/* =====================================================================
   Young Baltic Cardio 2026 — Stylesheet
   Palette pulled from the conference poster:
     navy  #1F3A6E
     orange #F08A3E
     soft blue #B7C8E6
     soft peach #FBD9C0
   ===================================================================== */

:root {
  --navy:        #1F3A6E;
  --navy-deep:   #15294E;
  --orange:      #F08A3E;
  --orange-soft: #F6A971;
  --blue-soft:   #B7C8E6;
  --peach-soft:  #FBD9C0;
  --bg:          #FFFFFF;
  --bg-alt:      #F7F9FD;
  --text:        #1B2540;
  --text-mute:   #5C6786;
  --line:        #E6EAF4;
  --shadow-sm:   0 2px 8px rgba(31, 58, 110, .08);
  --shadow-md:   0 8px 24px rgba(31, 58, 110, .12);
  --radius:      12px;
  --radius-lg:   18px;
  --container:   1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 150%; height: auto; display: block; }

a { color: var(--navy); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--orange); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .2px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 4px 14px rgba(240, 138, 62, .35);
}
.btn-primary:hover {
  background: #e57b2c;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(240, 138, 62, .45);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: #fff;
}
.btn-ghost {
  background: rgba(255, 255, 255, .15);
  color: #fff;
  border-color: rgba(255, 255, 255, .55);
}
.btn-ghost:hover {
  background: #fff;
  color: var(--navy);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy);
  font-size: 18px;
  white-space: nowrap;
}
.brand .brand-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy), var(--orange));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 14px;
  letter-spacing: 1px;
}
.brand .brand-text small {
  display: block;
  font-weight: 500;
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  gap: 6px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text);
  font-weight: 500;
  font-size: 14.5px;
}
.nav-links a:hover { background: var(--bg-alt); color: var(--navy); }
.nav-links .nav-cta {
  background: var(--orange);
  color: #fff;
  padding: 9px 20px;
}
.nav-links .nav-cta:hover { background: #e57b2c; color: #fff; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: visible;
 /* background:
    radial-gradient(ellipse 800px 500px at 90% -10%, rgba(240, 138, 62, .12), transparent),
    radial-gradient(ellipse 700px 600px at 0% 10%, rgba(31, 58, 110, .08), transparent),
    var(--bg);*/
  padding: 0px 0 90px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.0fr 1.0fr;
  gap: 0px;
  align-items: center;
  overflow: visible;
}
.hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.hero h1 .accent { color: var(--orange); }
.hero .lede {
  font-size: 18px;
  color: var(--text-mute);
  margin-bottom: 28px;
  max-width: 540px;
}
.hero-meta {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.hero-meta .meta-item {
  display: flex; gap: 12px; align-items: center;
}
.hero-meta .meta-icon {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--bg-alt);
  display: grid; place-items: center;
  color: var(--orange);
  flex-shrink: 0;
}
.hero-meta .meta-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mute);
  font-weight: 600;
}
.hero-meta .meta-value {
  font-weight: 700;
  color: var(--navy);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-poster {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
 /* box-shadow: var(--shadow-md);*/
}
.hero-poster img { width: 150%; height: auto; display: block; }

/* ---------- Section base ---------- */
section { padding: 90px 0; }
section.alt { background: var(--bg-alt); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  font-weight: 700;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: clamp(30px, 3.5vw, 44px);
  color: var(--navy);
  font-weight: 800;
  letter-spacing: -.5px;
  margin-bottom: 14px;
  line-height: 1.15;
}
.section-head p {
  color: var(--text-mute);
  font-size: 17px;
}

/* ---------- General info ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.info-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--blue-soft);
}
.info-card .icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--navy), var(--orange));
  display: grid; place-items: center;
  color: #fff;
  margin-bottom: 18px;
}
.info-card h3 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 700;
}
.info-card p { color: var(--text-mute); font-size: 14.5px; }
.info-card a { font-weight: 600; }

.info-block {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  margin-top: 32px;
}
.info-block h3 {
  color: var(--navy);
  margin-bottom: 14px;
  font-size: 20px;
}
.info-block p { color: var(--text-mute); margin-bottom: 12px; }
.info-block ul { padding-left: 20px; color: var(--text-mute); }
.info-block ul li { margin-bottom: 6px; }

/* ---------- Speakers ---------- */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.speaker {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: transform .2s ease, box-shadow .2s ease;
}
.speaker:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.speaker .avatar {
  width: 100px; height: 110px;
  border-radius: 50%;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--blue-soft), var(--peach-soft));
  display: grid; place-items: center;
  font-weight: 800;
  color: var(--navy);
  font-size: 28px;
  border: 4px solid #fff;
  box-shadow: 0 4px 16px rgba(31, 58, 110, .15);
}
.speaker h3 {
  color: var(--orange);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.speaker p {
  font-size: 13.5px;
  color: var(--text-mute);
  line-height: 1.5;
}

