/* ─── Google Fonts werden in index.html via <link> geladen (kein render-blocking @import) ─── */

/* ─── CSS-Variablen ─── */
:root {
  /* Farben — "Engineered Trust" */
  --color-brand-main:       #1F6FEB;
  --color-brand-darker:     #1551C4;
  --color-brand-lighter:    #4D94FF;
  --color-brand-subtle:     #EAF1FE;
  --color-accent-cyan:      #22D3EE;

  --color-bg-light:         #F5F8FC;
  --color-bg-dark:          #0A1124;
  --color-bg-darker:        #060B18;
  --color-bg-card:          #FFFFFF;
  --color-bg-accent:        #EEF3FB;

  --color-border:           #E3E9F3;
  --color-border-dark:      rgba(255,255,255,0.10);
  --color-text-muted:       #5A6A85;
  --color-text-dim:         #93A2BC;
  --color-off-white:        #F5F8FC;
  --color-success:          #16C098;
  --color-heading:          #0A1124;
  --color-body:             #38445C;

  /* Typografie */
  --font-main:              'Manrope', system-ui, sans-serif;
  --font-mono:              'JetBrains Mono', ui-monospace, monospace;
  --font-size-body:         17px;
  --line-height-body:       1.6;
  --font-size-h1:           68px;
  --font-size-h2:           48px;
  --font-size-h3:           32px;
  --font-size-h4:           22px;
  --font-size-h5:           18px;
  --font-size-small:        17px;
  --font-size-nav:          17px;
  --font-size-button:       17px;

  /* Layout */
  --max-width:              1200px;
  --section-padding:        110px 40px;
  --section-padding-mobile: 64px 20px;
  --radius-sm:              10px;
  --radius:                 16px;
  --radius-lg:              24px;

  /* Schatten — layered, farb-getönt */
  --shadow-sm:
    0 1px 2px rgba(16,42,90,0.05),
    0 2px 6px rgba(16,42,90,0.06);
  --shadow-md:
    0 1px 2px rgba(31,111,235,0.05),
    0 6px 16px rgba(31,111,235,0.08),
    0 18px 36px rgba(16,42,90,0.07);
  --shadow-lg:
    0 2px 4px rgba(31,111,235,0.06),
    0 12px 28px rgba(31,111,235,0.12),
    0 30px 60px rgba(16,42,90,0.12);

  --ease-spring:            cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:               cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* KEIN scroll-behavior: smooth — kollidiert mit Lenis (Phase 5). */

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;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-heading);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-h1); letter-spacing: -0.035em; font-weight: 800; }
h2 { font-size: var(--font-size-h2); letter-spacing: -0.03em; }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }

p { line-height: var(--line-height-body); }

a { color: var(--color-brand-main); text-decoration: none; transition: color .25s var(--ease-out); }
a:hover { color: var(--color-brand-darker); }

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── Reusable Atoms ─── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-brand-main);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  width: 26px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand-main), var(--color-accent-cyan));
  display: inline-block;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-main);
  font-size: var(--font-size-button);
  font-weight: 600;
  line-height: 1;
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  min-height: 44px;
  transition: transform .35s var(--ease-spring), box-shadow .35s var(--ease-out),
              background-color .25s var(--ease-out), color .25s var(--ease-out);
}
.btn-primary {
  background: var(--color-brand-main);
  color: #fff;
  box-shadow: 0 6px 18px rgba(31,111,235,0.30);
}
.btn-primary:hover {
  background: var(--color-brand-darker);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(31,111,235,0.40);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 3px solid var(--color-accent-cyan);
  outline-offset: 2px;
}
.btn-secondary {
  background: transparent;
  color: var(--color-heading);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-brand-main);
  color: var(--color-brand-main);
  transform: translateY(-2px);
}

/* ─── Scroll-Reveal (nur wenn JS aktiv — sonst voll sichtbar für SEO/No-JS) ─── */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  will-change: transform, opacity;
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { scroll-behavior: auto !important; }
}

@media (max-width: 1024px) {
  h1 { font-size: 48px; }
  h2 { font-size: 36px; }
  :root { --section-padding: 88px 40px; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  h3 { font-size: 24px; }
  :root { --section-padding: var(--section-padding-mobile); }
}