:root {
  --primary: #2c3e50;
  --secondary: #e74c3c;
  --accent: #3498db;
  --light: #ecf0f1;
  --dark: #2c3e50;
  --text: #333;
  --white: #ffffff;
  --gray: #95a5a6;
  --header-height: 90px;
  --header-shrink-height: 70px;
  --section-spacing: 1rem;
  --container-padding: 1rem;
  --border-radius: 8px;
  --transition: all 0.3s ease;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f9f9f9;
  color: var(--text);
  line-height: 1.6;
  padding-top: var(--header-height);
}

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

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

/* Header Styles */
header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: fixed;
  width: 100%;
  height: auto;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
  background: linear-gradient(
    to right,
    var(--white) 85%,
    rgba(255, 255, 255, 0.95)
  );
  backdrop-filter: blur(8px);
}

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

.header-container {
  max-width: 1200px;
  margin: 0 20px;
  padding: 0 var(--container-padding);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
  transition: var(--transition);
}

header.scrolled nav {
  height: var(--header-shrink-height);
}

.logo-container {
  display: flex;
  align-items: center;
  text-decoration: none;
  margin-left: 10px;
  margin-right: 10px;
  transition: var(--transition);
}

.logo {
  height: 60px;
  width: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 10px;

  transition: var(--transition);
}

header.scrolled .logo {
  height: 45px;
  width: 45px;
}

.logo-text .main {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

header.scrolled .logo-text .main {
  font-size: 1rem;
}

.logo-text-footer {
  color: var(--white);
  font-weight: 700;
  font-size: 1.4rem;
}

.nav-container {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 25px;
}

.nav-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--secondary);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary);
  transition: var(--transition);
}

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

.header-cta {
  display: flex;
  align-content: center;
  gap: 1rem;
}

/* Language Switcher */
.language-switcher {
  display: flex;
  gap: 0.5rem;
  margin: 0.5rem;
}

.lang-btn {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.7rem;
  transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--primary);
  color: var(--white);
}

.mobile-language-switcher {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mobile-lang-btn {
  background: transparent;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.mobile-lang-btn.active,
.mobile-lang-btn:hover {
  background: var(--white);
  color: var(--primary);
}

.whatsapp-btn,
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  border: 2px solid transparent;
}

.whatsapp-btn {
  background-color: #25d366;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn i {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}

.whatsapp-btn:hover {
  background-color: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(18, 140, 126, 0.4);
}

.cta-button {
  background-color: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

.cta-button:hover {
  background-color: transparent;
  color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
}

/* Mobile Menu */
.hamburger {
  display: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

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

.mobile-menu {
  color: var(--primary);
  top: var(--header-height);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  position: fixed;
  top: 0;
  right: -100%;
  width: 60%;
  max-width: 250px;
  max-height: calc(100vh - var(--header-height));
  background: rgba(44, 62, 80, 0.2); /* --primary with opacity */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: right 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  padding: 60px 20px 25px;
  overflow-y: auto;
  border-left: 1px solid rgba(0, 0, 0, 0.05);
  height: auto;
}

.mobile-menu.active {
  right: 0;
}

.mobile-nav-links {
  list-style: none;
  margin-bottom: 2rem;
}

.mobile-nav-links li {
  margin-bottom: 0.5rem;
}

.mobile-nav-links a {
  color: var(--white);
  text-decoration: none;
  font-weight: 600;
  display: block;
  font-size: 1rem;
  padding: 0.6rem;
  margin: 0.3rem 0;
  border-left: 3px solid transparent;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--secondary);
  transform: translateX(5px);
}
.mobile-nav-links a:hover {
  border-left-color: var(--secondary);
  transform: none;
  padding-left: 1rem;
}
.mobile-contact-options {
  margin-bottom: 1.5rem;
  text-align: center;
}

.mobile-cta {
  display: block;
  background-color: var(--secondary);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  text-decoration: none;
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
  border: 2px solid var(--secondary);
}

.mobile-cta:hover {
  background-color: transparent;
  color: var(--secondary);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Hero Section */
.hero {
 background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url("https://astrodakservice.nl/hero.webp");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--white);
  margin-bottom: var(--section-spacing);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: inline-block; /
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
  font-weight: 700;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.divider {
  width: 100%;  */
  height: 3px;
  background-color: var(--secondary);
  margin: 2rem auto;
}

.btn {
  display: inline-block;
  background-color: var(--secondary);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid var(--secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0.5rem;
  box-shadow: var(--shadow);
}

.btn:hover {
  background-color: transparent;
  color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--white);
  color: var(--white);
}

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

/* Section Titles */
.section-title {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  color: var(--dark);
  position: relative;
  font-weight: 700;
  display: inline-block; /* يجعل العرض يتناسب مع طول النص */
  left: 50%;
  transform: translateX(-50%); /* يوسّط العنصر أفقيًا */
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%; /* سيكون بنفس عرض النص */
  height: 4px;
  background-color: var(--secondary);
  border-radius: 2px;
}

/* Services Section */
.services {
  background-color: var(--white);
  padding: 2rem 0;
  margin-bottom: var(--section-spacing);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.service-card {
  background-color: var(--light);
  padding: 2rem 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  border-bottom: 4px solid transparent;
  box-shadow: var(--shadow);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--secondary);
}

.service-card i {
  font-size: 3.5rem;
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
  font-weight: 600;
}

.service-card p {
  color: var(--text);
  line-height: 1.6;
}

/* About Section */
.about {
  background-color: var(--light);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 2rem;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.about-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  
}

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image:hover img {
  transform: scale(1.05);
}

/* Projects Section */
.projects {
  background-color: var(--white);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.project-filter {
  text-align: center;
  margin-bottom: 3rem;
}

.project-filter select {
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  border: 2px solid var(--secondary);
  background-color: var(--white);
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}

.project-filter select:hover {
  box-shadow: var(--shadow);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 300px;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.project-card:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  padding: 2rem;
  color: var(--white);
}

.project-overlay h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

/* Process Section */
.process {
  background-color: var(--white);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.step {
  text-align: center;
  padding: 2rem;
  background-color: var(--light);
  border-radius: var(--border-radius);
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  background-color: var(--secondary);
  color: var(--white);
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  font-weight: bold;
  font-size: 1.2rem;
}

.step h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.step p {
  color: var(--text);
  line-height: 1.6;
}

/* Why Us Section */
.why-us {
  background-color: var(--light);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.why-us-content {
  margin-top: 2rem;
}

.why-us-text h3 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

.why-us-text p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

.why-us-text ul {
  list-style: none;
  margin: 2rem 0;
}

.why-us-text li {
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  font-size: 1.1rem;
}

.why-us-text li i {
  color: var(--secondary);
  margin-right: 1rem;
  margin-top: 0.2rem;
  font-size: 1.2rem;
}

.why-us-conclusion {
  margin-top: 1.5rem;
  font-weight: bold;
  font-style: italic;
  text-align: center;
  color: var(--dark);
}

/* Reviews Section */
.reviews {
  background-color: var(--light);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.section-subtitle {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text);
  font-size: 1.2rem;
}

.reviews-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.review-card {
  background: var(--white);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.review-header {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: bold;
  font-size: 1.2rem;
  margin-right: 1rem;
}

.review-info h4 {
  margin: 0;
  color: var(--primary);
  font-size: 1.1rem;
}

.review-info p {
  margin: 0;
  color: var(--text);
  font-size: 0.9rem;
}

.review-stars {
  color: #ffd700;
  margin: 0.5rem 0;
  font-size: 1.1rem;
}

.review-text {
  color: var(--text);
  line-height: 1.6;
  font-style: italic;
  position: relative;
  padding-left: 1.5rem;
}

.review-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--secondary);
  opacity: 0.2;
  position: absolute;
  left: -0.5rem;
  top: -1rem;
}

.review-date {
  display: block;
  text-align: right;
  font-size: 0.8rem;
  color: var(--gray);
  margin-top: 1rem;
}

.review-form-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 30px;
  background: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.review-form-title {
  text-align: center;
  margin-bottom: 30px;
  color: #333;
}

.review-form .form-group {
  margin-bottom: 20px;
}

.review-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.review-form input[type="text"],
.review-form textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

