/* ============================================================
   HAUG Bedachungen — Global Design System
   Mood: Industriell Präzise, überwiegend weiss
   ============================================================ */

/* ─── Self-hosted Fonts (Manrope + JetBrains Mono) ───
   Lokal aus /fonts/ geladen — kein Datenabfluss zu Google (DSGVO),
   kein externer Request. font-display: swap. */

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-500-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/jetbrains-mono-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/manrope-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/manrope-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/manrope-500-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/manrope-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/manrope-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/manrope-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/manrope-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/manrope-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/manrope-800-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('/fonts/manrope-800-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ─── Design Tokens ─── */
:root {
  /* ─── Brand (Rot aus Logo #E30713) ─── */
  --color-brand-main:       #E30713;
  --color-brand-darker:     #B50510;
  --color-brand-lighter:    #F43545;
  --color-brand-subtle:     #FDECEE;

  /* ─── Backgrounds — überwiegend weiss ─── */
  --color-bg-light:         #FAFAF9;   /* Haupt-Bühne warm off-white */
  --color-bg-card:          #FFFFFF;   /* Cards + reine weiße Zonen */
  --color-bg-accent:        #F1F2F3;   /* alternate section, leicht kühles grau */
  --color-bg-dark:          #121212;   /* selten eingesetzt, starker Kontrast */
  --color-bg-darker:        #0A0A0A;

  /* ─── Borders & Divider ─── */
  --color-border:           #E8E6E4;
  --color-border-strong:    #D4D2CF;
  --color-border-dark:      rgba(255,255,255,0.12);

  /* ─── Text ─── */
  --color-heading:          #1E1E1C;   /* Logo-Anthrazit direkt */
  --color-body:             #3A3A38;
  --color-text-muted:       #6F6D6A;
  --color-text-inverse:     #FAFAF9;
  --color-text-inverse-muted: rgba(250,250,249,0.62);

  /* ─── Semantik ─── */
  --color-success:          #15803D;
  --color-off-white:        #FAFAF9;

  /* ─── Typografie ─── */
  --font-main:              'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:              'JetBrains Mono', ui-monospace, 'SF Mono', Monaco, monospace;

  --font-size-body:         17px;
  --line-height-body:       1.55;
  --line-height-tight:      1.08;
  --line-height-heading:    1.12;

  --font-size-h1:           clamp(44px, 5.5vw, 84px);
  --font-size-h2:           clamp(32px, 3.8vw, 56px);
  --font-size-h3:           clamp(24px, 2.2vw, 32px);
  --font-size-h4:           22px;
  --font-size-h5:           18px;
  --font-size-small:        13px;
  --font-size-micro:        12px;
  --font-size-eyebrow:      12px;
  --font-size-button:       14px;

  --letter-spacing-eyebrow: 0.14em;
  --letter-spacing-tight:   -0.02em;
  --letter-spacing-display: -0.03em;

  /* ─── Layout ─── */
  --max-width:              1280px;
  --max-width-narrow:       880px;
  --section-padding:        120px 48px;
  --section-padding-mobile: 72px 10px;
  --gutter:                 24px;

  /* ─── Spacing Scale ─── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;
  --space-10: 128px;

  /* ─── Shadows — subtil, warm-getönt ─── */
  --shadow-xs:    0 1px 2px rgba(30,30,28,0.04);
  --shadow-sm:    0 2px 6px rgba(30,30,28,0.06), 0 1px 2px rgba(30,30,28,0.04);
  --shadow-md:    0 8px 24px -6px rgba(30,30,28,0.10), 0 2px 6px rgba(30,30,28,0.05);
  --shadow-lg:    0 24px 48px -12px rgba(30,30,28,0.14), 0 4px 12px rgba(30,30,28,0.06);
  --shadow-brand: 0 16px 40px -12px rgba(227,7,19,0.32);

  /* ─── Radius — knapp, industriell ─── */
  --radius-sm:  2px;
  --radius-md:  4px;
  --radius-lg:  8px;
  --radius-pill: 999px;

  /* ─── Motion ─── */
  --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
  --ease-inout:   cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast:     160ms;
  --dur-med:      260ms;
  --dur-slow:     460ms;
}

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

html {
  /* KEIN scroll-behavior: smooth — kollidiert mit Lenis (smooth scroll wird via JS gesteuert) */
  -webkit-text-size-adjust: 100%;
}

/* Reduced-Motion respektieren — Reveal-Animationen + Spring-Effekte abschalten */
@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;
  }
  .reveal { opacity: 1; transform: none; }
}

body {
  font-family: var(--font-main);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-body);
  background: var(--color-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "ss01" 1;
}

#nav {
  position: sticky;
  top: 0;
  z-index: 100;
}

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

/* ─── Typografie — Headings ─── */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-family: var(--font-main);
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-tight);
  font-weight: 700;
  text-wrap: balance;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800;
  letter-spacing: var(--letter-spacing-display);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 700;
}

h4 {
  font-size: var(--font-size-h4);
  font-weight: 600;
}

h5 {
  font-size: var(--font-size-h5);
  font-weight: 600;
}

p { max-width: 68ch; }

a {
  color: var(--color-brand-main);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--color-brand-darker); }

strong { font-weight: 700; color: var(--color-heading); }

/* ─── Selection ─── */
::selection {
  background: var(--color-brand-main);
  color: var(--color-off-white);
}

