/* =============================================
   KZAR ADVISORY — Design System v1.0
   ============================================= */

:root {
  /* Brand Colors */
  --kzar-foret: #0E2A1F;
  --kzar-calcaire: #FAFAF7;
  --kzar-sauge: #3D6B4F;
  --kzar-encre: #1F1D1A;
  --kzar-sauge-claire: #7BA68A;
  --kzar-bronze: #C9A66B;
  --kzar-argile: #B5532A;
  --kzar-ardoise: #6B7280;

  /* Semantic */
  --bg: var(--kzar-calcaire);
  --bg-dark: var(--kzar-foret);
  --text: var(--kzar-encre);
  --text-muted: var(--kzar-ardoise);
  --accent: var(--kzar-sauge);
  --accent-hover: var(--kzar-sauge-claire);
  --premium: var(--kzar-bronze);
  --line: rgba(14, 42, 31, 0.08);
  --line-strong: rgba(14, 42, 31, 0.14);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Söhne Breit', 'Times New Roman', serif;
  --font-sans: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;
  --space-9: 12rem;

  /* Layout */
  --container: 1280px;
  --container-narrow: 960px;
  --radius: 4px;
  --radius-lg: 12px;

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 200ms var(--ease);
  --t-base: 350ms var(--ease);
  --t-slow: 600ms var(--ease);
}

/* =============================================
   RESET
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
::selection { background: var(--kzar-sauge); color: var(--kzar-calcaire); }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}
h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.75rem); line-height: 1.08; }
h3 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); line-height: 1.2; }
h4 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); line-height: 1.3; letter-spacing: -0.01em; }

p { font-size: 1rem; line-height: 1.7; color: var(--text); }
.lead {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  line-height: 1.55;
  color: var(--text);
  font-weight: 300;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
}

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

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

section { padding: var(--space-7) 0; position: relative; }
.section-sm { padding: var(--space-5) 0; }
.section-lg { padding: var(--space-8) 0; }

.divider {
  height: 1px;
  background: var(--line);
  margin: var(--space-5) 0;
  width: 100%;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(250, 250, 247, 0.96);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--line);
  transition: border-color var(--t-base), padding var(--t-base), box-shadow var(--t-base);
}
.navbar.scrolled {
  padding: 0.75rem 0;
  border-bottom-color: var(--line-strong);
  box-shadow: 0 4px 24px -16px rgba(14, 42, 31, 0.18);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}
.nav-logo img { height: 64px; width: auto; }
@media (max-width: 600px) { .nav-logo img { height: 48px; } }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}
.nav-menu a {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text);
  position: relative;
  padding: 0.25rem 0;
}
.nav-menu a.btn-primary,
.nav-menu a.btn-primary.active,
.nav-menu a.btn-primary:hover { color: var(--kzar-calcaire); }
.nav-menu a.btn-primary { padding: 0.75rem 1.5rem; }
.nav-menu a.btn-primary::after { display: none; }
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--t-base);
}
.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--accent); }

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: flex-end;
  gap: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  transition: var(--t-base);
}
.nav-toggle span:nth-child(2) { width: 14px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); width: 22px; }

