@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@500;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root{
  --bg:#f4f5f0;--pn:#fff;--ink:#16181d;--mut:#6a7080;--ln:#dcdfd6;--ac:#e8590c;--ok:#2b8a3e;--er:#c92a2a;
  --tm:#14171c;--tt:#d7dde8;--t-border:#2a2f39;--t-prompt:#8ce99a;--t-chip:#1a1e25;--t-chip-txt:#b8c0cf;--t-glow:none;
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#101216;--pn:#181b21;--ink:#e9ecf2;--mut:#8b93a5;--ln:#2a2f39;--ac:#ff8a3d;--ok:#51cf66;--er:#ff6b6b;
  }
}
:root[data-theme="dark"]{
  --bg:#101216;--pn:#181b21;--ink:#e9ecf2;--mut:#8b93a5;--ln:#2a2f39;--ac:#ff8a3d;--ok:#51cf66;--er:#ff6b6b;
}
:root[data-theme="light"]{
  --bg:#f4f5f0;--pn:#fff;--ink:#16181d;--mut:#6a7080;--ln:#dcdfd6;--ac:#e8590c;--ok:#2b8a3e;--er:#c92a2a;
}

/* Terminal themes applied across all pages */
:root, :root[data-term-theme="default"]{
  --tm:#14171c;--tt:#d7dde8;--t-border:#2a2f39;--t-prompt:#8ce99a;--t-chip:#1a1e25;--t-chip-txt:#b8c0cf;--t-glow:none;
}
:root[data-term-theme="dark"]{
  --tm:#08090c;--tt:#f0f3f8;--t-border:#242933;--t-prompt:#60a5fa;--t-chip:#131720;--t-chip-txt:#d1d5db;--t-glow:none;
}
:root[data-term-theme="matrix"]{
  --tm:#040d06;--tt:#00ff66;--t-border:#0e4018;--t-prompt:#00ff66;--t-chip:#08210d;--t-chip-txt:#4ade80;--t-glow:0 0 10px rgba(0,255,102,0.25);
}
:root[data-term-theme="golden"]{
  --tm:#130e04;--tt:#ffc83b;--t-border:#3d2c08;--t-prompt:#ffb703;--t-chip:#241a05;--t-chip-txt:#fde68a;--t-glow:0 0 10px rgba(255,200,59,0.25);
}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Bricolage Grotesque",system-ui,sans-serif}
nav{display:flex;gap:18px;align-items:center;padding:14px 22px;border-bottom:1px solid var(--ln);flex-wrap:wrap}
nav a{color:var(--ink);text-decoration:none;font-weight:600}
nav a:hover, nav a.active{color:var(--ac)}
nav .logo{font-weight:800;font-size:22px;margin-right:auto}
nav b{color:var(--ac)}
main{max-width:860px;margin:0 auto;padding:36px 22px}
h1{font-size:44px;line-height:1.1;letter-spacing:-.02em;margin:0 0 12px}
button{font:inherit;cursor:pointer;color:inherit}
.btn{display:inline-block;background:var(--ac);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:all .15s}
.btn:hover{opacity:.9}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.outline{background:var(--pn);color:var(--ink);border:1px solid var(--ln)}
.btn.outline:hover{border-color:var(--ac)}
.btn.sm{padding:6px 12px;font-size:13px}
.card{background:var(--pn);border:1px solid var(--ln);border-radius:12px;padding:16px 18px;margin:12px 0}
code,input{font-family:"JetBrains Mono",ui-monospace,monospace}
input{width:100%;padding:10px;border:1px solid var(--ln);border-radius:8px;background:var(--pn);color:var(--ink);font-size:16px}
input:focus-visible,button:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
table{width:100%;border-collapse:collapse}
td,th{text-align:left;padding:8px;border-bottom:1px solid var(--ln)}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;font-weight:700;background:var(--ln);color:var(--ink)}
.badge.ok{background:color-mix(in srgb,var(--ok) 20%,transparent);color:var(--ok)}
.badge.ac{background:color-mix(in srgb,var(--ac) 20%,transparent);color:var(--ac)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}

