/* ============================================================
   PORTFOLIO — Terminal Theme
   style.css
   ============================================================ */

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

:root {
  --bg:          #0a0a0a;
  --bg2:         #111111;
  --bg3:         #181818;
  --border:      #1f2a1f;
  --green:       #00ff41;
  --green-dim:   #00cc34;
  --green-dark:  #003a0f;
  --cyan:        #00e5ff;
  --cyan-dim:    #00b8cc;
  --amber:       #ffb300;
  --red:         #ff4444;
  --text:        #c8d6c8;
  --text-dim:    #6b7f6b;
  --text-bright: #e8f0e8;
  --font-mono:   'JetBrains Mono', 'Courier New', monospace;
  --font-body:   'Inter', system-ui, sans-serif;
  --radius:      6px;
  --transition:  0.3s ease;
  --glow-green:  0 0 8px rgba(0,255,65,0.4), 0 0 20px rgba(0,255,65,0.15);
  --glow-cyan:   0 0 8px rgba(0,229,255,0.4), 0 0 20px rgba(0,229,255,0.15);
}

html { scroll-behavior: smooth; font-size: 16px; }

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

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--cyan); text-shadow: var(--glow-cyan); }

::selection { background: var(--green-dark); color: var(--green); }

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

/* ── UTILITIES ───────────────────────────────────────────── */
.accent-green  { color: var(--green); }
.accent-cyan   { color: var(--cyan); }
.accent-amber  { color: var(--amber); }
.hidden        { display: none !important; }
.prompt        { color: var(--green); font-weight: 600; }

/* ── MATRIX CANVAS ───────────────────────────────────────── */
#matrix-canvas {
  position: fixed; inset: 0;
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
}

/* ── SCANLINE ────────────────────────────────────────────── */
.scanline {
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 9999;
  animation: scanmove 8s linear infinite;
}
@keyframes scanmove {
  0%   { background-position: 0 0; }
  100% { background-position: 0 100vh; }
}

/* ── CURSOR BLINK ────────────────────────────────────────── */
.cursor-blink, .blink {
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ────────────────────────────────────────────────────────── */
/*  BOOT SCREEN                                              */
/* ────────────────────────────────────────────────────────── */
#boot-screen {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#boot-screen.fade-out { opacity: 0; visibility: hidden; }

.boot-content { width: min(520px, 90vw); }

.boot-logo {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  text-shadow: var(--glow-green);
}

#boot-log {
  font-size: 0.78rem;
  color: var(--text-dim);
  min-height: 180px;
  line-height: 1.8;
}
#boot-log .ok   { color: var(--green); }
#boot-log .warn { color: var(--amber); }
#boot-log .info { color: var(--cyan); }

.boot-progress-wrap {
  margin-top: 1.5rem;
  height: 3px;
  background: var(--bg3);
  border-radius: 2px;
  overflow: hidden;
}
.boot-progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green), var(--cyan));
  transition: width 0.1s linear;
  box-shadow: var(--glow-green);
}

/* ────────────────────────────────────────────────────────── */
/*  NAV                                                      */
/* ────────────────────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: border-color var(--transition);
}
#navbar.scrolled { border-bottom-color: var(--green-dark); }

.nav-brand {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex; align-items: center; gap: 0.3rem;
}
.nav-brand .prompt { font-size: 0.9rem; }
.nav-name { color: var(--text-bright); }

.nav-links {
  list-style: none;
  display: flex; gap: 0.25rem;
}
.nav-link {
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius);
  letter-spacing: 0.05em;
  transition: color var(--transition), background var(--transition);
}
.nav-link::before { content: './'; color: var(--green-dark); }
.nav-link:hover, .nav-link.active {
  color: var(--green);
  background: var(--green-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--green);
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 60px; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: none;
  }
  .nav-links.open { display: flex; }
}

/* ────────────────────────────────────────────────────────── */
/*  SECTIONS                                                 */
/* ────────────────────────────────────────────────────────── */
.section { position: relative; z-index: 1; padding: 6rem 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }

.section-header {
  margin-bottom: 3rem;
}
.section-prompt {
  font-size: 0.75rem;
  color: var(--green);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--text-bright);
  font-weight: 700;
  font-family: var(--font-mono);
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--green), transparent);
}

/* ── TERMINAL WINDOW ─────────────────────────────────────── */
.terminal-window {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
}
.terminal-window::before {
  content: '● ● ●';
  font-size: 0.5rem;
  letter-spacing: 0.35em;
  color: var(--text-dim);
  position: absolute;
  top: 0.75rem; left: 1rem;
}
.terminal-window .tw-content { margin-top: 0.5rem; }

