/* ==========================================================================
   Wood Carpenter Interiors — Main Stylesheet
   Design tokens, base styles, layout, typography
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-walnut:       #2C1810;
  --color-walnut-mid:   #4A2C17;
  --color-walnut-light: #6B3A2A;
  --color-brass:        #B8860B;
  --color-brass-light:  #D4A017;
  --color-brass-pale:   #F0D080;
  --color-cream:        #F5EDD6;
  --color-cream-dark:   #EDE0C0;
  --color-offwhite:     #FAF7F2;
  --color-sage:         #6B7C5E;
  --color-sage-light:   #8A9E7A;
  --color-text:         #1A0F0A;
  --color-text-mid:     #4A3728;
  --color-text-light:   #7A6358;
  --color-text-inverse: #FAF7F2;
  --color-border:       #D9CCBA;
  --color-border-dark:  #8B7355;
  --color-error:        #C0392B;
  --color-success:      #27AE60;
  --color-white:        #FFFFFF;

  /* Glassmorphism */
  --glass-bg:           rgba(250, 247, 242, 0.08);
  --glass-border:       rgba(250, 247, 242, 0.15);
  --glass-blur:         16px;

  /* Typography */
  --font-display:       'Cormorant Garamond', Georgia, serif;
  --font-body:          'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono:          'DM Mono', 'Courier New', monospace;

  /* Type Scale */
  --text-xs:    0.75rem;    /* 12px */
  --text-sm:    0.875rem;   /* 14px */
  --text-base:  1rem;       /* 16px */
  --text-md:    1.125rem;   /* 18px */
  --text-lg:    1.25rem;    /* 20px */
  --text-xl:    1.5rem;     /* 24px */
  --text-2xl:   2rem;       /* 32px */
  --text-3xl:   2.5rem;     /* 40px */
  --text-4xl:   3.5rem;     /* 56px */
  --text-5xl:   4.5rem;     /* 72px */
  --text-6xl:   6rem;       /* 96px */

  /* Spacing */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   1.5rem;
  --space-xl:   2rem;
  --space-2xl:  3rem;
  --space-3xl:  4rem;
  --space-4xl:  6rem;
  --space-5xl:  8rem;

  /* Border Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(44, 24, 16, 0.08), 0 1px 2px rgba(44, 24, 16, 0.06);
  --shadow-md:  0 4px 16px rgba(44, 24, 16, 0.10), 0 2px 6px rgba(44, 24, 16, 0.06);
  --shadow-lg:  0 10px 40px rgba(44, 24, 16, 0.15), 0 4px 16px rgba(44, 24, 16, 0.08);
  --shadow-xl:  0 20px 60px rgba(44, 24, 16, 0.20), 0 8px 24px rgba(44, 24, 16, 0.10);
  --shadow-inset: inset 0 1px 3px rgba(44, 24, 16, 0.10);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max:  1320px;
  --container-pad:  clamp(1.25rem, 4vw, 3rem);
  --header-height:  76px;
  --section-pad-y:  clamp(4rem, 8vw, 8rem);

  /* Z-index */
  --z-base:    1;
  --z-raised:  10;
  --z-dropdown:200;
  --z-overlay: 300;
  --z-modal:   400;
  --z-toast:   500;
  --z-header:  600;
  --z-float:   700;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-offwhite);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   3. Accessibility
   -------------------------------------------------------------------------- */
.skip-nav {
  position: absolute;
  top: -100%;
  left: var(--space-lg);
  z-index: var(--z-toast);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-walnut);
  color: var(--color-cream);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top var(--transition-fast);
}
.skip-nav:focus { top: 0; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

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

/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-pad {
  padding-block: var(--section-pad-y);
}

.bg-dark   { background-color: var(--color-walnut); color: var(--color-text-inverse); }
.bg-cream  { background-color: var(--color-cream); }
.bg-offwhite { background-color: var(--color-offwhite); }