/* 3D Button and depth effects */
.btn-3d {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #84cc16;
  color: #142a0a;
  border: 0;
  border-radius: 12px;
  padding: 12px 26px;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 5px 0 #4d7c0f, 0 10px 20px rgba(132, 204, 22, 0.35);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.15s ease;
  transform: translateY(0);
  text-decoration: none;
}
.btn-3d:hover {
  background: #9ae624;
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #4d7c0f, 0 14px 26px rgba(132, 204, 22, 0.45);
}
.btn-3d:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #4d7c0f, 0 4px 10px rgba(132, 204, 22, 0.2);
}

.btn-3d.orange {
  background: #ff8a3d;
  color: #fff;
  box-shadow: 0 5px 0 #d9480f, 0 10px 20px rgba(255, 138, 61, 0.35);
}
.btn-3d.orange:hover {
  background: #ffa94d;
  box-shadow: 0 7px 0 #d9480f, 0 14px 26px rgba(255, 138, 61, 0.45);
}
.btn-3d.orange:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #d9480f;
}

/* Modal Overlay & Card Container matching user reference */
.gq-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 6, 18, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
  animation: modalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.gq-modal {
  background: radial-gradient(ellipse at 50% 0%, #231b48 0%, #130f28 100%);
  color: #e9ecf8;
  border: 2px solid #372b64;
  border-radius: 26px;
  max-width: 920px;
  width: 100%;
  padding: 30px 34px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 50px rgba(112, 72, 232, 0.2);
  position: relative;
  overflow: hidden;
  perspective: 1000px;
}

.gq-modal::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(132, 204, 22, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.gq-modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #5b21b6;
  color: #f5f3ff;
  border: 1px solid #7c3aed;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 12px;
  box-shadow: 0 2px 12px rgba(124, 58, 237, 0.35);
}

.gq-modal-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.gq-modal-sub {
  color: #a49fc4;
  font-size: 14.5px;
  margin: 0 0 24px;
  line-height: 1.5;
  max-width: 720px;
}

/* 3-card difficulty grid */
.gq-diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
@media (max-width: 780px) {
  .gq-diff-grid { grid-template-columns: 1fr; }
}

.gq-diff-card {
  background: #1b1733;
  border: 2px solid #2d2452;
  border-radius: 18px;
  padding: 22px 18px;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s, box-shadow 0.2s, background 0.2s;
  transform-style: preserve-3d;
}

.gq-diff-card:hover {
  transform: translateY(-4px) scale(1.015);
  border-color: #4b3d7a;
  background: #221d3f;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45);
}

.gq-diff-card.selected {
  background: #201b3d;
  border-color: #84cc16;
  box-shadow: 0 0 0 1.5px #84cc16, 0 12px 35px rgba(132, 204, 22, 0.3);
  transform: translateY(-3px);
}
.gq-diff-card[data-level="advanced"].selected {
  border-color: #84cc16;
  box-shadow: 0 0 0 1.5px #84cc16, 0 12px 35px rgba(132, 204, 22, 0.3);
}
.gq-diff-card[data-level="pro"].selected {
  border-color: #84cc16;
  box-shadow: 0 0 0 1.5px #84cc16, 0 12px 35px rgba(132, 204, 22, 0.3);
}

.gq-diff-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.gq-diff-icon {
  font-size: 28px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.gq-diff-radio {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #4a3e75;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  transition: all 0.2s;
}

.gq-diff-card.selected .gq-diff-radio {
  background: #84cc16;
  border-color: #84cc16;
  color: #142a0a;
}

.gq-diff-title {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 4px;
  color: #fff;
}

.gq-diff-desc {
  font-size: 13px;
  color: #9d98be;
  margin: 0 0 16px;
}

.gq-diff-topics-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #7d779f;
  font-weight: 700;
  margin-bottom: 8px;
}

.gq-diff-pills {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.gq-diff-pill {
  background: #252044;
  color: #c9c4e4;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid #362e5e;
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gq-diff-footer {
  border-top: 1px solid #2d2650;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #9c97bc;
}
.gq-diff-footer b {
  color: #facc15;
  font-weight: 800;
}

