/* ========================================
   CSS Variables & Global Styles
   ======================================== */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #e74c3c;
  --accent-color: #34495e;
  --light-bg: #ecf0f1;
  --white: #ffffff;
  --text-color: #2c3e50;
  --text-light: #7f8c8d;
  --border-color: #bdc3c7;
  --success-color: #27ae60;

  --font-family-serif: 'Playfair Display', serif;
  --font-family-sans: 'Lato', sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --border-radius: 8px;
  --transition-speed: 0.3s;
  --nav-height: 4rem;
  --scroll-anchor-gap: 0.75rem;
}

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

html {
  scroll-behavior: smooth;
}

/* Offset = navbar height minus section top padding, so h2 sits below the nav */
section[id],
#home {
  scroll-margin-top: calc(var(--nav-height) - var(--spacing-2xl) + var(--scroll-anchor-gap));
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.skip-link:focus {
  left: var(--spacing-md);
  outline: none;
}

body {
  font-family: var(--font-family-sans);
  color: var(--text-color);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-family-serif);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

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

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

a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation Bar
   ======================================== */
.navbar {
  background-color: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition-speed) ease;
}

.navbar.navbar--scrolled {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo a {
  font-family: var(--font-family-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  transition: color var(--transition-speed) ease;
}

.nav-link:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  margin: 5px 0;
  transition: 0.3s;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  padding: var(--spacing-2xl) var(--spacing-md);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 500px;
}

.hero-image {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero-content {
  padding: var(--spacing-lg);
}

.hero-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

/* ========================================
   CTA Buttons
   ======================================== */
.cta-button {
  display: inline-block;
  background-color: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  text-decoration: none;
}

.cta-button:hover {
  background-color: #c0392b;
  transform: translateY(-2px);
  color: var(--white);
  box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
  text-decoration: none;
}

/* ========================================
   About Section
   ======================================== */
.about {
  padding: var(--spacing-2xl) var(--spacing-md);
  background-color: var(--light-bg);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.about-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  min-width: 0;
  overflow-wrap: break-word;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(231, 76, 60, 0.1);
  color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  flex-shrink: 0;
}

.about-card-icon svg {
  display: block;
}

.about-card-icon .icon,
.about-card-icon .icon * {
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

.about-card h3 {
  margin-bottom: var(--spacing-sm);
  text-align: center;
  width: 100%;
}

.about-card>p {
  margin-bottom: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  text-align: left;
  width: 100%;
}

.about-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.65;
}

.about-card li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.15rem;
  position: relative;
}

.about-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-size: 0.8rem;
  font-weight: bold;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--white);
}

.contact h2 {
  color: var(--white);
}

.contact-intro {
  color: #ecf0f1;
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.contact-map-wrapper h3,
.contact-info-wrapper h3 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.contact-map {
  width: 100%;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.contact-map iframe {
  width: 100%;
  min-height: 360px;
  height: 100%;
  border: 0;
  display: block;
}

.contact-details {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
}

.contact-details p {
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.address-block {
  margin-bottom: var(--spacing-sm);
}

.address-lines {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-top: 0.25rem;
}

.contact-details a {
  color: #ecf0f1;
  text-decoration: none;
}

.contact-details a:hover {
  text-decoration: underline;
}

.contact-image {
  display: none;
}

.contact-photo {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}


/* ========================================
   Cooperation FAQ Section
   ======================================== */
.cooperation-faq {
  padding: var(--spacing-2xl) var(--spacing-md);
  background-color: var(--white);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.faq-item {
  background-color: var(--light-bg);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--secondary-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-speed) ease;
  overflow: hidden;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.faq-toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.faq-question {
  display: block;
  cursor: pointer;
  color: var(--primary-color);
  font-weight: 600;
  padding: var(--spacing-lg);
  padding-right: calc(var(--spacing-lg) + 28px);
  position: relative;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--primary-color);
  transition: transform var(--transition-speed) ease;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.faq-answer > * {
  color: var(--text-light);
  margin-bottom: 0;
  overflow: hidden;
  padding: 0 var(--spacing-lg);
  transition: padding-bottom 0.35s ease;
}

.faq-answer p {
  color: var(--text-light);
  margin-bottom: 0;
  overflow: hidden;
  padding: 0 var(--spacing-lg);
  transition: padding-bottom 0.35s ease;
}

.faq-answer p + p {
  margin-top: var(--spacing-xs);
}

.faq-answer ul {
  list-style: none;
  padding: 0 var(--spacing-lg);
  margin: var(--spacing-xs) 0 0;
}

.faq-toggle:checked ~ .faq-answer {
  grid-template-rows: 1fr;
}

.faq-toggle:checked ~ .faq-answer p {
  padding-bottom: var(--spacing-xs);
}

.faq-toggle:checked + .faq-question::after {
  content: "−";
}

.faq-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 0.95rem;
}

.faq-content p {
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

.faq-content p:first-child {
  margin-top: 0;
}

/* ========================================
   Scope of Cooperation Section
   ======================================== */
.scope-of-cooperation {
  padding: var(--spacing-2xl) var(--spacing-md);
  background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.scope-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  align-items: center;
}

