@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;600;700&display=swap");

:root {
  --bg-dark: #101214;
  --bg-light: #1b1f24;
  --accent: #4da8da;
  --text-light: #f2f2f2;
  --text-muted: #b5b5b5;
  --white: #ffffff;
  --border: #2a2e33;
  --highlight: #3aafa9;
}

* {
  font-family: "Nunito", sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  outline: none;
  border: none;
  transition: all 0.3s ease;
}

*::selection {
  background: var(--accent);
  color: var(--white);
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-dark);
  color: var(--text-light);
  overflow-x: hidden;
  padding-left: 35rem;
}

/* === HEADER === */
header {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: 35rem;
  background: var(--bg-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding-top: 3rem;
  box-shadow: 4px 0 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

header .user img {
  height: 15rem;
  width: 15rem;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent);
}

header .user .name {
  font-size: 2.4rem;
  font-weight: 700;
  margin-top: 1rem;
}

header .user .post {
  font-size: 1.6rem;
  color: var(--text-muted);
}

header .navbar {
  width: 100%;
  margin-top: 3rem;
}

header .navbar ul {
  list-style: none;
  padding: 0 2rem;
}

header .navbar ul li a {
  display: block;
  padding: 1rem 2rem;
  margin: 1rem 0;
  background: transparent;
  border-left: 3px solid transparent;
  color: var(--text-light);
  font-size: 1.8rem;
  border-radius: 0.5rem;
}

header .navbar ul li a:hover,
header .navbar ul li a.active {
  background: var(--accent);
  border-left-color: var(--highlight);
  color: var(--white);
  transform: translateX(5px);
}

/* === MENU ICON (MOBILE) === */
#menu {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: var(--accent);
  color: var(--white);
  cursor: pointer;
  font-size: 2.5rem;
  padding: 1rem 1.5rem;
  border-radius: 0.6rem;
  z-index: 1000;
  display: none;
}

/* === SECTION STYLE === */
section {
  min-height: 100vh;
  padding: 5rem 10rem;
}

.heading {
  text-align: center;
  font-size: 3.8rem;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 3rem;
  position: relative;
}

.heading::after {
  content: "";
  width: 8rem;
  height: 0.3rem;
  background: var(--accent);
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
}

/* === BUTTONS === */
.btn {
  padding: 1rem 3rem;
  background: var(--accent);
  color: var(--white);
  cursor: pointer;
  margin-top: 2rem;
  font-size: 1.8rem;
  border-radius: 3rem;
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(77, 168, 218, 0.3);
}

.btn:hover {
  background: var(--highlight);
  transform: scale(1.05);
}

/* === HOME SECTION === */
.home {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8rem;
}

.home h3 {
  font-size: 2.6rem;
  color: var(--highlight);
}

.home h1 {
  font-size: 5rem;
  margin-top: 1rem;
  color: var(--white);
}

.home p {
  font-size: 1.8rem;
  color: var(--text-muted);
  margin-top: 2rem;
  max-width: 100rem;
  line-height: 1.6;
}

/* === SKILLS === */
.skills .box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 3rem;
}

.skills .box {
  background: var(--bg-light);
  padding: 2rem 3rem;
  border-radius: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  position: relative;
}

.skills .box i {
  position: absolute;
  top: -2rem;
  left: 2rem;
  background: var(--accent);
  color: var(--white);
  height: 5rem;
  width: 5rem;
  line-height: 5rem;
  text-align: center;
  border-radius: 50%;
  font-size: 2rem;
}

.skills .box h3 {
  font-size: 2.2rem;
  margin-top: 1rem;
  color: var(--white);
}

.skills .box ul {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

.skills .box ul li {
  font-size: 1.5rem;
  color: var(--text-light);
  margin: 0.4rem 0;
  line-height: 1.5;
}

/* === EXPERIENCE & EDUCATION === */
.box-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
  gap: 3rem;
}

.box {
  background: var(--bg-light);
  padding: 2rem 3rem;
  border-radius: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  position: relative;
}

.box i {
  position: absolute;
  top: -2rem;
  left: 2rem;
  background: var(--accent);
  color: var(--white);
  height: 5rem;
  width: 5rem;
  line-height: 5rem;
  text-align: center;
  border-radius: 50%;
  font-size: 2rem;
}

.box span {
  display: inline-block;
  background: var(--border);
  color: var(--text-muted);
  border-radius: 3rem;
  padding: 0.5rem 1.5rem;
  font-size: 1.3rem;
}

.education .box span {
  margin-top: 2rem;
}

.experience .box span {
  margin-top: 2rem;
}

.box h3 {
  font-size: 2.2rem;
  margin-top: 1rem;
  color: var(--white);
}

.box p {
  font-size: 1.6rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.box ul {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

.box ul li {
  font-size: 1.5rem;
  color: var(--text-light);
  margin: 0.4rem 0;
  line-height: 1.5;
}

/* === CONTACT === */
.contact .info h3 {
  font-size: 1.8rem;
  color: var(--text-light);
  margin: 1rem 0;
}

.contact .info h3 i {
  color: var(--accent);
  margin-right: 1rem;
}

.contact a {
  color: var(--accent);
  text-decoration: underline;
}

.contact a:hover {
  color: var(--highlight);
}

/* === SCROLL TOP === */
.top {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  height: 5rem;
  width: 5rem;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 15px rgba(77, 168, 218, 0.4);
}

.top:hover {
  background: var(--highlight);
  transform: translateY(-3px);
}

/* === RESPONSIVE === */
@media (max-width: 991px) {
  body {
    padding-left: 0;
  }

  header {
    left: -120%;
  }

  header.toggle {
    left: 0;
  }

  #menu {
    display: block;
  }

  section {
    padding: 5rem 3rem;
  }

  .home {
    padding: 0 3rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 55%;
  }

  .heading {
    font-size: 3rem;
  }

  .home h1 {
    font-size: 4rem;
  }
}