/* 3D Ticker Tape at bottom matching user screenshot */
.gq-ticker-wrap {
  width: 100%;
  overflow: hidden;
  background: #84cc16;
  border-top: 3px solid #65a30d;
  border-bottom: 3px solid #65a30d;
  color: #142a0a;
  padding: 10px 0;
  font: 800 13.5px "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  position: relative;
  user-select: none;
  box-shadow: 0 0 25px rgba(132, 204, 22, 0.35);
}
.gq-ticker-move {
  display: inline-flex;
  white-space: nowrap;
  animation: gqTicker 28s linear infinite;
}
@keyframes gqTicker {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

/* Tilt interaction */
.tilt-card {
  transition: transform 0.15s ease-out;
  transform-style: preserve-3d;
  will-change: transform;
}

/* Landing Page Peak Enhancements */
.gradient-text {
  background: linear-gradient(135deg, var(--ink) 20%, var(--ac) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
  padding: 40px 0 60px;
}
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; padding: 24px 0 40px; }
}

.hero-window {
  background: #121420;
  border: 1.5px solid #282c44;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0,0,0,0.45), 0 0 30px rgba(232,89,12,0.12);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.hero-window:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.01);
  box-shadow: 0 30px 70px rgba(0,0,0,0.55), 0 0 40px rgba(232,89,12,0.2);
}

.window-bar {
  background: #181b2a;
  border-bottom: 1px solid #282c44;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.window-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }
.window-title { margin-left: auto; font: 600 11.5px "JetBrains Mono", monospace; color: #727a9c; }

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #51cf66;
  box-shadow: 0 0 10px #51cf66;
  display: inline-block;
  animation: pulseDot 1.8s infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.bento-card {
  background: var(--pn);
  border: 1px solid var(--ln);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s, border-color 0.2s;
}
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.08);
  border-color: var(--ac);
}
@media (prefers-color-scheme: dark) {
  .bento-card:hover { box-shadow: 0 16px 36px rgba(0,0,0,0.4); }
}

.stat-pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pn);
  border: 1px solid var(--ln);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

/* Roadmap timeline */
.roadmap-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  margin: 28px 0;
}
@media (max-width: 900px) {
  .roadmap-container { grid-template-columns: 1fr; }
}
.roadmap-step {
  background: var(--pn);
  border: 1px solid var(--ln);
  border-radius: 16px;
  padding: 22px 18px;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.roadmap-step:hover {
  transform: translateY(-4px);
  border-color: var(--ac);
  box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}
.roadmap-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ac) 15%, transparent);
  color: var(--ac);
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 14px;
  margin-bottom: 14px;
  border: 1px solid color-mix(in srgb, var(--ac) 30%, transparent);
}

/* Comparison Table */
.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--ln);
  background: var(--pn);
  font-size: 14.5px;
}
.compare-table th, .compare-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--ln);
}
.compare-table th {
  background: color-mix(in srgb, var(--pn) 90%, var(--bg));
  font-weight: 700;
  text-align: left;
}
.compare-table th.highlight, .compare-table td.highlight {
  background: color-mix(in srgb, var(--ac) 8%, var(--pn));
  border-left: 2px solid var(--ac);
  border-right: 2px solid var(--ac);
  font-weight: 700;
}
.compare-table tr:last-child td {
  border-bottom: 0;
}

/* FAQ Accordion */
.faq-accordion {
  border: 1px solid var(--ln);
  border-radius: 14px;
  margin-bottom: 12px;
  background: var(--pn);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-accordion:hover {
  border-color: var(--ac);
}
.faq-header {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  user-select: none;
}
.faq-icon {
  font-size: 20px;
  font-weight: 300;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--mut);
}
.faq-accordion.open .faq-icon {
  transform: rotate(45deg);
  color: var(--ac);
}
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 22px;
  color: var(--mut);
  font-size: 14.5px;
  line-height: 1.6;
}
.faq-accordion.open .faq-body {
  max-height: 250px;
  padding: 0 22px 20px;
}

