/* ═══════════════════════════════════════════
   TOKENS & RESET
═══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --blue-900: #061B44;
  --blue-800: #0A2A5E;
  --blue-700: #133E80;
  --blue-600: #1254A4;
  --blue-400: #1E7BC4;
  --blue-100: #D6E9F8;
  --blue-50:  #EBF3FD;
  --gold-700: #8A6A10;
  --gold-600: #B8952A;
  --gold-500: #C9A227;
  --gold-400: #D4AC40;
  --gold-300: #E8C547;
  --gold-100: #FAF0CB;
  --gold-50:  #FDFAEE;
  --white: #FFFFFF;
  --gray-100: #F4F8FE;
  --gray-200: #E2E8F0;
  --gray-500: #718096;
  --gray-700: #2D3748;
  --gray-900: #1A202C;
  --font-display: Arial, serif;
  --font-body:    Arial, serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --shadow-card: 0 4px 24px rgba(10, 42, 94, 0.10);
  --shadow-btn:  0 6px 24px rgba(184, 149, 42, 0.38);
}

html { 
    scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--gray-700);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a   {
    text-decoration: none;
}

/* ═══════════════════════════════════════════
   UTILIDADES
═══════════════════════════════════════════ */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-600);
  margin-bottom: 0.6rem;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.22;
  color: var(--blue-800);
  margin-bottom: 0.75rem;
}

.gold-rule {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  border-radius: 2px;
  margin-bottom: 1.8rem;
}

/* ═══════════════════════════════════════════
   BOTONES
═══════════════════════════════════════════ */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.9rem 2.6rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.btn:active { 
    transform: translateY(0);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-300));
  color: var(--blue-800);
  box-shadow: var(--shadow-btn);
}

.btn-gold:hover {
    box-shadow: 0 10px 32px rgba(184,149,42,0.50);
}

.btn-blue {
  background: var(--blue-800);
  color: var(--gold-300);
}

.btn-blue:hover {
    background: var(--blue-700);
    box-shadow: 0 8px 24px rgba(10,42,94,0.30);
}

/* ═══════════════════════════════════════════
   1. BANNER
═══════════════════════════════════════════ */

.banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 2rem;
  background: var(--blue-900);
  overflow: hidden;
}

.banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 60% 40%, rgba(30,123,196,0.55) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(18,84,164,0.40) 0%, transparent 60%);
  pointer-events: none;
}

.banner-geo {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.banner-geo svg {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.banner-content { 
    position: relative; 
    z-index: 2; 
    max-width: 720px; 
}

.banner-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-400);
  margin-bottom: 1.2rem;
}

.banner-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--white);
  letter-spacing: 0.06em;
  margin-bottom: 2rem;
}

.banner-title span {
  display: block;
  background: linear-gradient(90deg, var(--gold-300), var(--gold-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-divider {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
  margin: 0 auto 2rem;
}

.banner-text {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.82);
  line-height: 1.85;
  margin-bottom: 2.8rem;
}

.orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.orb-1 {
  width: 340px; height: 340px;
  top: -80px; right: -80px;
  border: 1px solid rgba(184,149,42,0.15);
}

.orb-2 {
  width: 200px; height: 200px;
  bottom: -60px; left: -60px;
  border: 1px solid rgba(184,149,42,0.12);
}

.orb-3 {
  width: 80px; height: 80px;
  top: 18%; left: 8%;
  border: 1px solid rgba(184,149,42,0.18);
}

.orb-4 {
  width: 48px; height: 48px;
  bottom: 20%; right: 12%;
  border: 1px solid rgba(184,149,42,0.20);
}

/* ═══════════════════════════════════════════
   2. ¿POR QUÉ DONAR?
═══════════════════════════════════════════ */

.why-section {
  background: var(--gray-100);
  padding: 6rem 2rem;
}

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

@media (max-width: 700px) {
  .why-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

.why-text {
  font-size: 1.06rem;
  color: var(--gray-700);
  line-height: 1.85;
}

.why-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.why-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border-left: 3px solid var(--gold-500);
  box-shadow: var(--shadow-card);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--blue-800);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.why-item:hover {
  transform: translateX(4px);
  box-shadow: 0 6px 28px rgba(10,42,94,0.13);
}

.why-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: var(--gold-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-icon svg { width: 16px; height: 16px; stroke: var(--gold-600); }

/* ═══════════════════════════════════════════
   3. ¿CÓMO DONAR?
   ═══════════════════════════════════════════ */

   .how-section {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  padding: 6rem 2rem;
}

