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

:root {
  --green: #00ff88;
  --green-dim: #00cc66;
  --green-glow: rgba(0,255,136,0.12);
  --green-glow2: rgba(0,255,136,0.25);
  --bg: #070d07;
  --bg2: #0c140c;
  --bg3: #111a11;
  --border: #1a2e1a;
  --border2: #243824;
  --text: #a8c8a8;
  --text-bright: #d4ecd4;
  --muted: #4a6a4a;
  --white: #e8f5e9;
  --red: #ff4444;
  --yellow: #ffcc00;
  --font: 'JetBrains Mono', 'Share Tech Mono', 'Courier New', monospace;
}

html { scroll-behavior: smooth; font-size: 15px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.75;
  overflow-x: hidden;
  cursor: default;
}

/* ===== SCANLINES & NOISE ===== */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: -50%;
  z-index: 9998;
  width: 200%;
  height: 200%;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  animation: noiseAnim 0.5s steps(2) infinite;
}

@keyframes noiseAnim {
  0% { transform: translate(0,0); }
  25% { transform: translate(-2%, 2%); }
  50% { transform: translate(2%, -2%); }
  75% { transform: translate(-1%, 1%); }
  100% { transform: translate(1%, -1%); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }

/* ===== SELECTION ===== */
::selection { background: var(--green-glow2); color: var(--green); }

/* ===== TYPOGRAPHY HELPERS ===== */
.green { color: var(--green); }
.dim { color: var(--muted); }
.prompt { color: var(--green); font-weight: 700; }

/* ===== CURSOR BLINK ===== */
.cursor-blink {
  color: var(--green);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: rgba(7,13,7,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

#navbar.scrolled {
  padding: 0.7rem 2.5rem;
  border-bottom-color: var(--green-dim);
  box-shadow: 0 0 30px rgba(0,255,136,0.05);
}

.nav-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.05em;
}
.nav-name { color: var(--green); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.2s;
  letter-spacing: 0.05em;
}
.nav-links a:hover { color: var(--green); }
.nav-links a .dim { color: var(--border2); }
.nav-links a:hover .dim { color: var(--green-dim); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--green);
  transition: all 0.3s;
}

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 6rem 2.5rem 3rem;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,255,136,0.06) 0%, transparent 70%);
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -5%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,255,136,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { max-width: 800px; width: 100%; }

/* Boot Lines */
.boot-lines {
  margin-bottom: 2rem;
  opacity: 1;
  transition: opacity 0.5s;
}
.boot-line {
  color: var(--muted);
  font-size: 0.78rem;
  opacity: 0;
  animation: fadeInLine 0.3s forwards;
}
.boot-line:nth-child(1) { animation-delay: 0.2s; }
.boot-line:nth-child(2) { animation-delay: 0.7s; }
.boot-line:nth-child(3) { animation-delay: 1.2s; }
.boot-line:nth-child(4) { animation-delay: 1.7s; color: var(--green); }

@keyframes fadeInLine {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Hero Main */
.hero-main {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.hero-main.visible { opacity: 1; transform: translateY(0); }

.hero-label {
  font-size: 0.78rem;
  color: var(--green-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  border-left: 2px solid var(--green);
  padding-left: 0.75rem;
}

.hero-name {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  text-shadow: 0 0 40px rgba(0,255,136,0.2);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1rem;
  color: var(--green);
  margin-bottom: 1.25rem;
  min-height: 1.5em;
}

.hero-location {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.icon-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  transition: color 0.2s;
}
.icon-link:hover { color: var(--green); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  font-family: var(--font);
  font-size: 0.8rem;
  text-decoration: none;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--green);
  color: var(--bg);
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--white);
  box-shadow: 0 0 20px var(--green-glow2);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover {
  background: var(--green-glow);
  box-shadow: 0 0 15px var(--green-glow);
  transform: translateY(-2px);
}

.btn-full { width: 100%; text-align: center; }

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  animation: bounce 2s ease infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}
.arrow-down { color: var(--green); }

/* ===== CONTAINER ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ===== SECTIONS ===== */
section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.section-num {
  font-size: 0.72rem;
  color: var(--green);
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-bright);
  white-space: nowrap;
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Code Window */
.code-window {
  border: 1px solid var(--border2);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg2);
  box-shadow: 0 0 30px rgba(0,255,136,0.05);
}

.code-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}

.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green-dot { background: #28c840; }

.code-filename {
  margin-left: 0.5rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.code-body {
  padding: 1.25rem 1.5rem;
  font-size: 0.8rem;
  line-height: 1.8;
  white-space: pre;
  overflow-x: auto;
}

.c-keyword { color: #ff79c6; }
.c-var { color: #f8f8f2; }
.c-key { color: #66d9ef; }
.c-str { color: var(--green); }

/* About Text */
.about-text p {
  margin-bottom: 1rem;
  font-size: 0.88rem;
  color: var(--text);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ===== SKILLS ===== */
#skills { background: var(--bg2); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.skill-category {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  background: var(--bg3);
  transition: border-color 0.3s;
}
.skill-category:hover { border-color: var(--border2); }

