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

:root {
  --primary:        #02B1D3;
  --primary-dark:   #0294B0;
  --primary-light:  #E6F6FB;
  --primary-soft:   #CCEDF5;
  --navy:           #234051;
  --navy-light:     #2E5167;
  --navy-deep:      #1A2F3C;
  --accent:         #FCC24E;
  --text:           #1F2D38;
  --text-muted:     #5C6E7B;
  --white:          #ffffff;
  --gray-50:        #F6F4F4;
  --gray-100:       #EDEAEA;
  --gray-200:       #E5E0DF;
  --gray-300:       #CFC9C8;

  --radius:         14px;
  --radius-lg:      20px;
  --shadow-xs:      0 1px 2px rgba(13,42,56,.05);
  --shadow:         0 4px 22px -8px rgba(13,42,56,.12), 0 2px 6px -2px rgba(13,42,56,.05);
  --shadow-md:      0 18px 40px -16px rgba(13,42,56,.22), 0 4px 12px -4px rgba(13,42,56,.08);
  --shadow-glow:    0 12px 38px -10px rgba(29,163,207,.45);
  --max-w:          1140px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image: radial-gradient(circle at 1px 1px, rgba(35,64,81,.12) 1.2px, transparent 0);
  background-size: 24px 24px;
  background-attachment: fixed;
}

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

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

.section { padding: 104px 0; position: relative; }
section, footer { scroll-margin-top: 88px; }
#inicio { scroll-margin-top: 0; }

/* ─── Titulares ─────────────────────────────────── */
.title {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  font-weight: 800;
  line-height: 1.08;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: -.025em;
}
.title-accent {
  display: inline-block;
  position: relative;
}
.title-accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -10px;
  height: 3px;
  width: 48px;
  background: var(--primary);
  border-radius: 2px;
}
.centered .title-accent::after { left: 50%; transform: translateX(-50%); }

.subtitle {
  font-size: 1.06rem;
  color: var(--text-muted);
  line-height: 1.75;
  max-width: 640px;
  margin-top: 22px;
  text-align: justify;
}

.centered { text-align: center; }
.centered .subtitle { margin: 22px auto 0; text-align: center; }

/* ─── Botones ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), box-shadow .25s, background .2s;
  font-family: inherit;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 8px 24px -10px rgba(2,177,211,.7), inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -12px rgba(2,177,211,.65);
}

/* ─── Navbar ────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(13,42,56,.06);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.navbar-logo img { height: 35px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links li > a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 11px 18px;
  border-radius: 9px;
  transition: color .2s, background .2s;
  letter-spacing: -.005em;
}
.nav-links li > a:hover { color: var(--navy); background: var(--gray-100); }
.nav-links li > a.is-active { color: var(--navy); background: var(--gray-100); }
.nav-links .nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 12px 22px !important;
  border-radius: 9px;
  font-weight: 600 !important;
  margin-left: 14px;
  box-shadow: 0 6px 18px -8px rgba(29,163,207,.7);
}
.nav-links .nav-cta:hover {
  background: var(--primary-dark);
  color: var(--white) !important;
  transform: translateY(-1px);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: .3s;
}

/* ─── Hero ──────────────────────────────────────── */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 130px 0 160px;
  text-align: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 55%, #000 25%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 55%, #000 25%, transparent 85%);
  z-index: -3;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 50% 50%, rgba(2,177,211,.32) 0%, transparent 70%),
    radial-gradient(ellipse 35% 40% at 90% 90%, rgba(2,177,211,.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}
.hero-content { position: relative; z-index: 1; }
.hero-logo {
  width: clamp(208px, 34vw, 416px);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 20px 48px rgba(2,177,211,.55));
}
.hero-title {
  font-size: .72rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: 22px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.hero-title::before,
.hero-title::after {
  content: '';
  width: 22px;
  height: 1px;
  background: rgba(255,255,255,.2);
}
.hero-title span { color: inherit; font-weight: inherit; }

/* ─── Quiénes Somos ─────────────────────────────── */
.quienes {
  background: transparent;
  position: relative;
  overflow: hidden;
}
.quienes::before {
  content: '';
  position: absolute;
  top: -200px; left: -200px;
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(2,177,211,.22) 0%, transparent 65%);
  pointer-events: none;
}
.quienes::after {
  content: '';
  position: absolute;
  bottom: -220px; right: -180px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(252,194,78,.22) 0%, transparent 65%);
  pointer-events: none;
}
.quienes .container { position: relative; z-index: 1; }

