/* ============================================================
   Akash Gupta — Security Engineer Portfolio
   Theme: terminal / offensive-security
   ============================================================ */

:root {
  --bg: #0a0e14;
  --bg-soft: #0e141f;
  --panel: #101826;
  --panel-2: #0c1220;
  --border: #1c2a3f;
  --text: #c9d7e8;
  --text-dim: #7d8fa8;
  --green: #2fe886;
  --green-dim: #1fae66;
  --cyan: #4dd7ff;
  --amber: #ffb454;
  --red: #ff5f56;
  --yellow: #ffbd2e;
  --purple: #b58aff;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --glow-green: 0 0 12px rgba(47, 232, 134, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

::selection { background: rgba(47, 232, 134, 0.25); color: #fff; }

/* subtle scanline overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.015) 0px,
    rgba(255, 255, 255, 0.015) 1px,
    transparent 1px,
    transparent 3px
  );
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.accent { color: var(--green); }
.dim { color: var(--text-dim); }

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ============ NAV ============ */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  color: var(--green);
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
}
.nav-logo .blink { animation: blink 1.1s steps(1) infinite; }

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 13px;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--green); text-decoration: none; }
.nav-links a::before { content: "./"; color: var(--green-dim); }

/* ============ HERO ============ */
.hero {
  padding: 72px 0 40px;
  text-align: center;
  position: relative;
}

.hero .handle {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 10px;
}

.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  letter-spacing: 2px;
  color: #eef5ff;
  font-weight: 800;
}
.hero h1 .bracket { color: var(--green); text-shadow: var(--glow-green); }

.typed-line {
  margin-top: 14px;
  font-size: clamp(15px, 2.5vw, 19px);
  color: var(--cyan);
  min-height: 1.7em;
}
.typed-line .cursor {
  display: inline-block;
  width: 9px;
  background: var(--green);
  animation: blink 1s steps(1) infinite;
}

.hero .tagline {
  margin: 18px auto 0;
  max-width: 640px;
  color: var(--text-dim);
  font-size: 14px;
}

.stat-chips {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.chip {
  border: 1px solid var(--border);
  background: var(--panel-2);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12.5px;
  color: var(--text-dim);
}
.chip b { color: var(--green); font-weight: 700; }

.hero-ctas {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid var(--green);
}
.btn-solid {
  background: var(--green);
  color: #06130c;
  font-weight: 700;
}
.btn-solid:hover { box-shadow: var(--glow-green); text-decoration: none; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--green);
}
.btn-ghost:hover { background: rgba(47, 232, 134, 0.08); text-decoration: none; transform: translateY(-1px); }

/* ============ TERMINAL ============ */
.terminal-section { padding: 30px 0 60px; }

.terminal-hint {
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
  margin-bottom: 14px;
}
.terminal-hint kbd {
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 7px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--green);
}

.terminal {
  background: #0b0f17;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(47, 232, 134, 0.05);
  text-align: left;
}

.term-titlebar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #121a29;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  user-select: none;
}
.term-dot { width: 12px; height: 12px; border-radius: 50%; }
.term-dot.red { background: var(--red); }
.term-dot.yellow { background: var(--yellow); }
.term-dot.green { background: #27c93f; }
.term-title {
  flex: 1;
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
}
.term-max {
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  background: transparent;
  font-family: var(--mono);
}
.term-max:hover { color: var(--green); border-color: var(--green-dim); }

.term-body {
  padding: 16px 18px;
  height: 440px;
  overflow-y: auto;
  font-size: 13.5px;
  line-height: 1.55;
  cursor: text;
}
.term-body::-webkit-scrollbar { width: 8px; }
.term-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.term-body::-webkit-scrollbar-track { background: transparent; }

.terminal.maximized {
  position: fixed;
  inset: 12px;
  z-index: 1000;
  border-radius: 10px;
}
.terminal.maximized .term-body { height: calc(100vh - 78px); }

.term-line { white-space: pre-wrap; word-break: break-word; }
.term-line a { color: var(--cyan); }

.t-green { color: var(--green); }
.t-cyan { color: var(--cyan); }
.t-amber { color: var(--amber); }
.t-red { color: var(--red); }
.t-purple { color: var(--purple); }
.t-dim { color: var(--text-dim); }
.t-white { color: #eef5ff; }
.t-bold { font-weight: 700; }

.prompt-line { display: flex; flex-wrap: wrap; align-items: baseline; }
.prompt-ps1 { white-space: pre; }
.term-input-wrap { position: relative; flex: 1; min-width: 120px; }
.term-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13.5px;
  caret-color: var(--green);
}