/* ─── Layout-Helper ─── */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
  width: 100%;
}

.container-narrow {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: 0 48px;
}

.section {
  padding: var(--section-padding);
}

.section--accent { background: var(--color-bg-accent); }
.section--card   { background: var(--color-bg-card); }
.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--color-off-white); }
.section--dark p  { color: var(--color-text-inverse-muted); }

/* ─── Eyebrow — "EST. 1960" Style ─── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: var(--font-size-eyebrow);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-eyebrow);
  text-transform: uppercase;
  color: var(--color-heading);
  font-family: var(--font-main);
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-brand-main);
  flex-shrink: 0;
}
.eyebrow--muted { color: var(--color-text-muted); }
.eyebrow--inverse { color: var(--color-off-white); }
.eyebrow--nodot::before { display: none; }

/* ─── Section-Number — "01 / 04" ─── */
.section-num {
  font-family: var(--font-mono);
  font-size: var(--font-size-micro);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}

/* ─── Tag / Badge ─── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-border-strong);
  color: var(--color-heading);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
}
.tag--brand {
  background: var(--color-brand-main);
  border-color: var(--color-brand-main);
  color: var(--color-off-white);
}
.tag--ghost {
  background: transparent;
  border-color: currentColor;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  font-size: var(--font-size-button);
  font-weight: 600;
  font-family: var(--font-main);
  letter-spacing: 0.02em;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition:
    background var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
  white-space: nowrap;
  min-height: 48px;
}

.btn-primary {
  background: var(--color-brand-main);
  color: var(--color-off-white);
  border-color: var(--color-brand-main);
}
.btn-primary:hover {
  background: var(--color-brand-darker);
  border-color: var(--color-brand-darker);
  color: var(--color-off-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-brand);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--color-heading);
  color: var(--color-off-white);
  border-color: var(--color-heading);
}
.btn-secondary:hover {
  background: #000;
  border-color: #000;
  color: var(--color-off-white);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-heading);
  border-color: var(--color-border-strong);
}
.btn-ghost:hover {
  background: var(--color-heading);
  color: var(--color-off-white);
  border-color: var(--color-heading);
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--color-heading);
  padding: 4px 0;
  border-bottom: 1px solid currentColor;
  transition: color var(--dur-fast) var(--ease-out), gap var(--dur-fast) var(--ease-out);
}
.btn-link:hover { color: var(--color-brand-main); gap: 14px; }

.btn .arrow {
  display: inline-block;
  width: 14px;
  height: 1px;
  background: currentColor;
  position: relative;
  transition: width var(--dur-fast) var(--ease-out);
}
.btn .arrow::after {
  content: '';
  position: absolute;
  right: -1px;
  top: -3px;
  width: 7px;
  height: 7px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.btn:hover .arrow { width: 20px; }

/* ─── Inputs ─── */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-heading);
}
.field input,
.field textarea,
.field select {
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--color-heading);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  width: 100%;
  min-height: 48px;
  line-height: 1.4;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-heading);
  box-shadow: 0 0 0 3px rgba(30,30,28,0.08);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: #A8A6A3; }

/* ─── Divider ─── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
}
.divider--strong { background: var(--color-border-strong); }

/* ─── Stat / Zahl-Block ─── */
.stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-value {
  font-size: clamp(40px, 4vw, 64px);
  font-weight: 800;
  letter-spacing: var(--letter-spacing-display);
  line-height: 1;
  color: var(--color-heading);
  font-feature-settings: "tnum" 1;
}
.stat-value--brand { color: var(--color-brand-main); }
.stat-label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* ─── Card-Marker — Blueprint-Ecken ─── */
.marker-corners {
  position: relative;
}
.marker-corners::before,
.marker-corners::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 4;
}
.marker-corners::before {
  top: 0; left: 0;
  border-top: 2px solid var(--color-brand-main);
  border-left: 2px solid var(--color-brand-main);
}
.marker-corners::after {
  bottom: 0; right: 0;
  border-bottom: 2px solid var(--color-brand-main);
  border-right: 2px solid var(--color-brand-main);
}

/* ─── Red Dot / Marker ─── */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-brand-main);
  flex-shrink: 0;
}
.dot-pulse {
  position: relative;
}
.dot-pulse::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-brand-main);
  border-radius: 50%;
  animation: pulse 2s var(--ease-out) infinite;
  opacity: 0.5;
}
@keyframes pulse {
  0%   { transform: scale(1);   opacity: 0.5; }
  100% { transform: scale(3);   opacity: 0; }
}

/* ─── Reveal on scroll ─── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Tabular numbers utility ─── */
.tabular { font-feature-settings: "tnum" 1, "kern" 1; font-variant-numeric: tabular-nums; }

/* ─── Visually hidden (a11y) ─── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ─── Focus ring ─── */
:focus-visible {
  outline: 2px solid var(--color-brand-main);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  :root {
    --section-padding: 88px 32px;
  }
  .container { padding: 0 32px; }
  .container-narrow { padding: 0 32px; }
}

@media (max-width: 767px) {
  :root {
    --section-padding: 64px 0;
    --font-size-body: 16px;
  }
  .container, .container-narrow { padding: 0 20px; }
  .btn { padding: 14px 22px; min-height: 44px; }
}