@import url("https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500;600;700;800&display=swap");

/* CSAI · utilidades comunes v03: header idéntico a landing */
:root {
  --bg: #ffffff;
  --surface: rgba(255,255,255,0.96);
  --surface-strong: rgba(255,255,255,0.985);
  --text: #242424;
  --muted: #666666;
  --line: rgba(36,36,36,0.10);
  --line-strong: rgba(36,36,36,0.14);
  --accent: #c7653a;
  --accent-dark: #af562e;
  --max: 1180px;
  --header-h: 84px;
  --radius-pill: 999px;
  --radius-card: 24px;
  --shadow-soft: 0 16px 34px rgba(0,0,0,0.08);
  --section-x: clamp(24px, 4vw, 40px);
  --intro-duration: 1000ms;
  --hero-fade-duration: 950ms;
}

html { scroll-behavior: smooth; }
body.csai-tool-page {
  font-family: "Oswald", "Arial Narrow", Arial, Helvetica, sans-serif;
  padding-top: var(--header-h);
  background: #ffffff;
  color: var(--text);
  font-family: "Oswald", "Arial Narrow", Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.csai-tool-page.menu-open { overflow: hidden; }
body.csai-tool-page img { display: block; max-width: 100%; }
body.csai-tool-page a { color: inherit; }

body.csai-tool-page .container {
  width: min(calc(100% - (var(--section-x) * 2)), var(--max));
  margin: 0 auto;
}

body.csai-tool-page .site-header {
  position: fixed !important;
  inset: 0 0 auto 0 !important;
  height: var(--header-h) !important;
  z-index: 100 !important;
  background: rgba(255,255,255,0.96) !important;
  border-bottom: 1px solid var(--line) !important;
  backdrop-filter: blur(10px) !important;
  padding: 0 !important;
  transform: translateY(0) !important;
  transition: opacity .35s ease, transform .35s ease, background-color .3s ease !important;
}

body.csai-tool-page .header-inner {
  min-height: var(--header-h) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  gap: 24px !important;
  position: relative !important;
}

body.csai-tool-page .brand {
  display: inline-flex !important;
  align-items: center !important;
  text-decoration: none !important;
  flex: 0 0 auto !important;
  position: relative !important;
  z-index: 3 !important;
  gap: 0 !important;
  margin: 0 !important;
}

body.csai-tool-page .brand img {
  width: auto !important;
  height: 54px !important;
  object-fit: contain !important;
}

body.csai-tool-page .main-nav {
  margin-left: auto !important;
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 28px !important;
}

body.csai-tool-page .nav-links {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: clamp(18px, 2vw, 28px) !important;
}

body.csai-tool-page .nav-links a,
body.csai-tool-page .mobile-panel a {
  text-decoration: none !important;
  font-size: 14px !important;
  line-height: 1 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  color: var(--text) !important;
  transition: color .22s ease !important;
  white-space: nowrap !important;
  font-weight: 400 !important;
}

body.csai-tool-page .nav-links a:hover,
body.csai-tool-page .nav-links a:focus-visible,
body.csai-tool-page .mobile-panel a:hover,
body.csai-tool-page .mobile-panel a:focus-visible {
  color: var(--accent) !important;
  outline: none !important;
}

body.csai-tool-page .menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 3;
}

body.csai-tool-page .menu-toggle-box { display: grid; gap: 6px; }
body.csai-tool-page .menu-toggle-box span {
  display: block;
  width: 18px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent);
  transition: transform .28s ease, opacity .22s ease;
  transform-origin: center;
}
body.csai-tool-page .menu-toggle[aria-expanded="true"] .menu-toggle-box span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
body.csai-tool-page .menu-toggle[aria-expanded="true"] .menu-toggle-box span:nth-child(2) { opacity: 0; }
body.csai-tool-page .menu-toggle[aria-expanded="true"] .menu-toggle-box span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

body.csai-tool-page .mobile-panel {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  left: var(--section-x);
  right: var(--section-x);
  z-index: 95;
  background: var(--surface-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity .26s ease, transform .26s ease;
  display: none;
}
body.csai-tool-page .mobile-panel nav { display: grid; gap: 16px; }
body.csai-tool-page .mobile-panel.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }

body.csai-tool-page .nav-access-button,
body.csai-tool-page .mobile-access-button {
  min-height: 38px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(199,101,58,0.34);
  background: rgba(199,101,58,0.06);
  color: var(--accent);
  font-family: inherit;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition: background-color .22s ease, color .22s ease, border-color .22s ease, transform .22s ease;
  white-space: nowrap;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
body.csai-tool-page .nav-access-button:hover,
body.csai-tool-page .nav-access-button:focus-visible,
body.csai-tool-page .mobile-access-button:hover,
body.csai-tool-page .mobile-access-button:focus-visible {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  transform: translateY(-1px);
  outline: none;
}
body.csai-tool-page .mobile-access-button { width: 100%; justify-content: center; margin-top: 8px; }

body.csai-tool-page .csai-tool-loader {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  background: #ffffff;
  opacity: 1;
  transition: opacity .9s ease;
  pointer-events: auto;
}
body.csai-tool-page .csai-tool-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}
body.csai-tool-page .csai-tool-loader-title {
  font-family: "Oswald", "Arial Narrow", Arial, Helvetica, sans-serif;
  color: var(--text);
  font-size: clamp(38px, 8vw, 82px);
  line-height: .95;
  letter-spacing: -0.02em;
  font-weight: 400;
  text-align: center;
  opacity: 0;
  transform: translateY(12px);
  animation: csaiToolTitle var(--intro-duration) ease forwards;
}
body.csai-tool-page .csai-tool-loader-kicker {
  font-family: "Oswald", "Arial Narrow", Arial, Helvetica, sans-serif;
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 13px;
  line-height: 1;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 400;
}
@keyframes csaiToolTitle {
  0% { opacity: 0; transform: translateY(12px); }
  28% { opacity: 1; transform: translateY(0); }
  72% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-6px); }
}

@media (max-width: 920px) {
  body.csai-tool-page .nav-links { display: none !important; }
  body.csai-tool-page .menu-toggle { display: inline-flex !important; }
  body.csai-tool-page .mobile-panel { display: block !important; }
  body.csai-tool-page .brand img { height: 48px !important; }
}
@media (max-width: 640px) {
  :root { --header-h: 76px; }
  body.csai-tool-page .brand img { height: 44px !important; }
  body.csai-tool-page .mobile-panel { top: calc(var(--header-h) + 10px); padding: 16px 18px; border-radius: 22px; }
  body.csai-tool-page .mobile-panel nav { gap: 14px; }
  body.csai-tool-page .mobile-panel a { font-size: 15px !important; }
}
@media (prefers-reduced-motion: reduce) {
  body.csai-tool-page *, body.csai-tool-page *::before, body.csai-tool-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* Ajuste v04: evitar que los headers internos de cada utilidad contaminen el header global */
body.csai-tool-page > header.site-header {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: var(--header-h) !important;
  min-height: var(--header-h) !important;
  margin: 0 !important;
  padding: 0 !important;
  background: rgba(255,255,255,0.96) !important;
}
body.csai-tool-page > header.site-header .container.header-inner {
  width: min(calc(100% - (var(--section-x) * 2)), var(--max)) !important;
  margin: 0 auto !important;
}
/* En Clima y Color eliminamos los distintivos internos duplicados; si quedase alguno, no se muestra. */
body.csai-tool-page .brandline,
body.csai-tool-page header .brand .logo { display: none !important; }