/* ─── Pilares ───────────────────────────────────── */
.pilares {
  background: var(--gray-50);
  position: relative;
  overflow: hidden;
}
.pilares::before {
  content: '';
  position: absolute;
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(29,163,207,.08) 0%, transparent 70%);
  pointer-events: none;
}
.pilares-header { margin-bottom: 56px; }
.pilares-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pilar {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--gray-200);
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 44px 1fr;
  column-gap: 14px;
  row-gap: 14px;
  align-items: center;
  align-content: start;
}
.pilar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), rgba(29,163,207,0));
  opacity: 0;
  transition: opacity .3s;
}
.pilar:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.pilar:hover::before { opacity: 1; }
.pilar-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-soft));
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  box-shadow: inset 0 0 0 1px rgba(29,163,207,.15);
  transition: transform .3s;
}
.pilar:hover .pilar-icon { transform: scale(1.06) rotate(-3deg); }
.pilar h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.01em;
}
.pilar p {
  grid-column: 1 / -1;
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 0;
}

/* ─── Áreas ─────────────────────────────────────── */
.areas {
  background: transparent;
  position: relative;
  overflow: hidden;
}
.areas::before {
  content: '';
  position: absolute;
  top: 40px; right: -180px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(252,194,78,.22) 0%, transparent 65%);
  pointer-events: none;
}
.areas::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -160px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(2,177,211,.18) 0%, transparent 65%);
  pointer-events: none;
}
.areas .container { position: relative; z-index: 1; }
.areas-header { margin-bottom: 56px; }
.areas-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.area {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 30px 20px 28px;
  text-align: center;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), background .3s, border-color .3s, color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
  flex: 1 1 calc(20% - 12px);
  min-width: 180px;
  max-width: 240px;
}
.area::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, var(--primary), var(--primary-dark));
  opacity: 0;
  transition: opacity .3s;
  z-index: 0;
}
.area > * { position: relative; z-index: 1; }
.area:hover { transform: translateY(-6px); border-color: transparent; box-shadow: var(--shadow-glow); }
.area:hover::after { opacity: 1; }
.area:hover .area-num,
.area:hover .area-title,
.area:hover .area-desc { color: var(--white); }
.area-num {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: -.03em;
  color: var(--accent);
  font-feature-settings: "tnum";
  transition: color .3s;
}
.area-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: -.01em;
  transition: color .3s;
}
.area-desc { font-size: .78rem; color: var(--text-muted); line-height: 1.6; transition: color .3s; }

/* ─── Proyectos ─────────────────────────────────── */
.proyectos { background: var(--gray-50); position: relative; }
.proyectos-header { margin-bottom: 56px; }
.proyectos-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.proyecto {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
  display: flex;
  gap: 22px;
  align-items: flex-start;
  transition: transform .3s cubic-bezier(.2,.7,.3,1), box-shadow .3s, border-color .3s;
  position: relative;
  overflow: hidden;
}
.proyecto::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), transparent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .35s ease;
}
.proyecto:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.proyecto:hover::before { transform: scaleY(1); }
.proyecto-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(155deg, var(--navy-light), var(--navy));
  color: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 6px 14px -8px rgba(13,42,56,.5);
  position: relative;
}
.proyecto-num::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid rgba(29,163,207,.25);
}
.proyecto h3 { font-size: 1.02rem; font-weight: 700; color: var(--navy); margin-bottom: 8px; letter-spacing: -.01em; }
.proyecto p { font-size: .88rem; color: var(--text-muted); line-height: 1.7; text-align: justify; }

/* ─── Equipo ────────────────────────────────────── */
.equipo { background: transparent; position: relative; overflow: hidden; }
.equipo::before {
  content: '';
  position: absolute;
  top: 140px; left: -200px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(2,177,211,.20) 0%, transparent 65%);
  pointer-events: none;
}
.equipo::after {
  content: '';
  position: absolute;
  bottom: 100px; right: -180px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(252,194,78,.20) 0%, transparent 65%);
  pointer-events: none;
}
.equipo .container { position: relative; z-index: 1; }
.equipo-header { margin-bottom: 56px; }
.equipo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.miembro {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: transform .3s cubic-bezier(.2,.7,.3,1), border-color .3s, box-shadow .3s;
  position: relative;
}
.miembro::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, var(--primary), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
.miembro:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.miembro:hover::before { opacity: 1; }
.avatar {
  width: 76px;
  height: 76px;
  background: linear-gradient(155deg, var(--navy-light), var(--navy));
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.03em;
  position: relative;
  box-shadow: 0 10px 22px -10px rgba(13,42,56,.5);
}
.avatar::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1.5px solid var(--primary-soft);
  opacity: .55;
}
.miembro-name { font-size: 1.02rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; letter-spacing: -.01em; }
.miembro-role { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--primary); }

