/* ───────────────────────────────────────────────────────────────────
   Para Isita — Carta
   Paleta: papel + tinta + acento azul sereno
   ─────────────────────────────────────────────────────────────────── */

:root {
  --paper:        oklch(0.965 0.012 85);     /* crema/arena papel */
  --paper-warm:   oklch(0.945 0.018 80);     /* sombra cálida del papel */
  --paper-deep:   oklch(0.91  0.022 78);     /* surcos del papel */
  --ink:          oklch(0.26  0.04  255);    /* tinta azul-noche, casi negra */
  --ink-soft:     oklch(0.38  0.045 255);    /* tinta más liviana */
  --ink-faint:    oklch(0.55  0.035 255);    /* tinta de notas al margen */
  --azure:        oklch(0.55  0.07  240);    /* azul sereno acento */
  --azure-deep:   oklch(0.42  0.07  248);    /* azul para sello */
  --gold-faint:   oklch(0.68  0.045 75);     /* arena dorada para detalles */
  --rule:         oklch(0.78  0.025 80);     /* líneas finas */

  --font-serif: "Cormorant Garamond", "EB Garamond", Georgia, serif;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-script: "Caveat", "Homemade Apple", cursive;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  font-size: 18px;
  line-height: 1.55;
}

/* Textura de papel sutil — fibras y pequeñas variaciones */
.paper-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background:
    radial-gradient(ellipse 80% 60% at 30% 20%, oklch(0.91 0.022 78 / 0.35), transparent 60%),
    radial-gradient(ellipse 70% 50% at 80% 80%, oklch(0.93 0.022 70 / 0.3), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.18 0 0 0 0 0.16 0 0 0 0 0.12 0 0 0 0.08 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 100% 100%, 100% 100%, 240px 240px;
}

.paper-texture.fibers {
  opacity: 0.35;
  background:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='400' height='400'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.2 0 0 0 0 0.15 0 0 0 0 0.1 0 0 0 0.05 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* Tipografía */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.005em;
  margin: 0;
}

p { margin: 0 0 1.1em; }
em, i { font-style: italic; }
strong, b { font-weight: 600; }

::selection {
  background: oklch(0.55 0.07 240 / 0.22);
  color: var(--ink);
}

/* Util */
.center { text-align: center; }
.serif { font-family: var(--font-serif); }
.display { font-family: var(--font-display); }
.script { font-family: var(--font-script); }
.mono { font-family: var(--font-mono); font-size: 0.78em; letter-spacing: 0.02em; }
.faint { color: var(--ink-faint); }
.soft { color: var(--ink-soft); }

/* Reglas finas estilo libro */
.rule {
  display: block;
  width: 36px;
  height: 1px;
  background: var(--rule);
  margin: 28px auto;
  border: 0;
}
.rule-ink {
  width: 60px;
  height: 1px;
  background: var(--ink);
  opacity: 0.35;
  margin: 32px auto;
  border: 0;
}

/* ────────────────── App layout ────────────────── */

#root {
  position: relative;
  z-index: 2;
  min-height: 100vh;
}

.stage {
  position: relative;
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
}

/* En desktop: el contenido vive en una columna estrecha tipo iPhone, centrada,
   con un halo cálido para que no se sienta vacío */
.column {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
}

@media (min-width: 760px) {
  body {
    background:
      radial-gradient(ellipse 50% 60% at 50% 30%, oklch(0.96 0.014 82) 0%, oklch(0.93 0.018 78) 70%, oklch(0.9 0.022 75) 100%);
  }
  .column {
    max-width: 540px;
    padding: 0 24px;
  }
}

/* ────────────────── Pantallas ────────────────── */

.screen {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.screen.tall { min-height: 100svh; }

/* Animaciones reutilizables */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUpLong {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes drawIn {
  from { stroke-dashoffset: var(--len, 1000); }
  to   { stroke-dashoffset: 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-4px); }
}
@keyframes shimmer {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.9; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 1.2s ease, transform 1.2s ease;
  will-change: opacity, transform;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ────────────────── Pantalla de contraseña ────────────────── */

.lock-screen {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  padding: 24px;
}

.lock-inner {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  animation: fadeIn 1.2s ease both;
}

.lock-greeting {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}

.envelope-wrap {
  width: 240px;
  height: 160px;
  position: relative;
  perspective: 1200px;
  margin: 8px 0 4px;
}

.envelope {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 1.4s cubic-bezier(0.7, 0, 0.3, 1);
}

.envelope.shake {
  animation: shake 0.5s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

.envelope-body {
  position: absolute;
  inset: 0;
  background: oklch(0.94 0.018 80);
  border: 0.5px solid var(--rule);
  border-radius: 2px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 12px 32px -12px oklch(0.4 0.04 80 / 0.4),
    0 2px 6px oklch(0.4 0.04 80 / 0.15);
}

