/* ============================================================
   DSC Website 3.0 – main.css (Mobile-First)
   Design: Editorial / Luxury – "The Scholarly Publisher"
   Fonts: Fraunces (display) + Lora (body)
   Breakpoints: min-width ONLY – 640px / 768px / 1024px
   © Dr. Christof Schürmann – drschuermann.com
   ============================================================ */


/* ============================================================
   1. FONTS – self-hosted (DSGVO-konform, kein Google CDN)
   LG München 20.01.2022 (Az. 3 O 17493/20): Google Fonts CDN
   ohne Einwilligung rechtswidrig → lokale Einbindung
   ============================================================ */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url('../fonts/fraunces-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 400;
  font-display: swap;
  src: url('../fonts/fraunces-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'Lora';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/lora-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Lora';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/lora-italic.woff') format('woff');
}


/* ============================================================
   2. CSS VARIABLES
   ============================================================ */
:root {
  /* Corporate Colors */
  --color-primary:      #0E5A8A;   /* Venice Blue */
  --color-accent:       #EAB54E;   /* Tulip Tree */
  --color-text:         #2C2C2C;
  --color-text-light:   #5A5A5A;
  --color-text-muted:   #999999;
  --color-bg:           #FFFFFF;
  --color-bg-alt:       #F6F4F0;   /* Warmes Off-White */
  --color-bg-hero:      #0E5A8A;   /* Venice Blue Hero */
  --color-border:       #E4DED6;
  --color-border-light: #F0ECE7;

  /* Typography */
  --font-display:       'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:          'Lora', Georgia, 'Times New Roman', serif;

  /* Mobile base: 17px, desktop: 18px (set in breakpoint below) */
  --font-size-base:     17px;
  --line-height-base:   1.78;
  --line-height-tight:  1.15;

  /* Type Scale */
  --text-xs:    0.778rem;
  --text-sm:    0.889rem;
  --text-base:  1rem;
  --text-lg:    1.222rem;
  --text-xl:    1.556rem;
  --text-2xl:   2rem;
  --text-3xl:   2.667rem;
  --text-4xl:   3.556rem;
  --text-5xl:   4.444rem;

  /* 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;

  /* Layout */
  --content-width: 720px;
  --page-width:    1200px;
  --nav-height:    60px;   /* mobile: 60px → 72px at 768px */

  /* Effects */
  --shadow-sm: 0 1px 4px rgba(14, 90, 138, 0.07);
  --shadow-md: 0 4px 20px rgba(14, 90, 138, 0.11);
  --shadow-lg: 0 8px 40px rgba(14, 90, 138, 0.15);
  --radius-sm: 3px;
  --radius-md: 6px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Tablet & desktop: larger base font + taller nav */
@media (min-width: 768px) {
  :root {
    --font-size-base: 18px;
    --nav-height:     72px;
  }
}


/* ============================================================
   3. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: #0A4870;
}

ul, ol {
  list-style: none;
}


/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--line-height-tight);
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

/* Fluid scale: grows from mobile to desktop */
h1 { font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl)); }
h2 { font-size: clamp(var(--text-xl), 4vw, var(--text-3xl)); }
h3 { font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl)); }
h4 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-6);
  max-width: var(--content-width);
  border-left: 2px solid transparent;
  padding-left: 0;
  margin-left: 0;
  transition: border-color 200ms ease, padding-left 200ms ease;
}

p:last-child {
  margin-bottom: 0;
}

/* Hover-Akzent: goldene linke Linie beim Überfahren von Absätzen */
.section p:hover,
.about-content p:hover,
.leistung-content p:hover {
  border-left-color: var(--color-accent);
  padding-left: 0.875rem;
}

strong { font-weight: 500; }
em { font-style: italic; }

/* Section Label */
.section-label {
  display: block;
  position: relative;
  padding-left: 28px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 20px;
  height: 2px;
  background-color: var(--color-accent);
}

/* Decorative rule under headings */
.heading-rule {
  display: block;
  width: 48px;
  height: 2px;
  background-color: var(--color-accent);
  margin-top: var(--space-4);
  margin-bottom: var(--space-8);
}


/* ============================================================
   5. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--page-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);   /* mobile: 20px */
  padding-right: var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

