@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --green-900: #0d4f2b;
  --green-700: #1b6b3a;
  --green-500: #28a356;
  --green-100: #e8f5ee;
  --green-50:  #f0faf4;
  --amber:     #f59e0b;
  --text:      #1f2937;
  --muted:     #6b7280;
  --border:    #e5e7eb;
  --white:     #ffffff;
  --radius:    12px;
  --shadow:    0 4px 24px rgba(0,0,0,.08);
}

/* ===================== RESET ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--green-700);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

/* ===================== HEADER ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 6px rgba(0,0,0,.05);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
}

.header-logo img {
  height: 44px;
  width: auto;
}

.logo-fallback {
  background: var(--green-700);
  color: var(--white);
  font-weight: 700;
  font-size: .95rem;
  padding: .45rem 1rem;
  border-radius: 8px;
  letter-spacing: .03em;
  white-space: nowrap;
}

.header-badge {
  background: var(--green-100);
  color: var(--green-700);
  font-size: .75rem;
  font-weight: 600;
  padding: .3rem .75rem;
  border-radius: 999px;
  border: 1px solid #b7dfc7;
  white-space: nowrap;
}

/* ===================== HERO ===================== */
.hero {
  background: linear-gradient(135deg, #f0faf4 0%, #e8f5ee 60%, #d6f0e2 100%);
  padding: 4rem 1.5rem;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 3rem;
  align-items: start;
}

/* Hero left column */
.hero-content {
  padding-top: .5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--green-700);
  color: var(--white);
  font-size: .75rem;
  font-weight: 700;
  padding: .4rem .9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.15;
  color: var(--green-900);
  margin-bottom: .75rem;
}

.hero-subtitle {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--green-700);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.hero-description {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.75rem;
  max-width: 520px;
}

/* Sedes */
.sedes-row {
  display: flex;
  gap: .75rem;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.sede-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem 1rem;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 600;
  border: 1.5px solid;
}

.sede-pill-madrid {
  background: #eff6ff;
  color: #1d4ed8;
  border-color: #bfdbfe;
}

.sede-pill-barcelona {
  background: #f5f3ff;
  color: #6d28d9;
  border-color: #ddd6fe;
}

/* Partners */
.partners-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.partners-label {
  font-size: .75rem;
  color: var(--muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.partners-logos {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.partner-name {
  font-size: .82rem;
  font-weight: 700;
  color: #374151;
  background: var(--white);
  border: 1px solid var(--border);
  padding: .3rem .7rem;
  border-radius: 6px;
}

.partners-row-split {
  justify-content: space-between;
  align-items: stretch;
  gap: 2rem;
}

.partners-row-split .partners-block {
  flex: 1 1 300px;
  min-width: 260px;
}

.partners-row-split {
  align-items: stretch;
}

.partners-row-split .partners-block {
  flex: 1 1 260px;
  min-width: 240px;
}

/* ===================== FORM CARD ===================== */
.form-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,.12);
  padding: 2rem;
  border: 1px solid var(--border);
}

.form-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .35rem;
}

.form-card-subtitle {
  font-size: .82rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

/* Form elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: .3rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select {
  width: 100%;
  padding: .65rem .9rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: .875rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--green-700);
  box-shadow: 0 0 0 3px rgba(27,107,58,.12);
}

.form-group input.has-error,
.form-group select.has-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .85rem center;
  padding-right: 2.5rem;
}

.field-error {
  display: block;
  color: #dc2626;
  font-size: .76rem;
  margin-top: .25rem;
  font-weight: 500;
}

/* Sede card selector */
.sede-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
  margin-bottom: 0;
}

.sede-card {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: .9rem .75rem;
  cursor: pointer;
  text-align: center;
  transition: border-color .2s, background .2s, box-shadow .2s;
  user-select: none;
  -webkit-user-select: none;
}

