/* ==========================================================================
   ALEM DESIGN — ARCHITECTURE INTÉRIEURE & DESIGN SUR MESURE
   Design System & Editorial Architecture Stylesheet
   ========================================================================== */

:root {
  /* Architectural Color Palette (Inspired by Stone, Walnut, Travertine, Brass) */
  --color-bg-ivory: #F9F7F3;
  --color-bg-sand: #F2EFE9;
  --color-bg-surface: #EBE6DC;
  --color-bg-white: #FFFFFF;
  --color-bg-card: #FAF8F5;

  --color-text-primary: #1C1A17;
  --color-text-secondary: #57524A;
  --color-text-muted: #827C72;
  --color-text-light: #A8A298;

  --color-accent-brass: #9E7D52;
  --color-accent-brass-hover: #8A6B42;
  --color-accent-brass-light: #DFCEB8;
  --color-accent-olive: #5B6154;

  --color-border-subtle: #E6E1D7;
  --color-border-medium: #D5CEBF;
  --color-border-dark: #2A2723;

  /* Typography */
  --font-serif: 'Cormorant Garamond', Garamond, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing Scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Transitions & Shadows */
  --ease-calm: cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: 0.2s var(--ease-calm);
  --transition-normal: 0.35s var(--ease-calm);
  --transition-slow: 0.6s var(--ease-calm);

  --shadow-subtle: 0 4px 20px rgba(28, 26, 23, 0.04);
  --shadow-card: 0 8px 30px rgba(28, 26, 23, 0.06);
  --shadow-modal: 0 24px 60px rgba(28, 26, 23, 0.15);

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;
}

/* Reset & Box Sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-ivory);
  color: var(--color-text-primary);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
  selection-background-color: var(--color-accent-brass-light);
}

::selection {
  background-color: var(--color-accent-brass-light);
  color: var(--color-text-primary);
}

/* Typography Base */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.18;
  color: var(--color-text-primary);
  letter-spacing: -0.015em;
}

p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

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

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

/* Container */
.section-container {
  width: 100%;
  max-width: 1360px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1.25rem, 4vw, 3.5rem);
  padding-right: clamp(1.25rem, 4vw, 3.5rem);
}

/* ==========================================================================
   ARCHITECTURAL SCROLL ANIMATIONS (RESTRAINED & SILKY SMOOTH)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Stagger Delays for Grouped Elements */
.reveal-delay-1 {
  transition-delay: 0.08s;
}

.reveal-delay-2 {
  transition-delay: 0.16s;
}

.reveal-delay-3 {
  transition-delay: 0.24s;
}

.reveal-delay-4 {
  transition-delay: 0.32s;
}

/* Image Soft Scale Reveal */
.reveal-zoom {
  opacity: 0;
  transform: scale(0.98) translateY(16px);
  transition: opacity 0.95s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.95s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-zoom.is-revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

@media (prefers-reduced-motion: reduce) {

  .reveal-on-scroll,
  .reveal-zoom {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.top-bar {
  background-color: var(--color-bg-sand);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  padding: 0.5rem 0;
}

.top-bar-container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-brass);
  display: inline-block;
  animation: pulse-dot 2.5s infinite ease-in-out;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(1.3);
  }
}

.divider {
  opacity: 0.4;
}

.top-bar-link {
  color: var(--color-text-primary);
  font-weight: 500;
  border-bottom: 1px solid var(--color-text-primary);
}

.top-bar-link:hover {
  color: var(--color-accent-brass);
  border-color: var(--color-accent-brass);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(249, 247, 243, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(249, 247, 243, 0.98);
  box-shadow: 0 4px 20px rgba(28, 26, 23, 0.05);
  border-bottom-color: var(--color-border-medium);
}

.header-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 1.15rem clamp(1.5rem, 4vw, 4.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-logo-img {
  height: 46px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.brand-logo:hover .site-logo-img {
  opacity: 0.85;
}

.footer-logo-img {
  height: 50px;
  max-width: 180px;
  filter: brightness(1.25) contrast(1.05);
}

.desktop-nav {
  display: flex;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.85rem;
  align-items: center;
}

.nav-link {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 500;
  position: relative;
  padding: 0.35rem 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--color-accent-brass);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  text-transform: uppercase;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-solid {
  background-color: var(--color-text-primary);
  color: var(--color-bg-ivory);
  border-color: var(--color-text-primary);
}

.btn-solid:hover {
  background-color: var(--color-accent-brass);
  border-color: var(--color-accent-brass);
  color: #FFFFFF;
}

