body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #efeaed;
  color: #333;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-color);
}

h1 {
  margin-bottom: 1rem;
  color: var(--text-color);
}
p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ==== Шапка ==== */
header {
  display: flex;
  justify-content: space-between;/* распределяем элементы по краям */
  align-items: center;
  padding: 1rem 3rem;
  position: sticky; /* что бы меню щставалось на верху при прок  */
  top: 0;
  z-index: 1000; /* приоритет наложения — чтобы шапка была поверх всего */
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  color:#efeaedb3
}

header h1 {
  margin: 0;
  font-size: 1.4rem;
  font-weight: bold;
  color: #d51374;
}

header nav {
  display: flex;
  align-items: center;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

header nav ul li a {
  color: var(--header-color);
  font-weight: 500;
  transition: color 0.3s;
}

header nav ul li a:hover {
  color: #e70ca1;
}

header .btn {
  margin-left: 2rem;
  background: #050d16;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}

header .btn:hover {
  background: #e70ca1;
}

/* ==== Контейнер ==== */
.containers {
  padding: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
 #welcome {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  height: 500px;
}

#welcome p {
  font-size: 2.5rem;
  margin-bottom:30px;
  font-weight: 600;
  color: var(--text2-color);
}

#welcome button {
  padding: 12px 24px;
  font-size: 1rem;
  background-color: #e70ca1;
  color: white;
  border: none;/* без рамки */
  border-radius: 15px;
  cursor: pointer;
  transition: background 0.3s ease;
}

#welcome button:hover {
  background-color: #670648;
}
.burger {
  display: none;
  font-size: 2rem;
  background: none;
  border: none;
  color: #111;
  cursor: pointer;
}

/* ==== About ==== */
#about {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 4rem;
  margin: 20px;
  align-items: flex-start;/* выравнивание элементов по верхнему краю */
}

#about p {
  flex: 1;
  margin-bottom: 2.5rem;
}

#about h1 {
  font-size: 40px;
  padding-top: 1px;
}

#about img {
  max-width: 500px;
  border-radius: 50px;
  margin: 10px 20px 30px 40px;
  padding: 15px;
}

.highlight {
  color: #db09ae;
  font-weight: bold;
}

#about .btn {
  margin-left: 2rem;
  background: #050d16;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}

#about .btn:hover {
  background: #e70ca1;
}

#about .btn1 {
  margin-left: 2rem;
  background: #e70ca1;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background 0.3s;
}

#about .btn1:hover {
  background: #000000;
}

/* ==== Study ==== */
#study {
  text-align: center;
  margin-bottom: 4rem;
}

#study h2 {
  text-align: center;
  margin-top: 60px;
  font-size: 2.2rem;
  font-weight: 600;
}


.images {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;/* если экран узкий, переносятся на следующую строку */
  margin: 10px;
}

.images img {
  width: 100px;
  height: 100px;
  transition: transform 0.3s;
}

.images img:hover {
  transform: scale(1.2);/* увеличение картинки при наведении */
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}

h2 {
  text-align: center;
  margin-top: 60px;
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--text-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));/* автоадаптивная сетка: минимум 350px, максимум 1 фракция */
  gap: 30px;
  margin-top: 30px;
}

.project-card {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card-header {
  padding: 20px 20px 15px;
  border-bottom: 1px solid #fefefe;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  background-color:(#000);
  margin-bottom: 8px;
}

.project-description {
  color: #4a5568;
  font-size: 0.95rem;
}

.tech-stack {
  padding: 15px 20px;
  background-color:var(--card-bg) ;
  /* background-color: #f7fafc; */
  border-bottom: 1px solid #e2e8f0;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  background-color: #edf2f7;
  color: #2d3748;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.card-actions {
  padding: 20px;
  display: flex;
  gap: 15px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.btn-code {
  background-color: #e2e8f0;
  color: #2d3748;
  border: 1px solid #cbd5e0;
}

.btn-code:hover {
  background-color: #cbd5e0;
}

.btn-demo {
  background-color: #e70ca1;
  color: white;
  border: 1px solid #bc0080;
}

