/*
 * PROFESSIONAL & MINIMALIST STYLE
 * Primary Palette: White (#FFFFFF) and Dark Gray (#212529)
 * Accent Color: Professional Blue (#007bff)
 */

/* ========== GLOBAL STYLES ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: #ffffff; /* Pure white background */
  color: #343a40; /* Standard dark text color */
  line-height: 1.6;
}

/* Headings */
h1, h2, h3 {
  color: #212529; /* Very dark gray for strong headings */
}

/* ========== HEADER ========== */
header {
  background-color: #ffffff; /* White background */
  color: #212529;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05); /* Subtle shadow for lift */
  border-bottom: 1px solid #e9ecef; /* Light separator line */
}

header .logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* Style for the logo image */
header .logo img {
  height: 75px; /* Adjust height as needed */
  vertical-align: middle;
}

nav a {
  color: #495057; /* Muted dark text for links */
  text-decoration: none;
  margin: 0 15px;
  font-size: 1rem;
  transition: color 0.3s;
}

nav a:hover {
  color: #007bff; /* Professional blue accent on hover */
}

.account {
  background: #007bff; /* Solid blue accent background */
  color: #ffffff !important;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: 500;
}

.account:hover {
  background: #0056b3; /* Darker blue on hover */
}

/* ========== HERO SECTION ========== */
.hero {
  text-align: center;
  padding: 120px 20px;
  background: #ffffff; /* White background */
  color: #212529;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #495057;
}

.hero .btn {
  background-color: #007bff; /* Professional blue button */
  color: #fff;
  text-decoration: none;
  padding: 12px 30px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1.05rem;
  transition: background 0.3s;
}

.hero .btn:hover {
  background-color: #0056b3;
}

/* ========== ABOUT SECTION ========== */
.about {
  max-width: 1100px;
  margin: 60px auto;
  padding: 0 20px;
}

.about h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 30px;
}

.about p {
  font-size: 1rem;
  margin-bottom: 15px;
  text-align: justify;
}

/* ========== Differentiators SECTION (New) ========== */
.differentiators {
  background: #ffffff; /* White background */
  padding: 60px 20px;
  text-align: center;
}

.differentiators h2 {
  font-size: 2.2rem;
  margin-bottom: 30px;
  color: #007bff; /* Accent Blue for the heading */
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
  text-align: left;
}

.feature-card {
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #e9ecef; /* Very light border */
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 123, 255, 0.1); /* Subtle blue shadow on hover */
}

.feature-card h3 {
  font-size: 1.25rem;
  color: #212529;
  margin-bottom: 10px;
  border-bottom: 2px solid #007bff; /* Blue line under title */
  display: inline-block;
  padding-bottom: 5px;
}

.feature-card p {
  font-size: 0.95rem;
  color: #6c757d;
}

/* ========== COURSES PAGE INTRO ========== */
.intro {
  max-width: 1100px;
  margin: 50px auto;
  padding: 0 20px;
}

.intro h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 30px;
}

.intro p {
  margin-bottom: 15px;
  text-align: justify;
  font-size: 1rem;
}

.intro ul {
  list-style: none;
  margin-top: 15px;
}

.intro ul li {
  background: #f8f9fa; /* Very light gray background */
  margin: 10px 0;
  padding: 12px 15px;
  border-left: 4px solid #007bff; /* Blue accent border */
  border-radius: 4px;
  font-size: 1rem;
}

/* Course Grid */
.courses {
  background: #f8f9fa; /* Light gray background for section contrast */
  padding: 60px 20px;
  text-align: center;
}

.courses h2 {
  font-size: 2.2rem;
  margin-bottom: 30px;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.course-card {
  background: #ffffff; /* White card background */
  padding: 30px;
  border-radius: 8px;
  border: 1px solid #dee2e6; /* Subtle border */
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.1);
}

.course-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.course-card p {
  color: #6c757d;
  font-size: 1rem;
  margin-bottom: 25px;
}

.course-card button {
  background: #007bff; /* Blue accent button */
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s;
}

.course-card button:hover {
  background: #0056b3;
}

/* ========== CONTACT SECTION ========== */
.contact {
  background: #ffffff; /* White background */
  color: #212529;
  padding: 60px 20px;
  text-align: center;
}

.contact h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

form {
  max-width: 600px;
  margin: 0 auto;
}

form input,
form textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;
  border: 1px solid #ced4da; /* Light gray border for input fields */
  border-radius: 4px;
  font-size: 1rem;
  background-color: #f8f9fa;
}

form button {
  background: #007bff; /* Blue accent button */
  color: #fff;
  border: none;
  padding: 12px 25px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s;
}

form button:hover {
  background: #0056b3;
}

/* ========== TEACHERS MISSION SECTION (New) ========== */
.teachers-mission {
  max-width: 800px;
  margin: 50px auto 0;
  padding: 0 20px;
  text-align: center;
  border-bottom: 1px solid #e9ecef;
  padding-bottom: 30px;
  margin-bottom: 40px;
}

.teachers-mission h2 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.teachers-mission p {
  font-size: 1.1rem;
  color: #495057;
}

/* Update TEACHERS SECTION for Card Styling */
.teachers {
  padding: 20px;
  text-align: center;
}

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}

.teacher-card {
  background: #ffffff;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #ced4da;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
  text-align: center;
}

.teacher-card img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: 50%; /* Make images circular */
  object-fit: cover;
  margin-bottom: 15px;
  border: 4px solid #f8f9fa;
}

.teacher-card h3 {
  font-size: 1.5rem;
  margin-bottom: 5px;
  color: #007bff; /* Blue for teacher names */
}

.teacher-card p {
  font-size: 1rem;
  color: #343a40;
  font-style: italic;
  margin-bottom: 10px;
}

/* New Focus Area style */
.focus-area {
  background-color: #f8f9fa; /* Light background for focus area */
  color: #495057;
  padding: 8px;
  border-radius: 4px;
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid #e9ecef;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav a {
    display: block;
    margin: 8px 0;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .about, .intro, .differentiators, .teachers-mission {
    padding: 0 15px;
  }
}