/* =============================================================
   NORTHLINE BARBER CLUB — style.css
   1. Tokens  2. Reset  3. Utilities  4. Typography  5. Components
   6. Sections  7. Placeholder photography frames  8. Responsive
   9. Reduced motion
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  --cream:      #F4F0E8;
  --white-warm: #FAF9F6;
  --carbon:     #171717;
  --black-soft: #222222;
  --copper:     #A66A43;
  --copper-deep:#8A5A37;
  --copper-soft:rgba(166,106,67,0.12);

  --ink:        #1C1A17;
  --ink-soft:   #4A453D;
  --gray:       #8C8577;
  --line:       rgba(23,23,23,0.12);

  --on-dark:      #F4F0E8;
  --on-dark-soft: rgba(244,240,232,0.68);
  --on-dark-line: rgba(244,240,232,0.16);

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --radius-sm: 6px;
  --radius: 14px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1180px;
  --nav-h: 84px;
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; line-height: 1.08; letter-spacing: -0.01em; font-family: var(--font-display); font-weight: 440; }
ul, ol, dl { list-style: none; padding: 0; }
::selection { background: var(--copper); color: var(--white-warm); }

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

/* =============================================================
   3. Utilities
   ============================================================= */
.container {
  width: min(100%, calc(var(--container) + 2 * clamp(24px, 4vw, 40px)));
  margin-inline: auto;
  padding-inline: clamp(24px, 4vw, 40px);
}
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem; background: var(--carbon); color: var(--cream);
  z-index: 9999; border-radius: var(--radius-sm); font-weight: 600;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* =============================================================
   4. Typography
   ============================================================= */
.kicker {
  font-family: var(--font-body);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper-deep);
  margin-bottom: 1rem;
}
.kicker-on-dark { color: var(--copper); }

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  margin-bottom: 1.1rem;
}
.section-title em { font-style: italic; color: var(--copper-deep); }
.section-sub { max-width: 52ch; color: var(--ink-soft); font-size: 1.02rem; }

.section-head { max-width: 42rem; margin-bottom: 3rem; }

/* =============================================================
   5. Components
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .95rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .01em;
  transition: transform .3s var(--ease-out), background .3s var(--ease-out), color .3s var(--ease-out), box-shadow .3s var(--ease-out), opacity .3s var(--ease-out);
  white-space: nowrap;
}
.btn-primary {
  background: var(--copper-deep);
  color: var(--white-warm);
  box-shadow: 0 10px 26px -12px rgba(138,90,55,0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(138,90,55,0.6); }
.btn-lg { padding: 1.1rem 2.2rem; font-size: 1rem; }
.btn-small { padding: .6rem 1.25rem; font-size: .85rem; }
.btn-block { width: 100%; }
.btn-text { font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line); padding-bottom: .15rem; }
.btn-text:hover { color: var(--copper-deep); border-color: var(--copper-deep); }
.btn-text-on-dark { color: var(--on-dark); border-color: var(--on-dark-line); }
.btn-text-on-dark:hover { color: var(--copper); border-color: var(--copper); }

/* Editorial numbered list (Experience section) */
.editorial-list { display: flex; flex-direction: column; margin-top: 2.2rem; }
.editorial-list li {
  display: flex;
  align-items: baseline;
  gap: 1.6rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line);
}
.editorial-list li:last-child { border-bottom: 1px solid var(--line); }
.editorial-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.6rem;
  color: var(--copper);
  opacity: .55;
  min-width: 2.4ch;
}
.editorial-list h3 { font-size: 1.15rem; margin-bottom: .3rem; font-weight: 500; }
.editorial-list p { color: var(--ink-soft); font-size: .95rem; }

/* Service rows */
.service-list { border-top: 1px solid var(--line); }
.service-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: padding-left .35s var(--ease-out), background .35s var(--ease-out);
}
.service-row::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--copper);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .35s var(--ease-out);
}
.service-row:hover { padding-left: 1.2rem; background: var(--copper-soft); }
.service-row:hover::before { transform: scaleY(1); }
.service-row-main h3 { font-size: 1.3rem; margin-bottom: .3rem; }
.service-row-main p { color: var(--ink-soft); font-size: .92rem; }
.service-price {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--copper-deep);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.service-price small { font-weight: 600; font-size: .68rem; color: var(--gray); margin-left: .15rem; }
.service-note, .demo-note { font-size: .85rem; color: var(--gray); font-style: italic; }
.service-note { margin-top: 1rem; }
.demo-note { margin-top: .3rem; }
.section-cta { margin-top: 1.8rem; }

