/* ==========================================================================
   Sochan Dangol | Portfolio
     VOID   deep navy-black   
     CYAN   electric cyan     
     AMBER  molten gold       
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --void: #050816;
  --void-2: #0a1230;
  --cyan: #00e5ff;
  --cyan-rgb: 0, 229, 255;
  --amber: #ffb020;
  --amber-rgb: 255, 176, 32;
  --plasma: #1a4dff; /* glow tint of the cyan, not a 4th color */

  --text: #e6ecff;
  --muted: #8d9bc4;
  --line: rgba(120, 160, 255, 0.16);

  --font-body: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --radius: 14px;
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scrollbar-color: var(--cyan) var(--void);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  line-height: 1.7;
  color: var(--text);
  overflow-x: hidden;
  /* three "flames": gold on top, blue left, cyan right, like the artwork */
  background:
    radial-gradient(60rem 40rem at 50% -12%, rgba(var(--amber-rgb), 0.2), transparent 62%),
    radial-gradient(50rem 50rem at -12% 25%, rgba(26, 77, 255, 0.3), transparent 60%),
    radial-gradient(50rem 50rem at 112% 35%, rgba(var(--cyan-rgb), 0.16), transparent 60%),
    var(--void);
  background-attachment: fixed;
}

/* faint cyber grid that fades out toward the edges */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--cyan-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--cyan-rgb), 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 75%);
}

/* subtle CRT scanlines */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.3;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.18) 0 1px, transparent 1px 3px);
}

::selection {
  background: var(--amber);
  color: var(--void);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--void);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--cyan), var(--amber));
  border-radius: 10px;
  border: 2px solid var(--void);
}

:focus-visible {
  outline: 2px dashed var(--amber);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ---------- Links (animated underline) ---------- */
a {
  color: var(--cyan);
  font-weight: 500;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0% 2px no-repeat;
  transition: background-size 0.3s ease, text-shadow 0.25s ease;
  overflow-wrap: anywhere;
}

a:hover,
a:focus-visible {
  background-size: 100% 2px;
  text-shadow: 0 0 12px currentColor;
}

/* external links get a small arrow */
a[target="_blank"]::after {
  content: "\2197";
  display: inline-block;
  margin-left: 0.25em;
  font-size: 0.85em;
  opacity: 0.7;
}

/* keyboard users: jump straight to the content */
.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--void);
  background: var(--amber);
  border-radius: 6px;
}
.skip-link:focus {
  top: 1rem;
}

strong {
  color: #fff;
  font-weight: 700;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Header / hero ---------- */
header {
  text-align: center;
  padding: clamp(3rem, 8vw, 6rem) 1.5rem 2rem;
}

/* @property lets the browser animate the gradient angle */
@property --angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

.profile-picture {
  display: block;
  width: clamp(170px, 28vw, 240px);
  height: auto; /* overrides the height="600" attribute so the image stays square */
  aspect-ratio: 1;
  margin: 0 auto 1.75rem;
  object-fit: cover;
  border-radius: 32%;
  border: 4px solid transparent;
  /* padding-box = image area, border-box = the spinning cyan/amber ring */
  background:
    linear-gradient(var(--void), var(--void)) padding-box,
    conic-gradient(from var(--angle), var(--cyan), var(--plasma), var(--amber), var(--cyan)) border-box;
  box-shadow:
    0 0 40px rgba(var(--cyan-rgb), 0.35),
    0 0 100px rgba(var(--amber-rgb), 0.22);
  animation: spin 7s linear infinite;
}

.name {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #fff;
  /* chromatic aberration: cyan one side, amber the other */
  text-shadow:
    2px 0 rgba(var(--cyan-rgb), 0.85),
    -2px 0 rgba(var(--amber-rgb), 0.85);
  animation: glitch 7s infinite;
}

.name::after {
  content: "_";
  margin-left: 0.1em;
  color: var(--amber);
  animation: blink 1s steps(1) infinite;
}

/* optional: <p class="tagline">...</p> under the name */
.tagline {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: var(--muted);
}
.tagline::before {
  content: "$ ";
  color: var(--amber);
}

/* optional: <nav> inside <header> */
nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.75rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
nav a {
  color: var(--muted);
}
nav a:hover {
  color: var(--cyan);
}

/* ---------- Layout ---------- */
main {
  width: min(1100px, 100% - 2.5rem);
  margin: 1rem auto 4rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.about,
.projects,
.ctf,
.labs {
  grid-column: 1 / -1;
}

/* ---------- Section panels ---------- */
main > section {
  --accent: var(--cyan);
  --accent-rgb: var(--cyan-rgb);

  position: relative;
  padding: clamp(1.4rem, 3vw, 2.25rem);
  background: linear-gradient(155deg, rgba(10, 18, 48, 0.78), rgba(5, 8, 22, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

/* cyan and amber alternate down the page */
.projects,
.labs,
.skills {
  --accent: var(--amber);
  --accent-rgb: var(--amber-rgb);
}

