/* =========================================================
   MrEhAcKeR // Portfolio styles
   Hacker-terminal vibe, professional layout
   ========================================================= */

:root {
  --bg:        #050807;
  --bg-2:      #0a1110;
  --panel:     #0d1614;
  --panel-2:   #11201d;
  --border:    #1f3b35;
  --border-hi: #2dd4a4;

  --fg:        #c9f7e1;
  --fg-dim:    #7aa898;
  --muted:     #4a6b62;

  --green:     #39ff7e;
  --green-2:   #00ff9c;
  --cyan:      #5cf7ff;
  --amber:     #ffb86b;
  --red:       #ff4f6b;
  --magenta:   #ff5ed1;

  --mono:      'JetBrains Mono', 'Share Tech Mono', ui-monospace, Menlo, Consolas, monospace;
  --display:   'Share Tech Mono', 'JetBrains Mono', monospace;

  --maxw:      1200px;
  --radius:    6px;
  --shadow-glow: 0 0 24px rgba(57,255,126,0.15), 0 0 1px rgba(57,255,126,0.4);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(45,212,164,0.10), transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(92,247,255,0.06), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

a { color: var(--green); text-decoration: none; transition: color .15s ease, text-shadow .15s ease; }
a:hover { color: var(--cyan); text-shadow: 0 0 8px rgba(92,247,255,0.6); }

::selection { background: rgba(57,255,126,0.3); color: #fff; }

/* ================ Background FX ================ */

#matrix {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: -3;
  opacity: 0.18;
  pointer-events: none;
}

.scanlines {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: -2;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.18) 3px,
    rgba(0,0,0,0) 4px
  );
  mix-blend-mode: multiply;
}

.vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.7) 100%);
}

/* ================ Topbar ================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(8,15,13,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-family: var(--display);
  color: var(--green);
  letter-spacing: 1px;
}
.brand .prompt { color: var(--green-2); }
.brand .cursor {
  display: inline-block;
  margin-left: 4px;
  animation: blink 1s steps(1) infinite;
}

.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a {
  color: var(--fg-dim);
  font-size: 13px;
  letter-spacing: 0.5px;
}
.nav a:hover { color: var(--green); }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--green);
  padding: 6px 10px;
  font-family: var(--mono);
  cursor: pointer;
  border-radius: 4px;
}
.menu-toggle:hover { border-color: var(--green); }

@keyframes blink { 50% { opacity: 0; } }

/* ================ Layout ================ */

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px 80px;
}

.section {
  padding: 80px 0 24px;
  scroll-margin-top: 80px;
}

.section-title {
  font-family: var(--display);
  color: var(--green);
  font-size: 26px;
  letter-spacing: 2px;
  margin: 0 0 28px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
  text-shadow: 0 0 12px rgba(57,255,126,0.2);
}
.section-title.sub { margin-top: 60px; }
.section-title .hash { color: var(--muted); margin-right: 8px; }

/* ================ Hero ================ */

.hero {
  padding-top: 60px;
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.terminal {
  width: 100%;
  max-width: 880px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glow);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
.terminal-title {
  margin-left: auto;
  color: var(--fg-dim);
  font-size: 12px;
  letter-spacing: 1px;
}

.terminal-body {
  padding: 24px 26px 28px;
}

.prompt { color: var(--green-2); margin-right: 8px; }

.line { margin: 8px 0; color: var(--fg-dim); }

.glitch {
  font-family: var(--display);
  font-size: clamp(36px, 7vw, 72px);
  letter-spacing: 4px;
  margin: 8px 0 18px;
  position: relative;
  color: #ecfeff;
  text-shadow:
    0 0 2px rgba(255,255,255,0.85),
    0 0 10px rgba(92,247,255,0.85),
    0 0 22px rgba(92,247,255,0.55),
    0 0 48px rgba(45,212,164,0.30);
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0; width: 100%;
  overflow: hidden;
}
.glitch::before { color: var(--cyan); transform: translate(-2px, 0); clip-path: inset(0 0 60% 0); animation: glitch 3.2s infinite linear alternate-reverse; opacity: .8; }
.glitch::after  { color: var(--magenta); transform: translate(2px, 0);  clip-path: inset(60% 0 0 0); animation: glitch 2.4s infinite linear alternate-reverse; opacity: .7; }
@keyframes glitch {
  0%   { transform: translate(0, 0); }
  20%  { transform: translate(-2px, 1px); }
  40%  { transform: translate(2px, -1px); }
  60%  { transform: translate(-1px, 2px); }
  80%  { transform: translate(1px, -2px); }
  100% { transform: translate(0, 0); }
}

