/* =====================================================
   App.ppA — COMPONENTS CSS
   Navbar, Hero, Timeline, Cards, Stats, Footer
   ===================================================== */

/* ─── HERO ───────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 5rem;
  padding-top: 8rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-grad {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 70% 60% at 80% 20%, rgba(232, 184, 75, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(77, 201, 240, 0.05) 0%, transparent 60%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(245, 240, 232, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 240, 232, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 4rem;
}

.hero-title-block { max-width: 900px; }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.hero-eyebrow-line {
  width: 40px; height: 1px;
  background: var(--amber);
  display: block;
}
.hero-eyebrow-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--amber);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(5.5rem, 13vw, 12rem);
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 0.2rem;
}
.hero-title .italic-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85em;
  color: var(--amber);
  text-transform: none;
  letter-spacing: -0.01em;
  display: block;
}
.hero-title-sub {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.9;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 240, 232, 0.25);
}

.hero-desc {
  max-width: 400px;
  color: var(--white-muted);
  line-height: 1.7;
  font-size: 0.95rem;
  margin-top: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hero-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2rem;
  min-width: 200px;
}
.hero-badge {
  width: 120px; height: 120px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  animation: spinSlow 15s linear infinite;
  position: relative;
}
.hero-badge-inner {
  animation: spinSlow 15s linear infinite reverse;
}
.hero-badge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--amber);
  line-height: 1;
}
.hero-badge-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-muted);
}

/* Floating 3D objects */
.hero-float-1 {
  position: absolute;
  right: 5%; top: 15%;
  width: 220px; height: 220px;
  opacity: 0.6;
  animation: float 8s ease-in-out infinite;
}
.hero-float-2 {
  position: absolute;
  left: 2%; bottom: 20%;
  width: 130px; height: 130px;
  opacity: 0.4;
  animation: floatReverse 10s ease-in-out infinite;
}
.hero-float-3 {
  position: absolute;
  right: 18%; bottom: 10%;
  width: 90px; height: 90px;
  opacity: 0.5;
  animation: floatSlow 7s ease-in-out infinite;
}

/* ─── 3D GEOMETRIC SHAPES CSS ────────────────────── */
.shape-cube {
  width: 100%; height: 100%;
  transform-style: preserve-3d;
  animation: rotateCube 20s linear infinite;
}

.geo-ring {
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 3px solid var(--amber);
  box-shadow: 
    0 0 20px var(--amber-glow),
    inset 0 0 20px var(--amber-glow);
  animation: spinSlow 12s linear infinite;
  position: relative;
}
.geo-ring::before {
  content: '';
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  border: 1px solid rgba(232, 184, 75, 0.2);
}
.geo-ring::after {
  content: '';
  position: absolute;
  inset: 25px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
  animation: spinReverse 8s linear infinite;
}

.geo-diamond {
  width: 80%; height: 80%;
  margin: 10%;
  border: 2px solid var(--cyan);
  transform: rotate(45deg);
  animation: spinSlow 15s linear infinite;
  box-shadow: 0 0 30px var(--cyan-glow), inset 0 0 15px var(--cyan-glow);
}

.geo-grid-sphere {
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1px solid rgba(232, 184, 75, 0.3);
  position: relative;
  animation: spinSlow 20s linear infinite;
  box-shadow: 0 0 40px var(--amber-glow);
}
.geo-grid-sphere::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: 
    repeating-linear-gradient(0deg, transparent, transparent 20px, rgba(232, 184, 75, 0.1) 20px, rgba(232, 184, 75, 0.1) 21px),
    repeating-linear-gradient(90deg, transparent, transparent 20px, rgba(232, 184, 75, 0.1) 20px, rgba(232, 184, 75, 0.1) 21px);
}

/* ─── IMMOBILIER HYPERFRAME TIMELINE ─────────────── */
.timeline-section {
  padding-block: var(--section-pad);
  position: relative;
  overflow: hidden;
}

.timeline-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 5rem;
  gap: 2rem;
  flex-wrap: wrap;
}
.timeline-header-title { max-width: 600px; }

.timeline-container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 0;
  min-height: 800px;
}

/* Central spine */
.timeline-spine {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding-block: 2rem;
}
.timeline-spine-line {
  width: 1px;
  flex: 1;
  background: linear-gradient(to bottom, transparent, var(--amber) 10%, var(--amber) 90%, transparent);
  position: relative;
}
.timeline-spine-line::after {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 1px; height: 0;
  background: var(--amber);
  transform: translateX(-50%);
  transition: height 1.5s ease;
  box-shadow: 0 0 8px var(--amber);
}
.timeline-spine-line.active::after { height: 100%; }