.btn-demo:hover {
  background-color: #d51374;
}


  footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0;
  background-color: #111;
  color: #fff;
  text-align: center;
}

footer a {
  color: #fff;
  text-decoration: none;
  display: block;
  margin-bottom: 15px;
}


footer p {
  margin-top: 15px;
  font-size: 12px;
}

.socials {
  margin-top: 15px;
}

.socials {
  display: flex;
  gap: 20px;
}

.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #222;
  transition: background 0.3s, transform 0.3s;
  font-size: 1.3rem;
}

.socials a:hover {
  background-color: #e70ca1;
  transform: scale(1.1);
}

/* пробв */
#contact h1 {
  text-align: center;
  margin-top: 60px;
  font-size: 2.2rem;
  font-weight: 600;
}

/* Контейнер для формы и информации */
#getintouch,
.getintouch {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  /* чтобы на мобильных переходило вниз */
  max-width: 1000px;
  margin: 40px auto;
  padding: 0 20px;
}

/* Оформление формы */
#getintouch form,
.getintouch form {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  padding: 30px;
  flex: 1 1 450px;
  min-width: 300px;
}

/* Стили для меток и полей */
form label {
  display: block;
  margin-top: 10px;
  font-weight: 500;
  color: #444;
}

form input[type="text"],
form input[type="email"],
form input[type="tel"],
form textarea {
  width: 100%;
  resize: vertical;
  border-radius: 6px;
  padding: 10px;
  font-size: 0.95rem;
  margin-top: 5px;
  margin-bottom: 10px;
  outline: none;
  transition: border 0.3s ease;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text-color);
}

form input:focus,
form textarea:focus {
  border-color: #000;
}

/* Кнопки */
form input[type="submit"] {
  width: 100%;
  padding: 10px;
  background-color: #d51374;
  color: #ffffff;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: background 0.3s;
}

input[type="submit"]:hover {
  background-color: #6e0d5d;
}

/* Блок с контактами */
.contact-info {
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  padding: 30px;
  flex: 1 1 280px;
  min-width: 250px;
}

.contact-info h2 {
  margin-bottom: 15px;
  font-size: 1.3rem;
  font-weight: 600;
}

.contact-info p {
  margin: 10px 0;
  color: #555;
  font-size: 0.95rem;
}

@media (max-width: 1024px) {

  header {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  header h1 {
    font-size: 1.8rem;
  }

  nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  nav a.btn {
    margin-top: 1rem;
  }

  #about {
    flex-direction: column;
    text-align: center;
  }

  #about img {
    max-width: 400px;
    margin: 0 auto;
  }

  #about h1 {
    font-size: 2rem;
  }

  #about p {
    font-size: 1rem;
  }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .getintouch {
    gap: 30px;
  }
}



@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  header nav ul {
    flex-direction: column;
    gap: 0.8rem;
    padding: 0;
  }

  header .btn {
    margin-top: 0.5rem;
  }


  #about {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  #about img {
    max-width: 280px;
    margin: 0 auto;
  }

  #about h1 {
    font-size: 1.8rem;
  }

  #about p {
    font-size: 0.95rem;
  }

  #about .btn,
  #about .btn1 {
    margin-left: 0;
    display: inline-block;
    margin-top: 10px;
  }


  .images {
    flex-wrap: wrap;
    justify-content: center;
  }

  figure img {
    width: 70px;
    height: auto;
  }


  .projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .project-card {
    padding: 20px;
  }