/* Servicios — algo más compacto que el resto de secciones */
#servicios.section { padding-block: clamp(3.8rem, 7vw, 6rem); }

/* Benefit definition list */
.benefit-list { display: flex; flex-direction: column; gap: 1.6rem; margin-top: 2rem; }
.benefit-list > div { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.benefit-list dt { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: .4rem; }
.benefit-list dd { color: var(--ink-soft); font-size: .95rem; max-width: 42ch; }

/* Reviews */
.review {
  background: var(--white-warm);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.1rem 1.7rem;
}
.review-stars { color: var(--copper); letter-spacing: .15em; font-size: .95rem; margin-bottom: 1rem; }
.review p { font-family: var(--font-display); font-style: italic; font-size: 1.1rem; color: var(--ink); line-height: 1.5; margin-bottom: 1.3rem; }
.review-author { display: block; font-weight: 700; font-size: .92rem; }
.review-role { display: block; font-size: .78rem; color: var(--gray); margin-top: .2rem; }

/* Contact info list */
.contact-info { display: flex; flex-direction: column; gap: 1.4rem; margin-block: 1.6rem 2rem; }
.contact-info dt { font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--gray); margin-bottom: .35rem; }
.contact-info dd { font-size: 1rem; }
.contact-info a { color: var(--copper-deep); font-weight: 600; }
.location-block {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: .9rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--copper-deep);
  font-weight: 600;
  font-size: .92rem;
}

/* Forms */
.contact-form { background: var(--white-warm); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.2rem; }
.form-row { margin-bottom: 1.2rem; }
.form-row label { display: block; font-size: .82rem; font-weight: 700; margin-bottom: .5rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.form-row input, .form-row textarea {
  width: 100%;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .85rem .95rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .3s var(--ease-out);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--copper); outline: none; }
/* El estado de error solo se aplica vía JS (clase .is-invalid), después de
   que el usuario interactúa con el campo — nunca al cargar la página. */
.form-row input.is-invalid, .form-row textarea.is-invalid { border-color: #a83a2a; }
.form-row textarea { resize: vertical; min-height: 110px; }
.form-status { margin-top: 1rem; font-size: .88rem; min-height: 1.2em; color: var(--copper-deep); }
.form-status.is-error { color: #a83a2a; }

/* Social row */
.social-row { display: flex; gap: .7rem; }
.social-row a {
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--on-dark-line);
  border-radius: 50%;
  color: var(--on-dark-soft);
  transition: border-color .3s var(--ease-out), color .3s var(--ease-out), transform .3s var(--ease-out);
}
.social-row a:hover { border-color: var(--copper); color: var(--copper); transform: translateY(-2px); }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Nav --- */
.nav {
  position: fixed; inset-inline: 0; top: 0; z-index: 500;
  height: var(--nav-h);
  display: flex; align-items: center;
  background: var(--white-warm);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.nav.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 1px 0 var(--line), 0 12px 24px -18px rgba(23,23,23,0.18);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 1.5rem; }
.nav-logo { display: flex; flex-direction: column; line-height: 1; }
.nav-logo-line { font-family: var(--font-body); font-weight: 800; font-size: .98rem; letter-spacing: .08em; color: var(--ink); }
.nav-logo-line-sub { font-size: .62rem; font-weight: 700; letter-spacing: .18em; color: var(--copper-deep); margin-top: .3rem; }
.nav-links { display: none; align-items: center; justify-content: center; gap: 2rem; flex: 1; }
.nav-links a { font-size: .88rem; font-weight: 600; color: var(--ink-soft); transition: color .3s var(--ease-out); position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1px; background: var(--copper-deep);
  transition: width .3s var(--ease-out);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: none; }