@media (max-width: 900px) {
  /* Remove backdrop-filter on mobile to avoid creating a containing block
     that would trap the fullscreen .nav-menu inside the small .navbar box. */
  .navbar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(250, 250, 247, 0.98) !important;
    transform: none !important;
    filter: none !important;
    perspective: none !important;
    contain: none !important;
  }
  .nav-toggle { display: flex; position: relative; z-index: 1002; }
  .nav-menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    width: 100dvw;
    height: 100vh !important;
    height: 100dvh;
    background: var(--bg-dark) !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--t-base);
    z-index: 1001 !important;
    padding: 4rem 1.5rem;
    overflow-y: auto;
    isolation: isolate;
  }
  .nav-menu.open { transform: translateX(0); }
  /* When mobile menu is open, lock body scroll & prevent content from showing through */
  body.menu-open { overflow: hidden; }
  body.menu-open .hero,
  body.menu-open .page-hero,
  body.menu-open section,
  body.menu-open .footer { visibility: hidden; }
  .nav-menu a { color: var(--kzar-calcaire); font-size: 1.5rem; font-family: var(--font-serif); }
  .nav-menu a.btn-primary,
  .nav-menu a.btn-primary.active,
  .nav-menu a.btn-primary:hover {
    background: var(--kzar-calcaire);
    color: var(--bg-dark);
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 1rem 2rem;
  }
  /* Hamburger lines stay dark when menu closed, white when menu open */
  .nav-toggle.open span { background: var(--kzar-calcaire); }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.875rem 1.6rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
}
.btn-primary {
  background: var(--bg-dark);
  color: var(--kzar-calcaire);
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px rgba(14, 42, 31, 0.4);
}
.btn-outline {
  border-color: var(--bg-dark);
  color: var(--bg-dark);
}
.btn-outline:hover {
  background: var(--bg-dark);
  color: var(--kzar-calcaire);
}
.btn-ghost {
  color: var(--bg-dark);
  padding: 0.5rem 0;
  border-radius: 0;
}
.btn-ghost::after {
  content: "→";
  transition: transform var(--t-base);
  display: inline-block;
}
.btn-ghost:hover { color: var(--accent); }
.btn-ghost:hover::after { transform: translateX(6px); }

.btn-light {
  background: var(--kzar-calcaire);
  color: var(--bg-dark);
}
.btn-light:hover {
  background: var(--accent-hover);
  color: var(--bg-dark);
}

/* =============================================
   HERO (HOMEPAGE)
   ============================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--kzar-calcaire);
}
.hero h1, .hero p { color: var(--kzar-calcaire); }
.hero .eyebrow { color: var(--accent-hover); }
.hero .eyebrow::before { background: var(--accent-hover); }

.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 3rem; }
}

.hero-content > * + * { margin-top: 1.5rem; }
.hero h1 {
  font-size: clamp(2.75rem, 6.5vw, 5.75rem);
  letter-spacing: -0.025em;
}
.hero h1 .accent { color: var(--accent-hover); font-style: italic; }
.hero .lead { max-width: 540px; color: rgba(250, 250, 247, 0.78); }

.hero-cta { display: flex; gap: 1rem; margin-top: 2.5rem !important; flex-wrap: wrap; }

.hero-meta {
  margin-top: 4rem !important;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  border-top: 1px solid rgba(250, 250, 247, 0.12);
  padding-top: 2rem;
}
.hero-meta-item .label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 0.4rem;
  display: block;
}
.hero-meta-item .value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--kzar-calcaire);
}
@media (max-width: 600px) {
  .hero-meta { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* Pillars visual */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1.05;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pillars {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1.2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}
.pillar {
  height: 100%;
  background: rgba(250, 250, 247, 0.95);
  border-radius: 2px 2px 0 0;
  position: relative;
  transform-origin: bottom;
  animation: pillar-rise 1.2s var(--ease) backwards;
}
.pillar:nth-child(1) { animation-delay: 0.1s; }
.pillar:nth-child(2) { animation-delay: 0.25s; }
.pillar:nth-child(3) { animation-delay: 0.4s; }
.pillar:nth-child(4) { background: var(--accent-hover); animation-delay: 0.55s; }

@keyframes pillar-rise {
  from { transform: scaleY(0); opacity: 0; }
  to { transform: scaleY(1); opacity: 1; }
}

.pillars-base {
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--accent-hover);
  transform-origin: left;
  animation: line-grow 0.9s 1s var(--ease) backwards;
}
@keyframes line-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.pillars-label {
  position: absolute;
  bottom: -2.25rem;
  left: 0; right: 0;
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: rgba(250, 250, 247, 0.6);
  text-transform: uppercase;
}

/* =============================================
   PAGE HEADER (sub-pages)
   ============================================= */
.page-hero {
  padding: 11rem 0 5rem;
  background: var(--bg-dark);
  color: var(--kzar-calcaire);
  position: relative;
  overflow: hidden;
}
.page-hero h1, .page-hero p { color: var(--kzar-calcaire); }
.page-hero .eyebrow { color: var(--accent-hover); }
.page-hero .eyebrow::before { background: var(--accent-hover); }
.page-hero .lead { color: rgba(250, 250, 247, 0.78); max-width: 720px; }
.page-hero h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); margin: 1.5rem 0 1.5rem; }

