/* Base styles for a clean, minimalistic aesthetic */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: #f7f9fb;
  color: #333333;
  font-family: "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  line-height: 1.6;
  margin: 0;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background-color: #ffffff;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header nav h1 {
  font-size: 24px;
  color: #0077b6;
  letter-spacing: 0.5px;
}

header nav ul {
  list-style: none;
  display: flex;
  align-items: center;
}

header nav ul li {
  margin-left: 20px;
}

header nav ul li a {
  color: #333333;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

header nav ul li a:hover {
  color: #0077b6;
}

/* Hero section with light pastel background */
.hero {
  background-image: url('assets/hero_light.png');
  background-size: cover;
  background-position: center;
  height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
  margin-top: 70px; /* offset for fixed header */
}

/* Hero text styles */
.hero-text h2 {
  font-size: 40px;
  margin-bottom: 20px;
  color: #0077b6;
}

.hero-text p {
  font-size: 20px;
  margin-bottom: 30px;
  color: #555555;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: #0077b6;
  color: #ffffff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #005f8a;
}

/* Sections */
.about,
.case-study,
.contact {
  padding: 80px 40px;
  max-width: 900px;
  margin: auto;
}

/* Section headings */
.about h2,
.case-study h2,
.contact h2 {
  font-size: 32px;
  margin-bottom: 20px;
  color: #0077b6;
}

/* Subheadings in case study */
.case-study h3 {
  font-size: 24px;
  margin-top: 40px;
  margin-bottom: 10px;
  color: #0077b6;
}

/* Paragraphs and list text */
.about p,
.case-study p,
.case-study ul,
.contact p {
  font-size: 18px;
  margin-bottom: 20px;
  color: #333333;
}

.case-study ul {
  padding-left: 20px;
}

.case-study ul li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.contact ul {
  list-style: none;
  padding-left: 0;
}

.contact ul li {
  margin-bottom: 10px;
}

/* Contact links */
.contact a {
  color: #0077b6;
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

/* Profile photo in About section */
.profile-photo {
  text-align: center;
  margin-bottom: 20px;
}

 .profile-photo img {
  max-width: 200px;
  width: 100%;
  border-radius: 50%;
  border: 3px solid #0077b6;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #ffffff;
  color: #777777;
  font-size: 14px;
  border-top: 1px solid #eaeaea;
}