.container--narrow {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

/* Section padding: compact mobile → generous desktop */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* Textured alt background */
.section-alt {
  background-color: var(--color-bg-alt);
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='70' viewBox='0 0 60 70' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 2L58 18V52L30 68L2 52V18L30 2Z' stroke='%230E5A8A' stroke-width='1' stroke-opacity='0.1'/%3E%3C/svg%3E");
  background-size: 60px 70px;
}

/* Generic grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn-primary,
.btn-secondary,
.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
}

.btn-primary:hover {
  background-color: #0A4870;
  color: #FFFFFF;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  padding: calc(var(--space-4) - 2px) calc(var(--space-8) - 2px);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.btn-accent:hover {
  background-color: #D4A344;
  color: var(--color-primary);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Email link (kontakt page) */
.email-link {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: var(--space-1);
  transition: all var(--transition);
}

.email-link:hover {
  color: #0A4870;
  border-color: var(--color-primary);
}


/* ============================================================
   7. NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition);
}

.site-nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.site-nav .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo:hover {
  opacity: 0.85;
}

.nav-logo-hex {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 48px;
  width: auto;
  flex-shrink: 0;
  display: block;
}

.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.nav-logo-name {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

/* Tagline: hidden on mobile, shown on tablet+ */
.nav-logo-tagline {
  display: none;
  font-family: var(--font-body);
  font-size: calc(var(--text-xs) * 0.9);
  color: var(--color-text-light);
  font-style: italic;
}

@media (min-width: 768px) {
  .nav-logo-tagline {
    display: block;
  }
}

/* ── Hamburger: visible on mobile, hidden on desktop ── */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 101;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-primary);
  transition: all var(--transition);
}

/* ── Nav links: Mobile = hidden dropdown, Desktop = horizontal row ── */

/* Mobile default: hidden, stacked vertical */
.nav-links {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--color-bg);
  flex-direction: column;
  gap: 0;
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-md);
  padding: var(--space-4) 0;
  z-index: 100;
}

.nav-links.open {
  display: flex;
}

.nav-links li {
  width: 100%;
}

/* Mobile link styles (apply to all nav-links a on mobile) */
.nav-links a {
  display: block;
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

/* nav-cta: gold filled button (mobile + desktop) */
.nav-cta {
  display: block;
  margin: var(--space-2) var(--space-6);
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-5);
  transition: all var(--transition);
}

.nav-cta:hover {
  background-color: #D4A344;
  color: var(--color-primary);
}

/* Desktop nav: always visible horizontal row */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-8);
    border-bottom: none;
    box-shadow: none;
    padding: 0;
    background-color: transparent;
  }

  .nav-links li {
    width: auto;
  }

  /* Reset mobile block styles for desktop */
  .nav-links a {
    display: inline;
    padding: 0;
    padding-bottom: 2px;
    position: relative;
  }

  /* Animated underline on hover/active */
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-accent);
    transition: width var(--transition);
  }

  .nav-links a:hover::after,
  .nav-links a.active::after {
    width: 100%;
  }

  /* Desktop nav-cta: gold filled inline button */
  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    margin-left: var(--space-4);
    text-align: left;
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-sm);
    border: none;
  }

  .nav-cta::after {
    display: none; /* no underline on nav-cta */
  }
}


/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero {
  background-color: var(--color-bg-hero);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #0F6599 0%, #0A4870 100%);
  background-blend-mode: soft-light, normal;
  color: #FFFFFF;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
  }
}

/* Gold radial glow overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 70% 30%, rgba(234, 181, 78, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* Decorative hexagon tile (desktop only) */
.hero::after {
  content: '';
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='70' viewBox='0 0 60 70' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 2L58 18V52L30 68L2 52V18L30 2Z' stroke='rgba(234,181,78,0.12)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 60px 70px;
  opacity: 0.6;
  pointer-events: none;
  display: none;
}

@media (min-width: 1024px) {
  .hero::after {
    display: block;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
}

.hero-label {
  display: block;
  position: relative;
  padding-left: 28px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
}

.hero-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 20px;
  height: 1.5px;
  background-color: var(--color-accent);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 5.5vw, var(--text-4xl));
  font-weight: 300;
  line-height: 1.15;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
  font-optical-sizing: auto;
  text-wrap: balance;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.hero-subline {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--space-10);
  max-width: 560px;
}