.btn-primary-outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-dark);
}

.btn-primary-outline:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg-ivory);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border-medium);
}

.btn-ghost:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
  background-color: rgba(28, 26, 23, 0.03);
}

.btn-full {
  width: 100%;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
}

.mobile-toggle .bar {
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-normal);
}

.mobile-toggle .bar:nth-child(2) {
  width: 16px;
}

.mobile-toggle.open .bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.mobile-toggle.open .bar:nth-child(2) {
  width: 24px;
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-bg-ivory);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
  padding: 2rem clamp(1.25rem, 4vw, 3.5rem);
}

.mobile-nav-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-text-primary);
  display: block;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 0.5rem;
}

.mobile-drawer-footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.mobile-phone {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-accent-brass);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  width: 100%;
  padding-top: clamp(2rem, 3.5vw, 3.5rem);
  padding-bottom: clamp(2.5rem, 4vw, 4.5rem);
  background: linear-gradient(180deg, var(--color-bg-ivory) 0%, var(--color-bg-sand) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hero-container {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0 clamp(1.5rem, 4vw, 4.5rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 4vw, 4.5rem);
  align-items: center;
}

.hero-tagline {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.arch-line {
  width: 32px;
  height: 1px;
  background-color: var(--color-accent-brass);
  display: inline-block;
}

.tagline-text {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
}

.hero-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.6rem);
  line-height: 1.14;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: clamp(0.98rem, 1.15vw, 1.1rem);
  line-height: 1.75;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* Hero Visual — Slider/Carousel */
.hero-visual {
  position: relative;
  width: 100%;
  max-width: 100%;
  justify-self: end;
  align-self: stretch;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: clamp(520px, 64vh, 700px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(28, 26, 23, 0.12);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
}

/* Animated Progress Bar at Top */
.hero-slider-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.22);
  z-index: 15;
}

.hero-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent-brass), var(--color-accent-brass-light));
  transition: width 0.1s linear;
}

/* Real Horizontal Slide Track */
.hero-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.hero-slide {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1);
  transition: transform 5s ease-out;
}

.hero-slide.active .hero-img {
  transform: scale(1.04);
}

.hero-image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(20, 18, 16, 0.9) 100%);
  color: #FFFFFF;
  padding: 2.5rem 2rem 1.5rem;
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  z-index: 2;
}

.caption-marker {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-accent-brass-light);
  line-height: 1;
}

.caption-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.92);
}

/* Slider Arrows */
.hero-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(28, 26, 23, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  opacity: 0.85;
}

.hero-slider:hover .hero-slider-arrow {
  opacity: 1;
}

.hero-slider-prev {
  left: 1.25rem;
}

.hero-slider-next {
  right: 1.25rem;
}

.hero-slider-arrow:hover {
  background: rgba(200, 169, 126, 0.9);
  color: var(--color-text-primary);
  border-color: var(--color-accent-brass);
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

/* Slider Dots */
.hero-slider-dots {
  position: absolute;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.slider-dot.active {
  width: 28px;
  border-radius: 10px;
  background: var(--color-accent-brass);
  border-color: var(--color-accent-brass);
}

.slider-dot:hover:not(.active) {
  background: rgba(255, 255, 255, 0.5);
}

/* Slider Counter */
.hero-slider-counter {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  z-index: 5;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
  background: rgba(28, 26, 23, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 0.45rem 0.85rem;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.counter-current {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-accent-brass-light);
  font-weight: 500;
}

.counter-sep {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin: 0 0.1rem;
}

.counter-total {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   MOTION TYPOGRAPHY / ARCHITECTURAL MANIFESTO & SERVICES STREAM
   ========================================================================== */
.motion-typo-section {
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-ivory);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  user-select: none;
  z-index: 2;
}

.motion-typo-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.motion-typo-stream {
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  display: flex;
  align-items: center;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.stream-light {
  background-color: var(--color-bg-sand);
  padding: 1.2rem 0;
}

.motion-typo-track {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  width: max-content;
  will-change: transform;
}

.track-left {
  animation: typoMarqueeLeft 45s linear infinite;
}

@keyframes typoMarqueeLeft {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.motion-typo-content {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  padding-right: clamp(1.5rem, 3vw, 2.75rem);
}

.typo-word-serif {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.7vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  line-height: 1;
}

