/* ========================================
   BREAST CANCER THEME COLORS (PINK & NAVY)
======================================== */
:root {
  --primary: #e9407c;     /* Soft pink - breast cancer awareness */
  --secondary: #003366;   /* Navy blue - trust & professionalism */
  --light: #fff5f7;       /* Light pink background */
  --white: #ffffff;
  --gray: #6c757d;
  --dark: #212529;
}

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

body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.7;
  color: var(--dark);
  background-color: var(--white);
}

h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { 
  font-size: 2.2rem; 
  border-bottom: 3px solid var(--primary); 
  display: inline-block; 
  padding-bottom: 8px; 
  margin-bottom: 1.5rem; 
  color: var(--primary);
}
h3 { font-size: 1.5rem; color: var(--secondary); }

p { margin-bottom: 1rem; }

a {
  text-decoration: none;
  color: var(--primary);
  transition: color 0.3s;
}

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

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  cursor: pointer;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #d02a67;
}

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

.btn-secondary:hover {
  background-color: rgba(233, 64, 124, 0.1);
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

section {
  padding: 60px 0;
}

/* HEADER & NAVIGATION */
header {
  position: sticky;
  top: 0;
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
  padding: 15px 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
}

.logo i {
  margin-right: 6px;
}

.logo span {
  color: var(--primary);
}

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

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  font-weight: 600;
  font-size: 1.1rem;
}

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

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* HERO */
#hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 50px;
  background: url('https://drmohamedbillel.com/assets/img/hero-bg.jpg') no-repeat center center/cover;
  padding: 100px 0;
  border-radius: 15px;
  margin: 20px auto;
  position: relative;
}

.hero-content {
  flex: 1;
  min-width: 300px;
  background-color: rgba(255, 255, 255, 0.95);
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.hero-content h1 {
  color: var(--secondary);
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--gray);
}

.hero-img {
  flex: 1;
  min-width: 300px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* SERVICES & EXPERTISE */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.card {
  background: var(--white);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(233, 64, 124, 0.1);
  transition: transform 0.3s;
  border-top: 4px solid var(--primary);
  text-align: center;
}

.card i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 15px;
}

.card:hover {
  transform: translateY(-5px);
}

/* AWARDS */
#awards ul {
  max-width: 800px;
  margin: 0 auto;
  list-style-position: inside;
  line-height: 2;
  color: var(--dark);
}

#awards li {
  margin-bottom: 15px;
}

/* BLOG SECTION */
#blog {
  background-color: var(--light);
  border-radius: 15px;
  padding: 60px 0;
}

#blog h2 {
  text-align: center;
  color: var(--primary);
}

.blog-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 1.1rem;
  color: var(--gray);
}

.blog-posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.blog-card {
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(233, 64, 124, 0.1);
  transition: transform 0.3s;
}

.blog-card:hover {
  transform: translateY(-5px);
}

.blog-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-card h3 {
  padding: 15px 20px 10px;
  color: var(--secondary);
}

.blog-card p {
  padding: 0 20px;
  color: var(--gray);
}

.blog-card .btn {
  margin: 15px 20px 20px;
}

.blog-note {
  text-align: center;
  margin-top: 40px;
  color: var(--gray);
  font-style: italic;
}

/* CONTACT */
#contact {
  background-color: var(--light);
  border-radius: 15px;
  margin: 0 auto;
  overflow: hidden;
}

#contact .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.contact-info p {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

iframe {
  width: 100%;
  height: 350px;
  border: none;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

form {
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

form input, form textarea, form select {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: 'Open Sans', sans-serif;
}

form textarea {
  height: 120px;
  resize: vertical;
}

form button {
  width: 100%;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px 0;
  background-color: var(--secondary);
  color: white;
  margin-top: 60px;
}

footer i {
  margin-right: 6px;
}

/* WHATSAPP BUTTON */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  z-index: 100;
  transition: transform 0.3s;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 20px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    margin: 10px 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-content, .hero-img {
    min-width: 100%;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.8rem; }
}