/* ============================================================
   SWOW Geneva Workshop 2026 — Stylesheet
   Brand color: #fa6e51 (coral) — used as accent only
   ============================================================ */

:root {
  --coral:      #fa6e51;
  --coral-dark: #e8573a;
  --navy:       #1a2744;
  --navy-deep:  #0c1220;
  --text:       #1e1e1e;
  --muted:      #5a5a5a;
  --border:     #e0e0e0;
  --white:      #ffffff;
  --bg-alt:     #f2f1ef;

  --max-width:   1100px;
  --section-pad: 5rem 1.5rem;
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #f9f8f6;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}

.nav-logo img { height: 36px; }

.nav-brand-name {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--navy);
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  transition: color .15s;
}
.nav-links a:hover { color: var(--coral); text-decoration: none; }

.nav-cta {
  background: var(--coral);
  color: var(--white) !important;
  padding: .4rem 1.1rem;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--coral-dark); }

/* Mobile nav */
.nav-toggle-input { display: none; }
.nav-toggle-label  { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle-label span {
  display: block; width: 24px; height: 2px;
  background: var(--text);
  transition: transform .2s, opacity .2s;
}

@media (max-width: 700px) {
  .nav-brand-name { font-size: .8rem; }
  .nav-toggle-label { display: flex; }
  .nav-links {
    position: absolute;
    top: 60px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s, opacity .25s;
  }
  .nav-links li { width: 100%; }
  .nav-links a   { display: block; padding: .55rem 0; font-size: 1rem; }
  .nav-toggle-input:checked ~ .nav-links { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(2) { opacity: 0; }
  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #1b2b4b 0%, #17233c 58%, #111a2d 100%);
  color: var(--white);
  padding: 5rem 1.5rem 4.5rem;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('assets/geneva_network.svg');
  background-repeat: no-repeat;
  background-position: center 8%;
  background-size: auto 112%;
  opacity: .42;
  mix-blend-mode: screen;
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero::before {
    background-size: auto 120%;
    background-position: center 10%;
  }
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 22%, rgba(255,255,255,.16), transparent 45%),
              linear-gradient(180deg, rgba(9,16,32,.08) 0%, rgba(9,16,32,.30) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin-inline: auto;
}

.hero-logo {
  height: 52px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: .5rem;
}

.hero-subtitle {
  max-width: 46rem;
  margin-inline: auto;
  font-size: clamp(.98rem, 2.2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.45;
  opacity: .85;
  margin-bottom: 1.25rem;
}

.hero-date {
  font-size: 1rem;
  font-weight: 600;
  color: var(--coral);
  letter-spacing: .03em;
  margin-bottom: .3rem;
}

.hero-location {
  font-size: 1rem;
  opacity: .7;
  margin-bottom: .35rem;
}

.hero-dinner {
  font-size: .92rem;
  color: rgba(255,255,255,.86);
  margin-bottom: 1.25rem;
}

.hero-snl {
  font-size: .88rem;
  opacity: .5;
  margin-bottom: .75rem;
}
.hero-snl a { color: inherit; text-decoration: underline; }
.hero-snl a:hover { opacity: 1; }

.hero-organizers {
  font-size: .88rem;
  opacity: .65;
  margin-top: -.5rem;
  margin-bottom: 2.5rem;
}
.hero-organizers a { color: inherit; text-decoration: underline; }
.hero-organizers a:hover { opacity: 1; }

.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-disclaimer {
  margin-top: 1.15rem;
  font-size: .82rem;
  color: rgba(255,255,255,.72);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: .65rem 1.75rem;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.btn-white {
  background: var(--white);
  color: var(--navy);
}
.btn-white:hover { background: #dce3f0; text-decoration: none; color: var(--navy); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.45);
}
.btn-outline-white:hover { border-color: var(--white); text-decoration: none; }

.btn-lg { padding: .85rem 2.25rem; font-size: 1.05rem; }

/* ── Section base ────────────────────────────────────────── */
.section { padding: var(--section-pad); }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--navy);
  margin-bottom: .5rem;
}
.section-title::after {
  content: '';
  display: block;
  width: 32px;
  height: 3px;
  background: var(--coral);
  margin-top: .45rem;
}

.section-subtitle { color: var(--muted); margin-bottom: 2.5rem; font-size: .95rem; }
.section-subtitle a { color: var(--coral); }

.link-arrow { font-weight: 500; color: var(--coral); display: inline-block; margin-top: .5rem; }
.link-arrow:hover { text-decoration: underline; }

/* ── About ───────────────────────────────────────────────── */
.about-grid {
  margin-top: 2rem;
}

.about-text p { margin-bottom: 1rem; font-size: 1.05rem; }

.about-image {
  width: 100%;
  margin-top: 2.5rem;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 12px 30px -12px rgba(26, 39, 68, 0.35);
}

.image-credit {
  margin-top: .6rem;
  font-size: .78rem;
  color: var(--muted);
  font-style: italic;
  text-align: right;
}

/* Stats as a bordered column — no rounded corners */
.about-stats {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  min-width: 140px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1.75rem;
  text-align: center;
  background: var(--white);
}
.stat + .stat { border-top: 1px solid var(--border); }

.stat-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.stat-label {
  font-size: .72rem;
  font-weight: 600;
  color: var(--muted);
  margin-top: .3rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}

@media (max-width: 640px) {
  .about-stats { flex-direction: row; }
  .stat + .stat { border-top: none; border-left: 1px solid var(--border); }
}

/* ── Program ─────────────────────────────────────────────── */
.session {
  border: 1px solid var(--border);
  margin-bottom: 1.5rem;
  background: var(--white);
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  flex-wrap: wrap;
  gap: .5rem;
  background: var(--navy);
  color: var(--white);
}

