:root {
  --primary-color: #0b5e90;
  --secondary-color: #2da1a5;
  --accent-color: #e5f4f8;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --white: #ffffff;
  --bg-light: #f8fbfd;
}

body {
  font-family: 'Inter', 'Roboto', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-light);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--primary-color);
}

/* Header & Nav */
.navbar {
  background-color: var(--white);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  padding: 15px 0;
  transition: all 0.3s ease;
}
.navbar-brand {
  font-weight: 800;
  color: var(--primary-color) !important;
  font-size: 1.5rem;
  letter-spacing: -0.5px;
}
.navbar-brand span {
  color: var(--secondary-color);
}
.nav-link {
  font-weight: 500;
  color: var(--text-dark) !important;
  transition: color 0.3s ease;
}
.nav-link:hover {
  color: var(--secondary-color) !important;
}

.img-logo{
  width: auto;
  height: 50px;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--accent-color) 0%, rgba(255,255,255,1) 100%);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-subtitle {
  font-weight: 600;
  color: var(--secondary-color);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 15px;
  display: block;
}
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 25px;
  line-height: 1.2;
}
.hero-text {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 35px;
}
.btn-primary-custom {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(11, 94, 144, 0.2);
}
.btn-primary-custom:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  color: white;
  box-shadow: 0 15px 25px rgba(45, 161, 165, 0.3);
}
.hero-image {
  position: relative;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  overflow: hidden;
  transition: transform 0.5s ease;
}
.hero-image:hover {
  transform: scale(1.02);
}

/* Sections */
.section-padding {
  padding: 80px 0;
}
.section-title {
  font-size: 2.5rem;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 4px;
  background-color: var(--secondary-color);
  bottom: -10px;
  left: 0;
  border-radius: 2px;
}
.section-title.text-center::after {
  left: 50%;
  transform: translateX(-50%);
}
.lead-text {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 40px;
}

/* Cards & Features */
.feature-card {
  background: var(--white);
  border-radius: 15px;
  padding: 40px 30px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  height: 100%;
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.02);
  border-top: 4px solid white;
}
.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  border-top: 4px solid var(--secondary-color);
}
.feature-icon {
  width: 60px;
  height: 60px;
  background-color: var(--accent-color);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.feature-card:hover .feature-icon {
  background-color: var(--primary-color);
  color: var(--white);
}

/* Image blocks */
.content-image {
  border-radius: 15px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
}

/* Surgeon Profile */
.surgeon-profile {
  background-color: var(--accent-color);
  border-radius: 20px;
  overflow: hidden;
}
.surgeon-meta {
  padding: 50px;
}
.quote-box {
  background: var(--white);
  padding: 30px;
  border-radius: 10px;
  border-left: 5px solid var(--secondary-color);
  margin-top: 30px;
  font-style: italic;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

/* FAQ */
.accordion-item {
  border: none;
  margin-bottom: 15px;
  border-radius: 10px !important;
  box-shadow: 0 5px 15px rgba(0,0,0,0.02);
  overflow: hidden;
}
.accordion-button {
  font-weight: 600;
  color: var(--text-dark);
  background-color: var(--white);
  padding: 20px;
}
.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: var(--accent-color);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
}

/* Footer */
.footer {
  background-color: var(--primary-color);
  color: var(--white);
  padding: 60px 0 20px;
}
.footer-text {
  color: rgba(255,255,255,0.7);
}


/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px; /* or right: 30px */
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 35px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}
.floating-whatsapp:hover {
    background-color: #128C7E;
    color: white;
    transform: scale(1.1);
    box-shadow: 2px 2px 15px rgba(37, 211, 102, 0.4);
}