/* --------------------------------------------------------------------------
   5. Typography Utilities
   -------------------------------------------------------------------------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin-bottom: var(--space-lg);
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--color-brass);
}
.section-tag--light { color: var(--color-brass-pale); }
.section-tag--light::before { background: var(--color-brass-pale); }

.section-header {
  text-align: center;
  max-width: 660px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 5rem);
}
.section-header--left { text-align: left; margin-inline: 0; }
.section-header--light .section-title { color: var(--color-text-inverse); }

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 600;
  color: var(--color-walnut);
  margin-bottom: var(--space-lg);
  line-height: 1.1;
}
.section-title em {
  font-style: italic;
  color: var(--color-brass);
}

.section-desc {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  line-height: 1.7;
}
.section-desc--light { color: rgba(250,247,242,0.7); }

.text-link {
  color: var(--color-brass);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}
.text-link:hover { color: var(--color-walnut); }

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-base);
  line-height: 1;
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.75rem;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary::before,
.btn-secondary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn-primary:hover::before,
.btn-secondary:hover::before { opacity: 1; }

.btn-primary {
  background: var(--color-walnut);
  color: var(--color-cream);
  border: 1.5px solid var(--color-walnut);
}
.btn-primary:hover {
  background: var(--color-walnut-mid);
  border-color: var(--color-walnut-mid);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: transparent;
  color: var(--color-walnut);
  border: 1.5px solid var(--color-walnut);
}
.btn-secondary:hover {
  background: var(--color-walnut);
  color: var(--color-cream);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--glass-bg);
  color: var(--color-cream);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}
.btn-ghost:hover {
  background: rgba(250,247,242,0.15);
  border-color: rgba(250,247,242,0.3);
  transform: translateY(-1px);
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: #25D366;
  color: #fff;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  text-decoration: none;
}
.btn-whatsapp:hover {
  background: #1fba5a;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}

.btn-sm  { padding: 0.625rem 1.25rem; font-size: var(--text-sm); }
.btn-lg  { padding: 1.125rem 2.25rem; font-size: var(--text-md); }
.btn-full { width: 100%; justify-content: center; }

.btn-text-link {
  padding: 0;
  background: none;
  border: none;
  color: var(--color-brass);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition-fast), gap var(--transition-fast);
}
.btn-text-link:hover {
  color: var(--color-walnut);
  gap: var(--space-md);
}

.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  font-weight: 500;
  transition: color var(--transition-fast);
}
.btn-phone:hover { color: var(--color-brass); }

/* Loader for buttons */
.btn-loader {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.is-loading .btn-text { display: none; }
.is-loading .btn-loader { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --------------------------------------------------------------------------
   7. Grain Overlay (signature texture element)
   -------------------------------------------------------------------------- */
.grain-overlay {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  opacity: 0.04;
  pointer-events: none;
  z-index: var(--z-base);
}
.grain-overlay--light { opacity: 0.06; }

/* --------------------------------------------------------------------------
   8. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: var(--header-height);
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-slow), box-shadow var(--transition-slow), height var(--transition-slow);
}
.site-header.scrolled {
  height: 64px;
  background: rgba(250, 247, 242, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  height: 100%;
  padding-inline: var(--container-pad);
  max-width: var(--container-max);
  margin-inline: auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-walnut);
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.logo:hover { opacity: 0.8; }
.logo-icon { color: var(--color-walnut); }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-walnut);
}
.logo-location {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brass);
}
.logo-img { height: 50px; width: auto; display: block; }
@media (max-width: 600px) { .logo-img { height: 40px; } }

/* Desktop Nav */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: var(--space-xs); }

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-mid);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-md);
  right: var(--space-md);
  height: 1.5px;
  background: var(--color-brass);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.nav-link:hover, .nav-link.active {
  color: var(--color-walnut);
  background: rgba(44,24,16,0.04);
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.nav-arrow { font-style: normal; font-size: 0.65rem; opacity: 0.5; margin-top: 1px; }