.typo-word-caps {
  font-family: var(--font-sans);
  font-size: clamp(0.72rem, 1.1vw, 0.86rem);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.typo-word-italic {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.3vw, 1.95rem);
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent-brass);
}

.typo-glyph {
  color: var(--color-accent-brass);
  font-size: 0.85rem;
  opacity: 0.75;
  margin: 0 0.25rem;
}

@media (max-width: 768px) {
  .stream-light {
    padding: 0.95rem 0;
  }
  .track-left {
    animation-duration: 28s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .track-left {
    animation: none;
    overflow-x: auto;
  }
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section {
  padding-top: clamp(4rem, 7vw, 7.5rem);
  padding-bottom: clamp(4rem, 7vw, 7.5rem);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.2;
  color: var(--color-text-primary);
  max-width: 800px;
}

.section-header-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: flex-end;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-header-center {
  text-align: center;
  max-width: 700px;
  margin: 0 auto clamp(2.5rem, 4vw, 4rem);
}

/* ==========================================================================
   STUDIO / ABOUT SECTION
   ========================================================================== */
.studio-section {
  background-color: var(--color-bg-ivory);
}

.studio-header {
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}

.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: start;
}

.studio-image-wrapper {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-sand);
  box-shadow: var(--shadow-card);
}

.studio-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.studio-material-legend {
  padding: 1rem 1.25rem;
  background-color: var(--color-bg-card);
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.legend-dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-accent-brass);
  border-radius: 50%;
  flex-shrink: 0;
}

.lead-paragraph {
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

.body-text {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.studio-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.pillar-card {
  display: flex;
  flex-direction: column;
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-accent-brass);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.pillar-title {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.pillar-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.studio-quote {
  border-left: 2px solid var(--color-accent-brass);
  padding-left: 1.5rem;
}

.studio-quote blockquote {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.studio-quote cite {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-style: normal;
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
  background-color: var(--color-bg-sand);
}

.services-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--color-border-medium);
}

.service-item {
  display: grid;
  grid-template-columns: 180px 1fr 200px;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border-medium);
  align-items: baseline;
  transition: background-color var(--transition-fast), padding-left var(--transition-normal);
}

.service-item:hover {
  background-color: rgba(255, 255, 255, 0.4);
  padding-left: 1rem;
  padding-right: 1rem;
}

.service-meta {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.service-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent-brass);
  line-height: 1;
}

.service-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
}

.service-name {
  font-size: 1.65rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.service-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin-bottom: 1rem;
}

.service-points {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}

.service-points li {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  position: relative;
  padding-left: 0.9rem;
}

.service-points li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--color-accent-brass);
  font-size: 1.2rem;
  line-height: 1;
}

.service-action {
  text-align: right;
}

.service-pill {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  border: 1px solid var(--color-accent-brass);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  background-color: transparent;
}

/* ==========================================================================
   PORTFOLIO / PROJECTS SECTION
   ========================================================================== */
.projects-section {
  background-color: var(--color-bg-ivory);
}

.projects-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
  flex-wrap: wrap;
  gap: 2rem;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 2.5rem;
}

.projects-heading-block {
  max-width: 720px;
}

.projects-lead-text {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-top: 0.85rem;
}

.filter-group {
  display: flex;
  gap: 0.4rem;
  background-color: var(--color-bg-sand);
  padding: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.filter-count {
  font-size: 0.68rem;
  opacity: 0.7;
  padding: 0.1rem 0.35rem;
  background: rgba(28, 26, 23, 0.06);
  border-radius: 2px;
}

.filter-btn:hover {
  color: var(--color-text-primary);
}

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

.filter-btn.active .filter-count {
  background: rgba(255, 255, 255, 0.2);
  opacity: 1;
}

/* Projects Grid (Editorial Architecture Portfolio) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(2.5rem, 4vw, 4rem);
}

.project-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  padding: clamp(1.25rem, 2.5vw, 1.85rem);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(28, 26, 23, 0.03);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 45px rgba(28, 26, 23, 0.08);
  border-color: var(--color-border-medium);
}

.project-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: clamp(2rem, 3.5vw, 3.5rem);
  align-items: center;
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.project-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
}

.project-index-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(24, 22, 20, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  z-index: 2;
  font-weight: 500;
}

.project-image {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease-calm);
}

.project-card.card-tall .project-image {
  aspect-ratio: 16/11;
}

.project-card:hover .project-image {
  transform: scale(1.035);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(20, 18, 16, 0.75) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.view-project-btn {
  background-color: #FFFFFF;
  color: var(--color-text-primary);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  transform: translateY(6px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-normal);
}

