/* === VISJON · shared.css — Design tokens, reset, navbar, footer === */

/* Design tokens */
:root {
  --tinta:    #141414;
  --violeta:  #7C3AED;
  --violeta-hover: #6D28D9;
  --lavanda:  #EDE9FE;
  --blanco:   #FFFFFF;
  --indigo:   #1E1B4B;
  --pizarra:  #6366F1;
  --ambar:    #D97706;
  --esmeralda:#16C784;
  --coral:    #DC2626;
  --tinta-65: #3D3D3A;
  --tinta-50: #5B5B58;
  --line:     rgba(20,20,20,0.08);
  --line-2:   rgba(20,20,20,0.14);
  --line-dark:rgba(255,255,255,0.10);
  --f-sans:   "Geist", "Inter", system-ui, sans-serif;
  --f-body:   "Inter", system-ui, sans-serif;
  --f-mono:   "Geist Mono", ui-monospace, monospace;
  --f-serif:  "Source Serif 4", Georgia, serif;
  --maxw:     1320px;
  --pad-x:    32px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--blanco);
  color: var(--tinta);
  font-family: var(--f-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; touch-action: manipulation; }
button { cursor: pointer; border: 0; background: none; font-family: inherit; color: inherit; touch-action: manipulation; }
img { display: block; max-width: 100%; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad-x); }

/* Typography */
.h1 { font-family: var(--f-sans); font-weight: 700; font-size: clamp(40px, 5.4vw, 72px); line-height: 1.02; letter-spacing: -0.025em; text-wrap: balance; }
.h2 { font-family: var(--f-sans); font-weight: 700; font-size: clamp(28px, 3.4vw, 44px); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; }
.h3 { font-family: var(--f-sans); font-weight: 600; font-size: 24px; line-height: 1.25; letter-spacing: -0.01em; text-wrap: balance; }
.body { font-family: var(--f-body); font-size: 16px; line-height: 1.6; }
.small { font-family: var(--f-body); font-size: 14px; line-height: 1.5; }
.data { font-family: var(--f-mono); font-feature-settings: "tnum" 1; }
.serif-i { font-family: var(--f-serif); font-style: italic; font-weight: 400; }
.eyebrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--violeta); font-weight: 500; }

/* Logo */
.logo {
  display: inline-flex; align-items: baseline; gap: 0;
  font-family: var(--f-sans); font-weight: 700;
  font-size: 22px; letter-spacing: -0.01em;
  color: var(--tinta);
  user-select: none;
}
.logo .ltr { position: relative; }
.logo .ltr.dot::before {
  content: ""; position: absolute;
  top: -7px; left: 50%; transform: translateX(-50%);
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--violeta);
}
.logo .ltr.tilt { color: var(--violeta); display: inline-block; transform: skewX(-9deg); }

/* Navbar */
nav.topbar {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 0.5px solid var(--line-2);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 16px var(--pad-x);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.nav-links {
  display: flex; align-items: center; gap: 4px;
  justify-self: center;
  background: rgba(20,20,20,0.03);
  border: 0.5px solid var(--line);
  border-radius: 999px;
  padding: 4px;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  font-family: var(--f-body);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--tinta);
  border-radius: 999px;
  transition: color .2s var(--ease), background .2s var(--ease);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-link:hover { color: var(--violeta); }
.nav-link.active { background: var(--blanco); box-shadow: 0 1px 2px rgba(0,0,0,.05), 0 0 0 0.5px var(--line-2); }
.nav-link .caret { width: 8px; height: 8px; opacity: .55; }
.nav-right { justify-self: end; display: flex; align-items: center; gap: 8px; }
.signin {
  font-size: 13px; font-weight: 500; color: var(--tinta);
  padding: 9px 16px; border-radius: 8px;
  transition: background .2s var(--ease);
}
.signin:hover { background: rgba(20,20,20,0.05); }

/* TEMP: botones auth desactivados hasta que login/registro estén listos — eliminar este bloque para reactivar */
.nav-right .signin,
.nav-right .btn-primary,
.mobile-menu a[href="login.html"] { display: none; }
/* FIN TEMP */

/* Buttons */
.btn-primary, .btn-cta, .btn-outline, .btn-ghost {
  font-family: var(--f-body);
  font-weight: 500;
  border-radius: 10px;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
  display: inline-flex; align-items: center; gap: 8px;
  white-space: nowrap;
}
.btn-primary {
  background: var(--violeta); color: var(--blanco);
  padding: 10px 18px; font-size: 13.5px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.12) inset, 0 1px 2px rgba(124,58,237,.25);
}
.btn-primary:hover { background: var(--violeta-hover); }
.btn-primary .arr { transition: transform .2s var(--ease); }
.btn-primary:hover .arr { transform: translateX(2px); }
.btn-outline {
  border: 1px solid var(--violeta); color: var(--violeta);
  padding: 12px 20px; font-size: 14px;
  background: var(--blanco);
}
.btn-outline:hover { background: var(--violeta); color: var(--blanco); }
.btn-cta {
  background: var(--violeta); color: var(--blanco);
  font-weight: 500; font-size: 15px;
  padding: 14px 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,.15) inset, 0 6px 20px -8px rgba(124,58,237,.6);
}
.btn-cta:hover { background: var(--violeta-hover); transform: translateY(-1px); }
.btn-cta .arr { transition: transform .2s var(--ease); }
.btn-cta:hover .arr { transform: translateX(3px); }