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--color-offwhite);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: var(--z-dropdown);
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu li a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.dropdown-menu li a:hover {
  background: var(--color-cream);
  color: var(--color-walnut);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mobile-menu-toggle:hover { background: var(--color-cream); }
.hamburger-line {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-walnut);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0; transform: scaleX(0);
}
.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-offwhite);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: calc(var(--z-header) - 1);
  padding: var(--space-xl) var(--container-pad) var(--space-3xl);
}
.mobile-menu.is-open { transform: translateX(0); }

.mobile-nav-list { display: flex; flex-direction: column; gap: var(--space-xs); }
.mobile-nav-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--space-md) 0;
  font-size: var(--text-lg);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-walnut);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  cursor: pointer;
  background: none;
  transition: color var(--transition-fast);
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--color-brass); }

.mobile-submenu {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: var(--space-sm) 0 var(--space-sm) var(--space-lg);
}
.mobile-submenu.is-open { display: flex; }
.mobile-submenu li a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: var(--text-md);
  color: var(--color-text-mid);
  transition: color var(--transition-fast);
}
.mobile-submenu li a:hover { color: var(--color-brass); }

.mobile-menu-cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

/* --------------------------------------------------------------------------
   9. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-walnut);
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg .hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.35;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(44, 24, 16, 0.75) 0%,
    rgba(44, 24, 16, 0.55) 40%,
    rgba(44, 24, 16, 0.80) 100%
  );
}

.hero-content {
  position: relative;
  z-index: var(--z-raised);
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--space-4xl);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-brass-pale);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}
.eyebrow-line {
  display: inline-block;
  width: 40px;
  height: 1px;
  background: var(--color-brass-pale);
  opacity: 0.5;
}

.hero-headline {
  font-size: clamp(var(--text-3xl), 7vw, var(--text-6xl));
  font-weight: 600;
  line-height: 1.0;
  color: var(--color-cream);
  margin-bottom: var(--space-xl);
  max-width: 700px;
  opacity: 0;
  animation: fadeInUp 0.9s ease 0.4s forwards;
}
.hero-headline em {
  font-style: italic;
  color: var(--color-brass-pale);
}

.hero-subline {
  font-size: clamp(var(--text-base), 2vw, var(--text-md));
  color: rgba(245, 237, 214, 0.80);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeInUp 0.9s ease 0.6s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-4xl);
  opacity: 0;
  animation: fadeInUp 0.9s ease 0.8s forwards;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xl);
  align-items: center;
  opacity: 0;
  animation: fadeInUp 0.9s ease 1.0s forwards;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-cream);
  line-height: 1;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--color-brass-pale);
  line-height: 1;
}
.stat-label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245,237,214,0.55);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(245,237,214,0.2);
  flex-shrink: 0;
}

/* Hero scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: var(--space-2xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  z-index: var(--z-raised);
  animation: fadeIn 1s ease 1.5s both;
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, var(--color-brass-pale));
  animation: scrollPulse 2s ease infinite;
}
.hero-scroll-cue span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245,237,214,0.4);
}

@keyframes scrollPulse {
  0%,100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* --------------------------------------------------------------------------
   10. Trust Bar / Marquee
   -------------------------------------------------------------------------- */
.trust-bar {
  background: var(--color-cream-dark);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  padding-block: var(--space-md);
}
.marquee-track {
  display: flex;
  gap: var(--space-xl);
  width: max-content;
  animation: marquee 30s linear infinite;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-mid);
  letter-spacing: 0.06em;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-track .dot { color: var(--color-brass); }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   11. Services Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.service-card-visual {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.service-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.service-card:hover .service-card-visual img {
  transform: scale(1.05);
}

.service-card-number {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-cream);
  background: rgba(44,24,16,0.75);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.08em;
}