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

.project-info {
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-card.featured .project-info {
  padding-top: 0;
}

.project-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-badges-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.project-tag {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
}

.project-loc {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.project-status {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--color-bg-sand);
  color: var(--color-text-secondary);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  font-weight: 500;
}

.project-status.in-progress {
  background-color: #E6E1D7;
  color: var(--color-accent-brass);
  font-weight: 600;
}

.project-title {
  font-size: 1.65rem;
  line-height: 1.25;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.project-card:hover .project-title {
  color: var(--color-accent-brass);
}

.project-brief {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
}

/* Material Chips */
.project-materials-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.5rem;
}

.mat-chip {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background-color: var(--color-bg-ivory);
  border: 1px solid var(--color-border-subtle);
  padding: 0.25rem 0.55rem;
  border-radius: 2px;
  font-weight: 500;
}

.project-details-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
  margin-top: auto;
}

.project-card:not(.featured) .project-details-bar {
  grid-template-columns: repeat(2, 1fr);
}

.detail-col {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.detail-val {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-top: 0.2rem;
}

.project-action-row {
  margin-top: 1.15rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--color-border-subtle);
}

.project-read-more {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent-brass);
  transition: color var(--transition-fast);
}

.project-card:hover .project-read-more {
  color: var(--color-text-primary);
}

/* ==========================================================================
   CHANTIER & RIGUEUR TECHNIQUE (TRANSFORMATION)
   ========================================================================== */
.chantier-section {
  background-color: var(--color-bg-sand);
}

.chantier-inner {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.chantier-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

.chantier-badges-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2.25rem 0;
}

.chantier-badge-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.badge-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-medium);
  background-color: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-brass);
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.chantier-badge-item h4 {
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}

.chantier-badge-item p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.chantier-visual {
  position: relative;
}

.chantier-card-frame {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background-color: var(--color-bg-surface);
}

.chantier-img {
  width: 100%;
  aspect-ratio: 16/11;
  object-fit: cover;
}

.chantier-tag-float {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background-color: rgba(28, 26, 23, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.live-dot {
  width: 6px;
  height: 6px;
  background-color: #55E095;
  border-radius: 50%;
  animation: pulse-dot 2s infinite ease-in-out;
}

/* ==========================================================================
   PROCESS / MÉTHODOLOGIE SECTION
   ========================================================================== */
.method-section {
  background-color: var(--color-bg-ivory);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.process-step {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  padding: 2.25rem;
  border-radius: var(--radius-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.process-step:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-brass);
}

.step-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.step-num {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
}

.step-duration {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.step-title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-primary);
}

.step-desc {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.step-deliverable {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 0.85rem;
  font-style: italic;
}

/* ==========================================================================
   EXPERTISE SECTION
   ========================================================================== */
.expertise-section {
  background-color: var(--color-bg-sand);
}

.expertise-wrap {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 5.5rem);
  align-items: start;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-medium);
}

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

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.85rem;
  color: var(--color-accent-brass);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.expertise-points-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.point-box {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  padding: 1.75rem 2rem;
  border-radius: var(--radius-sm);
  display: flex;
  gap: 1.5rem;
}

.point-num {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-accent-brass);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.point-title {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
}

.point-text {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
  background-color: var(--color-bg-ivory);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.testimonial-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  padding: 2.25rem;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent-brass-light);
  box-shadow: 0 12px 30px rgba(28, 26, 23, 0.06);
}

.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.4rem;
}

.google-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-primary);
  background: rgba(66, 133, 244, 0.07);
  border: 1px solid rgba(66, 133, 244, 0.22);
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  letter-spacing: 0.02em;
}

.google-verified-badge svg {
  flex-shrink: 0;
}

.project-verified-badge {
  background: rgba(200, 169, 126, 0.12);
  border-color: rgba(200, 169, 126, 0.35);
  color: var(--color-accent-brass);
}

.review-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.65;
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.testimonial-author {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 1rem;
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.author-project {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
}

/* Google Reviews CTA Strip */
.testimonials-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 3.25rem;
  gap: 0.85rem;
  text-align: center;
}

.btn-google-reviews {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1.85rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(28, 26, 23, 0.05);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-google-reviews:hover {
  border-color: var(--color-accent-brass);
  box-shadow: 0 10px 28px rgba(200, 169, 126, 0.18);
  transform: translateY(-2px);
  color: var(--color-text-primary);
}