/* ─── Socios ────────────────────────────────────── */
.socios-inner {
  max-width: none;
  margin: 80px 0 0;
  padding: 52px 56px;
  background: linear-gradient(135deg, var(--gray-50), var(--white));
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.socios-inner .subtitle { max-width: none; }
.socios-inner::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--primary), transparent 70%);
}

/* ─── Donaciones ────────────────────────────────── */
.donaciones {
  background: var(--navy-deep);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.donaciones::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 50%, rgba(29,163,207,.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 85% 30%, rgba(29,163,207,.15) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}
.donaciones::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.04) 1px, transparent 0);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 75% at 50% 50%, #000 20%, transparent 75%);
  pointer-events: none;
  z-index: -1;
}
.donaciones .title { color: var(--white); }
.donaciones .title-accent::after { background: var(--primary); }
.donaciones-sub {
  font-size: 1.06rem;
  color: rgba(255,255,255,.7);
  max-width: 560px;
  margin: 28px auto 40px;
  line-height: 1.75;
}
.donaciones .btn-primary { font-size: 1rem; padding: 16px 40px; }

/* ─── Contacto / Footer ─────────────────────────── */
.footer {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 96px 0 48px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(29,163,207,.5), transparent);
}
.footer .title { color: var(--white); }
.footer .title-accent::after { background: var(--primary); }
.footer-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  margin: 28px auto 48px;
  max-width: 540px;
}
.contact-items { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 36px;
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  min-width: 260px;
  transition: background .25s, border-color .25s, transform .25s;
}
.contact-item:hover { background: rgba(29,163,207,.08); border-color: rgba(29,163,207,.3); transform: translateY(-2px); }
.contact-lbl { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--primary); }
.contact-val { font-size: .95rem; color: rgba(255,255,255,.88); font-weight: 500; }
.contact-val a { transition: color .2s; }
.contact-val a:hover { color: var(--primary); }
.footer-hr { height: 1px; background: rgba(255,255,255,.08); margin: 56px 0 24px; }
.footer-copy { font-size: .78rem; color: rgba(255,255,255,.35); }

/* ─── Accesibilidad ─────────────────────────────── */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 4px; }
.btn:focus-visible { outline-offset: 4px; }

/* ─── Reveal on scroll ──────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.pilares-grid > .reveal,
.areas-grid   > .reveal,
.proyectos-grid > .reveal,
.equipo-grid  > .reveal,
.contact-items > .reveal {
  transition-delay: calc(var(--i, 0) * 70ms);
}

/* ─── Responsive ────────────────────────────────── */
@media (max-width: 680px) {
  body { background-attachment: scroll; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}
@media (max-width: 960px) {
  .pilares-grid { grid-template-columns: repeat(2, 1fr); }
  .area         { flex-basis: calc(33.333% - 10px); }
  .section      { padding: 80px 0; }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 88px;
    left: 0; right: 0;
    background: var(--white);
    padding: 8px 12px 14px;
    border-bottom: 1px solid var(--gray-200);
    gap: 2px;
    box-shadow: var(--shadow-md);
    z-index: 100;
  }
  .nav-links.open li {
    display: block;
    width: 100%;
  }
  .nav-links.open li > a {
    display: block;
    padding: 13px 16px;
    font-size: .95rem;
    border-radius: 8px;
    width: 100%;
  }
  .nav-links.open .nav-cta {
    display: block;
    margin-left: 0 !important;
    margin-top: 6px;
    text-align: center;
    padding: 13px 16px !important;
  }
  .hamburger      { display: flex; margin-left: auto; }
  .pilares-grid   { grid-template-columns: 1fr; }
  .area           { flex-basis: 100%; max-width: none; min-width: 0; }
  .proyectos-grid { grid-template-columns: 1fr; }
  .equipo-grid    { grid-template-columns: 1fr; }
  .section        { padding: 64px 0; }
  .socios-inner   { padding: 28px 24px; margin-top: 48px; }
  .contact-item   { min-width: 0; width: 100%; }
  .hero           { padding: 72px 0 88px; }
  .hero-logo      { width: min(280px, 82vw); height: auto; }
  .title          { font-size: 1.7rem; }
}