@import url("https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap");

:root {
  /* Constant Base Palettes */
  --nes-black: #1a1a2e;
  --nes-dark-blue: #16213e;
  --nes-blue: #0f3460;
  --nes-purple: #533483;
  --nes-pink: #e94560;
  --nes-red: #c73b3b;
  --nes-orange: #e96c3a;
  --nes-yellow: #f7c948;
  --nes-green: #4caf50;
  --nes-cyan: #00d9ff;
  --nes-white: #f0f0f0;
  --nes-gray: #6b6b6b;
  --pixel-border: 4px;

  /* Theme variables (Default: Dark Mode) */
  --bg-color: var(--nes-black);
  --card-bg: var(--nes-dark-blue);
  --text-color: var(--nes-white);
  --primary-color: var(--nes-pink);
  --secondary-color: var(--nes-blue);
  --border-color: var(--nes-blue);
  --inner-border: var(--nes-purple);
  --accent-color: var(--nes-cyan);
  --highlight-color: var(--nes-yellow);
  --shadow-color: rgba(0, 0, 0, 0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  font-family: "Press Start 2P", cursive;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8;
  min-height: 100vh;
  transition: background-color 0.2s, color 0.2s;
}

::selection {
  background-color: var(--primary-color);
  color: var(--bg-color);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.1s;
}

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

h1, h2, h3 {
  color: var(--highlight-color);
  text-shadow: 3px 3px 0 var(--shadow-color);
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.5rem;
  line-height: 1.4;
}

h2 {
  font-size: 1rem;
}

h3 {
  font-size: 0.75rem;
}

p {
  font-size: 0.625rem;
  margin-bottom: 1rem;
}

.pixel-box {
  background-color: var(--card-bg);
  border: none;
  position: relative;
  transition: background-color 0.2s;
}

.pixel-box::before {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow:
    inset calc(var(--pixel-border) * -1) calc(var(--pixel-border) * -1) 0 0 var(--border-color),
    inset var(--pixel-border) var(--pixel-border) 0 0 var(--inner-border);
  pointer-events: none;
}

.pixel-box-inset {
  box-shadow:
    inset var(--pixel-border) var(--pixel-border) 0 0 var(--border-color),
    inset calc(var(--pixel-border) * -1) calc(var(--pixel-border) * -1) 0 0 var(--inner-border);
}

.pixel-border {
  box-shadow:
    0 0 0 var(--pixel-border) var(--border-color),
    calc(var(--pixel-border) * 2) 0 0 0 var(--border-color),
    0 calc(var(--pixel-border) * 2) 0 0 var(--border-color),
    calc(var(--pixel-border) * 2) calc(var(--pixel-border) * 2) 0 0 var(--border-color),
    calc(var(--pixel-border) * 4) 0 0 0 var(--border-color),
    0 calc(var(--pixel-border) * 4) 0 0 var(--border-color),
    calc(var(--pixel-border) * 4) calc(var(--pixel-border) * 4) 0 0 var(--border-color);
}

.btn {
  font-family: inherit;
  font-size: 0.625rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  border: none;
  cursor: pointer;
  position: relative;
  text-transform: uppercase;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow:
    inset calc(var(--pixel-border) * -1) calc(var(--pixel-border) * -1) 0 0 var(--border-color),
    inset var(--pixel-border) var(--pixel-border) 0 0 var(--inner-border);
}

.btn:hover {
  background-color: var(--inner-border);
}

.btn:active {
  transform: translate(2px, 2px);
}

.btn:active::before {
  box-shadow:
    inset calc(var(--pixel-border) * -1) calc(var(--pixel-border) * -1) 0 0 var(--inner-border),
    inset var(--pixel-border) var(--pixel-border) 0 0 var(--border-color);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--nes-red);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
}

.nav {
  background-color: var(--card-bg);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color 0.2s;
}

.nav::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--pixel-border);
  background-color: var(--border-color);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
}

.nav-logo {
  font-size: 0.75rem;
  color: var(--highlight-color);
  text-shadow: 2px 2px 0 var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-link {
  font-size: 0.625rem;
  color: var(--text-color);
  text-transform: uppercase;
}

.nav-link:hover,
.nav-link.active {
  color: var(--highlight-color);
}

.hero {
  padding: 4rem 1rem;
  text-align: center;
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--bg-color) 100%);
}

.hero-title {
  font-size: 2rem;
  color: var(--accent-color);
  text-shadow: 4px 4px 0 var(--inner-border);
  margin-bottom: 1.5rem;
  animation: blink 1s step-end infinite;
}

.hero-subtitle {
  font-size: 0.75rem;
  color: var(--text-color);
  margin-bottom: 2rem;
}

.hero-tags {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tag {
  background-color: var(--inner-border);
  padding: 0.5rem 1rem;
  font-size: 0.5rem;
  color: var(--highlight-color);
}

.section {
  padding: 3rem 1rem;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.section-title::after {
  content: "////////////////////////";
  display: block;
  color: var(--border-color);
  font-size: 0.5rem;
  margin-top: 0.5rem;
  overflow: hidden;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background-color: var(--card-bg);
  padding: 1.5rem;
  position: relative;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--pixel-border);
  background-color: var(--accent-color);
}

.project-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--pixel-border);
  background-color: var(--primary-color);
}

.project-title {
  color: var(--accent-color);
  margin-bottom: 0.75rem;
}

.project-tech {
  font-size: 0.5rem;
  color: var(--nes-green);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.project-desc {
  font-size: 0.5rem;
  color: var(--text-color);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  font-size: 0.5rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
}

.project-link:hover {
  background-color: var(--inner-border);
  color: var(--highlight-color);
}

.contact-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.625rem;
  color: var(--highlight-color);
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-color);
  border: var(--pixel-border) solid var(--card-bg);
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.625rem;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow:
    0 0 0 var(--pixel-border) var(--accent-color),
    calc(var(--pixel-border) * 2) 0 0 0 var(--accent-color),
    0 calc(var(--pixel-border) * 2) 0 0 var(--accent-color),
    calc(var(--pixel-border) * 2) calc(var(--pixel-border) * 2) 0 0 var(--accent-color);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.avatar {
  width: 120px;
  height: 120px;
  background-color: var(--inner-border);
  margin: 0 auto 2rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar::before {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow:
    inset calc(var(--pixel-border) * -1) calc(var(--pixel-border) * -1) 0 0 var(--primary-color),
    inset var(--pixel-border) var(--pixel-border) 0 0 var(--accent-color);
}

.avatar-face {
  font-size: 4rem;
  color: var(--highlight-color);
}

.info-list {
  list-style: none;
  margin: 1.5rem 0;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.625rem;
}

.info-icon {
  width: 40px;
  height: 40px;
  background-color: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.cv-link {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 1rem 2rem;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 0.625rem;
  text-transform: uppercase;
}

.cv-link:hover {
  background-color: var(--nes-red);
  color: #fff;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.pixel-decoration {
  position: relative;
}

.pixel-decoration::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: var(--highlight-color);
  animation: bounce 0.5s ease-in-out infinite;
}

.cursor-blink::after {
  content: "_";
  animation: blink 0.8s step-end infinite;
}

@media (max-width: 600px) {
  h1 { font-size: 1rem; }
  h2 { font-size: 0.75rem; }

  .nav-inner {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-title {
    font-size: 1.25rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }
}

/* Clean layout utilities & classes */
.p-2 { padding: 2rem; }
.p-3 { padding: 3rem; }
.text-center { text-align: center; }
.text-cyan { color: var(--accent-color); }
.text-yellow { color: var(--highlight-color); }
.text-gray { color: var(--nes-gray); }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.ml-1 { margin-left: 1rem; }
.mr-1 { margin-right: 1rem; }
.w-full { width: 100%; }

.bio-text {
  font-size: 0.625rem;
  line-height: 2;
}

.decorations-container {
  text-align: center;
  margin-bottom: 1rem;
}

.btn-container {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.cv-link-group {
  margin-top: 0 !important;
}

.btn-secondary-link {
  background-color: var(--secondary-color) !important;
}

/* Custom pure CSS Heart icon */
.pixel-heart {
  display: inline-block;
  width: calc(4px * 3);
  height: calc(4px * 3);
  background: var(--nes-pink);
  box-shadow:
    calc(4px * -1) 0 0 var(--nes-pink),
    calc(4px * 4) 0 0 var(--nes-pink),
    calc(4px * -2) 4px 0 var(--nes-pink),
    calc(4px * 5) 4px 0 var(--nes-pink),
    calc(4px * -1) calc(4px * 2) 0 var(--nes-pink),
    calc(4px * 4) calc(4px * 2) 0 var(--nes-pink),
    0 calc(4px * 3) 0 var(--nes-pink),
    calc(4px * 3) calc(4px * 3) 0 var(--nes-pink),
    4px calc(4px * 4) 0 var(--nes-pink),
    calc(4px * 2) calc(4px * 4) 0 var(--nes-pink);
  animation: bounce 1.5s ease-in-out infinite;
}

/* Custom pure CSS Star icon */
.pixel-star {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--highlight-color);
  box-shadow:
    calc(4px * -1) 4px 0 var(--highlight-color),
    calc(4px * 2) 4px 0 var(--highlight-color),
    calc(4px * -2) calc(4px * 2) 0 var(--highlight-color),
    calc(4px * -1) calc(4px * 2) 0 var(--highlight-color),
    0 calc(4px * 2) 0 var(--highlight-color),
    4px calc(4px * 2) 0 var(--highlight-color),
    calc(4px * 2) calc(4px * 2) 0 var(--highlight-color),
    calc(4px * -1) calc(4px * 3) 0 var(--highlight-color),
    calc(4px * 2) calc(4px * 3) 0 var(--highlight-color),
    4px calc(4px * 4) 0 var(--highlight-color);
  animation: float 2s ease-in-out infinite;
}

/* Loading bar animation */
.loading-bar {
  width: 100%;
  height: 4px;
  background-color: var(--secondary-color);
  margin: 1rem 0;
  overflow: hidden;
}

.loading-bar::after {
  content: "";
  display: block;
  width: 30%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-color), var(--highlight-color), var(--accent-color));
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

/* Alert boxes */
.alert-box {
  padding: 1rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.alert-success {
  border: 4px solid var(--nes-green) !important;
  color: var(--nes-green) !important;
}

.alert-error {
  border: 4px solid var(--nes-red) !important;
  color: var(--nes-red) !important;
}