/* =========================================
   1. DESIGN TOKENS & VARIABLES
========================================= */
:root, [data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 6rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --color-bg: #f7f6f2;
  --color-surface: #f9f8f5;
  --color-surface-2: #fbfbf9;
  --color-surface-offset: #f3f0ec;
  --color-divider: #dcd9d5;
  --color-border: #d4d1ca;
  --color-text: #28251d;
  --color-text-muted: #7a7974;
  --color-text-faint: #bab9b4;
  --color-text-inverse: #f9f8f4;
  --color-primary: #01696f;
  --color-primary-hover: #0c4e54;

  --radius-sm: 0.375rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-full: 9999px;
  
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  
  --content-default: 960px;
  --content-wide: 1200px;
  
  --font-display: 'Cabinet Grotesk', sans-serif;
  --font-body: 'Satoshi', sans-serif;
  
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-surface: #1c1b19;
  --color-surface-2: #201f1d;
  --color-surface-offset: #1d1c1a;
  --color-divider: #262523;
  --color-border: #393836;
  --color-text: #cdccca;
  --color-text-muted: #797876;
  --color-text-faint: #5a5957;
  --color-text-inverse: #2b2a28;
  --color-primary: #4f98a3;
  --color-primary-hover: #227f8b;
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.3);
}

/* =========================================
   2. BASE STYLES
========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); }
body { line-height: 1.6; font-size: var(--text-base); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; }
p { color: var(--color-text-muted); max-width: 72ch; }
a { color: inherit; text-decoration: none; transition: color var(--transition-interactive); }
img, svg { max-width: 100%; display: block; }
button, .btn { cursor: pointer; border: none; font-family: inherit; font-size: var(--text-sm); font-weight: 500; }

/* =========================================
   3. LAYOUT & GRIDS
========================================= */
.container { max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-4); }
.section { padding: var(--space-16) 0; }

.grid-2 { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.grid-3 { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); } }

/* =========================================
   4. HEADER & NAVIGATION
========================================= */
header { 
  padding: var(--space-4) 0; 
  position: sticky; 
  top: 0; 
  z-index: 100;
  background-color: var(--color-primary); 
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-interactive);
}
.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo-container { display: inline-flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 700; }
.nav-links { display: flex; gap: var(--space-6); align-items: center; }
.nav-links a { color: var(--color-text-inverse); }
.nav-links a:hover { opacity: 0.8; }

header .btn-primary { background-color: var(--color-bg); color: var(--color-primary); }
header .btn-primary:hover { background-color: var(--color-surface-offset); }
header .logo-container span, header .logo-container svg { color: var(--color-text-inverse) !important; }

/* =========================================
   5. COMPONENTS (Buttons, Cards, Forms)
========================================= */
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); padding: var(--space-3) var(--space-6); border-radius: var(--radius-full); transition: background var(--transition-interactive); display: inline-block; }
.btn-primary:hover { background: var(--color-primary-hover); }

.card { background: var(--color-surface-2); padding: var(--space-8); border-radius: var(--radius-lg); border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); transition: transform var(--transition-interactive), box-shadow var(--transition-interactive); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-icon { color: var(--color-primary); margin-bottom: var(--space-4); }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }

.form-group { margin-bottom: var(--space-4); }
.form-group label { display: block; margin-bottom: var(--space-2); font-size: var(--text-sm); font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: var(--space-3); border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* =========================================
   6. PAGE SECTIONS (Hero, Profile)
========================================= */
.hero { padding: var(--space-24) 0 var(--space-16); text-align: left; }
.hero h1 { font-size: var(--text-hero); margin-bottom: var(--space-6); text-wrap: balance; }
.hero p { font-size: var(--text-lg); margin-bottom: var(--space-8); }

.profile-photo-container {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}
.profile-photo { width: 100%; height: 100%; object-fit: cover; }

/* =========================================
   7. FOOTER (Coloré)
========================================= */
footer {
  padding: var(--space-8) 0;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-top: none;
  margin-top: var(--space-16);
}

.footer-socials { display: flex; gap: var(--space-4); align-items: center; }
.footer-socials a { color: var(--color-text-inverse); transition: opacity var(--transition-interactive), transform var(--transition-interactive); }
.footer-socials a:hover { opacity: 0.8; transform: translateY(-2px); }

.footer-copyright { color: var(--color-text-inverse); opacity: 0.8; font-size: var(--text-sm); margin: 0; }

footer .logo-container span, footer .logo-container svg { color: var(--color-text-inverse) !important; }

/* =========================================
   8. ANIMATIONS & RESPONSIVE EXCEPTIONS
========================================= */
@keyframes slide {
  0%, 25% { transform: translateX(0); }
  33.33%, 58.33% { transform: translateX(-33.33%); }
  66.66%, 91.66% { transform: translateX(-66.66%); }
  100% { transform: translateX(-66.66%); }
}

@keyframes slide-2 {
  0%, 40% { transform: translateX(0); }
  50%, 90% { transform: translateX(-50%); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 768px) {
  .service-block.grid-2 { display: flex; flex-direction: column; }
  .service-block .slider-container { order: -1 !important; width: 100%; margin-bottom: var(--space-6); }
  
  footer .container { flex-direction: column; align-items: flex-start !important; gap: var(--space-6); }
  footer .logo-container { margin-left: 0 !important; }
}