/* -------------------------------------------------------------------
   STUDIO MAISON INTERIOR DESIGN - FULLY RESPONSIVE LUXURY STYLESHEET
   ------------------------------------------------------------------- */

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

:root {
  /* Color Palette - Luxury Warm Neutrals & Charcoal */
  --bg-primary: #FAF8F5;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F4EFEE;
  --bg-dark: #121417;
  --bg-dark-surface: #1B1E23;
  --bg-dark-card: #23272E;

  --color-primary: #121417;
  --color-secondary: #5A5E66;
  --color-muted: #8E939D;
  --color-light: #F7F5F0;
  --color-white: #FFFFFF;

  --color-gold: #C5A880;
  --color-gold-hover: #B09168;
  --color-gold-light: #F4EDE2;

  --border-light: rgba(18, 20, 23, 0.08);
  --border-gold: rgba(197, 168, 128, 0.35);
  --border-dark: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-padding: 120px 5%;
  --section-padding-mobile: 70px 5%;
  --container-max: 1320px;

  /* Transitions & Shadows */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease-in-out;
  --shadow-subtle: 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 20px 40px rgba(0, 0, 0, 0.08);
  --shadow-dark: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* -------------------------------------------------------------------
   RESET, BASE & SELECTION STYLES
   ------------------------------------------------------------------- */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--color-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

/* Custom Scrollbar Optimization */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--color-gold);
  border-radius: 0px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold-hover);
}

/* Luxury Selection Styling */
::selection {
  background-color: var(--color-gold);
  color: var(--bg-dark);
}

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

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 16px; /* Prevents auto-zoom on mobile iOS Safari */
  outline: none;
  border: none;
}

/* Section Rendering Performance Optimization */
.about-section, .services-section, .projects-section, .process-section, .contact-section {
  content-visibility: auto;
  contain-intrinsic-size: 800px;
}

/* Hardware Acceleration Helpers */
.project-card, .service-card, .process-card, .btn {
  will-change: transform;
  transform: translateZ(0);
}

/* -------------------------------------------------------------------
   TYPOGRAPHY UTILITIES
   ------------------------------------------------------------------- */

.font-serif {
  font-family: var(--font-serif);
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
}

.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.25rem;
  height: 1px;
  background-color: var(--color-gold);
}

.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.section-subheading {
  font-size: 1.05rem;
  color: var(--color-secondary);
  max-width: 640px;
  margin-bottom: 3.5rem;
  font-weight: 300;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
}

/* -------------------------------------------------------------------
   BUTTONS & CTAS
   ------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.1rem 2.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 0;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  z-index: 1;
  min-height: 48px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover, .btn-primary:active {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover, .btn-secondary:active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-gold {
  background-color: var(--color-gold);
  color: var(--color-white);
  border: 1px solid var(--color-gold);
}

.btn-gold:hover, .btn-gold:active {
  background-color: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  box-shadow: 0 10px 25px rgba(197, 168, 128, 0.35);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover, .btn-outline-light:active {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-primary);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border: 1px solid #25D366;
}

.btn-whatsapp:hover, .btn-whatsapp:active {
  background-color: #1EBE5A;
  border-color: #1EBE5A;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

.btn-sm {
  padding: 0.75rem 1.4rem;
  font-size: 0.78rem;
  min-height: 40px;
}

/* Icon SVG styling */
.btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.btn:hover svg {
  transform: translateX(3px);
}

/* Floating WhatsApp Quick Access Widget */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 0.85rem 1.4rem;
  border-radius: 50px;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: var(--transition-smooth);
}

.floating-whatsapp:hover, .floating-whatsapp:active {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 15px 35px rgba(37, 211, 102, 0.5);
  background-color: #1EBE5A;
}

.floating-whatsapp svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* -------------------------------------------------------------------
   1. HEADER & NAVIGATION
   ------------------------------------------------------------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5%;
  max-width: var(--container-max);
  margin: 0 auto;
}

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

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  line-height: 1;
}

.brand-subtitle {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 0.25rem;
  font-weight: 600;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  position: relative;
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width 0.3s ease;
}

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

.nav-mobile-actions {
  display: none;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.header-phone-link:hover {
  color: var(--color-gold);
}

