/* ============================================================
   INSTITUTO PERSONA Y FAMILIA — estilos.css
   ============================================================ */

/* ---- DESIGN TOKENS ---- */
:root {
  --accent:       #C15726;
  --accent-dark:  #A3481E;
  --accent-light: #F6E8DC;
  --bg:           #FAFAF9;
  --bg-alt:       #F4F0EB;
  --surface:      #FFFFFF;
  --border:       #E5E0D9;
  --text:         #1C1917;
  --text-mid:     #6B6360;
  --text-muted:   #9E9693;
  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.05), 0 2px 8px rgba(0,0,0,0.05);
  --shadow:       0 4px 16px rgba(0,0,0,0.08), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.11), 0 2px 8px rgba(0,0,0,0.04);
  --transition:   220ms cubic-bezier(0.4, 0, 0.2, 1);
  --max-width:    1120px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
ul { list-style: none; }

/* ---- LAYOUT ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.09); }

.header .container {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 16px;
}

.logo { height: 52px; width: auto; object-fit: contain; flex-shrink: 0; }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav ul { display: flex; align-items: center; gap: 2px; }
.nav a {
  display: block;
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition), background var(--transition);
}
.nav a:hover { color: var(--accent); background: var(--accent-light); }

.btn-nav-cta {
  display: inline-block;
  margin-left: 12px;
  padding: 9px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-nav-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(193,87,38,0.28);
}

/* ---- Hamburger ---- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background-image: url("../img/Fam.jpeg");
  background-size: cover;
  background-position: center;
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(28,17,12,0.70) 0%, rgba(60,28,12,0.56) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 96px 32px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.022em;
  margin-bottom: 16px;
}
.hero p { font-size: 1.1rem; color: rgba(255,255,255,0.88); margin-bottom: 6px; line-height: 1.65; }
.hero .lema { font-style: italic; color: rgba(255,255,255,0.72); font-size: 1rem; margin-top: 4px; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.975rem;
  font-weight: 600;
  margin-top: 24px;
  box-shadow: 0 2px 8px rgba(193,87,38,0.22);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover, .btn:focus-visible {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(193,87,38,0.32);
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 88px 0; }
.bg-light { background: var(--bg-alt); }

/* Section title — centered with accent underline */
.section > .container > h2 {
  text-align: center;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.022em;
  line-height: 1.2;
  position: relative;
  padding-bottom: 18px;
  margin-bottom: 24px;
}
.section > .container > h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* Descriptive paragraph directly after section h2 */
.section > .container > p {
  text-align: center;
  color: var(--text-mid);
  max-width: 580px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
  line-height: 1.7;
}

h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }

/* ============================================================
   QUIÉNES SOMOS
   ============================================================ */
.quienes-wrapper {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 48px;
  margin-top: 16px;
}
.quienes-foto { display: flex; flex-direction: column; gap: 18px; }
.foto-pareja {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3/4;
  object-fit: cover;
}
.quienes-foto > p {
  color: var(--text-mid);
  font-size: 0.975rem;
  line-height: 1.7;
  text-align: left;
}

.curriculum-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-content: start;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: rgba(193,87,38,0.28); }

.card.persona h3 {
  color: var(--accent);
  font-size: 0.975rem;
  font-weight: 700;
  text-align: center;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--accent-light);
}
.card ul { padding: 0; }
.card ul li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.5;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.65;
}

/* Misión / Visión */
.mision-vision {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.mision-vision .card { text-align: left; }
.mision-vision .card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.mision-vision .card p { font-size: 0.95rem; color: var(--text-mid); line-height: 1.7; }

/* ============================================================
   QUÉ HACEMOS
   ============================================================ */
.grid-actividades {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.actividad {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.actividad:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); border-color: rgba(193,87,38,0.28); }

.act-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.3rem;
  color: var(--accent);
  transition: background var(--transition), color var(--transition);
}
.actividad:hover .act-icon { background: var(--accent); color: #fff; }
.actividad h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.actividad p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }

/* ============================================================
   CURSOS
   ============================================================ */
.grid-cursos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
}
.curso-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.curso-card::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, #E8845A 100%);
  flex-shrink: 0;
}
.curso-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }

.curso-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin: 28px 28px 10px;
}
.curso-card > p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.65;
  flex: 1;
  margin: 0 28px 4px;
}
.curso-card > .btn { margin: 20px 28px 28px; align-self: flex-start; margin-top: 20px; }

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto {
  background: linear-gradient(140deg, #3B1C0D 0%, #7A3A1A 55%, #C15726 100%);
  padding: 88px 0;
  text-align: center;
  color: #fff;
}
.contacto h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.022em;
  color: #fff;
  margin-bottom: 16px;
}
.contacto > .container > p {
  color: rgba(255,255,255,0.82);
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.7;
  text-align: center;
}
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-whatsapp:hover {
  background: #1ebd5a;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.32);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #1C1917;
  color: rgba(255,255,255,0.8);
  padding: 40px 0;
}
.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-logo { height: 40px; object-fit: contain; opacity: 0.88; }
.footer p { font-size: 0.875rem; color: rgba(255,255,255,0.5); }
.footer-links { display: flex; gap: 8px; align-items: center; }
.footer-links a {
  color: rgba(255,255,255,0.55);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1rem;
  transition: color var(--transition), background var(--transition);
}
.footer-links a:hover { color: #fff; background: rgba(255,255,255,0.1); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .grid-actividades { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .quienes-wrapper { grid-template-columns: 1fr; }
  .quienes-foto { max-width: 360px; margin: 0 auto; }
  .foto-pareja { aspect-ratio: 4/3; }
  .curriculum-cards { grid-template-columns: 1fr 1fr; }
  .mision-vision { grid-template-columns: 1fr; }
  .grid-cursos { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }

  /* Mobile nav */
  .nav-toggle { display: flex; }
  .header .container { flex-wrap: wrap; height: auto; min-height: 64px; padding-top: 8px; padding-bottom: 8px; }
  .logo { height: 44px; }
  .nav {
    flex: 0 0 100%;
    order: 3;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.32s ease;
  }
  .header.nav-open .nav {
    max-height: 480px;
    border-top: 1px solid var(--border);
    padding-bottom: 16px;
  }
  .nav ul { flex-direction: column; align-items: stretch; gap: 2px; padding: 8px 0 0; }
  .nav a { padding: 10px 4px; font-size: 0.975rem; }
  .btn-nav-cta { margin-left: 0; display: block; text-align: center; margin-top: 12px; }

  .curriculum-cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-content { padding: 64px 20px; }
  .hero h1 { font-size: clamp(1.7rem, 6.5vw, 2.2rem); }
  .grid-actividades { grid-template-columns: 1fr; }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.text-center { text-align: center; }