/* ==========================================================================
   SSSOGCON – IMACC 2026
   Design tokens
   ink        deep clinical navy — hero, headings, primary text
   paper      warm ivory — body background
   rose       muted cardiac red — the single accent, used sparingly
   gold       brass — reserved for credit/official marks
   ========================================================================== */

:root {
  --ink: #1b1c3a;
  --ink-soft: #474c6e;
  --ink-faint: #8a8fae;

  --paper: #f8f8fb;
  --surface: #ffffff;
  --line: #e0e2ee;

  --rose: #9c27b0;
  --rose-dark: #7b1fa2;
  --rose-tint: #f3e5f5;

  --gold: #2196f3;
  --cream: #f8f8fb;

  --font-display: "Fraunces", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --container: 1120px;
  --radius: 4px;
  --shadow-soft: 0 20px 45px -25px rgba(22, 33, 62, 0.35);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 20px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 500; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--rose);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- shared type ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rose);
  margin: 0 0 14px;
}
.eyebrow--on-dark { color: #e8b7b7; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.15;
  color: var(--ink);
  max-width: 20ch;
  margin-bottom: 20px;
}

.section-intro {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 22px;
  margin-bottom: 44px;
}

.section-note {
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 16px;
}

.fine {
  font-size: 14px;
  color: var(--ink-faint);
  font-weight: 400;
}

.section { 
  padding: 100px 0; 
  position: relative;
}
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(27, 28, 58, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: -1;
  pointer-events: none;
}
.section--tint { 
  background: #f2f2f7; 
  border-top: 1px solid rgba(27, 28, 58, 0.05);
  border-bottom: 1px solid rgba(27, 28, 58, 0.05);
}
.section--tint::before { display: none; }

/* ---------- heartbeat divider / signature motif ---------- */
svg use, svg path { fill: none; stroke: currentColor; }
#ecg-blip path { stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 24px 0;
  background: transparent;
  transition: padding 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}
.site-header.is-scrolled {
  background: rgba(248, 248, 251, 0.95);
  padding: 12px 0;
  backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.site-header.is-scrolled .brand { color: var(--ink); }

.brand-pulse {
  width: 46px;
  height: 18px;
  color: var(--rose);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.01em;
}
.brand-text em { font-style: normal; color: var(--rose); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 35px;
}
.main-nav a {
  font-size: 16.5px;
  font-weight: 500;
  color: var(--ink);
  position: relative;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
}
.site-header.is-scrolled .main-nav a { color: var(--ink); }
.main-nav a:hover { opacity: 0.7; }

.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 2px;
  background: var(--rose);
  transition: width 0.25s ease;
}
.main-nav a:not(.nav-cta):hover::after { width: 100%; }
.site-header.is-scrolled .main-nav a:hover { color: var(--ink); }

.nav-cta {
  background: transparent;
  color: var(--ink) !important;
  padding: 11px 24px;
  font-size: 16.5px;
  border: 1px solid var(--ink);
  border-radius: 99px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  align-self: center;
}
.nav-cta:hover { background: var(--rose); color: #fff !important; border-color: var(--rose); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 0;
}
.nav-toggle span {
  height: 2px;
  background: #fdfcf9;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}
.site-header.is-scrolled .nav-toggle span { background: var(--ink); }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: 180px 0 80px;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
}
.hero-bg { display: none; }

.hero-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  text-align: left;
  width: 100%;
}

.hero-title-text {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 8vw, 84px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--ink);
}

.hero-left .hero-sub {
  margin: 0 0 40px;
  color: var(--ink-soft);
  font-size: 24px;
  line-height: 1.5;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--rose { background: var(--rose); color: #fff; }
.btn--rose:hover { background: var(--rose-dark); box-shadow: 0 4px 12px rgba(156,39,176,0.3); }

.btn--pill { border-radius: 99px; }
.btn--outline-dark { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn--outline-dark:hover { background: var(--ink); color: #fff; }

.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo-img {
  width: 100%;
  max-width: 800px;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15));
  position: relative;
  z-index: 2;
  transform: scale(1.1);
}
.hero-deco-ecg {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  z-index: 1;
}


/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 72px;
  align-items: start;
}
.about-lead p { color: var(--ink-soft); font-size: 16.5px; }
.about-lead p strong { color: var(--ink); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--rose);
  margin-bottom: 8px;
}
.stat-label {
  display: block;
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 1.45;
}