.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: oklch(0.93 0.02 78);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transition: transform 1.6s cubic-bezier(0.7, 0, 0.3, 1);
  border-bottom: 0.5px solid oklch(0.78 0.025 80 / 0.5);
}

.envelope.opening .envelope-flap {
  transform: rotateX(-180deg);
}

.envelope-letter {
  position: absolute;
  inset: 8px;
  background: linear-gradient(180deg, oklch(0.97 0.012 85), oklch(0.96 0.014 82));
  border: 0.5px solid var(--rule);
  border-radius: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(0);
  transition: transform 1.4s cubic-bezier(0.5, 0, 0.2, 1) 0.6s, opacity 1s ease 0.6s;
  z-index: -1;
  opacity: 0;
}

.envelope.opening .envelope-letter {
  transform: translateY(-30px);
  opacity: 1;
  z-index: 1;
}

.envelope-letter-mark {
  font-family: var(--font-script);
  font-size: 18px;
  color: var(--azure-deep);
  letter-spacing: 0.02em;
}

/* Sello de cera */
.seal {
  position: absolute;
  left: 50%;
  top: 60%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, oklch(0.62 0.08 240) 0%, oklch(0.45 0.075 248) 50%, oklch(0.32 0.06 250) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  color: oklch(0.92 0.02 240);
  box-shadow:
    0 1px 1px rgba(255,255,255,0.3) inset,
    -2px -2px 4px oklch(0.3 0.06 250) inset,
    0 4px 10px oklch(0.3 0.06 250 / 0.5),
    0 1px 0 oklch(0.7 0.05 240) inset;
  z-index: 3;
  transition: transform 0.8s cubic-bezier(0.6, 0, 0.3, 1), opacity 0.6s ease;
}
.seal::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  border: 0.5px dashed oklch(0.85 0.04 240 / 0.5);
}
.envelope.opening .seal {
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
}

/* Hint card */
.hint {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14.5px;
  text-align: center;
  max-width: 280px;
  line-height: 1.45;
  min-height: 2.6em;
  transition: color 0.4s ease;
}
.hint.error {
  color: oklch(0.5 0.06 30);
}

/* Input */
.lock-input-wrap {
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.lock-input {
  appearance: none;
  width: 100%;
  max-width: 240px;
  padding: 10px 14px;
  border: 0;
  border-bottom: 1px solid var(--ink-faint);
  background: transparent;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink);
  text-align: center;
  outline: none;
  letter-spacing: 0.02em;
  transition: border-color 0.3s ease;
  caret-color: var(--azure);
}
.lock-input:focus {
  border-color: var(--ink);
}
.lock-input::placeholder {
  color: oklch(0.7 0.02 80);
  font-style: italic;
}

.lock-submit {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-faint);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 6px 12px;
  cursor: pointer;
  transition: color 0.3s ease;
}
.lock-submit:hover { color: var(--ink); }
.lock-submit:disabled { opacity: 0.4; cursor: default; }

.lock-screen.unlocking {
  animation: fadeOutLock 1.6s ease 1.2s forwards;
}
@keyframes fadeOutLock {
  to { opacity: 0; pointer-events: none; }
}

/* ────────────────── Intro ────────────────── */

.intro-screen {
  text-align: center;
  padding: 0 24px;
  opacity: 0;
  animation: fadeIn 1.6s ease 0.4s forwards;
}

.intro-dedication {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 1.4s ease 0.6s forwards;
}

.intro-name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(72px, 22vw, 140px);
  line-height: 0.95;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin: 0;
  display: inline-block;
  position: relative;
}

.intro-name .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(18px);
  animation: fadeUp 0.9s ease forwards;
}

.intro-flourish {
  display: block;
  width: 80px;
  height: 18px;
  margin: 18px auto 0;
  opacity: 0;
  animation: fadeIn 1.4s ease 2.6s forwards;
}
.intro-flourish path {
  stroke: var(--ink);
  stroke-width: 0.8;
  fill: none;
  stroke-linecap: round;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawIn 2.2s ease 2.6s forwards;
  --len: 200;
}

.intro-subtitle {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 16px;
  opacity: 0;
  animation: fadeUp 1.4s ease 3.2s forwards;
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeIn 2s ease 4s forwards, float 3s ease 4s infinite;
}
.scroll-cue::after {
  content: "";
  display: block;
  width: 1px;
  height: 22px;
  background: var(--ink-faint);
  margin: 10px auto 0;
}

/* ────────────────── Carta ────────────────── */

.letter {
  padding: 80px 0 60px;
}

.letter-meta {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.letter-eyebrow {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
  margin-bottom: 6px;
}

.letter-salutation {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 44px;
  line-height: 1.1;
  margin: 4px 0 28px;
  color: var(--ink);
}