/* Diff Box Preview */
.diff-box {
  background: #0d1117;
  color: #e6edf3;
  border-radius: 12px;
  border: 1px solid #30363d;
  font: 12.5px/1.6 "JetBrains Mono", monospace;
  overflow: hidden;
}
.diff-line-del {
  background: rgba(248, 81, 73, 0.16);
  color: #ff7b72;
  padding: 4px 14px;
  display: block;
}
.diff-line-add {
  background: rgba(46, 160, 67, 0.16);
  color: #3fb950;
  padding: 4px 14px;
  display: block;
}
.diff-line-ctx {
  color: #8b949e;
  padding: 4px 14px;
  display: block;
}
.diff-line-hdr {
  background: #161b22;
  color: #58a6ff;
  padding: 5px 14px;
  display: block;
  font-weight: 600;
  border-bottom: 1px solid #30363d;
}

/* Peak Modern Developer Footer */
.gq-footer-wrap {
  background: var(--pn);
  border-top: 1px solid var(--ln);
  margin-top: 60px;
}
.gq-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 54px 0 36px;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-col h4 {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-col a {
  color: var(--mut);
  text-decoration: none;
  font-size: 13.5px;
  transition: color 0.15s ease, transform 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col a:hover {
  color: var(--ac);
  transform: translateX(4px);
}
.creator-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 99px;
  background: linear-gradient(135deg, rgba(232,89,12,0.12), rgba(132,204,22,0.12));
  border: 1.5px solid rgba(232,89,12,0.3);
  font-size: 13.5px;
  color: var(--ink);
  margin: 16px 0 18px;
  box-shadow: 0 4px 14px rgba(232,89,12,0.08);
  transition: transform 0.2s, box-shadow 0.2s;
}
.creator-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(232,89,12,0.15);
  border-color: var(--ac);
}
.creator-badge strong {
  color: var(--ac);
  font-weight: 800;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 24px 0 36px;
  border-top: 1px solid var(--ln);
  font-size: 13px;
  color: var(--mut);
}

/* Conflict Studio Interactive Widget */
.conflict-studio {
  background: #0f111a;
  border: 1.5px solid #282c44;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  font: 13px/1.6 "JetBrains Mono", monospace;
  color: #d7dde8;
}
.conflict-bar {
  background: #181b2a;
  padding: 10px 16px;
  border-bottom: 1px solid #282c44;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 12px;
}
.conflict-btn {
  background: #252a40;
  color: #a5b4fc;
  border: 1px solid #3d4468;
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.conflict-btn:hover {
  background: var(--ac);
  color: #fff;
  border-color: var(--ac);
}
.conflict-sec-head {
  background: rgba(30, 64, 175, 0.2);
  border-left: 3px solid #3b82f6;
  padding: 6px 14px;
  color: #93c5fd;
}
.conflict-sec-curr {
  background: rgba(59, 130, 246, 0.08);
  padding: 4px 14px;
  color: #bfdbfe;
}
.conflict-sec-div {
  background: rgba(100, 116, 139, 0.2);
  border-left: 3px solid #64748b;
  padding: 4px 14px;
  color: #94a3b8;
}
.conflict-sec-inc {
  background: rgba(34, 197, 94, 0.08);
  padding: 4px 14px;
  color: #bbf7d0;
}
.conflict-sec-foot {
  background: rgba(22, 101, 52, 0.2);
  border-left: 3px solid #22c55e;
  padding: 6px 14px;
  color: #86efac;
}

/* World-Class Cyber Authenticator Modal */
.auth-modal-card {
  background: radial-gradient(ellipse at 50% -10%, #201a44 0%, #120e26 70%, #0a0817 100%);
  color: #f1f5f9;
  border: 1.5px solid rgba(139, 92, 246, 0.45);
  border-radius: 26px;
  max-width: 520px;
  width: 100%;
  padding: 34px 32px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.85), 0 0 50px rgba(124, 58, 237, 0.25);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}
.auth-modal-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(232, 89, 12, 0.2) 0%, transparent 70%);
  pointer-events: none;
}
.auth-modal-card::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.auth-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  border: 1px solid rgba(196, 181, 253, 0.35);
  color: #fff;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.06em;
  padding: 5px 14px;
  border-radius: 99px;
  box-shadow: 0 2px 14px rgba(124, 58, 237, 0.4);
}

