/* ========================================
     Local Fonts
  ======================================== */
@font-face {
  font-family: "Outfit";
  src: url("fonts/outfit-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("fonts/outfit-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("fonts/outfit-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Outfit";
  src: url("fonts/outfit-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Source Sans 3";
  src: url("fonts/source-sans-3-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* ========================================
     CSS Variables
  ======================================== */
:root {
  --color-black: #0a0a0a;
  --color-anthracite: #141414;
  --color-dark-grey: #1a1a1a;
  --color-mid-grey: #2a2a2a;
  --color-border: #333333;
  --color-text: #f5f5f5;
  --color-text-secondary: #c7c5c5;
  --color-text-muted: #aaaaaa;

  --font-headline: "Outfit", sans-serif;
  --font-body: "Source Sans 3", sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  --spacing-2xl: 12rem;

  --max-width: 1200px;
  --transition: 0.3s ease;

  /* MARKE MACHT Signal-Farbe */
  --color-mm-accent: #e8175d;
  --color-mm-accent-soft: #cc527a;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-sm);
  z-index: 10000;
  padding: 0.5rem 1rem;
  background: var(--color-text);
  color: var(--color-black);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: var(--spacing-sm);
}

::selection {
  background: var(--color-text);
  color: var(--color-black);
}

/* ========================================
     Typography
  ======================================== */
h1,
h2,
h3,
h4 {
  font-family: var(--font-headline);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h4 {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-md);
  color: var(--color-text);
}

h5 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  color: var(--color-text-secondary);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

ul {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  color: var(--color-text-secondary);
}

li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: var(--spacing-lg) 0;
}

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

a:hover {
  color: var(--color-text-secondary);
}

/* ========================================
     Layout
  ======================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--spacing-2xl) 0;
  }
}

/* ========================================
     Navigation
  ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: linear-gradient(
    to bottom,
    var(--color-black) 0%,
    transparent 100%
  );
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo-img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: none;
  list-style: none;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

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

/* Mobile Menu Toggle */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

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

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-black);
  z-index: 999;
  padding: var(--spacing-xl) var(--spacing-md);
}

.nav-mobile.active {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.nav-mobile a {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

/* ========================================
     Hero Section
  ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.hero-background::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.6) 0%,
    rgba(10, 10, 10, 0.3) 50%,
    rgba(10, 10, 10, 0.8) 100%
  );
  z-index: 1;
}

/* Abstract geometric shapes */
.hero-shape {
  position: absolute;
  background: linear-gradient(
    135deg,
    var(--color-mid-grey) 0%,
    var(--color-dark-grey) 100%
  );
  opacity: 0.15;
}

.hero-shape-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -200px;
  transform: rotate(45deg);
}

.hero-shape-2 {
  width: 300px;
  height: 800px;
  bottom: -200px;
  left: 10%;
  transform: rotate(-15deg);
}

.hero-shape-3 {
  width: 2px;
  height: 400px;
  top: 20%;
  right: 20%;
  background: var(--color-border);
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-text {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-text p {
  margin-bottom: var(--spacing-sm);
}

.hero-text p:last-child {
  margin-bottom: 0;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-meta {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-md);
  animation: fadeIn 1s ease 0.8s forwards;
  opacity: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-portrait {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 1px solid var(--color-text);
}

.hero-meta-text p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.hero-meta-text strong {
  color: var(--color-text-secondary);
  font-weight: 500;
}

@media (max-width: 767px) {
  .hero {
    align-items: flex-start;
    padding-top: 6rem;
    padding-bottom: var(--spacing-md);
  }

  .hero .container {
    display: flex;
    flex-direction: column;
  }

  .hero-text {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-meta {
    position: static;
    margin-top: var(--spacing-md);
  }
}

/* ========================================
     Buttons
  ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: 1px solid var(--color-text);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--color-text);
  transition: var(--transition);
  z-index: -1;
}

.btn:hover {
  color: var(--color-black);
}

.btn:hover::before {
  left: 0;
}

.btn-arrow {
  transition: var(--transition);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

.btn-arrow-down {
  line-height: 1;
  transition: var(--transition);
}

.btn--next:hover .btn-arrow-down {
  transform: translateY(3px);
}

.btn--mm {
  border-color: var(--color-mm-accent);
  color: var(--color-mm-accent);
}

.btn--mm::before {
  background: var(--color-mm-accent);
}

.btn--mm:hover {
  color: var(--color-text);
}

.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

/* ========================================
     Section Headers
  ======================================== */
.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-label {
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}

/* ========================================
     Haltung Section
  ======================================== */
.haltung {
  background: var(--color-anthracite);
  position: relative;
}

.haltung::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}

.haltung-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .haltung-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.haltung-item {
  display: flex;
  transition: var(--transition);
  overflow: hidden;
}

