/* ==========================================
   aeronet GmbH Website - Main Styles
   ========================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #1e40af;
  --color-primary-dark: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-accent: #0ea5e9;
  
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  
  --color-white: #ffffff;
  --color-blue-50: #eff6ff;
  --color-blue-100: #dbeafe;
  --color-blue-200: #bfdbfe;
  --color-blue-400: #60a5fa;
  --color-blue-600: #2563eb;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-slate-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

ul {
  list-style: none;
}

/* ==========================================
   Utility Classes
   ========================================== */

.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ==========================================
   Header / Navigation
   ========================================== */

#main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-slate-200);
}

.nav-container {
  max-width: 1024px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo .logo {
  height: 48px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-700);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-slate-900);
  transition: all var(--transition-fast);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.mobile-menu-btn.active .hamburger {
  background-color: transparent;
}

.mobile-menu-btn.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-btn.active .hamburger::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* ==========================================
   Banner Section
   ========================================== */

.banner-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-slate-50) 0%, var(--color-blue-50) 50%, var(--color-slate-50) 100%);
  overflow: hidden;
}

.banner-background {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.banner-bg-element {
  position: absolute;
  border-radius: 50%;
  mix-blend-mode: multiply;
  filter: blur(80px);
  opacity: 0.2;
  animation: pulse 8s ease-in-out infinite;
}

.banner-bg-1 {
  top: 5rem;
  right: 0;
  width: 24rem;
  height: 24rem;
  background-color: var(--color-blue-200);
}

.banner-bg-2 {
  bottom: -5rem;
  left: 5rem;
  width: 24rem;
  height: 24rem;
  background-color: var(--color-blue-300);
  animation-delay: 2s;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.2;
  }
  50% {
    opacity: 0.3;
  }
}

.banner-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 64rem;
}

.banner-logo {
  margin-bottom: var(--spacing-xl);
}

.banner-logo-img {
  height: 6rem;
  margin: 0 auto;
}

.banner-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.banner-subtitle {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  margin-bottom: var(--spacing-2xl);
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
}

.banner-cta {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--color-blue-600);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.banner-cta:hover {
  background-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.scroll-indicator {
  margin-top: var(--spacing-3xl);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-slate-400);
  margin: 0 auto;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ==========================================
   Common Section Styles
   ========================================== */

section {
  padding: 5rem var(--spacing-lg);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-intro {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.75;
}

/* ==========================================
   About Section
   ========================================== */

.about-section {
  background-color: var(--color-white);
}

.strengths-box {
  background-color: var(--color-slate-50);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl) var(--spacing-3xl);
}

.strengths-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-xl);
}

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

.strength-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  font-size: 1.125rem;
  color: var(--color-slate-700);
}

.check-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-blue-600);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

/* ==========================================
   Services Section
   ========================================== */

.services-section {
  background-color: var(--color-slate-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1280px;
  margin: 0 auto;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
}

.service-icon {
  display: inline-flex;
  padding: 0.75rem;
  background-color: var(--color-blue-100);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.service-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--color-blue-600);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--color-slate-600);
  line-height: 1.75;
}

/* ==========================================
   Team Section
   ========================================== */

.team-section {
  background-color: var(--color-white);
}

/* Carousel */
.carousel-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-slate-100);
}

.carousel {
  display: flex;
  transition: transform var(--transition-slow);
}

.carousel-item {
  min-width: 100%;
  display: none;
}

.carousel-item.active {
  display: block;
}

.carousel-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Carousel Buttons */
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background-color var(--transition-fast);
}

.carousel-btn:hover {
  background-color: var(--color-white);
}

.carousel-btn svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-slate-900);
}

.carousel-btn-prev {
  left: 1rem;
}

.carousel-btn-next {
  right: 1rem;
}

/* Carousel Dots */
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--spacing-lg);
}

.carousel-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--color-slate-300);
  transition: all var(--transition-base);
  cursor: pointer;
}

.carousel-dot:hover {
  background-color: var(--color-slate-400);
}

.carousel-dot.active {
  background-color: var(--color-blue-600);
  width: 2rem;
  border-radius: 0.25rem;
}

/* Team Contact Section */
.team-contact {
  margin-top: var(--spacing-3xl);
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-blue-50) 0%, var(--color-slate-50) 100%);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.team-contact-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-slate-900);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.team-contact-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
  max-width: 600px;
  margin: 0 auto;
}

.team-contact-image {
  flex-shrink: 0;
}

.portrait-image {
  width: 180px;
  height: 220px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-slate-200);
}

.team-contact-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.team-contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-slate-700);
  font-size: 1rem;
  line-height: 1.6;
}

.contact-icon-small {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-blue-600);
  flex-shrink: 0;
}

.team-email-link {
  color: var(--color-blue-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

.team-email-link:hover {
  color: var(--color-blue-800);
  text-decoration: underline;
}

/* ==========================================
   Projects Section
   ========================================== */

.projects-section {
  background-color: var(--color-slate-50);
}

.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: box-shadow var(--transition-base);
  margin-bottom: var(--spacing-3xl);
}

.project-card:hover {
  box-shadow: var(--shadow-xl);
}

.project-content {
  padding: var(--spacing-2xl) var(--spacing-3xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-md);
}

