/* ==============================================
   CLÍNICA CALMA — Global Styles
   ============================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* --- Variables --- */
:root {
  --azul-marino: #1B3A5C;
  --azul-marino-dark: #0f2236;
  --azul-marino-light: #24507d;
  --verde-salvia: #6B9E78;
  --verde-salvia-light: #87b894;
  --blanco-hueso: #F8F6F2;
  --gris-piedra: #4A5568;
  --gris-claro: #e2e0dc;
  --dorado: #C9A96E;
  --dorado-hover: #b8955a;
  --negro: #0d1b2a;
  --blanco: #ffffff;

  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --section-padding: 5rem 0;
  --container-max: 1200px;

  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  --shadow-sm: 0 2px 8px rgba(27,58,92,0.08);
  --shadow-md: 0 4px 20px rgba(27,58,92,0.12);
  --shadow-lg: 0 8px 40px rgba(27,58,92,0.18);

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--gris-piedra);
  background: var(--blanco-hueso);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Skip link (Accesibilidad) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--dorado);
  color: var(--blanco);
  font-weight: 600;
  border-radius: var(--radius);
  z-index: 9999;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: var(--section-padding); }

/* --- Tipografía --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--azul-marino);
  line-height: 1.2;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: var(--gris-piedra); }
p:last-child { margin-bottom: 0; }

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  min-height: 44px;
  gap: 0.5rem;
  cursor: pointer;
}
.btn:focus-visible { outline: 3px solid var(--dorado); outline-offset: 3px; }

.btn-primary { background: var(--dorado); color: var(--blanco); }
.btn-primary:hover { background: var(--dorado-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(201,169,110,0.4); }

.btn-secondary { background: transparent; color: var(--blanco); border: 2px solid rgba(255,255,255,0.55); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: var(--blanco); }

.btn-outline { background: transparent; color: var(--azul-marino); border: 2px solid var(--azul-marino); }
.btn-outline:hover { background: var(--azul-marino); color: var(--blanco); }

.btn-gold-outline { background: transparent; color: var(--dorado); border: 2px solid var(--dorado); }
.btn-gold-outline:hover { background: var(--dorado); color: var(--blanco); }

/* --- Section header --- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-header .label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p { max-width: 620px; margin: 0 auto; font-size: 1.05rem; }
.section-header.left { text-align: left; }
.section-header.left p { margin: 0; }

.divider {
  width: 50px;
  height: 3px;
  background: var(--dorado);
  border-radius: 2px;
  margin: 0.875rem auto 1.25rem;
}
.divider.left { margin-left: 0; }

/* --- Backgrounds --- */
.bg-white { background: var(--blanco); }
.bg-hueso { background: var(--blanco-hueso); }
.bg-azul { background: var(--azul-marino); }
.bg-azul-dark { background: var(--azul-marino-dark); }
.bg-verde { background: var(--verde-salvia); }

.bg-azul h1, .bg-azul h2, .bg-azul h3,
.bg-azul-dark h1, .bg-azul-dark h2, .bg-azul-dark h3 { color: var(--blanco); }
.bg-azul p, .bg-azul-dark p { color: rgba(255,255,255,0.78); }

/* --- Animaciones scroll --- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.fade-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-right.visible { opacity: 1; transform: translateX(0); }

/* delay helpers */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* --- Breadcrumbs --- */
.breadcrumbs {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.5rem;
}
.breadcrumbs a { color: var(--dorado); }
.breadcrumbs a:hover { text-decoration: underline; }
.breadcrumbs .sep { margin: 0 0.5rem; opacity: 0.5; }

/* --- Page header (subpages) --- */
.page-header {
  background: var(--azul-marino);
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--azul-marino-dark) 0%, var(--azul-marino) 55%, #2a5f8a 100%);
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 { color: var(--blanco); margin-bottom: 1rem; }
.page-header .subtitle { color: rgba(255,255,255,0.78); font-size: 1.1rem; max-width: 580px; }

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(248,246,242,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-md);
}
.navbar.scrolled .nav-logo { color: var(--azul-marino); }
.navbar.scrolled .nav-logo .accent { color: var(--dorado); }
.navbar.scrolled .nav-link { color: var(--gris-piedra); }
.navbar.scrolled .nav-link:hover, .navbar.scrolled .nav-link.active { color: var(--azul-marino); }
.navbar.scrolled .hamburger span { background: var(--azul-marino); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.4rem;
  color: var(--blanco);
  white-space: nowrap;
  transition: color var(--transition);
}
.nav-logo .accent { color: var(--dorado); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  padding: 0.45rem 0.875rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link:hover { color: var(--dorado); }
.nav-link.active { color: var(--dorado); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 18px; height: 2px;
  background: var(--dorado);
  border-radius: 2px;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  background: var(--dorado);
  color: var(--blanco) !important;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--dorado-hover); transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px; height: 40px;
  gap: 5px; cursor: pointer;
  position: relative;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--blanco);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Footer --- */
footer { background: var(--azul-marino-dark); color: rgba(255,255,255,0.7); font-size: 0.9rem; }

.footer-main { padding: 4rem 0 2.5rem; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
}

.footer-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--blanco);
  display: block;
  margin-bottom: 1rem;
}
.footer-logo .accent { color: var(--dorado); }
.footer-brand p { color: rgba(255,255,255,0.6); line-height: 1.7; font-size: 0.88rem; }

.footer-col h4 {
  color: var(--blanco);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--dorado); }

.footer-contact-item {
  display: flex; gap: 0.75rem; margin-bottom: 0.75rem; align-items: flex-start;
}
.footer-contact-item .icon { color: var(--dorado); flex-shrink: 0; margin-top: 2px; }
.footer-contact-item a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--dorado); }
.footer-contact-item span { color: rgba(255,255,255,0.6); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-legal { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-legal a { color: rgba(255,255,255,0.45); font-size: 0.8rem; transition: color var(--transition); }
.footer-legal a:hover { color: var(--dorado); }
.footer-copy { color: rgba(255,255,255,0.4); font-size: 0.8rem; }

/* --- Responsive global --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --section-padding: 3.5rem 0; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Llamar ahora: solo icono en móvil */
  .nav-cta {
    width: 38px;
    height: 38px;
    min-width: 38px;
    padding: 0;
    border-radius: 50%;
    overflow: hidden;
    gap: 0;
    justify-content: center;
    font-size: 0 !important;
    flex-shrink: 0;
  }
  .nav-cta svg { width: 18px; height: 18px; flex-shrink: 0; min-width: 18px; font-size: initial; }

  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--azul-marino-dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    padding: 5rem 2rem 2rem;
  }
  .nav-links.open { opacity: 1; pointer-events: all; z-index: 999; }

  .nav-link { font-size: 1.2rem; color: var(--blanco); padding: 0.75rem 1.5rem; }
  .nav-link:hover, .nav-link.active { color: var(--dorado); }
  .nav-link.active::after { display: none; }

  .nav-cta { font-size: 1rem; padding: 0.875rem 2rem; }
}