.service-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-card-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-walnut);
  margin-bottom: var(--space-md);
}
.service-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}
.service-card-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex: 1;
}
.service-card-list li {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  padding-left: var(--space-lg);
  position: relative;
}
.service-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 1px;
  background: var(--color-brass);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-walnut);
  letter-spacing: 0.03em;
  transition: gap var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  margin-top: auto;
}
.service-card-link:hover {
  gap: var(--space-md);
  color: var(--color-brass);
}

.services-cta { text-align: center; margin-top: var(--space-3xl); }

/* --------------------------------------------------------------------------
   12. Process Section
   -------------------------------------------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0;
  position: relative;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  position: relative;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.process-step.is-visible { opacity: 1; transform: translateY(0); }
.process-step:nth-child(2) { transition-delay: 0.1s; }
.process-step:nth-child(3) { transition-delay: 0.2s; }
.process-step:nth-child(4) { transition-delay: 0.3s; }

.process-step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(184, 134, 11, 0.15);
  border: 1px solid rgba(184, 134, 11, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brass-pale);
  margin-bottom: var(--space-lg);
  flex-shrink: 0;
}

.process-step-content { flex: 1; }
.process-step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-brass);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: var(--space-sm);
}
.process-step-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-md);
}
.process-step p {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.65);
  line-height: 1.7;
}

.process-connector {
  position: absolute;
  top: calc(var(--space-2xl) + 36px);
  right: 0;
  width: 50%;
  height: 1px;
  background: linear-gradient(to right, rgba(184,134,11,0.3), rgba(184,134,11,0.1));
}
.process-step:last-child .process-connector { display: none; }

/* --------------------------------------------------------------------------
   13. Gallery Preview
   -------------------------------------------------------------------------- */
.gallery-preview-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-md);
  padding-inline: var(--container-pad);
  max-width: var(--container-max);
  margin-inline: auto;
}

.gallery-preview-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
}
.gallery-preview-item--large {
  grid-column: span 7;
  grid-row: span 2;
}
.gallery-preview-item:not(.gallery-preview-item--large):not(.gallery-preview-item--tall) {
  grid-column: span 5;
}
.gallery-preview-item--tall { grid-column: span 5; }

.gallery-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  display: block;
}
.gallery-preview-item--large { min-height: 500px; }
.gallery-preview-item:not(.gallery-preview-item--large) { min-height: 220px; }

.gallery-preview-item:hover img { transform: scale(1.05); }

.gallery-preview-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  background: linear-gradient(transparent, rgba(44,24,16,0.85));
  display: flex;
  flex-direction: column;
  gap: 2px;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}
.gallery-preview-item:hover figcaption { transform: translateY(0); }

.gallery-caption-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-brass-pale);
}
.gallery-caption-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-cream);
}

/* --------------------------------------------------------------------------
   14. About Preview
   -------------------------------------------------------------------------- */
.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.about-preview-media {
  position: relative;
}
.about-main-image {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 4/5;
  box-shadow: var(--shadow-xl);
}
.about-badge {
  position: absolute;
  bottom: var(--space-2xl);
  left: calc(-1 * var(--space-2xl));
  background: var(--color-walnut);
  color: var(--color-cream);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 1px solid rgba(184,134,11,0.3);
}
.badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1;
  color: var(--color-brass-pale);
}
.badge-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245,237,214,0.65);
  line-height: 1.4;
}
.about-inset-image {
  position: absolute;
  top: var(--space-2xl);
  right: calc(-1 * var(--space-xl));
  width: 180px;
  height: 130px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 4px solid var(--color-offwhite);
  box-shadow: var(--shadow-lg);
}

.about-preview-content {}
.about-intro {
  font-size: var(--text-md);
  color: var(--color-text-mid);
  line-height: 1.75;
  margin-bottom: var(--space-2xl);
}

