/* ==========================================================================
   ATELIER JOÃO CARLOS LUTHIER (CARLINHOS VIOLINO)
   Potiraguá - Bahia | Lutheria Fina de Violinos e Violoncelos
   Design System & Estilização Premium 100% Responsiva
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700;800;900&family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Paleta de Cores Clássica e Nobre */
  --bg-primary: #0a0807;
  --bg-surface: #120e0b;
  --bg-card: #18130f;
  --bg-card-hover: #221a14;
  --bg-glass: rgba(24, 19, 15, 0.85);
  --bg-glass-border: rgba(217, 147, 54, 0.22);
  
  --color-amber: #d99336;
  --color-amber-light: #f5b056;
  --color-amber-glow: rgba(217, 147, 54, 0.35);
  --color-gold: #c59b27;
  --color-wood-warm: #8c4820;
  --color-wood-dark: #3a1d0e;
  --color-ebony: #1a1715;
  
  --text-primary: #fcf8f2;
  --text-secondary: #c9bfb5;
  --text-muted: #8c8278;
  --text-accent: #f5b056;

  /* Tipografia */
  --font-serif-title: 'Cinzel', serif;
  --font-serif-body: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Sombras e Efeitos */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.8), 0 0 30px var(--color-amber-glow);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset Global & Prevenção Absoluta de Overflow */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
  max-width: 100vw;
  overflow-x: hidden !important;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  max-width: 100vw;
  overflow-x: hidden !important;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(140, 72, 32, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(217, 147, 54, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(58, 29, 14, 0.15) 0%, transparent 60%);
  background-attachment: fixed;
}

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

/* Scrollbar personalizada */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-card-hover);
  border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-amber);
}

/* Tipografia Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif-title);
  color: var(--text-primary);
  letter-spacing: 0.04em;
  font-weight: 700;
  word-break: break-word;
}

p {
  color: var(--text-secondary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   HEADER & NAVBAR (RESPONSIVO COM DRAWER LATERAL)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 18px 0;
}

.header.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-glass-border);
  padding: 12px 0;
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-amber), var(--color-wood-warm));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 0 15px var(--color-amber-glow);
  flex-shrink: 0;
}

.brand-info {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif-title);
  font-size: 1.12rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.06em;
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--color-amber-light);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-amber-light));
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-amber-light);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-header {
  padding: 9px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-amber), #b87320);
  color: #0c0a09;
  box-shadow: 0 4px 15px var(--color-amber-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-header:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 147, 54, 0.5);
  background: linear-gradient(135deg, var(--color-amber-light), var(--color-amber));
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu-close {
  display: none;
}

.mobile-whatsapp-btn {
  display: none;
}

.mobile-menu-overlay {
  display: none;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 70px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.38) contrast(1.15);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, 
    rgba(10, 8, 7, 0.75) 0%, 
    rgba(10, 8, 7, 0.45) 45%, 
    rgba(10, 8, 7, 0.9) 85%, 
    var(--bg-primary) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 820px;
}

.badge-artisan {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(217, 147, 54, 0.15);
  border: 1px solid var(--color-amber-light);
  border-radius: 40px;
  color: var(--color-amber-light);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 22px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2.1rem, 5.2vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-title span {
  background: linear-gradient(135deg, #fff 30%, var(--color-amber-light) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-family: var(--font-serif-body);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-style: italic;
  color: #e5ded5;
  margin-bottom: 34px;
  line-height: 1.5;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 45px;
}

.btn-primary {
  padding: 15px 32px;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-amber), #b87320);
  color: #0c0a09;
  box-shadow: var(--shadow-md);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-amber-light), var(--color-amber));
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  padding: 14px 28px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: rgba(24, 19, 15, 0.85);
  color: var(--text-primary);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(10px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--color-amber);
  color: var(--color-amber-light);
  transform: translateY(-3px);
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  padding-top: 26px;
  border-top: 1px solid rgba(217, 147, 54, 0.18);
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(217, 147, 54, 0.12);
  border: 1px solid rgba(217, 147, 54, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber);
  font-size: 18px;
  flex-shrink: 0;
}