.sede-card:hover {
  border-color: #a7d7bb;
  background: var(--green-50);
}

.sede-card.selected {
  border-color: var(--green-700);
  background: var(--green-50);
  box-shadow: 0 0 0 3px rgba(27,107,58,.1);
}

.sede-card .sede-icon {
  font-size: 1.4rem;
  margin-bottom: .3rem;
  display: flex;
  justify-content: center;
}

.sede-card .sede-name {
  font-size: .875rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .15rem;
}

.sede-card .sede-date {
  font-size: .72rem;
  color: var(--muted);
}

.sede-card.selected .sede-name {
  color: var(--green-700);
}

.sede-card.has-error {
  border-color: #ef4444;
}

/* Checkbox */
.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  margin-bottom: .75rem;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: .1rem;
  accent-color: var(--green-700);
  cursor: pointer;
}

.checkbox-group label {
  font-size: .8rem;
  color: #374151;
  cursor: pointer;
  line-height: 1.45;
  font-weight: 400;
}

.checkbox-group label a {
  color: var(--green-700);
  font-weight: 500;
}

/* Submit button */
.btn-submit {
  display: block;
  width: 100%;
  background: var(--green-700);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: .875rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background .2s, transform .1s;
  margin-top: .5rem;
  letter-spacing: .01em;
}

.btn-submit:hover:not(:disabled) {
  background: var(--green-900);
  transform: translateY(-1px);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}

.btn-submit:disabled,
.btn-submit.loading {
  opacity: .65;
  cursor: not-allowed;
  transform: none;
}

.btn-submit .btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
}

.btn-submit.loading .btn-text { display: none; }
.btn-submit.loading .btn-spinner { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form alerts */
.form-alert {
  padding: .75rem 1rem;
  border-radius: 8px;
  font-size: .82rem;
  margin-bottom: 1rem;
  display: none;
}

.form-alert.show { display: block; }

.form-alert.error {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #b91c1c;
}

.form-alert.success {
  background: var(--green-100);
  border: 1px solid #a7d7bb;
  color: var(--green-900);
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: #111827;
  color: #9ca3af;
  padding: 2.5rem 1.5rem;
  margin-top: 4rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #374151;
}

.footer-logo-text {
  display: inline-block;
  background: var(--green-700);
  color: var(--white);
  font-weight: 700;
  font-size: .85rem;
  padding: .35rem .875rem;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: #9ca3af;
  font-size: .8rem;
  text-decoration: none;
  transition: color .2s;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: none;
}

.footer-copyright {
  font-size: .8rem;
  margin-bottom: .5rem;
}

.footer-rgpd {
  font-size: .72rem;
  line-height: 1.6;
  color: #6b7280;
  max-width: 760px;
}

/* ===================== GRACIAS PAGE ===================== */
.gracias-section {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  background: linear-gradient(135deg, #f0faf4 0%, #e8f5ee 100%);
}

.gracias-card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 12px 48px rgba(0,0,0,.1);
  padding: 3rem 2.5rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
}

/* Checkmark animation */
.checkmark-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.checkmark-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--green-100);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: circle-pop .5s cubic-bezier(.175,.885,.32,1.275) both;
}

@keyframes circle-pop {
  0%   { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.checkmark-svg {
  width: 42px;
  height: 42px;
  animation: check-draw .4s .3s ease-out both;
}

@keyframes check-draw {
  0%   { opacity: 0; transform: scale(.6); }
  100% { opacity: 1; transform: scale(1); }
}

.gracias-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: .75rem;
}

.gracias-text {
  font-size: .95rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.event-info-box {
  background: var(--green-100);
  border: 1px solid #b7dfc7;
  border-radius: 12px;
  padding: 1.1rem;
  margin-bottom: 2rem;
  text-align: left;
}

.event-info-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .85rem;
  color: #374151;
  margin-bottom: .5rem;
}