  .getintouch {
    flex-direction: column;
    align-items: stretch;
  }

  .getintouch form,
  .contact-info {
    flex: 1 1 100%;
    min-width: unset;
  }

  form input,
  form textarea {
    font-size: 0.9rem;
  }

  form input[type="submit"] {
    width: 100%;
  }


  footer {
    flex-direction: column;
    text-align: center;
  }

  footer .socials {
    margin: 10px 0;
  }

  footer a {
    display: inline-block;
    margin: 5px;
  }
}
@media (max-width: 480px) {

  body {
    font-size: 14px;
  }

  header h1 {
    font-size: 1.5rem;
  }

  #about img {
    max-width: 220px;
  }

  .btn,
  .btn1 {
    padding: 0.4rem 0.9rem;
    font-size: 0.9rem;
  }

  footer p {
    font-size: 0.8rem;
  }
}



/* --- Для мобильных устройств --- */
@media (max-width: 768px) {
  header {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
  }

  .burger {
    display: block;
    position: absolute;
    right: 1.5rem;
    top: 1.2rem;
  }

  /* Меню по умолчанию скрыто */
  nav {
    display: none;
    width: 100%;
    flex-direction: column;
    background: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    margin-top: 3.5rem;
    padding: 1rem 0;
  }

  /* Когда активно (через JS), показываем меню */
  nav.active {
    display: flex;
  }

  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 0;
    margin: 0;
  }

  nav ul li {
    list-style: none;
  }

  nav ul li a {
    color: #111;
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s;
  }

  nav ul li a:hover {
    color: #e70ca1;
  }

  nav .btn {
    align-self: center;
    margin-top: 10px;
  }
}
:root {
  --bg-color: #efeaed;
  --text-color: #000000;
  --nav-bg:#efeaedf3;
  --nav-border: #f3f2f2;
  --card-bg: #ffffff;
  --accent-color: #e70ca1;
  --hover-color: #000000;
  --header-color:#444;
  --text2-color: #4a5568;
  --card-border:#a1a4a9;
  --button-text:var(--header-color)
  }

[data-theme="dark"] {
  --bg-color: #1a1a25;
  --text-color: #ffffff;
  --nav-bg:#1a1a25;
  --nav-border: #1c1c2d;
  --accent-color: #e70ca1;
  --hover-color: #000000;
  --nav-border: #2d3748;
  --card-bg: #2d3748;
  --card-border: #4a5568;
  --header-color:#8b8484;
  --button-text:var(--text-color)
}


.theme-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.theme-toggle {
  background: var(--button-bg);
  border: none;
  color: var(--button-text);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 20px;
}

.theme-toggle:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  transform: translateY(-1px);
}

.toggle-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

[data-theme="dark"] .toggle-icon {
  transform: rotate(180deg);
}
.hidden {
  opacity: 0; /*видимость*/
  transform: translateY(50px);/* чуть сдвинут вниз */
  transition: all 0.6s ease;
}

.visible {
  opacity: 1;
  transform: translateY(0);
}

/* hamburger */
.hamburger {
  width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid #ccc; display: none; place-items: center;
  background: transparent; cursor: pointer; transition: border-color .2s ease;
}
.hamburger-bars {
   position: relative;   /*выводит элемент из обычного потока.*/
   width: 20px;
   height: 14px;
  }
.bar { 
  position: absolute; /*Сдвигает элемент относительно родителя*/
  left: 0;
  right: 0;
  height: 2px; 
  background: currentColor;
  border-radius: 2px;
}
.bar:nth-child(1) {
  top: 0;
}
.bar:nth-child(2) {
  top: 6px;
}
.bar:nth-child(3) {
  bottom: 0;
}


/* Мобайл: скрываем горизонтальное меню до открытия */
@media (max-width: 768px) {
  .hamburger { display: grid; }
  .menu {
    display: none;
    position: absolute; left: 0; right: 0; top: 60px;
    background: #fff; border: 1px solid #ddd; border-radius: 12px;
    flex-direction: column; padding: 10px;
  }
  .menu.open { display: flex;
    animation: fadeIn .25s ease forwards;
  }
}
.scroll-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: #ff0b9d;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(0,0,0,.15);
  opacity: 0; 
  visibility: hidden;/* невидимая и не кликабельная */
  transform: translateY(8px);
  transition: opacity .25s ease, visibility .25s ease, transform .25s ease;
}

.scroll-top:hover { background: #6d032f; }

.scroll-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}