@media (min-width: 768px) {
  .hero-subline {
    font-size: var(--text-lg);
    margin-bottom: var(--space-12);
  }
}

/* CTA: stacked on mobile, row on small+ */
.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  flex-wrap: wrap;
}

@media (min-width: 480px) {
  .hero-cta {
    flex-direction: row;
    align-items: center;
  }
}

.hero-divider {
  width: 48px;
  height: 1.5px;
  background-color: rgba(255, 255, 255, 0.25);
  margin: var(--space-8) 0 var(--space-6);
}

@media (min-width: 768px) {
  .hero-divider {
    margin: var(--space-10) 0 var(--space-6);
  }
}

.hero-meta {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

/* Hero btn variants */
.hero .btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-weight: 600;
}

.hero .btn-outline {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 2px;
  transition: all var(--transition);
}

.hero .btn-outline:hover {
  color: #FFFFFF;
  border-color: var(--color-accent);
}


/* ============================================================
   9. INTRO SECTION
   ============================================================ */
.intro {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  background-image: linear-gradient(to bottom, rgba(14, 90, 138, 0.035) 0%, transparent 120px);
}

@media (min-width: 768px) {
  .intro {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* Mobile: 1 col → Desktop: 3 col */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .intro-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-12);
  }
}

.intro-item {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}

.intro-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.intro-item p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--line-height-base);
  max-width: 100%;
}


/* ============================================================
   10. METRICS SECTION
   ============================================================ */
.metrics {
  background-color: var(--color-bg-alt);
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .metrics {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

.metrics-header {
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .metrics-header {
    margin-bottom: var(--space-16);
  }
}

/* Mobile: 1 col → Tablet: 2 col → Desktop: 3 col */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
}

@media (min-width: 640px) {
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.metric-card {
  background-color: var(--color-bg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 768px) {
  .metric-card {
    padding: var(--space-10) var(--space-8);
  }
}

.metric-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-border-light);
  transition: background-color var(--transition);
}

.metric-card:hover::before {
  background-color: var(--color-accent);
}

.metric-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .metric-number {
    font-size: var(--text-4xl);
  }
}

.metric-unit {
  font-size: var(--text-xl);
  color: var(--color-primary);
  opacity: 0.65;
}

.metric-label {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  font-style: italic;
  line-height: 1.4;
  margin-bottom: var(--space-3);
}

.metric-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}


/* ============================================================
   11. USP / DIFFERENZIERUNG
   ============================================================ */
.usp-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

@media (min-width: 768px) {
  .usp-section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* Mobile: 1 col stacked → Desktop: 5fr 7fr */
.usp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .usp-grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-20);
    align-items: start;
  }
}

.usp-lead {
  /* static on mobile */
}

@media (min-width: 1024px) {
  .usp-lead {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-8));
  }
}

.usp-lead h2 {
  margin-bottom: var(--space-8);
}

.usp-lead .btn-primary {
  margin-top: var(--space-8);
}

.usp-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.usp-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border-light);
}

.usp-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.usp-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-border);
  line-height: 1;
  letter-spacing: -0.03em;
  min-width: 2.5ch;
}

@media (min-width: 768px) {
  .usp-number {
    font-size: var(--text-3xl);
  }
}

.usp-item-content h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .usp-item-content h3 {
    font-size: var(--text-xl);
  }
}

.usp-item-content p {
  font-size: var(--text-base);
  color: var(--color-text-light);
  max-width: none;
  margin-bottom: 0;
}


/* ============================================================
   12. CTA SECTION
   ============================================================ */
.cta-section {
  background-color: var(--color-bg-hero);
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E"),
    linear-gradient(135deg, #0F6599 0%, #0A4870 100%);
  background-blend-mode: soft-light, normal;
  color: #FFFFFF;
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .cta-section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(234, 181, 78, 0.07) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-section h2 {
  color: #FFFFFF;
  margin-bottom: var(--space-4);
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
}

.cta-section p {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-10);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .cta-section p {
    font-size: var(--text-lg);
  }
}

.cta-email {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: var(--color-accent);
  text-decoration: none;
  display: block;
  margin-top: var(--space-6);
  transition: opacity var(--transition);
}

@media (min-width: 768px) {
  .cta-email {
    font-size: var(--text-lg);
  }
}

.cta-email:hover {
  opacity: 0.8;
  color: var(--color-accent);
}


/* ============================================================
   13. ABOUT PAGE
   ============================================================ */
.page-hero {
  padding-top: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border-light);
}