.btn-google-reviews .google-icon {
  flex-shrink: 0;
}

.btn-google-reviews .arrow-ext {
  color: var(--color-accent-brass);
  transition: transform 0.2s ease;
}

.btn-google-reviews:hover .arrow-ext {
  transform: translate(2px, -2px);
}

.google-badge-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.google-rating-score {
  font-weight: 700;
  color: var(--color-accent-brass);
  font-size: 0.88rem;
}

.google-rating-dot {
  color: var(--color-border-medium);
}

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

/* ==========================================================================
   GARANTIES SÉRÉNITÉ & FAQ SECTION — Premium Bento Redesign
   ========================================================================== */
.serenite-faq-section {
  background-color: var(--color-bg-ivory);
  position: relative;
  overflow: hidden;
}

/* Subtle paper grain texture */
.serenite-faq-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

.serenite-faq-section>.section-container {
  position: relative;
  z-index: 1;
}

/* --- Serenite Header Row (editorial split) --- */
.serenite-block {
  padding-bottom: 0;
}

.serenite-header-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: end;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.serenite-header-text .section-eyebrow {
  margin-bottom: 0.75rem;
}

.serenite-header-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 440px;
}

/* --- 4-Pillar Architectural Serenity Grid --- */
.serenite-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}

.serenite-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.serenite-card-inner {
  padding: 2rem 1.65rem 1.75rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.serenite-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent-brass), var(--color-accent-brass-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.serenite-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-brass-light);
  box-shadow: 0 20px 48px rgba(28, 26, 23, 0.08);
}

.serenite-card:hover::after {
  opacity: 1;
}

.serenite-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.35rem;
}

.serenite-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent-brass);
  line-height: 1;
  letter-spacing: 0.04em;
}

.serenite-badge {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  background-color: var(--color-bg-sand);
  border: 1px solid var(--color-border-subtle);
  padding: 0.3rem 0.65rem;
  border-radius: 2px;
}

.serenite-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-bg-sand), var(--color-bg-surface));
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-brass);
  margin-bottom: 1.25rem;
  transition: all var(--transition-normal);
}

.serenite-card:hover .serenite-icon-wrap {
  background: linear-gradient(135deg, var(--color-accent-brass), var(--color-accent-brass-hover));
  color: var(--color-bg-white);
  border-color: var(--color-accent-brass);
  transform: scale(1.06);
}

.serenite-card-title {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  line-height: 1.25;
  color: var(--color-text-primary);
  margin-bottom: 0.65rem;
  font-weight: 500;
}

.serenite-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

/* Bulleted checkpoints */
.serenite-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0;
  margin: 0 0 1.5rem 0;
  flex-grow: 1;
}

.serenite-checklist li {
  font-size: 0.79rem;
  color: var(--color-text-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.38;
}

.serenite-checklist .check-icon {
  color: var(--color-accent-brass);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
  flex-shrink: 0;
}

/* KPI footer */
.serenite-kpi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
}

.serenite-kpi-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.kpi-value {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-accent-brass);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.kpi-label {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  line-height: 1.25;
}

/* --- Architectural Assurance Charter (Comparison Box) --- */
.serenite-charter-box {
  background: linear-gradient(180deg, #FFFFFF 0%, #FAF8F5 100%);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 3.5vw, 3.25rem);
  box-shadow: 0 16px 45px rgba(28, 26, 23, 0.05);
  position: relative;
  overflow: hidden;
}

.serenite-charter-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-brass), var(--color-accent-brass-light), var(--color-accent-brass));
}

.charter-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.charter-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  background: rgba(200, 169, 126, 0.12);
  color: var(--color-accent-brass);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(200, 169, 126, 0.3);
}

.charter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  color: var(--color-text-primary);
  font-weight: 400;
  line-height: 1.25;
}

.charter-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.charter-comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

.charter-col {
  border-radius: var(--radius-md);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
  box-sizing: border-box;
}

.charter-col--studio {
  background-color: #FFFFFF;
  border: 1px solid rgba(200, 169, 126, 0.5);
  box-shadow: 0 10px 30px rgba(200, 169, 126, 0.08);
}

.charter-col--risks {
  background-color: rgba(245, 242, 237, 0.65);
  border: 1px dashed var(--color-border-medium);
}

.charter-col-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.col-head-title strong {
  display: block;
  font-size: 1.05rem;
  color: var(--color-text-primary);
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.col-head-title span {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.col-head-status {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
}

.status-positive {
  background: rgba(34, 139, 34, 0.1);
  color: #1e7e34;
  border: 1px solid rgba(34, 139, 34, 0.25);
}

.status-risk {
  background: rgba(180, 50, 50, 0.08);
  color: #a12b2b;
  border: 1px solid rgba(180, 50, 50, 0.2);
}

.charter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
}

.charter-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.86rem;
  line-height: 1.45;
}

.charter-list li strong {
  display: block;
  color: var(--color-text-primary);
  font-size: 0.88rem;
  margin-bottom: 0.15rem;
}

.charter-list li p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
}

.charter-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-accent-brass);
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.charter-cross {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(160, 60, 60, 0.15);
  color: #8e2b2b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.charter-cta-strip {
  background: var(--color-bg-sand);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  width: 100%;
  box-sizing: border-box;
}

.charter-cta-text {
  flex: 1 1 300px;
  min-width: 0;
}

.charter-cta-text strong {
  display: block;
  font-size: 1.05rem;
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  margin-bottom: 0.25rem;
  overflow-wrap: break-word;
}

.charter-cta-text span {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  overflow-wrap: break-word;
}

/* --- Branded Divider --- */
.serenite-divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 4rem 0;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-medium), transparent);
}

.divider-mark {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-style: italic;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* --- FAQ Block --- */
.faq-block {
  padding-top: 0;
  padding-bottom: 1rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.35fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.faq-intro-col {
  position: sticky;
  top: 6rem;
}

.faq-direct-card {
  margin-top: 2.25rem;
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-accent-brass);
  border-radius: var(--radius-sm);
  padding: 1.65rem 1.75rem;
  display: flex;
  gap: 1rem;
  box-shadow: var(--shadow-subtle);
}

.direct-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-bg-sand), var(--color-bg-surface));
  color: var(--color-accent-brass);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.direct-card-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.35rem;
  font-family: var(--font-serif);
}

.direct-card-text {
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

.faq-ask-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent-brass);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.faq-ask-link:hover {
  color: var(--color-accent-brass-hover);
  gap: 0.7rem;
}

/* --- FAQ Accordion Items --- */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}

.faq-item:hover {
  border-color: var(--color-border-medium);
}

.faq-item.active {
  border-color: var(--color-accent-brass-light);
  box-shadow: 0 8px 24px rgba(28, 26, 23, 0.05);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.35rem 1.6rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.faq-q-num {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-accent-brass);
  background-color: rgba(158, 125, 82, 0.08);
  border: 1px solid rgba(158, 125, 82, 0.15);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.faq-item.active .faq-q-num {
  background-color: var(--color-accent-brass);
  color: var(--color-bg-white);
  border-color: var(--color-accent-brass);
}

.faq-item-title {
  flex: 1;
}

.faq-question-btn:hover {
  color: var(--color-accent-brass);
}

.faq-item.active .faq-question-btn {
  color: var(--color-text-primary);
}

.faq-icon-indicator {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-bg-sand);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: transform var(--transition-normal), background-color var(--transition-fast), color var(--transition-fast);
}

.faq-item.active .faq-icon-indicator {
  transform: rotate(45deg);
  background-color: var(--color-accent-brass);
  border-color: var(--color-accent-brass);
  color: var(--color-bg-white);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease-calm), opacity 0.35s ease;
  opacity: 0;
}

.faq-item.active .faq-answer-panel {
  max-height: 400px;
  opacity: 1;
}

.faq-answer-content {
  padding: 0 1.6rem 1.5rem 4.55rem;
}

.faq-answer-content p {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  border-left: 2px solid var(--color-accent-brass-light);
  padding-left: 1.15rem;
}

.faq-answer-content strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  background-color: var(--color-bg-sand);
}

.contact-card-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  padding: clamp(2rem, 5vw, 4.5rem);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.contact-intro {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

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

.item-icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-bg-sand);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-brass);
  flex-shrink: 0;
}

.item-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.2rem;
}

.item-value {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.hover-underline:hover {
  text-decoration: underline;
  color: var(--color-accent-brass);
}

.contact-commitment {
  background-color: var(--color-bg-sand);
  border-left: 2px solid var(--color-accent-brass);
  padding: 1.25rem;
}

.commitment-badge {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--color-accent-brass);
  display: block;
  margin-bottom: 0.25rem;
}

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

/* Consultation Form */
.form-title {
  font-size: 1.85rem;
  margin-bottom: 0.4rem;
}