.role {
  font-family: var(--display);
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--green);
  margin: 0 0 18px;
  min-height: 1.6em;
}
.role::after {
  content: '_';
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
  color: var(--green);
}

.tags { margin: 6px 0 22px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--green);
  background: rgba(57,255,126,0.04);
}

.cta-line { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.btn {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--green);
  border-radius: 4px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 13px;
  background: rgba(57,255,126,0.06);
  transition: all .15s ease;
}
.btn:hover {
  background: var(--green);
  color: #001f12;
  text-shadow: none;
  box-shadow: 0 0 18px rgba(57,255,126,0.6);
}
.btn.ghost {
  border-color: var(--border);
  color: var(--fg-dim);
  background: transparent;
}
.btn.ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(92,247,255,0.06);
  box-shadow: 0 0 14px rgba(92,247,255,0.4);
}

/* ================ About ================ */

.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}
.about-text p { margin: 0 0 14px; color: var(--fg); }
.about-text strong { color: var(--green); }
.hl { color: var(--cyan); }

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}
.stat:hover { border-color: var(--green); transform: translateY(-2px); }
.stat-num {
  font-family: var(--display);
  font-size: 38px;
  color: var(--green);
  text-shadow: 0 0 12px rgba(57,255,126,0.4);
  line-height: 1;
}
.stat-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--fg-dim);
  margin-top: 6px;
  text-transform: uppercase;
}

/* ================ Skills ================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.skill-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(57,255,126,0.05));
  pointer-events: none;
}
.skill-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(57,255,126,0.3);
}
.skill-card h3 {
  font-family: var(--display);
  color: var(--cyan);
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 1px;
}
.skill-card ul { list-style: none; padding: 0; margin: 0; }
.skill-card li {
  padding: 4px 0 4px 18px;
  position: relative;
  color: var(--fg);
  font-size: 13.5px;
}
.skill-card li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--green);
}

/* ================ Timeline ================ */

.timeline {
  position: relative;
  padding-left: 28px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, var(--green), var(--border) 70%, transparent);
}
.tl-item {
  position: relative;
  margin-bottom: 28px;
}
.tl-dot {
  position: absolute;
  left: -28px;
  top: 8px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--green);
  background: var(--bg);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(57,255,126,0.12), 0 0 12px rgba(57,255,126,0.5);
}
.tl-content {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  transition: border-color .2s, transform .2s;
}
.tl-content:hover { border-color: var(--green); transform: translateX(3px); }

.tl-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--fg-dim);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.tl-date { color: var(--green); }
.tl-loc { color: var(--muted); }
.tl-loc::before { content: '@ '; color: var(--muted); }

.tl-role {
  font-family: var(--display);
  color: var(--fg);
  font-size: 17px;
  margin: 4px 0 10px;
  letter-spacing: 0.5px;
}

.tl-content ul { padding-left: 18px; margin: 8px 0; }
.tl-content li { margin: 4px 0; }
.tl-content p { margin: 6px 0; }

.program-list {
  list-style: none !important;
  padding: 0 !important;
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 8px;
}
.prog {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 12px;
  color: var(--cyan);
  background: rgba(92,247,255,0.04);
}

