:root {
  --bg-color: white;
  --text-color: #1e293b;
  --dark-blue: #213555;
  --light-blue: #3e5879;
  --sections-color: #f5efe7;
  --sections-color-alt: #e8ded2;
  --tags-color: #d8c4b6;
  --cards: white;
  --cards-accent: #213555;
  --cards-accent-highlight: #3e5879;
  --cards-border: rgba(0, 0, 0, 0.1);
  --nav-bg: rgba(255, 255, 255, 0.22);
  --nav-border: rgba(255, 255, 255, 0.4);
  --nav-link-color: #1b365d;
  --hero-h1: #213555;
  --hero-h2: #3e5879;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --shadow-color-hover: rgba(0, 0, 0, 0.15);
}

.dark {
  --bg-color: #0f172a;
  --text-color: #e2e8f0;
  --dark-blue: #60a5fa;
  --light-blue: #93c5fd;
  --sections-color: #1e293b;
  --sections-color-alt: #334155;
  --tags-color: #475569;
  --cards: #1e293b;
  --cards-accent: #60a5fa;
  --cards-accent-highlight: #93c5fd;
  --cards-border: rgba(96, 165, 250, 0.2);
  --nav-bg: rgba(30, 41, 59, 0.8);
  --nav-border: rgba(71, 85, 105, 0.4);
  --nav-link-color: #e2e8f0;
  --hero-h1: #60a5fa;
  --hero-h2: #93c5fd;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --shadow-color-hover: rgba(0, 0, 0, 0.6);
}

.dark .gradient-background {
  background: linear-gradient(300deg, #1e3a5f, #000000, #2d4356);
  background-size: 180% 180%;
  animation: gradient-animation 18s ease infinite;
}

.gradient-background {
  background: linear-gradient(300deg, #3e5879, #d8c4b6, #213555);
  background-size: 180% 180%;
  animation: gradient-animation 18s ease infinite;
}

@keyframes gradient-animation {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  background-color: var(--bg-color);
  margin: 0;
  transition: background-color 0.3s ease;
}

body p {
  color: var(--text-color);
}

.logo {
  font-size: 1.5rem;
  letter-spacing: 16px;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.c-letter {
  color: var(--dark-blue);
}

.p-letter {
  color: var(--light-blue);
}

.noto-sans-logo {
  font-family: "Noto Sans", sans-serif;
  font-optical-sizing: auto;
  font-weight: bold;
  font-style: normal;
}

.dark-mode-toggle {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--cards-accent);
  border: 2px solid var(--cards-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--shadow-color);
  transition: all 0.3s ease;
  z-index: 999;
}

.dark-mode-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px var(--shadow-color-hover);
}

.dark-mode-toggle svg {
  width: 24px;
  height: 24px;
  fill: white;
  transition: transform 0.3s ease;
}

.dark-mode-toggle:hover svg {
  transform: rotate(20deg);
}

.sun-icon {
  display: block;
}

.moon-icon {
  display: none;
}

.dark .sun-icon {
  display: none;
}

.dark .moon-icon {
  display: block;
}

.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.glass-nav-inner {
  max-width: 1200px;
  margin: 15px auto;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 24px;
  border: 1px solid var(--nav-border);
  box-shadow: 0 12px 32px var(--shadow-color);
  transition: all 0.3s ease;
}

.glass-nav-inner a {
  text-decoration: none;
}

.glass-nav-inner:hover {
  box-shadow: 0 16px 40px var(--shadow-color-hover);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--nav-link-color);
  position: relative;
  transition: color 0.3s ease, transform 0.2s ease;
  padding: 6px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--dark-blue), var(--light-blue));
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--dark-blue);
  transform: translateY(-1px);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--dark-blue);
  font-weight: 600;
}

.nav-links a.active::after {
  width: 100%;
  height: 3px;
}

@media (max-width: 992px) {
  .glass-nav-inner {
    max-width: 95%;
    padding: 12px 24px;
  }

  .nav-links {
    gap: 1.5rem;
  }

  .nav-links a {
    font-size: 0.88rem;
  }
}

@media (max-width: 768px) {
  .glass-nav-inner {
    padding: 10px 18px;
    border-radius: 0 0 20px 20px;
    margin: 0;
  }

  .glass-nav {
    top: 0;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.85rem;
  }

  .dark-mode-toggle {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}

@media (max-width: 640px) {
  .glass-nav-inner {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 14px 18px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem 1.2rem;
  }

  .hero {
    padding-top: 7.5rem;
  }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
  }

  .hero-image {
    height: 200px;
    width: 200px;
  }

  #column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .grid {
    display: grid;
    grid-template-columns: 1fr;
    row-gap: 20px;
  }

  .grid img {
    margin: 0 auto;
    width: 100%;
    max-width: 200px;
    height: auto;
  }

  .about .about-text {
    text-align: center;
    padding-left: 0;
  }
}

.duru-sans-regular {
  font-family: "Duru Sans", sans-serif;
  font-weight: 470;
  font-style: normal;
}

.slabo-27px-regular {
  font-family: "Slabo 27px", serif;
  font-weight: 400;
  font-style: normal;
}

h1 {
  color: var(--hero-h1);
  transition: color 0.3s ease;
}

h2 {
  font-family: "Slabo 27px", serif;
  text-align: center;
  color: var(--hero-h2);
  transition: color 0.3s ease;
}