/* Timeline nodes */
.timeline-nodes-left, .timeline-nodes-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  padding: 2.5rem 2rem;
  position: relative;
  opacity: 0.4;
  transition: opacity 0.5s ease;
  cursor: pointer;
}
.timeline-item.active { opacity: 1; }

.timeline-item-left { 
  justify-content: flex-end;
  text-align: right;
  padding-right: 3rem;
}
.timeline-item-right {
  justify-content: flex-start;
  text-align: left;
  padding-left: 3rem;
}

.timeline-node {
  position: absolute;
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: var(--bg);
  z-index: 2;
  transition: var(--transition);
}
.timeline-item-left .timeline-node { right: -8px; top: 3rem; }
.timeline-item-right .timeline-node { left: -8px; top: 3rem; }

.timeline-item.active .timeline-node {
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-glow), 0 0 20px var(--amber-glow);
  animation: nodeActivate 1s ease forwards;
}

.timeline-connector {
  position: absolute;
  top: calc(3rem + 7px);
  height: 1px;
  background: var(--amber);
  opacity: 0;
  transition: opacity 0.4s, width 0.4s;
  width: 0;
}
.timeline-item-left .timeline-connector { right: -2px; }
.timeline-item-right .timeline-connector { left: -2px; }
.timeline-item.active .timeline-connector { opacity: 1; width: 2rem; }

/* Hyperframe Card */
.timeline-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  position: relative;
  overflow: hidden;
  max-width: 380px;
  transition: var(--transition);
}
.timeline-item-left .timeline-frame { margin-left: auto; }

.timeline-item.active .timeline-frame {
  border-color: var(--border-hover);
  box-shadow: 0 0 0 1px var(--border-hover), 0 20px 60px rgba(0,0,0,0.5);
}

.timeline-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease 0.2s;
}
.timeline-item.active .timeline-frame::before { transform: scaleX(1); }

.timeline-step-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.timeline-frame-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.timeline-frame-desc {
  font-size: 0.85rem;
  color: var(--white-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.timeline-frame-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.timeline-item-left .timeline-frame-tags { justify-content: flex-end; }

/* Timeline central phase indicator */
.timeline-phase-indicator {
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
}
.phase-dot {
  width: 20px; height: 20px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 0 6px var(--amber-glow), 0 0 30px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

/* ─── SERVICES SECTION ───────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  min-height: 360px;
}
.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}

.service-card-featured {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(232, 184, 75, 0.06) 100%);
  grid-row: span 1;
}

.service-icon {
  width: 52px; height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 1.6rem;
  flex-shrink: 0;
}
.service-icon-amber { background: var(--amber-glow); }
.service-icon-cyan  { background: var(--cyan-glow);  }
.service-icon-white { background: rgba(255,255,255,0.06); }

.service-card-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--white-dim);
  letter-spacing: 0.15em;
  position: absolute;
  top: 1.5rem; right: 1.5rem;
}

.service-card-title {
  font-family: var(--font-display);
  font-size: 2rem;
  text-transform: uppercase;
  line-height: 1;
  color: var(--white);
}

.service-card-desc {
  font-size: 0.88rem;
  color: var(--white-muted);
  line-height: 1.7;
  flex: 1;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}
.service-feature {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--white-muted);
}
.service-feature-dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

.service-card-bg-text {
  position: absolute;
  bottom: -10px; right: -10px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: rgba(245, 240, 232, 0.03);
  line-height: 1;
  user-select: none;
  pointer-events: none;
}

/* ─── STATS ──────────────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-item {
  background: var(--bg-card);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-item::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--cyan));
  transform: scaleX(0);
  transition: transform 0.5s ease;
}
.stat-item:hover::after { transform: scaleX(1); }
.stat-item:hover { background: var(--bg-hover); }

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
}
.stat-unit {
  color: var(--cyan);
  font-size: 0.8em;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-muted);
  margin-top: 0.5rem;
  display: block;
}

/* ─── CTA SECTION ────────────────────────────────── */
.cta-section {
  text-align: center;
  padding-block: var(--section-pad);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 60% at 50% 50%, rgba(232, 184, 75, 0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 7rem);
  text-transform: uppercase;
  line-height: 0.9;
  margin-bottom: 2rem;
}
.cta-title .outline-text {
  -webkit-text-stroke: 1px var(--amber);
  color: transparent;
}

/* ─── PORTFOLIO GRID ─────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 280px;
  gap: 1.5rem;
}

.portfolio-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  cursor: none;
  transition: var(--transition);
}
.portfolio-item:hover {
  border-color: var(--border-hover);
  transform: scale(1.01);
  z-index: 2;
  box-shadow: 0 40px 100px rgba(0,0,0,0.6);
}