/* ==========================================================================
   SCHEDULE
   ========================================================================== */
.tabs {
  display: inline-flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  margin-bottom: 40px;
}
.tab-btn {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  padding: 12px 22px;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}
.tab-btn span {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-faint);
}
.tab-btn.is-active { background: var(--ink); color: #fff; }
.tab-btn.is-active span { color: #e8b7b7; }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fade-in 0.4s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.day-meta {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.day-meta .dot { color: var(--rose); margin: 0 8px; }

.agenda { border-top: 1px solid var(--line); margin-bottom: 8px; }
.agenda li {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.agenda time {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--rose);
  padding-top: 3px;
}
.agenda h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}
.agenda .speaker {
  margin-top: 4px;
  font-size: 15.5px;
  color: var(--ink-soft);
}
.agenda-break { background: rgba(169, 129, 44, 0.06); }
.agenda-break h3 { color: var(--gold); font-weight: 500; font-style: italic; }

.agenda-subhead {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  margin: 40px 0 4px;
}

.station-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 20px 0 16px;
}
.station {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.station-no {
  font-family: var(--font-mono);
  color: var(--rose);
  font-size: 13px;
  border: 1px solid var(--rose-tint);
  background: var(--rose-tint);
  border-radius: 50%;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.station h5 { font-size: 14.5px; font-weight: 600; line-height: 1.4; margin: 2px 0 0; }
.station-moderators { font-size: 13.5px; color: var(--ink-faint); margin-bottom: 8px; }

/* ==========================================================================
   WORKSHOP CALLOUT
   ========================================================================== */
.workshop-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
  background: var(--ink);
  color: #fdfcf9;
  border-radius: 6px;
  padding: 64px;
}
.workshop-copy p { color: #cfd3e2; font-size: 16px; max-width: 56ch; }
.workshop-facts {
  display: grid;
  gap: 12px;
  margin: 26px 0 30px;
}
.workshop-facts li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  font-size: 14.5px;
  color: #e7e9f2;
  border-top: 1px solid rgba(253, 252, 249, 0.12);
  padding-top: 12px;
}
.workshop-facts strong {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rose);
}
.workshop-facts .fine { color: var(--ink-faint); }

.ecg-panel { width: 200px; height: 34px; color: var(--rose); opacity: 0.85; }

/* ==========================================================================
   ABSTRACTS
   ========================================================================== */
.abstract-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 44px;
}
.abstract-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.abstract-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin-bottom: 4px;
}
.abstract-time {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--rose);
  margin-bottom: 16px;
}
.abstract-card ul { display: grid; gap: 8px; }
.abstract-card li {
  font-size: 14px;
  color: var(--ink-soft);
  padding-left: 16px;
  position: relative;
}
.abstract-card li::before {
  content: "";
  position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px;
  background: var(--rose);
  border-radius: 50%;
}

.abstract-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.abstract-timeline div {
  padding: 20px 24px 20px 0;
  border-left: 1px solid var(--line);
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.abstract-timeline div:first-child { border-left: none; padding-left: 0; }
.deadline-date {
  font-family: var(--font-mono);
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
}
.abstract-timeline span:last-child { font-size: 13.5px; color: var(--ink-soft); }

/* ==========================================================================
   VENUE
   ========================================================================== */
.venue-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.venue-address {
  font-size: 16px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 18px 0;
}

.venue-map-card {
  position: relative;
  aspect-ratio: 1 / 1.05;
  border-radius: 6px;
  background: var(--ink);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.venue-map-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(253,252,249,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(253,252,249,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
}
.venue-pin {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: #fdfcf9;
  border: 1px solid var(--rose);
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(167, 47, 69, 0.18);
}
.venue-pin::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 10px; height: 10px;
  background: var(--rose);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 6px rgba(167, 47, 69, 0.25);
  z-index: -1;
}

/* ==========================================================================
   COMMITTEE
   ========================================================================== */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 40px;
}
.speaker-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.speaker-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -10px rgba(22, 33, 62, 0.15);
}
.speaker-img-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px dashed var(--ink-faint);
  margin: 0 auto 20px;
}
.speaker-info .role {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rose);
  margin-bottom: 6px;
}
.speaker-info strong {
  display: block;
  font-size: 17px;
  color: var(--ink);
}

.committee-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.committee-columns h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 12px;
}
.committee-columns p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 1.85;
}

