/* ==========================================================================
   ANYELI ANTONIO — Sistema visual
   Editorial luxury + CEO + minimalismo sofisticado
   ========================================================================== */

:root {
  --carbon: #111111;
  --carbon-soft: #1c1c1c;
  --ivory: #F4F1EA;
  --white: #FAFAF8;
  --champagne: #A88D5D;
  --taupe: #8c8478;
  --line: rgba(17, 17, 17, 0.12);
  --line-on-dark: rgba(244, 241, 234, 0.16);

  --serif: "Fraunces", "Georgia", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --max-width: 1180px;
  --gutter: clamp(1.5rem, 5vw, 4rem);

  --speed: 420ms;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--carbon);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

.section {
  padding: clamp(4rem, 10vw, 8rem) var(--gutter);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.on-dark {
  background: var(--carbon);
  color: var(--ivory);
}

.on-ivory {
  background: var(--ivory);
}

.on-white {
  background: var(--white);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--champagne);
  margin: 0 0 1rem;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.12;
  margin: 0;
}

h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  max-width: 20ch;
}

p {
  margin: 0 0 1.1rem;
  max-width: 62ch;
}

.lede {
  font-size: 1.15rem;
  color: var(--carbon);
  opacity: 0.82;
}

.on-dark .lede,
.on-dark p {
  color: var(--ivory);
  opacity: 0.82;
}

/* ---------- Navigation ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--gutter);
  background: rgba(17, 17, 17, 0.0);
  transition: background var(--speed) var(--ease), padding var(--speed) var(--ease);
}

.nav.is-scrolled {
  background: rgba(17, 17, 17, 0.92);
  backdrop-filter: blur(6px);
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}

.nav-mark {
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--ivory);
}

.nav-links {
  display: flex;
  gap: 2.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--ivory);
  opacity: 0.8;
  transition: opacity var(--speed) var(--ease);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  opacity: 1;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ivory);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: stretch;
  background: var(--carbon);
  color: var(--ivory);
  overflow: hidden;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(6rem, 9vw, 3rem) clamp(2rem, 6vw, 5rem);
  z-index: 2;
}

.hero-mark {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  letter-spacing: 0.02em;
  margin-bottom: 1.4rem;
}

.hero-headline {
  font-size: clamp(2rem, 4vw, 3.1rem);
  max-width: 14ch;
  margin-bottom: 1.6rem;
}

.hero-descriptor {
  font-family: var(--sans);
  font-size: 0.98rem;
  color: var(--champagne);
  max-width: 40ch;
  margin-bottom: 2.4rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  min-height: 100%;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17,17,17,0.55) 0%, rgba(17,17,17,0) 28%);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.95rem 1.9rem;
  font-family: var(--sans);
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.btn-primary {
  background: var(--champagne);
  color: var(--carbon);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #bfa578;
}

.btn-ghost {
  border-color: var(--line-on-dark);
  color: var(--ivory);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--champagne);
  color: var(--champagne);
}

.on-ivory .btn-ghost,
.on-white .btn-ghost {
  border-color: var(--line);
  color: var(--carbon);
}

.on-ivory .btn-ghost:hover,
.on-white .btn-ghost:hover {
  border-color: var(--champagne);
  color: #7a6444;
}

/* ---------- Sobre Anyeli ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.about-portrait {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.about-statement {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  margin-bottom: 1.6rem;
  max-width: 16ch;
}

/* ---------- Universos ---------- */

.universes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.universe {
  background: var(--white);
  padding: clamp(2rem, 4vw, 2.6rem);
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.universe.has-photo {
  position: relative;
  color: var(--ivory);
  justify-content: flex-end;
}

.universe.has-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.universe.has-photo::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,17,17,0.05) 30%, rgba(17,17,17,0.86) 100%);
  z-index: 1;
}

.universe.has-photo > * {
  position: relative;
  z-index: 2;
}

.universe h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

.universe p {
  font-size: 0.94rem;
  margin-bottom: 0;
}

.universe a {
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--champagne);
  border-bottom: 1px solid currentColor;
  width: fit-content;
  padding-bottom: 2px;
}

/* ---------- Programas ---------- */

.programs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.6rem;
}

.program-card {
  background: var(--white);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.program-media {
  aspect-ratio: 4 / 3;
  background: var(--carbon);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ivory);
  font-family: var(--serif);
  font-size: 0.95rem;
  text-align: center;
  padding: 1rem;
}

.program-body {
  padding: 1.7rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.program-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
}

.program-body p {
  font-size: 0.94rem;
  flex: 1;
}

.program-link {
  font-size: 0.9rem;
  color: var(--champagne);
  margin-top: 0.4rem;
  width: fit-content;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* ---------- Impacto ---------- */

.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  text-align: left;
}

.impact-figure {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4vw, 3rem);
  color: var(--champagne);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.impact-label {
  font-size: 0.88rem;
  color: var(--ivory);
  opacity: 0.75;
  max-width: 20ch;
}

.impact-note {
  margin-top: 2.5rem;
  font-size: 0.82rem;
  opacity: 0.55;
}

/* ---------- Libros ---------- */

.books-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.book-portrait {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.book-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.book-title {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.book-meta {
  font-size: 0.88rem;
  color: var(--taupe);
  margin-bottom: 1.4rem;
}

/* ---------- Conferencias ---------- */

.speaking {
  position: relative;
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  color: var(--ivory);
  background: var(--carbon);
}

.speaking-image {
  position: relative;
}

.speaking-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
}

.speaking-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 6vw, 5rem);
}

.topics-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0 0 2.2rem;
  font-size: 0.94rem;
  color: var(--ivory);
  opacity: 0.85;
}

.topics-list li:not(:last-child)::after {
  content: "·";
  margin-left: 0.9rem;
  color: var(--champagne);
}

/* ---------- Recursos ---------- */

.resources-box {
  border: 1px solid var(--line);
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: left;
}

.resources-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.6rem;
}

.resources-tags span {
  font-size: 0.82rem;
  border: 1px solid var(--line);
  padding: 0.4rem 0.9rem;
  color: var(--taupe);
}

/* ---------- Cierre ---------- */

.closing {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  color: var(--ivory);
  background: var(--carbon);
}

.closing img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  filter: grayscale(0.15) brightness(0.82);
}

.closing::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,17,17,0) 40%, rgba(17,17,17,0.92) 100%);
}

.closing-inner {
  position: relative;
  z-index: 2;
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.closing-statement {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  max-width: 18ch;
  margin-bottom: 1.6rem;
}

.closing-socials {
  display: flex;
  gap: 1.6rem;
  font-size: 0.9rem;
  opacity: 0.82;
}

/* ---------- Footer ---------- */

.footer {
  background: var(--carbon);
  color: var(--ivory);
  padding: 2.4rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  opacity: 0.7;
  border-top: 1px solid var(--line-on-dark);
}

/* ---------- Reveal on scroll ---------- */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--carbon);
    padding: 0.5rem 0;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: 0.9rem var(--gutter);
    display: block;
  }
  .nav-toggle { display: block; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-image { min-height: 60vh; order: -1; }
  .hero-image::after { display: none; }
  .hero-copy { padding-top: 3rem; }

  .about-grid,
  .books-grid { grid-template-columns: 1fr; }

  .universes { grid-template-columns: 1fr; }
  .programs { grid-template-columns: 1fr; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }

  .speaking { grid-template-columns: 1fr; }
  .speaking-image { min-height: 46vh; }

  .footer { flex-direction: column; gap: 0.8rem; text-align: center; }
}

@media (max-width: 600px) {
  .impact-grid { grid-template-columns: 1fr 1fr; }
}