/* ────────────────────────────────────────────────────────── */
/*  HERO                                                     */
/* ────────────────────────────────────────────────────────── */
.hero-section {
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding-top: 80px;
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.hero-terminal-bar {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 0.6rem 1rem;
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}
.dot {
  width: 10px; height: 10px; border-radius: 50%; display: inline-block;
}
.dot.red    { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.terminal-title { margin-left: auto; font-size: 0.7rem; }

.hero-body {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 2.5rem;
  min-height: 28rem;
}

.hero-prompt {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}
.hero-prompt .prompt { color: var(--green); }

.hero-name {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 0.75rem;
  /* Glitch animation */
  position: relative;
  animation: glitch-base 5s infinite;
}

@keyframes glitch-base {
  0%,90%,100% { transform: translate(0); }
  91%  { transform: translate(-2px, 1px); }
  92%  { transform: translate(2px, -1px); }
  93%  { transform: translate(0); }
}

.hero-name::before, .hero-name::after {
  content: attr(data-text);
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
}
.hero-name::before {
  color: var(--cyan);
  animation: glitch-before 5s infinite;
}
.hero-name::after {
  color: var(--green);
  animation: glitch-after 5s infinite;
}
@keyframes glitch-before {
  0%,89%,95%,100% { opacity: 0; transform: translate(0); }
  90% { opacity: 0.6; transform: translate(-3px, 0); clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%); }
  91% { opacity: 0; }
}
@keyframes glitch-after {
  0%,91%,96%,100% { opacity: 0; transform: translate(0); }
  92% { opacity: 0.6; transform: translate(3px, 0); clip-path: polygon(0 60%, 100% 60%, 100% 100%, 0 100%); }
  93% { opacity: 0; }
}

.hero-role {
  font-size: 1rem;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}
.hero-bio {
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 0.5rem;
  font-family: var(--font-body);
}

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 1.75rem;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: var(--green-dark);
  color: var(--green);
  border: 1px solid var(--green);
}
.btn-primary:hover {
  background: var(--green);
  color: var(--bg);
  box-shadow: var(--glow-green);
  color: var(--bg);
}
.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--cyan-dim);
}
.btn-secondary:hover {
  background: rgba(0,229,255,0.08);
  box-shadow: var(--glow-cyan);
}

/* scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fade-bob 2s ease-in-out infinite;
}
.scroll-arrow {
  width: 12px; height: 12px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg);
}
@keyframes fade-bob {
  0%,100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%      { opacity: 0.9; transform: translateX(-50%) translateY(6px); }
}

/* ────────────────────────────────────────────────────────── */
/*  ABOUT                                                    */
/* ────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.about-text { font-size: 0.85rem; font-family: var(--font-body); color: var(--text); line-height: 1.9; }
.about-text p { margin-top: 1.5rem; }
.about-text p:first-child { margin-top: 0; }

.about-meta { font-size: 0.78rem; }
.about-meta .meta-row {
  display: flex; justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.about-meta .meta-row:last-child { border-bottom: none; }
.meta-key   { color: var(--text-dim); }
.meta-value { color: var(--green); text-align: right; }

@media (max-width: 680px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ────────────────────────────────────────────────────────── */
/*  SKILLS                                                   */
/* ────────────────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.skill-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition), transform var(--transition);
}
.skill-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0,255,65,0.08);
}
.skill-card-header {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.skill-icon { font-size: 1.2rem; }
.skill-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-weight: 600;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-tag {
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  border-radius: 3px;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  transition: all var(--transition);
}
.skill-tag:hover {
  border-color: var(--green);
  color: var(--green);
}

/* ────────────────────────────────────────────────────────── */
/*  EXPERIENCE (TIMELINE)                                    */
/* ────────────────────────────────────────────────────────── */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--green), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.timeline-item.visible { opacity: 1; transform: translateX(0); }

.timeline-dot {
  position: absolute; left: -2rem;
  top: 6px; width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: var(--glow-green);
  transform: translateX(-6px);
}

.timeline-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--transition);
}
.timeline-card:hover { border-color: var(--green-dim); }

.tl-header { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.25rem; }
.tl-role { font-size: 1.05rem; font-weight: 600; color: var(--text-bright); }
.tl-duration { font-size: 0.75rem; color: var(--amber); }
.tl-company { font-size: 0.85rem; color: var(--cyan); margin-bottom: 1rem; }
.tl-type {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  background: var(--green-dark);
  color: var(--green);
  margin-left: 0.5rem;
  vertical-align: middle;
}
.tl-bullets { list-style: none; }
.tl-bullets li {
  font-size: 0.82rem;
  color: var(--text);
  padding: 0.3rem 0;
  padding-left: 1.2rem;
  position: relative;
  font-family: var(--font-body);
  line-height: 1.7;
}
.tl-bullets li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--green);
}

