/* ===== Header Styles ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  transition: all var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-gray-100);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  max-width: 1280px;
  margin: 0 auto;
}

.logo img {
  height: 40px;
  width: auto;
  transition: all var(--transition-normal);
}

@media (min-width: 768px) {
  .logo img {
    height: 48px;
  }
}

.logo-icon { display: block; }
.logo-wide { display: none; }

@media (min-width: 768px) {
  .logo-icon { display: none; }
  .logo-wide { display: block; }
}

/* ===== Navigation ===== */
.nav-menu {
  display: none;
  list-style: none;
  gap: var(--spacing-8);
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-gray-600);
  position: relative;
  padding: var(--spacing-2) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

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

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

/* ===== Language Selector ===== */
.lang-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--color-gray-100);
  padding: var(--spacing-1);
  border-radius: var(--radius-full);
}

.lang-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  background: none;
}

.lang-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lang-btn:hover,
.lang-btn.active {
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.lang-btn.active {
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

/* ===== Mobile Menu ===== */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn:hover {
  background: var(--color-gray-200);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
  color: var(--color-gray-700);
}

/* Note: The mobile menu in header.php uses Tailwind's 'hidden' class for toggle.
   These styles are for legacy/alternative mobile menu implementations. */
.mobile-menu-legacy {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.mobile-menu-legacy.open {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.mobile-menu-close svg {
  width: 24px;
  height: 24px;
}

.mobile-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-6);
  list-style: none;
}

.mobile-nav-link {
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--color-gray-700);
  transition: color var(--transition-fast);
}

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

.mobile-menu-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--color-gray-200);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: var(--bg-gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-content {
  text-align: center;
}

@media (min-width: 1024px) {
  .hero-content {
    text-align: left;
  }
}

.hero-title {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-6);
  line-height: 1.1;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: var(--font-3xl);
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--font-4xl);
  }
}

.hero-subtitle {
  font-size: var(--font-md);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-8);
  max-width: 500px;
}

@media (min-width: 1024px) {
  .hero-subtitle {
    font-size: var(--font-lg);
  }
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-4);
  justify-content: center;
}

@media (min-width: 1024px) {
  .hero-buttons {
    justify-content: flex-start;
  }
}

.hero-visual {
  display: none;
}

@media (min-width: 768px) {
  .hero-visual {
    display: block;
    position: relative;
  }
}

.hero-image {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

/* ===== Service Cards ===== */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-100);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.service-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-3);
}

.service-description {
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-6);
  font-size: var(--font-sm);
}

.service-price {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.price-value {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--color-gray-900);
}

.price-unit {
  font-size: var(--font-sm);
  color: var(--color-gray-500);
}

.service-features {
  list-style: none;
  margin-bottom: var(--spacing-6);
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
  font-size: var(--font-sm);
  color: var(--color-gray-600);
}

.service-features li svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== Contact Section ===== */
.contact-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-100);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

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

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.contact-label {
  font-size: var(--font-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-1);
}

.contact-value {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--color-gray-900);
}

.contact-value a {
  color: var(--color-gray-900);
  transition: color var(--transition-fast);
}

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

/* ===== Form Styles ===== */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-family: 'Montserrat', sans-serif;
  font-size: var(--font-base);
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

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

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: var(--spacing-4);
}

.footer-description {
  font-size: var(--font-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
}

.footer-title {
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-2);
}

.footer-links a {
  font-size: var(--font-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

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

.footer-contact {
  font-size: var(--font-sm);
  color: var(--color-gray-400);
}

.footer-contact p {
  margin-bottom: var(--spacing-2);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-gray-800);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
  text-align: center;
}

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

.footer-copyright {
  font-size: var(--font-sm);
  color: var(--color-gray-500);
}

/* ===== Sticky CTA Bar ===== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
  color: var(--color-white);
  padding: var(--spacing-4) var(--spacing-6);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  z-index: 90;
  border-top: 2px solid var(--color-primary);
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .sticky-cta-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.sticky-cta-text h4 {
  color: var(--color-white);
  font-size: var(--font-base);
  margin-bottom: var(--spacing-1);
}

.sticky-cta-text p {
  font-size: var(--font-sm);
  color: var(--color-gray-400);
  margin: 0;
}

.sticky-cta-buttons {
  display: flex;
  gap: var(--spacing-3);
}

/* ===== Scroll to Top ===== */
.scroll-top {
  position: fixed;
  bottom: 100px;
  right: var(--spacing-6);
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 80;
  box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.scroll-top:hover svg {
  color: var(--color-white);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

/* ===== Section Headers ===== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-12);
}

.section-title {
  font-size: var(--font-2xl);
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-4);
}

.section-subtitle {
  font-size: var(--font-md);
  color: var(--color-gray-600);
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-image {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.about-features {
  display: grid;
  gap: var(--spacing-6);
}

.about-feature {
  display: flex;
  gap: var(--spacing-4);
}

.about-feature-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-white);
}

.about-feature-title {
  font-size: var(--font-base);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--spacing-1);
}

.about-feature-desc {
  font-size: var(--font-sm);
  color: var(--color-gray-600);
  margin: 0;
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-6);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
  padding: var(--spacing-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: var(--font-2xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.stat-label {
  font-size: var(--font-sm);
  color: var(--color-gray-600);
}