/* ===== CSS Custom Properties ===== */
:root {
  --bg: #0a0a0a;
  --bg-card: rgba(0, 255, 136, 0.02);
  --green: #00ff88;
  --green-dim: rgba(0, 255, 136, 0.6);
  --green-glow: rgba(0, 255, 136, 0.15);
  --green-border: rgba(0, 255, 136, 0.15);
  --green-border-hover: rgba(0, 255, 136, 0.4);
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.4);
  --text-muted: rgba(255, 255, 255, 0.3);
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  --max-width: 900px;
  --nav-height: 60px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* ===== Grid Background ===== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0, 255, 136, 0.018) 40px, rgba(0, 255, 136, 0.018) 41px),
    repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(0, 255, 136, 0.018) 40px, rgba(0, 255, 136, 0.018) 41px);
  pointer-events: none;
  z-index: 0;
}

/* ===== Scan Line ===== */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.06), transparent);
  animation: scanline 8s linear infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes scanline {
  0% { top: -2px; }
  100% { top: 100vh; }
}

/* ===== Selection ===== */
::selection {
  background: rgba(0, 255, 136, 0.25);
  color: #fff;
}

a {
  color: var(--green);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.08);
  transition: border-color 0.3s;
}

.nav.scrolled {
  border-bottom-color: rgba(0, 255, 136, 0.2);
}

.nav-logo {
  color: var(--green);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--green);
  opacity: 1;
}

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

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Sections ===== */
section {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

/* ===== Command Prompt ===== */
.prompt {
  color: var(--green);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prompt::before {
  content: '$';
  opacity: 0.6;
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--green);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
  margin-left: 2px;
}

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

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
}

.hero-prompt {
  color: var(--green-dim);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero h1 .typed-text {
  display: inline;
}

.hero h1 .hero-cursor {
  display: inline-block;
  width: 3px;
  height: 52px;
  background: var(--green);
  animation: blink 1s step-end infinite;
  vertical-align: bottom;
  margin-left: 4px;
}

.hero-subtitle {
  color: var(--text-dim);
  font-size: 15px;
  letter-spacing: 1px;
  margin-top: 8px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
}

.hero-glow-1 {
  width: 300px;
  height: 300px;
  background: rgba(0, 255, 136, 0.04);
  top: 20%;
  right: -50px;
}

.hero-glow-2 {
  width: 200px;
  height: 200px;
  background: rgba(0, 255, 136, 0.03);
  bottom: 30%;
  left: -30px;
}

/* ===== About ===== */
.about-content {
  border: 1px solid var(--green-border);
  border-radius: 8px;
  padding: 28px;
  background: var(--bg-card);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  line-height: 1.8;
}

/* ===== Projects ===== */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.project-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.project-card {
  border: 1px solid var(--green-border);
  border-radius: 8px;
  padding: 24px;
  background: var(--bg-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.project-card-link:hover .project-card {
  border-color: var(--green-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.06);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.project-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 1px;
}

.project-badge {
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.25);
  border-radius: 4px;
  padding: 3px 10px;
  color: var(--green);
  font-size: 10px;
  letter-spacing: 2px;
  font-weight: 600;
  white-space: nowrap;
}

.project-badge.dev {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

.project-desc {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 16px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-tag {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 4px 10px;
  color: var(--text-muted);
  font-size: 11px;
}

.project-links {
  display: flex;
  gap: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 255, 136, 0.08);
}

.project-links a {
  color: var(--green);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s;
  position: relative;
  z-index: 1;
}

.project-links a::before {
  content: '\2192';
}

.project-links a:hover {
  opacity: 0.7;
}

/* ===== Other Repos ===== */
.repos-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.repo-item {
  border: 1px solid var(--green-border);
  border-radius: 6px;
  padding: 18px 24px;
  background: var(--bg-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.3s;
}

.repo-item:hover {
  border-color: var(--green-border-hover);
}

.repo-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.repo-name {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.repo-desc {
  color: var(--text-dim);
  font-size: 12px;
}

.repo-lang {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 3px 8px;
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
}

.repo-link {
  color: var(--green);
  font-size: 12px;
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: 60px 24px 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.footer .prompt {
  justify-content: center;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 12px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--green);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.15);
  font-size: 11px;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 20px;
    border-bottom: 1px solid var(--green-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .hero h1 {
    font-size: 32px;
    letter-spacing: 2px;
  }

  .hero h1 .hero-cursor {
    height: 32px;
  }

  .hero-subtitle {
    font-size: 13px;
  }

  section {
    padding: 60px 16px;
  }

  .project-header {
    flex-direction: column;
    gap: 8px;
  }

  .project-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .repo-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .repo-info {
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 26px;
  }

  .hero h1 .hero-cursor {
    height: 26px;
  }

  .nav-logo {
    font-size: 15px;
  }
}