.skill-cat-header {
  font-size: 0.78rem;
  color: var(--green-dim);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tag {
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  border: 1px solid var(--border2);
  border-radius: 3px;
  color: var(--text);
  background: var(--bg2);
  transition: all 0.2s;
}
.tag:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

.tag-learning {
  border-color: rgba(0,255,136,0.3);
  color: var(--green-dim);
  animation: pulse-tag 2s ease infinite;
}

@keyframes pulse-tag {
  0%,100% { box-shadow: none; }
  50% { box-shadow: 0 0 8px var(--green-glow2); }
}

.learning-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--border2);
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--muted);
}
.learning-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* ===== PROJECTS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.75rem;
  background: var(--bg2);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.3s;
}

.project-card:hover { border-color: var(--border2); transform: translateY(-3px); }
.project-card:hover::before { background: var(--green); }

.project-card.featured { border-color: rgba(0,255,136,0.2); }
.project-card.featured::before { background: var(--green); }

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-tag {
  font-size: 0.68rem;
  color: var(--green-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.project-links { display: flex; gap: 0.75rem; }

.proj-link {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}
.proj-link:hover { color: var(--green); }

.project-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--text);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.project-problem {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg3);
  border-left: 2px solid var(--border2);
  border-radius: 0 3px 3px 0;
}

.project-stack { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.stack-tag {
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  background: var(--green-glow);
  border: 1px solid rgba(0,255,136,0.2);
  border-radius: 3px;
  color: var(--green-dim);
}

/* ===== ACHIEVEMENTS ===== */
#achievements { background: var(--bg2); }

.ach-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  width: fit-content;
}

.ach-tab {
  padding: 0.6rem 1.5rem;
  font-family: var(--font);
  font-size: 0.8rem;
  background: var(--bg3);
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.ach-tab.active, .ach-tab:hover {
  background: var(--green);
  color: var(--bg);
  font-weight: 700;
}

.ach-content { animation: fadeIn 0.3s ease; }
.hidden { display: none; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 1.5rem; }

.timeline-item {
  display: flex;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg3);
  transition: border-color 0.3s;
}
.timeline-item:hover { border-color: var(--border2); }

.timeline-marker {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 2.5rem;
  text-align: center;
}

.timeline-body { flex: 1; }

.timeline-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.timeline-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
}

.timeline-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
}
.win-badge { background: rgba(0,255,136,0.15); color: var(--green); border: 1px solid rgba(0,255,136,0.3); }
.finalist-badge { background: rgba(255,204,0,0.1); color: var(--yellow); border: 1px solid rgba(255,204,0,0.3); }
.part-badge { background: rgba(100,150,100,0.1); color: var(--muted); border: 1px solid var(--border2); }

.timeline-desc {
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.timeline-org {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* Certificates */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.cert-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  background: var(--bg3);
  transition: all 0.3s;
}
.cert-card:hover {
  border-color: rgba(0,255,136,0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,255,136,0.05);
}

.cert-icon { font-size: 1.5rem; margin-bottom: 0.75rem; }

.cert-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.3rem;
}

.cert-issuer {
  font-size: 0.72rem;
  color: var(--green-dim);
  margin-bottom: 0.5rem;
}

.cert-desc { font-size: 0.75rem; color: var(--muted); }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-intro {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  transition: all 0.2s;
}
.contact-link:hover {
  color: var(--green);
  border-bottom-color: var(--green);
  padding-left: 0.5rem;
}

.contact-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--green-dim);
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,255,136,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(0,255,136,0); }
}

/* Contact Form */
.contact-form-wrap {
  border: 1px solid var(--border2);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg2);
}

.contact-form { padding: 1.5rem; }

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.65rem 0.9rem;
  font-family: var(--font);
  font-size: 0.82rem;
  color: var(--text-bright);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus {
  border-color: var(--green-dim);
  box-shadow: 0 0 12px var(--green-glow);
}
.form-input::placeholder { color: var(--muted); }

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-success {
  font-size: 0.8rem;
  color: var(--green);
  text-align: center;
  margin-top: 0.75rem;
  padding: 0.5rem;
  background: var(--green-glow);
  border-radius: 4px;
}

/* ===== FOOTER ===== */
footer {
  padding: 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-sep { color: var(--border2); }
.footer-text { color: var(--muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr; }
  .certs-grid { grid-template-columns: repeat(2,1fr); }
  .about-stats { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 600px) {
  #navbar { padding: 1rem 1.25rem; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: var(--bg); padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); gap: 1rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  #hero { padding: 5rem 1.25rem 3rem; }
  .container { padding: 0 1.25rem; }
  .hero-btns { flex-direction: column; }
  .btn { text-align: center; }
  .certs-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2,1fr); }
  .hero-name { font-size: 3rem; }
  .projects-grid { grid-template-columns: 1fr; }
}