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

.rating-stars {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
}

.rating-stars input {
  display: none;
}

.rating-stars label {
  color: #ddd;
  font-size: 24px;
  cursor: pointer;
  padding: 0 5px;
}

.rating-stars input:checked ~ label,
.rating-stars input:hover ~ label,
.rating-stars label:hover,
.rating-stars label:hover ~ label {
  color: #ffc107;
}

.rating-stars input:checked + label {
  color: #ffc107;
}

/* Contact Section */
.contact {
  background-color: var(--light);
  padding: 4rem 0;
  margin-bottom: var(--section-spacing);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info,
.contact-form {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.contact-info h3,
.contact-form h3 {
  color: var(--primary);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--secondary);
  font-size: 1.5rem;
}

.contact-info p {
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  font-size: 1.1rem;
}

.contact-info i {
  margin-right: 1rem;
  color: var(--secondary);
  width: 20px;
  text-align: center;
}

.contact-info a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

.contact-info a:hover {
  color: var(--secondary);
}

.map-responsive {
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  height: 0;
  margin: 2rem 0;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.map-responsive iframe {
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  position: absolute;
  border-radius: var(--border-radius);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid #ddd;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group textarea {
  height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
  font-size: 1.3rem;
  display: inline-block; /* أهم تغيير */
}

.footer-column h3::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%; /* سيأخذ نفس عرض النص */
  height: 2px;
  background-color: var(--secondary);
}

.footer-column p,
.footer-column a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.8rem;
  display: block;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.6;
}

.footer-column a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-column i {
  margin-right: 0.8rem;
  color: var(--secondary);
  width: 20px;
  text-align: center;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray);
  color: var(--white);
  border-radius: 50%;
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--dark);
  color: var(--secondary);
  transform: translateY(-3px);
}

.location-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.location-item {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  transition: var(--transition);
}

.location-icon {
  color: var(--secondary);
  margin-right: 0.5rem;
  font-size: 0.9rem;
}

.location-item:hover span {
  color: var(--white);
  padding-left: 3px;
}

.footer-certifications-fullwidth {
  width: 100%;
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 2rem;
}

.certifications-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.certification-logo {
  height: 80px;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%);
  transition: var(--transition);
  border-radius: var(--border-radius);
  padding: 0.5rem;
  background-color: rgba(255, 255, 255, 0.1);
}

.certification-logo:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
  background-color: rgba(255, 255, 255, 0.2);
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: var(--white);
  border-radius: 50%;
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
  position: relative;
  transition: var(--transition);
}

.whatsapp-float i {
  font-size: 28px;
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background-color: var(--dark);
  color: var(--white);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.whatsapp-tooltip::before {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 5px solid var(--dark);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  right: 80px;
}

.whatsapp-float:hover a {
  background-color: #128c7e;
  transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    padding: 0 2rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certifications-container {
    justify-content: center;
  }
}

@media (max-width: 992px) {
  .nav-links,
  .header-cta .language-switcher,
  .header-cta .whatsapp-btn,
  .header-cta .cta-button {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
    --section-spacing: 0.75rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .reviews-container {
    grid-template-columns: 1fr;
  }

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

  .certifications-container {
    grid-template-columns: repeat(2, 1fr);
  }

  .btn {
    display: block;
    margin: 0.5rem auto;
    max-width: 250px;
  }
}

@media (max-width: 576px) {
  :root {
    --container-padding: 1rem;
    --section-spacing: 0.5rem;
  }

  .header-container {
    padding: 0 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }

  .whatsapp-float a {
    width: 50px;
    height: 50px;
  }

  .whatsapp-float i {
    font-size: 24px;
  }

  .whatsapp-tooltip {
    display: none;
  }

  .certifications-container {
    grid-template-columns: 1fr;
  }

  .certification-logo {
    height: 60px;
  }
}

@media (max-width: 480px) {
  .mobile-menu {
    width: 60%;
    right: -60%;
  }

  .mobile-menu.active {
    right: 0;
  }
}

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

.service-card,
.project-card,
.review-card {
  animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .whatsapp-float,
  .mobile-menu,
  .hamburger {
    display: none !important;
  }
}