.tl-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--green);
}

/* ================ Certs ================ */

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.cert {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--fg);
  transition: border-color .2s, transform .2s, box-shadow .2s;
  position: relative;
  overflow: hidden;
}
.cert:hover {
  border-color: var(--green);
  color: var(--fg);
  text-shadow: none;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(57,255,126,0.15);
}
.cert-badge {
  display: inline-block;
  font-family: var(--display);
  letter-spacing: 2px;
  padding: 6px 12px;
  border: 1px solid var(--green);
  color: var(--green);
  background: rgba(57,255,126,0.08);
  border-radius: 3px;
  margin-bottom: 12px;
  font-size: 14px;
}
.cert h3 {
  font-family: var(--mono);
  color: var(--fg);
  font-size: 15px;
  margin: 0 0 8px;
  font-weight: 600;
}
.cert-issuer { color: var(--cyan); font-size: 12.5px; margin: 0 0 6px; }
.cert-skills { color: var(--fg-dim); font-size: 12px; margin: 0; }

/* ================ Education ================ */

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.edu-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  border-left: 3px solid var(--green);
  transition: border-color .2s, transform .2s;
}
.edu-card:hover { transform: translateY(-2px); border-left-color: var(--cyan); }
.edu-card.alt { border-left-color: var(--cyan); }
.edu-card.alt:hover { border-left-color: var(--magenta); }

.edu-date {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--green);
  margin-bottom: 6px;
}
.edu-card.alt .edu-date { color: var(--cyan); }

.edu-card h3 {
  font-family: var(--display);
  color: var(--fg);
  font-size: 16px;
  margin: 4px 0 6px;
  letter-spacing: 0.5px;
}
.edu-org { color: var(--fg); font-size: 13.5px; margin: 0 0 4px; }
.edu-loc { color: var(--muted); font-size: 12px; margin: 0 0 6px; }
.edu-desc { color: var(--fg-dim); font-size: 13px; margin: 6px 0 0; }

/* ================ Contact ================ */

.contact-term { max-width: 760px; margin: 0 auto; }
.contact-term .out { color: var(--green); }

.json {
  background: transparent;
  color: var(--fg);
  padding: 4px 0 8px;
  margin: 8px 0;
  font-family: var(--mono);
  font-size: 13.5px;
  white-space: pre-wrap;
  word-break: break-word;
}
.json a { color: var(--cyan); }
.json a:hover { color: var(--green); }

.blink { animation: blink 1s steps(1) infinite; color: var(--green); }

/* ================ Footer ================ */

footer {
  text-align: center;
  padding: 30px 20px 60px;
  color: var(--muted);
  font-size: 12.5px;
  border-top: 1px dashed var(--border);
  margin-top: 40px;
}
footer .ascii {
  color: var(--green);
  margin-top: 6px;
  letter-spacing: 1px;
}

/* ================ Interactive FX ================ */

#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity .25s ease, width .15s ease, height .15s ease;
  background: radial-gradient(
    circle,
    rgba(92,247,255,0.85) 0%,
    rgba(92,247,255,0.30) 35%,
    rgba(57,255,126,0.10) 60%,
    transparent 78%
  );
  mix-blend-mode: screen;
  will-change: transform, opacity;
  filter: blur(0.5px);
}
#cursor-glow.visible { opacity: 1; }
#cursor-glow.tap {
  width: 80px;
  height: 80px;
}
#cursor-glow::after {
  content: '';
  position: absolute;
  inset: -50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92,247,255,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.click-ripple {
  position: fixed;
  width: 0;
  height: 0;
  border-radius: 50%;
  border: 2px solid rgba(92,247,255,0.85);
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%, -50%);
  animation: clickRipple .7s cubic-bezier(.2,.7,.2,1) forwards;
  box-shadow:
    0 0 14px rgba(92,247,255,0.5),
    inset 0 0 14px rgba(57,255,126,0.3);
}
@keyframes clickRipple {
  0%   { width: 6px;   height: 6px;   opacity: .95; border-width: 2px; }
  100% { width: 160px; height: 160px; opacity: 0;   border-width: 1px; }
}

.spark {
  position: fixed;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(92,247,255,0.9), 0 0 16px rgba(92,247,255,0.5);
  pointer-events: none;
  z-index: 999;
  animation: sparkOut .7s ease-out forwards;
}
@keyframes sparkOut {
  0%   { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx, 0)), calc(-50% + var(--dy, 0))) scale(0.3); opacity: 0; }
}

