/* =============================================
   BASE CSS — Reset + Design Tokens
   ============================================= */

/* Google Fonts + Fontshare */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  /* ── Type Scale ── */
  --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-3xl:  clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  /* ── Spacing ── */
  --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;
  --space-32: 8rem;

  /* ── Fonts ── */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body:    'DM Sans', 'Helvetica Neue', sans-serif;

  /* ── Radius ── */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ── Transitions ── */
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ── Content Widths ── */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
}

/* ── LIGHT THEME (Palette Luxe Patrimoniale) ── */
:root, [data-theme="light"] {
  --color-bg:              #F5F3EE;
  --color-surface:         #FAF8F4;
  --color-surface-2:       #FFFFFF;
  --color-surface-offset:  #EDE9E1;
  --color-divider:         #DDD9CF;
  --color-border:          #D0CABF;

  --color-text:            #1E1A14;
  --color-text-muted:      #6B6459;
  --color-text-faint:      #AEA89E;
  --color-text-inverse:    #FAF8F4;

  /* Or/champagne comme accent principal — gestion de patrimoine luxe */
  --color-primary:         #8B6914;
  --color-primary-hover:   #6E530F;
  --color-primary-active:  #523E0B;
  --color-primary-light:   #F0E8D4;

  /* Marine profond comme secondaire */
  --color-secondary:       #1A3355;
  --color-secondary-hover: #122540;
  --color-secondary-light: #D4DCE8;

  --color-success:         #2D6A4F;
  --color-error:           #9B2226;
}

/* ── DARK THEME ── */
[data-theme="dark"] {
  --color-bg:              #121009;
  --color-surface:         #1A1710;
  --color-surface-2:       #221F17;
  --color-surface-offset:  #1F1C14;
  --color-divider:         #2C2820;
  --color-border:          #3A3628;

  --color-text:            #E8E3D8;
  --color-text-muted:      #8A8478;
  --color-text-faint:      #5C5850;
  --color-text-inverse:    #1A1710;

  --color-primary:         #C49A2A;
  --color-primary-hover:   #D9AF3A;
  --color-primary-active:  #ECC44A;
  --color-primary-light:   #3A3018;

  --color-secondary:       #5A85B8;
  --color-secondary-hover: #7AA0D0;
  --color-secondary-light: #1E2E40;

  --color-success:         #52B788;
  --color-error:           #E76F51;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
}

/* ── System dark preference ── */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #121009;
    --color-surface:         #1A1710;
    --color-surface-2:       #221F17;
    --color-surface-offset:  #1F1C14;
    --color-divider:         #2C2820;
    --color-border:          #3A3628;
    --color-text:            #E8E3D8;
    --color-text-muted:      #8A8478;
    --color-text-faint:      #5C5850;
    --color-text-inverse:    #1A1710;
    --color-primary:         #C49A2A;
    --color-primary-hover:   #D9AF3A;
    --color-primary-active:  #ECC44A;
    --color-primary-light:   #3A3018;
    --color-secondary:       #5A85B8;
    --color-secondary-hover: #7AA0D0;
    --color-secondary-light: #1E2E40;
    --color-success:         #52B788;
    --color-error:           #E76F51;
  }
}

/* ── RESET ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s, color 0.3s;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul[role='list'], ol[role='list'] { list-style: none; }

input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
  font-family: var(--font-display);
}

p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: color-mix(in srgb, var(--color-primary) 25%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
table  { border-collapse: collapse; width: 100%; }

a, button, [role='button'], input, textarea, select {
  transition: color var(--transition), background var(--transition),
              border-color var(--transition), box-shadow var(--transition),
              transform var(--transition);
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}