#Subtitle {
  text-align: left;
}

p {
  font-family: "Slabo 27px", serif;
  font-size: large;
}

.hero {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  padding: 5.5rem 2rem 2rem;
  min-height: 100vh;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
}

.hero-content h1 {
  font-size: 3rem;
  margin: 0;
}

.hero-content h2 {
  font-size: 2.5rem;
  margin: 0;
}

.hero-content p {
  font-size: 1.1rem;
  line-height: 1.6;
}

.button {
  background-color: var(--cards-accent);
  color: white;
  padding: 0.75rem 0.75rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  width: fit-content;
  text-decoration: none;
  font-size: 0.8rem;
  transition: background-color 0.3s ease;
}

.hero-image {
  border-radius: 50%;
}

.skills {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-flow: column;
  background-color: var(--bg-color);
  transition: background-color 0.3s ease;
}

.skills p {
  display: flex;
  justify-content: center;
  align-content: center;
}

.skills svg {
  padding-right: 3px;
  fill: var(--text-color);
  transition: fill 0.3s ease;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.container p {
  text-align: center;
  font-size: large;
  line-height: 2;
}

section {
  padding: 50px;
}

.projects {
  background-color: var(--sections-color);
  padding: 50px 20px;
  transition: background-color 0.3s ease;
}

.projects h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.projects-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.project-card {
  background: var(--cards);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--cards-border);
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease,
    background-color 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 350px;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px var(--shadow-color-hover);
  border-color: var(--cards-accent);
}

.project-card .card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
}

.project-card h3 {
  color: var(--cards-accent);
  margin: 0 0 1rem 0;
  font-family: "Duru Sans", sans-serif;
  text-align: center;
  transition: color 0.3s ease;
}

.project-card p {
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  text-align: center;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.project-tags .tag {
  background: var(--tags-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--cards-accent);
  font-family: "Duru Sans", sans-serif;
  transition: all 0.3s ease;
}

.project-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: auto;
}

.project-link {
  color: var(--cards-accent);
  text-decoration: none;
  font-family: "Duru Sans", sans-serif;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

.project-link svg {
  fill: var(--cards-accent);
  transition: fill 0.3s ease;
}

.project-link:hover {
  color: var(--cards-accent-highlight);
}

.project-link:hover svg {
  fill: var(--cards-accent-highlight);
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .projects-intro {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .project-card {
    min-height: auto;
  }

  .project-links {
    flex-direction: row;
    gap: 2rem;
    align-content: center;
  }
}

.about {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-content: center;
  line-height: 2;
  background-color: var(--bg-color);
  transition: background-color 0.3s ease;
}

.grid {
  display: grid;
  grid-template-columns: 200px minmax(auto, 800px);
  grid-template-rows: 1fr 1fr 1fr;
  row-gap: 30px;
  text-align: left;
}

.grid p {
  text-align: left;
  padding-left: 30px;
}

.container img {
  border-radius: 20%;
}

.contact-me {
  background-color: var(--bg-color);
  transition: background-color 0.3s ease;
}

.contact-me p {
  text-align: center;
  line-height: 2;
}

footer {
  text-align: center;
  padding-top: 30px;
  padding-bottom: 10px;
  color: var(--text-color);
}

#social {
  padding-bottom: 10px;
}

svg {
  fill: var(--cards-accent);
  transition: fill 0.3s ease;
}

#social a {
  padding-right: 10px;
  padding-left: 10px;
}

.hover:hover {
  fill: var(--cards-accent-highlight);
}

#button-hover:hover {
  background-color: var(--cards-accent-highlight);
}

.tracking-in-expand {
  -webkit-animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.61, 0.355, 1)
    both;
  animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.61, 0.355, 1) both;
}

@-webkit-keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}

@keyframes tracking-in-expand {
  0% {
    letter-spacing: -0.5em;
    opacity: 0;
  }
  40% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}

.homelab {
  background-color: var(--sections-color);
  padding: 50px 20px;
  transition: background-color 0.3s ease;
}

.homelab h2 {
  text-align: center;
  margin-bottom: 1rem;
}

.homelab-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem auto;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.homelab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.homelab-card {
  background: var(--cards);
  padding: 2rem;
  border-radius: 10px;
  border: 1px solid var(--cards-border);
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease,
    background-color 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  min-height: 410px;
}

.homelab-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 24px var(--shadow-color-hover);
  border-color: var(--cards-accent);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
}

.homelab-card h3 {
  color: var(--cards-accent);
  margin: 0 0 1rem 0;
  font-family: "Duru Sans", sans-serif;
  text-align: center;
  transition: color 0.3s ease;
}

.homelab-card p {
  color: var(--text-color);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
  text-align: center;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.homelab-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.homelab-tags .tag {
  background: var(--tags-color);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--cards-accent);
  font-family: "Duru Sans", sans-serif;
  transition: all 0.3s ease;
}

.homelab-link {
  color: var(--cards-accent);
  text-decoration: none;
  font-family: "Duru Sans", sans-serif;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
  align-self: center;
}

.homelab-link:hover {
  color: var(--cards-accent-highlight);
}

.homelab-card .project-link {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .homelab-grid {
    grid-template-columns: 1fr;
  }

  .homelab-intro {
    font-size: 1rem;
    padding: 0 1rem;
  }
}

.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-section.delay-1 {
  transition-delay: 0.2s;
}

.fade-in-section.delay-2 {
  transition-delay: 0.4s;
}