.committee-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
}
.committee-table td {
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-soft);
  vertical-align: top;
  line-height: 1.4;
}
.committee-table tr:last-child td {
  border-bottom: none;
}
.committee-table td strong {
  color: var(--ink);
  font-weight: 600;
}

/* ==========================================================================
   REGISTRATION / TARIFF / FORM
   ========================================================================== */
.tariff-wrap {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  margin-bottom: 56px;
  align-items: start;
}

.tariff-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.tariff-table th, .tariff-table td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14.5px;
  border-bottom: 1px solid var(--line);
}
.tariff-table thead th {
  background: var(--ink);
  color: #fdfcf9;
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tariff-table tbody td:not(:first-child) {
  font-family: var(--font-mono);
  color: var(--ink);
}
.tariff-table tbody tr:last-child td { border-bottom: none; }
.tariff-table tbody td:first-child { color: var(--ink-soft); }

.bank-card {
  background: var(--ink);
  color: #fdfcf9;
  border-radius: var(--radius);
  padding: 24px 26px;
}
.bank-card h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 16px;
}
.bank-card dl { display: grid; gap: 10px; margin-bottom: 14px; }
.bank-card dl div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid rgba(253,252,249,0.1); padding-bottom: 8px; }
.bank-card dt { font-size: 12.5px; color: var(--ink-faint); }
.bank-card dd { margin: 0; font-family: var(--font-mono); font-size: 13px; color: #fdfcf9; text-align: right; }
.bank-card .fine { color: var(--ink-faint); }

.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 48px;
  box-shadow: var(--shadow-soft);
}
.form-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.form-card-head h3 {
  font-family: var(--font-display);
  font-size: 22px;
}
.form-ecg { width: 140px; height: 24px; color: var(--rose); opacity: 0.6; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}
.field .optional { font-weight: 400; color: var(--ink-faint); }

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--rose);
  background: var(--surface);
  outline: none;
}
.field textarea { resize: vertical; min-height: 80px; }

.field--checkbox { display: flex; align-items: center; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-soft);
  cursor: pointer;
}
.checkbox-label input { width: 17px; height: 17px; accent-color: var(--rose); }

.form-status {
  margin-top: 16px;
  font-size: 14px;
  color: var(--ink-soft);
  min-height: 1em;
}
.form-status.is-success { color: #3d7a4f; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--ink);
  color: #cfd3e2;
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.brand--footer { color: #fdfcf9; margin-bottom: 16px; }
.footer-grid p { font-size: 14px; line-height: 1.7; }
.footer-grid h5 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rose);
  margin-bottom: 14px;
}
.footer-grid a:hover { color: #fdfcf9; }

.footer-bottom {
  border-top: 1px solid rgba(253, 252, 249, 0.1);
  padding: 22px 0;
  font-size: 13px;
  color: var(--ink-faint);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 980px) {
  .hero-split { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-left { order: 2; display: flex; flex-direction: column; align-items: center; }
  .hero-left .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-right { order: 1; max-width: 80%; margin: 0 auto; }
  .about-grid, .venue-grid, .tariff-wrap { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .station-grid { grid-template-columns: 1fr 1fr; }
  .abstract-grid { grid-template-columns: 1fr; }
  .abstract-timeline { grid-template-columns: 1fr; }
  .abstract-timeline div { border-left: none; border-top: 1px solid var(--line); padding-left: 0; padding-top: 20px; }
  .abstract-timeline div:first-child { border-top: none; padding-top: 0; }
  .speaker-grid { grid-template-columns: 1fr 1fr; }
  .committee-columns { grid-template-columns: 1fr; }
  .workshop-grid { grid-template-columns: 1fr; padding: 48px 36px; text-align: left; }
  .ecg-panel { width: 160px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .section { padding: 72px 0; }
  .main-nav {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 24px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .main-nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .main-nav a { color: var(--ink); width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .main-nav a.nav-cta { margin-top: 14px; text-align: center; }
  .nav-toggle { display: flex; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 140px 0; min-height: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; width: 100%; max-width: 300px; }
  .about-stats { grid-template-columns: 1fr; }
  .station-grid { grid-template-columns: 1fr; }
  .agenda li { grid-template-columns: 64px 1fr; gap: 14px; }
  .speaker-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 28px 22px; }
  .tariff-table th, .tariff-table td { padding: 12px 10px; font-size: 13px; }
}