.nav-toggle { display: flex; flex-direction: column; gap: 5px; width: 30px; height: 22px; justify-content: center; z-index: 600; }
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--ink); transition: transform .35s var(--ease-out), opacity .35s var(--ease-out); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; top: var(--nav-h);
  background: var(--cream);
  display: flex; flex-direction: column; gap: 1.4rem;
  padding: 2.4rem;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s var(--ease-out), transform .35s var(--ease-out);
  z-index: 450;
}
.mobile-menu.is-open { opacity: 1; transform: none; pointer-events: auto; }
.mobile-menu a { font-size: 1.3rem; font-family: var(--font-display); color: var(--ink); }
.mobile-menu a.btn { align-self: flex-start; font-family: var(--font-body); font-size: 1rem; margin-top: .5rem; }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(0deg, rgba(23,23,23,.82) 0%, rgba(23,23,23,.42) 42%, rgba(23,23,23,.1) 70%),
    linear-gradient(100deg, rgba(23,23,23,.55) 0%, rgba(23,23,23,.05) 45%, transparent 65%);
}
.hero-detail-tag {
  position: absolute; top: calc(var(--nav-h) + 1.6rem); right: clamp(24px, 4vw, 40px); z-index: 2;
  font-size: .74rem; font-weight: 700; letter-spacing: .14em;
  color: var(--on-dark-soft);
  border: 1px solid var(--on-dark-line);
  border-radius: 999px;
  padding: .5rem 1rem;
}
.hero-inner { position: relative; z-index: 2; max-width: 38rem; padding-block: 3.4rem; }
.hero-title { font-size: clamp(2.6rem, 8vw, 5rem); color: var(--on-dark); margin-bottom: 1.3rem; }
.hero-sub { font-size: 1.08rem; color: var(--on-dark-soft); max-width: 38ch; margin-bottom: 2.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem; }

/* --- Generic section --- */
.section { padding-block: clamp(4.5rem, 9vw, 7.5rem); }
.section-alt { background: var(--white-warm); }

.grid { display: grid; gap: 1.3rem; }
.grid-reviews { grid-template-columns: 1fr; }

/* --- Experience --- */
.experience-inner { display: grid; grid-template-columns: 1fr; gap: 2.6rem; align-items: center; }

/* --- Benefits --- */
.benefits-inner { display: grid; grid-template-columns: 1fr; gap: 2.6rem; align-items: center; }

/* --- Gallery --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: clamp(140px, 19vw, 210px);
  gap: .9rem;
}
/* Cada celda respeta la proporción real de su fotografía:
   a/b altas (retrato), c ancha (paisaje), d/e cuadradas, f panorámica. */
.gallery-a { grid-column: 1 / 2; grid-row: 1 / 3; }
.gallery-b { grid-column: 2 / 3; grid-row: 1 / 3; }
.gallery-c { grid-column: 3 / 5; grid-row: 1 / 2; }
.gallery-d { grid-column: 3 / 4; grid-row: 2 / 3; }
.gallery-e { grid-column: 4 / 5; grid-row: 2 / 3; }
.gallery-f { grid-column: 1 / 5; grid-row: 3 / 4; }

/* --- CTA grande --- */
.cta-big { background: var(--carbon); color: var(--on-dark); padding-block: clamp(4.5rem, 10vw, 8rem); }
.cta-big-inner { text-align: center; max-width: 40rem; margin-inline: auto; }
.cta-big-inner h2 { font-size: clamp(2.2rem, 6vw, 3.6rem); margin-bottom: 1.1rem; }
.cta-big-inner p { color: var(--on-dark-soft); font-size: 1.05rem; margin-bottom: 2.2rem; }

/* --- Contact --- */
.contact-inner { display: grid; grid-template-columns: 1fr; gap: 3rem; }

