/* ==============================================================
   DKATTY'S HAIR STUDIO — SISTEMA DE DISEÑO
   Editorial · Premium · Mobile-first
   ============================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Outfit:wght@300;400;500;600;700&family=Pinyon+Script&display=swap');

:root {
  /* Paleta oficial */
  --black: #020202;
  --white: #FFFFFF;
  --pastel-yellow: #F8E38B;
  --gold: #E1B758;
  --gold-light: #E1C267;

  /* Tonos derivados de trabajo (uso interno, no cambia la paleta oficial) */
  --black-soft: #121212;
  --ink-60: rgba(2, 2, 2, 0.6);
  --ink-40: rgba(2, 2, 2, 0.4);
  --ink-15: rgba(2, 2, 2, 0.12);
  --white-60: rgba(255, 255, 255, 0.68);
  --white-15: rgba(255, 255, 255, 0.14);
  --gold-10: rgba(225, 183, 88, 0.1);
  --gold-30: rgba(225, 183, 88, 0.3);

  /* Tipografía */
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-script: 'Pinyon Script', cursive;

  /* Escala tipográfica (mobile-first, fluida) */
  --fs-h1: clamp(2.25rem, 6vw + 0.5rem, 4.2rem);
  --fs-h2: clamp(1.6rem, 3.4vw + 0.4rem, 2.6rem);
  --fs-h3: clamp(1.2rem, 1.6vw + 0.6rem, 1.5rem);
  --fs-lead: clamp(1.05rem, 1.2vw + 0.5rem, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.8rem;

  /* Espaciado */
  --space-section: clamp(4rem, 9vw, 7.5rem);
  --space-block: clamp(2rem, 5vw, 3.5rem);
  --container-max: 1180px;
  --container-pad: clamp(1.25rem, 5vw, 3rem);

  /* Otros */
  --radius-sm: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.5s;
  --header-h: 76px;
  --bottombar-h: 64px;
}

/* ------------------------------------------------------------
   Reset
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

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

/* Foco visible accesible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: var(--black);
  padding: 0.75rem 1.25rem;
  z-index: 999;
  font-weight: 600;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ------------------------------------------------------------
   Tipografía
   ------------------------------------------------------------ */
h1, .h1,
h2, .h2,
h3, .h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0.005em;
  color: var(--black);
}
.on-dark { color: var(--white); }
.on-dark h1, .on-dark .h1,
.on-dark h2, .on-dark .h2,
.on-dark h3, .on-dark .h3 { color: var(--white); }

h1, .h1 { font-size: var(--fs-h1); line-height: 1.08; }
h2, .h2 { font-size: var(--fs-h2); line-height: 1.18; }
h3, .h3 { font-size: var(--fs-h3); line-height: 1.3; font-weight: 600; }

.lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--ink-60);
  font-weight: 300;
}
.on-dark .lead { color: var(--white-60); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.signature {
  font-family: var(--font-script);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--gold);
  font-weight: 400;
  line-height: 1;
}

p { color: var(--ink-60); }
.on-dark p { color: var(--white-60); }

/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-section);
  position: relative;
}
.section--black { background: var(--black); }
.section--white { background: var(--white); }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-block);
}
.section-head.center { margin-inline: auto; text-align: center; }

.grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ------------------------------------------------------------
   Botones
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.95rem 2rem;
  border-radius: var(--radius-sm);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold);
}
.btn-outline:hover { background: var(--gold-10); }

.btn-ghost-dark {
  background: transparent;
  border-color: var(--white-15);
  color: var(--white);
}
.btn-ghost-dark:hover { border-color: var(--gold); color: var(--gold); }

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

/* ------------------------------------------------------------
   Header / Navegación (Salón)
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  background: rgba(2, 2, 2, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--white-15);
  transition: background var(--dur) var(--ease);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--white);
  letter-spacing: 0.01em;
  font-weight: 500;
}
.brand small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-top: 2px;
}

.nav-desktop {
  display: none;
}
.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: 2.1rem;
}
.nav-desktop a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white-60);
  position: relative;
  padding-block: 0.35rem;
  transition: color var(--dur) var(--ease);
}
.nav-desktop a:hover,
.nav-desktop a.active { color: var(--white); }
.nav-desktop a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--gold);
}
.nav-desktop a.nav-secondary {
  color: var(--gold);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
}
.nav-desktop .btn { margin-left: 0.5rem; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 110;
}
.nav-toggle span {
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 105;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem var(--container-pad);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s var(--dur);
}
.nav-mobile.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s;
}
.nav-mobile ul { display: flex; flex-direction: column; gap: 1.5rem; }
.nav-mobile a {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 8vw, 2.5rem);
  color: var(--white);
  font-weight: 500;
}
.nav-mobile a.nav-secondary { color: var(--gold); font-style: italic; }
.nav-mobile .btn { margin-top: 1rem; align-self: flex-start; }