/* Email field */
.email-field {
  display: flex; align-items: center;
  background: var(--blanco);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 0 14px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.email-field:focus-within {
  border-color: var(--violeta);
  box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}
.email-field input {
  flex: 1; border: 0; outline: 0; background: transparent;
  padding: 14px 4px;
  font-family: var(--f-body); font-size: 14.5px;
  color: var(--tinta);
}
.email-field input::placeholder { color: rgba(20,20,20,.38); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 280px;
  background: var(--indigo);
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 20px 50px rgba(30,27,75,.35), 0 0 0 0.5px rgba(124,58,237,.25);
  opacity: 0; visibility: hidden;
  transition: opacity .22s var(--ease), visibility .22s var(--ease), transform .22s var(--ease);
  z-index: 100;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown-item {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px; border-radius: 10px;
  transition: background .15s var(--ease);
  color: var(--blanco);
}
.dropdown-item + .dropdown-item { border-top: 0.5px solid rgba(99,102,241,.22); border-radius: 0; }
.dropdown-item:first-child { border-radius: 10px 10px 0 0; }
.dropdown-item:last-child { border-radius: 0 0 10px 10px; }
.dropdown-item:only-child { border-radius: 10px; }
.dropdown-item:hover { background: rgba(124,58,237,.18); }
.dropdown-icon {
  flex: 0 0 32px; height: 32px; border-radius: 8px;
  background: rgba(124,58,237,.20);
  display: grid; place-items: center;
  color: var(--lavanda);
}
.dropdown-title { font-size: 14px; font-weight: 500; color: #fff; margin-bottom: 2px; }
.dropdown-desc  { font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.4; }

/* Mobile nav */
.mobile-menu { display: none; }
.nav-burger { display: none; }
@media (max-width: 1024px) {
  .nav-links { display: none !important; }
  .nav-burger {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px;
    border-radius: 10px;
    background: rgba(20,20,20,0.04);
    border: 0.5px solid var(--line-2);
    color: var(--tinta);
    transition: background .2s var(--ease);
  }
  .nav-burger:hover { background: rgba(20,20,20,0.08); }
  .nav-right .signin { display: none; }
  .mobile-menu {
    position: fixed; top: 72px; left: 16px; right: 16px;
    background: var(--blanco);
    border: 1px solid var(--line-2);
    border-radius: 14px;
    padding: 12px;
    box-shadow: 0 30px 60px -20px rgba(30,27,75,.3);
    z-index: 90;
    display: none;
    flex-direction: column; gap: 2px;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a {
    padding: 14px 16px;
    font-family: var(--f-body); font-size: 15px; font-weight: 500;
    color: var(--tinta);
    border-radius: 10px;
    transition: background .15s var(--ease);
  }
  .mobile-menu a:hover { background: rgba(124,58,237,.08); color: var(--violeta); }
  .mobile-menu a + a { border-top: 0.5px solid var(--line); border-radius: 0; }
  .mobile-menu a:first-child { border-radius: 10px 10px 0 0; }
  .mobile-menu a:last-child { border-radius: 0 0 10px 10px; }
}

/* Footer */
footer {
  background: var(--indigo);
  color: rgba(255,255,255,.7);
  padding: 32px 0;
  border-top: 0.5px solid rgba(124,58,237,.22);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px; align-items: center;
}
.footer-logo {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--f-sans); font-weight: 700; color: #fff; font-size: 18px;
  letter-spacing: -0.01em;
}
.footer-logo .ltr.dot::before { background: var(--violeta); }
.footer-logo .ltr.tilt { color: var(--violeta); display: inline-block; transform: skewX(-9deg); }
.footer-links {
  justify-self: center;
  display: flex; align-items: center; gap: 6px;
  font-family: var(--f-body); font-size: 13px;
}
.footer-links a {
  color: rgba(255,255,255,.6); padding: 6px 10px; border-radius: 6px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.footer-links a:hover { color: #fff; background: rgba(255,255,255,.05); }
.footer-links .sep { color: rgba(255,255,255,.22); }
.footer-copy {
  justify-self: end;
  font-family: var(--f-mono); font-size: 12px;
  color: rgba(255,255,255,.5);
  letter-spacing: 0.04em;
}

/* Responsive — shared */
@media (max-width: 640px) {
  :root { --pad-x: 20px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; gap: 14px; }
  .footer-copy, .footer-links { justify-self: center; }
}

/* Focus visible — keyboard navigation */
:focus-visible {
  outline: 2px solid var(--violeta);
  outline-offset: 2px;
}
.btn-primary:focus-visible,
.btn-cta:focus-visible,
.btn-outline:focus-visible {
  outline: 2px solid var(--violeta);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(124,58,237,.18);
}
.nav-link:focus-visible,
.signin:focus-visible {
  outline: 2px solid var(--violeta);
  outline-offset: 2px;
  border-radius: 999px;
}
.dropdown-item:focus-visible {
  outline: 2px solid rgba(124,58,237,.6);
  outline-offset: -2px;
  border-radius: 10px;
}
.mobile-menu a:focus-visible {
  outline: 2px solid var(--violeta);
  outline-offset: -2px;
  border-radius: 10px;
}
.footer-links a:focus-visible {
  outline: 2px solid rgba(255,255,255,.6);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }