/* =============================================
   BASE.CSS — RePrime Athlet Coaching
   Black · Silver · Red
   ============================================= */

/* ---- Design-Tokens ---- */
:root {
  /* Hintergründe — neutral schwarz, kein Blau */
  --bg-page:     #080808;
  --bg-surface:  #111111;
  --bg-elevated: #1C1C1C;
  --bg-border:   #2E2E2E;
  --bg-subtle:   #050505;

  /* Text */
  --text-primary:   #F2F2F2;
  --text-secondary: #9A9A9A;
  --text-muted:     #555555;
  --text-inverse:   #080808;

  /* Rot — primäre Akzentfarbe (Aktion, CTA, Highlight) */
  --gold:        #CC1111;
  --gold-light:  #E03333;
  --gold-dark:   #8B0000;
  --gold-subtle: rgba(204,17,17,0.08);

  /* Silber — sekundäre Akzentfarbe (Struktur, Labels, Dekor) */
  --silver:        #C0C0C0;
  --silver-dark:   #888888;
  --silver-subtle: rgba(192,192,192,0.08);

  /* Semantisch */
  --success: #2e7d5a;
  --error:   #c0392b;
  --white:   #ffffff;

  /* Typografie */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Radien */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  20px;

  /* Schatten */
  --shadow-sm:     0 1px 4px rgba(0,0,0,0.6);
  --shadow-md:     0 4px 20px rgba(0,0,0,0.7);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.8);
  --shadow-gold:   0 0 24px rgba(204,17,17,0.18);
  --shadow-silver: 0 0 24px rgba(192,192,192,0.10);

  /* Abstände */
  --max-width:  740px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 5rem;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-page);
  min-height: 100vh;
}

img, svg { display: block; max-width: 100%; }

a {
  color: var(--gold);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover { color: var(--gold-light); }

ul, ol { list-style: none; }

/* ---- Typografie ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.18;
  color: var(--text-primary);
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5.5vw, 3.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.1rem, 3vw, 1.45rem); }
h4 { font-size: 1.05rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--text-primary); }

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}
.container--wide { max-width: 1000px; }

.section { padding: var(--spacing-xl) 0; }
.section--sm { padding: var(--spacing-lg) 0; }
.section--dark { background: var(--bg-subtle); }
.section--surface { background: var(--bg-surface); }

.text-center { text-align: center; }

/* ---- Trennlinie ---- */
.divider {
  border: none;
  border-top: 1px solid var(--bg-border);
  margin: var(--spacing-lg) 0;
}

/* ---- Akzent-Linie (Silber) ---- */
.gold-line {
  display: block;
  width: 40px;
  height: 2px;
  background: var(--silver);
  margin: 0 auto var(--spacing-md);
}
.gold-line--left { margin-left: 0; }

/* ---- Site-Header ---- */
.site-header {
  background: var(--bg-page);
  border-bottom: 1px solid var(--bg-border);
  padding: 0.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: block;
  height: 90px;
  width: auto;
}

.site-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

/* ---- Site-Footer ---- */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--bg-border);
  color: var(--text-muted);
  font-size: 0.82rem;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-sm);
}
.site-footer a { color: var(--silver-dark); }
.site-footer a:hover { color: var(--silver); }

/* ---- Sektion-Label (Silber — strukturell) ---- */
.section-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 0.6rem;
}

/* ---- Hilfeklassen ---- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* ---- Animationen ---- */
.fade-in {
  animation: fadeIn 0.45s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hidden { display: none !important; }

/* ---- Spinner ---- */
.spinner {
  width: 38px;
  height: 38px;
  border: 2px solid var(--bg-border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 2.5rem;
    --spacing-lg: 1.75rem;
    --spacing-md: 1.25rem;
  }

  .container {
    padding: 0 1rem;
  }

  .site-logo { height: 64px; }

  .site-header .btn {
    min-height: 44px;
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
  }

  h1 { font-size: clamp(1.65rem, 7vw, 2.5rem); }
  h2 { font-size: clamp(1.3rem, 5vw, 1.75rem); }
}

@media (max-width: 480px) {
  :root {
    --spacing-xl: 2rem;
    --spacing-lg: 1.5rem;
  }

  .container {
    padding: 0 0.875rem;
  }

  .site-logo { height: 52px; }
}