/* style2026_v2.css — versió optimitzada */

:root {
  --primary: #ff8000;
  --secondary: #22223b;
  --accent: #4ea8de;
  --bg: #f8f9fa;
  --white: #fff;
  --radius: 18px;
  --shadow: 0 4px 24px rgba(34, 34, 59, 0.08);
  --sidebar-width: 220px;
  --gray-light: #f3f3f3;
  --gray-border: #e9ecef;
  --text-muted: #666;
  --btn-bg: #003366;
  --btn-bg-hover: #0055aa;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', Arial, sans-serif;
  background: var(--bg);
  color: var(--secondary);
  margin: 0;
  min-height: 100vh;
}

/* ==========================================================================
   Navbar (menú vertical)
   ========================================================================== */
.navbar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: var(--white);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
}

.navbar img {
  height: 150px;
  margin-bottom: 2rem;
}

.navbar nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.navbar nav a {
  display: block;
  width: 100%;
  text-align: left;
  text-decoration: none;
  color: var(--secondary);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  background: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.navbar nav a:hover,
.navbar nav a.active {
  background: var(--primary);
  color: var(--white);
}

/* ==========================================================================
   Layout general (contingut desplaçat pel navbar fix)
   ========================================================================== */
header,
.main-content,
.content-box,
footer {
  margin-left: var(--sidebar-width);
  width: calc(100vw - var(--sidebar-width));
}

.main-content {
  display: flex;
  flex-direction: column;
}

.content-box {
  padding: 50px;
}

.hero,
.cta,
.previous-editions,
.footer-content {
  margin: 0 auto;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header-bar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 500;
  padding: 1.1rem 2.5rem;
}

.header-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.header-date {
  font-size: 1.05rem;
  font-weight: 400;
  opacity: 0.95;
  text-align: right;
}

.header-hero {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--secondary);
}

.header-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.7);
}

.header-hero-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 4px 24px rgba(34, 34, 59, 0.25), 0 1px 0 #000;
  pointer-events: none;
}

/* ==========================================================================
   Hero / CTA
   ========================================================================== */
.hero {
  position: relative;
  text-align: center;
  color: var(--white);
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.5rem 2rem 2rem;
  margin-top: 2.5rem;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -1px;
}

.hero h2 {
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0 0 1.5rem;
  opacity: 0.95;
}

.dates {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 1.2rem;
  padding: 0.5rem 1.2rem;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.cta {
  text-align: center;
  color: var(--white);
  background: var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 2rem;
  font-size: 1.15rem;
  font-weight: 500;
  margin-top: 2.5rem;
}

.cta strong {
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Content: topics + support
   ========================================================================== */
.content {
  display: flex;
  flex-wrap: nowrap;
  gap: 2rem;
  width: 100%;
  margin-top: 2rem;
  padding: 0 4rem 0 2rem;
}

.topics,
.support {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.5rem;
  min-width: 0;
}

.topics {
  flex: 0 0 67%;
  max-width: 67%;
}

.support {
  flex: 0 0 33%;
  max-width: 33%;
  text-align: center;
}

.topics h3,
.support h3 {
  color: var(--primary);
  margin-top: 0;
  font-size: 1.2rem;
  letter-spacing: 0.5px;
}

.topics ul {
  line-height: 1.7;
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}

.support img {
  max-width: 140px;
  margin: 0.7rem 0;
  padding: 0.3rem;
  background: var(--gray-light);
  border-radius: 8px;
}

.support small {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.97rem;
  color: var(--text-muted);
}

.support .ack-text {
  width: calc(100% - 0.5rem);
  text-align: left;
  color: var(--secondary);
  font-size: 1rem;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-left: 0.5rem;
}

.support .ack-box {
  display: block;
  width: calc(100% + 1.5rem);
  text-align: center;
  color: var(--secondary);
  font-size: 1rem;
  background-color: var(--gray-border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-top: 1rem;
  margin-left: -0.5rem;
}

/* ==========================================================================
   Previous editions
   ========================================================================== */
.previous-editions {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 2rem;
  margin-top: 2rem;
}

.previous-editions h3 {
  color: var(--primary);
  margin-top: 0;
  font-size: 1.1rem;
}

.previous-editions a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  margin-right: 1.5rem;
  transition: color 0.2s;
}

