/* ============================================================
   Swagat Adhikary — portfolio styles
   You should NOT need to edit this file to update your info —
   edit content.js instead.
   ============================================================ */

:root {
  --bg: #060913;
  --bg-soft: #0b101f;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e6edf7;
  --text-dim: #93a1b8;
  --accent: #22d3ee;
  --accent-2: #a78bfa;
  --gradient: linear-gradient(100deg, var(--accent), var(--accent-2));
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --nav-h: 68px;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}

::selection { background: var(--accent); color: #04141a; }

.mono { font-family: var(--mono); }

a { color: var(--accent); text-decoration: none; }

img { max-width: 100%; display: block; }

/* subtle background texture */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(34, 211, 238, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(167, 139, 250, 0.07), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ---------- scroll progress ---------- */
.progress-bar {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 0%;
  background: var(--gradient);
  z-index: 1001;
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.6);
}

/* ---------- cursor glow ---------- */
.cursor-glow {
  position: fixed;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.07), transparent 60%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 0;
  transition: opacity 0.3s;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 48px);
  z-index: 1000;
  background: rgba(6, 9, 19, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--card-border); }

.nav-logo {
  font-family: var(--mono);
  font-size: 1.25rem; font-weight: 700;
  color: var(--text);
}
.nav-logo span {
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex; gap: 28px; list-style: none; align-items: center;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 0.92rem;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links .nav-cta {
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 8px 18px; border-radius: 8px;
  transition: background 0.2s;
}
.nav-links .nav-cta:hover { background: rgba(34, 211, 238, 0.1); }

.nav-burger { display: none; background: none; border: 0; cursor: pointer; }
.nav-burger span {
  display: block; width: 24px; height: 2px; margin: 5px 0;
  background: var(--text); transition: 0.3s;
}

@media (max-width: 780px) {
  .nav-burger { display: block; }
  .nav-links {
    position: fixed; top: var(--nav-h); right: 0;
    flex-direction: column; align-items: flex-end;
    background: rgba(9, 13, 26, 0.97);
    width: min(70vw, 300px);
    padding: 28px; gap: 22px;
    border-left: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
    border-radius: 0 0 0 var(--radius);
    transform: translateX(110%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateX(0); }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding: var(--nav-h) clamp(20px, 8vw, 120px) 40px;
}
#particles {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}
.hero-inner { position: relative; z-index: 1; max-width: 860px; }

.hero-hello { color: var(--accent); font-size: 1rem; margin-bottom: 18px; }

.hero-name {
  font-size: clamp(2.6rem, 7.5vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #fff 30%, var(--accent) 70%, var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
}

.hero-role {
  font-size: clamp(1.3rem, 3.5vw, 2.1rem);
  font-weight: 600;
  color: var(--text-dim);
  min-height: 1.4em;
  margin-bottom: 24px;
}
.hero-role .mono { color: var(--accent); }
.type-caret {
  color: var(--accent);
  animation: blink 1s step-end infinite;
  font-weight: 400;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-tagline {
  color: var(--text-dim);
  font-size: 1.08rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }

.hero-links { display: flex; gap: 20px; }
.hero-links a {
  font-family: var(--mono); font-size: 0.88rem;
  color: var(--text-dim);
  transition: color 0.2s, transform 0.2s;
}
.hero-links a:hover { color: var(--accent); transform: translateY(-2px); }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 42px;
  border: 2px solid var(--text-dim);
  border-radius: 14px;
  opacity: 0.6;
}
.scroll-hint span {
  position: absolute; top: 7px; left: 50%;
  width: 4px; height: 8px; border-radius: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  animation: scrollhint 1.8s ease-in-out infinite;
}
@keyframes scrollhint {
  0% { opacity: 1; top: 7px; }
  70% { opacity: 0; top: 22px; }
  100% { opacity: 0; top: 7px; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  cursor: pointer;
  border: 0;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn-primary {
  background: var(--gradient);
  color: #04141a;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.35);
}
.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-ghost:hover { background: rgba(34, 211, 238, 0.1); transform: translateY(-3px); }
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }

/* ---------- sections ---------- */
.section {
  position: relative; z-index: 1;
  max-width: 1060px;
  margin: 0 auto;
  padding: clamp(70px, 10vw, 120px) clamp(20px, 5vw, 40px);
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 800;
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 44px;
  white-space: nowrap;
}
.section-num { color: var(--accent); font-size: 0.8em; font-weight: 400; }
.section-title::after {
  content: "";
  flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--card-border), transparent);
}

/* ---------- reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 780px) { .about-grid { grid-template-columns: 1fr; } }

.about-text p { color: var(--text-dim); margin-bottom: 18px; font-size: 1.03rem; }
.about-text p strong { color: var(--text); }

.photo-frame {
  position: relative;
  border-radius: var(--radius);
  max-width: 320px;
  margin: 0 auto;
}
.photo-frame::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: var(--radius);
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  z-index: 1;
}
.photo-frame::after {
  content: "";
  position: absolute; inset: 14px -14px -14px 14px;
  border: 2px solid rgba(34, 211, 238, 0.35);
  border-radius: var(--radius);
  z-index: -1;
  transition: transform 0.3s;
}
.photo-frame:hover::after { transform: translate(-6px, -6px); }
.photo-frame img {
  border-radius: var(--radius);
  filter: saturate(0.95);
  transition: filter 0.3s;
}
.photo-frame:hover img { filter: saturate(1.1); }