.hero-stat-text h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
}

.hero-stat-text p {
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SEÇÕES GERAIS
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.section-tag {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-amber);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-amber), transparent);
  margin: 0 auto 18px;
}

.section-desc {
  font-family: var(--font-serif-body);
  font-size: 1.2rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   SOBRE O LUTHIER
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: center;
}

.about-media {
  position: relative;
}

.about-card-img {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--bg-glass-border);
}

.about-card-img img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.about-card-img:hover img {
  transform: scale(1.03);
}

.about-badge-floating {
  position: absolute;
  bottom: -15px;
  right: -15px;
  background: var(--bg-card);
  border: 1px solid var(--color-amber);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 5;
}

.about-badge-floating i {
  font-size: 24px;
  color: var(--color-amber);
  flex-shrink: 0;
}

.about-badge-floating h5 {
  font-size: 0.9rem;
  color: #fff;
}

.about-badge-floating p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  line-height: 1.25;
  margin-bottom: 18px;
}

.about-content .lead {
  font-family: var(--font-serif-body);
  font-size: 1.3rem;
  color: var(--color-amber-light);
  line-height: 1.6;
  margin-bottom: 20px;
  font-style: italic;
}

.about-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  text-align: justify;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-item i {
  color: var(--color-amber);
  font-size: 16px;
  margin-top: 4px;
  flex-shrink: 0;
}

.feature-item span {
  font-size: 0.88rem;
  color: var(--text-primary);
  font-weight: 500;
}

.about-location-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: rgba(217, 147, 54, 0.1);
  border: 1px dashed var(--color-amber);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #fce8cc;
  line-height: 1.4;
}

/* ==========================================================================
   SERVIÇOS DE LUTHERIA
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(217, 147, 54, 0.14);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-amber), var(--color-wood-warm));
  opacity: 0;
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(217, 147, 54, 0.4);
  box-shadow: var(--shadow-lg);
  background: var(--bg-card-hover);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-sm);
  background: rgba(217, 147, 54, 0.12);
  border: 1px solid rgba(217, 147, 54, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--color-amber);
  margin-bottom: 22px;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.service-card:hover .service-icon-box {
  background: var(--color-amber);
  color: #0c0a09;
  transform: scale(1.06) rotate(3deg);
}

.service-title {
  font-size: 1.28rem;
  margin-bottom: 12px;
  color: #fff;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-specs {
  list-style: none;
  margin-bottom: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 14px;
}

.service-specs li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-specs li::before {
  content: '•';
  color: var(--color-amber);
  font-weight: bold;
}

.service-cta {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-amber-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.service-card:hover .service-cta {
  gap: 12px;
  color: #fff;
}

/* ==========================================================================
   AFINADOR & EXPERIÊNCIA SONORA (WEB AUDIO API)
   ========================================================================== */
.sound-experience {
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-surface), var(--bg-primary));
  border-top: 1px solid rgba(217, 147, 54, 0.12);
  border-bottom: 1px solid rgba(217, 147, 54, 0.12);
}

.sound-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.sound-card-header h3 {
  font-size: 1.7rem;
  margin-bottom: 8px;
}

.sound-card-header p {
  font-family: var(--font-serif-body);
  font-size: 1.12rem;
  color: var(--color-amber-light);
  margin-bottom: 30px;
}

.string-players-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 26px;
}

.instrument-sound-box {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 22px;
}

.instrument-sound-box h4 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.strings-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.btn-string-tone {
  padding: 14px 6px;
  background: var(--bg-card);
  border: 1px solid rgba(217, 147, 54, 0.3);
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-height: 70px;
  justify-content: center;
}

.btn-string-tone .note-name {
  font-family: var(--font-serif-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-amber-light);
}

.btn-string-tone .note-freq {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.btn-string-tone:hover, .btn-string-tone.playing {
  background: var(--color-amber);
  border-color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 0 18px var(--color-amber-glow);
}

.btn-string-tone:hover .note-name,
.btn-string-tone.playing .note-name {
  color: #0c0a09;
}

