/* =================================================================
   ALTIORA CONSEIL — Feuille de style globale
   Charte : teal profond + terracotta + crème
   ================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Design tokens ---------- */
:root {
  --color-primary: #1B3A4B;
  --color-primary-soft: #2C5468;
  --color-accent: #C87F5A;
  --color-accent-dark: #A86842;
  --color-cream: #E8D5B7;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F1ECE3;
  --color-text: #1A1A1A;
  --color-muted: #6B6B6B;
  --color-border: #E4DDD1;
  --color-white: #FFFFFF;

  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 3px rgba(27, 58, 75, 0.06);
  --shadow-md: 0 8px 24px rgba(27, 58, 75, 0.08);
  --shadow-lg: 0 20px 50px rgba(27, 58, 75, 0.12);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  --container: 1200px;
  --container-narrow: 880px;
}

/* ---------- 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: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 500; }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; font-family: var(--font-sans); font-weight: 600; letter-spacing: 0; }

p { margin-bottom: 1em; color: var(--color-text); }
p.lead {
  font-size: 1.2rem;
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 60ch;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
em, .italic { font-style: italic; font-family: var(--font-serif); }

/* ---------- Layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 1.5rem; }
section { padding: clamp(4rem, 9vw, 7rem) 0; }
.section-bg-alt { background: var(--color-bg-alt); }
.section-bg-dark { background: var(--color-primary); color: var(--color-bg); }
.section-bg-dark h1, .section-bg-dark h2, .section-bg-dark h3 { color: var(--color-bg); }
.section-bg-dark p { color: rgba(250, 247, 242, 0.85); }

.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-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 1rem; } .mt-2 { margin-top: 2rem; } .mt-3 { margin-top: 3rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.98rem;
  transition: all var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
}
.btn-primary:hover { background: var(--color-primary-soft); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-accent:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-bg); }
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0.6rem 0.2rem;
}
.btn-ghost:hover { color: var(--color-accent); }
.btn .arrow { transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.nav-brand {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.nav-brand span { color: var(--color-accent); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.nav-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.nav-menu a:hover::after, .nav-menu a.active::after { transform: scaleX(1); }
.nav-menu a:hover { color: var(--color-primary); }

.nav-cta { margin-left: 0.5rem; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; justify-content: center; gap: 5px;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav-menu {
    position: fixed;
    top: 78px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--color-bg);
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(-120%);
    transition: transform var(--transition);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .nav-menu.open { transform: translateY(0); }
  .nav-menu a { padding: 0.4rem 0; font-size: 1.1rem; }
  .nav-toggle { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(4rem, 8vw, 6rem);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 55%; height: 140%;
  background: radial-gradient(circle at 30% 40%, rgba(200, 127, 90, 0.12), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero h1 span.accent { color: var(--color-accent); font-style: italic; }
.hero-actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.hero-visual {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(27, 58, 75, 0.55), rgba(200, 127, 90, 0.25)),
    url('https://images.unsplash.com/photo-1542744173-8e7e53415bb0?auto=format&fit=crop&w=900&q=80') center/cover;
  box-shadow: var(--shadow-lg);
}

/* ---------- Cards ---------- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-cream);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.4rem;
  font-size: 1.4rem;
  color: var(--color-accent-dark);
}
.card h3 { margin-bottom: 0.7rem; }
.card p { color: var(--color-muted); font-size: 0.98rem; margin-bottom: 0; }

/* Pricing card */
.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.4rem 2rem;
  border: 1px solid var(--color-border);
  display: flex; flex-direction: column;
  transition: all var(--transition);
  position: relative;
}
.pricing-card.featured {
  background: var(--color-primary);
  color: var(--color-bg);
  border-color: var(--color-primary);
  transform: scale(1.03);
}
.pricing-card.featured h3 { color: var(--color-bg); }
.pricing-card.featured .price { color: var(--color-accent); }
.pricing-card.featured li { color: rgba(250, 247, 242, 0.9); }
.pricing-card.featured li::before { background: var(--color-accent); }
.pricing-card .badge {
  position: absolute; top: -12px; left: 2rem;
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.pricing-card.featured:hover { transform: scale(1.03) translateY(-6px); }
.pricing-card h3 { margin-bottom: 0.4rem; }
.pricing-card .subtitle { color: var(--color-muted); font-size: 0.95rem; margin-bottom: 1.6rem; }
.pricing-card.featured .subtitle { color: rgba(250, 247, 242, 0.7); }
.pricing-card .price {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.pricing-card .price-note { font-size: 0.9rem; color: var(--color-muted); margin-bottom: 2rem; }
.pricing-card ul { display: flex; flex-direction: column; gap: 0.7rem; margin-bottom: 2rem; flex-grow: 1; }
.pricing-card li {
  padding-left: 1.7rem;
  position: relative;
  font-size: 0.95rem;
}
.pricing-card li::before {
  content: '';
  position: absolute; left: 0; top: 0.55em;
  width: 10px; height: 10px;
  background: var(--color-accent);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* ---------- Process steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.step {
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  position: relative;
  counter-increment: step;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
  font-weight: 500;
}
.step h4 { margin-bottom: 0.5rem; color: var(--color-primary); }
.step p { font-size: 0.95rem; color: var(--color-muted); margin: 0; }