@media (min-width: 980px) {
  .nav-desktop { display: block; }
  .nav-toggle { display: none; }
}

/* Barra inferior fija móvil */
.bottom-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--bottombar-h);
  background: var(--black);
  border-top: 1px solid var(--gold-30);
  z-index: 90;
  display: flex;
  align-items: center;
  padding-inline: 1rem;
}
.bottom-bar .btn { width: 100%; }
@media (min-width: 980px) {
  .bottom-bar { display: none; }
}

/* Compensar header/bottom-bar fijos */
main { padding-top: var(--header-h); }
body.has-bottombar main { padding-bottom: var(--bottombar-h); }
@media (min-width: 980px) {
  body.has-bottombar main { padding-bottom: 0; }
}

/* ------------------------------------------------------------
   Header masterclass (identidad propia)
   ------------------------------------------------------------ */
.mc-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ink-15);
  height: var(--header-h);
  display: flex;
  align-items: center;
}
.mc-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.mc-wordmark { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.03em; }
.mc-wordmark span { color: var(--gold); }
.mc-header-ctas { display: none; gap: 0.75rem; align-items: center; }
@media (min-width: 980px) { .mc-header-ctas { display: flex; } }

.mc-back-link {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--ink-40);
  white-space: nowrap;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--ink-15);
  border-radius: 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.mc-back-link:hover { color: var(--gold); border-color: var(--gold); }
@media (max-width: 480px) {
  .mc-back-link-text { display: none; }
  .mc-back-link { padding: 0.4rem 0.55rem; }
}

.mc-nav-toggle span { background: var(--black); }

.nav-mobile.mc-nav-mobile { background: var(--white); }
.nav-mobile.mc-nav-mobile a { color: var(--black); font-size: clamp(1.4rem, 7vw, 2rem); }
.nav-mobile.mc-nav-mobile a.gold { color: var(--gold); font-family: var(--font-body); font-size: 1.1rem; font-weight: 600; }

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  position: relative;
  background: var(--black);
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2,2,2,0.35) 0%, rgba(2,2,2,0.55) 55%, rgba(2,2,2,0.92) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: 3.5rem clamp(3rem, 8vw, 5rem);
  width: 100%;
}
.hero-content .eyebrow { color: var(--gold); margin-bottom: 1.25rem; }
.hero-content h1 { color: var(--white); max-width: 14ch; }
.hero-content .lead { color: var(--white-60); max-width: 46ch; margin-top: 1.25rem; }
.hero-content .btn-row { margin-top: 2.25rem; }

.walkin-note {
  display: inline-flex;
  margin-top: 1.5rem;
  border: 1px solid var(--gold-30);
  background: var(--gold-10);
  border-radius: 2px;
  padding: 0.85rem 1.15rem;
  max-width: 48ch;
}
.walkin-note p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--white);
}
.walkin-note strong { color: var(--gold); }

/* ------------------------------------------------------------
   Placeholder de imagen editorial (cuando no hay foto real)
   ------------------------------------------------------------ */
.img-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 220px;
  background:
    repeating-linear-gradient(135deg, var(--ink-15) 0px, var(--ink-15) 1px, transparent 1px, transparent 14px),
    var(--white);
  border: 1px solid var(--ink-15);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-40);
  font-size: var(--fs-small);
  padding: 1rem;
}
.on-dark .img-placeholder,
.hero-media .img-placeholder {
  background:
    repeating-linear-gradient(135deg, var(--white-15) 0px, var(--white-15) 1px, transparent 1px, transparent 14px),
    var(--black-soft);
  border-color: var(--white-15);
  color: var(--white-60);
}
.img-placeholder span { max-width: 22ch; }

/* ------------------------------------------------------------
   Línea / curva dorada — elemento de firma de marca
   ------------------------------------------------------------ */
.gold-curve {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.9;
}
.gold-curve-divider {
  display: flex;
  justify-content: center;
  padding-block: clamp(2rem, 5vw, 3rem);
}
.gold-curve-divider svg { width: 160px; height: auto; }

.hairline {
  border: none;
  height: 1px;
  background: var(--gold-30);
  margin-block: var(--space-block);
}