.btn-string-tone:hover .note-freq,
.btn-string-tone.playing .note-freq {
  color: #24160a;
}

.sound-status-bar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.sound-pulse {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-amber);
  box-shadow: 0 0 8px var(--color-amber);
  flex-shrink: 0;
}

/* ==========================================================================
   SIMULADOR DE ORÇAMENTO INTERATIVO
   ========================================================================== */
.simulator-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.simulator-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}

.form-group {
  margin-bottom: 22px;
}

.form-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.instrument-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.selector-option {
  position: relative;
}

.selector-option input[type="radio"],
.selector-option input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.selector-box {
  padding: 14px 8px;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 68px;
  justify-content: center;
}

.selector-box i {
  font-size: 20px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.selector-box span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.selector-option input:checked + .selector-box {
  background: rgba(217, 147, 54, 0.15);
  border-color: var(--color-amber);
  box-shadow: 0 0 15px var(--color-amber-glow);
}

.selector-option input:checked + .selector-box i {
  color: var(--color-amber-light);
}

.selector-option input:checked + .selector-box span {
  color: #fff;
}

.services-checkbox-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-item {
  position: relative;
}

.checkbox-box {
  padding: 12px 14px;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
  min-height: 48px;
}

.checkbox-box i {
  color: var(--text-muted);
  font-size: 15px;
  flex-shrink: 0;
}

.checkbox-box span {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.checkbox-item input:checked + .checkbox-box {
  background: rgba(217, 147, 54, 0.14);
  border-color: var(--color-amber);
}

.checkbox-item input:checked + .checkbox-box i {
  color: var(--color-amber);
}

.checkbox-item input:checked + .checkbox-box span {
  color: #fff;
}

.form-control {
  width: 100%;
  padding: 13px 15px;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-amber);
  box-shadow: 0 0 12px var(--color-amber-glow);
}

/* Card Resumo do Orçamento */
.quote-summary-card {
  background: linear-gradient(145deg, #1f1812, #140f0c);
  border: 1px solid var(--color-amber);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
}

.summary-header {
  border-bottom: 1px solid rgba(217, 147, 54, 0.2);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.summary-title {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 4px;
}

.summary-sub {
  font-size: 0.82rem;
  color: var(--color-amber-light);
}

.summary-items {
  list-style: none;
  margin-bottom: 24px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
  font-size: 0.86rem;
  gap: 12px;
}

.summary-row.total {
  border-top: 1px solid var(--color-amber);
  border-bottom: none;
  margin-top: 12px;
  padding-top: 14px;
}

.summary-row.total span {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.summary-row.total .price {
  font-size: 1.28rem;
  color: var(--color-amber-light);
}

.summary-disclaimer {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 22px;
}

.btn-whatsapp-quote {
  width: 100%;
  padding: 15px;
  background: #25d366;
  color: #063013;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
  transition: var(--transition-smooth);
}

.btn-whatsapp-quote:hover {
  background: #2ee672;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  color: #021a0a;
}

/* ==========================================================================
   GALERIA DE OBRAS & ATELIER
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 340px;
  border: 1px solid rgba(217, 147, 54, 0.16);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(0deg, rgba(10, 8, 7, 0.92) 0%, rgba(10, 8, 7, 0.2) 60%, transparent 100%);
  opacity: 0;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 22px;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-tag {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-amber);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.gallery-title {
  font-size: 1.12rem;
  color: #fff;
  margin-bottom: 6px;
}

.gallery-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.gallery-zoom-icon {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(217, 147, 54, 0.85);
  color: #0c0a09;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transform: scale(0.6);
  opacity: 0;
  transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-zoom-icon {
  transform: scale(1);
  opacity: 1;
}

/* ==========================================================================
   DEPOIMENTOS
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 26px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 30px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-stars {
  color: var(--color-gold);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}