/* ---------- Testimonials ---------- */
.testimonial {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  border: 1px solid var(--color-border);
  position: relative;
}
.testimonial::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-cream);
  position: absolute;
  top: -0.5rem; left: 1rem;
  line-height: 1;
}
.testimonial-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  position: relative;
}
.testimonial-author { display: flex; align-items: center; gap: 1rem; }
.testimonial-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--color-cream);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-accent-dark);
}
.testimonial-meta { display: flex; flex-direction: column; }
.testimonial-meta strong { color: var(--color-primary); font-size: 0.95rem; }
.testimonial-meta span { color: var(--color-muted); font-size: 0.85rem; }

/* Clients logos */
.clients-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  opacity: 0.7;
}
.clients-strip .logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* ---------- Forms ---------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-primary);
}
.form-group label .req { color: var(--color-accent); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(27, 58, 75, 0.08);
}
.form-check { display: flex; align-items: flex-start; gap: 0.7rem; font-size: 0.92rem; color: var(--color-muted); line-height: 1.5; }
.form-check input { margin-top: 0.25rem; }
.form-submit { margin-top: 0.6rem; align-self: flex-start; }

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--color-white);
  font-weight: 400;
  color: var(--color-text);
}
.checkbox-group label:hover { border-color: var(--color-accent); }
.checkbox-group input:checked + span { color: var(--color-accent-dark); font-weight: 500; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
@media (max-width: 800px) { .team-grid { grid-template-columns: 1fr; } }
.team-member {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.team-member:hover { box-shadow: var(--shadow-md); }
.team-photo {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-cream), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-primary);
}
.team-info { padding: 2rem; }
.team-info h3 { margin-bottom: 0.3rem; }
.team-role { color: var(--color-accent); font-size: 0.95rem; font-weight: 500; margin-bottom: 1rem; display: block; }
.team-info p { color: var(--color-muted); font-size: 0.95rem; }
.team-socials { display: flex; gap: 0.8rem; margin-top: 1.2rem; }
.team-socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  font-size: 0.85rem;
  transition: all var(--transition);
}
.team-socials a:hover { background: var(--color-primary); color: var(--color-bg); }

/* ---------- Blog ---------- */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: all var(--transition);
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.blog-cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}
.blog-body { padding: 1.6rem; display: flex; flex-direction: column; flex-grow: 1; }
.blog-meta { font-size: 0.82rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.7rem; }
.blog-card h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.blog-card p { color: var(--color-muted); font-size: 0.95rem; flex-grow: 1; margin-bottom: 1rem; }
.blog-card .read-more { color: var(--color-accent); font-weight: 500; font-size: 0.92rem; }

/* ---------- Article ---------- */
.article { padding: 5rem 0; }
.article-header { margin-bottom: 3rem; }
.article-meta {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-accent); margin-bottom: 1rem;
}
.article-content { font-size: 1.1rem; line-height: 1.75; }
.article-content h2 { margin: 2.5rem 0 1rem; }
.article-content h3 { margin: 2rem 0 0.8rem; }
.article-content p { margin-bottom: 1.3rem; }
.article-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.5rem 0 0.5rem 1.5rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-primary);
  margin: 2rem 0;
}
.article-content ul { padding-left: 1.5rem; margin-bottom: 1.3rem; }
.article-content ul li { list-style: disc; margin-bottom: 0.5rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(250, 247, 242, 0.8);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-bg);
  margin-bottom: 1rem;
  display: inline-block;
}
.footer-brand span { color: var(--color-accent); }
.footer-tagline { font-size: 0.95rem; line-height: 1.5; max-width: 28ch; }
.site-footer h4 { color: var(--color-bg); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.1rem; }
.footer-links { display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a { font-size: 0.95rem; color: rgba(250, 247, 242, 0.75); }
.footer-links a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(250, 247, 242, 0.15);
  padding-top: 1.8rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.85rem; flex-wrap: wrap; gap: 1rem;
}
.footer-socials { display: flex; gap: 0.8rem; }
.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(250, 247, 242, 0.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
  transition: background var(--transition);
}
.footer-socials a:hover { background: var(--color-accent); }

/* ---------- Utilities ---------- */
.split-line {
  width: 50px; height: 3px;
  background: var(--color-accent);
  margin: 0 0 1.5rem;
}
.split-line.centered { margin: 0 auto 1.5rem; }

.badge-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: var(--color-cream);
  color: var(--color-accent-dark);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.cta-banner {
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  background-image: radial-gradient(circle at 80% 20%, rgba(200, 127, 90, 0.25), transparent 55%);
}
.cta-banner h2 { color: var(--color-bg); margin-bottom: 1rem; }
.cta-banner p { color: rgba(250, 247, 242, 0.85); max-width: 55ch; margin-left: auto; margin-right: auto; margin-bottom: 2rem; }

.form-success {
  background: #E8F3ED;
  border: 1px solid #A8D5B5;
  color: #2B5F3E;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  display: none;
}
.form-success.visible { display: block; }

/* Reveal on scroll */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }