:root {
  --iris: #4d5ae5;
  --ocean: #404bbf;
  --navy-blue: #2e2f42;
  --slate: #434455;
  --light-slate: #8e8f99;
  --cornflower: #e7e9fc;
  --cloud: #f4f4fd;
  --navy-blue-modal: #2e2f42;
  --grey: #2e2f42;
  --white: #ffffff;
  --dairy: #fcfcfc;
  --font-h1: 56px;
  --font-h2: 36px;
  --font-h3: 20px;
  --font-body: 16px;
  --font-small: 12px;
  --line-height-body: 1.5;
  --line-height-h1: 1.07;
  --letter-spacing-body: 0.32px;
  --letter-spacing-h1: 1.12px;
  --line-height-h2: 1.11;
  --letter-spacing-h2: 0.72px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Roboto", sans-serif;
  font-weight: normal;
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
}

.container {
  max-width: 1158px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

header {
  padding: 16px 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1158px;
}

h1 {
  font-size: var(--font-h1);
  line-height: var(--line-height-h1);
  letter-spacing: var(--letter-spacing-h1);
  font-weight: bold;
}

.logo,
.logo2 {
  color: var(--iris);
  font-family: "Raleway", sans-serif;
  font-weight: bold;
  text-decoration: none;
}

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

.menu ul,
address ul {
  display: flex;
  gap: 48px;
  padding: 0;
  align-items: center;
}

.menu ul li a,
address ul li a {
  color: var(--navy-blue);
  text-decoration: none;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.menu ul li a:hover,
address ul li a:hover {
  color: var(--ocean);
}

.menu ul li a.cizgi {
  color: var(--iris);
  position: relative;
}

.menu ul li a.cizgi::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--iris);
  border-radius: 2px;
  bottom: -20px;
}

.hero {
  width: 1440px;
  height: 600px;
  background-color: var(--navy-blue);
  text-align: center;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 24px;
  background-image: url("../images/office.jpg");
  background-repeat: no-repeat;
  background-position: left center;
  background-size: cover;
  position: relative;
}

.hero .dark-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #2e2f42;
  opacity: 0.7;
}

.hero .container {
  z-index: 999;
}

.hero .title {
  color: var(--white);
  margin-bottom: 48px;
}

.order-button {
  background-color: var(--iris);
  color: var(--white);
  cursor: pointer;
  border: none;
  width: 169px;
  height: 56px;
  padding: 16px 32px;
  border-radius: 4px;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.order-button:hover {
  background-color: var(--ocean);
}

.team {
  background-color: var(--cloud);
}

.strategy,
.team,
.portfolio {
  padding-top: 120px;
  padding-bottom: 120px;
  margin: 0 auto;
}

.strategy ul {
  display: flex;
  justify-content: space-between;
  padding: 0;
  gap: 24px;
}

.strategy ul li {
  width: 264px;
}

.strategy ul li h3 {
  color: var(--navy-blue);
  font-family: "Roboto" sans-serif;
  font-size: var(--font-h3);
  line-height: 1, 2;
  letter-spacing: 0, 4;
  margin-bottom: 8px;
}

.strategy ul li p,
.team ul li p,
.portfolio ul li p {
  color: var(--slate);
}

.team .title,
.portfolio .title {
  font-size: var(--font-h2);
  color: var(--navy-blue);
  line-height: var(--line-height-h2);
  letter-spacing: var(--letter-spacing-h2);
  font-weight: bold;
}

.team .title {
  margin-bottom: 40px;
  text-align: center;
}

.portfolio .title {
  margin-bottom: 40px;
  text-align: center;
}

.team ul {
  color: #2e2f42;
  margin-top: 72px;
}

.portfolio ul {
  background-color: var(--white);
  color: #2e2f42;
}

.portfolio ul {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 0;
  margin-top: 72px;
}

.portfolio ul li {
  width: calc((100% - 48px) / 3);
  border: none;
}

.portfolio ul li img {
  max-width: 100%;
  display: block;
}

.border {
  border-left: 1px solid var(--cornflower);
  border-right: 1px solid var(--cornflower);
  border-bottom: 1px solid var(--cornflower);
  padding: 16px;
}

.team ul {
  display: flex;
  padding: 0;
  gap: 24px;
}

.team ul li {
  width: calc((100% - 72px) / 4);
  background-color: var(--white);
  width: 264px;
  height: 428px;
}

.team ul li h3,
.portfolio ul li h3 {
  font-family: "Roboto" sans-serif;
  font-size: var(--font-h3);
  line-height: 1.2;
  letter-spacing: 0.4;
  color: var(--navy-blue);
  padding: 16px;
}

.team ul li h3,
.team ul li p {
  text-align: center;
}

.portfolio ul li h3 {
  padding: 16px;
  text-align: left;
}

.portfolio ul li p {
  text-align: left;
  padding: 16px;
}

.footer {
  color: var(--cloud);
  padding: 40px 0;
  background-color: var(--navy-blue);
}

.footer-container {
  display: flex;
  height: 312px;
  align-items: flex-start;

  gap: 16px;
  max-width: 1158px;
  padding-left: 16px;
  padding-right: 16px;
  padding-top: 40px;
  padding-bottom: 40px;
}

.logo2 span {
  color: var(--cloud);
}

.icon-antenna,
.icon-clock,
.icon-diagram,
.icon-astronaut {
  width: 64px;
  height: 64px;
}