.breadcrumb {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 250, 247, 0.55);
  margin-bottom: 2.5rem;
}
.breadcrumb a { color: var(--accent-hover); }
.breadcrumb a:hover { color: var(--kzar-calcaire); }
.breadcrumb span + span::before { content: "/"; margin: 0 0.6rem; opacity: 0.5; }

/* =============================================
   GRID & CARDS
   ============================================= */
.grid { display: grid; gap: 2rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 24px 48px -24px rgba(14, 42, 31, 0.12);
}

/* Service card */
.service-card {
  padding: 2.5rem 2rem;
  background: var(--kzar-calcaire);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -24px rgba(14, 42, 31, 0.15);
}
.service-card .pole-num {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}
.service-card h3 { margin-bottom: 1rem; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; flex-grow: 1; }
.service-card .link {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.service-card .link::after { content: "→"; transition: transform var(--t-base); }
.service-card:hover .link::after { transform: translateX(4px); }

/* Pillar mini icon */
.pillar-icon {
  width: 48px;
  height: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin-bottom: 1.25rem;
}
.pillar-icon span {
  background: var(--bg-dark);
  border-radius: 1px;
  height: 100%;
}
.pillar-icon[data-pole="1"] span:nth-child(1) { background: var(--accent); }
.pillar-icon[data-pole="2"] span:nth-child(2) { background: var(--accent); }
.pillar-icon[data-pole="3"] span:nth-child(3) { background: var(--accent); }
.pillar-icon[data-pole="4"] span:nth-child(4) { background: var(--accent); }

/* On dark backgrounds (page heroes, dark cards), invert the pillar-icon colors */
.page-hero .pillar-icon span,
.hero .pillar-icon span,
.footer .pillar-icon span,
.on-dark .pillar-icon span { background: rgba(250, 250, 247, 0.95); }
.page-hero .pillar-icon[data-pole="1"] span:nth-child(1),
.page-hero .pillar-icon[data-pole="2"] span:nth-child(2),
.page-hero .pillar-icon[data-pole="3"] span:nth-child(3),
.page-hero .pillar-icon[data-pole="4"] span:nth-child(4),
.hero .pillar-icon[data-pole="1"] span:nth-child(1),
.hero .pillar-icon[data-pole="2"] span:nth-child(2),
.hero .pillar-icon[data-pole="3"] span:nth-child(3),
.hero .pillar-icon[data-pole="4"] span:nth-child(4) { background: var(--accent-hover); }

/* =============================================
   APPROACH STEPS
   ============================================= */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
@media (max-width: 900px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
}
.step {
  border-top: 1px solid var(--line-strong);
  padding-top: 2rem;
  position: relative;
}
.step .num {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
}
.step h4 { margin-bottom: 0.75rem; }
.step p { font-size: 0.9rem; color: var(--text-muted); }

/* =============================================
   ABOUT / CONTENT BLOCKS
   ============================================= */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.split.flip { grid-template-columns: 1fr 1fr; }
.split.flip > :first-child { order: 2; }
@media (max-width: 900px) {
  .split, .split.flip { grid-template-columns: 1fr; gap: 3rem; }
  .split.flip > :first-child { order: 0; }
}

.feature-list { margin-top: 2rem; }
.feature-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}
.feature-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Pillar visual large (about page) */
.pillars-lg {
  background: var(--bg-dark);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  aspect-ratio: 1;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.pillars-lg .pillars { aspect-ratio: 1 / 1; }
.pillars-lg .pillars { max-width: 100%; }
.pillars-lg .pillar { background: rgba(250, 250, 247, 0.95); }
.pillars-lg .pillar:nth-child(4) { background: var(--accent-hover); }

/* =============================================
   STATS
   ============================================= */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
@media (max-width: 900px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  padding: 2.5rem 1.5rem;
  text-align: left;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
@media (max-width: 900px) {
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
}
.stat .num {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  color: var(--bg-dark);
  line-height: 1;
}
.stat .label {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* =============================================
   QUOTE / PROMISE
   ============================================= */
.promise {
  background: var(--bg-dark);
  color: var(--kzar-calcaire);
  border-radius: var(--radius-lg);
  padding: 5rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.promise::before, .promise::after {
  content: "";
  position: absolute;
  width: 1px;
  background: rgba(250, 250, 247, 0.15);
  top: 2rem; bottom: 2rem;
}
.promise::before { left: 2rem; }
.promise::after { right: 2rem; }