.header-phone-link svg {
  width: 15px;
  height: 15px;
  fill: var(--color-gold);
}

/* Pure CSS Mobile Navigation Checkbox Toggle & Backdrop */
.nav-toggle-input {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  z-index: 1002;
  padding: 2px 0;
}

.nav-toggle-label span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-fast);
}

.nav-mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(18, 20, 23, 0.7);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* -------------------------------------------------------------------
   2. HERO SECTION
   ------------------------------------------------------------------- */

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(
      to bottom,
      rgba(18, 20, 23, 0.5),
      rgba(18, 20, 23, 0.7)
    ),
    url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--color-white);
  padding: 140px 5% 80px;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  z-index: 2;
  animation: heroFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 1.5rem;
  display: block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 6vw, 5.5rem);
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 1.75rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-style: italic;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 3rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition-fast);
}

.scroll-indicator:hover {
  color: var(--color-gold);
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 3px;
  height: 6px;
  background-color: var(--color-gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 18px; }
}

/* -------------------------------------------------------------------
   3. ABOUT SECTION
   ------------------------------------------------------------------- */

.about-section {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  height: 580px;
  object-fit: cover;
  box-shadow: var(--shadow-elevated);
}

.about-image-badge {
  position: absolute;
  bottom: -2rem;
  right: -2rem;
  background-color: var(--bg-dark);
  color: var(--color-white);
  padding: 2rem;
  border-left: 3px solid var(--color-gold);
  box-shadow: var(--shadow-dark);
  max-width: 220px;
}

.about-image-badge .number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold);
  line-height: 1;
  font-weight: 400;
}

.about-image-badge .label {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 0.5rem;
  display: block;
}

.about-text-content p {
  color: var(--color-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 400;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* -------------------------------------------------------------------
   4. SERVICES SECTION
   ------------------------------------------------------------------- */

.services-section {
  padding: var(--section-padding);
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-primary);
  padding: 3rem 2.2rem;
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-elevated);
  background-color: var(--bg-surface);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.service-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--color-secondary);
  line-height: 1.65;
  font-weight: 300;
}

.service-arrow {
  margin-top: auto;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  transition: var(--transition-fast);
}

.service-card:hover .service-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* -------------------------------------------------------------------
   5. FEATURED PROJECTS (SELECTED WORKS)
   ------------------------------------------------------------------- */

.projects-section {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.projects-header-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  height: 480px;
  background-color: var(--bg-dark);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0.9;
}

.project-card:hover .project-image {
  transform: scale(1.08);
  opacity: 0.75;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(18, 20, 23, 0.92) 0%, rgba(18, 20, 23, 0.15) 60%);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: var(--transition-smooth);
}

.project-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
  transform: translateY(10px);
  transition: var(--transition-smooth);
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  font-weight: 400;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.project-card:hover .project-category {
  transform: translateY(0);
}

/* -------------------------------------------------------------------
   6. DESIGN PHILOSOPHY SECTION
   ------------------------------------------------------------------- */

.philosophy-section {
  padding: 140px 5%;
  background-color: var(--bg-dark);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.philosophy-container {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.philosophy-quote-mark {
  font-family: var(--font-serif);
  font-size: 8rem;
  color: var(--color-gold);
  opacity: 0.25;
  line-height: 0;
  margin-bottom: 2rem;
  display: block;
}

.philosophy-quote {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.25;
  color: var(--color-white);
  margin-bottom: 2.5rem;
  letter-spacing: -0.01em;
}

.philosophy-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 720px;
  margin: 0 auto;
  font-weight: 300;
  line-height: 1.8;
}

/* -------------------------------------------------------------------
   7. DESIGN PROCESS SECTION
   ------------------------------------------------------------------- */

.process-section {
  padding: var(--section-padding);
  background-color: var(--bg-surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-card {
  background-color: var(--bg-primary);
  padding: 3rem 2rem;
  border-top: 2px solid var(--border-light);
  transition: var(--transition-smooth);
  position: relative;
}

.process-card:hover {
  border-top-color: var(--color-gold);
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

.process-step {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.process-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.process-desc {
  font-size: 0.9rem;
  color: var(--color-secondary);
  line-height: 1.65;
  font-weight: 300;
}

