/* ════════════════════════════════════════════════════════════
   Mónica Arboleda · Centro Estético
   styles.css — design tokens, base, navbar y hero
   Sistema "Atelier": muted-luxury editorial sobre hueso cálido.
   ════════════════════════════════════════════════════════════ */

/* ── 1. Design tokens ─────────────────────────────────────── */

:root {
  /* ════ Paleta de marca — Brandbook Mónica Arboleda (Valmon Design) ════
     Neutros cálidos: crema, nude, gardenia, nuez, bronze, greige y camel.
     Texto en Dark Greige (~6.3:1 sobre la crema); CTAs/foco en Dark Greige;
     acento cálido Camel. El papel #FDFAE9 viste solo el monograma. */
  --c-bruma:   #FDF9EB;  /* Cannoli Cream — lienzo de página */
  --c-blanco:  #FFFDF7;  /* superficies elevadas: blanco cálido (tarjetas, chat) */
  --c-aqua:    #EFE7DB;  /* Nude lavado: chips, burbujas del chat (tinte claro) */
  --c-niebla:  #E4DCD1;  /* greige claro: detalles */
  --c-cielo:   #D4BEAC;  /* Nude Moka: hovers suaves, detalles */
  --c-acero:   #A89C8F;  /* Nuez (taupe): líneas, sello, detalles */
  /* Bandas de sección: tonos cálidos lavados */
  --c-aqua-pal:   #F4EDE1;  /* nude muy lavado: banda de reserva/chat */
  --c-niebla-pal: #EEE9E1;  /* Gardenia: banda de "Sobre" */
  --c-acero-hondo: #595954; /* Dark Greige: CTA, foco, eyebrow, texto */
  --c-acero-noche: #45453F; /* hover/active del CTA (greige más oscuro) */
  --c-marino:  #595954;  /* Dark Greige: texto principal — ~6.3:1 sobre crema */
  --c-bruma-texto: #6F6960; /* Greige oscurecido: texto secundario legible (AA ~5:1) */
  --c-papel:   #FDFAE9;  /* papel del logo: SOLO monedas del monograma */
  --c-taupe:   #A89C8F;  /* Nuez: decorativo */
  --c-camel:   #B79476;  /* Camel: acento cálido (énfasis, detalles) */
  --c-ok:    #5C7A5A;
  --c-error: #A4513E;

  /* Líneas hairline cálidas (sobre fondos claros) */
  --line:      rgba(89, 89, 84, .20);
  --line-soft: rgba(89, 89, 84, .12);

  /* Roles */
  --bg-page:        var(--c-bruma);
  --bg-raised:      var(--c-blanco);
  --bg-band:        var(--c-niebla-pal);
  --bg-inverse:     var(--c-marino);
  --text-primary:   var(--c-marino);
  --text-secondary: var(--c-bruma-texto);
  --text-inverse:   #FFFFFF;
  --line-deco:      var(--c-acero);
  --accent:         var(--c-camel);       /* acento cálido decorativo */
  --accent-deep:    var(--c-acero-hondo); /* Dark Greige: contraste (CTA/foco/eyebrow) */

  /* Tipografía (sustitutos de marca; el manual usa Adelle Sans + Black Mango):
     serif elegante Cormorant Garamond para títulos/nombres + sans Hanken Grotesk
     para cuerpo, interfaz y etiquetas. */
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body:    "Hanken Grotesk", system-ui, sans-serif;
  --fs-hero:  clamp(2.5rem, 6vw, 4.75rem);
  --fs-h2:    clamp(1.85rem, 3.2vw, 2.6rem);
  --fs-h3:    clamp(1.2rem, 1.8vw, 1.4rem);
  --fs-h4:    clamp(1.18rem, 1.7vw, 1.4rem);
  --fs-lead:  clamp(1.08rem, 1.5vw, 1.28rem);
  --fs-body:  1.0625rem;
  --fs-small: .875rem;
  --fs-caps:  .75rem;
  --ls-caps:  .22em;     /* tracking amplio — eco de "CENTRO ESTÉTICO" */
  --ls-tight: -0.02em;
  --lh-display: 1.04;
  --lh-body:    1.7;

  /* Espaciado (base 4px) */
  --sp-1: .25rem;  --sp-2: .5rem;  --sp-3: .75rem; --sp-4: 1rem;
  --sp-6: 1.5rem;  --sp-8: 2rem;   --sp-12: 3rem;  --sp-16: 4.5rem;
  --section-y: clamp(5rem, 11vw, 9.5rem);
  --nav-h: 3.75rem;
  --nav-top: .9rem;

  /* Radios */
  --r-s: 12px;  --r-m: 20px;  --r-l: 28px;  --r-full: 999px;

