:root {
  --amarillo: #f7c100;
  --azul: #16348c;
  --rojo: #d62828;
  --negro: #1c1c1c;
  --gris-claro: #f7f7f7;
  --blanco: #ffffff;
}

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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--negro);
  line-height: 1.6;
  background: var(--blanco);
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* HEADER */
header {
  background: var(--blanco);
  border-bottom: 4px solid var(--amarillo);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-area img { height: 56px; width: auto; }

.logo-area .brand-name {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--azul);
}

.logo-area .brand-tagline {
  font-size: 0.75rem;
  color: var(--rojo);
  font-weight: 600;
}

nav.main-nav ul {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
}

nav.main-nav a {
  font-weight: 600;
  color: var(--negro);
  font-size: 0.95rem;
  transition: color 0.2s;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--azul);
}

.btn-donar-nav {
  background: var(--rojo);
  color: var(--blanco) !important;
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 700;
}

.btn-donar-nav:hover { background: #b81f1f; }

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* HERO */
.hero {
  background:
    linear-gradient(135deg, rgba(12, 33, 96, 0.4) 0%, rgba(22, 52, 140, 0.35) 100%),
    url("../img/hero-bg.png");
  background-size: cover;
  background-position: center;
  color: var(--blanco);
  padding: 90px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.3rem;
  margin-bottom: 18px;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.hero p {
  font-size: 1.15rem;
  max-width: 700px;
  margin: 0 auto 28px;
  color: #e6e9f5;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform 0.15s, opacity 0.15s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary { background: var(--rojo); color: var(--blanco); }
.btn-secondary { background: var(--amarillo); color: var(--negro); }
.btn-outline { background: transparent; border: 2px solid var(--blanco); color: var(--blanco); }

/* SECTION HEADERS */
.section { padding: 70px 0; }
.section-alt { background: var(--gris-claro); }

.section-title {
  text-align: center;
  font-size: 1.9rem;
  color: var(--azul);
  margin-bottom: 10px;
  font-weight: 800;
}

.section-subtitle {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 45px;
  color: #555;
}

/* PILARES / CARDS GRID */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-cards { grid-template-columns: 1fr; }
}

.card {
  background: var(--blanco);
  border: 1px solid #eee;
  border-radius: 14px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 24px rgba(0,0,0,0.1);
}

.card .icon { font-size: 2.4rem; margin-bottom: 14px; }
.card h3 { color: var(--azul); margin-bottom: 10px; font-size: 1.1rem; }
.card p { font-size: 0.92rem; color: #555; }

/* CAMPAIGN CARDS */
.campaign-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

@media (max-width: 900px) {
  .campaign-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .campaign-grid { grid-template-columns: 1fr; }
}

.campaign-card {
  background: var(--blanco);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid #eee;
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
}

.campaign-card .campaign-img {
  height: 170px;
  background: linear-gradient(135deg, var(--amarillo), var(--rojo));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  font-size: 2.5rem;
}

.campaign-card .campaign-body {
  padding: 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.campaign-card h3 { color: var(--azul); margin-bottom: 8px; font-size: 1.05rem; }
.campaign-card p { font-size: 0.9rem; color: #555; margin-bottom: 16px; flex: 1; }

.tag {
  display: inline-block;
  background: var(--gris-claro);
  color: var(--azul);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
  align-self: flex-start;
}

.campaign-card .btn { align-self: flex-start; }

/* IMPACT STRIP */
.impact-strip {
  background: var(--rojo);
  color: var(--blanco);
  padding: 40px 0;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  gap: 20px;
}

@media (max-width: 700px) {
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
}

.impact-grid .num { font-size: 2.2rem; font-weight: 800; display: block; }
.impact-grid .label { font-size: 0.9rem; color: #ffe3e3; }

/* CTA FINAL */
.cta-final {
  background: var(--amarillo);
  text-align: center;
  padding: 60px 0;
}

.cta-final h2 { color: var(--azul); font-size: 1.8rem; margin-bottom: 16px; }
.cta-final p { max-width: 600px; margin: 0 auto 24px; color: #3a3a3a; }

/* TWO COLUMN (about page) */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }
}

.two-col img {
  border-radius: 16px;
}

.value-list li {
  margin-bottom: 14px;
  padding-left: 28px;
  position: relative;
}

.value-list li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--rojo);
  font-weight: 800;
}

/* FORM (contacto) */
.form-box {
  max-width: 650px;
  margin: 0 auto;
  background: var(--blanco);
  border: 1px solid #eee;
  border-radius: 14px;
  padding: 36px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
}

.form-box label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--azul);
  font-size: 0.92rem;
}

.form-box input,
.form-box textarea,
.form-box select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.95rem;
  font-family: inherit;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

@media (max-width: 800px) {
  .contact-info-grid { grid-template-columns: 1fr; }
}

.contact-info-grid .info-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.contact-info-grid .info-card .icon {
  font-size: 1.6rem;
  background: var(--gris-claro);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* DENUNCIA box */
.denuncia-box {
  background: var(--azul);
  color: var(--blanco);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  margin-bottom: 50px;
}

.denuncia-box h2 { margin-bottom: 14px; }
.denuncia-box p { max-width: 650px; margin: 0 auto 22px; color: #d9deef; }

.confidencial-note {
  background: #fff8e1;
  border: 1px solid var(--amarillo);
  border-radius: 10px;
  padding: 18px 22px;
  font-size: 0.9rem;
  color: #6b5500;
  margin-top: 30px;
}

/* FOOTER */
footer {
  background: var(--negro);
  color: #ccc;
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 36px;
  margin-bottom: 30px;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-grid h4 {
  color: var(--blanco);
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-grid li a:hover { color: var(--amarillo); }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo img { height: 44px; }
.footer-logo span { color: var(--blanco); font-weight: 700; }

.footer-bottom {
  text-align: center;
  font-size: 0.82rem;
  border-top: 1px solid #333;
  padding-top: 18px;
  color: #888;
}

.social-icons {
  display: flex;
  gap: 14px;
  margin-top: 10px;
}

.social-icons a {
  background: #2a2a2a;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.social-icons a:hover { background: var(--rojo); }

/* page hero (sub pages) */
.page-hero {
  background: linear-gradient(135deg, var(--azul), #0c2160);
  color: var(--blanco);
  padding: 55px 0;
  text-align: center;
}

.page-hero h1 { font-size: 2rem; margin-bottom: 10px; }
.page-hero p { color: #dce1f2; max-width: 650px; margin: 0 auto; }

/* mobile nav */
@media (max-width: 880px) {
  nav.main-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--blanco);
    flex-direction: column;
    padding: 20px;
    display: none;
    border-bottom: 4px solid var(--amarillo);
  }
  nav.main-nav.open { display: flex; }
  nav.main-nav ul {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }
  .menu-toggle { display: block; }
}