:root {
  --primary-orange: #FF9F40;
  --primary-navy: #1E3A5F;
  --neutral-bg: #F8F9FB;
  --neutral-light: #e6eaf0;
  --neutral-dark: #232323;
  --card-radius: 18px;
  --shadow: 0 4px 24px rgba(0,0,0,.07);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

body {
  margin: 0;
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background: var(--neutral-bg);
  color: var(--primary-navy);
  transition: background .4s, color .4s;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px 10px 40px;
  background: var(--neutral-bg);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-circle {
  background: var(--primary-orange);
  color: var(--neutral-bg);
  width: 40px;
  height: 40px;
  font-size: 1.7em;
  font-weight: bold;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.brand-name {
  font-size: 1.25em;
  font-weight: bold;
  color: var(--primary-navy);
}

nav {
  position: relative;
}
nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  color: var(--primary-navy);
  font-weight: 500;
  font-size: 1.07em;
  transition: color var(--transition);
}
nav a:hover, nav a.active {
  color: var(--primary-orange);
}
#darkModeToggle {
  background: none;
  border: none;
  font-size: 1.4em;
  cursor: pointer;
  color: var(--primary-orange);
  transition: color var(--transition);
}
#navToggle {
  display: none;
  background: none;
  border: none;
  font-size: 2em;
  color: var(--primary-navy);
  cursor: pointer;
  margin-right: 10px;
}

main {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 20px 20px 20px;
}

.profile-img {
  display: block;
  margin: 0 auto 20px auto;
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow);
  border: 4px solid var(--primary-orange);
  background: var(--neutral-light);
}

h1 {
  text-align: center;
  font-size: 2.1em;
  margin-bottom: 10px;
  color: var(--primary-orange);
}

.subtitle {
  text-align: center;
  font-size: 1.1em;
  color: var(--primary-navy);
  margin-bottom: 18px;
}

.about-text {
  text-align: center;
  font-size: 1.14em;
  color: var(--primary-navy);
  margin-bottom: 38px;
}

section {
  margin-bottom: 50px;
}

h2 {
  font-size: 1.25em;
  color: var(--primary-orange);
  margin-bottom: 18px;
  text-align: left;
}

.skills-list {
  display: grid;
  gap: 12px;
  padding-left: 20px;
  font-size: 1.12em;
}

.education-list {
  display: grid;
  gap: 14px;
  padding-left: 10px;
  font-size: 1.11em;
}
.edu-item {
  background: var(--neutral-light);
  border-radius: 8px;
  padding: 10px 14px;
}
.edu-title {
  font-weight: 600;
  color: var(--primary-navy);
}
.edu-desc {
  color: var(--primary-orange);
  font-size: .98em;
  margin-left: 8px;
}

.projects-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
}

.project-card {
  background: var(--neutral-light);
  border-radius: var(--card-radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: background var(--transition);
  display: flex;
  flex-direction: column;
}
.project-title {
  font-size: 1.12em;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary-navy);
}
.project-desc {
  font-size: 1em;
  margin: 0 0 10px 0;
  color: #444;
}
.project-link {
  align-self: flex-end;
  background: var(--primary-orange);
  color: var(--neutral-bg);
  border: none;
  padding: 7px 16px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 500;
  font-size: .98em;
  transition: background var(--transition);
}
.project-link:hover {
  background: var(--primary-navy);
  color: var(--primary-orange);
}

.blog-featured {
  margin-bottom: 30px;
}
.blog-featured .blog-post {
  background: var(--primary-navy);
  color: var(--primary-orange);
  border-radius: var(--card-radius);
  padding: 20px;
  box-shadow: var(--shadow);
  cursor: pointer;
}
.blog-featured .blog-title {
  font-size: 1.16em;
  color: var(--primary-orange);
  margin-bottom: 5px;
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.blog-post {
  background: var(--neutral-light);
  border-radius: var(--card-radius);
  padding: 18px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background var(--transition);
}
.blog-title {
  font-size: 1.1em;
  color: var(--primary-navy);
  font-weight: 600;
  margin-bottom: 5px;
}
.blog-category {
  display: inline-block;
  background: var(--primary-orange);
  color: var(--neutral-bg);
  padding: 2px 8px;
  border-radius: 7px;
  font-size: .88em;
  margin-bottom: 8px;
}
.blog-content {
  font-size: .98em;
  color: var(--primary-navy);
  max-height: 36px;
  overflow: hidden;
  text-overflow: ellipsis;
}

