/* Barbearia Rio Branco — Design System */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-bg: #0a0a0a;
  --color-surface: #141414;
  --color-surface-2: #1c1c1c;
  --color-text: #f5f5f5;
  --color-text-muted: #a3a3a3;
  --color-border: #2a2a2a;
  --color-accent: #e31e24;
  --color-accent-hover: #ff2a31;
  --color-white: #ffffff;
  --color-black: #000000;

  --font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-accent: 0 4px 24px rgba(227, 30, 36, 0.35);

  --header-height: 72px;
  --mobile-bar-height: 64px;
  --container: min(1200px, 100% - 2rem);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  padding-bottom: var(--mobile-bar-height);
}

@media (min-width: 768px) {
  body { padding-bottom: 0; }
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

/* Typography */
.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.label--muted { color: var(--color-text-muted); }

.display-xl {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

.display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

.display-md {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0;
}

h1, h2, h3 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.1;
}

h1 { font-size: clamp(2.5rem, 8vw, 5rem); margin: 0 0 var(--space-sm); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); margin: 0 0 var(--space-md); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); margin: 0 0 var(--space-sm); }

.lead { font-size: 1.125rem; color: var(--color-text-muted); max-width: 42ch; }
.geo-answer { font-size: 1.0625rem; line-height: 1.65; max-width: 65ch; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  min-width: 48px;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-text);
  background: var(--color-surface);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
  padding-inline: 0.75rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo__mark {
  width: 40px;
  height: 40px;
  background: var(--color-black);
  border: 2px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.logo__tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.desktop-nav {
  display: none;
}

.desktop-nav ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.desktop-nav a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--color-white);
}

.header-cta {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}

.menu-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 22px;
}

.menu-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .desktop-nav { display: block; }
  .header-cta { display: flex; }
  .menu-toggle { display: none; }
}

/* Mobile nav — direct body child, full-height opaque overlay */
.mobile-nav,
.site-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 100vh;
  min-height: 100dvh;
  z-index: 99;
  background: var(--color-bg);
  padding: calc(var(--header-height) + var(--space-md)) var(--space-md) var(--space-lg);
  overflow-y: auto;
  flex-direction: column;
  -webkit-overflow-scrolling: touch;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.mobile-nav.is-open,
body.mobile-menu-open .mobile-nav,
.site-nav.is-open,
body.mobile-menu-open .site-nav {
  display: flex;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .mobile-nav,
  .mobile-nav.is-open,
  body.mobile-menu-open .mobile-nav,
  .site-nav,
  .site-nav.is-open,
  body.mobile-menu-open .site-nav {
    display: none !important;
    visibility: hidden;
    pointer-events: none;
  }
}

.mobile-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav li { border-bottom: 1px solid var(--color-border); }

.mobile-nav a {
  display: flex;
  align-items: center;
  min-height: 56px;
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

.mobile-nav a[aria-current="page"] { color: var(--color-accent); }

.mobile-nav__actions {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Hero */
.hero {
  padding: var(--space-xl) 0 var(--space-lg);
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.hero__kicker strong { color: var(--color-white); }

.hero__promise {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin: var(--space-md) 0 var(--space-lg);
  max-width: 38ch;
}

.hero-band {
  width: 100%;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
}

.hero-band img {
  width: 100%;
  height: clamp(220px, 40vw, 520px);
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
}

/* Trust bar */
.trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.trust-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .trust-bar__grid { grid-template-columns: repeat(4, 1fr); }
}

.trust-item {
  text-align: center;
  padding: var(--space-sm);
}

.trust-item__value {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
}

.trust-item__label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

.section--dark { background: var(--color-surface); }
.section--accent-band {
  background: var(--color-accent);
  color: var(--color-white);
}

.section__header {
  margin-bottom: var(--space-lg);
}

.section__header .label { margin-bottom: var(--space-xs); }

/* Cards grid */
.cards-grid {
  display: grid;
  gap: var(--space-md);
}

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

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

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: border-color var(--transition);
}

.card:hover { border-color: var(--color-accent); }

.card__price {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
}

.card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  flex-grow: 1;
}

/* Differentials */
.diff-list {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .diff-list { grid-template-columns: repeat(2, 1fr); }
}

.diff-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface-2);
}

.diff-item__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Reviews */
.reviews-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
}

.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
}

.review-card__stars { color: var(--color-accent); margin-bottom: var(--space-sm); }
.review-card__text { font-size: 0.9375rem; font-style: italic; margin-bottom: var(--space-sm); }
.review-card__author {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.rating-banner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.rating-banner__score {
  font-family: var(--font-display);
  font-size: 3.5rem;
  color: var(--color-accent);
  line-height: 1;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
}

@media (min-width: 768px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: grayscale(80%);
  transition: filter var(--transition);
}

.gallery-grid a:hover img { filter: grayscale(0%); }

/* Location */
.location-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 900px) {
  .location-grid { grid-template-columns: 1fr 1.2fr; }
}

.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.hours-table th,
.hours-table td {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.hours-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}

.map-embed {
  width: 100%;
  aspect-ratio: 16/10;
  border: 1px solid var(--color-border);
  filter: grayscale(100%) contrast(1.05);
}

/* FAQ */
.faq-list { border-top: 1px solid var(--color-border); }

.faq-item { border-bottom: 1px solid var(--color-border); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
  min-height: 56px;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.is-open .faq-question::after { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 0 var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.faq-item.is-open .faq-answer { display: block; }

/* CTA band */
.cta-band {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.cta-band .display-md { margin-bottom: var(--space-md); }

.cta-band p {
  color: var(--color-text-muted);
  max-width: 40ch;
  margin: 0 auto var(--space-lg);
}

.section--accent-band .cta-band p { color: rgba(255,255,255,0.85); }

.section--accent-band .btn--outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

/* Footer */
.site-footer {
  background: var(--color-black);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-grid {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-grid h3 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.footer-grid address {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li { margin-bottom: 0.5rem; }

.footer-grid a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-grid a:hover { color: var(--color-white); }

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* Mobile sticky bar */
.mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  height: var(--mobile-bar-height);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .mobile-bar { display: none; }
}

.mobile-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-height: 48px;
}

.mobile-bar a:first-child {
  background: var(--color-accent);
  color: var(--color-white);
}

.mobile-bar a:last-child {
  border-left: 1px solid var(--color-border);
  color: var(--color-text);
}

/* Page hero (inner pages) */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-white); }

/* Team */
.team-grid {
  display: grid;
  gap: var(--space-md);
}

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

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

.team-card img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  filter: grayscale(100%);
  margin-bottom: var(--space-sm);
}

.team-card h3 { margin-bottom: 0.25rem; }
.team-card p { font-size: 0.875rem; color: var(--color-text-muted); margin: 0; }

/* Agende page */
.agende-options {
  display: grid;
  gap: var(--space-md);
  max-width: 640px;
}

.agende-card {
  padding: var(--space-lg);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
}

.agende-card--featured {
  border-color: var(--color-accent);
}

.agende-card h3 { margin-bottom: var(--space-sm); }

/* Privacy */
.legal-content {
  max-width: 68ch;
}

.legal-content h2 {
  margin-top: var(--space-lg);
  font-size: 1.5rem;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.legal-content ul { padding-left: 1.25rem; }

/* Utilities */
.text-accent { color: var(--color-accent); }
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@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;
  }
}