/* glowing tab on the top edge */
main > section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.5rem;
  width: 64px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  transition: width 0.45s ease;
}

main > section:hover {
  border-color: rgba(var(--accent-rgb), 0.45);
  box-shadow:
    0 0 0 1px rgba(var(--accent-rgb), 0.08),
    0 22px 55px -24px rgba(var(--accent-rgb), 0.4);
}

main > section:hover::before {
  width: 140px;
}

main > section a {
  color: var(--accent);
}

/* ---------- Typography inside panels ---------- */
h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
h2::before {
  content: "// ";
  opacity: 0.55;
}

h3 {
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

p {
  margin: 0 0 1rem;
}

.about p {
  font-size: 1.08rem;
}

/* ---------- Lists ---------- */
main ul {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

main li {
  position: relative;
  padding-left: 1.4rem;
}

main li::before {
  content: "\203A"; /* single right angle quote */
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--accent);
}

/* Projects as cards */
.projects ul {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
  gap: 1rem;
}

.projects li {
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  color: var(--muted);
  background: rgba(var(--accent-rgb), 0.05);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.projects li::before {
  content: none;
}

.projects li:hover {
  transform: translateY(-4px);
  background: rgba(var(--accent-rgb), 0.09);
  box-shadow: 0 16px 34px -16px rgba(var(--accent-rgb), 0.6);
}

.projects li a {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.02rem;
}

.projects h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: 0;
  text-transform: none;
}

.projects li p {
  margin: 0 0 0.6rem;
}

.projects li p:last-child {
  margin-bottom: 0;
}

/* Skills as chips */
.skills ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skills li {
  padding: 0.45rem 0.95rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.skills li::before {
  content: none;
}

.skills li:hover {
  transform: translateY(-3px);
  background: rgba(var(--accent-rgb), 0.14);
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.4);
}

/* optional: <span class="tag"> chips for tech stacks inside project cards */
.tag {
  display: inline-block;
  margin: 0.25rem 0.35rem 0 0;
  padding: 0.1rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.4);
  border-radius: 999px;
}

/* ---------- CTF highlights: event on the left, result on the right ---------- */
.ctf ul {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 0.75rem;
}

.ctf li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.85rem 1rem;
  background: rgba(var(--accent-rgb), 0.05);
  border: 1px solid rgba(var(--accent-rgb), 0.18);
  border-radius: 10px;
}

.ctf li::before {
  content: none;
}

.result {
  padding: 0.2rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.1);
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  border-radius: 999px;
}

/* ---------- Lab platforms (HackTheBox / TryHackMe) ---------- */
.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.platform {
  padding: 1.25rem;
  background: rgba(var(--accent-rgb), 0.05);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 10px;
}

/* HackTheBox keeps amber, TryHackMe switches to cyan */
.platform-thm {
  --accent: var(--cyan);
  --accent-rgb: var(--cyan-rgb);
}

.platform-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.platform h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0;
  text-transform: none;
}

.platform h3 a {
  font-family: var(--font-mono);
  font-weight: 800;
}

.rank {
  padding: 0.25rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  color: var(--void);
  background: var(--accent);
  border-radius: 999px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
  margin: 0;
}

/* dt (label) comes first in the HTML for screen readers,
   column-reverse shows the big number above it */
.stats > div {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  padding: 0.8rem 0.9rem;
  background: rgba(5, 8, 22, 0.55);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stats dt {
  font-size: 0.8rem;
  line-height: 1.3;
  color: var(--muted);
}

.stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
}

.stats-note {
  margin: 1.1rem 0 0;
}

/* ---------- Footer (optional) ---------- */
footer {
  padding: 2rem 1rem 3rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Animations ---------- */
@keyframes spin {
  to {
    --angle: 360deg;
  }
}

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

@keyframes glitch {
  0%, 90%, 100% {
    transform: none;
    text-shadow: 2px 0 rgba(var(--cyan-rgb), 0.85), -2px 0 rgba(var(--amber-rgb), 0.85);
  }
  91% {
    transform: translate(-3px, 0) skewX(-8deg);
    text-shadow: -6px 0 var(--cyan), 6px 0 var(--amber);
  }
  93% {
    transform: translate(3px, 0) skewX(6deg);
    text-shadow: 6px 0 var(--cyan), -6px 0 var(--amber);
  }
  95% {
    transform: none;
    text-shadow: 2px 0 rgba(var(--cyan-rgb), 0.85), -2px 0 rgba(var(--amber-rgb), 0.85);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
}

@media (prefers-reduced-motion: no-preference) {
  header,
  main > section {
    animation: rise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) backwards;
  }
  main > section:nth-child(1) { animation-delay: 0.1s; }
  main > section:nth-child(2) { animation-delay: 0.2s; }
  main > section:nth-child(3) { animation-delay: 0.3s; }
  main > section:nth-child(4) { animation-delay: 0.4s; }
  main > section:nth-child(5) { animation-delay: 0.5s; }
  main > section:nth-child(6) { animation-delay: 0.6s; }
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  main {
    grid-template-columns: 1fr;
  }
  .contact,
  .skills {
    grid-column: auto;
  }
}

/* ---------- Accessibility: respect reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}