/* ---------- Programme ---------- */
.programme-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.tab-btn {
  background: #fff;
  border: 2px solid var(--line);
  color: var(--navy);
  padding: 11px 24px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
  font-size: 14.5px;
}
.tab-btn:hover { border-color: var(--orange-soft); }
.tab-btn.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.day-panel { display: none; }
.day-panel.active { display: block; animation: fade-in .25s ease; }
@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.day-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  color: #fff;
  padding: 28px 32px;
  border-radius: var(--radius) var(--radius) 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.day-header h3 {
  font-size: 22px;
  margin-bottom: 4px;
}
.day-header .day-topic {
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange-soft);
  font-weight: 600;
}
.day-header .day-meta {
  font-size: 14px;
  opacity: .85;
}

.session-block {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 0;
  padding: 0;
}
.session-block:last-of-type {
  border-radius: 0 0 var(--radius) var(--radius);
}

.session-title {
  background: var(--bg-alt);
  padding: 14px 32px;
  font-weight: 700;
  color: var(--navy);
  font-size: 14px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}
.session-title .time {
  color: var(--orange);
  margin-right: 10px;
}

.programme-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.programme-item:last-child { border-bottom: 0; }
.programme-item .pi-time {
  font-weight: 700;
  color: var(--orange);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.programme-item .pi-content h4 {
  font-size: 15.5px;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
}
.programme-item .pi-content .pi-meta {
  font-size: 13.5px;
  color: var(--text-mute);
}
.programme-item.confirmed .pi-content h4::after {
  content: "Confirmed lecturer";
  display: inline-block;
  margin-left: 8px;
  font-size: 11px;
  background: rgba(240, 138, 62, .12);
  color: var(--orange);
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: .3px;
  text-transform: uppercase;
  vertical-align: middle;
}
.programme-item.break {
  background: #fcfaf6;
}
.programme-item.break .pi-content h4 {
  color: var(--text-mute);
  font-weight: 500;
  font-style: italic;
}

/* ---------- Registration ---------- */
.reg-pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}
.price-card {
  background: #fff;
  border: 2px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all .2s ease;
}
.price-card:hover {
  border-color: var(--orange-soft);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.price-card.featured {
  border-color: var(--orange);
  position: relative;
  box-shadow: 0 8px 30px rgba(240, 138, 62, .2);
}
.price-card.featured::before {
  content: "Save €20";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--orange);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
}
.price-card h3 {
  font-size: 16px;
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 6px;
}
.price-card .price-tier {
  font-size: 12px;
  color: var(--text-mute);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 18px;
}
.price-card .amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 6px;
}
.price-card .amount sup { font-size: 22px; vertical-align: top; margin-right: 2px; }
.price-card .amount-note {
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 24px;
}

.reg-form {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.reg-form h3 {
  color: var(--navy);
  font-size: 22px;
  margin-bottom: 6px;
}
.reg-form .form-sub {
  color: var(--text-mute);
  margin-bottom: 28px;
  font-size: 14.5px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  letter-spacing: .3px;
}
.form-field input,
.form-field select,
.form-field textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  transition: border-color .15s ease, box-shadow .15s ease;
  background: #fff;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(240, 138, 62, .15);
}
.form-field .hint { font-size: 12px; color: var(--text-mute); }

.summary {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.summary .sum-label { color: var(--text-mute); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.summary .sum-amount { font-size: 32px; font-weight: 800; color: var(--navy); line-height: 1; }
.summary .sum-tier { font-size: 13px; color: var(--text-mute); }

.consent {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.5px; color: var(--text-mute);
  margin-bottom: 22px;
}
.consent input { margin-top: 3px; flex-shrink: 0; }

.form-error {
  background: #FFE9E2;
  border: 1px solid #F5C6B7;
  color: #8C2A0F;
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: 14px;
  display: none;
}
.form-error.visible { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, .85);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
}
.footer-grid p, .footer-grid li { font-size: 14px; color: rgba(255, 255, 255, .7); margin-bottom: 8px; }
.footer-grid ul { list-style: none; }
.footer-grid a { color: rgba(255, 255, 255, .85); }
.footer-grid a:hover { color: var(--orange-soft); }
.footer-logos {
  display: flex; gap: 20px; align-items: center; flex-wrap: wrap;
  margin-top: 16px;
}
.footer-logos img {
  background: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  max-height: 60px;
  width: auto;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}

/* ---------- Logo Strip (sponsors / orgs) ---------- */
.logo-strip {
  background: #fff;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.logo-strip-inner {
  display: flex;
  gap: 50px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  background-color: #FFFFFF;
}
.logo-strip img {
  max-height: 56px;
  width: auto;
  opacity: .85;
  transition: opacity .15s ease;
}
.logo-strip img:hover { opacity: 1; }
.logo-strip .strip-label {
  width: 100%;
  text-align: center;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 8px;
  font-weight: 600;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { padding: 50px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-poster { max-width: 420px; margin: 0 auto; }
  section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .reg-form { padding: 28px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .programme-item { grid-template-columns: 80px 1fr; padding: 16px 20px; gap: 16px; }
  .session-title { padding: 12px 20px; }
  .day-header { padding: 22px 20px; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    gap: 4px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 14px; }
  .hero h1 { font-size: 38px; }
  .programme-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .programme-item .pi-time { font-size: 13px; }
}