.event-info-row:last-child { margin-bottom: 0; }

.event-info-row svg {
  flex-shrink: 0;
  color: var(--green-700);
}

.btn-back {
  display: inline-block;
  background: var(--green-700);
  color: var(--white);
  padding: .8rem 2rem;
  border-radius: 10px;
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .2s, transform .1s;
}

.btn-back:hover {
  background: var(--green-900);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ===================== HEADER EXTRAS ===================== */
.header-right {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.header-cta {
  background: var(--green-700);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  padding: .45rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background .2s;
  white-space: nowrap;
}

.header-cta:hover {
  background: var(--green-900);
  text-decoration: none;
}

.sede-pill-hour {
  background: #f0fdf4;
  color: #166534;
  border-color: #bbf7d0;
}

/* ===================== FORM ROW 2 ===================== */
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}

/* ===================== SECTIONS SHARED ===================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content-section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--green-700);
  background: var(--green-100);
  padding: .3rem .8rem;
  border-radius: 999px;
  margin-bottom: .75rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--green-900);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.section-desc {
  color: var(--muted);
  font-size: .95rem;
}

/* ===================== SECTION ABOUT ===================== */
.section-about {
  background: var(--green-50);
  border-top: 1px solid #d1eadb;
  border-bottom: 1px solid #d1eadb;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 4rem;
  align-items: start;
}

.about-text .section-label { margin-bottom: .6rem; }

.about-text .section-title {
  text-align: left;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-text p {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.75;
  margin-bottom: .9rem;
}

.about-text p strong { color: var(--text); }

.about-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .9rem;
  color: var(--text);
}

.about-list svg {
  flex-shrink: 0;
  color: var(--green-700);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid #c9e8d5;
  border-radius: 14px;
  padding: 1.4rem 1.2rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(27,107,58,.07);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--green-700);
  line-height: 1;
  margin-bottom: .4rem;
}

.stat-label {
  font-size: .75rem;
  color: var(--muted);
  font-weight: 500;
  line-height: 1.3;
}

/* ===================== SEDES DETAIL ===================== */
.section-sedes-detail {
  background: var(--white);
}

.sedes-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.sede-detail-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sede-detail-header {
  padding: 1.4rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
}

.sede-bcn .sede-detail-header { background: #f5f3ff; }
.sede-mad .sede-detail-header { background: #eff6ff; }

.sede-city-badge {
  font-size: 1rem;
  font-weight: 800;
  padding: .35rem .9rem;
  border-radius: 8px;
}

.sede-city-badge.bcn {
  background: #ede9fe;
  color: #5b21b6;
}

.sede-city-badge.mad {
  background: #dbeafe;
  color: #1d4ed8;
}

.sede-detail-date {
  font-size: .78rem;
  color: var(--muted);
  font-weight: 500;
}

.sede-detail-body {
  padding: 1.25rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .85rem;
}

.sede-venue,
.sede-schedule {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .875rem;
}

.sede-venue svg,
.sede-schedule svg {
  flex-shrink: 0;
  margin-top: .15rem;
  color: var(--muted);
}

.sede-venue div {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}

.sede-venue strong {
  color: var(--text);
  font-weight: 600;
}

.sede-venue span,
.sede-schedule span {
  color: var(--muted);
  font-size: .82rem;
}

.sede-cta {
  display: block;
  margin: 0 1.5rem 1.5rem;
  padding: .8rem 1.5rem;
  text-align: center;
  border-radius: 10px;
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
  transition: filter .2s, transform .1s;
}

.sede-cta:hover {
  filter: brightness(.9);
  transform: translateY(-1px);
  text-decoration: none;
}

.bcn-cta {
  background: #7c3aed;
  color: var(--white);
}

.mad-cta {
  background: #1d4ed8;
  color: var(--white);
}

/* ===================== AGENDA ===================== */
.section-agenda {
  background: #f9fafb;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.agenda-timeline {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.agenda-timeline::before {
  content: '';
  position: absolute;
  left: 72px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: #d1eadb;
}

