/* ============================================================
   CLÍNICA BIJAO IPS LTDA — styles.css
   Paleta: Verde (#1A7A4A / #2ECC71) + Azul (#1A5276 / #2980B9)
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green-dark:   #1A7A4A;
  --green-main:   #1F8E58;
  --green-light:  #27AE60;
  --green-pale:   #E8F8F0;

  --blue-dark:    #1A5276;
  --blue-main:    #1F618D;
  --blue-light:   #2980B9;
  --blue-pale:    #EBF5FB;

  --teal:         #148F77;
  --teal-pale:    #E8F5F3;
  --purple:       #7D3C98;
  --purple-pale:  #F5EEF8;

  --neutral-900:  #0D1117;
  --neutral-800:  #1C2333;
  --neutral-700:  #2D3748;
  --neutral-600:  #4A5568;
  --neutral-500:  #718096;
  --neutral-400:  #A0AEC0;
  --neutral-300:  #CBD5E0;
  --neutral-200:  #E2E8F0;
  --neutral-100:  #F7F9FC;
  --white:        #FFFFFF;

  --shadow-xs:    0 1px 3px rgba(0,0,0,.08);
  --shadow-sm:    0 4px 12px rgba(0,0,0,.10);
  --shadow-md:    0 8px 24px rgba(0,0,0,.12);
  --shadow-lg:    0 16px 48px rgba(0,0,0,.14);

  --radius-sm:    8px;
  --radius-md:    14px;
  --radius-lg:    22px;
  --radius-xl:    32px;

  --nav-h:        80px;
  --transition:   0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--neutral-700);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--neutral-100);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green-dark);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--neutral-800);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--neutral-500);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(31,142,88,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(31,142,88,.45);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.6);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
}

.btn-sm { padding: 10px 22px; font-size: .88rem; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-sm);
  height: 68px;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,.15));
}
.navbar.scrolled .logo-img { height: 44px; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-name {
  font-size: 1rem;
  font-weight: 800;
  color: var(--green-dark);
  white-space: nowrap;
}
.logo-sub {
  font-size: .72rem;
  font-weight: 500;
  color: var(--blue-main);
  letter-spacing: .06em;
}
.navbar.scrolled .logo-name { color: var(--green-dark); }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  font-size: .92rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  border-radius: 100px;
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  background: rgba(255,255,255,.18);
  color: var(--white);
}
.navbar.scrolled .nav-link { color: var(--neutral-700); }
.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
  background: var(--green-pale);
  color: var(--green-dark);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.bar {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar.scrolled .bar { background: var(--neutral-700); }

.hamburger.open .bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open .bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  height: clamp(500px, 70vh, 660px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #0f2338;
  /* Empuja el área de contenido debajo del navbar fijo */
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    url('clinic_hero_banner.png') center/cover no-repeat,
    linear-gradient(160deg, var(--blue-dark) 0%, var(--green-dark) 60%, #0D5C3A 100%);
  background-size: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(10, 25, 45, 0.25) 0%,
    rgba(10, 25, 45, 0.55) 55%,
    rgba(10, 25, 45, 0.78) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 32px 32px 48px;
  max-width: 760px;
  width: 100%;
  animation: fadeUp .9s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .08em;
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 22px;
  text-shadow: 0 2px 24px rgba(0,0,0,.55), 0 1px 8px rgba(0,0,0,.40);
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(90deg, #A8E6CF, #7DD8C6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-phrase {
  font-size: clamp(1rem, 2vw, 1.22rem);
  color: rgba(255,255,255,.85);
  font-style: italic;
  font-weight: 300;
  margin-bottom: 44px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.hero-scroll {
  display: none; /* hero is not 100vh — scroll indicator doesn't fit */
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 12px;
  position: relative;
}
.scroll-indicator::after {
  content: '';
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,.7);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollAnim 1.8s ease-in-out infinite;
}

@keyframes scrollAnim {
  0%   { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--white);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

.stats-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 0;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 28px 20px;
  flex: 1;
  min-width: 180px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  color: var(--green-main);
  flex-shrink: 0;
}

