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

:root {
  --primary-color: #00d4ff;
  --dark-color: #1a1a1a;
  --white-color: #ffffff;
  --light-color: #f8fafc;
  --text-color: #334155;
  --border-color: #e2e8f0;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

html {
  scroll-behavior: smooth;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 212, 255, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
}

.logo-image {
  height: 45px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary-color);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
  background: url("images/hero-bg.jpg") center/cover no-repeat fixed;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,144C960,149,1056,139,1152,128C1248,117,1344,107,1392,101.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>')
    no-repeat bottom;
  background-size: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.4) 0%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.highlight {
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: inline-block;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  font-weight: 700;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: #00bcd4;
}

.btn-secondary {
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid var(--primary-color);
  color: white;
}

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

.btn-small {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
}

.btn-block {
  display: block;
  width: 100%;
}

.hero-stats {
  display: flex;
  gap: 4rem;
  justify-content: center;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
  animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 1s ease-out 0.6s both;
}

/* Section Styles */
section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-color);
  opacity: 0.8;
}

/* About Section */
.about {
  background: var(--light-color);
}

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

.about-card {
  background: white;
  border-radius: 15px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.about-card-image {
  height: 200px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.about-card-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 212, 255, 0.1),
    rgba(0, 188, 212, 0.2)
  );
}

.about-card-content {
  padding: 2rem;
  text-align: center;
}

.about-card h3 {
  font-size: 1.5rem;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

/* Injuries Section */
.injuries {
  background: white;
}

.category-tabs {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.8rem 1.5rem;
  border: 2px solid var(--border-color);
  background: white;
  color: var(--text-color);
  border-radius: 50px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

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

.injury-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.injury-card {
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 15px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

.injury-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.injury-card h3 {
  color: var(--dark-color);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.injury-card .injury-category {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  background: var(--light-color);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

/* Programs Section */
.programs {
  background: var(--light-color);
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.program-card {
  background: white;
  border-radius: 15px;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.program-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--primary-color);
}

.program-image {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.program-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 212, 255, 0.1),
    rgba(26, 26, 26, 0.3)
  );
}

.program-content {
  padding: 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.program-icon {
  font-size: 3rem;
  margin: 1rem auto;
  display: block;
}

.program-card h3 {
  font-size: 1.5rem;
  color: var(--dark-color);
  margin-bottom: 0.8rem;
}

.program-card p {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Features Section */
.features {
  background: white;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: scale(1.05);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  color: var(--dark-color);
  margin-bottom: 1rem;
}

/* Contact Section */
.contact {
  background: linear-gradient(
      135deg,
      rgba(0, 0, 0, 0.75) 0%,
      rgba(0, 0, 0, 0.85) 100%
    ),
    url("images/physical-therapy.jpg") center/cover no-repeat;
  color: white;
  position: relative;
}

.contact .section-title,
.contact .section-subtitle {
  color: white;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.contact-info h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.benefits-list {
  list-style: none;
}

.benefits-list li {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  padding-left: 0.5rem;
}

.contact-form-container {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
}

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

.footer .logo-text {
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  margin-top: 1rem;
  opacity: 0.8;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0.8;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.modal-content {
  background-color: white;
  margin: 5% auto;
  padding: 2rem;
  border-radius: 20px;
  width: 90%;
  max-width: 800px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close-modal {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 2rem;
  font-weight: bold;
  color: var(--text-color);
  cursor: pointer;
  transition: color 0.3s ease;
}

.close-modal:hover {
  color: var(--primary-color);
}

.modal h2 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.modal h3 {
  color: var(--dark-color);
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.modal-section {
  margin-bottom: 2rem;
}

.modal-section h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.modal-section ul {
  list-style-position: inside;
  color: var(--text-color);
}

.modal-section li {
  margin-bottom: 0.5rem;
}

/* Responsive Design */
@media (max-width: 992px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow);
    padding: 2rem 0;
  }

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

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

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons .btn {
    width: 100%;
    text-align: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }

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

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

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

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

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

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

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

  .modal-content {
    width: 95%;
    padding: 1.5rem;
    margin: 10% auto;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

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

  .btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: #00bcd4;
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
}

.back-to-top svg {
  width: 24px;
  height: 24px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light-color);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #00bcd4;
}