.testimonial-quote {
  font-family: var(--font-serif-body);
  font-size: 1.2rem;
  font-style: italic;
  color: #f1ece4;
  line-height: 1.6;
  margin-bottom: 22px;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 16px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-amber), var(--color-wood-warm));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.author-info h5 {
  font-size: 0.92rem;
  color: #fff;
}

.author-info p {
  font-size: 0.76rem;
  color: var(--color-amber-light);
}

/* ==========================================================================
   LOCALIZAÇÃO, ENVIO SEGURO & FAQ
   ========================================================================== */
.logistics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: start;
}

.logistics-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-md);
  padding: 32px;
}

.logistics-card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: #fff;
}

.steps-list {
  list-style: none;
  margin-top: 20px;
}

.step-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.step-number {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-amber);
  color: #0c0a09;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step-content h5 {
  font-size: 0.92rem;
  color: #fff;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Accordion FAQ */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.accordion-item.active {
  border-color: var(--color-amber);
}

.accordion-header {
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.92rem;
  color: #fff;
  gap: 12px;
  transition: var(--transition-smooth);
}

.accordion-header i {
  color: var(--color-amber);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.accordion-item.active .accordion-header i {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.35s ease;
}

.accordion-item.active .accordion-body {
  padding: 0 20px 18px;
  max-height: 250px;
}

.accordion-body p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #060504;
  border-top: 1px solid rgba(217, 147, 54, 0.16);
  padding: 70px 0 25px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 50px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-text {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: var(--transition-smooth);
}

.social-btn:hover {
  background: var(--color-amber);
  color: #0c0a09;
  transform: translateY(-3px);
  box-shadow: 0 0 14px var(--color-amber-glow);
}

.footer-col h4 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-amber);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--color-amber-light);
  padding-left: 4px;
}

.footer-contact-info {
  list-style: none;
}

.footer-contact-info li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.footer-contact-info i {
  color: var(--color-amber);
  font-size: 15px;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BOTÃO FLUTUANTE WHATSAPP & MODAL LIGHTBOX
   ========================================================================== */
.whatsapp-float-btn {
  position: fixed;
  bottom: 26px;
  right: 26px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition-smooth);
}

.whatsapp-float-btn:hover {
  transform: scale(1.1) rotate(6deg);
  background: #20ba5a;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.65);
}

.whatsapp-float-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  z-index: -1;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

/* Modal Lightbox */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 4, 3, 0.94);
  backdrop-filter: blur(14px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 850px;
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--color-amber);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.lightbox-content img {
  width: 100%;
  max-height: 68vh;
  object-fit: contain;
  display: block;
  background: #000;
}

.lightbox-caption {
  padding: 18px 22px;
  background: var(--bg-surface);
}

.lightbox-caption h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 4px;
}

.lightbox-caption p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.lightbox-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  background: var(--color-amber);
  color: #0c0a09;
}

/* ==========================================================================
   BREAKPOINTS DE RESPONSIVIDADE (TABLET, MOBILE & TELAS PEQUENAS)
   ========================================================================== */

/* Telas Médias / Tablets Grandes (<= 1024px) */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .about-card-img img {
    height: 400px;
  }

  .about-badge-floating {
    bottom: -10px;
    right: 10px;
  }

  .simulator-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .logistics-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Smartphones e Tablets Verticais (<= 768px) */
@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  .header {
    padding: 12px 0;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .brand-name {
    font-size: 1rem;
  }

  .brand-sub {
    font-size: 0.62rem;
  }

  .header-cta .btn-header {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: rgba(217, 147, 54, 0.12);
    border: 1px solid rgba(217, 147, 54, 0.3);
    color: var(--color-amber-light);
    font-size: 1.25rem;
  }

  /* Gaveta Lateral Off-Canvas Mobile */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 82%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background: #110d0a;
    border-left: 1px solid var(--color-amber);
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.9);
    padding: 75px 24px 35px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    z-index: 1005;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
  }

  .nav-links.mobile-open {
    right: 0;
  }

  .nav-link {
    font-size: 1rem;
    padding: 10px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: block;
  }

  .nav-link::after {
    display: none;
  }

  .mobile-menu-close {
    display: flex;
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
  }