.promise blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-style: italic;
  line-height: 1.25;
  max-width: 800px;
  margin: 0 auto;
  color: var(--kzar-calcaire);
}
.promise blockquote .accent { color: var(--accent-hover); font-style: normal; }
.promise cite {
  display: block;
  margin-top: 2rem;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-hover);
}
@media (max-width: 600px) { .promise { padding: 3rem 1.5rem; } }

/* =============================================
   CTA SECTION
   ============================================= */
.cta-section {
  padding: 7rem 0;
  text-align: center;
  background: var(--bg);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-section h2 {
  max-width: 720px;
  margin: 1.5rem auto;
}
.cta-section .actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-dark);
  color: rgba(250, 250, 247, 0.7);
  padding: 5rem 0 2.5rem;
}
.footer h5 {
  color: var(--kzar-calcaire);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo img { height: 40px; filter: brightness(0) invert(1); margin-bottom: 1rem; }
.footer-tagline {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--accent-hover);
  margin-top: 1rem;
}
.footer ul li { margin-bottom: 0.6rem; }
.footer ul a {
  color: rgba(250, 250, 247, 0.7);
  font-size: 0.92rem;
  transition: color var(--t-fast);
}
.footer ul a:hover { color: var(--kzar-calcaire); }

.footer-bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(250, 250, 247, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: rgba(250, 250, 247, 0.4);
}

/* =============================================
   FORM
   ============================================= */
.form { max-width: 640px; }
.form-row { margin-bottom: 1.5rem; }
.form-row label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 0.875rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text);
  transition: border-color var(--t-base);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

/* =============================================
   PILLAR FEATURE (about/services intro)
   ============================================= */
.poles-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
@media (max-width: 900px) { .poles-strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .poles-strip { grid-template-columns: 1fr; } }
.pole-cell {
  padding: 2.5rem 2rem;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.pole-cell:last-child { border-right: none; }
.pole-cell .num {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.pole-cell .name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: 1rem 0 0.5rem;
  color: var(--bg-dark);
}
.pole-cell .desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.pole-cell .pillar-icon { margin-top: auto; padding-top: 1.5rem; }

/* =============================================
   CONTACT INFO
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; gap: 3rem; } }
.contact-info-block { margin-bottom: 2.5rem; word-break: break-word; overflow-wrap: anywhere; }
.contact-info-block .label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.contact-info-block .value {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 4.5vw, 1.25rem);
  color: var(--bg-dark);
  line-height: 1.3;
}
.contact-info-block a:hover { color: var(--accent); }

/* =============================================
   TRUST BAR
   ============================================= */
.trust-bar {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}
.trust-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.trust-marks {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--bg-dark);
  opacity: 0.6;
}

/* =============================================
   FAQ / DETAILS
   ============================================= */
.faq-item {
  border-top: 1px solid var(--line-strong);
  padding: 1.75rem 0;
}
.faq-item:last-child { border-bottom: 1px solid var(--line-strong); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--bg-dark);
}
.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-family: var(--font-sans);
  color: var(--accent);
  transition: transform var(--t-base);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 1rem; color: var(--text-muted); }

/* =============================================
   SUB-SERVICE GRID (advisory page)
   ============================================= */
.sub-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 700px) { .sub-services { grid-template-columns: 1fr; } }
.sub-service {
  background: var(--bg);
  padding: 2.5rem;
  transition: background var(--t-base);
}
.sub-service:hover { background: #fff; }
.sub-service .num {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--accent);
}
.sub-service h4 { margin: 1rem 0 0.75rem; color: var(--bg-dark); }
.sub-service p { font-size: 0.9rem; color: var(--text-muted); }

/* =============================================
   ANIMATIONS / REVEAL
   ============================================= */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 800ms var(--ease), transform 800ms var(--ease);
}
.fade-up.in {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   UTILITIES
   ============================================= */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mw-700 { max-width: 700px; }
.mw-800 { max-width: 800px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}