.agenda-item {
  display: grid;
  grid-template-columns: 68px 14px 1fr;
  gap: 0 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.agenda-item:last-child { margin-bottom: 0; }

.agenda-time {
  text-align: right;
  font-size: .8rem;
  font-weight: 700;
  color: var(--green-700);
  padding-top: .2rem;
  font-variant-numeric: tabular-nums;
}

.agenda-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--white);
  border: 2.5px solid var(--green-700);
  flex-shrink: 0;
  margin-top: .15rem;
  position: relative;
  z-index: 1;
}

.agenda-dot-break {
  background: #fef3c7;
  border-color: var(--amber);
}

.agenda-dot-end {
  background: var(--green-700);
  border-color: var(--green-700);
}

.agenda-content {
  padding-bottom: .2rem;
}

.agenda-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.agenda-speaker {
  font-size: .78rem;
  color: var(--muted);
  margin-top: .2rem;
}

.agenda-break .agenda-title {
  color: #92400e;
}

.agenda-end .agenda-title {
  color: var(--green-700);
  font-weight: 700;
}

/* ===================== PONENTES ===================== */
.section-ponentes {
  background: var(--white);
}

.ponentes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.ponente-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: box-shadow .2s, transform .2s;
}

.ponente-card:hover {
  box-shadow: 0 6px 28px rgba(0,0,0,.09);
  transform: translateY(-3px);
}

.ponente-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

.ponente-name {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: .25rem;
}

.ponente-role {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: .2rem;
}

.ponente-company {
  font-size: .75rem;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  display: inline-block;
  padding: .15rem .6rem;
  border-radius: 999px;
  margin-top: .25rem;
}

/* ===================== CTA FINAL ===================== */
.section-cta-final {
  background: linear-gradient(135deg, var(--green-900) 0%, var(--green-700) 100%);
  padding: 3.5rem 0;
}

.cta-final-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cta-final-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .4rem;
}

.cta-final-desc {
  color: rgba(255,255,255,.75);
  font-size: .95rem;
}

.btn-cta-final {
  background: var(--white);
  color: var(--green-700);
  font-size: .95rem;
  font-weight: 700;
  padding: .9rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  flex-shrink: 0;
}

.btn-cta-final:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
  text-decoration: none;
  color: var(--green-900);
}

/* ===================== PARTNERS BOTTOM ===================== */
.section-partners-bottom {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.partners-bottom-label {
  text-align: center;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
}

.partners-bottom-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.partner-bottom-item {
  font-size: .95rem;
  font-weight: 700;
  color: #374151;
}

.partners-divider {
  color: var(--border);
  font-size: 1.2rem;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .ponentes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2rem;
  }
  .sedes-detail-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .cta-final-inner {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .btn-cta-final {
    width: 100%;
  }
  .section-title {
    font-size: 1.65rem;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 2.5rem 1rem;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-subtitle {
    font-size: 1.1rem;
  }
  .partners-row-split {
    flex-direction: column;
  }
  .partners-row-split .partners-block {
    min-width: auto;
  }
  .form-card {
    padding: 1.5rem 1.25rem;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .gracias-card {
    padding: 2rem 1.25rem;
  }
  .gracias-title {
    font-size: 1.4rem;
  }
  .content-section {
    padding: 3rem 0;
  }
  .agenda-timeline::before {
    left: 60px;
  }
  .agenda-item {
    grid-template-columns: 56px 14px 1fr;
  }
  .ponentes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .header-cta {
    display: none;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: .5rem 1rem;
  }
  .sede-selector {
    grid-template-columns: 1fr 1fr;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .partners-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .ponentes-grid {
    grid-template-columns: 1fr 1fr;
    gap: .75rem;
  }
  .agenda-item {
    grid-template-columns: 48px 12px 1fr;
    gap: 0 .75rem;
  }
  .agenda-timeline::before {
    left: 50px;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .cta-final-title {
    font-size: 1.3rem;
  }
  .partners-bottom-row {
    gap: .6rem;
  }
}