.about-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}
.about-point {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}
.about-point-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  color: var(--color-brass);
  border: 1px solid var(--color-border);
}
.about-point h3 {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-walnut);
  margin-bottom: var(--space-xs);
}
.about-point p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.about-cta { display: flex; align-items: center; gap: var(--space-xl); }

/* --------------------------------------------------------------------------
   15. Materials Grid
   -------------------------------------------------------------------------- */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: var(--space-lg);
}

.material-card {
  background: var(--color-offwhite);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  cursor: default;
}
.material-card:hover, .material-card:focus {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  outline: none;
}
.material-card:focus-visible {
  outline: 2px solid var(--color-brass);
  outline-offset: 2px;
}

.material-swatch {
  height: 80px;
  width: 100%;
  position: relative;
}
.material-swatch::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23grain)' opacity='0.3'/%3E%3C/svg%3E");
  opacity: 0.3;
}

.material-info { padding: var(--space-lg) var(--space-xl); }
.material-name {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-walnut);
  margin-bottom: 2px;
}
.material-origin {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-brass);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: var(--space-md);
}
.material-desc {
  font-size: var(--text-sm);
  color: var(--color-text-mid);
  line-height: 1.65;
  margin-bottom: var(--space-md);
}
.material-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.material-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  color: var(--color-text-mid);
}

/* --------------------------------------------------------------------------
   16. Testimonials Slider
   -------------------------------------------------------------------------- */
.testimonials-slider {
  position: relative;
  overflow: hidden;
}
.testimonials-track {
  display: flex;
  transition: transform var(--transition-slow);
  gap: var(--space-xl);
}

.testimonial-card {
  flex: 0 0 calc(50% - var(--space-xl) / 2);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.testimonial-rating {
  font-size: var(--text-md);
  color: var(--color-brass);
  letter-spacing: 2px;
  margin-bottom: var(--space-lg);
}

.testimonial-card blockquote { margin: 0 0 var(--space-xl); }
.testimonial-card blockquote p {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-mid);
  line-height: 1.65;
}
.testimonial-card blockquote p::before { content: '\201C'; }
.testimonial-card blockquote p::after { content: '\201D'; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
}
.testimonial-avatar img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border);
}
.testimonial-meta { display: flex; flex-direction: column; gap: 2px; }
.testimonial-meta strong {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-walnut);
}
.testimonial-meta span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/* Slider controls */
.slider-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}
.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mid);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.slider-btn:hover {
  background: var(--color-walnut);
  border-color: var(--color-walnut);
  color: var(--color-cream);
}

.slider-dots { display: flex; gap: var(--space-sm); }
.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}
.slider-dot.active, .slider-dot[aria-selected="true"] {
  background: var(--color-walnut);
  width: 24px;
  border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   17. FAQ Section
   -------------------------------------------------------------------------- */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-4xl);
  align-items: start;
}
.faq-header { position: sticky; top: calc(var(--header-height) + var(--space-xl)); }
.faq-header p { color: var(--color-text-mid); margin-top: var(--space-lg); }

.faq-list { display: flex; flex-direction: column; gap: 0; }

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

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-walnut);
  transition: color var(--transition-fast);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::marker { display: none; }
.faq-question:hover { color: var(--color-brass); }

.faq-icon {
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-brass);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: var(--text-md);
  transition: transform var(--transition-base), background var(--transition-fast);
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--color-walnut);
  border-color: var(--color-walnut);
  color: var(--color-cream);
}

.faq-answer {
  padding-bottom: var(--space-xl);
  padding-right: var(--space-3xl);
}
.faq-answer p {
  color: var(--color-text-mid);
  line-height: 1.75;
  font-size: var(--text-base);
}

/* --------------------------------------------------------------------------
   18. CTA Section
   -------------------------------------------------------------------------- */
.cta-section {
  position: relative;
  padding-block: clamp(5rem, 10vw, 10rem);
  overflow: hidden;
  background: var(--color-walnut);
}
.cta-bg {
  position: absolute;
  inset: 0;
}
.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}
.cta-bg .grain-overlay { opacity: 0.05; }

