/*
 * Regionaldirektion Malte Leesemann — Design System Tokens
 * colors_and_type.css
 *
 * Brand anchor: Mecklenburgische Versicherungsgruppe
 * Accent gold extracted from official SVG logo: #FFB800
 * Charcoal text extracted from official SVG logo: #434343
 *
 * Import this file first in any project that uses this design system.
 */

/* =========================================================
   Google Fonts — Source Sans 3 (weights 400, 600, 700)
   ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;600;700&display=swap');

/* =========================================================
   Root tokens
   ========================================================= */
:root {
  /* ─── Surfaces ─────────────────────────────────────────── */
  --bg:             oklch(99% 0.003 85);    /* warm off-white page background */
  --surface:        oklch(100% 0 0);        /* card / panel background */
  --surface-alt:    oklch(97% 0.005 85);    /* tinted alternate section bg */
  --surface-dark:   oklch(18% 0.003 264);   /* footer / dark overlay */

  /* ─── Text ──────────────────────────────────────────────── */
  --fg:             oklch(30% 0.003 264);   /* #434343 charcoal — primary text */
  --muted:          oklch(56% 0.008 264);   /* secondary / caption text */
  --fg-on-dark:     oklch(97% 0.002 85);    /* text on dark surfaces */
  --on-accent:      oklch(18% 0.003 264);   /* text placed on --accent background */

  /* ─── Borders ───────────────────────────────────────────── */
  --border:         oklch(91% 0.005 85);    /* hairline dividers */
  --border-strong:  oklch(80% 0.008 85);    /* form input borders */

  /* ─── Brand accent — Mecklenburgische gold ──────────────── */
  --accent:         oklch(79% 0.162 84);    /* #FFB800 */
  --accent-hover:   oklch(73% 0.148 84);    /* 6% darker — hover state */
  --accent-light:   oklch(95% 0.040 84);    /* tinted wash for focus rings / chips */
  --accent-strong:  oklch(68% 0.135 84);    /* pressed / active */

  /* ─── Domain section tints ──────────────────────────────── */
  --privat:         oklch(79% 0.162 84);    /* gold — mirrors --accent */
  --privat-light:   oklch(95% 0.040 84);
  --privat-muted:   oklch(70% 0.100 84);

  --gewerbe:        oklch(52% 0.110 240);   /* steel blue */
  --gewerbe-light:  oklch(94% 0.030 240);
  --gewerbe-muted:  oklch(44% 0.080 240);

  --landwirt:       oklch(52% 0.100 150);   /* field green */
  --landwirt-light: oklch(94% 0.030 150);
  --landwirt-muted: oklch(44% 0.075 150);

  /* ─── Status ─────────────────────────────────────────────── */
  --success:        oklch(56% 0.140 150);
  --success-light:  oklch(94% 0.030 150);
  --warning:        oklch(72% 0.140 70);
  --warning-light:  oklch(96% 0.030 70);
  --danger:         oklch(52% 0.200 25);
  --danger-light:   oklch(95% 0.040 25);
  --info:           oklch(56% 0.100 240);
  --info-light:     oklch(94% 0.025 240);

  /* ─── Typography ─────────────────────────────────────────── */
  --font-display: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono:    ui-monospace, 'SFMono-Regular', Menlo, 'Courier New', monospace;

  /* ─── Type scale ─────────────────────────────────────────── */
  --text-display: clamp(2.5rem, 5vw, 4rem);
  --text-h1:      clamp(2rem, 4vw, 3rem);
  --text-h2:      clamp(1.5rem, 3vw, 2.25rem);
  --text-h3:      1.25rem;
  --text-h4:      1.1rem;
  --text-lg:      1.125rem;
  --text-base:    1rem;
  --text-sm:      0.875rem;
  --text-xs:      0.75rem;

  --weight-regular: 400;
  --weight-semibold: 600;
  --weight-bold:    700;

  --leading-tight:  1.15;
  --leading-snug:   1.3;
  --leading-normal: 1.65;
  --tracking-wide:  0.12em;

  /* ─── Spacing (8-point grid) ─────────────────────────────── */
  --space-1:   0.25rem;  /*  4px */
  --space-2:   0.5rem;   /*  8px */
  --space-3:   0.75rem;  /* 12px */
  --space-4:   1rem;     /* 16px */
  --space-5:   1.25rem;  /* 20px */
  --space-6:   1.5rem;   /* 24px */
  --space-8:   2rem;     /* 32px */
  --space-10:  2.5rem;   /* 40px */
  --space-12:  3rem;     /* 48px */
  --space-16:  4rem;     /* 64px */
  --space-20:  5rem;     /* 80px */
  --space-24:  6rem;     /* 96px */
  --space-32:  8rem;     /* 128px */

  /* ─── Border radius ──────────────────────────────────────── */
  --radius-sm:   4px;
  --radius:      8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-full: 9999px;

  /* ─── Elevation / shadows ────────────────────────────────── */
  --shadow-xs: 0 1px 2px oklch(0% 0 0 / 0.06);
  --shadow-sm: 0 1px 3px oklch(0% 0 0 / 0.08),  0 1px 2px oklch(0% 0 0 / 0.06);
  --shadow:    0 4px 12px oklch(0% 0 0 / 0.08),  0 2px 4px oklch(0% 0 0 / 0.06);
  --shadow-lg: 0 8px 32px oklch(0% 0 0 / 0.10),  0 4px 8px oklch(0% 0 0 / 0.06);
  --shadow-xl: 0 16px 48px oklch(0% 0 0 / 0.12), 0 8px 16px oklch(0% 0 0 / 0.07);

  /* ─── Layout ─────────────────────────────────────────────── */
  --content-max:  1200px;
  --content-wide: 1440px;
  --content-narrow: 720px;
  --section-py-desktop: var(--space-20);
  --section-py-mobile:  var(--space-12);
  --nav-height:   68px;

  /* ─── Motion ─────────────────────────────────────────────── */
  --duration-fast:  150ms;
  --duration-base:  250ms;
  --duration-slow:  400ms;
  --ease-out:       cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-in-out:    cubic-bezier(0.4, 0.0, 0.2, 1);
  --transition-btn: background-color var(--duration-fast) var(--ease-out),
                    box-shadow var(--duration-fast) var(--ease-out),
                    transform var(--duration-fast) var(--ease-out);
  --transition-card: transform var(--duration-base) var(--ease-out),
                     box-shadow var(--duration-base) var(--ease-out);
}

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
  }
}

/* =========================================================
   Base reset + body defaults
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =========================================================
   Typography utilities
   ========================================================= */
.text-display {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}

.text-h1 {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
}

.text-h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.text-h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-snug);
}

.text-h4 {
  font-size: var(--text-h4);
  font-weight: var(--weight-semibold);
}

.text-lg    { font-size: var(--text-lg); line-height: var(--leading-normal); }
.text-base  { font-size: var(--text-base); }
.text-sm    { font-size: var(--text-sm); }
.text-xs    { font-size: var(--text-xs); }
.text-muted { color: var(--muted); }
.text-accent { color: var(--accent); }

.overline {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--accent);
}

/* =========================================================
   Button utilities
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-btn);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.btn-primary:hover  { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:active { background: var(--accent-strong); }

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-secondary:hover { background: var(--accent-light); }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--accent); }

.btn:disabled, .btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* =========================================================
   Card utilities
   ========================================================= */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition-card);
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-privat   { border-left: 3px solid var(--privat); }
.card-gewerbe  { border-left: 3px solid var(--gewerbe); }
.card-landwirt { border-left: 3px solid var(--landwirt); }

/* =========================================================
   Form utilities
   ========================================================= */
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--fg);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  min-height: 44px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--fg);
  background: var(--surface);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--danger);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--danger);
  margin-top: var(--space-1);
}

/* =========================================================
   Layout utilities
   ========================================================= */
.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section-py {
  padding-block: var(--section-py-desktop);
}

@media (max-width: 640px) {
  .section-py {
    padding-block: var(--section-py-mobile);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1023px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 639px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}