.form-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.consultation-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  padding: 0.9rem 1.1rem;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  line-height: 1.5;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-field select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-color: #FFFFFF;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1.5 2L6 6.5L10.5 2' stroke='%239E7D52' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  background-size: 11px 7px;
  padding-right: 2.85rem;
  cursor: pointer;
}

.form-field select:hover {
  border-color: var(--color-accent-brass);
}

.form-field select option {
  background-color: #FFFFFF;
  color: var(--color-text-primary);
  padding: 0.75rem;
}

.form-field select option:disabled {
  color: var(--color-text-light);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent-brass);
  box-shadow: 0 0 0 3px rgba(158, 125, 82, 0.12);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--color-text-light);
  opacity: 1;
}

.form-field textarea {
  resize: vertical;
  min-height: 110px;
}

.form-privacy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.form-success-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.success-icon {
  width: 54px;
  height: 54px;
  background-color: var(--color-accent-brass);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
}

.success-title {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
}

.success-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  max-width: 460px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: #161513;
  color: #FFFFFF;
  padding-top: clamp(4rem, 6vw, 6rem);
  padding-bottom: 2.5rem;
}

.footer-container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 1fr 1.1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo .brand-title {
  color: #FFFFFF;
}

.footer-about {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
  line-height: 1.7;
  margin: 1.25rem 0 1.5rem;
  max-width: 360px;
}

.footer-location-tag {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-brass-light);
}

.footer-heading {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-brass-light);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a,
.footer-links span {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-contact-item {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.6rem;
}

.footer-contact-item strong {
  color: #FFFFFF;
}

.footer-socials {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.footer-socials a {
  color: var(--color-accent-brass-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-socials .sep {
  color: rgba(255, 255, 255, 0.3);
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-legal {
  display: flex;
  gap: 0.75rem;
}

.footer-legal a:hover {
  color: #FFFFFF;
}

/* ==========================================================================
   MODAL DIALOG (PROJECT DETAILS)
   ========================================================================== */
.project-modal {
  border: none;
  background: transparent;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  padding: 0;
  display: none;
  place-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
}

.project-modal[open] {
  display: grid;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 16, 14, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-container {
  position: relative;
  z-index: 10;
  background-color: var(--color-bg-ivory);
  width: min(92vw, 1080px);
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-modal);
  border: 1px solid var(--color-border-subtle);
  padding: clamp(1.5rem, 3.5vw, 3.5rem);
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  background-color: var(--color-bg-sand);
  border: 1px solid var(--color-border-medium);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
}

/* Modal Nav Bar & Step Controls */
.modal-nav-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-right: 4.5rem; /* Safe distance so Suivant button never touches the top-right close button */
  gap: 1rem;
}

.modal-nav-header {
  display: flex;
  align-items: center;
}

.modal-index-counter {
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
  white-space: nowrap;
}

.modal-step-nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-step-btn {
  background: var(--color-bg-sand);
  border: 1px solid var(--color-border-medium);
  padding: 0.45rem 0.95rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: inherit;
  font-weight: 500;
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.modal-step-btn:hover {
  background: var(--color-text-primary);
  color: #FFFFFF;
  border-color: var(--color-text-primary);
}

/* Modal Content Layout */
.modal-header-meta {
  margin-bottom: 1.5rem;
}

.modal-tag {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-brass);
  font-weight: 600;
}

.modal-title {
  font-size: clamp(2rem, 3.5vw, 2.85rem);
  color: var(--color-text-primary);
  margin-top: 0.35rem;
}

.modal-location {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

.modal-visual-frame {
  margin: 1.5rem 0 2.5rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.modal-visual-frame img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background-color: var(--color-bg-sand);
  border: 1px solid var(--color-border-subtle);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 2.5rem;
}

.spec-cell {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spec-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.spec-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.modal-body-text {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.modal-desc-heading {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.modal-materials-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.modal-materials-list li {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.modal-materials-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--color-accent-brass);
  border-radius: 50%;
  display: inline-block;
}

.modal-cta-box {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  z-index: 2000;
  display: none;
  animation: slide-in 0.3s ease-out;
}

.toast.show {
  display: block;
}

@keyframes slide-in {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ==========================================================================
   RESPONSIVE ADAPTATIONS
   ========================================================================== */
@media (max-width: 1080px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .studio-grid,
  .chantier-inner,
  .expertise-wrap {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .service-item {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .service-action {
    text-align: left;
  }