/* ---------- stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-top: 56px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}
.stat:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.4); }
.stat-value {
  font-family: var(--mono);
  font-size: 2.2rem; font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 0.9rem; margin-top: 6px; }

/* ---------- timeline / experience ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2), transparent);
  opacity: 0.4;
}
.tl-item { position: relative; padding-bottom: 44px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute; left: -33px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.6);
}
.tl-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.tl-card:hover {
  transform: translateX(6px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.tl-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; flex-wrap: wrap; margin-bottom: 4px;
}
.tl-role { font-size: 1.12rem; font-weight: 700; }
.tl-role .at { color: var(--accent); }
.tl-dates { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); }
.tl-location { font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); margin-bottom: 14px; }
.tl-points { list-style: none; }
.tl-points li {
  position: relative;
  padding-left: 22px;
  color: var(--text-dim);
  font-size: 0.96rem;
  margin-bottom: 8px;
}
.tl-points li::before {
  content: "▹";
  position: absolute; left: 0;
  color: var(--accent);
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: 4px 11px; border-radius: 999px;
}

/* ---------- projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.project-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex; flex-direction: column;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(167, 139, 250, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.project-card:hover::before { opacity: 1; }
.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.4);
}
.project-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 14px;
}
.project-folder { font-size: 1.8rem; }
.project-links a {
  font-family: var(--mono); font-size: 0.78rem;
  margin-left: 12px;
  color: var(--text-dim);
}
.project-links a:hover { color: var(--accent); }
.project-name { font-size: 1.18rem; font-weight: 700; margin-bottom: 4px; }
.project-year { font-family: var(--mono); font-size: 0.75rem; color: var(--text-dim); margin-bottom: 12px; }
.project-desc { color: var(--text-dim); font-size: 0.94rem; flex: 1; }
.project-award {
  margin-top: 14px;
  font-size: 0.85rem;
  color: #fbbf24;
}

/* ---------- skills ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}
.skill-group {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s, border-color 0.25s;
}
.skill-group:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.35); }
.skill-cat {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 9px; }
.skill-chip {
  font-size: 0.85rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  padding: 6px 14px; border-radius: 999px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.skill-chip:hover {
  border-color: var(--accent-2);
  background: rgba(167, 139, 250, 0.1);
  transform: scale(1.06);
}

/* ---------- education ---------- */
.education-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}
.edu-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.25s, border-color 0.25s;
}
.edu-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.35); }
.edu-school { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.edu-degree { color: var(--accent); font-size: 0.95rem; margin-bottom: 4px; }
.edu-dates { font-family: var(--mono); font-size: 0.78rem; color: var(--text-dim); margin-bottom: 14px; }
.edu-details { list-style: none; }
.edu-details li {
  position: relative; padding-left: 22px;
  color: var(--text-dim); font-size: 0.92rem; margin-bottom: 6px;
}
.edu-details li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }

/* ---------- contact ---------- */
.section-contact { text-align: center; max-width: 640px; }
.contact-kicker { color: var(--accent); margin-bottom: 14px; }
.contact-title { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; margin-bottom: 16px; }
.contact-blurb { color: var(--text-dim); margin-bottom: 36px; }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 26px clamp(20px, 5vw, 48px);
  position: relative; z-index: 1;
}
.footer-inner {
  max-width: 1060px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  gap: 14px; flex-wrap: wrap;
}
.footer-note, .footer-status { font-size: 0.78rem; color: var(--text-dim); }
.footer-status { display: flex; align-items: center; gap: 8px; }

.status-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 0;
  background: #34d399;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.8);
  cursor: pointer;
  animation: pulse 2.4s ease-in-out infinite;
  padding: 0;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(0.8); opacity: 0.7; }
}

/* ---------- vault modal ---------- */
.vault-overlay[hidden] { display: none; }
.vault-overlay {
  position: fixed; inset: 0;
  background: rgba(3, 5, 12, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  padding: 20px;
}
.vault-modal {
  position: relative;
  width: min(400px, 100%);
  background: var(--bg-soft);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: var(--radius);
  padding: 40px 34px;
  text-align: center;
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.15);
  animation: vaultIn 0.35s ease;
}
@keyframes vaultIn {
  from { transform: scale(0.92) translateY(14px); opacity: 0; }
  to { transform: none; opacity: 1; }
}
.vault-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: 0;
  color: var(--text-dim); font-size: 1rem;
  cursor: pointer;
}
.vault-close:hover { color: var(--text); }
.vault-icon { font-size: 2.4rem; margin-bottom: 10px; }
.vault-title { font-size: 1.15rem; color: var(--text); margin-bottom: 6px; }
.vault-subtitle { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 26px; }
.vault-label {
  display: block; text-align: left;
  font-size: 0.72rem; color: var(--accent);
  margin: 14px 0 5px;
}
.vault-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  padding: 11px 14px;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.vault-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.vault-error { color: #f87171; font-size: 0.78rem; margin-top: 14px; }
.vault-submit { width: 100%; margin-top: 22px; }

.vault-links { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.vault-link {
  display: block; text-align: left;
  padding: 12px 16px;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.vault-link:hover {
  border-color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
  transform: translateX(4px);
}
.vault-link-label { display: block; font-weight: 600; color: var(--text); }
.vault-link-desc {
  display: block;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-dim); margin-top: 2px;
}
.vault-modal.shake { animation: shake 0.4s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .status-dot, .type-caret, .scroll-hint span { animation: none; }
}