/* ===== VARIABLES ===== */
:root {
  --azul-pr: #002868;
  --rojo-pr: #BF0A30;
  --dorado: #C9A84C;
  --blanco: #FFFFFF;
  --gris-claro: #F5F5F0;
  --gris-texto: #444444;
  --negro: #111111;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', sans-serif;
  --radius: 8px;
  --sombra: 0 4px 24px rgba(0,0,0,0.10);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--gris-texto); background: var(--blanco); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 32px;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
}
.nav-logo { height: 52px; width: auto; }
.nav-donate { padding: 10px 24px; font-size: 0.9rem; }

/* ===== BUTTONS ===== */
.btn-donate {
  display: inline-block;
  background: var(--rojo-pr);
  color: var(--blanco);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
  letter-spacing: 0.02em;
}
.btn-donate:hover { background: #9a0824; transform: translateY(-2px); }
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--blanco);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.6);
  transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { border-color: var(--blanco); background: rgba(255,255,255,0.1); }
.btn-full { width: 100%; text-align: center; font-size: 1.1rem; padding: 16px; }
.btn-white {
  background: var(--blanco);
  color: var(--azul-pr);
  font-weight: 700;
  padding: 16px 40px;
  font-size: 1.1rem;
  border-radius: var(--radius);
  transition: transform 0.15s, box-shadow 0.2s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: url('../assets/images/hero_image.png') center center / cover no-repeat;
  text-align: center;
  padding: 120px 24px 80px;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,40,104,0.75) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 16px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 900;
  color: var(--blanco);
  line-height: 1.05;
  margin-bottom: 20px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
}
.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: rgba(255,255,255,0.88);
  max-width: 620px;
  margin: 0 auto 36px;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== CONTAINER ===== */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ===== SECTION BASE ===== */
.section { padding: 90px 0; }
.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--rojo-pr);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-label.light { color: rgba(255,255,255,0.7); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--azul-pr);
  line-height: 1.2;
  margin-bottom: 32px;
}
.section-title.light { color: var(--blanco); }
.section-desc { font-size: 1.05rem; max-width: 560px; color: var(--gris-texto); margin-bottom: 36px; }
.section-desc.light { color: rgba(255,255,255,0.85); }

/* ===== HISTORIA ===== */
.historia { background: var(--gris-claro); }
.historia-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.historia-text p { margin-bottom: 20px; font-size: 1.05rem; line-height: 1.8; }
.historia-text strong { color: var(--azul-pr); }
.quote-inline {
  border-left: 4px solid var(--rojo-pr);
  padding: 16px 20px;
  margin-top: 28px;
  background: rgba(191,10,48,0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  font-size: 1rem;
  color: var(--negro);
}
.quote-inline cite { display: block; margin-top: 8px; font-style: normal; font-size: 0.85rem; color: var(--gris-texto); font-weight: 600; }
.historia-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--sombra);
  border-top: 4px solid var(--azul-pr);
}
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--azul-pr);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 0.85rem; color: var(--gris-texto); font-weight: 600; letter-spacing: 0.04em; }

/* ===== CITA GRANDE ===== */
.section-quote {
  background: var(--azul-pr);
  padding: 80px 24px;
  text-align: center;
}
.big-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  color: var(--blanco);
  font-style: italic;
  max-width: 780px;
  margin: 0 auto;
  line-height: 1.5;
  opacity: 0.95;
}

/* ===== VIDEOS ===== */
.videos { background: var(--blanco); }
.videos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--sombra); transition: transform 0.2s; }
.video-card:hover { transform: translateY(-4px); }
.video-link { display: block; }
.video-thumb {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
}
.video-thumb.youtube { background: linear-gradient(135deg, #cc0000, #ff4444); }
.video-thumb.apul { background: linear-gradient(135deg, var(--azul-pr), #1a4a9c); }
.video-link p { padding: 14px 16px; font-weight: 600; font-size: 0.9rem; background: var(--gris-claro); color: var(--azul-pr); }

/* ===== REGISTRO ===== */
.registro { background: var(--gris-claro); }
.registro-form { max-width: 620px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-row input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid #ddd;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.2s;
  background: var(--blanco);
}
.form-row input:focus { outline: none; border-color: var(--azul-pr); }
.form-note { text-align: center; font-size: 0.82rem; color: #888; margin-top: 12px; }
.form-success {
  max-width: 620px; margin: 24px auto 0;
  background: rgba(0,40,104,0.08);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  font-weight: 600;
  color: var(--azul-pr);
  font-size: 1.05rem;
}

/* ===== DONACION ===== */
.donacion {
  background: linear-gradient(135deg, var(--azul-pr) 0%, #00174d 100%);
  padding: 90px 0;
}
.donacion-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}

/* ===== RESPALDO ===== */
.respaldo { background: var(--blanco); }
.logos-grid {
  display: flex; align-items: center; justify-content: center;
  gap: 40px; flex-wrap: wrap;
  margin-top: 16px;
}
.logo-partner {
  display: flex; align-items: center; justify-content: center;
  padding: 16px; border-radius: var(--radius);
  transition: transform 0.2s, box-shadow 0.2s;
  filter: grayscale(20%);
}
.logo-partner:hover { transform: scale(1.05); box-shadow: var(--sombra); filter: grayscale(0%); }
.logo-partner img { height: 64px; width: auto; object-fit: contain; max-width: 160px; }

/* ===== FOOTER ===== */
.footer { background: var(--negro); padding: 48px 0 32px; }
.footer-inner {
  display: flex; flex-direction: column; align-items: center; gap: 20px; text-align: center;
}
.footer-logo { height: 56px; width: auto; opacity: 0.9; }
.footer-links { display: flex; gap: 32px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; font-weight: 600; transition: color 0.2s; letter-spacing: 0.06em; text-transform: uppercase; }
.footer-links a:hover { color: var(--dorado); }
.footer-copy { color: rgba(255,255,255,0.35); font-size: 0.8rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav { padding: 10px 16px; }
  .historia-grid { grid-template-columns: 1fr; gap: 40px; }
  .historia-stats { grid-template-columns: 1fr 1fr; }
  .videos-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .donacion-inner { flex-direction: column; text-align: center; }
  .donacion-inner .section-desc { margin: 0 auto 24px; }
  .logos-grid { gap: 24px; }
}