.previous-editions a:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--secondary);
  color: var(--white);
  font-size: 0.95rem;
  padding: 1rem 0;
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 0 2.5rem;
}

sup {
  vertical-align: super;
  font-size: smaller;
}

/* ==========================================================================
   Committee
   ========================================================================== */
.committee-section {
  max-width: 900px;
  width: 100%;
  margin: 1rem auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 2rem 1.5rem;
}

.committee-title {
  color: var(--primary);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}

.committee-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.committee-member {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid #eee;
}

.committee-member:last-child {
  border-bottom: none;
}

.member-photo {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 12px;
  background: var(--gray-light);
  border: 1px solid #ddd;
  flex-shrink: 0;
}

.member-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.member-name {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.08rem;
  margin-bottom: 0.2rem;
}

.member-role {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 0.1rem;
}

.member-affiliation,
.member-email {
  color: #444;
  font-size: 0.98rem;
}

/* ==========================================================================
   Keynote speakers
   ========================================================================== */
.keynote-section {
  display: block;
  max-width: 1200px;
  width: 100%;
  margin: 2rem auto;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
}

.keynote-title {
  text-align: center;
  color: var(--primary);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.keynote-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: 2rem;
  width: 100%;
}

.keynote-card {
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.keynote-card img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.keynote-name {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.keynote-affiliation,
.keynote-position {
  color: var(--secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   Important dates
   ========================================================================== */
.dates-wrapper {
  width: 50%;
  margin: 0 auto;
}

.dates-wrapper h2 {
  color: var(--secondary);
  font-size: 22px;
  margin-bottom: 20px;
}

.date-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 20px;
  margin-bottom: 10px;
  background-color: var(--white);
  border-left: 5px solid var(--secondary);
  transition: background-color 0.3s ease;
  cursor: default;
}

.date-item:hover {
  background-color: #e6f0ff;
}

.date-label {
  color: var(--secondary);
  font-weight: bold;
}

.date-description {
  color: var(--text-muted);
}

/* ==========================================================================
   Abstracts
   ========================================================================== */

.abstract-status-panel{

    margin-top:30px;

    text-align:center;

}

.abstract-status-line{

    font-size:1.25rem;

    margin-bottom:8px;

}

.abstract-status-line strong{

    color:#333;

}

.status-open{

    color:#20a33b;

    font-weight:700;

}

.status-closed{

    color:#d63b34;

    font-weight:700;

}

.abstract-period{

    color:#555;

    font-size:1rem;

    margin-bottom:28px;

}

.abstract-actions{

    display:flex;

    justify-content:center;

    align-items:center;

    gap:15px;

    flex-wrap:wrap;

    margin-top:25px;

}

.abstract-button{

    display:inline-flex;

    align-items:center;

    justify-content:center;

    min-width:230px;

    padding:14px 28px;

    border-radius:8px;

    font-size:1rem;

    font-weight:600;

    text-decoration:none;

    transition:all .25s ease;

    box-sizing:border-box;

}

.primary-button{

    background:#0a4d8c;

    color:#fff;

    box-shadow:0 5px 14px rgba(0,0,0,.15);

}

.primary-button:hover{

    background:var(--primary);

    transform:translateY(-2px);

    box-shadow:0 8px 20px rgba(0,0,0,.20);

}

.secondary-button{

    background:#fff;

    color:#0a4d8c;

    border:2px solid #0a4d8c;

}

.secondary-button:hover{

    background:#0a4d8c;

    color:#fff;

    transform:translateY(-2px);

}

.abstract-button.disabled{

    background:#d8dbe0;

    color:#7f8790;

    cursor:not-allowed;

    box-shadow:none;

    pointer-events:none;

}

.abstract-button.disabled:hover{

    transform:none;

}


/* Responsive layout */

@media (max-width:700px){

    .abstract-actions{

        flex-direction:column;

    }

    .abstract-button{

        width:100%;

        max-width:320px;

    }

}

/* ==========================================================================
   Registration
   ========================================================================== */
.registration-process .process-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  width: calc(100vw - var(--sidebar-width));
  padding: 50px;
}

.registration-process .registration-steps,
.registration-process .payment-method,
.registration-process .registration-status,
.registration-process .invoice-request {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  flex: 1 1 30%;
  height: 100%;
  min-height: 280px;
  background: var(--bg);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.registration-process .invoice-request {
  background: transparent;
  border: none;
  box-shadow: none;
}