  /* Sombras cálidas (greige translúcido, nunca negro puro) */
  --shadow-s: 0 1px 2px rgba(89, 89, 84, .06), 0 6px 18px rgba(89, 89, 84, .08);
  --shadow-m: 0 2px 6px rgba(89, 89, 84, .07), 0 22px 48px -14px rgba(89, 89, 84, .20);

  /* Motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --dur-fast: 260ms;  --dur-med: 720ms;
}

/* ── 2. Base ──────────────────────────────────────────────── */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-padding-top: calc(var(--nav-h) + var(--nav-top) + 1rem);
  color-scheme: light;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 360;
  line-height: var(--lh-body);
  color: var(--text-primary);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* Grano analógico muy sutil: tacto artesanal sin peso (patrón de referentes) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* El contenido va por encima del grano */
body > * { position: relative; z-index: 2; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--lh-display);
  letter-spacing: var(--ls-tight);
  margin: 0 0 var(--sp-4);
  text-wrap: balance;
}

/* Tamaño explícito de los títulos de sección (antes caían al ~26px por defecto) */
h2 { font-size: var(--fs-h2); }

p { margin: 0 0 var(--sp-4); }

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

a {
  color: var(--text-primary);
  text-decoration-color: var(--line-deco);
  text-underline-offset: .2em;
  transition: color var(--dur-fast) var(--ease-out),
              text-decoration-color var(--dur-fast) var(--ease-out);
}
/* El hover de enlace NO toca los botones ni el FAB de WhatsApp (su ícono usa
   currentColor; si no, se volvería azul en hover) */
a:not(.btn):not(.whatsapp-fab):hover { color: var(--accent); text-decoration-color: currentColor; }

::selection { background: var(--c-marino); color: #FFFFFF; }

:focus-visible {
  outline: 2px solid var(--accent-deep);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: min(100% - 2.5rem, 80rem);
  margin-inline: auto;
}

/* ── 3. Utilidades tipográficas ───────────────────────────── */

/* Eyebrow: kicker editorial con línea + texto en versales */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-size: var(--fs-caps);
  font-weight: 500;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0 0 var(--sp-6);
}
.eyebrow::before {
  content: "";
  width: 1.8rem;
  height: 1px;
  background: currentColor;
  opacity: .55;
}

.lead {
  font-size: var(--fs-lead);
  font-weight: 360;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 64ch;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--sp-2);
  z-index: 200;
  background: var(--bg-inverse);
  color: var(--text-inverse);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-s);
}
.skip-link:focus { left: var(--sp-2); }

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

/* ── 4. Botones ───────────────────────────────────────────── */

.btn {
  --btn-bg: var(--accent-deep);
  --btn-fg: var(--text-inverse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1;
  padding: 1.1em 2em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  border-radius: var(--r-full);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
/* El color del texto del botón está fijado por su propia clase y no
   cambia en hover: nunca queda texto del color de fondo (bug resuelto) */
.btn:hover { box-shadow: var(--shadow-m); }

.btn-primary { --btn-bg: var(--accent-deep); --btn-fg: #FFFFFF; }
.btn-primary:hover { --btn-bg: var(--c-acero-noche); }
.btn-primary:active { --btn-bg: var(--c-acero-noche); box-shadow: none; }

/* Secundario: contorno fino, fondo transparente */
.btn-ghost {
  --btn-bg: transparent;
  --btn-fg: var(--text-primary);
  border-color: var(--line);
}
.btn-ghost:hover { --btn-bg: rgba(89, 89, 84, .06); border-color: var(--text-primary); }

/* ── 5. Navbar flotante (isla) — solo retoque de color ────── */

.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding-top: var(--nav-top);
  pointer-events: none;
}

.navbar-inner {
  pointer-events: auto;
  width: min(100% - 2rem, 64rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  height: var(--nav-h);
  padding-inline: .6rem .55rem;
  background: rgba(255, 255, 255, .92);
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-s);
  transition: box-shadow var(--dur-fast) ease, border-color var(--dur-fast) ease;
}

@supports (backdrop-filter: blur(16px)) {
  .navbar-inner {
    background: rgba(255, 255, 255, .72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }
}

.navbar.is-scrolled .navbar-inner {
  border-color: rgba(140, 122, 101, .4);
  box-shadow: var(--shadow-m);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  text-decoration: none;
  color: var(--text-primary);
}
.brand:hover { color: var(--text-primary); }

.brand-mark {
  position: relative;
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid rgba(89, 89, 84, .28);
  background: var(--c-papel);
}

.brand-mark img {
  position: absolute;
  width: 255%;
  max-width: none;
  height: auto;
  left: -77.8%;
  top: -36.8%;
}