.stat-item div {
  display: flex;
  flex-direction: column;
}
.stat-item strong {
  font-size: .98rem;
  font-weight: 700;
  color: var(--neutral-800);
}
.stat-item span {
  font-size: .82rem;
  color: var(--neutral-500);
}

.stat-divider {
  width: 1px;
  height: 56px;
  background: var(--neutral-200);
  flex-shrink: 0;
}

/* ============================================================
   NOSOTROS
   ============================================================ */
.about-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}

.about-text-block h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--neutral-800);
  margin-bottom: 18px;
}

.about-text-block p {
  font-size: .98rem;
  color: var(--neutral-600);
  margin-bottom: 16px;
}

.about-img-card {
  background: linear-gradient(135deg, var(--green-pale), var(--blue-pale));
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  min-width: 200px;
  box-shadow: var(--shadow-sm);
}

.about-img-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--green-main), var(--blue-main));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--white);
}

.about-img-card p {
  font-size: .88rem;
  color: var(--neutral-600);
  margin-bottom: 6px;
}

/* Cards grid for Misión/Visión/etc */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.info-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.info-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.info-card-icon.teal   { background: var(--teal-pale);   color: var(--teal); }
.info-card-icon.blue   { background: var(--blue-pale);   color: var(--blue-main); }
.info-card-icon.green  { background: var(--green-pale);  color: var(--green-dark); }
.info-card-icon.purple { background: var(--purple-pale); color: var(--purple); }

.info-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 14px;
}

.info-card p {
  font-size: .93rem;
  color: var(--neutral-600);
  line-height: 1.7;
}

.obj-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.obj-list li {
  font-size: .91rem;
  color: var(--neutral-600);
  padding-left: 20px;
  position: relative;
}
.obj-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--green-main);
  border-radius: 50%;
}

.sispi-card { grid-column: span 2; }

.badge-sispi {
  background: linear-gradient(135deg, var(--purple), #9B59B6);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  vertical-align: middle;
  margin-left: 8px;
}

.sispi-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--neutral-600);
}
.pillar-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), #9B59B6);
  flex-shrink: 0;
}

/* ============================================================
   SERVICIOS — Sección principal
   ============================================================ */

.servicios-section {
  padding: 96px 0 80px;
  background: #f4fbf8;
  border-top: 1px solid #d1ece3;
  border-bottom: 1px solid #d1ece3;
}

.servicios-container { position: relative; }

/* Encabezado de la sección */
.section-tag-w {
  display: inline-block;
  background: #d4f1e8;
  border: 1.5px solid #6fcfae;
  color: #0e7c55;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 6px 20px;
  border-radius: 100px;
  margin-bottom: 14px;
}

.section-title-w {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: #1a3a2e;
  margin-bottom: 14px;
}

.section-subtitle-w {
  font-size: 1.05rem;
  color: #4a7060;
  max-width: 560px;
  margin: 0 auto;
}

/* Encabezado de nivel (legacy — se mantiene por compatibilidad) */
.nivel-header {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 22px;
  border-radius: 100px;
  margin-bottom: 24px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.nivel-header.nivel-green {
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  color: #15803d;
}

.nivel-header.nivel-blue {
  background: #eff6ff;
  border: 1.5px solid #93c5fd;
  color: #1d4ed8;
  margin-top: 56px;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.contact-icon.teal   { background: var(--teal-pale);   color: var(--teal); }
.contact-icon.blue   { background: var(--blue-pale);   color: var(--blue-main); }
.contact-icon.green  { background: var(--green-pale);  color: var(--green-dark); }
.contact-icon.purple { background: var(--purple-pale); color: var(--purple); }

.contact-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 12px;
}
.contact-card p {
  font-size: .92rem;
  color: var(--neutral-600);
  line-height: 1.7;
}
.contact-card a {
  color: var(--blue-main);
  font-weight: 500;
  transition: color var(--transition);
}
.contact-card a:hover { color: var(--green-main); }

.hours-table {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hours-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hours-day {
  font-weight: 600;
  font-size: .88rem;
  color: var(--neutral-700);
}
.hours-time {
  font-size: .92rem;
  color: var(--green-main);
  font-weight: 600;
}
.hours-divider {
  height: 1px;
  background: var(--neutral-200);
  margin: 4px 0;
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
}

