/* ============================================
   BCP Steuerberatung – Design System
   ============================================ */

:root {
  --color-navy: #001a3d;
  --color-navy-light: #0a2d5c;
  --color-navy-muted: #133a6b;
  --color-blue-accent: #3d7ab8;
  --color-blue-light: #6ba3d6;
  --color-grey: #f4f4f4;
  --color-white: #ffffff;
  --color-text: #001a3d;
  --color-text-muted: #4a5568;
  --color-border: rgba(0, 26, 61, 0.12);
  --color-red: #8b2942;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --shadow-sm: 0 2px 8px rgba(0, 26, 61, 0.08);
  --shadow-md: 0 8px 32px rgba(0, 26, 61, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 26, 61, 0.16);

  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html:has(.lexikon-page) {
  scroll-padding-top: 9.5rem;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-grey);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

/* Entrance animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.45s ease,
    transform 0.45s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography helpers */
.section-header {
  margin-bottom: 3rem;
}

.section-header--light .section-header__eyebrow,
.section-header--light .section-header__title,
.section-header--light .section-header__subtitle {
  color: var(--color-white);
}

.section-header--centered {
  text-align: center;
}

.section-header__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-accent);
  margin-bottom: 0.5rem;
}

.section-header__title {
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.section-header__subtitle {
  margin-top: 0.75rem;
  color: var(--color-text-muted);
  font-size: 1.125rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.btn--primary:hover {
  background: var(--color-navy-light);
  border-color: var(--color-navy-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-white);
  transform: translateY(-1px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(244, 244, 244, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.header--over-hero {
  background: rgba(0, 26, 61, 0.16);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

.header--over-hero .logo__mark,
.header--over-hero .logo__text,
.header--over-hero .nav__link {
  color: var(--color-white);
}

.header--over-hero .nav__link:hover,
.header--over-hero .nav__link--active {
  color: var(--color-blue-light);
}

.header--over-hero .nav__link--cta {
  background: transparent;
  color: var(--color-white) !important;
  border: 2px solid var(--color-white);
}

.header--over-hero .nav__link--cta:hover {
  background: rgba(255, 255, 255, 0.15);
}

.header--over-hero .nav-toggle span {
  background: var(--color-white);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo__mark {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-navy);
  letter-spacing: 0.04em;
}

.logo__text {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-navy);
}

.nav__link--cta {
  background: var(--color-navy);
  color: var(--color-white) !important;
  border: 2px solid var(--color-navy);
  margin-left: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8125rem;
}

.nav__link--cta:hover {
  background: var(--color-navy-light);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  transition: all var(--transition);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroFade 12s infinite;
}

.hero__slide--1 {
  background-image: url('img/header1.jpeg');
}

.hero__slide--2 {
  background-image: url('img/header2.jpeg');
  animation-delay: 6s;
}

@keyframes heroFade {
  0%, 42% { opacity: 1; }
  50%, 92% { opacity: 0; }
  100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__slide {
    animation: none;
    opacity: 0;
  }

  .hero__slide--1 {
    opacity: 1;
  }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to bottom,
    rgba(0, 26, 61, 0.4) 0%,
    rgba(0, 26, 61, 0.5) 50%,
    rgba(0, 26, 61, 0.6) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 6rem 1.5rem 4rem;
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
}

.btn--hero {
  font-size: 0.9375rem;
  padding: 1rem 2.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Services */
.services {
  padding: 6rem 0;
  background: var(--color-grey);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  padding: 2.25rem 2rem;
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-navy);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.service-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.service-card__text {
  font-size: 0.975rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
}

/* Digital section */
.digital {
  padding: 6rem 0;
  background: var(--color-navy);
  position: relative;
  overflow: hidden;
}

.digital::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(61, 122, 184, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.digital__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.digital__intro {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.digital__steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.digital__steps li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.step__number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-accent);
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50%;
}

.step__text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.975rem;
  padding-top: 0.25rem;
}

.digital__note {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.digital__note p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.975rem;
}

.digital__note strong {
  color: var(--color-blue-light);
}

.digital__hint {
  margin-top: 0.75rem;
  font-style: italic;
  opacity: 0.75;
}

.digital__card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.digital__card-header {
  display: flex;
  gap: 6px;
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.digital__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.digital__card-body {
  padding: 2.5rem 2rem;
}

.digital__upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem;
  border: 2px dashed rgba(107, 163, 214, 0.45);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.digital__upload svg {
  width: 40px;
  height: 40px;
  color: var(--color-blue-accent);
}