.iconlarim {
  border: 1px solid #8e8f99;
  display: flex;
  width: 264px;
  height: 112px;
  gap: 24px;
  border-radius: 4px;
  background-color: var(--cloud);
  justify-content: center;
  align-items: center;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sosyal {
  padding-left: 16px;
  padding-right: 16px;
}

.sosyal .sosyal-medya {
  display: flex;
  gap: 24px;
  margin-top: 8px;
}

.sosyal .sosyal-medya .sosyal-medya-item {
  border-radius: 50%;
  list-style-type: none;
  width: 40px;
  height: 40px;
  background-color: #4d5ae5;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sosyal .sosyal-medya .sosyal-medya-item .icon-twitter,
.icon-instagram,
.icon-facebook,
.icon-linkedin {
  width: 16px;
  height: 16px;
}

.sosyal-medya-item {
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sosyal-medya-item:hover,
.sosyal-medya-item:focus {
  transform: scale(1.1);
}

.footer-brand {
  max-width: 300px;

  margin-right: 120px;
  word-wrap: break-word;

  line-height: 1.5;
}

.footer-brand p,
.footer .sosyal-medya {
  margin-top: 16px;
}

.portfolio-thumb {
  position: relative;
  width: 360px;
  cursor: pointer;
  overflow: hidden;
}

.portfolio-thumb img {
  display: block;
  width: 100%;
}

.portfolio-thumb .overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--iris);
  /* iris mavi */
  color: white;
  padding: 40px 32px 164px 32px;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.4;
  display: none;
}

.portfolio-thumb:hover .overlay {
  display: block;
}

.portfolio-thumb .overlay p {
  color: white;
  font-family: "Roboto", sans-serif;

  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  font-weight: 400;
  font-size: 14px;
}

.backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  background-color: rgba(46, 47, 66, 0.4);
}

.modal {
  position: relative;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 408px;
  height: 584px;
  background: #fff;
  padding: 24px;
  z-index: 1000;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  cursor: pointer;
  border: 1px solid #0000001a;
  border-radius: 50%;
  background-color: #e7e9fc;
  width: 24px;
  height: 24px;
  text-align: center;
  line-height: 24px;
  font-size: 14px;
}

.modal h2 {
  margin-top: 50px;
}

.modal form {
  margin-top: 16px;
}

.modal form label > span {
  font-family: Roboto, sans-serif;
  font-weight: 400;
  font-size: 12px;
  line-height: 14px;
  letter-spacing: 4%;
  margin: 4px 0;
  display: flex;
  align-items: center;
}

.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-wrapper .icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  
}



.input-icon-wrapper input {
  padding-left: 40px;
}

.modal form input[type="text"],
.modal form input[type="tel"],
.modal form input[type="email"] {
  width: 360px;
  height: 40px;
  border: 1px solid #2e2f4266;
  border-radius: 4px;
  padding: 8px 12px;
  box-sizing: border-box;

}

.modal form textarea {
  width: 360px;
  height: 120px;
  border: 1px solid #2e2f4266;
  border-radius: 4px;
  padding: 8px 12px;
  box-sizing: border-box;
  resize: none;
}

.modal form input:focus,
.modal form textarea:focus {
  border: 2px solid var(--iris);
  outline: none;
}

.send-btn {
  width: 169px;
  height: 56px;
  margin-top: 24px;
  border-radius: 4px;
  padding: 16px 32px;
  color: white;
  background-color: #4d5ae5;
  box-shadow: 0px 4px 4px 0px #00000026;
  transition: background-color 250ms ease, transform 250ms ease;
}

.send-btn:hover {
  background-color: var(--ocean);
  transform: scale(1.01);
}

.policy {
  color: var(--iris);
  text-decoration: underline;
  margin-left: 4px;
}

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  cursor: pointer;
}

.checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  vertical-align: middle;
}

.hero-wrapper {
  position: relative;
  z-index: 0;
}

.hero-wrapper::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(46, 47, 66, 0.4);

  opacity: 0;
  transition: opacity 250ms ease-in-out;
  pointer-events: none;
  z-index: 1;
}

#form-toggle:checked + .hero-wrapper::before {
  opacity: 1;
  pointer-events: auto;
}

#form-toggle:checked + .hero-wrapper .backdrop {
  display: block;
}

.subscribe-title {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  margin-left: 80px;
}

.subscribe-input {
  width: 264px;
  margin-left: 80px;
  height: 40px;

  padding: 8px 16px;

  font-size: 16px;

  border: 1px solid #ccc;

  border-radius: 4px;

  color: #333;

  background-color: transparent;
}

.subscribe-button {
  width: 140px;
  height: 40px;
  position: relative;
  top: -40px;
  left: 368px;
  background-color: #4d5ae5;
  color: white;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
}

.subscribe-button:hover,
.subscribe-button:focus {
  background-color: #404bbf;
}
.backdrop {
  position: fixed;
  /* absolute değil, fixed olacak */
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: none;
  background-color: rgba(46, 47, 66, 0.4);
  z-index: 999;
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 408px;
  height: 584px;
  background: #fff;
  padding: 24px;
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  z-index: 1000;
}



.input-icon-wrapper:focus-within .icon {
  fill: var(--iris);
}



.input-icon-wrapper input {
  padding-left: 37px !important;

}