.letter p.body,
.letter > .column > p:not([class]),
.letter p.first {
  font-size: 18.5px;
  line-height: 1.65;
  letter-spacing: 0.005em;
  text-align: left;
  text-wrap: pretty;
  margin-bottom: 1.15em;
  hyphens: auto;
}

.letter p.first::first-letter {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  float: left;
  font-size: 3.4em;
  line-height: 0.85;
  padding: 6px 8px 0 0;
  color: var(--ink);
}

.letter .lead {
  font-size: 22px;
  font-style: italic;
  color: var(--ink);
  text-align: center;
  margin: 8px 0 28px;
}

/* Bloque del primer "Te amo" */
.te-amo {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 38px;
  line-height: 1.1;
  color: var(--ink);
  margin: 8px 0;
  letter-spacing: -0.01em;
}

.te-amo-note {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-soft);
  text-align: center;
  font-size: 16.5px;
  margin: 4px 0 12px;
}

/* Tres talentos */
.talent {
  margin: 36px 0;
  padding: 0;
}
.talent-num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-align: left;
  margin-bottom: 4px;
}
.talent-glyph {
  display: block;
  width: 28px;
  height: 28px;
  margin: 0 0 10px;
  opacity: 0.85;
}
.talent-glyph path,
.talent-glyph circle,
.talent-glyph line {
  stroke: var(--ink);
  fill: none;
  stroke-width: 0.9;
  stroke-linecap: round;
}
.talent h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 26px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.005em;
}
.talent p {
  font-size: 18px;
  line-height: 1.6;
}

/* Frase ancla */
.anchor-quote {
  margin: 56px -8px;
  padding: 36px 4px 32px;
  position: relative;
  text-align: center;
  background: oklch(0.97 0.01 240 / 0.5);
  border-top: 0.5px solid oklch(0.55 0.07 240 / 0.25);
  border-bottom: 0.5px solid oklch(0.55 0.07 240 / 0.25);
}
.anchor-quote::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -1px;
  width: 50px;
  height: 1px;
  background: var(--azure);
  transform: translateX(-50%);
  opacity: 0.7;
}
.anchor-quote-eyebrow {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--azure-deep);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.anchor-quote-text {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 26px;
  line-height: 1.32;
  color: var(--ink);
  letter-spacing: -0.005em;
  text-wrap: balance;
  margin: 0 auto;
  max-width: 22ch;
}
.anchor-quote-text .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.7s ease, transform 0.9s ease;
  margin-right: 0.22em;
}
.anchor-quote-text .word.in {
  opacity: 1;
  transform: translateY(0);
}

/* Recordatorio "eres linda, inteligente, buena amiga" */
.reminder-list {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  text-align: center;
}
.reminder-list li {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 22px;
  color: var(--ink);
  margin: 4px 0;
  letter-spacing: -0.005em;
}
.reminder-list li::before {
  content: "—";
  color: var(--azure);
  margin-right: 10px;
  opacity: 0.6;
}

/* Promesa de presencia */
.promise {
  font-style: italic;
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink);
  text-align: left;
  margin: 28px 0;
}

/* Cierre */
.closing {
  margin-top: 40px;
  text-align: center;
}
.closing-te-amo {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 44px;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.closing-papa {
  font-family: var(--font-script);
  font-size: 38px;
  color: var(--azure-deep);
  margin-top: 4px;
  line-height: 1;
}

/* ────────────────── Carta de Fernanda ────────────────── */

.fernanda-section {
  padding: 80px 0 60px;
  position: relative;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  margin: 60px 0 40px;
}
.section-divider .line {
  flex: 0 0 60px;
  height: 1px;
  background: var(--ink-faint);
  opacity: 0.5;
}
.section-divider .label {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.fernanda-eyebrow {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
  margin-bottom: 4px;
}
.fernanda-title {
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 38px;
  margin-bottom: 24px;
  color: var(--ink);
}
.fernanda-author {
  text-align: center;
  font-family: var(--font-script);
  font-size: 28px;
  color: var(--azure-deep);
  margin-top: 24px;
}

.fernanda-card {
  position: relative;
  margin: 24px 0;
  padding: 38px 28px 30px;
  background: oklch(0.97 0.014 230);
  border: 0.5px solid oklch(0.55 0.05 230 / 0.25);
  border-radius: 2px;
  box-shadow:
    0 1px 0 rgba(255,255,255,0.6) inset,
    0 14px 30px -16px oklch(0.4 0.05 240 / 0.25);
}
.fernanda-card::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border: 0.5px solid oklch(0.55 0.05 230 / 0.18);
  pointer-events: none;
  border-radius: 1px;
}