.cta-content {
  position: relative;
  z-index: var(--z-raised);
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
}
.cta-title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
  font-weight: 600;
  color: var(--color-cream);
  margin-bottom: var(--space-xl);
  line-height: 1.1;
}
.cta-title em { font-style: italic; color: var(--color-brass-pale); }
.cta-desc {
  font-size: var(--text-md);
  color: rgba(245,237,214,0.75);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

/* --------------------------------------------------------------------------
   19. Newsletter
   -------------------------------------------------------------------------- */
.newsletter-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4xl);
  background: var(--color-cream);
  border-radius: var(--radius-xl);
  padding: var(--space-3xl);
  border: 1px solid var(--color-border);
}
.newsletter-content { flex: 1; }
.newsletter-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-walnut);
  margin-bottom: var(--space-md);
}
.newsletter-content p { color: var(--color-text-mid); }
.newsletter-form { flex: 1; }

.newsletter-field {
  display: flex;
  gap: var(--space-sm);
}
.newsletter-field input {
  flex: 1;
  padding: 0.875rem var(--space-lg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.newsletter-field input:focus {
  outline: none;
  border-color: var(--color-walnut);
  box-shadow: 0 0 0 3px rgba(44,24,16,0.08);
}
.newsletter-field input::placeholder { color: var(--color-text-light); }

.newsletter-message {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  min-height: 20px;
}
.newsletter-message.success { color: var(--color-success); }
.newsletter-message.error   { color: var(--color-error); }

.newsletter-privacy {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: var(--space-sm);
}
.newsletter-privacy a { color: var(--color-brass); text-decoration: underline; }

/* --------------------------------------------------------------------------
   20. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-walnut);
  color: var(--color-cream);
}

.footer-top {
  padding-block: var(--space-4xl) var(--space-3xl);
  border-bottom: 1px solid rgba(245,237,214,0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-3xl);
}

.footer-brand {}
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-cream);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  text-decoration: none;
  margin-bottom: var(--space-lg);
}
.footer-logo em { font-style: italic; color: var(--color-brass-pale); }
.footer-logo-img { height: 52px; width: auto; display: block; background: var(--color-cream); border-radius: 8px; padding: 4px 6px; }
.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.6);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245,237,214,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(245,237,214,0.6);
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  background: rgba(184,134,11,0.2);
  border-color: var(--color-brass);
  color: var(--color-brass-pale);
}

.footer-col {}
.footer-col-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brass);
  margin-bottom: var(--space-xl);
}

.footer-links { display: flex; flex-direction: column; gap: var(--space-md); }
.footer-links a {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.6);
  transition: color var(--transition-fast);
  text-decoration: none;
}
.footer-links a:hover { color: var(--color-cream); }

.footer-address { font-style: normal; }
.footer-address p {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.6);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}
.footer-address a {
  color: rgba(245,237,214,0.6);
  transition: color var(--transition-fast);
}
.footer-address a:hover { color: var(--color-cream); }
.footer-address svg { flex-shrink: 0; margin-top: 2px; }

.footer-hours { margin-top: var(--space-lg); }
.footer-hours p {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.5);
  line-height: 1.8;
}
.footer-hours strong { color: rgba(245,237,214,0.75); }

.footer-bottom {
  padding-block: var(--space-xl);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.footer-legal {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.4);
}
.footer-legal-links {
  display: flex;
  gap: var(--space-xl);
}
.footer-legal-links a {
  font-size: var(--text-sm);
  color: rgba(245,237,214,0.4);
  transition: color var(--transition-fast);
  text-decoration: none;
}
.footer-legal-links a:hover { color: var(--color-cream); }

/* --------------------------------------------------------------------------
   21. Floating Widgets
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-2xl);
  right: var(--space-2xl);
  z-index: var(--z-float);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37,211,102,0.5);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  white-space: nowrap;
  background: var(--color-walnut);
  color: var(--color-cream);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  opacity: 0;
  transform: translateX(8px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--color-walnut);
}