/* -------------------------------------------------------------------
   8. CTA BANNER SECTION
   ------------------------------------------------------------------- */

.cta-section {
  padding: 100px 5%;
  background-color: var(--bg-dark-surface);
  color: var(--color-white);
  border-top: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  text-align: center;
}

.cta-container {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 300;
  margin-bottom: 1.25rem;
  color: var(--color-white);
}

.cta-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 3rem;
  font-weight: 300;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* -------------------------------------------------------------------
   9. CONTACT SECTION
   ------------------------------------------------------------------- */

.contact-section {
  padding: var(--section-padding);
  background-color: var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
}

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

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

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-gold-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--color-gold);
}

.contact-detail-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}

.contact-detail-value {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-primary);
}

.contact-whatsapp-card {
  margin-top: 3rem;
  padding: 2rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-gold);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-whatsapp-card h4 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: 500;
}

.contact-whatsapp-card p {
  font-size: 0.9rem;
  color: var(--color-secondary);
  font-weight: 300;
}

/* Contact Form UI */
.contact-form-container {
  background-color: var(--bg-surface);
  padding: 3.5rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-subtle);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  font-size: 1rem;
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-gold);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.15);
}

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

/* -------------------------------------------------------------------
   10. FOOTER
   ------------------------------------------------------------------- */

.site-footer {
  background-color: var(--bg-dark);
  color: var(--color-white);
  padding: 100px 5% 40px;
  border-top: 1px solid var(--border-dark);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 5rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.footer-brand-tagline {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.footer-nav-link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--color-gold);
}

.footer-bottom {
  padding-top: 2.5rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
  gap: 1rem;
}

/* -------------------------------------------------------------------
   RESPONSIVE DESIGN (TABLET & MOBILE BREAKPOINTS)
   ------------------------------------------------------------------- */

/* Tablet Breakpoint (<= 1024px) */
@media (max-width: 1024px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .about-image {
    height: 460px;
  }

  .about-image-badge {
    bottom: -1.5rem;
    right: 1rem;
  }

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

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }

  .projects-header-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}

/* Mobile Breakpoint (<= 768px) */
@media (max-width: 768px) {
  :root {
    --section-padding: 70px 5%;
  }

  /* Disable fixed background attachment on mobile for smooth performance */
  .hero-section {
    background-attachment: scroll;
    padding: 120px 5% 70px;
  }

  .floating-whatsapp {
    bottom: 1.25rem;
    right: 1.25rem;
    padding: 0.75rem 1.15rem;
    font-size: 0.8rem;
  }

  /* Mobile Drawer Menu */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--bg-dark);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 2rem;
    gap: 1.75rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-dark);
    z-index: 1001;
  }

  .nav-link {
    color: var(--color-white);
    font-size: 1.1rem;
  }

  .nav-mobile-actions {
    display: flex;
  }

  .header-actions {
    display: none;
  }

  .nav-toggle-label {
    display: flex;
  }

  /* Hamburger Toggle Activation */
  .nav-toggle-input:checked ~ .nav-menu {
    right: 0;
  }

  .nav-toggle-input:checked ~ .nav-mobile-backdrop {
    display: block;
    opacity: 1;
  }

  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background-color: var(--color-white);
  }

  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle-input:checked ~ .nav-toggle-label span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background-color: var(--color-white);
  }

  .hero-cta-group, .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

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

  /* Make project overlay categories visible on mobile without hover */
  .project-card {
    height: 360px;
  }

  .project-category {
    transform: translateY(0);
  }

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

  .stats-container {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .contact-form-container {
    padding: 2rem 1.25rem;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .philosophy-section {
    padding: 90px 5%;
  }
}

/* Small Mobile Breakpoint (<= 480px) */
@media (max-width: 480px) {
  .brand-name {
    font-size: 1.45rem;
  }

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

  .about-image {
    height: 320px;
  }

  .about-image-badge {
    position: relative;
    right: 0;
    bottom: 0;
    margin-top: 1rem;
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  .floating-whatsapp span {
    display: none; /* Icon-only compact badge on micro screens */
  }

  .floating-whatsapp {
    padding: 0.85rem;
    border-radius: 50%;
  }
}