.portfolio-item-1 { grid-column: span 7; }
.portfolio-item-2 { grid-column: span 5; }
.portfolio-item-3 { grid-column: span 4; }
.portfolio-item-4 { grid-column: span 4; }
.portfolio-item-5 { grid-column: span 4; }
.portfolio-item-6 { grid-column: span 6; }
.portfolio-item-7 { grid-column: span 6; }

.portfolio-cover {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.portfolio-item:hover .portfolio-cover { transform: scale(1.05); }

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,8,8,0.95) 0%, rgba(8,8,8,0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.8rem;
  transform: translateY(4px);
  transition: transform 0.4s ease;
}
.portfolio-item:hover .portfolio-overlay { transform: translateY(0); }

.portfolio-type {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.portfolio-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  text-transform: uppercase;
  color: var(--white);
  line-height: 1;
}
.portfolio-desc {
  font-size: 0.8rem;
  color: var(--white-muted);
  margin-top: 0.4rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.portfolio-item:hover .portfolio-desc { max-height: 60px; }

.portfolio-tag-row {
  display: flex;
  gap: 0.4rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s 0.1s, transform 0.3s 0.1s;
}
.portfolio-item:hover .portfolio-tag-row { opacity: 1; transform: translateY(0); }

/* ─── CONTACT FORM ───────────────────────────────── */
.contact-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.contact-manifeste {
  position: sticky;
  top: 8rem;
}
.manifeste-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  text-transform: uppercase;
  line-height: 0.9;
  margin-bottom: 2rem;
}
.manifeste-body {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--white-muted);
  max-width: 420px;
}
.manifeste-body strong { color: var(--amber); font-weight: 600; }

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 3rem;
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-icon {
  width: 36px; height: 36px;
  background: var(--amber-glow);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-info-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-dim);
  display: block;
}
.contact-info-value {
  font-size: 0.9rem;
  color: var(--white);
  display: block;
}

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

.form-group { position: relative; }
.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--amber);
  background: var(--bg-hover);
  box-shadow: 0 0 0 3px var(--amber-glow);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--white-dim);
}
.form-textarea {
  min-height: 140px;
  resize: vertical;
}
.form-select option { background: var(--bg-card); }

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

.form-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.form-legal {
  font-size: 0.72rem;
  color: var(--white-dim);
  max-width: 280px;
}

/* ─── FAQ ────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 0; margin-top: 3rem; }
.faq-item {
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  text-align: left;
  transition: color var(--transition);
  gap: 1rem;
}
.faq-question:hover { color: var(--amber); }
.faq-icon {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
  font-size: 1rem;
}
.faq-item.open .faq-icon {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.9rem;
  color: var(--white-muted);
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding-bottom: 1.5rem;
}

/* ─── ABOUT TEAM ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-visual {
  aspect-ratio: 1;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}
.about-visual-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-surface));
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── PROCESS STEPS ──────────────────────────────── */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 4rem;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 24px; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}
.process-step {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0 1.5rem;
  padding-top: 0;
  position: relative;
}
.process-step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--amber);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.process-step:hover .process-step-num {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
  box-shadow: 0 0 20px var(--amber-glow);
}
.process-step-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-top: 1rem;
}
.process-step-desc {
  font-size: 0.8rem;
  color: var(--white-muted);
  line-height: 1.6;
}

/* ─── PAGE HEADER ────────────────────────────────── */
.page-header {
  padding-top: 8rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-header-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(232, 184, 75, 0.05) 0%, transparent 60%);
  pointer-events: none;
}
.page-header-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 9rem);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

/* ─── FILTER TABS ────────────────────────────────── */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-muted);
  background: transparent;
  transition: var(--transition);
  cursor: none;
}
.filter-tab:hover { border-color: var(--border-hover); color: var(--amber); }
.filter-tab.active {
  background: var(--amber);
  color: var(--bg);
  border-color: var(--amber);
}

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  .process-steps::before { display: none; }
  .timeline-container { grid-template-columns: 1fr 40px 1fr; }
  .contact-split { grid-template-columns: 1fr; gap: 4rem; }
  .contact-manifeste { position: static; }
}
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-side { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .portfolio-item-1, .portfolio-item-2, .portfolio-item-3,
  .portfolio-item-4, .portfolio-item-5, .portfolio-item-6, .portfolio-item-7 {
    grid-column: span 1;
  }
  .timeline-container { grid-template-columns: 1fr; }
  .timeline-nodes-right { display: none; }
  .timeline-spine { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
}