@keyframes blink { 0%, 55% { opacity: 1; } 56%, 100% { opacity: 0; } }

/* ============ SECTIONS ============ */
section { padding: 56px 0; }

.section-title {
  font-size: 20px;
  color: #eef5ff;
  margin-bottom: 6px;
  font-weight: 700;
}
.section-title::before {
  content: "❯ ";
  color: var(--green);
}
.section-cmd {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 28px;
}
.section-cmd::before { content: "$ "; color: var(--green-dim); }

/* about */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: start;
}
.about-text p { margin-bottom: 14px; color: var(--text); font-size: 14.5px; }
.about-text .hl { color: var(--green); }

.neofetch-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  font-size: 12.5px;
  line-height: 1.7;
}
.neofetch-card .nf-key { color: var(--green); font-weight: 700; }
.neofetch-card pre {
  color: var(--green);
  font-size: 10.5px;
  line-height: 1.25;
  margin-bottom: 12px;
  overflow-x: auto;
}

/* experience */
.xp-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  padding: 24px 26px;
}
.xp-head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}
.xp-role { color: #eef5ff; font-weight: 700; font-size: 16px; }
.xp-date { color: var(--amber); font-size: 12.5px; }
.xp-org { color: var(--cyan); font-size: 13.5px; margin-bottom: 14px; }
.xp-card ul { list-style: none; }
.xp-card li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 14px;
}
.xp-card li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--green);
}

/* projects */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
}
.proj-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.proj-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.proj-file {
  color: var(--text-dim);
  font-size: 11.5px;
  margin-bottom: 10px;
}
.proj-file::before { content: "// "; }
.proj-name { color: var(--green); font-weight: 700; font-size: 15.5px; margin-bottom: 10px; }
.proj-desc { color: var(--text); font-size: 13.5px; flex: 1; margin-bottom: 14px; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.proj-tags span {
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(77, 215, 255, 0.25);
  border-radius: 4px;
  padding: 2px 8px;
}
.proj-link {
  margin-top: 14px;
  color: var(--green);
  font-size: 12.5px;
  font-weight: 600;
  align-self: flex-start;
}
.proj-desc code {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 4px;
  font-size: 12px;
  color: var(--amber);
}

/* ctf */
.ctf-flag-banner {
  background: var(--panel-2);
  border: 1px solid var(--green-dim);
  border-radius: 8px;
  padding: 18px 22px;
  margin-bottom: 20px;
  color: var(--green);
  font-size: 14px;
  box-shadow: inset 0 0 30px rgba(47, 232, 134, 0.04);
}
.ctf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}
.ctf-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
}
.ctf-rank { color: var(--amber); font-size: 21px; font-weight: 800; }
.ctf-name { color: #eef5ff; font-size: 13.5px; margin-top: 4px; font-weight: 600; }
.ctf-note { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

/* skills */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}
.skill-box {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
}
.skill-box h3 {
  color: var(--green);
  font-size: 13.5px;
  margin-bottom: 14px;
  font-weight: 700;
}
.skill-box h3::before { content: "[+] "; color: var(--green-dim); }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  font-size: 12px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
  transition: border-color 0.15s, color 0.15s;
}
.skill-tags span:hover { border-color: var(--green-dim); color: var(--green); }

/* writing */
.writing-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 26px;
  font-size: 14px;
}

.writeup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
}
.writeup-card {
  display: flex;
  flex-direction: column;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px 24px;
  color: var(--text);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.writeup-card:hover {
  border-color: var(--green-dim);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  text-decoration: none;
}
.writeup-badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 11px;
  color: var(--amber);
  border: 1px solid rgba(255, 180, 84, 0.3);
  border-radius: 4px;
  padding: 2px 9px;
  margin-bottom: 12px;
}
.writeup-title {
  color: #eef5ff;
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.4;
  margin-bottom: 10px;
}
.writeup-card:hover .writeup-title { color: var(--green); }
.writeup-desc { color: var(--text-dim); font-size: 13px; flex: 1; margin-bottom: 14px; }
.writeup-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.writeup-tags span {
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(77, 215, 255, 0.25);
  border-radius: 4px;
  padding: 2px 8px;
}
.writeup-link { color: var(--green); font-size: 12.5px; font-weight: 600; }
.writeup-card.no-link { cursor: default; }
.writeup-card.no-link:hover { transform: none; border-color: var(--border); box-shadow: none; }
.writeup-card.no-link:hover .writeup-title { color: #eef5ff; }
.writeup-link.dim-link { color: var(--text-dim); font-weight: 500; font-style: italic; }

/* contact */
.contact-section { text-align: center; padding-bottom: 30px; }
.contact-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

/* footer */
footer {
  border-top: 1px solid var(--border);
  padding: 26px 0 34px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12.5px;
}
footer .foot-cmd { color: var(--green-dim); }

/* matrix easter-egg canvas */
#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: none;
}

@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .term-body { height: 380px; font-size: 12.5px; }
}