  .process-timeline,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

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

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .faq-intro-col {
    position: static;
  }

  .project-card.featured {
    grid-column: span 1;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .contact-card-grid {
    grid-template-columns: 1fr;
  }

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

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

  .modal-body-text {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .site-logo-img {
    height: 38px;
    max-width: 140px;
  }

  .hero-slider {
    min-height: 420px;
    height: 420px;
  }


  .hero-slider-arrow {
    opacity: 0.95;
    width: 40px;
    height: 40px;
  }

  .hero-slider-prev {
    left: 0.75rem;
  }

  .hero-slider-next {
    right: 0.75rem;
  }

  .desktop-nav,
  .header-actions .btn-primary-outline {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .top-bar-right {
    display: none;
  }

  .section-header-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .studio-pillars,
  .stats-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .serenite-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .charter-comparison-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .charter-cta-strip {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: 1.25rem 1.15rem;
  }

  .charter-cta-actions .btn {
    width: 100%;
    justify-content: center;
    white-space: normal;
    line-height: 1.35;
    text-align: center;
    padding: 0.95rem 1rem;
    font-size: 0.78rem;
  }

  .charter-col {
    padding: 1.35rem 1.15rem;
  }

  .serenite-card {
    padding: 1.75rem 1.35rem;
  }

  .serenite-block {
    padding-bottom: 3.5rem;
  }

  .faq-block {
    padding-top: 3.5rem;
  }

  .faq-question-btn {
    font-size: 1.15rem;
    padding: 1.25rem 1.25rem;
  }

  .faq-answer-content {
    padding: 0 1.25rem 1.35rem 1.25rem;
  }

  .contact-card-grid {
    padding: 2rem 1.35rem;
    gap: 2.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    font-size: 16px;
    /* Prevents iOS Safari input focus auto-zoom */
    padding: 0.85rem 1rem;
  }

  .btn-full {
    white-space: normal;
    padding: 1rem 1.25rem;
    font-size: 0.82rem;
    line-height: 1.35;
    text-align: center;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .modal-specs-grid {
    grid-template-columns: 1fr;
  }

  .modal-container {
    width: 95vw;
    padding: 1.25rem 1.15rem 2rem;
    max-height: 92vh;
  }

  .modal-close-btn {
    top: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
  }

  .modal-nav-bar {
    flex-direction: column;
    align-items: stretch;
    padding-right: 0;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.95rem;
  }

  .modal-nav-header {
    padding-right: 3.25rem; /* Leaves clear space for the X button on the top line */
    min-height: 38px;
    display: flex;
    align-items: center;
  }

  .modal-step-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    width: 100%;
  }

  .modal-step-btn {
    width: 100%;
    min-height: 42px;
    padding: 0.65rem 0.5rem;
    font-size: 0.72rem;
  }
}

/* Specific Phone Screens (iPhone / Android) */
@media (max-width: 480px) {
  .section-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .contact-section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .contact-card-grid {
    padding: 1.4rem 1rem;
    gap: 2rem;
  }

  .contact-intro {
    font-size: 0.92rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
  }

  .contact-details-list {
    gap: 1.1rem;
    margin-bottom: 1.5rem;
  }

  .contact-item {
    gap: 0.75rem;
  }

  .item-icon {
    width: 32px;
    height: 32px;
  }

  .item-value {
    font-size: 0.86rem;
    word-break: break-word;
  }

  .contact-commitment {
    padding: 1rem;
  }

  .form-title {
    font-size: 1.5rem;
  }

  .form-subtitle {
    font-size: 0.85rem;
    margin-bottom: 1.35rem;
  }

  .consultation-form {
    gap: 1rem;
  }

  .form-field {
    gap: 0.35rem;
  }

  .form-field label {
    font-size: 0.72rem;
  }

  .form-field input,
  .form-field select,
  .form-field textarea {
    font-size: 16px;
    padding: 0.8rem 0.85rem;
  }

  .form-field select {
    background-position: right 0.9rem center;
    padding-right: 2.4rem;
  }

  .form-field textarea {
    min-height: 95px;
  }

  .form-privacy {
    font-size: 0.72rem;
    line-height: 1.5;
  }

  .modal-close-btn {
    top: 0.85rem;
    right: 0.85rem;
    width: 36px;
    height: 36px;
  }

  .modal-nav-header {
    padding-right: 2.85rem;
    min-height: 36px;
  }

  .modal-step-btn {
    min-height: 44px;
    padding: 0.7rem 0.5rem;
  }
}