#contactForm {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--neutral-light);
  padding: 22px;
  border-radius: var(--card-radius);
}
#contactForm input, #contactForm textarea {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px;
  font-size: 1em;
  background: var(--neutral-bg);
}
#contactForm button {
  background: var(--primary-orange);
  color: var(--neutral-bg);
  border: none;
  padding: 10px;
  border-radius: 8px;
  font-size: 1.07em;
  cursor: pointer;
  transition: background var(--transition);
}
#contactForm button:hover {
  background: var(--primary-navy);
  color: var(--primary-orange);
}
#contactMsg {
  margin-top: 6px;
  font-size: 1em;
  color: var(--primary-navy);
}

footer {
  background: var(--primary-navy);
  padding: 28px 0 15px 0;
  text-align: center;
  font-size: 1em;
  margin-top: 50px;
  border-top: 2px solid var(--primary-orange);
  color: var(--neutral-bg);
}

.footer-menu, .footer-links {
  margin-bottom: 10px;
}
.footer-menu a, .footer-links a {
  color: var(--primary-orange);
  text-decoration: none;
  margin: 0 4px;
  font-weight: 500;
  transition: color var(--transition);
}
.footer-menu a:hover, .footer-links a:hover {
  color: var(--neutral-bg);
}

.footer-copy {
  color: #e6eaf0;
  font-size: .98em;
}

/* Modal for blog */
.modal {
  display: none;
  position: fixed;
  z-index: 99;
  left: 0; top: 0;
  width: 100vw; height: 100vh;
  background: rgba(30,58,95,0.85);
  justify-content: center;
  align-items: center;
}
.modal-content {
  background: var(--neutral-bg);
  color: var(--primary-navy);
  padding: 34px 22px 22px 22px;
  border-radius: var(--card-radius);
  max-width: 400px;
  width: 95%;
  position: relative;
  box-shadow: var(--shadow);
}
.close {
  position: absolute;
  top: 12px; right: 18px;
  font-size: 1.7em;
  cursor: pointer;
  color: var(--primary-orange);
}

@media (max-width: 700px) {
  header, main {
    padding-left: 10px;
    padding-right: 10px;
  }
  nav ul {
    flex-direction: column;
    display: none;
    gap: 0;
    position: absolute;
    top: 60px; right: 10px;
    background: var(--primary-navy);
    padding: 12px 0;
    border-radius: 12px;
    box-shadow: var(--shadow);
    min-width: 180px;
  }
  nav ul.nav-open {
    display: flex;
  }
  nav a, #darkModeToggle {
    color: var(--neutral-bg);
    padding: 12px 18px;
  }
  #navToggle {
    display: block;
  }
  .profile-img {
    width: 70px;
    height: 70px;
  }
  .project-card, .blog-post, #contactForm {
    padding: 10px;
  }
  .modal-content {
    max-width: 98vw;
    padding: 20px 8px 12px 8px;
  }
}

/* --------- Dark Mode ----------- */
body.dark {
  background: #181818;
  color: #F6F9FB;
}
body.dark header, body.dark main, body.dark footer {
  background: #222;
  color: #F6F9FB;
}
body.dark nav a, body.dark .footer-menu a, body.dark .footer-links a {
  color: #FF9F40;
}
body.dark .project-card,
body.dark .blog-post,
body.dark #contactForm,
body.dark .edu-item {
  background: #232323;
  color: #F6F9FB;
}
body.dark .project-link {
  background: #FF9F40;
  color: #222;
}
body.dark .project-link:hover {
  background: #222;
  color: #FF9F40;
}
body.dark .blog-featured .blog-post {
  background: #FF9F40;
  color: #232323;
}
body.dark .modal-content {
  background: #232323;
  color: #F6F9FB;
}
body.dark .close {
  color: #FF9F40;
}
body.dark .footer-copy {
  color: #bbb;
}