.project-name-link {
  color: var(--color-slate-900);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.project-name-link:hover {
  opacity: 0.7;
}

.project-tagline {
  font-size: 1.25rem;
  color: var(--color-blue-600);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

.project-description {
  color: var(--color-slate-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.75;
}

.project-features {
  margin-top: var(--spacing-lg);
}

.features-title {
  font-weight: 600;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-md);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

.feature {
  display: flex;
  gap: 0.75rem;
}

.feature-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  background-color: var(--color-blue-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-blue-600);
}

.feature-text {
  flex: 1;
}

.feature-name {
  font-weight: 500;
  color: var(--color-slate-900);
  font-size: 0.875rem;
}

.feature-desc {
  font-size: 0.75rem;
  color: var(--color-slate-600);
  margin-top: 0.125rem;
}

.project-image {
  background: linear-gradient(135deg, var(--color-blue-100) 0%, var(--color-blue-50) 100%);
  padding: var(--spacing-2xl) var(--spacing-3xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-screenshot {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: transform var(--transition-base);
}

.project-screenshot:hover {
  transform: scale(1.02);
}

/* Image Modal for Expanded Screenshots */
.image-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl);
  cursor: pointer;
}

.image-modal.active {
  display: flex;
}

.image-modal-content {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: zoomIn 0.3s ease-out;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.image-modal-close {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  color: var(--color-white);
  font-size: 2.5rem;
  font-weight: 300;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.image-modal-close:hover {
  background: rgba(0, 0, 0, 0.8);
}

.project-screenshots-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  width: 100%;
}

.project-screenshots-grid .project-screenshot {
  width: 100%;
}

.project-placeholder {
  text-align: center;
}

.placeholder-icon {
  width: 3rem;
  height: 3rem;
  color: var(--color-blue-600);
  margin: 0 auto var(--spacing-md);
}

.project-placeholder p {
  color: var(--color-slate-600);
  font-weight: 500;
}

.future-projects {
  margin-top: var(--spacing-2xl);
  background-color: var(--color-slate-100);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl) var(--spacing-3xl);
  text-align: center;
}

.future-projects p {
  color: var(--color-slate-600);
  font-size: 1.125rem;
}

/* ==========================================
   Contact Section
   ========================================== */

.contact-section {
  background: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-slate-800) 100%);
  color: var(--color-white);
}

.contact-section-light {
  background-color: var(--color-white);
  color: var(--color-slate-900);
}

.contact-section-light .section-title {
  color: var(--color-slate-900);
}

.contact-section-light .section-intro {
  color: var(--color-slate-600);
}

.contact-section-light .contact-card {
  background-color: var(--color-slate-50);
  color: var(--color-slate-900);
}

.contact-section-light .contact-card:hover {
  background-color: var(--color-blue-50);
}

.contact-section-light .contact-title {
  color: var(--color-slate-900);
}

.contact-section-light .contact-text {
  color: var(--color-slate-600);
}

.contact-section-light .cta-text {
  color: var(--color-slate-600);
}

.contact-section .section-title {
  color: var(--color-white);
}

.contact-section .section-intro {
  color: var(--color-slate-300);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1024px;
  margin: 0 auto var(--spacing-3xl);
}

.contact-card {
  background-color: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  text-align: center;
  transition: background-color var(--transition-base);
}

.contact-card:hover {
  background-color: var(--color-slate-800);
}

.contact-icon {
  display: inline-flex;
  padding: 0.75rem;
  background-color: rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
}

.contact-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--color-blue-400);
}

.contact-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.contact-link {
  color: var(--color-blue-400);
  font-size: 1.125rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-blue-300);
}

.contact-text {
  color: var(--color-slate-300);
  font-size: 1.125rem;
}

.contact-cta {
  text-align: center;
  margin-top: var(--spacing-3xl);
}

.cta-text {
  color: var(--color-slate-300);
  margin-bottom: var(--spacing-lg);
}

.cta-button {
  display: inline-block;
  padding: 0.75rem 2rem;
  background-color: var(--color-blue-600);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: background-color var(--transition-base);
}

.cta-button:hover {
  background-color: var(--color-primary);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
  background: linear-gradient(135deg, var(--color-slate-50) 0%, var(--color-blue-50) 50%, var(--color-slate-50) 100%);
  color: var(--color-slate-700);
  padding: var(--spacing-xl) var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  height: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.footer-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-slate-600);
}

.footer-title {
  font-weight: 600;
  color: var(--color-slate-900);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-slate-600);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-blue-600);
}

.footer-bottom {
  border-top: 1px solid var(--color-slate-300);
  padding-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  text-align: center;
}

/* ==========================================
   Cookie Banner
   ========================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-slate-900);
  color: var(--color-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-xl);
  z-index: 1000;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.cookie-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.cookie-text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.5;
}

.cookie-buttons {
  display: flex;
  gap: 0.75rem;
  flex-shrink: 0;
}

.cookie-btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.cookie-btn-decline {
  border: 1px solid var(--color-slate-400);
  color: var(--color-white);
}

.cookie-btn-decline:hover {
  background-color: var(--color-slate-800);
}

.cookie-btn-accept {
  background-color: var(--color-blue-600);
  color: var(--color-white);
}

.cookie-btn-accept:hover {
  background-color: var(--color-primary);
}