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

:root {
  --navy: #1a3a6b;
  --navy-claro: #2d5a9e;
  --dorado: #c8a84b;
  --fondo: #f5f1eb;
  --fondo-alt: #ffffff;
  --texto: #1a1a2e;
  --texto-suave: #5a5a72;
  --borde: #d0cfc5;
  --radio: 8px;
  --sombra: 0 2px 12px rgba(0,0,0,0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.7;
  font-size: 1rem;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  background: var(--navy);
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-inner {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-inner a {
  color: #a8c4e8;
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  white-space: nowrap;
  transition: color 0.2s;
  flex-shrink: 0;
}

.nav-inner a:hover {
  color: white;
}

/* Header */
header {
  background: var(--navy);
  color: white;
  padding: 4rem 0 4.5rem;
  text-align: center;
}

.header-logo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin-bottom: 1.5rem;
  box-shadow: 0 6px 32px rgba(0,0,0,0.35);
}

header h1 {
  line-height: 1.1;
  font-weight: normal;
}

.header-label {
  display: block;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(0.7rem, 2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 0.4rem;
}

.header-nombre {
  display: block;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  color: white;
  letter-spacing: -0.01em;
}

.subtitle {
  margin-top: 0.85rem;
  font-size: 0.78rem;
  color: #7aa4c8;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.slogan {
  margin-top: 0.75rem;
  font-size: 1rem;
  color: rgba(200,225,245,0.75);
  font-style: italic;
}

.tagline {
  margin-top: 1.25rem;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-style: italic;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}

.hero-cta {
  display: inline-block;
  margin-top: 2rem;
  background: var(--dorado);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radio);
  transition: opacity 0.2s;
}

.hero-cta:hover {
  opacity: 0.88;
}

/* Global links */
a {
  color: var(--navy-claro);
  text-decoration-color: color-mix(in srgb, var(--navy-claro) 35%, transparent);
  transition: color 0.2s, text-decoration-color 0.2s;
}

a:hover {
  color: var(--navy);
  text-decoration-color: var(--navy);
}

/* Sections */
.section {
  padding: 4rem 0;
  background: var(--fondo);
}

.section--alt {
  background: var(--fondo-alt);
}

.section--navy {
  background: var(--navy);
  color: white;
}

.section--navy h2,
.section--navy h3 {
  color: white;
}

.section--navy .section-intro {
  color: rgba(200,225,245,0.85);
}

.section--navy a {
  color: #a8c8f0;
  text-decoration-color: color-mix(in srgb, #a8c8f0 40%, transparent);
}

.section--navy a:hover {
  color: white;
  text-decoration-color: white;
}

.section h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.section-intro {
  font-size: 1.1rem;
  color: var(--texto-suave);
  margin-bottom: 2.5rem;
  line-height: 1.75;
}

.section p {
  color: var(--texto-suave);
  font-size: 1.05rem;
  margin-bottom: 0.9rem;
}

.section p:last-child {
  margin-bottom: 0;
}

.section p strong {
  color: var(--texto);
  font-weight: 600;
}

blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--dorado);
  background: color-mix(in srgb, var(--dorado) 8%, transparent);
  border-radius: 0 var(--radio) var(--radio) 0;
  font-family: 'Playfair Display', Georgia, serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--navy);
  line-height: 1.6;
}

/* Argumentos */
.argumentos {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.argumento {
  display: flex;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  align-items: flex-start;
}

.argumento:last-child {
  border-bottom: none;
}

.argumento-num {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dorado);
  line-height: 1;
  flex-shrink: 0;
  width: 3rem;
  text-align: right;
}

.argumento-cuerpo h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.6rem;
}

.argumento-cuerpo p {
  color: rgba(200,225,245,0.85);
  font-size: 1rem;
  margin-bottom: 0;
}

.argumento-cuerpo p strong {
  color: white;
  font-weight: 600;
}

.argumento-cuerpo p em {
  color: var(--dorado);
  font-style: italic;
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 2rem 0;
  border-left: 2px solid var(--borde);
  padding-left: 2rem;
}

.timeline-item {
  position: relative;
  padding-bottom: 2.25rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.45rem;
  top: 0.35rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--fondo);
  box-shadow: 0 0 0 2px var(--navy);
}

.timeline-fecha {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-claro);
  margin-bottom: 0.4rem;
}

.timeline-texto h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.timeline-texto p {
  font-size: 0.98rem;
  color: var(--texto-suave);
  margin-bottom: 0;
}

.historia-fuente {
  font-size: 0.82rem;
  color: var(--texto-suave);
  font-style: italic;
  border-top: 1px solid var(--borde);
  padding-top: 1.25rem;
  margin-top: 0.5rem;
}

/* Iniciativa */
.iniciativa-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2rem 0;
}

.iniciativa-bloque h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.iniciativa-lista {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.iniciativa-lista li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 1rem;
  color: var(--texto-suave);
}

.iniciativa-lista li::before {
  content: '→';
  color: var(--navy-claro);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.adherir-cta {
  margin-top: 3rem;
  padding: 2rem;
  background: color-mix(in srgb, var(--navy) 6%, transparent);
  border: 1.5px solid var(--navy);
  border-radius: var(--radio);
  text-align: center;
}

.adherir-cta p {
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 1rem;
}

.btn-adherir {
  display: inline-block;
  background: var(--navy);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radio);
  transition: background 0.2s;
}

.btn-adherir:hover {
  background: var(--navy-claro);
}

/* Contact form */
#contact-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--texto);
}

.field input,
.field textarea {
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--borde);
  border-radius: var(--radio);
  font-family: inherit;
  font-size: 1rem;
  color: var(--texto);
  background: var(--fondo-alt);
  transition: border-color 0.2s;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--navy-claro);
  outline-offset: 2px;
  border-color: var(--navy-claro);
}

button[type="submit"] {
  align-self: flex-start;
  background: var(--navy);
  color: white;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: var(--radio);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

button[type="submit"]:hover {
  background: var(--navy-claro);
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button[type="submit"]:focus-visible {
  outline: 2px solid var(--navy-claro);
  outline-offset: 2px;
}

#form-status {
  font-size: 0.95rem;
  min-height: 1.4rem;
  color: var(--texto-suave);
}

#form-status.success {
  color: #2d7a4a;
}

#form-status.error {
  color: #b03030;
}

.contact-email {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--texto-suave);
}

blockquote footer {
  background: none;
  color: inherit;
  text-align: left;
  padding: 0.5rem 0 0;
  font-size: 0.9rem;
  font-style: normal;
}

/* Footer */
body > footer {
  background: var(--navy);
  color: #c8ddf0;
  text-align: center;
  padding: 2.5rem 0;
  font-size: 0.9rem;
}

body > footer .container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

body > footer a {
  color: #a8c8f0;
  text-decoration: none;
}

body > footer a:hover {
  text-decoration: underline;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-links a {
  color: #a8c8f0;
  display: flex;
  align-items: center;
  transition: color 0.2s;
  text-decoration: none;
}

.social-links a:hover {
  color: white;
}

.social-links a:focus-visible {
  outline: 2px solid var(--navy-claro);
  outline-offset: 4px;
  border-radius: 4px;
}

.footer-copy {
  margin-top: 0.75rem;
  font-style: italic;
  font-size: 0.85rem;
  color: rgba(200,225,245,0.6);
}

@media (max-width: 480px) {
  .argumento {
    gap: 1rem;
  }

  .argumento-num {
    font-size: 2rem;
    width: 2.5rem;
  }

  button[type="submit"] {
    align-self: stretch;
  }

  .timeline {
    padding-left: 1.25rem;
  }
}