  .mobile-menu-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    z-index: 1002;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }

  .mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-whatsapp-btn {
    display: flex;
    margin-top: 12px;
    width: 100%;
    padding: 14px;
    background: #25d366;
    color: #05260f;
    font-weight: 700;
    font-size: 0.88rem;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
  }

  /* Hero Section */
  .hero {
    padding: 110px 0 50px;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(1.85rem, 7vw, 2.5rem);
    line-height: 1.2;
    margin-bottom: 14px;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.5;
    margin-bottom: 24px;
  }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
    width: 100%;
    margin-bottom: 30px;
  }

  .btn-primary, .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
    font-size: 0.88rem;
  }

  .hero-badges {
    grid-template-columns: 1fr;
    gap: 14px;
    padding-top: 20px;
  }

  /* Seções e Espaçamentos */
  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section-desc {
    font-size: 1.05rem;
  }

  /* Sobre */
  .about-card-img img {
    height: 320px;
  }

  .about-badge-floating {
    position: static;
    margin-top: 14px;
    width: 100%;
    justify-content: center;
  }

  .about-features {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* Serviços */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .service-card {
    padding: 24px 20px;
  }

  /* Afinador */
  .sound-card {
    padding: 24px 16px;
  }

  .sound-card-header h3 {
    font-size: 1.4rem;
  }

  .string-players-group {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .instrument-sound-box {
    padding: 16px 12px;
  }

  .strings-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .btn-string-tone {
    padding: 12px 6px;
  }

  /* Simulador */
  .simulator-wrapper {
    padding: 22px 16px;
  }

  .instrument-selector {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .selector-box {
    padding: 10px 4px;
    min-height: 60px;
  }

  .selector-box i {
    font-size: 18px;
  }

  .selector-box span {
    font-size: 0.74rem;
  }

  .services-checkbox-list {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .checkbox-box {
    padding: 10px 12px;
    min-height: 44px;
  }

  .quote-summary-card {
    padding: 22px 16px;
  }

  /* Galeria */
  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .gallery-item {
    height: 270px;
  }

  /* Logística e FAQ */
  .logistics-card {
    padding: 22px 16px;
  }

  .step-item {
    gap: 12px;
  }

  .step-number {
    width: 30px;
    height: 30px;
    font-size: 0.85rem;
  }

  .accordion-header {
    padding: 14px 16px;
    font-size: 0.88rem;
  }

  .accordion-body {
    padding: 0 16px;
  }

  .accordion-item.active .accordion-body {
    padding: 0 16px 16px;
  }

  /* Depoimentos */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .testimonial-card {
    padding: 22px 18px;
  }

  .testimonial-quote {
    font-size: 1.05rem;
  }

  /* Footer */
  .footer {
    padding: 45px 0 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 35px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* Botão Flutuante */
  .whatsapp-float-btn {
    bottom: 18px;
    right: 18px;
    width: 50px;
    height: 50px;
    font-size: 25px;
  }

  /* Modal Lightbox */
  .lightbox-modal {
    padding: 12px;
  }

  .lightbox-caption {
    padding: 14px 16px;
  }

  .lightbox-caption h4 {
    font-size: 1rem;
  }

  .lightbox-caption p {
    font-size: 0.78rem;
  }

  .lightbox-close {
    top: 8px;
    right: 8px;
    width: 30px;
    height: 30px;
    font-size: 15px;
  }
}

/* Telas Extremamente Compactas (Smartphones <= 380px) */
@media (max-width: 380px) {
  .brand-name {
    font-size: 0.92rem;
  }

  .brand-sub {
    font-size: 0.58rem;
  }

  .hero-title {
    font-size: 1.68rem;
  }

  .instrument-selector {
    grid-template-columns: 1fr;
  }

  .selector-box {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
  }

  .btn-primary, .btn-secondary {
    font-size: 0.8rem;
    padding: 12px 14px;
  }

  .summary-row.total span {
    font-size: 0.92rem;
  }

  .summary-row.total .price {
    font-size: 1.12rem;
  }
}