.map-placeholder {
  background: linear-gradient(135deg, var(--green-pale), var(--blue-pale));
  padding: 80px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.map-placeholder svg { color: var(--green-main); margin-bottom: 8px; }
.map-placeholder h4 { font-size: 1.2rem; font-weight: 700; color: var(--neutral-800); }
.map-placeholder p  { font-size: .95rem; color: var(--neutral-600); }
.map-placeholder .btn-outline {
  color: var(--neutral-700);
  border-color: var(--neutral-400);
  margin-top: 8px;
}
.map-placeholder .btn-outline:hover {
  background: var(--white);
  border-color: var(--neutral-500);
}

/* ============================================================
   PUBLICACIONES
   ============================================================ */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  margin-bottom: 32px;
}

.pub-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.pub-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
}
#pub-portafolio::before   { background: linear-gradient(90deg, var(--teal), var(--green-light)); }
#pub-manual::before       { background: linear-gradient(90deg, var(--blue-main), var(--blue-light)); }
#pub-institucional::before{ background: linear-gradient(90deg, var(--green-main), var(--teal)); }

.pub-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.pub-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  flex-shrink: 0;
}
.pub-icon-wrap.teal   { background: var(--teal-pale);   color: var(--teal); }
.pub-icon-wrap.blue   { background: var(--blue-pale);   color: var(--blue-main); }
.pub-icon-wrap.green  { background: var(--green-pale);  color: var(--green-dark); }
.pub-icon-wrap.purple { background: var(--purple-pale); color: var(--purple); }

.pub-content { flex: 1; margin-bottom: 24px; }

.pub-tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--green-dark);
  background: var(--green-pale);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.pub-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--neutral-800);
  margin-bottom: 12px;
  line-height: 1.3;
}

.pub-desc {
  font-size: .92rem;
  color: var(--neutral-500);
  line-height: 1.65;
  margin-bottom: 16px;
}

.pub-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}
.pub-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--neutral-400);
  font-weight: 500;
}

.pub-btn {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
}

.pub-note {
  background: var(--blue-pale);
  border: 1px solid rgba(41,128,185,.2);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--blue-dark);
  font-size: .88rem;
}
.pub-note svg { flex-shrink: 0; margin-top: 1px; }
.pub-note code {
  background: rgba(41,128,185,.12);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: .85em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--neutral-800); color: var(--neutral-300); }

.footer-top { padding: 72px 0 56px; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 56px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.1) drop-shadow(0 2px 4px rgba(0,0,0,.3));
}

.footer-logo-name {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--white);
}
.footer-logo-sub {
  display: block;
  font-size: .72rem;
  font-weight: 500;
  color: var(--green-light);
  letter-spacing: .06em;
}

.footer-phrase {
  font-style: italic;
  font-size: .92rem;
  color: var(--neutral-400);
  margin-bottom: 12px;
  line-height: 1.6;
}

.footer-nit {
  font-size: .85rem;
  color: var(--neutral-500);
}

.footer-links h4,
.footer-contact h4 {
  font-size: .88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--white);
  margin-bottom: 24px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links ul li a {
  font-size: .92rem;
  color: var(--neutral-400);
  transition: color var(--transition);
}
.footer-links ul li a:hover { color: var(--green-light); }

.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  color: var(--neutral-400);
  line-height: 1.5;
}
.footer-contact ul li svg { flex-shrink: 0; margin-top: 2px; color: var(--green-light); }

.footer-bottom {
  border-top: 1px solid var(--neutral-700);
  padding: 22px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: .82rem;
  color: var(--neutral-500);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-main), var(--blue-main));
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr; }
  .sispi-card { grid-column: span 1; }

  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}

@media (max-width: 768px) {
  :root { --nav-h: 66px; }

  /* Nav mobile */
  .hamburger { display: flex; }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: linear-gradient(160deg, var(--blue-dark), var(--green-dark));
    padding: 24px;
    transform: translateY(-110%);
    opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link { display: block; padding: 14px 18px; font-size: 1rem; }
  .navbar.scrolled .nav-menu { background: var(--white); }
  .navbar.scrolled .nav-link { color: var(--neutral-700); }

  /* Hero */
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 240px; justify-content: center; }