/* ------------------------------------------------------------
   Tarjetas
   ------------------------------------------------------------ */
.card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card-media {
  aspect-ratio: 4/5;
  overflow: hidden;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card-media img,
.card-media:hover img { transform: scale(1.035); }
.card h3 { font-size: 1.1rem; }
.card .price { font-family: var(--font-body); color: var(--gold); font-weight: 600; font-size: 0.95rem; margin-top: 0.25rem; }

.service-card {
  border-top: 1px solid var(--ink-15);
  padding-top: 1.5rem;
}

/* Especialidades destacadas (Servicios) — tarjetas grandes */
.featured-service-card {
  border: 1px solid var(--ink-15);
  border-radius: 2px;
  padding: 2rem 1.75rem;
  transition: border-color 0.4s var(--ease);
}
.featured-service-card:hover { border-color: var(--gold); }
.featured-service-card h3 { font-size: 1.3rem; }
.featured-service-card .price { font-family: var(--font-body); color: var(--gold); font-weight: 600; font-size: 0.95rem; }

/* ------------------------------------------------------------
   Servicios destacados (Inicio) — impacto tipográfico
   ------------------------------------------------------------ */
.service-highlight {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1rem, 1.1vw + 0.65rem, 1.3rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.3;
  color: var(--black);
  position: relative;
  padding-bottom: 0.85rem;
}
.on-dark .service-highlight { color: var(--white); }
.service-highlight::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 2px;
  width: 32px;
  background: var(--gold);
  transition: width 0.45s var(--ease);
}
.service-highlight:hover::after { width: 100%; }

/* Cascada: cada hijo aparece un poco después del anterior */
.stagger-4 > *:nth-child(1) { transition-delay: 0s; }
.stagger-4 > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-4 > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-4 > *:nth-child(4) { transition-delay: 0.3s; }

/* ------------------------------------------------------------
   FAQ (accordion)
   ------------------------------------------------------------ */
.faq-item {
  border-bottom: 1px solid var(--ink-15);
}
.on-dark .faq-item { border-color: var(--white-15); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding-block: 1.35rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.02rem;
}
.faq-icon {
  flex-shrink: 0;
  width: 20px; height: 20px;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--gold);
  transition: transform var(--dur) var(--ease);
}
.faq-icon::before { top: 50%; left: 0; width: 100%; height: 1px; transform: translateY(-50%); }
.faq-icon::after { left: 50%; top: 0; height: 100%; width: 1px; transform: translateX(-50%); }
.faq-item.is-open .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur) var(--ease);
}
.faq-answer p { padding-bottom: 1.35rem; max-width: 62ch; }
.faq-item.is-open .faq-answer { max-height: 400px; }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding-block: var(--space-block) 2rem;
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}
.footer-brand .brand { margin-bottom: 0.9rem; }
.footer-brand p { max-width: 34ch; color: var(--white-60); }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  font-weight: 600;
}
.footer-col a, .footer-col p {
  display: block;
  color: var(--white-60);
  font-size: 0.92rem;
  margin-bottom: 0.6rem;
  transition: color var(--dur) var(--ease);
}
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--white-15);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--white-60);
}

/* ------------------------------------------------------------
   Animaciones de entrada (respetan prefers-reduced-motion)
   ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ------------------------------------------------------------
   Utilidades
   ------------------------------------------------------------ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.max-w-prose { max-width: 62ch; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
/* Sobre Katty (Inicio): en móvil el texto va antes que la foto (mejor
   flujo de lectura); en desktop vuelve al layout editorial foto-izq/texto-der */
.intro-text-first { order: -1; }
@media (min-width: 640px) {
  .intro-text-first { order: 0; }
}

.badge-placeholder {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-30);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------
   Página de la masterclass — matices propios
   ------------------------------------------------------------ */
.mc-section-white { background: var(--white); }
.mc-numbered {
  display: grid;
  gap: 2rem;
}
@media (min-width: 760px) { .mc-numbered { grid-template-columns: repeat(2, 1fr); } }
.mc-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.75rem;
  font-weight: 500;
}
.mc-detail-list {
  display: grid;
  gap: 1.1rem;
}
.mc-detail-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--white-15);
  font-size: 0.98rem;
}
.mc-detail-row dt { color: var(--white-60); font-weight: 500; }
.mc-detail-row dd { margin: 0; font-weight: 600; color: var(--white); }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.tag {
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  border: 1px solid var(--gold-30);
  color: var(--gold);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-sm);
}