.session-badge {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: .2rem;
}
.session-header.morning   .session-badge { color: var(--coral); }
.session-header.afternoon .session-badge { opacity: .55; }

.session-name  { font-size: 1.1rem; font-weight: 700; margin: 0; }
.session-time  { font-size: .95rem; font-weight: 600; opacity: .65; white-space: nowrap; }

.session-body { padding: .25rem 0; }

.event {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.event:last-child { border-bottom: none; }

.event-time {
  font-size: .82rem;
  font-weight: 600;
  color: var(--coral);
  white-space: nowrap;
  padding-top: .15rem;
}
.event-content h4 { font-size: .98rem; font-weight: 600; color: var(--navy); margin-bottom: .25rem; }
.event-content p  { font-size: .9rem; color: var(--muted); margin: 0; }
.event-content ul { list-style: disc; padding-left: 1.25rem; margin-top: .4rem; font-size: .9rem; color: var(--muted); }
.event-content li { margin-bottom: .2rem; }

@media (max-width: 560px) {
  .event { grid-template-columns: 1fr; gap: .25rem; }
}

/* Lunch */
.lunch-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
  flex-wrap: wrap;
  text-align: center;
}
.lunch-time { font-weight: 700; color: var(--text); }

/* Timezones */
.timezone-block { margin-top: 3rem; border: 1px solid var(--border); }

.timezone-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  padding: .9rem 1.5rem;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tz-table { width: 100%; border-collapse: collapse; font-size: .87rem; }
.tz-table th {
  background: var(--navy);
  color: var(--white);
  padding: .65rem 1rem;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
.tz-table td { padding: .6rem 1rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tz-table tr:last-child td { border-bottom: none; }
.tz-table tr:hover td { background: var(--bg-alt); }
.tz-local td { font-weight: 600; }
.tz-local td:first-child { color: var(--navy); }

/* ── Speakers ────────────────────────────────────────────── */
/* Grid of tiles divided by borders — no shadows, no radius */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 2rem;
}

.speaker-card { background: var(--white); padding: 1.5rem; }

.speaker-name { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: .2rem; }
.speaker-talk {
  font-size: .75rem;
  font-weight: 700;
  color: var(--coral);
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: .75rem;
}
.speaker-bio { font-size: .88rem; color: var(--muted); line-height: 1.55; }

/* ── Teams ───────────────────────────────────────────────── */
.teams-group-title {
  font-size: .8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .09em;
  margin: 2rem 0 .85rem;
}

.teams-current-lists {
  margin-top: -1rem;
}

.teams-current-lists p {
  margin: 0 0 .75rem;
  color: var(--muted);
  font-size: .95rem;
}

.teams-current-lists strong {
  color: var(--navy);
}

.teams-grid { display: flex; flex-wrap: wrap; gap: .5rem; }

.team-tag {
  border: 1px solid var(--border);
  padding: .4rem 1rem;
  font-size: .88rem;
  font-weight: 500;
  color: var(--text);
  background: var(--white);
}

.team-virtual {
  background: #eef1f8;
  border-color: #b0bbd8;
  color: var(--navy);
}

.team-list {
  margin: 0 0 .5rem;
  padding: 0;
}
.team-entry {
  display: grid;
  grid-template-columns: 15rem 1fr;
  gap: .15rem 1.5rem;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
}
.team-entry:last-child { border-bottom: none; }
.team-entry dt {
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
  padding-top: .05rem;
}
.team-entry dd {
  grid-column: 2;
  margin: 0;
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.6;
}
@media (max-width: 600px) {
  .team-entry { grid-template-columns: 1fr; gap: .1rem; }
  .team-entry dd { padding-left: .5rem; }
}

/* ── Venue ───────────────────────────────────────────────── */
.venue-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 2rem;
}

.venue-card { background: var(--white); padding: 1.5rem; }

.venue-icon { margin-bottom: .9rem; color: var(--muted); }
.venue-icon svg { display: block; }

.venue-card h3 {
  font-size: .85rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}
.venue-card p { font-size: .9rem; color: var(--muted); line-height: 1.65; }

.venue-list { list-style: disc; padding-left: 1.1rem; font-size: .9rem; color: var(--muted); }
.venue-list li { margin-bottom: .3rem; }

.venue-map {
  margin-top: 2rem;
  border: 1px solid var(--border);
  background: var(--white);
}

.venue-map iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
}

@media (max-width: 640px) {
  .venue-map iframe {
    height: 340px;
  }
}

/* ── Register ────────────────────────────────────────────── */
.section-register {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 5rem 1.5rem;
}

.register-inner { max-width: 540px; margin-inline: auto; }

.register-inner h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .75rem;
}
.register-inner > p { opacity: .75; margin-bottom: 2rem; font-size: 1.05rem; }

.register-contact { margin-top: 1.5rem; font-size: .88rem; opacity: .55; }
.register-contact a { color: inherit; text-decoration: underline; }

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.6);
  padding: 2.5rem 1.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand img { height: 28px; margin-bottom: .45rem; }

.footer-brand-title {
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: rgba(255,255,255,.92);
  margin-bottom: .15rem;
}

.footer-brand-subtitle {
  font-size: .82rem;
}

.footer-links { display: flex; gap: 2rem; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,.6); font-size: .85rem; font-weight: 500; transition: color .15s; }
.footer-links a:hover { color: var(--white); text-decoration: none; }

/* ── Print ───────────────────────────────────────────────── */
@media print {
  .nav, .hero-cta, .section-register, .footer { display: none; }
  .hero { background: none; color: var(--text); padding: 1rem 0; }
  .hero::before,
  .hero::after { display: none; }
  .session-header { background: var(--bg-alt) !important; color: var(--text) !important; }
}