.digital__upload span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
}

.digital__progress {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-bottom: 1rem;
  overflow: hidden;
}

.digital__progress-bar {
  width: 66%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-blue-accent), var(--color-blue-light));
  border-radius: 2px;
}

.digital__status {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* About */
.about {
  padding: 6rem 0;
  background: var(--color-grey);
}

.about__inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: center;
}

.about__portrait-frame {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.about__portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about__text {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.about__credentials li {
  padding: 0.5rem 1rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-navy);
}

/* Contact */
.contact {
  padding: 4rem 0 6rem;
  background: var(--color-white);
}

.contact__cards {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

.contact-form-card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-grey);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 3rem;
  background: var(--color-grey);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 260px;
  transition: transform var(--transition), box-shadow var(--transition);
}

a.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-card svg {
  width: 28px;
  height: 28px;
  color: var(--color-blue-accent);
  margin-bottom: 0.5rem;
}

.contact-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-card__value {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  text-align: center;
}

.services__cta {
  margin-top: 3rem;
  text-align: center;
}

/* Leistungen page */
.leistungen-page {
  padding: 6.5rem 0 4rem;
  background: var(--color-grey);
  min-height: 100vh;
}

.leistungen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.leistung-card {
  background: var(--color-navy);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.leistung-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
}

.leistung-card__icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-white);
  opacity: 0.9;
}

.leistung-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  line-height: 1.3;
}

.leistung-card__text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.65;
  margin-bottom: 0.875rem;
  text-align: left;
  width: 100%;
}

.leistung-card__list {
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.leistung-card__list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.55;
}

.leistung-card__list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.5);
}

/* Digitale Steuerberatung page */
.digital-page {
  padding: 0 0 4rem;
  background: var(--color-navy);
  min-height: 100vh;
}

.digital-hero {
  padding: 7rem 0 2.5rem;
  background: var(--color-navy);
}

.digital-hero__inner {
  max-width: 720px;
}

.digital-hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-light);
  margin-bottom: 0.75rem;
}

.digital-hero__title {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.digital-hero__subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 52ch;
}

.digital-page__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 2rem;
  align-items: start;
}

.digital-page__main {
  min-width: 0;
}

.digital-page__inner {
  max-width: 560px;
  margin: 0 auto;
}

.digital-page__hint {
  text-align: center;
  margin-bottom: 1.5rem;
}

.digital-page__hint a {
  color: var(--color-blue-light);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.digital-page__hint a:hover {
  color: var(--color-white);
}

.digital-form-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.digital-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-field label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-navy);
}

.form-required {
  color: var(--color-red);
}

.form-optional {
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-field input,
.form-field textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-blue-accent);
  box-shadow: 0 0 0 3px rgba(61, 122, 184, 0.15);
}

.form-field textarea {
  resize: vertical;
  min-height: 100px;
}

.digital-form__note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.digital-form__note a {
  color: var(--color-red);
  font-weight: 500;
}

.digital-form__note a:hover {
  text-decoration: underline;
}

.file-upload {
  position: relative;
}

.file-upload__input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.file-upload__area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2rem 1.5rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  text-align: center;
  margin: 0;
}

.file-upload__area:hover,
.file-upload__area--drag {
  border-color: var(--color-blue-accent);
  background: rgba(61, 122, 184, 0.04);
}

.file-upload__area svg {
  width: 32px;
  height: 32px;
  color: var(--color-blue-accent);
}

.file-upload__label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-navy);
}

.file-upload__files {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.btn--full {
  width: 100%;
  margin-top: 0.5rem;
}

.digital-guide {
  position: sticky;
  top: 6.5rem;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: rgba(255, 255, 255, 0.85);
}

.digital-guide__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.digital-guide__steps {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
  counter-reset: guide;
}

.digital-guide__steps li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 0.9rem;
  line-height: 1.55;
  counter-increment: guide;
}

.digital-guide__steps li::before {
  content: counter(guide);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-blue-accent);
  color: var(--color-white);
  border-radius: 50%;
}

.digital-guide__subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.digital-guide__links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.digital-guide__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-blue-light);
  font-size: 0.9rem;
  font-weight: 500;
}

.digital-guide__links a::before {
  content: '↓';
  font-size: 0.8rem;
}

.digital-guide__links a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.digital-guide__formular-note {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.digital-guide__honorar {
  font-size: 0.9rem;
  opacity: 0.85;
}

.digital-guide__honorar strong {
  color: var(--color-blue-light);
}

/* Cal.com embed */
.cal-embed {
  width: 100%;
  max-width: 640px;
  margin: 0 auto 2rem;
  min-height: 520px;
}