  /* Stats */
  .stats-container { flex-direction: column; gap: 0; }
  .stat-divider { width: 80%; height: 1px; margin: 2px auto; }

  /* Nosotros */
  .about-intro { grid-template-columns: 1fr; }
  .about-image-block { display: none; }

  /* Sections */
  .section   { padding: 72px 0; }
  .cards-grid { gap: 20px; }
  .sispi-pillars { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .section-title { font-size: 1.8rem; }
  .container { padding: 0 16px; }
  .publications-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .svc-modern-grid { grid-template-columns: repeat(2, 1fr); }
  .pub-card { padding: 28px 22px; }
  .info-card { padding: 28px 24px; }
  .logo-text { display: none; }
  .servicios-section { padding: 72px 0; }
  .nivel-header.nivel-blue { margin-top: 40px; }
}

/* ============================================================
   HERO CAROUSEL
   ============================================================ */
.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity .9s ease;
  will-change: opacity;
}

.hero-slide.active { opacity: 1; }

/* Imagen del slide: cubre sin deformar */
.hero-slide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.carousel-btn:hover { background: rgba(255,255,255,.32); }

.carousel-prev { left: 20px; }
.carousel-next { right: 20px; }

.carousel-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .25s, transform .25s, width .25s;
}
.carousel-dot.active {
  width: 18px;
  border-radius: 3px;
  background: rgba(255,255,255,.55);
}

/* ============================================================
   CONTACTO — SEDES
   ============================================================ */
.contact-sede {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sede-direccion {
  font-size: .9rem;
  color: var(--neutral-600);
  line-height: 1.65;
  margin-bottom: .85rem;
  text-align: center;
}

.sede-telefonos {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem;
  margin-top: auto;
  padding-top: .5rem;
  width: 100%;
  border-top: 1px solid var(--neutral-200);
}

.sede-tel {
  font-size: .9rem;
  color: var(--blue-main);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition);
}
.sede-tel:hover { color: var(--green-main); text-decoration: underline; }

.sede-tel-principal {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--green-dark);
}
.sede-tel-principal:hover { color: var(--blue-dark); }

/* ============================================================
   SEDES — Cards visuales con banner de color
   ============================================================ */
.sedes-section { background: var(--neutral-100); }

.sedes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.sede-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.sede-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }

.sede-card-header {
  padding: 28px 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sede-card-header.color-teal   { background: linear-gradient(135deg, #148F77, #0d6b5a); }
.sede-card-header.color-blue   { background: linear-gradient(135deg, #1F618D, #1A5276); }
.sede-card-header.color-green  { background: linear-gradient(135deg, #1F8E58, #1A7A4A); }
.sede-card-header.color-purple { background: linear-gradient(135deg, #7D3C98, #5c2d7a); }

.sede-header-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,.18);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  margin-bottom: 6px;
}
.sede-nombre { font-size: 1.1rem; font-weight: 700; color: var(--white); line-height: 1.3; }
.sede-ciudad { font-size: .8rem; color: rgba(255,255,255,.75); font-weight: 500; }

.sede-card-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; }

.sede-info-row {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .9rem; color: var(--neutral-600); line-height: 1.5;
}
.sede-info-row svg { flex-shrink: 0; color: var(--green-main); margin-top: 2px; }

.sede-phones {
  display: flex; flex-direction: column; gap: 8px;
  padding-top: 12px; border-top: 1px solid var(--neutral-200);
}

.sede-phone-link {
  display: flex; align-items: center; gap: 8px;
  font-size: .88rem; color: var(--blue-main); font-weight: 500;
  transition: color var(--transition);
}
.sede-phone-link:hover { color: var(--green-main); }
.sede-phone-link.principal { font-size: .95rem; font-weight: 700; color: var(--green-dark); }
.sede-phone-link svg { flex-shrink: 0; }

.sede-maps-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px;
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  color: var(--white); border-radius: 100px;
  font-size: .84rem; font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
  margin-top: 4px; align-self: flex-start;
}
.sede-maps-btn:hover { opacity: .9; transform: translateY(-2px); }

/* ============================================================
   SERVICIOS — Cards (moderno, claro y profesional)
   ============================================================ */
.svc-banner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  grid-auto-rows: 1fr;
  gap: 22px;
  margin-bottom: 16px;
  align-items: stretch;
}