.scope-image {
  display: flex;
  justify-content: center;
}

.scope-photo {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.scope-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.scope-list ul {
  list-style: none;
  padding: 0;
}

.scope-list li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  color: var(--text-color);
  font-size: 1.05rem;
  line-height: 1.8;
}

.scope-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 1.2rem;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
  padding: var(--spacing-2xl) var(--spacing-md);
  background-color: var(--white);
}

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

.testimonial-card {
  background-color: var(--light-bg);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border-top: 4px solid var(--secondary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all var(--transition-speed) ease;
}

.testimonial-card.featured {
  background-color: var(--accent-color);
  color: var(--white);
}

.testimonial-card.featured .testimonial-author {
  color: #bdc3c7;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.stars {
  font-size: 1.3rem;
  color: #f39c12;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  color: inherit;
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.testimonial-author {
  font-weight: 600;
  color: var(--secondary-color);
  font-size: 0.95rem;
}

.testimonial-card.featured .testimonial-author {
  color: #ecf0f1;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-md);
}

.footer p {
  color: inherit;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-section a {
  color: #ecf0f1;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.footer-section a:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: #bdc3c7;
}

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

.footer-bottom a {
  color: #ecf0f1;
  text-decoration: underline;
}

.footer-bottom a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (min-width: 768px) {
  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .hero {
    grid-template-columns: 1fr 1fr;
    padding: var(--spacing-2xl);
    min-height: 600px;
    align-items: start;
  }

  .hero-image {
    max-width: 460px;
    order: -1;
    justify-self: end;
  }

  .hero-content {
    align-self: start;
    padding-top: calc(var(--spacing-xl) + 0.5rem);
  }

  .nav-menu {
    gap: var(--spacing-lg);
  }

  .contact-content {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .contact-map-wrapper,
  .contact-info-wrapper {
    display: flex;
    flex-direction: column;
  }

  .contact-map {
    flex: 1;
  }

  .contact-map iframe {
    min-height: 420px;
  }

  .contact-details {
    flex: 1;
    margin-bottom: 0;
  }

  .about-content {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-lg);
  }

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

  .scope-content {
    grid-template-columns: 1fr 1fr;
  }

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .nav-menu {
    gap: var(--spacing-sm);
    font-size: 0.875rem;
  }
}

@media (max-width: 767px) {
    body.menu-open .floating-cta {
      display: none !important;
    }
  .contact-map iframe {
    min-height: 300px;
  }

  /* Reduce left and right padding on mobile screens */
  .container,
  .hero,
  .about,
  .contact,
  .cooperation-faq,
  .scope-of-cooperation,
  .testimonials,
  .footer {
    padding-left: var(--spacing-xs);
    padding-right: var(--spacing-xs);
  }

  /* Reduce FAQ item padding on mobile */
  .faq-answer,
  .faq-content {
    padding-left: 0.25rem !important;
    padding-right: 0.25rem !important;
  }

  .scope-image,
  .contact-photo-default,
  .hero-image {
    display: none;
  }

  .contact-image {
    display: flex;
    justify-content: center;
  }

  .contact-photo-mobile-hero {
    display: block;
  }

  .hero-content {
    order: 1;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--light-bg);
  }

  .hamburger {
    display: flex;
    width: 25px;
    height: 21px;
    position: relative;
  }

  .hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    position: absolute;
    left: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
  }

  .hamburger span:nth-child(1) {
    top: 0;
  }

  .hamburger span:nth-child(2) {
    top: 9px;
  }

  .hamburger span:nth-child(3) {
    top: 18px;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

@media (min-width: 1024px) {
  .hero {
    gap: var(--spacing-2xl);
    padding-block: var(--spacing-2xl);
    padding-inline: var(--spacing-md);
  }

  .hero-image {
    max-width: 420px;
  }

  .hero-content {
    padding-top: calc(var(--spacing-xl) + 1rem);
  }

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

  .scope-content {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .scope-image {
    order: -1;
  }

  .footer-content {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
  }
}

@media (min-width: 1100px) {
  .about-content {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--spacing-md);
  }

  .about-card {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* ========================================
   Accessibility & Print Styles
   ======================================== */
@media print {

  .navbar,
  .footer,
  .cta-button,
  .hamburger {
    display: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

/* FAQ Content List Styling */
.faq-content ul {
  list-style: none;
}

.faq-content li {
  padding: var(--spacing-xs) 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-light);
}

.faq-content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--secondary-color);
  font-weight: bold;
  font-size: 0.95rem;
}

.faq-content p {
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

.faq-content p:first-child {
  margin-top: 0;
}
.floating-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-speed) ease;
  font-size: 0.9rem;
  padding: var(--spacing-xs) var(--spacing-md);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
}

.floating-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
}

.floating-cta.visible {
  opacity: 1;
  transform: scale(1);
}