.how-section .section-heading { 
    color: var(--white); 
}

.how-section .section-tag     { 
    color: var(--gold-300); 
}

.how-inner { 
    text-align: center; 
}

.bank-card {
  max-width: 580px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.bank-card-header {
  background: linear-gradient(90deg, var(--gold-600), var(--gold-300));
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.bank-card-header-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

}
.bank-card-header-icon svg { 
    width: 18px; 
    height: 18px; 
    stroke: var(--blue-900); 
}

.bank-card-header h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue-900);
  letter-spacing: 0.04em;
}

.bank-card-body { 
    padding: 2rem; 
}

.bank-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.95rem;
}

.bank-row:last-of-type { 
    border-bottom: none; 
}

.bank-label { 
    color: var(--gray-500); 
    white-space: nowrap; 
}

.bank-value {
  color: var(--blue-800);
  font-weight: 700;
  text-align: right;
}

.bank-value.account {
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--blue-700);
}

.bank-note {
  margin-top: 1.4rem;
  padding: 1.1rem 1.3rem;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--gold-500);
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.75;
  text-align: left;
}

.bank-note strong { 
    color: var(--blue-800); 
}

.bank-note a { 
    color: var(--gold-600); 
    font-weight: 700; 
}

.bank-note a:hover { 
    text-decoration: underline; 
}

/* ═══════════════════════════════════════════
   4. ¿EN QUÉ SE USAN?
═══════════════════════════════════════════ */

.uses-section { 
    background: var(--white); 
    padding: 6rem 2rem; 
}

.uses-intro {
  max-width: 640px;
  font-size: 1.02rem;
  color: var(--gray-700);
  line-height: 1.85;
  margin-bottom: 3rem;
}

.uses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.use-card {
  background: var(--blue-50);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.5rem;
  border-top: 3px solid var(--gold-500);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.use-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(10,42,94,0.12);
}

.use-card-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--gold-100), var(--gold-50));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.use-card-icon svg { 
    width: 22px;
    height: 22px;
    stroke: var(--gold-600); 
}

.use-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-800);
  margin-bottom: 0.5rem;
}

.use-card p {
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.7;
}

.uses-closing {
  text-align: center;
  font-style: italic;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--gold-600);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ═══════════════════════════════════════════
   5. TRANSPARENCIA
═══════════════════════════════════════════ */

.transparency-section {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue-600) 100%);
  padding: 5rem 2rem;
  position: relative;
  text-align: center;
}

.transparency-section::before,
.transparency-section::after {
  content: '';
  display: block;
  position: absolute;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(184,149,42,0.55), transparent);
}

.transparency-section::before { 
    top: 0; 
}

.transparency-section::after { 
    bottom: 0; 
}

.transparency-section .section-heading { 
    color: var(--white); 
}

.transparency-section .section-tag { 
    color: var(--gold-300); 
}

.transparency-section .gold-rule { 
    margin: 0 auto 2rem; 
}

.transparency-section p {
  font-size: 1.06rem;
  color: rgba(255,255,255,0.85);
  max-width: 660px;
  margin: 0 auto;
  line-height: 1.85;
}

/* ═══════════════════════════════════════════
   6. LLAMADO FINAL (CTA)
═══════════════════════════════════════════ */

.cta-section {
  background: linear-gradient(135deg, var(--gold-500) 0%, var(--gold-300) 55%, var(--gold-400) 100%);
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 34px, rgba(10,42,94,0.04) 34px, rgba(10,42,94,0.04) 35px),
    repeating-linear-gradient(90deg, transparent, transparent 34px, rgba(10,42,94,0.04) 34px, rgba(10,42,94,0.04) 35px);
  pointer-events: none;
}

.cta-content { 
    position: relative;
    z-index: 1; 
}

.cta-section .section-heading {
  color: var(--blue-900);
  margin-bottom: 1.2rem;
}

.cta-section p {
  font-size: 1.06rem;
  color: var(--blue-700);
  max-width: 580px;
  margin: 0 auto 2.6rem;
  line-height: 1.85;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL (lightweight, pure CSS)
═══════════════════════════════════════════ */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal { 
    opacity: 0; 
}

.reveal.visible { 
    animation: fadeUp 0.65s ease forwards; 
}

.d1 { 
    animation-delay: 0.05s; 
}
.d2 { 
    animation-delay: 0.15s; 
}
.d3 { 
    animation-delay: 0.25s; 
}
.d4 { 
    animation-delay: 0.35s; 
}
.d5 { 
    animation-delay: 0.45s; 
}

/* ═══════════════════════════════════════════
   RESPONSIVE TWEAKS
═══════════════════════════════════════════ */

@media (max-width: 480px) {
  .bank-row { flex-direction: column; gap: 0.2rem; }
  .bank-value { text-align: left; }
  .btn { width: 100%; text-align: center; }
}