@media (min-width: 768px) {
  .page-hero {
    padding-top: var(--space-20);
    padding-bottom: var(--space-16);
  }
}

.page-hero h1 {
  margin-bottom: var(--space-4);
}

.page-hero .lead {
  font-size: var(--text-base);
  color: var(--color-text-light);
  max-width: 620px;
  line-height: 1.65;
}

@media (min-width: 768px) {
  .page-hero .lead {
    font-size: var(--text-lg);
  }
}

/* Mobile: 1 col (photo above content) → Desktop: text | photo */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-20);
    align-items: start;
  }
}

/* Photo always above credit (block layout everywhere) */
.about-photo-frame {
  display: block;
}

@media (min-width: 1024px) {
  .about-photo-frame {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-8));
    text-align: center;
  }
}

.about-photo {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-sm);
  margin: 0 auto var(--space-4);
  display: block;
}

@media (min-width: 1024px) {
  .about-photo {
    max-width: 320px;
  }
}

.photo-placeholder {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 3/4;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  border: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
  .photo-placeholder {
    max-width: 320px;
  }
}

.photo-placeholder-inner {
  text-align: center;
  color: var(--color-text-muted);
}

.photo-placeholder-inner svg {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-3);
  opacity: 0.4;
}

.photo-credit {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
}

.photo-placeholder-text {
  font-size: var(--text-xs);
  max-width: none;
}

.leistung-content {
  max-width: 900px;
}

.kontakt-email-block {
  margin-bottom: 3rem;
}

.form-heading {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

.paket-cta {
  margin-top: var(--space-8);
}

.about-content h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .about-content h2 {
    font-size: var(--text-2xl);
    margin-top: var(--space-16);
  }
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  max-width: none;
  margin-bottom: var(--space-6);
}

.publication-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition);
  margin-top: var(--space-4);
}

.publication-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
}

.publication-link-title {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-base);
  display: block;
}

.publication-link-meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: block;
}


/* ============================================================
   14. LEISTUNG PAGE
   ============================================================ */
.leistung-lead {
  font-size: var(--text-base);
  line-height: 1.75;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin-bottom: var(--space-10);
  max-width: none;
}

@media (min-width: 768px) {
  .leistung-lead {
    font-size: var(--text-lg);
    margin-bottom: var(--space-12);
  }
}

/* Mobile: 1 col → Tablet: 2 col */
.format-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  margin-top: var(--space-8);
}

@media (min-width: 640px) {
  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.format-item {
  background-color: var(--color-bg-alt);
  padding: var(--space-6);
}

@media (min-width: 768px) {
  .format-item {
    padding: var(--space-8);
  }
}

.format-item h4 {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.format-item p {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  max-width: none;
  margin-bottom: 0;
}

.ablauf-steps {
  counter-reset: ablauf;
  margin-top: var(--space-8);
}

.ablauf-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border-light);
  counter-increment: ablauf;
}

@media (min-width: 768px) {
  .ablauf-step {
    gap: var(--space-6);
    padding: var(--space-8) 0;
  }
}

.ablauf-step:last-child {
  border-bottom: none;
}

.ablauf-step::before {
  content: counter(ablauf, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-border);
  line-height: 1;
  letter-spacing: -0.03em;
  min-width: 2.5ch;
}

@media (min-width: 768px) {
  .ablauf-step::before {
    font-size: var(--text-2xl);
  }
}

.ablauf-step-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.ablauf-step-content p {
  font-size: var(--text-base);
  color: var(--color-text-light);
  max-width: none;
  margin-bottom: 0;
}

/* Buchstart-Paket */
.paket-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  padding: var(--space-8);
  margin-top: var(--space-12);
}

@media (min-width: 768px) {
  .paket-box {
    padding: var(--space-10);
  }
}

.paket-box h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .paket-box h3 {
    font-size: var(--text-2xl);
  }
}

.paket-price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .paket-price {
    font-size: var(--text-3xl);
  }
}

.paket-price span {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  font-weight: 400;
}

.paket-items {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.paket-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-base);
}

.paket-item::before {
  content: '⬡';
  color: var(--color-accent);
  font-size: 0.7em;
  flex-shrink: 0;
}