.cal-embed__frame {
  width: 100%;
  height: 520px;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
}

.cal-embed__fallback {
  margin-top: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.cal-embed__fallback a {
  color: var(--color-blue-accent);
  font-weight: 500;
}

.form-field--hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Form response pages */
.response-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 7rem 0 4rem;
  background: var(--color-grey);
}

.response-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.response-page__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.response-page__icon svg {
  width: 32px;
  height: 32px;
}

.response-page__icon--success {
  background: rgba(61, 122, 184, 0.12);
  color: var(--color-blue-accent);
}

.response-page__icon--error {
  background: rgba(139, 41, 66, 0.1);
  color: var(--color-red);
}

.response-page__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-accent);
  margin-bottom: 0.5rem;
}

.response-page__title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.response-page__text {
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
  line-height: 1.65;
}

/* Steuerlexikon */
.lexikon-hero {
  padding: 8rem 0 3rem;
  background: var(--color-grey);
  text-align: center;
}

.lexikon-hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-blue-accent);
  margin-bottom: 0.5rem;
}

.lexikon-hero__title {
  font-size: clamp(2.5rem, 7vw, 4rem);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.lexikon-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin-bottom: 2rem;
}

.lexikon-search {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
}

.lexikon-search svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.lexikon-search input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 2.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.lexikon-search input:focus {
  outline: none;
  border-color: var(--color-blue-accent);
  box-shadow: 0 0 0 3px rgba(61, 122, 184, 0.15);
}

.lexikon-alpha {
  position: sticky;
  top: 72px;
  z-index: 50;
  background: rgba(244, 244, 244, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.lexikon-alpha--stuck {
  box-shadow: var(--shadow-sm);
}

.lexikon-alpha__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.75rem 0;
}

.lexikon-alpha__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-navy);
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.lexikon-alpha__link:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.lexikon-content {
  padding: 3rem 0 5rem;
  background: var(--color-navy);
}

.lexikon-results {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.lexikon-group {
  margin-bottom: 3rem;
  scroll-margin-top: 9.5rem;
}

.lexikon-group__letter {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-blue-light);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.lexikon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.lexikon-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  min-height: 100%;
  min-width: 0;
}

.lexikon-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(107, 163, 214, 0.4);
}

.lexikon-card__badge {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-blue-light);
  background: rgba(107, 163, 214, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.lexikon-card__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.35;
  overflow-wrap: break-word;
  hyphens: auto;
}

.lexikon-card__preview {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: break-word;
  hyphens: auto;
}

.lexikon-card__cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-blue-light);
  margin-top: 0.25rem;
}

.lexikon-empty {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  padding: 2rem 0;
}

.lexikon-article {
  padding: 7rem 0 4rem;
  background: var(--color-grey);
  min-height: 100vh;
}

.lexikon-article__inner {
  max-width: 760px;
}

.lexikon-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.lexikon-breadcrumb a {
  color: var(--color-blue-accent);
  font-weight: 500;
}

.lexikon-breadcrumb a:hover {
  text-decoration: underline;
}

.lexikon-article__card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.lexikon-article__badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-blue-accent);
  background: rgba(61, 122, 184, 0.1);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.lexikon-article__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.lexikon-article__body p {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.lexikon-article__body p:last-child {
  margin-bottom: 0;
}

.lexikon-article__body a.lexikon-inline-link {
  color: var(--color-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}

.lexikon-article__body a.lexikon-inline-link:hover {
  color: #6b1f32;
}

.lexikon-related {
  margin-bottom: 2rem;
}

.lexikon-related__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.lexikon-related__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lexikon-related__link {
  padding: 0.5rem 0.875rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--color-navy);
  transition: border-color var(--transition), color var(--transition);
}

.lexikon-related__link:hover {
  border-color: var(--color-blue-accent);
  color: var(--color-blue-accent);
}

.lexikon-article__back {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn--ghost-dark {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}

.btn--ghost-dark:hover {
  background: var(--color-white);
  border-color: var(--color-navy);
}

/* Legal pages */
.legal-page {
  padding: 6.5rem 0 4rem;
  background: var(--color-grey);
  min-height: 100vh;
}

.legal-page__inner {
  max-width: 760px;
}

.legal-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
}

.legal-page__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.legal-content {
  color: var(--color-text-muted);
  line-height: 1.75;
}

.legal-content__meta {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-navy);
  margin: 2rem 0 0.75rem;
}

