.highlight::before { background: var(--accent2); border-color: var(--accent2); }
.schedule-item.highlight .sched-label { color: var(--accent2); }
.sched-time {
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  color: #7aaa9a;
  padding-top: 0.2rem;
  letter-spacing: 0.05em;
}
.sched-label {
  font-size: 0.7rem;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.sched-title { font-size: 1rem; font-weight: 500; color: var(--ink); }
.sched-desc { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }
.sched-desc strong { color: var(--ink); font-weight: 500; }
@media (max-width: 640px) {
  .schedule { margin-left: 1rem; }
  .schedule-item { grid-template-columns: 70px 1fr; gap: 1rem; }
}



/* ── SPEAKERS ── */
#speakers { border-top: 1px solid var(--rule); }
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.speaker-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color 0.2s;
}
.speaker-card:hover { border-color: var(--accent); }
.speaker-photo-wrap {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 3px solid var(--rule);
}
.speaker-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.speaker-info { display: flex; flex-direction: column; gap: 0.35rem; }
.speaker-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  margin-bottom: 0.15rem;
}
.speaker-affil { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.5rem; }
.speaker-bio { font-size: 0.88rem; line-height: 1.6; color: var(--ink); }
.speaker-talk {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--block);
  border-left: 3px solid var(--accent2);
}
.speaker-talk-label {
  display: block;
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.5rem;
}
.speaker-talk-text {
  font-size: 0.85rem;
  line-height: 1.65;
  color: #cce8e0;
  font-style: italic;
}
@media (max-width: 640px) {
  .speakers-grid { grid-template-columns: 1fr; }
}

/* ── ORGANISERS ── */
#organisers { background: var(--warm); }
.org-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.org-card {
  background: var(--paper);
  padding: 2rem;
  border-top: 3px solid var(--ink);
  transition: border-color 0.2s;
}
.org-card:hover { border-color: var(--accent); }
.org-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  color: var(--paper);
  margin-bottom: 1rem;
}
.org-avatar-photo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1rem;
}
.org-avatar-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.org-role {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.org-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}
.org-affil { font-size: 0.82rem; color: var(--muted); margin-bottom: 0.75rem; }
.org-bio { font-size: 0.82rem; line-height: 1.55; color: #555; }
.org-contact {
  margin-top: 1rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent2);
  text-decoration: none;
  display: block;
}
.org-contact:hover { text-decoration: underline; }
.org-lead-badge {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  font-family: 'DM Mono', monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  margin-bottom: 0.5rem;
}

/* ── SUBMISSION ── */
#submission { border-top: 1px solid var(--paper); background: var(--warm);}
.submission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.dates-stack { display: flex; flex-direction: column; gap: 0; }
.date-item {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 1rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule);
}
.date-item:last-child { border-bottom: none; }
.date-event { font-size: 0.95rem; font-weight: 500; }
.date-val {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent);
  text-align: right;
  letter-spacing: 0.04em;
}
.submission-info { font-size: 0.95rem; line-height: 1.75; color: #333; }
.submission-info p + p { margin-top: 1rem; }
.submission-info strong { font-weight: 600; }
.format-box {
  background: var(--warm);
  border: 1.5px solid var(--rule);
  padding: 1.75rem;
  margin-top: 1.5rem;
}
.format-box h4 {
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.format-box ul { list-style: none; padding: 0; }
.format-box li {
  font-size: 0.88rem;
  padding: 0.4rem 0;
  display: flex; align-items: center; gap: 0.75rem;
  border-bottom: 1px solid var(--rule);
}
.format-box li:last-child { border-bottom: none; }
.format-box li::before {
  content: '→';
  color: var(--accent);
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ── FOOTER ── */
footer {
  background: var(--block);
  color: #888;
  padding: 3rem 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  border-top: 1px solid #222;
}
.footer-brand {
  font-family: 'DM Serif Display', serif;
  font-size: 1.8rem;
  color: var(--paper);
  margin-bottom: 0.75rem;
}
.footer-brand span { color: var(--accent); }
.footer-desc { font-size: 0.85rem; line-height: 1.6; max-width: 380px; }
.footer-meta { font-size: 0.8rem; margin-top: 1.5rem; }
.footer-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-nav a { color: #666; text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.footer-nav a:hover { color: #ccc; }
.footer-nav-title {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #555;
  margin-bottom: 0.75rem;
}
.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid #222;
  padding-top: 1.5rem;
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-roman-link {
  display: inline-block;
  background: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.footer-roman-link:hover { opacity: 1; }
.footer-roman-logo {
  height: 40px;
  width: auto;
  display: block;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .container { padding: 0 3rem; }
  .hero { grid-template-columns: 1fr; }
  .hero-left { padding: 5rem 3rem 3rem; border-right: none; border-bottom: 1px solid var(--rule); }
  .hero-right { min-height: 300px; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .topics-list { grid-template-columns: 1fr; }
  .topic-row:nth-child(odd) { padding-right: 0; border-right: none; }
  .topic-row:nth-child(even) { padding-left: 0; }
  .topic-row:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .topic-row:last-child { border-bottom: none; }
  .org-grid { grid-template-columns: repeat(2, 1fr); }
  .submission-grid { grid-template-columns: 1fr; gap: 3rem; }
  footer { grid-template-columns: 1fr; gap: 2rem; }
  footer .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}
@media (max-width: 640px) {
  .container { padding: 0 1.5rem; }
  header { padding: 0 1.5rem; }
  nav { display: none; }
  .hero-left { padding: 4rem 1.5rem 2rem; }
  .hero-right { min-height: 220px; }
  .hero-tag-row { flex-wrap: wrap; }
  .speakers-grid { grid-template-columns: 1fr; }
  .org-grid { grid-template-columns: 1fr; }
  .schedule { margin-left: 1rem; }
  footer { padding: 2rem 1.5rem; }
}