/* ==========================================================================
   BACKDRAFT WOODWORKING - Main Master Stylesheet
   Luxury Artisan Woodcraft & Custom Architectural Joinery
   ========================================================================== */

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

:root {
  /* Color Palette - Natural Tones Theme */
  --color-primary: #3D2B1F;         /* Dark Timber Walnut */
  --color-primary-light: #4A372A;   /* Medium Timber */
  --color-accent: #C5A059;          /* Warm Gold / Amber Accent */
  --color-accent-hover: #B38E4A;    /* Rich Gold Hover */
  --color-accent-dark: #A47E3A;     /* Deep Gold */
  --color-bg: #F9F7F4;              /* Linen / Natural Light Canvas */
  --color-surface: #FFFFFF;         /* Pure White */
  --color-surface-dark: #2C241E;    /* Dark Espresso Canvas */
  --color-surface-card: #F0EDE8;    /* Soft Sand / Light Timber Surface */
  --color-text: #2C241E;             /* Dark Espresso Text */
  --color-text-muted: #5A4F46;       /* Warm Muted Timber Text */
  --color-text-light: #F0EDE8;       /* Light Linen Text for Dark Sections */
  --color-border: #E8E2D9;           /* Refined Border Accent */
  --color-border-dark: #4A3B31;      /* Dark Section Border */
  --color-gold: #C5A059;             /* Antique Gold Accent */

  /* Typography */
  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  /* Shadows & Radius */
  --shadow-sm: 0 2px 8px rgba(42, 29, 23, 0.05);
  --shadow-md: 0 8px 24px rgba(42, 29, 23, 0.08);
  --shadow-lg: 0 16px 40px rgba(42, 29, 23, 0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  /* Layout & Transitions */
  --max-width: 1280px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --nav-height: 88px;
}

/* ==========================================================================
   Reset & Base Setup
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
}

.heading-xl {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  letter-spacing: -0.02em;
}

.heading-lg {
  font-size: clamp(2rem, 3.5vw, 3rem);
  letter-spacing: -0.01em;
}

.heading-md {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
}

.heading-sm {
  font-size: 1.25rem;
}

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

.text-accent {
  color: var(--color-accent);
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.tagline::before {
  content: '';
  width: 24px;
  height: 2px;
  background-color: var(--color-accent);
}

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

.section {
  padding: 6rem 0;
}

.section-dark {
  background-color: var(--color-surface-dark);
  color: var(--color-text-light);
}

.section-dark h1, 
.section-dark h2, 
.section-dark h3, 
.section-dark h4 {
  color: #FFFFFF;
}

.section-dark .text-muted {
  color: #B3A89F;
}

.text-center {
  text-align: center;
}

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

/* ==========================================================================
   Buttons & Links
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(200, 122, 56, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 122, 56, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-secondary-light {
  background-color: transparent;
  color: #FFFFFF;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary-light:hover {
  border-color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.65rem 1.25rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
  background-color: rgba(250, 247, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 221, 211, 0.6);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  height: 76px;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.brand-logo-icon {
  width: 42px;
  height: 42px;
  background-color: var(--color-primary);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-primary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

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

.nav-link.active {
  color: var(--color-accent);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--nav-height) + 2rem);
  padding-bottom: 5rem;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--color-surface-dark);
  color: #FFFFFF;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: contrast(1.05) brightness(0.8);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    rgba(28, 19, 14, 0.92) 0%, 
    rgba(28, 19, 14, 0.75) 60%, 
    rgba(42, 29, 23, 0.85) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-title {
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--color-text-light);
  margin-bottom: 2.5rem;
  line-height: 1.6;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  flex-wrap: wrap;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-badge-item svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ==========================================================================
   Feature Cards & Grid Layouts
   ========================================================================== */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  align-items: center;
}

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  transition: var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 122, 56, 0.4);
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-surface-card);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-accent);
}

.card-link:hover {
  gap: 0.75rem;
}

/* ==========================================================================
   Project Showcase Cards
   ========================================================================== */

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 122, 56, 0.4);
}

.project-thumb {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
}

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

.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(28, 19, 14, 0.85);
  color: var(--color-accent);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--color-border);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   Craftsmanship Process
   ========================================================================== */

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
}

.process-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(200, 122, 56, 0.2);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.process-title {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  padding-right: 2rem;
}

/* ==========================================================================
   Interactive Gallery
   ========================================================================== */

.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  background-color: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 320px;
  cursor: pointer;
  background-color: var(--color-surface-dark);
}

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

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(28, 19, 14, 0.9) 0%, transparent 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.75rem;
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-title {
  color: #FFFFFF;
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.gallery-sub {
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 10, 7, 0.92);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  max-width: 1000px;
  width: 100%;
  position: relative;
  text-align: center;
}

.lightbox-img {
  max-height: 80vh;
  margin: 0 auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.lightbox-caption {
  color: #FFFFFF;
  margin-top: 1rem;
  font-size: 1.1rem;
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: #FFFFFF;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
}

/* ==========================================================================
   Contact & Consultation Form
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info-box {
  background-color: var(--color-surface-dark);
  color: var(--color-text-light);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2.5rem 0;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(200, 122, 56, 0.15);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-accent);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(200, 122, 56, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-success-toast {
  display: none;
  background-color: #10B981;
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-surface-dark);
  color: var(--color-text-light);
  padding-top: 5rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: #B3A89F;
  margin-top: 1rem;
  max-width: 340px;
  font-size: 0.95rem;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-links a {
  color: #B3A89F;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: #B3A89F;
}

/* ==========================================================================
   Privacy Policy Container Page
   ========================================================================== */

.policy-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem 3rem;
  box-shadow: var(--shadow-sm);
}

.policy-placeholder-box {
  background-color: var(--color-surface-card);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--color-text-muted);
  margin-top: 2rem;
}

/* ==========================================================================
   Animations & Responsive Adjustments
   ========================================================================== */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .grid-2, .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background-color: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform 0.4s ease;
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}