/* ────────────────────────────────────────────────────────── */
/*  PROJECTS                                                 */
/* ────────────────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.project-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,255,65,0.1);
}

.project-header {
  background: linear-gradient(135deg, var(--bg3), var(--green-dark));
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: flex-start;
}
.project-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-bright);
}
.project-links { display: flex; gap: 0.5rem; }
.project-link {
  font-size: 0.7rem;
  padding: 0.25rem 0.55rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: all var(--transition);
}
.project-link:hover { border-color: var(--green); color: var(--green); }

.project-body { padding: 1rem 1.5rem; flex: 1; }
.project-desc { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.75rem; font-family: var(--font-body); }
.proj-bullets { list-style: none; }
.proj-bullets li {
  font-size: 0.78rem;
  color: var(--text);
  padding: 0.2rem 0 0.2rem 1.1rem;
  position: relative;
  font-family: var(--font-body);
  line-height: 1.6;
}
.proj-bullets li::before { content: '→'; position: absolute; left: 0; color: var(--cyan); }

.project-footer {
  padding: 0.75rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 0.4rem;
}
.stack-tag {
  font-size: 0.65rem;
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
  background: rgba(0,229,255,0.08);
  border: 1px solid rgba(0,229,255,0.2);
  color: var(--cyan-dim);
}

/* ────────────────────────────────────────────────────────── */
/*  EDUCATION                                               */
/* ────────────────────────────────────────────────────────── */
.education-list { display: flex; flex-direction: column; gap: 1rem; }
.edu-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.75rem;
  transition: border-color var(--transition);
}
.edu-card:hover { border-color: var(--green-dim); }
.edu-left {}
.edu-inst { font-size: 0.95rem; font-weight: 600; color: var(--text-bright); }
.edu-degree { font-size: 0.78rem; color: var(--text-dim); margin-top: 0.25rem; font-family: var(--font-body); }
.edu-right { text-align: right; }
.edu-grade { font-size: 0.9rem; color: var(--green); font-weight: 600; }
.edu-year  { font-size: 0.72rem; color: var(--text-dim); }

/* ────────────────────────────────────────────────────────── */
/*  ACHIEVEMENTS                                             */
/* ────────────────────────────────────────────────────────── */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.ach-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  display: flex; gap: 1rem; align-items: flex-start;
  transition: border-color var(--transition), transform var(--transition);
  opacity: 0;
  transform: translateY(15px);
}
.ach-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.4s ease, transform 0.4s ease, border-color var(--transition); }
.ach-card:hover { border-color: var(--amber); transform: translateY(-2px); }

.ach-icon { font-size: 1.6rem; flex-shrink: 0; }
.ach-title { font-size: 0.85rem; font-weight: 600; color: var(--text-bright); margin-bottom: 0.35rem; }
.ach-desc  { font-size: 0.75rem; color: var(--text-dim); font-family: var(--font-body); line-height: 1.6; }

/* ────────────────────────────────────────────────────────── */
/*  CONTACT                                                  */
/* ────────────────────────────────────────────────────────── */
.contact-container { max-width: 700px; }
.contact-intro {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-family: var(--font-body);
  margin-bottom: 2rem;
}
.contact-links {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 2rem;
}
.contact-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text);
  background: var(--bg2);
  transition: all var(--transition);
}
.contact-link:hover { border-color: var(--green); color: var(--green); box-shadow: var(--glow-green); }
.contact-link span { font-size: 0.7rem; color: var(--text-dim); }

.contact-terminal {
  font-size: 0.82rem;
  line-height: 2;
}
.contact-terminal p + p { margin-top: 0; }

/* ────────────────────────────────────────────────────────── */
/*  FOOTER                                                   */
/* ────────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.5rem;
  font-size: 0.72rem;
  color: var(--text-dim);
  position: relative; z-index: 1;
}

/* ────────────────────────────────────────────────────────── */
/*  SCROLL ANIMATIONS                                        */
/* ────────────────────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ────────────────────────────────────────────────────────── */
/*  RESPONSIVE                                               */
/* ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .hero-body { padding: 1.5rem; }
  .btn { font-size: 0.72rem; padding: 0.5rem 1rem; }
  .tl-header { flex-direction: column; }
  .edu-card { flex-direction: column; }
  .edu-right { text-align: left; }
  .projects-grid { grid-template-columns: 1fr; }
}