/* =========================================================
   INDOMINUS — Landing institucional
   Hoja de estilos plana. Editable a mano sin build step.
   ========================================================= */

/* ---------- 1. Variables (paleta + tipografía) ---------- */
:root {
  /* Paleta clara */
  --bg:            hsl(0, 0%, 100%);
  --fg:            hsl(220, 15%, 10%);
  --muted-fg:      hsl(220, 8%, 48%);
  --border:        hsl(220, 10%, 88%);
  --card-bg:       hsl(220, 10%, 97%);

  /* Paleta oscura (hero / philosophy / governance / closing) */
  --hero-bg:       hsl(220, 20%, 8%);
  --hero-fg:       hsl(220, 10%, 92%);
  --dark-bg:       hsl(220, 18%, 12%);
  --dark-fg:       hsl(220, 8%, 88%);

  /* Tipografía */
  --font-sans: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-serif: "EB Garamond", Georgia, "Times New Roman", serif;

  /* Layout */
  --container-max: 1152px;
  --pad-x-mobile:  1.5rem;   /* 24px */
  --pad-x-tablet:  3rem;     /* 48px */
  --pad-x-desktop: 6rem;     /* 96px */
  --pad-x-wide:    8rem;     /* 128px */

  --pad-y-mobile:  5rem;     /* 80px  */
  --pad-y-tablet:  7rem;     /* 112px */
  --pad-y-desktop: 9rem;     /* 144px */
}

/* ---------- 2. Reset + base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }

::selection { background: var(--fg); color: var(--bg); }

/* ---------- 3. Container + secciones ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--pad-x-mobile);
  padding-right: var(--pad-x-mobile);
}

@media (min-width: 768px)  { .container { padding-left: var(--pad-x-tablet);  padding-right: var(--pad-x-tablet);  } }
@media (min-width: 1024px) { .container { padding-left: var(--pad-x-desktop); padding-right: var(--pad-x-desktop); } }
@media (min-width: 1280px) { .container { padding-left: var(--pad-x-wide);    padding-right: var(--pad-x-wide);    } }

/* Padding vertical estándar para cada sección */
.about, .platform, .operating, .track, .team, .capital, .portal,
.philosophy, .governance, .closing {
  padding-top:    var(--pad-y-mobile);
  padding-bottom: var(--pad-y-mobile);
}
@media (min-width: 768px) {
  .about, .platform, .operating, .track, .team, .capital, .portal,
  .philosophy, .governance, .closing {
    padding-top:    var(--pad-y-tablet);
    padding-bottom: var(--pad-y-tablet);
  }
}
@media (min-width: 1024px) {
  .about, .platform, .operating, .track, .team, .capital, .portal,
  .philosophy, .governance, .closing {
    padding-top:    var(--pad-y-desktop);
    padding-bottom: var(--pad-y-desktop);
  }
}

/* Superficies oscuras */
.surface-dark { background: var(--dark-bg); color: var(--dark-fg); }

/* ---------- 4. Tipografía utilitaria ---------- */
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted-fg);
  margin: 0 0 1.25rem;
}
.eyebrow--on-dark { color: rgba(220, 222, 226, 0.4); }

.display {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.875rem, 1.4rem + 2vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 4rem;
  max-width: 36rem;
}
.display--on-dark { color: var(--dark-fg); }

.serif-h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(1.5rem, 1.2rem + 1.2vw, 1.875rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.serif-h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 0 0 0.75rem;
}

.prose p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted-fg);
  margin: 0 0 1.25rem;
}
.prose p:last-child { margin-bottom: 0; }

.prose-sm {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-fg);
  margin: 0;
}

/* ---------- 5. Botones ---------- */
.btn {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.875rem 1.75rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.2s;
  white-space: nowrap;
}
.btn--ghost-light {
  border-color: rgba(220, 222, 226, 0.25);
  color: var(--hero-fg);
  background: transparent;
}
.btn--ghost-light:hover { background: rgba(220, 222, 226, 0.1); }

.btn--solid-light {
  background: var(--hero-fg);
  color: var(--hero-bg);
}
.btn--solid-light:hover { opacity: 0.9; }

.btn--ghost-dark {
  border-color: rgba(20, 25, 35, 0.2);
  color: var(--fg);
  background: transparent;
}
.btn--ghost-dark:hover { background: var(--fg); color: var(--bg); }

/* ---------- 6. Navegación ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
  background: transparent;
  border-bottom: 1px solid transparent;
}
.nav[data-scrolled="true"] {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom-color: var(--border);
}

.nav__inner {
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding-left: var(--pad-x-mobile);
  padding-right: var(--pad-x-mobile);
}
@media (min-width: 768px) {
  .nav__inner { height: 80px; padding-left: var(--pad-x-tablet); padding-right: var(--pad-x-tablet); }
}
@media (min-width: 1024px) { .nav__inner { padding-left: var(--pad-x-desktop); padding-right: var(--pad-x-desktop); } }
@media (min-width: 1280px) { .nav__inner { padding-left: var(--pad-x-wide);    padding-right: var(--pad-x-wide);    } }