.back-to-top {
  position: fixed;
  bottom: calc(var(--space-2xl) + 64px);
  right: var(--space-2xl);
  z-index: var(--z-float);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-walnut);
  color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-spring), opacity var(--transition-base);
  opacity: 0;
  border: none;
  cursor: pointer;
}
.back-to-top:not([hidden]) { opacity: 1; }
.back-to-top:hover { transform: translateY(-4px); }

/* --------------------------------------------------------------------------
   22. Form Styles (Global)
   -------------------------------------------------------------------------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-walnut);
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem var(--space-lg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-walnut);
  box-shadow: 0 0 0 3px rgba(44,24,16,0.08);
}
.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
}
.form-input.is-success,
.form-textarea.is-success {
  border-color: var(--color-success);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-light); }

.form-textarea { resize: vertical; min-height: 140px; }

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: 2px;
}
.form-message {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  display: none;
}
.form-message.success {
  display: block;
  background: rgba(39,174,96,0.1);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}
.form-message.error {
  display: block;
  background: rgba(192,57,43,0.08);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}

/* --------------------------------------------------------------------------
   23. Animation Keyframes
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Intersection Observer reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --------------------------------------------------------------------------
   24. Responsive Breakpoints
   -------------------------------------------------------------------------- */

/* Large Tablet */
@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
  .about-preview-grid {
    gap: var(--space-3xl);
  }
  .about-badge {
    left: var(--space-lg);
    bottom: var(--space-lg);
  }
  .about-inset-image { display: none; }
}

/* Tablet */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .btn-phone { display: none; }
  .mobile-menu-toggle { display: flex; }

  .about-preview-grid {
    grid-template-columns: 1fr;
  }
  .about-preview-media { max-width: 500px; margin-inline: auto; }
  .about-badge { left: var(--space-md); }

  .faq-layout {
    grid-template-columns: 1fr;
  }
  .faq-header { position: static; margin-bottom: var(--space-2xl); }

  .newsletter-inner {
    flex-direction: column;
    gap: var(--space-2xl);
  }
  .newsletter-field { flex-direction: column; }

  .gallery-preview-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-preview-item--large {
    grid-column: span 2;
    min-height: 350px;
  }
  .gallery-preview-item:not(.gallery-preview-item--large):not(.gallery-preview-item--tall) {
    grid-column: span 1;
  }
  .gallery-preview-item--tall { grid-column: span 1; }

  .testimonial-card {
    flex: 0 0 calc(80vw);
  }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --header-height: 64px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: var(--space-lg);
    justify-content: center;
  }
  .stat-divider { display: none; }

  .process-steps {
    grid-template-columns: 1fr;
  }
  .process-connector { display: none; }

  .gallery-preview-grid {
    grid-template-columns: 1fr;
  }
  .gallery-preview-item--large,
  .gallery-preview-item:not(.gallery-preview-item--large):not(.gallery-preview-item--tall),
  .gallery-preview-item--tall {
    grid-column: span 1;
    min-height: 260px;
  }

  .materials-grid { grid-template-columns: 1fr; }

  .testimonial-card { flex: 0 0 calc(92vw); }

  .cta-actions { flex-direction: column; align-items: center; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-2xl); }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .footer-legal-links { justify-content: center; }

  .about-cta { flex-direction: column; align-items: flex-start; }

  .newsletter-inner { padding: var(--space-xl); }
}

/* Print */
@media print {
  .site-header,
  .whatsapp-float,
  .back-to-top,
  .mobile-menu,
  .hero-scroll-cue,
  .trust-bar,
  .cta-section,
  .newsletter-section {
    display: none !important;
  }
  body { font-size: 12pt; color: #000; }
  a[href]::after { content: " (" attr(href) ")"; }
}