.brand-mark.logo-missing img { display: none; }
.brand-mark.logo-missing::after {
  content: "ma";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--line-deco);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 460;
}
.brand-tag {
  font-size: .58rem;
  font-weight: 500;
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  color: var(--text-secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a:not(.btn) {
  position: relative;
  display: inline-block;
  font-size: .95rem;
  font-weight: 420;
  text-decoration: none;
  color: var(--text-primary);
  padding: .5em 1em;
  border-radius: var(--r-full);
}
.nav-menu a:not(.btn)::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(168, 156, 143, .22);
  opacity: 0;
  transform: scale(.8);
  transition: opacity var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.nav-menu a:not(.btn):hover { color: var(--accent-deep); }
.nav-menu a:not(.btn):hover::before,
.nav-menu a:not(.btn):focus-visible::before {
  opacity: 1;
  transform: scale(1);
}

.nav-cta { padding: .8em 1.5em; font-size: .85rem; }

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(89, 89, 84, .28);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}
.nav-toggle-line,
.nav-toggle-line::before,
.nav-toggle-line::after {
  position: absolute;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) ease;
}
.nav-toggle-line {
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
}
.nav-toggle-line::before,
.nav-toggle-line::after { content: ""; left: 0; }
.nav-toggle-line::before { top: -6px; }
.nav-toggle-line::after  { top: 6px; }

.navbar.nav-open .nav-toggle-line { background: transparent; }
.navbar.nav-open .nav-toggle-line::before { transform: translateY(6px) rotate(45deg); }
.navbar.nav-open .nav-toggle-line::after  { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 899px) {
  .nav-toggle { display: block; }

  .nav-menu {
    position: fixed;
    left: 1rem; right: 1rem;
    top: calc(var(--nav-top) + var(--nav-h) + .6rem);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-4) var(--sp-6) var(--sp-6);
    background: rgba(255, 255, 255, .96);
    border: 1px solid var(--line);
    border-radius: var(--r-l);
    box-shadow: var(--shadow-m);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--dur-fast) ease,
                transform var(--dur-fast) var(--ease-out),
                visibility 0s linear var(--dur-fast);
  }
  @supports (backdrop-filter: blur(18px)) {
    .nav-menu {
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }
  }
  .navbar.nav-open .nav-menu {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity var(--dur-fast) ease, transform var(--dur-fast) var(--ease-out);
  }
  .nav-menu li { border-bottom: 1px solid var(--line-soft); }
  .nav-menu li:last-child { border-bottom: 0; padding-top: var(--sp-4); }
  .nav-menu a:not(.btn) {
    display: block;
    padding: var(--sp-4) var(--sp-2);
    border-radius: var(--r-s);
  }
  .nav-menu a:not(.btn)::before { content: none; }
  .nav-cta { width: 100%; }
}

/* ── 6. Hero editorial ────────────────────────────────────── */

.hero {
  position: relative;
  /* Espacio justo bajo la navbar flotante + un respiro */
  padding-top: calc(var(--nav-top) + var(--nav-h) + clamp(2.25rem, 6vh, 4.5rem));
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  min-height: 72svh;
  display: flex;
  align-items: center;
  overflow: clip;
  text-align: center;
  /* Velo cálido central + dos toques nude que enmarcan el texto centrado */
  background:
    radial-gradient(60% 65% at 50% 30%, rgba(255, 253, 247, .92), transparent 72%),
    radial-gradient(48% 50% at 88% 90%, rgba(212, 190, 172, .35), transparent 72%),
    radial-gradient(48% 50% at 10% 90%, rgba(212, 190, 172, .35), transparent 72%);
}

.hero-inner {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-copy {
  max-width: 60rem;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 500;
  margin: 0 0 var(--sp-8);
}
.hero-line { display: block; }
.hero-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.hero-copy .lead {
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
}


/* ── 7. Motion ────────────────────────────────────────────── */

@media (prefers-reduced-motion: no-preference) {

  /* Entrada orquestada del hero: cada elemento sube en cascada */
  html.js .hero-copy > * {
    opacity: 0;
    translate: 0 26px;
    animation: subir .95s var(--ease-out) forwards;
  }
  html.js .hero-copy > .eyebrow      { animation-delay: .15s; }
  html.js .hero-copy > .hero-title   { animation-delay: .3s; }
  html.js .hero-copy > .lead         { animation-delay: .5s; }
  html.js .hero-copy > .hero-actions { animation-delay: .65s; }

  @keyframes subir { to { opacity: 1; translate: 0 0; } }

  html.js [data-reveal] {
    opacity: 0;
    translate: 0 28px;
    transition: opacity var(--dur-med) var(--ease-out),
                translate var(--dur-med) var(--ease-out);
    transition-delay: var(--reveal-delay, 0s);
  }
  html.js [data-reveal].is-visible {
    opacity: 1;
    translate: 0 0;
  }
}