.fernanda-greeting {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  color: var(--ink);
  text-align: center;
  margin: 0 0 18px;
}
.fernanda-card p {
  font-size: 17.5px;
  line-height: 1.65;
  color: var(--ink);
  text-align: left;
  text-wrap: pretty;
  margin-bottom: 1em;
}
.fernanda-pd {
  font-family: var(--font-script);
  font-size: 22px;
  color: var(--azure-deep);
  text-align: center;
  margin: 20px 0 0;
  line-height: 1.2;
}
.fernanda-bimba {
  display: inline-block;
  font-family: var(--font-script);
  color: var(--azure-deep);
  font-size: 18px;
  margin-top: 6px;
}

.fernanda-pdf-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-faint);
  text-decoration: none;
  border-bottom: 0.5px solid var(--ink-faint);
  padding-bottom: 1px;
  transition: color 0.3s ease, border-color 0.3s ease;
}
.fernanda-pdf-link:hover {
  color: var(--ink);
  border-color: var(--ink);
}
.fernanda-pdf-link-wrap {
  text-align: center;
  margin-top: 12px;
}

/* ────────────────── Foto familia ────────────────── */

.family-photo {
  margin: 70px auto 20px;
  max-width: 320px;
  text-align: center;
  position: relative;
}

.family-photo-frame {
  display: block;
  background: oklch(0.98 0.008 85);
  padding: 14px 14px 56px;
  border: 0.5px solid var(--rule);
  box-shadow:
    0 1px 0 rgba(255,255,255,0.7) inset,
    0 18px 36px -18px oklch(0.4 0.04 80 / 0.35),
    0 4px 12px -4px oklch(0.4 0.04 80 / 0.18);
  transform: rotate(-1.3deg);
  transition: transform 0.6s cubic-bezier(0.3, 0, 0.2, 1);
  position: relative;
}
.family-photo-frame::before,
.family-photo-frame::after {
  content: "";
  position: absolute;
  width: 38px;
  height: 12px;
  background: oklch(0.78 0.04 80 / 0.35);
  border: 0.5px solid oklch(0.65 0.04 80 / 0.4);
  top: -4px;
  border-radius: 1px;
  box-shadow: 0 2px 4px oklch(0.4 0.04 80 / 0.15);
}
.family-photo-frame::before { left: 14px; transform: rotate(-6deg); }
.family-photo-frame::after  { right: 14px; transform: rotate(5deg); }

.family-photo:hover .family-photo-frame {
  transform: rotate(0deg) scale(1.015);
}

.family-photo img {
  display: block;
  width: 100%;
  height: auto;
  border: 0.5px solid oklch(0.78 0.025 80);
  filter: saturate(0.94) contrast(1.02);
}

.family-photo-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  font-family: var(--font-script);
  font-size: 22px;
  color: var(--azure-deep);
  line-height: 1;
  letter-spacing: 0.01em;
}
.family-photo-sub {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 13.5px;
  letter-spacing: 0.02em;
}

/* ────────────────── Footer ────────────────── */

.footer {
  padding: 80px 0 80px;
  text-align: center;
}
.footer-date {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.footer-sig {
  margin-top: 12px;
  font-family: var(--font-script);
  font-size: 26px;
  color: var(--azure-deep);
  line-height: 1.2;
}
.footer-mark {
  display: block;
  width: 24px;
  height: 24px;
  margin: 24px auto 0;
  opacity: 0.4;
}

/* ────────────────── Barra de progreso de lectura ────────────────── */

.progress-rail {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 30;
  pointer-events: none;
  background: transparent;
}
.progress-fill {
  height: 100%;
  background: var(--azure);
  width: 0%;
  transition: width 0.1s linear;
  opacity: 0.55;
}

.section-dots {
  position: fixed;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 25;
  pointer-events: none;
}
.section-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink-faint);
  opacity: 0.3;
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.4s ease;
}
.section-dot.active {
  opacity: 0.85;
  background: var(--azure);
  transform: scale(1.6);
}

/* Hide section dots on small screens to keep mobile clean */
@media (max-width: 480px) {
  .section-dots { right: 8px; gap: 8px; }
}

/* ────────────────── Toggle música ────────────────── */

.audio-toggle {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 40;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 0.5px solid var(--rule);
  background: oklch(0.96 0.012 85 / 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease;
  color: var(--ink-faint);
}
.audio-toggle:hover { background: oklch(0.96 0.012 85 / 0.95); border-color: var(--ink-faint); }
.audio-toggle.on { color: var(--azure-deep); border-color: oklch(0.55 0.07 240 / 0.4); }
.audio-toggle svg { width: 16px; height: 16px; display: block; }

/* ────────────────── Inline ink stroke ────────────────── */

.ink-stroke {
  display: block;
  width: 100px;
  height: 12px;
  margin: 18px auto;
  opacity: 0.5;
}
.ink-stroke path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.7;
  stroke-linecap: round;
}