.nav__logo img {
  height: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
@media (min-width: 768px) { .nav__logo img { height: 20px; } }
.nav[data-scrolled="true"] .nav__logo img { opacity: 1; pointer-events: auto; }

.nav__links {
  display: none;
  align-items: center;
  gap: 2rem;
}
@media (min-width: 768px) { .nav__links { display: flex; } }

.nav__link, .nav__cta {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 0.2s, background 0.2s, border-color 0.2s;
}
.nav__link {
  color: rgba(220, 222, 226, 0.6);
}
.nav__link:hover { color: var(--hero-fg); }
.nav[data-scrolled="true"] .nav__link { color: var(--muted-fg); }
.nav[data-scrolled="true"] .nav__link:hover { color: var(--fg); }

.nav__cta {
  border: 1px solid rgba(220, 222, 226, 0.3);
  color: var(--hero-fg);
  padding: 0.5rem 1.25rem;
}
.nav__cta:hover { background: rgba(220, 222, 226, 0.1); }
.nav[data-scrolled="true"] .nav__cta {
  border-color: rgba(20, 25, 35, 0.2);
  color: var(--fg);
}
.nav[data-scrolled="true"] .nav__cta:hover { background: var(--fg); color: var(--bg); }

/* Toggle móvil (hamburguesa) */
.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
@media (min-width: 768px) { .nav__toggle { display: none; } }
.nav__toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--hero-fg);
  transition: background 0.3s, transform 0.3s;
}
.nav[data-scrolled="true"] .nav__toggle span { background: var(--fg); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { transform: rotate(-45deg) translate(3px, -3px); }

/* Menú móvil overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--bg);
  display: none;                /* oculto por default */
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  animation: fadeIn 0.2s ease-out;
}
.mobile-menu:not([hidden]) {     /* visible solo cuando JS quita el atributo hidden */
  display: flex;
}
@media (min-width: 768px) { .mobile-menu { display: none !important; } }
.mobile-menu__link {
  font-family: var(--font-serif);
  font-size: 1.875rem;
}
.mobile-menu__cta {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--fg);
  padding: 0.75rem 2rem;
  margin-top: 1rem;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 7. HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--hero-bg);
  color: var(--hero-fg);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    var(--hero-bg) 0%,
    rgba(16, 20, 28, 0.6) 50%,
    rgba(16, 20, 28, 0.3) 100%
  );
}
.hero__content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--container-max);
  padding-top: 8rem;
  padding-bottom: 4rem;
  padding-left: var(--pad-x-mobile);
  padding-right: var(--pad-x-mobile);
}
@media (min-width: 768px) {
  .hero__content { padding-bottom: 6rem; padding-left: var(--pad-x-tablet); padding-right: var(--pad-x-tablet); }
}
@media (min-width: 1024px) { .hero__content { padding-left: var(--pad-x-desktop); padding-right: var(--pad-x-desktop); } }
@media (min-width: 1280px) { .hero__content { padding-left: var(--pad-x-wide);    padding-right: var(--pad-x-wide);    } }

.hero__logo {
  height: 24px;
  margin-bottom: 2.5rem;
  /* Invertir el logo negro a blanco */
  filter: invert(1) brightness(2);
}
@media (min-width: 768px) { .hero__logo { height: 32px; } }

.hero__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: clamp(2.25rem, 1.5rem + 3.2vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--hero-fg);
  max-width: 48rem;
  margin: 0 0 2rem;
}

.hero__lead {
  color: rgba(220, 222, 226, 0.55);
  font-size: 15px;
  line-height: 1.7;
  max-width: 36rem;
  margin: 0 0 2.5rem;
}
@media (min-width: 768px) { .hero__lead { font-size: 16px; } }

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- 8. ABOUT ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
  max-width: var(--container-max);
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 1fr 380px;
    gap: 5rem;
  }
}
.about__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: none;
}
@media (min-width: 1024px) { .about__image { display: block; } }

/* ---------- 9. PHILOSOPHY ---------- */
.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 4rem;
  row-gap: 2.5rem;
}
@media (min-width: 768px) { .philosophy__grid { grid-template-columns: 1fr 1fr; } }

.pillar {
  border-top: 1px solid rgba(220, 222, 226, 0.12);
  padding-top: 1.5rem;
}
.pillar__num {
  display: block;
  color: rgba(220, 222, 226, 0.25);
  font-size: 13px;
}
.pillar__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.25rem;
  color: var(--dark-fg);
  margin: 0.5rem 0 0.75rem;
}
.pillar__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(220, 222, 226, 0.55);
  margin: 0;
}

/* ---------- 10. PLATFORM ---------- */
.platform { border-top: 1px solid var(--border); }
.platform__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
@media (min-width: 1024px) { .platform__grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }

.platform__item { margin-bottom: 2.5rem; }
.platform__item:last-child { margin-bottom: 0; }
.platform__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 2.5rem;
}