/* ============================================================
   15. KONTAKT PAGE
   ============================================================ */
/* Mobile: 1 col → Desktop: 3fr 2fr */
.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .kontakt-grid {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-20);
    align-items: start;
  }
}

.contact-form {
  margin-top: var(--space-8);
}

@media (min-width: 768px) {
  .contact-form {
    margin-top: var(--space-10);
  }
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.form-group input:not([type="checkbox"]),
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;  /* prevents iOS zoom/styling issues */
}

.form-group input:not([type="checkbox"]):focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 90, 138, 0.08);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-4);
  font-style: italic;
}

.form-group--checkbox {
  margin-top: var(--space-4);
}

.form-checkbox-label {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-checkbox-label input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Consent-Gate: Button inaktiv bis Checkbox gecheckt */
.consent-gate .paket-cta .btn-accent {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
  transition: opacity 200ms ease;
}

.consent-gate:has(input[type="checkbox"]:checked) .paket-cta .btn-accent {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

.contact-aside {
  padding-top: var(--space-4);
}

.contact-aside-item {
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-aside-item:first-child {
  padding-top: 0;
}

.contact-aside-item:last-child {
  border-bottom: none;
}

.contact-aside-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.contact-aside-value {
  font-size: var(--text-base);
  color: var(--color-text);
}

.contact-aside-value a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.contact-aside-value a:hover {
  border-color: var(--color-accent);
  color: var(--color-primary);
}


/* ============================================================
   16. IMPRESSUM / DATENSCHUTZ
   ============================================================ */
.legal-content {
  max-width: var(--content-width);
  padding-top: var(--space-12);
  padding-bottom: var(--space-20);
}

@media (min-width: 768px) {
  .legal-content {
    padding-top: var(--space-20);
    padding-bottom: var(--space-32);
  }
}

.legal-content h1 {
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .legal-content h1 {
    margin-bottom: var(--space-12);
  }
}

.legal-content h2 {
  font-size: var(--text-lg);
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .legal-content h2 {
    font-size: var(--text-xl);
    margin-top: var(--space-10);
  }
}

.legal-content h3 {
  font-size: var(--text-base);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .legal-content h3 {
    font-size: var(--text-lg);
    margin-top: var(--space-8);
  }
}

.legal-content p {
  max-width: none;
  color: var(--color-text);
}

.legal-content address {
  font-style: normal;
  line-height: var(--line-height-base);
}


/* ============================================================
   17. FOOTER
   ============================================================ */
.site-footer {
  background-color: #0B2D4A;  /* Dunkleres Navy – hebt das Logo ab */
  color: rgba(255, 255, 255, 0.75);
  padding-top: var(--space-12);
  padding-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .site-footer {
    padding-top: var(--space-16);
    padding-bottom: var(--space-12);
  }
}

/* Mobile: 1 col → Tablet: 2 col → Desktop: 3 col */
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  color: #FFFFFF;
  font-weight: 400;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.55);
  font-style: italic;
  line-height: 1.5;
  max-width: 280px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-5);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--color-accent);
}

/* Footer bottom: stacked on mobile, row on tablet+ */
.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 0;
  max-width: none;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--color-accent);
}


/* ============================================================
   18. SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 150ms; }
.reveal-delay-2 { transition-delay: 300ms; }
.reveal-delay-3 { transition-delay: 450ms; }
.reveal-delay-4 { transition-delay: 600ms; }

/* Hero entrance animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-label  { animation: fadeInUp 600ms 100ms both cubic-bezier(0.4, 0, 0.2, 1); }
.hero h1     { animation: fadeInUp 700ms 200ms both cubic-bezier(0.4, 0, 0.2, 1); }
.hero-subline { animation: fadeInUp 700ms 350ms both cubic-bezier(0.4, 0, 0.2, 1); }
.hero-cta    { animation: fadeInUp 600ms 480ms both cubic-bezier(0.4, 0, 0.2, 1); }
.hero-divider { animation: fadeInUp 500ms 600ms both cubic-bezier(0.4, 0, 0.2, 1); }
.hero-meta   { animation: fadeInUp 500ms 680ms both cubic-bezier(0.4, 0, 0.2, 1); }

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.visible,
  .hero-label, .hero h1, .hero-subline, .hero-cta, .hero-divider, .hero-meta {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }
}