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

.legal-content p,
.legal-content li {
  margin-bottom: 0.875rem;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: disc;
}

.legal-content ol {
  list-style: decimal;
}

.legal-content a {
  color: var(--color-blue-accent);
  font-weight: 500;
}

.legal-content a:hover {
  text-decoration: underline;
}

.legal-page__back {
  margin-top: 2rem;
}

/* Footer */
.footer {
  padding: 2rem 0;
  background: var(--color-grey);
  color: var(--color-navy);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__copy {
  font-size: 0.875rem;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
}

.footer__nav a {
  font-size: 0.875rem;
  color: var(--color-red);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: #6b1f32;
}

/* Chat widget */
.chat-widget {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 200;
}

.chat-widget__inner {
  position: relative;
}

.chat-widget__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.75rem;
  height: 3.75rem;
  border: none;
  border-radius: 999px;
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 8px 28px rgba(0, 26, 61, 0.28);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.chat-widget__toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 26, 61, 0.32);
  background: var(--color-navy-light);
}

.chat-widget__toggle--active {
  background: var(--color-blue-accent);
}

.chat-widget__icon {
  width: 1.5rem;
  height: 1.5rem;
}

.chat-widget__icon--close {
  display: none;
}

.chat-widget__toggle--active .chat-widget__icon--open {
  display: none;
}

.chat-widget__toggle--active .chat-widget__icon--close {
  display: block;
}

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 4.75rem;
  width: min(360px, calc(100vw - 3rem));
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 1.25rem;
}

.chat-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.chat-panel__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-blue-accent);
  margin-bottom: 0.25rem;
}

.chat-panel__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-navy);
  letter-spacing: -0.02em;
}

.chat-panel__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 999px;
  background: var(--color-grey);
  color: var(--color-navy);
  cursor: pointer;
  flex-shrink: 0;
}

.chat-panel__close svg {
  width: 1rem;
  height: 1rem;
}

.chat-panel__intro {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.chat-panel__form {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.chat-panel__form .form-field textarea {
  min-height: 88px;
}

.chat-panel__error {
  font-size: 0.8125rem;
  color: var(--color-red);
  line-height: 1.45;
}

.chat-panel__success {
  padding: 1rem 0 0.5rem;
  text-align: center;
}

.chat-panel__success-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.chat-panel__success-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Responsive */
@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .digital-form-card {
    padding: 1.5rem;
  }
}

@media (max-width: 900px) {
  .leistungen-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .services__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .digital__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .digital__visual {
    order: -1;
    max-width: 480px;
    margin: 0 auto;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .about__portrait {
    max-width: 240px;
    margin: 0 auto;
  }

  .about__credentials {
    justify-content: center;
  }

  .digital-page__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .digital-guide {
    position: static;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 72px;
  }

  html:has(.lexikon-page) {
    scroll-padding-top: 9rem;
  }

  .container {
    padding: 0 1rem;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-header__subtitle {
    font-size: 1rem;
  }

  .btn {
    min-height: 48px;
  }

  .btn--hero {
    display: flex;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .services__cta .btn,
  .digital__content > .btn {
    display: flex;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 151;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    z-index: 150;
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(4.5rem + env(safe-area-inset-top, 0px)) 1.5rem calc(2rem + env(safe-area-inset-bottom, 0px));
    transform: translateX(100%);
    opacity: 1;
    visibility: hidden;
    transition: transform 0.32s ease, visibility 0.32s;
    overflow-y: auto;
  }

  .nav--open {
    transform: translateX(0);
    visibility: visible;
  }

  .header--over-hero .nav .nav__link,
  .nav .nav__link {
    color: var(--color-text-muted);
  }

  .header--over-hero .nav .nav__link:hover,
  .header--over-hero .nav .nav__link--active,
  .nav .nav__link:hover,
  .nav .nav__link--active {
    color: var(--color-navy);
  }

  .header--over-hero .nav .nav__link--cta,
  .nav .nav__link--cta {
    background: var(--color-navy);
    color: var(--color-white) !important;
    border: 2px solid var(--color-navy);
  }

  .header--over-hero .nav .nav__link--cta:hover,
  .nav .nav__link--cta:hover {
    background: var(--color-navy-light);
    border-color: var(--color-navy-light);
  }

  .header--menu-open.header--over-hero .nav-toggle span,
  .nav-toggle--open span {
    background: var(--color-navy);
  }

  .nav__list {
    flex-direction: column;
    gap: 0.25rem;
    text-align: center;
    width: 100%;
    max-width: 320px;
  }

