/* ==========================================================================
   MADERAS & ARTE - Estilos Corporativos de Carpintería Fina & Ebanistería
   Muebles a Medida, Ebanistería de Autor & Arquitectura en Madera
   ========================================================================== */

:root {
  /* Paleta de Colores Madereros */
  --bg-dark: #0f0d0a;
  --bg-card: #1a1612;
  --bg-card-hover: #241f1a;
  --bg-glass: rgba(26, 22, 18, 0.85);
  --bg-surface: #201a14;
  
  --color-wood: #c58241;          /* Caoba Cálido */
  --color-gold: #d97706;          /* Ámbar Maderero */
  --color-forest: #2d4a3e;        /* Verde Bosque Sostenible */
  --color-accent: #e5a968;        /* Teca Clara */
  
  --text-main: #faf6f0;
  --text-muted: #a8a096;
  --text-gold: #d97706;
  
  --border-glass: rgba(197, 130, 65, 0.15);
  --border-wood: rgba(197, 130, 65, 0.4);
  
  /* Gradientes */
  --grad-wood: linear-gradient(135deg, #c58241 0%, #d97706 100%);
  --grad-forest: linear-gradient(135deg, #2d4a3e 0%, #059669 100%);
  --grad-text-wood: linear-gradient(135deg, #ffffff 0%, #c58241 100%);
  --grad-dark-overlay: linear-gradient(180deg, rgba(15, 13, 10, 0.7) 0%, #0f0d0a 100%);
  
  /* Sombras */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.6);
  --shadow-wood: 0 0 25px rgba(197, 130, 65, 0.2);
  
  /* Tipografía */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Bordes & Layout */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  --container-width: 1240px;
  --header-height: 85px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background: rgba(197, 130, 65, 0.3);
  color: #fff;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #2b231c; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-wood); }

a { color: inherit; text-decoration: none; transition: var(--transition-fast); }
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; background: none; }
button { cursor: pointer; }

/* Layout & Utilitarios */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-dark {
  background-color: rgba(26, 22, 18, 0.5);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.25;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.25rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.75rem); }

.wood-text {
  background: var(--grad-text-wood);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  background: rgba(197, 130, 65, 0.1);
  border: 1px solid var(--border-wood);
  color: var(--color-wood);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-normal);
  white-space: nowrap;
}

.btn-wood {
  background: var(--grad-wood);
  color: #0f0d0a;
  font-weight: 700;
  box-shadow: var(--shadow-wood);
}

.btn-wood:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(197, 130, 65, 0.4);
}

.btn-outline-wood {
  border: 1px solid var(--color-wood);
  color: var(--color-wood);
}

.btn-outline-wood:hover {
  background: rgba(197, 130, 65, 0.1);
  transform: translateY(-2px);
}

.btn-sm { padding: 0.55rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 1.1rem 2.5rem; font-size: 1.1rem; }

/* Tarjetas */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-normal);
}

.card:hover {
  border-color: var(--border-wood);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header.scrolled {
  background: rgba(15, 13, 10, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.logo-symbol {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-wood);
  background: rgba(197, 130, 65, 0.1);
  color: var(--color-wood);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-menu { display: flex; align-items: center; gap: 2.25rem; }
.nav-link { font-weight: 500; font-size: 0.95rem; color: var(--text-muted); padding: 0.4rem 0; position: relative; }
.nav-link:hover, .nav-link.active { color: var(--color-wood); }
.nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-wood); transition: var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.mobile-toggle {
  display: none; flex-direction: column; gap: 5px; padding: 0.5rem;
}
.mobile-toggle span { width: 24px; height: 2px; background: var(--text-main); transition: var(--transition-fast); }

/* Menú Móvil Drawer */
.mobile-menu {
  position: fixed; top: 0; right: -100%; width: 85%; max-width: 360px; height: 100vh;
  background: var(--bg-card); border-left: 1px solid var(--border-glass); padding: 2.5rem 2rem;
  z-index: 1001; display: flex; flex-direction: column; justify-content: space-between; transition: right 0.4s ease;
}
.mobile-menu.active { right: 0; }
.mobile-menu-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(4px); z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition-fast);
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }

/* Hero Section */
.hero {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 6rem;
  background: radial-gradient(circle at 70% 30%, rgba(197, 130, 65, 0.08) 0%, rgba(15, 13, 10, 0) 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 1.5rem 0 2.5rem 0;
}

.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.hero-visual-box {
  height: 400px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #241e17 0%, #0f0d0a 100%);
  border: 1px solid var(--border-glass);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat-item { text-align: center; padding: 2rem; background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--radius-md); }
.stat-number { font-family: var(--font-serif); font-size: 2.75rem; font-weight: 700; color: var(--color-wood); margin-bottom: 0.25rem; }
.stat-label { color: var(--text-muted); font-size: 0.9rem; }

/* Muestrario de Maderas */
.wood-sample-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; margin-top: 2rem; }
.wood-sample-card {
  background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--radius-md); padding: 1.25rem; text-align: center; transition: var(--transition-fast);
}
.wood-sample-card:hover { border-color: var(--color-wood); transform: translateY(-3px); }
.wood-texture { width: 100%; height: 80px; border-radius: var(--radius-sm); margin-bottom: 0.75rem; }

/* Modal de Cotizaciones */
.quote-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.8); backdrop-filter: blur(8px);
  z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 1.5rem;
  opacity: 0; visibility: hidden; transition: var(--transition-normal);
}
.quote-modal.active { opacity: 1; visibility: visible; }
.quote-box {
  background: var(--bg-card); border: 1px solid var(--border-wood); border-radius: var(--radius-lg);
  padding: 2.5rem; width: 100%; max-width: 600px; box-shadow: var(--shadow-wood); position: relative;
}
.quote-close { position: absolute; top: 1.25rem; right: 1.25rem; color: var(--text-muted); font-size: 1.5rem; }

/* Form Fields */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.4rem; color: var(--text-main); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.8rem 1.1rem; background: rgba(15, 13, 10, 0.7);
  border: 1px solid var(--border-glass); border-radius: var(--radius-md); color: var(--text-main); font-size: 0.95rem;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-wood); box-shadow: 0 0 0 3px rgba(197,130,65,0.15); }

/* FAQ Accordion */
.faq-container { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
  width: 100%; padding: 1.35rem 1.5rem; display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-serif); font-size: 1.15rem; color: var(--text-main); text-align: left; cursor: pointer;
}
.faq-icon { width: 20px; height: 20px; color: var(--color-wood); transition: transform 0.3s; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 1.5rem; color: var(--text-muted); }
.faq-item.active .faq-answer { max-height: 250px; padding-bottom: 1.35rem; }

/* Toast Notification */
.toast-container { position: fixed; top: 2rem; right: 2rem; z-index: 2100; display: flex; flex-direction: column; gap: 0.75rem; }
.toast {
  background: var(--bg-card); border: 1px solid var(--color-wood); color: var(--text-main); padding: 1rem 1.5rem;
  border-radius: var(--radius-md); box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 0.75rem;
}

/* Footer */
.footer { background: #090806; border-top: 1px solid var(--border-glass); padding: 4rem 0 2rem 0; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 2rem; color: var(--text-muted); font-size: 0.875rem; }

/* Floating Widgets */
.floating-widgets { position: fixed; bottom: 2rem; right: 2rem; z-index: 999; display: flex; flex-direction: column; gap: 0.75rem; }
.btn-whatsapp { width: 54px; height: 54px; border-radius: 50%; background: #25d366; color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(37,211,102,0.4); }
.btn-back-to-top { width: 46px; height: 46px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-glass); color: var(--text-main); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition-normal); }
.btn-back-to-top.visible { opacity: 1; visibility: visible; }

/* Responsive */
@media (max-width: 992px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .wood-sample-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-menu, .header-cta { display: none; }
  .mobile-toggle { display: flex; }
  .stats-grid, .wood-sample-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}