/* ---------- 11. OPERATING MODEL ---------- */
.operating { background: var(--card-bg); }
.operating__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) { .operating__grid { grid-template-columns: repeat(4, 1fr); } }

.step { border-top: 1px solid var(--border); padding-top: 1.25rem; }
.step__num { font-size: 11px; color: rgba(120, 125, 135, 0.4); }
.step__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.125rem;
  margin: 0.5rem 0 0.75rem;
}
.step__text {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted-fg);
  margin: 0;
}

/* ---------- 12. TRACK RECORD ---------- */
.track { border-top: 1px solid var(--border); }
.track__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 1024px) { .track__grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }

.capabilities {
  list-style: none;
  padding: 0;
  margin: 0;
}
.capabilities li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
  font-size: 14px;
}
.capabilities__num { color: rgba(120, 125, 135, 0.4); font-size: 12px; }

/* ---------- 13. GOVERNANCE ---------- */
.governance__list { display: block; }
.governance__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(220, 222, 226, 0.1);
}
@media (min-width: 768px) {
  .governance__row { grid-template-columns: 220px 1fr; gap: 3rem; }
}
.governance__title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.125rem;
  color: var(--dark-fg);
  margin: 0;
}
.governance__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(220, 222, 226, 0.5);
  margin: 0;
}

/* ---------- 14. TEAM ---------- */
.team { border-top: 1px solid var(--border); }
.team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 1024px) { .team__grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }

.team__item {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-bottom: 1.5rem;
}
.team__item:last-child { margin-bottom: 0; }

/* ---------- 15. CAPITAL ---------- */
.capital { background: var(--card-bg); }
.capital__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}
@media (min-width: 768px) { .capital__grid { grid-template-columns: repeat(3, 1fr); gap: 3rem; } }

.capital__item {
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.capital__cta {
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
  text-align: center;
}
.capital__cta p {
  font-size: 13px;
  color: var(--muted-fg);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}

/* ---------- 16. INVESTOR PORTAL ---------- */
.portal { border-top: 1px solid var(--border); }
.portal__inner {
  max-width: 28rem;
  margin: 0 auto;
  padding-left: var(--pad-x-mobile);
  padding-right: var(--pad-x-mobile);
  text-align: center;
}
.portal__icon {
  display: block;
  margin: 0 auto 1rem;
  color: var(--muted-fg);
}
.portal__lead {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-fg);
  margin: 0 0 2.5rem;
}

.portal__form { display: grid; gap: 0.75rem; text-align: left; }
.portal__form input {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.875rem 1rem;
  font-size: 14px;
  color: var(--fg);
  transition: border-color 0.2s;
}
.portal__form input::placeholder { color: rgba(120, 125, 135, 0.6); }
.portal__form input:focus { outline: none; border-color: var(--fg); }

.portal__form button {
  background: var(--fg);
  color: var(--bg);
  border: 0;
  padding: 0.875rem;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.2s;
}
.portal__form button:hover { opacity: 0.9; }

.portal__note {
  font-size: 11px;
  color: var(--muted-fg);
  text-align: center;
  margin: 0.5rem 0 0;
}

.portal__success {
  border: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
}
.portal__success .serif-h3 { margin: 0 0 0.5rem; }

/* ---------- 17. CLOSING ---------- */
.closing {
  background: var(--hero-bg);
  color: var(--hero-fg);
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 5rem;
}
@media (min-width: 768px) { .closing { padding-top: 7rem; padding-bottom: 7rem; } }

.closing__logo {
  height: 20px;
  margin: 0 auto 1.5rem;
  filter: invert(1) brightness(2);
  opacity: 0.6;
}
@media (min-width: 768px) { .closing__logo { height: 28px; } }
.closing__tag {
  color: rgba(220, 222, 226, 0.4);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin: 0;
}

/* ---------- 18. FOOTER ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}
.footer__top {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  justify-content: space-between;
}
@media (min-width: 768px) { .footer__top { flex-direction: row; } }

.footer__logo { height: 14px; opacity: 0.3; margin-bottom: 1rem; }
.footer__disclaimer {
  font-size: 11px;
  line-height: 1.55;
  color: rgba(120, 125, 135, 0.6);
  max-width: 28rem;
  margin: 0;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer__links a {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(120, 125, 135, 0.5);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--fg); }

.footer__bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.footer__bottom p {
  font-size: 11px;
  color: rgba(120, 125, 135, 0.4);
  margin: 0;
}

/* ---------- 19. Animaciones de entrada ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Respeta usuarios con motion reducido */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- 20. Honeypot del formulario (oculto a humanos) ---------- */
.portal__hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- 21. Mensaje de error del Investor Portal ---------- */
.portal__error {
  font-size: 12px;
  color: hsl(0, 60%, 45%);
  text-align: center;
  margin: 0.5rem 0 0;
}

/* Estado deshabilitado del botón mientras se envía */
.portal__form button[disabled] {
  opacity: 0.55;
  cursor: wait;
}