.registration-process h2 {
  color: var(--primary);
  text-align: left;
  margin-bottom: 0.8rem;
  margin-left: 50px;
}

.registration-process h3 {
  color: var(--secondary);
  text-align: center;
  margin-bottom: 0.8rem;
}

.registration-status p,
.registration-process p,
.registration-process a,
.registration-process ul {
  text-align: left;
  margin-left: 50px;
}

.registration-process .step {
  position: absolute;
  top: 10px;
  left: 10px;
  margin: 0;
  z-index: 10;
}

h3 .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  margin-right: 8px;
}

.reg-state.open {
  color: green;
  font-weight: bold;
}

.reg-state.closed {
  color: red;
  font-weight: bold;
}

.step {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.step-number {
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  margin-right: 10px;
  font-weight: bold;
  color: var(--white);
  background-color: var(--secondary);
  border-radius: 50%;
}

.step-text {
  color: #333;
}

/* ==========================================================================
   Online Registration
   ========================================================================== */

.registration-panel{

    margin-top:35px;

    text-align:center;

}

.registration-status-line{

    font-size:1.35rem;

    font-weight:600;

    margin-bottom:10px;

}

.status-label{

    color:#333;

}

.status-open{

    color:#20a33b;

    font-weight:700;

}

.status-closed{

    color:#d63b34;

    font-weight:700;

}

.registration-period{

    color:#555;

    font-size:1rem;

    margin-bottom:28px;

}

.registration-button-wrapper{

    display:flex;

    justify-content:center;

}

.registration-button{

    display:inline-block;

    min-width:280px;

    padding:16px 34px;

    border-radius:8px;

    background:#0a4d8c;

    color:#fff;

    font-size:1.05rem;

    font-weight:600;

    text-decoration:none;

    transition:all .25s ease;

    box-shadow:0 5px 14px rgba(0,0,0,.18);

}

.registration-button:hover{

    background:#1565c0;

    transform:translateY(-2px);

    box-shadow:0 8px 20px rgba(0,0,0,.22);

}

.registration-button.disabled{

    background:#d8dbe0;

    color:#7f8790;

    cursor:not-allowed;

    box-shadow:none;

    pointer-events:none;

}

.registration-button.disabled:hover{

    transform:none;

}


/* ==========================================================================
   Registration fees
   ========================================================================== */
.registration-fees p {
  font-size: 16px;
}

.registration-fees h2 {
  color: var(--primary);
  margin-left: 50px;
}

.registration-fees h3 {
  color: var(--secondary);
  margin-left: 50px;
}

.fees-table {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  border-collapse: collapse;
}

.fees-table th,
.fees-table td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}

.th-title {
  font-weight: bold;
}

.th-subtitle {
  font-size: 0.8em;
  font-weight: normal;
  color: #777;
  margin-top: 2px;
}

.fee-includes-wrapper {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.fee-includes,
.fee-excludes {
  width: 48%;
}

.fee-includes ul,
.fee-excludes ul {
  list-style-type: disc;
  padding-left: 20px;
}

.fee-includes h3,
.fee-excludes h3 {
  color: var(--secondary);
  margin-left: 20px;
}

.payment-method .payment-block {
  margin-bottom: 20px;
}

.payment-block button {
  padding: 8px 16px;
  margin-right: 10px;
}

.invoice-request h2 {
  color: var(--primary);
}

.invoice-request h3 {
  color: var(--secondary);
}

/* ==========================================================================
   Cancellation policy
   ========================================================================== */
.cancellation-policy {
  width: 100%;
  font-size: 16px;
  margin-left: 50px;
}

.cancellation-policy h2 {
  color: var(--primary);
}

.cancellation-policy h3 {
  color: var(--secondary);
}

.cancellation-policy .table-wrapper {
  display: flex;
  justify-content: center;
  width: 100%;
}

.cancellation-policy .table-container {
  width: 50%;
  max-width: 700px;
}

.cancellation-policy .table-container .date-item {
  width: 100%;
  border-left: 5px solid #003366;
}

.cancellation-policy .date-item:hover {
  background-color: #e6f0ff;
}

/* ==========================================================================
   Botons (estil unificat)
   ========================================================================== */
.btn,
a.button,
a.payment-button,
a.payment-block,
a.action-btn,
a.reg-btn,
button.button,
button.action-btn,
button.btn {
  display: inline-block;
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
  border: none;
  border-radius: 6px;
  padding: 10px 18px;
  background-color: var(--btn-bg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.12s ease;
}

.btn:hover,
a.button:hover,
a.payment-button:hover,
a.payment-block:hover,
a.action-btn:hover,
a.reg-btn:hover,
button.button:hover,
button.action-btn:hover,
button.btn:hover {
  background-color: var(--btn-bg-hover);
  transform: scale(1.03);
}

.btn.disabled,
.btn[disabled],
a.button.disabled,
a.payment-button.disabled,
a.payment-block.disabled,
a.action-btn.disabled,
a.reg-btn.disabled,
a.button[aria-disabled="true"],
a.btn[aria-disabled="true"],
button.disabled,
button[disabled] {
  pointer-events: none;
  cursor: not-allowed;
  opacity: 0.55;
  color: #eee;
  background-color: #888;
  box-shadow: none;
  transform: none;
  text-decoration: none;
}

.subscribe-form .button {
  width: 100%;
  text-align: center;
}

/* ==========================================================================
   Formularis (GDPR compliant)
   ========================================================================== */
.subscribe-form {
  max-width: 600px;
  margin: 40px auto;
  background: var(--bg);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  font-family: 'Montserrat', sans-serif;
}

.subscribe-form h2 {
  text-align: center;
  color: var(--primary);
  font-weight: bold;
  margin-bottom: 1rem;
}

.subscribe-form p {
  text-align: center;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.form-box {
  text-align: center;
  padding: 2rem 0;
}

.form-box h2,
.form-box p {
  text-align: left;
  padding-left: 1.5rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-bottom: 1.2rem;
}

.form-group label {
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccd;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 4px rgba(255, 128, 0, 0.3);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  font-size: 14px;
  cursor: pointer;
}

/* ==========================================================================
   Botó hexagonal de subscripció
   ========================================================================== */
.subsbutton {
  --size: 100px;
  --rotation: 0deg;
  position: absolute;
  top: 100px;
  left: 100px;
  z-index: 9999;
  width: var(--size);
  aspect-ratio: 1 / 1;
  clip-path: polygon(25% 3%, 75% 3%, 100% 50%, 75% 97%, 25% 97%, 0% 50%);
  background: var(--primary);
  color: var(--white);
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transform: rotate(var(--rotation));
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.subsbutton:hover {
  transform: scale(1.15) rotate(var(--rotation));
  background: var(--secondary);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 950px) {
  header,
  .main-content,
  .content-box,
  footer {
    margin-left: 0;
    width: 100vw;
  }

  .header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem 1vw;
  }

  .header-date {
    text-align: left;
  }

  .navbar {
    position: static;
    width: 100vw;
    min-height: unset;
    height: auto;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 0.5rem;
  }

  .navbar nav {
    flex-direction: row;
    gap: 0.5rem;
    width: auto;
  }

  .navbar img {
    margin-bottom: 0;
    margin-right: 1.5rem;
  }

  .hero,
  .content,
  .cta,
  .previous-editions {
    margin-left: 0;
    max-width: 98vw;
    padding-left: 1vw;
    padding-right: 1vw;
  }

  .keynote-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .registration-process .process-container {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .registration-process .registration-steps,
  .registration-process .payment-method,
  .registration-process .registration-status,
  .registration-process .invoice-request {
    width: 100%;
    height: 100%;
    position: relative;
  }
}

@media (max-width: 768px) {
  .dates-wrapper {
    width: 90%;
  }

  .date-item {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 700px) {
  .content {
    flex-direction: column;
  }

  .topics,
  .support {
    max-width: 100%;
    flex: 1 1 100%;
  }

  .hero {
    padding: 1.5rem 0.7rem 1.2rem;
  }

  .cta,
  .previous-editions {
    padding: 1.2rem 0.7rem;
  }

  .committee-section {
    padding: 1.2rem 0.5rem 1rem;
  }

  .committee-member {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .member-photo {
    width: 70px;
    height: 70px;
  }
}

@media (max-width: 600px) {
  .keynote-grid {
    grid-template-columns: 1fr;
  }
}