.haltung-image {
  width: 80px;
  min-width: 80px;
  overflow: hidden;
  margin-left: -1px;
}

.haltung-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  transition: var(--transition);
}

.haltung-item:hover .haltung-image img {
  opacity: 0.7;
}

.haltung-content {
  padding: var(--spacing-md);
}

.haltung-item h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.haltung-item p {
  font-size: 1rem;
  line-height: 1.8;
}

.haltung-cta {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.haltung-cta p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.haltung-cta .section-cta {
  margin-top: var(--spacing-sm);
}

/* ========================================
     Umsetzung Section
  ======================================== */
.umsetzung {
  background: var(--color-black);
}

.umsetzung-intro {
  max-width: 700px;
  margin-bottom: var(--spacing-xl);
}

.umsetzung-intro p {
  font-size: 1.25rem;
}

.umsetzung-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

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

.umsetzung-item {
  background: var(--color-dark-grey);
  padding: var(--spacing-lg);
  padding-bottom: 0;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.umsetzung-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-text-muted), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.umsetzung-item:hover::before {
  transform: scaleX(1);
}

.umsetzung-item:hover {
  background: var(--color-mid-grey);
}

.umsetzung-number {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-mid-grey);
  line-height: 1;
  margin-bottom: var(--spacing-md);
  transition: var(--transition);
}

.umsetzung-item:hover .umsetzung-number {
  color: var(--color-border);
}

.umsetzung-item h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.umsetzung-item p {
  font-size: 0.95rem;
  margin-bottom: 0;
  flex-grow: 1;
}

.umsetzung-image {
  width: calc(100% + var(--spacing-lg) * 2);
  margin-left: calc(var(--spacing-lg) * -1);
  margin-top: var(--spacing-md);
  height: 120px;
  overflow: hidden;
}

.umsetzung-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  transition: var(--transition);
}

.umsetzung-item:hover .umsetzung-image img {
  opacity: 0.8;
}

.umsetzung-note {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  border-left: 1px solid var(--color-border);
}

.umsetzung-note p {
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 0;
}

.umsetzung-cta {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ========================================
     Projekte Section
  ======================================== */
.projekte {
  background: var(--color-anthracite);
  position: relative;
}

.projekte::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}

.projekte-intro {
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
}

.projekte-intro p {
  font-size: 1.125rem;
}

.case-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.case-item {
  display: flex;
  flex-direction: column;
  background: var(--color-dark-grey);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  overflow: hidden;
}

.case-item > .case-image {
  margin-bottom: 0;
  height: 200px;
}

@media (min-width: 768px) {
  .case-item > .case-image {
    height: 280px;
  }
}

.case-item > .case-header {
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-sm);
}

.case-item > .case-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.case-item:hover {
  border-color: var(--color-text-muted);
}

.case-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 992px) {
  .case-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.case-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.case-header span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.case-block h4 {
  font-family: var(--font-headline);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.case-block p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0;
}

.case-image {
  width: 100%;
  background: var(--color-mid-grey);
  overflow: hidden;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: var(--transition);
}

.case-item:hover .case-image img {
  opacity: 0.9;
  transform: scale(1.02);
}

.projekte-cta {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.projekte-cta p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.projekte-cta .section-cta {
  margin-top: var(--spacing-sm);
}

/* ========================================
     Kontakt Section
  ======================================== */
.kontakt {
  background: var(--color-black);
  position: relative;
}

.kontakt::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
}

.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}

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

.kontakt-text {
  display: flex;
  flex-direction: column;
}

.kontakt-text p {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.kontakt-info {
  display: flex;
  flex-direction: column;
}

.kontakt-card {
  padding: var(--spacing-lg);
  background: var(--color-dark-grey);
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.kontakt-logo {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  height: 40px;
  width: auto;
  opacity: 0.8;
}

.kontakt-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.kontakt-details p {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-secondary);
}

.kontakt-details a {
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.kontakt-details a:hover {
  border-bottom-color: var(--color-text);
}

.kontakt-note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
}

.kontakt-portrait {
  width: 100%;
  flex: 1;
  overflow: hidden;
}

.kontakt-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

/* ========================================
     Footer
  ======================================== */
.footer {
  padding: var(--spacing-lg) 0;
  background: var(--color-anthracite);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.footer-copy {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================================
     Content Section (for impressum/datenschutz)
  ======================================== */
.content-section {
  background: var(--color-black);
  padding-top: calc(var(--spacing-xl) + 80px);
  min-height: 100vh;
}

.content-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.content-wrapper h1 {
  margin-bottom: var(--spacing-lg);
}

.content-wrapper h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.content-wrapper h3:first-of-type {
  margin-top: 0;
}

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