.tilt {
  transform-style: preserve-3d;
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .2s, box-shadow .2s;
  will-change: transform;
}

/* hide hardware cursor when our glow is active (desktop only) */
@media (hover: hover) and (pointer: fine) {
  body.glow-active,
  body.glow-active a,
  body.glow-active button {
    cursor: none;
  }
}

/* turn off the heavy effects on touch / reduced motion */
@media (hover: none) {
  .tilt { transition: none; }
}
@media (prefers-reduced-motion: reduce) {
  #cursor-glow, .click-ripple, .spark { display: none !important; }
  .tilt { transform: none !important; }
}

/* ================ Reveal animation ================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================ Responsive ================ */

@media (max-width: 980px) {
  .nav a { font-size: 12px; }
}

@media (max-width: 820px) {
  .topbar { padding: 12px 18px; flex-wrap: wrap; gap: 8px; }
  .nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    gap: 4px;
    padding: 10px 0 4px;
    margin-top: 8px;
    border-top: 1px dashed var(--border);
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 4px; font-size: 14px; }
  .menu-toggle { display: inline-block; }

  .about-grid { grid-template-columns: 1fr; gap: 22px; }
  .about-stats { grid-template-columns: 1fr 1fr; }

  .terminal-body { padding: 18px 16px; }
  .glitch { letter-spacing: 2px; }

  .timeline { padding-left: 22px; }
  .tl-dot { left: -22px; width: 14px; height: 14px; }
  .tl-content { padding: 16px 16px; }

  .tags span { font-size: 11px; padding: 4px 8px; }
  .btn { padding: 10px 14px; font-size: 13px; }

  .cta-line { gap: 8px; }

  .json { font-size: 12.5px; overflow-x: auto; }
}

@media (max-width: 560px) {
  html, body { font-size: 14.5px; }
  main { padding: 0 14px 50px; }
  .topbar { padding: 10px 14px; }
  .section { padding: 50px 0 8px; scroll-margin-top: 70px; }
  .section-title { font-size: 18px; letter-spacing: 1.5px; }
  .section-title.sub { margin-top: 40px; }

  .hero { padding-top: 30px; min-height: auto; padding-bottom: 30px; }
  .terminal-body { padding: 14px 14px 18px; }
  .terminal-bar { padding: 8px 12px; }
  .terminal-title { font-size: 11px; }
  .glitch { font-size: clamp(28px, 9vw, 44px); letter-spacing: 1.5px; margin: 6px 0 12px; }
  .role { font-size: 16px; }

  .cta-line { flex-direction: column; align-items: stretch; }
  .cta-line .prompt { display: none; }
  .btn { width: 100%; text-align: center; padding: 12px 14px; }

  .stat { padding: 14px 8px; }
  .stat-num { font-size: 28px; }
  .stat-label { font-size: 10px; letter-spacing: 1px; }

  .skills-grid, .cert-grid, .edu-grid { grid-template-columns: 1fr; gap: 12px; }
  .skill-card, .edu-card, .cert { padding: 16px; }

  .timeline { padding-left: 18px; }
  .tl-dot { left: -18px; width: 12px; height: 12px; border-width: 2px; }
  .tl-meta { gap: 6px; font-size: 11px; }
  .tl-role { font-size: 15px; }
  .tl-content ul { padding-left: 16px; }
  .tl-content li { font-size: 13.5px; }

  .program-list { gap: 6px; }
  .prog { font-size: 11px; padding: 3px 8px; }

  .json { font-size: 12px; line-height: 1.7; }
  .json a { word-break: break-all; }

  footer { padding: 24px 14px 40px; font-size: 11.5px; }
}

@media (max-width: 380px) {
  .glitch { font-size: 26px; }
  .section-title { font-size: 16px; }
  .about-stats { grid-template-columns: 1fr; }
}

@media (hover: none) {
  .skill-card:hover, .cert:hover, .stat:hover, .tl-content:hover { transform: none; }
  a:hover { text-shadow: none; }
}

@media (prefers-reduced-motion: reduce) {
  .glitch::before, .glitch::after { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .cursor, .blink, .role::after { animation: none; }
}