/*
  PORTFOLIO CHALLENGE - FINAL STYLESHEET
  This file contains all styling for the portfolio website.
  It includes a unified color theme, CSS variables, animations, and responsive design.
*/

/* --- 1. Basic Setup & Variables --- */
:root {
  /* Main Theme Colors */
  --bg-light: #eaf2f8;
  --navbar-blue-dark: #08083d;
  --navbar-blue-light: #172a45;
  --text-dark: var(--navbar-blue-dark);
  --text-secondary: var(--navbar-blue-dark);
  --text-light: #f0f4f8;
  --accent-primary: #097ac5;
  --accent-secondary: #861407;
  --gradient: linear-gradient(
    90deg,
    var(--navbar-blue-dark),
    var(--accent-secondary),
    var(--accent-primary)
  );

  --card-bg: #ffffff;
  --border-color: var(--navbar-blue-dark);
  --shadow: 0 4px 15px rgba(44, 62, 80, 0.1);
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--bg-light);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

/* --- 2. Layout & General Styling --- */
main {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

section {
  padding: 30px 0;
  border-bottom: 1px solid var(--border-color);
}

h1,
h2,
h3 {
  color: var(--text-dark);
}

h2 {
  font-size: 2.2rem;
  margin-bottom: 40px;
  text-align: center;
  font-weight: 600;
}

/* --- 3. Header & Navigation --- */
header {
  background-color: var(--navbar-blue-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
}

.logo {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: bold;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.my-logo {
  height: 35px;
  width: 35px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--accent-primary);
}

/* --- 4. Hero Section --- */
#hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  min-height: 90vh;
  border-bottom: none;
  padding: 50px 0 0 0;
}

.hero-text {
  flex-basis: 60%;
}

.avatar-wrapper {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  padding: 6px;
  background: var(--gradient);
  animation: spin 4s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid var(--bg-light);
}

.hero-text h1 {
  font-size: 3.2rem;
  margin: 0;
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text .subtitle {
  font-size: 1.5rem;
  color: var(--accent-primary);
  margin-bottom: 20px;
  font-weight: 600;
}

.hero-description {
  font-size: 1.1rem;
  max-width: 500px;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 20px;
}

.cta-button {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  color: white;
  background: var(--gradient);
  border: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(23, 42, 69, 0.3);
}

.cta-button.secondary {
  background: transparent;
  border: 2px solid var(--navbar-blue-dark);
  color: var(--navbar-blue-dark);
}
.cta-button.secondary:hover {
  background-color: rgba(52, 152, 219, 0.1);
  box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
}

/* --- 5. Social & Other Sections --- */
#socials {
  padding-top: 0;
  padding-bottom: 20px;
  text-align: center;
  border-bottom: none;
  display: flex;
  justify-content: center;
  gap: 40px;
}

.social-icon {
  color: var(--text-secondary);
  transition: color 0.3s ease, transform 0.3s ease;
}

.social-icon svg {
  width: 24px;
  height: 24px;
}

.social-icon:hover {
  color: var(--accent-primary);
  transform: translateY(-3px);
}

#about p {
  margin: 0 auto;
  text-align: justify;
  font-size: 1.1rem;
}

#education {
  text-align: center;
}

#education p {
  margin: 0 auto 30px auto;
}

#interests ul {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  text-align: center;
}

.interest-item {
  background-color: var(--navbar-blue-dark);
  padding: 15px 20px;
  margin-bottom: 10px;
  border-left: 4px solid var(--accent-primary);
  border-radius: 4px;
  box-shadow: var(--shadow);
  color: var(--text-light);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.interest-item:hover {
  transform: translateY(-3px);
}

.interest-item strong {
  display: block;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* --- 6. Skills Section --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}

.skill-item {
  display: flex;
  flex-direction: column-reverse;
  gap: 10px;
}

.skill-item h3 {
  font-size: 1rem;
  color: var(--text-dark);
  font-weight: 600;
  margin: 0;
}

.skill-bar {
  width: 100%;
  height: 8px;
  background-color: white;
  border-radius: 5px;
}

.skill-level {
  height: 100%;
  background: var(--gradient);
  border-radius: 5px;
  animation: fill-bar 1.5s ease-out 0.5s forwards;
}

@keyframes fill-bar {
  from {
    width: 0;
  }
}

/* --- 7. Projects & Contact --- */
.project-card {
  display: flex;
  align-items: center;
  gap: 30px;
  background-color: var(--navbar-blue-dark);
  padding: 25px;
  border-radius: 5px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: var(--shadow);
  color: var(--text-light); /* Text inside remains light */
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(23, 42, 69, 0.2);
}

.project-card h3 {
  color: var(--text-light); /* Heading inside remains light */
}

.project-image-wrapper {
  flex-basis: 45%;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 5px;
}

.project-image-wrapper img {
  width: 100%;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-image-wrapper img {
  transform: scale(1.05);
}

.project-text-content {
  flex-basis: 55%;
}

.project-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: bold;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input,
textarea {
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: #fdfefe;
  color: var(--text-dark);
  font-family: inherit;
  font-size: 1rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(52, 152, 219, 0.2);
}

/* --- 8. Footer & Back to Top --- */
footer {
  text-align: center;
  padding: 10px 20px;
  background-color: var(--navbar-blue-dark);
  border-top: 1px solid var(--border-color);
  color: var(--text-light); /* Text inside remains light */
}

.back-to-top {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: var(--gradient);
  color: white;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: bold;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* --- 9. Hamburger Menu (CSS-Only) --- */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  flex-direction: column;
  width: 30px;
  cursor: pointer;
}

.nav-toggle-label span {
  background: var(--text-light);
  border-radius: 2px;
  height: 3px;
  margin: 4px 0;
  transition: 0.4s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

#nav-toggle:checked ~ .nav-toggle-label span:nth-of-type(1) {
  transform-origin: bottom;
  transform: rotatez(45deg) translate(8px, 0px);
}
#nav-toggle:checked ~ .nav-toggle-label span:nth-of-type(2) {
  transform-origin: top;
  transform: rotatez(-45deg) translate(8px, 0px);
}
#nav-toggle:checked ~ .nav-toggle-label span:nth-of-type(3) {
  transform-origin: bottom;
  width: 0;
}

/* --- 10. Responsive Design --- */
@media (max-width: 768px) {
  section {
    padding: 20px 0;
  }

  #hero {
    flex-direction: column-reverse;
    text-align: center;
    gap: 40px;
  }

  #socials {
    margin-top: 30px;
  }

  #about p {
    text-align: center;
  }

  .hero-text {
    order: 2;
  }

  .avatar-wrapper {
    order: 1;
    width: 200px;
    height: 200px;
  }

  .hero-description {
    margin: 20px auto;
  }
  .hero-buttons {
    justify-content: center;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--navbar-blue-dark);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
  }

  .nav-link {
    padding: 0.5rem 1rem;
    text-align: center;
  }

  .nav-toggle-label {
    display: flex;
  }

  #nav-toggle:checked ~ .nav-links {
    display: flex;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }

  .project-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 1.8rem;
  }
}