  .nav__link {
    font-size: 1.25rem;
    padding: 1rem 1.25rem;
    white-space: normal;
    line-height: 1.35;
    display: block;
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: 0.75rem;
  }

  .nav-toggle--open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle--open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle--open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .header__inner {
    height: 64px;
  }

  .logo__mark {
    font-size: 1.25rem;
  }

  .logo__text {
    font-size: 0.8125rem;
  }

  .hero {
    min-height: auto;
    padding: 5.5rem 0 3.5rem;
  }

  .hero__content {
    padding: 4rem 0 2rem;
  }

  .hero__title {
    margin-bottom: 1.5rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }

  .services,
  .digital,
  .about {
    padding: 4rem 0;
  }

  .contact {
    padding: 3rem 0 4rem;
  }

  .service-card,
  .leistung-card {
    padding: 1.75rem 1.5rem;
  }

  .digital__card-body {
    padding: 1.75rem 1.25rem;
  }

  .digital__upload {
    padding: 1.75rem 1rem;
  }

  .digital__note {
    padding: 1.25rem;
  }

  .digital__visual {
    order: 1;
  }

  .contact-form-card {
    padding: 1.5rem;
  }

  .contact-card {
    width: 100%;
    min-width: 0;
    padding: 1.5rem 1.25rem;
  }

  .contact__cards {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .leistungen-page {
    padding: 5.5rem 0 3rem;
  }

  .digital-hero {
    padding: 5.5rem 0 2rem;
  }

  .digital-page {
    padding-bottom: 3rem;
  }

  .digital-form-card {
    padding: 1.5rem;
  }

  .digital-guide {
    padding: 1.5rem;
  }

  .file-upload__area {
    padding: 1.5rem 1rem;
  }

  .form-field input,
  .form-field textarea,
  .lexikon-search input {
    font-size: 16px;
  }

  .lexikon-hero {
    padding: 5.5rem 0 2.5rem;
  }

  .lexikon-hero__subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }

  .lexikon-alpha {
    top: 64px;
  }

  .lexikon-alpha__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem 0.3rem;
    padding: 0.5rem 0;
  }

  .lexikon-alpha__link {
    width: 2.25rem;
    height: 2.25rem;
    min-width: 2.25rem;
    flex-shrink: 0;
    padding: 0;
    font-size: 0.8125rem;
  }

  .lexikon-content {
    padding: 2.5rem 0 4rem;
  }

  .lexikon-group {
    scroll-margin-top: 9rem;
  }

  .lexikon-grid {
    grid-template-columns: 1fr;
  }

  .lexikon-article {
    padding: 5.5rem 0 3rem;
  }

  .lexikon-article__card {
    padding: 1.75rem 1.25rem;
  }

  .lexikon-breadcrumb {
    font-size: 0.8125rem;
  }

  .lexikon-article__back {
    flex-direction: column;
  }

  .lexikon-article__back .btn {
    width: 100%;
  }

  .legal-card {
    padding: 1.75rem 1.25rem;
  }

  .legal-page {
    padding: 5.5rem 0 3rem;
  }

  .response-page {
    padding: 5.5rem 0 3rem;
    align-items: flex-start;
  }

  .response-card {
    padding: 2rem 1.5rem;
  }

  .response-page__title {
    font-size: 1.5rem;
  }

  .footer {
    padding-bottom: calc(2rem + 5rem + env(safe-area-inset-bottom, 0px));
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
  }

  .chat-widget {
    right: max(1rem, env(safe-area-inset-right, 0px));
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
  }

  .chat-panel {
    width: min(360px, calc(100vw - 2rem));
    right: 0;
    bottom: 5rem;
    max-height: calc(100dvh - 7rem - env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
  }
}

@media (max-width: 480px) {
  .section-header__title {
    font-size: 1.625rem;
  }

  .hero__title {
    font-size: 2.125rem;
  }

  .lexikon-hero__title {
    font-size: 2.25rem;
  }

  .digital-hero__title {
    font-size: 1.875rem;
  }

  .chat-widget__toggle {
    width: 3.5rem;
    height: 3.5rem;
  }

  .chat-panel {
    padding: 1rem;
  }

  .about__credentials li {
    width: 100%;
    text-align: center;
  }
}

@media (hover: none) {
  .service-card:hover,
  .leistung-card:hover,
  .lexikon-card:hover,
  .contact-card:hover,
  .btn--primary:hover,
  .btn--outline:hover,
  .btn--ghost:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  @media (max-width: 768px) {
    .nav {
      transform: none;
      transition: visibility 0.2s;
    }
  }
}