/*font and box size*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: "Lora", serif;
}

h1,h2,h3 {
    font-family: "Lora", serif;
}

/* element selector */
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f2f5f8;
  color: #333333;
}

.container {
  width: 1024px;
  margin: 0 auto;
  background-color: #ffffff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h2 {
    font-size: 30px;
    text-align: center;
}

/* header and banner*/
.site-header {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 4px solid #224466; 
}

.banner {
  width: 40%;
  max-width: 380px;
  margin-right: 16px;
}

/* descendant selector*/
.header-text h1 { 
  font-family: "Lora", serif; 
  font-size: 32px;
  margin: 0 0 8px 0;
}

.header-text p {
  margin: 0;
  font-size: 16px;
}

/* navigation */
.main-nav {
  display: flex;
  justify-content: space-around;
  background-color: #224466;
}

.main-nav a {
  color: #ffffff;
  text-decoration: none;
  padding: 12px 20px;
  display: inline-block; 
  font-weight: bold;
}

.main-nav a:hover {
  background-color: #ffcc33;
  color: #224466;
}

/* Home */
main {
  flex: 1;
  padding: 24px;
}

/* group selector*/
.intro h2,
.intro p {
  margin-bottom: 12px;
}

/* 3 column & flex box*/
.home-grid {
  display: flex;           
  gap: 5px;
}

.home-card {
  flex: 1;
  padding: 16px;
  background-color: #e9f1fb;
  border-radius: 8px;
  border: 1px solid #ccd6e5;
}

/* independent class selecroe*/
.btn {
  display: inline-block;
  padding: 8px 16px;
  background-color: #224466;
  color: #ffffff;
  text-decoration: none;
  border-radius: 4px;
  margin-top: 8px;
}

/* deoendant class selector */
.home-card.card-adoption {
  background-color: #fff4e0;
}

/* About */
main h2 {
  margin-bottom: 30px;
}

main section {
  margin-bottom: 24px;
}

/* contact box */
.about-content {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  gap: 100px;
  margin-top: 16px;
}

.about-image {
  flex: 0 0 50%;
}

.founders-photo {
  width: 100%;
  border-radius: 8px;
}

.contact-box {
  flex: 0 0 280px;
  padding: 20px;
  border: 1px solid #ccd6e5;
  background-color: #f7fbff;
  border-radius: 8px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}

.contact-form label {
  font-weight: bold;
}

.contact-form input,
.contact-form textarea {
  padding: 8px;
  border: 1px solid #aac1d2;
  border-radius: 4px;
  font-size: 14px;
}

.contact-form textarea {
  height: 100px;
  resize: vertical;
}

.contact-form button {
  width: 120px;
  padding: 8px 12px;
  background-color: #224466;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.contact-form button:hover {
  background-color: #1a344f;
}

/* Adoption */
.dog-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.dog-card {
  flex: 1 1 calc(50% - 16px);
  padding: 16px;
  border: 1px solid #ccd6e5;
  border-radius: 8px;
}

.dog-photo {
  width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: 8px;
}

/* Caring */
.caring-section h3 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.caring-section h3::before {
  content: "";
  width: 24px;  
  height: 24px;
  background-image: url("images/paw.png");
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
}