/* --- Footer --- */
.footer { background: var(--black-soft); color: var(--on-dark); padding-block: 3.6rem 1.8rem; }
.footer-inner { display: grid; grid-template-columns: 1fr; gap: 2.4rem; padding-bottom: 2.6rem; border-bottom: 1px solid var(--on-dark-line); }
.footer-brand .nav-logo-line { color: var(--on-dark); }
.footer-links { display: flex; flex-direction: column; gap: .8rem; }
.footer-links a { color: var(--on-dark-soft); font-size: .92rem; transition: color .3s var(--ease-out); }
.footer-links a:hover { color: var(--copper); }
.footer-social p { font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; color: var(--on-dark-soft); margin-bottom: 1rem; }
.footer-bottom { display: flex; flex-direction: column; gap: .5rem; padding-top: 1.6rem; font-size: .8rem; color: var(--on-dark-soft); }
.footer-agency { opacity: .65; }

/* --- WhatsApp floating button --- */
.whatsapp-fab {
  position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 400;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--copper-deep); color: var(--white-warm);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 26px -8px rgba(0,0,0,.4);
  transition: transform .3s var(--ease-out), opacity .3s var(--ease-out);
}
.whatsapp-fab:hover { transform: scale(1.06); }

/* Aviso compartido — se muestra al hacer clic en cualquier botón de
   WhatsApp mientras SITE_CONFIG.WHATSAPP_NUMBER esté vacío. Los botones
   conservan su apariencia normal; solo cambia el resultado del clic. */
.wa-toast {
  position: fixed; left: 50%; bottom: 1.6rem; z-index: 600;
  transform: translate(-50%, 10px);
  background: var(--carbon); color: var(--on-dark);
  font-size: .82rem; font-weight: 600; white-space: nowrap;
  padding: .7rem 1.2rem; border-radius: 999px;
  box-shadow: 0 10px 26px -10px rgba(0,0,0,.5);
  opacity: 0; pointer-events: none;
  transition: opacity .3s var(--ease-out), transform .3s var(--ease-out);
  max-width: calc(100vw - 2rem);
  overflow: hidden; text-overflow: ellipsis;
}
.wa-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* =============================================================
   7. Photography — real photo frames
   ============================================================= */
.photo {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--black-soft);
}
.photo img { display: block; width: 100%; height: 100%; object-fit: cover; }
.photo-tall { aspect-ratio: 4/5; }
.photo-hero { position: absolute; inset: 0; z-index: 0; border-radius: 0; }
.photo-hero img { object-position: 50% 32%; }

.gallery-a, .gallery-b, .gallery-c, .gallery-d, .gallery-e, .gallery-f { height: 100%; }

/* Galería — zoom e overlay muy sutiles al hover, nada exagerado */
.gallery-grid .photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(23,23,23,.16), transparent 45%);
  opacity: 0;
  transition: opacity .4s var(--ease-out);
  pointer-events: none;
}
.gallery-grid .photo img { transition: transform .7s var(--ease-out); }
.gallery-grid .photo:hover img { transform: scale(1.045); }
.gallery-grid .photo:hover::after { opacity: 1; }

/* =============================================================
   8. Responsive — mobile-first
   ============================================================= */
@media (min-width: 540px) {
  .grid-reviews { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 720px) {
  .footer-inner { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
  .experience-inner { grid-template-columns: 1.1fr .9fr; }
  .benefits-inner { grid-template-columns: .9fr 1.1fr; }
  .benefits-inner .photo { order: -1; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }

  .grid-reviews { grid-template-columns: repeat(3, 1fr); }
  .contact-inner { grid-template-columns: 1fr 1fr; }
  .hero-inner { padding-block: 5rem; }
}

/* Hasta 959px (mobile + tablet): grid de 2 columnas con proporciones fijas.
   El grid asimétrico de 4 columnas queda solo para desktop (960px+), donde
   hay ancho suficiente para que las celdas panorámicas no corten la foto. */
@media (max-width: 959px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .gallery-a, .gallery-b, .gallery-d, .gallery-e { grid-column: auto; grid-row: auto; aspect-ratio: 4/5; height: auto; }
  .gallery-c { grid-column: 1 / 3; grid-row: auto; aspect-ratio: 16/10; height: auto; }
  .gallery-f { grid-column: 1 / 3; grid-row: auto; aspect-ratio: 16/9; height: auto; }
}

@media (min-width: 1280px) {
  .hero-title { font-size: clamp(3.4rem, 6.5vw, 5.6rem); }
}

/* =============================================================
   9. Reduced motion — only intrusive effects
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { transition-duration: .01s; }
}