/* Card base — altura uniforme en todas las tarjetas */
.svc-banner-card {
  background: #ffffff;
  border: 1px solid #e0f0e8;
  border-radius: 20px;
  overflow: hidden;
  cursor: default;
  transition: transform .28s ease, box-shadow .28s ease;
  box-shadow: 0 2px 10px rgba(10, 80, 50, 0.06);
  display: flex;
  flex-direction: column;
  min-height: 340px;
}
.svc-banner-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(10, 80, 50, 0.13);
}

/* Barra de acento superior — colores vivos y claros */
.svc-banner-card.color-teal   { border-top: 4px solid #2dd4bf; }
.svc-banner-card.color-blue   { border-top: 4px solid #60a5fa; }
.svc-banner-card.color-green  { border-top: 4px solid #34d399; }
.svc-banner-card.color-purple { border-top: 4px solid #c084fc; }

/* Área de imagen — siempre 160px, con o sin imagen */
.svc-card-img {
  width: 100%;
  height: 160px;
  flex-shrink: 0;
  overflow: hidden;
  display: block;
}
.svc-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* Placeholder cuando no hay imagen — degradado suave según color */
.svc-card-img--empty { display: flex; align-items: center; justify-content: center; }
.color-teal  .svc-card-img--empty { background: linear-gradient(150deg, #d4f1e8 0%, #a7f3d0 100%); }
.color-blue  .svc-card-img--empty { background: linear-gradient(150deg, #dbeafe 0%, #bfdbfe 100%); }
.color-green .svc-card-img--empty { background: linear-gradient(150deg, #d1fae5 0%, #a7f3d0 100%); }
.color-purple .svc-card-img--empty { background: linear-gradient(150deg, #ede9fe 0%, #ddd6fe 100%); }

/* Contenido de la card — ocupa el resto disponible */
.svc-banner-content {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

/* Icono con fondo pastel claro */
.svc-banner-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.svc-banner-card.color-teal   .svc-banner-icon { background: #ccfbf1; color: #0d9488; }
.svc-banner-card.color-blue   .svc-banner-icon { background: #dbeafe; color: #2563eb; }
.svc-banner-card.color-green  .svc-banner-icon { background: #d1fae5; color: #059669; }
.svc-banner-card.color-purple .svc-banner-icon { background: #ede9fe; color: #7c3aed; }

.svc-banner-content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #1a3a2e;
  line-height: 1.35;
  margin: 0;
}

.svc-banner-content p {
  font-size: .86rem;
  color: #4a7060;
  line-height: 1.65;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* Separadores de nivel */
.nivel-sep { display: flex; align-items: center; gap: 16px; margin: 52px 0 32px; }
.nivel-sep-line { flex: 1; height: 1px; background: #b2ddd0; }

.nivel-sep-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 22px; border-radius: 100px;
  font-size: .78rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  white-space: nowrap;
}
.nivel-sep-badge.nivel1 {
  background: #d1fae5;
  border: 1.5px solid #6ee7b7;
  color: #065f46;
}
.nivel-sep-badge.nivel2 {
  background: #dbeafe;
  border: 1.5px solid #93c5fd;
  color: #1e40af;
}

/* Contacto grid limitado en ancho */
.contact-grid-sm { max-width: 860px; margin-left: auto; margin-right: auto; margin-bottom: 48px; }

/* ── Responsive servicios ─────────────────────────────────────────────── */
@media (max-width: 900px) {
  .svc-banner-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
}
@media (max-width: 560px) {
  .svc-banner-grid { grid-template-columns: 1fr; gap: 14px; }
  .svc-banner-card { min-height: auto; }
  .svc-card-img    { height: 180px; }
  .nivel-sep       { margin: 32px 0 20px; }
  .servicios-section { padding: 60px 0 48px; }
}

/* ── Responsive hero ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero { height: clamp(340px, 55vh, 480px); }
  .carousel-dots { bottom: 16px; }
}
@media (max-width: 480px) {
  .hero { height: 360px; }
  .hero-title  { font-size: clamp(1.8rem, 7vw, 2.6rem); }
  .hero-phrase { font-size: .9rem; }
}