.auth-close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94a3b8;
  display: grid;
  place-items: center;
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}
.auth-close-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #fca5a5;
  transform: rotate(90deg);
}

/* Segmented Control Switcher */
.auth-segmented-switch {
  display: flex;
  background: #0c0a19;
  border: 1.5px solid #292147;
  border-radius: 14px;
  padding: 4px;
  margin-bottom: 22px;
  gap: 4px;
}
.auth-seg-btn {
  flex: 1;
  padding: 10px 14px;
  border: 0;
  background: transparent;
  color: #94a3b8;
  font-weight: 700;
  font-size: 13.5px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.auth-seg-btn.active {
  background: linear-gradient(135deg, #ff8a3d, #e8590c);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232, 89, 12, 0.35);
}

/* Certificate VIP Notice */
.auth-cert-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.06));
  border: 1.5px solid rgba(245, 158, 11, 0.45);
  border-radius: 14px;
  padding: 13px 15px;
  margin-bottom: 20px;
  box-shadow: inset 0 1px 0 rgba(254, 240, 138, 0.2);
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.auth-cert-icon {
  font-size: 22px;
  flex: none;
  filter: drop-shadow(0 2px 6px rgba(245, 158, 11, 0.4));
}
.auth-cert-text {
  font-size: 12.5px;
  line-height: 1.5;
  color: #fef3c7;
}
.auth-cert-text strong {
  color: #fde047;
}

/* Modern Input with Left Icon */
.auth-field-wrap {
  margin-bottom: 16px;
  position: relative;
}
.auth-field-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #a5b4fc;
  margin-bottom: 7px;
}
.auth-field-label span.req {
  color: #f59e0b;
  font-size: 11px;
  text-transform: none;
  font-weight: 700;
}
.auth-input-container {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-input-icon {
  position: absolute;
  left: 14px;
  font-size: 15px;
  color: #818cf8;
  pointer-events: none;
  display: flex;
  align-items: center;
}
.auth-input-el {
  width: 100%;
  background: #141128;
  border: 1.5px solid #2e2652;
  color: #fff;
  padding: 12px 14px 12px 42px;
  border-radius: 12px;
  font: 14px/1.4 "Bricolage Grotesque", system-ui, sans-serif;
  outline: 0;
  transition: all 0.2s ease;
}
.auth-input-el:focus {
  border-color: #ff8a3d;
  background: #191434;
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.25), 0 0 20px rgba(232, 89, 12, 0.15);
}
.auth-input-el::placeholder {
  color: #615a85;
}

/* Vibrant Dual-Color 3D Action Button */
.auth-submit-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #ff8a3d, #e8590c);
  color: #fff;
  border: 0;
  border-radius: 13px;
  padding: 13px 20px;
  font-size: 15.5px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 5px 0 #b33e04, 0 12px 26px rgba(232, 89, 12, 0.4);
  transition: all 0.12s cubic-bezier(0.16, 1, 0.3, 1);
  margin-top: 6px;
}
.auth-submit-btn:hover {
  background: linear-gradient(135deg, #ffa94d, #f76707);
  transform: translateY(-2px);
  box-shadow: 0 7px 0 #b33e04, 0 16px 30px rgba(232, 89, 12, 0.5);
}
.auth-submit-btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #b33e04, 0 4px 10px rgba(232, 89, 12, 0.2);
}
.auth-submit-btn.green {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 5px 0 #047857, 0 12px 26px rgba(16, 185, 129, 0.4);
}
.auth-submit-btn.green:hover {
  background: linear-gradient(135deg, #34d399, #10b981);
  box-shadow: 0 7px 0 #047857, 0 16px 30px rgba(16, 185, 129, 0.5);
}
.auth-submit-btn.green:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 #047857, 0 4px 10px rgba(16, 185, 129, 0.2);
}

/* Informative Git Architecture Diagram */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  position: relative;
  margin: 32px 0;
}
@media (max-width: 900px) {
  .arch-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .arch-grid { grid-template-columns: 1fr; }
}

.arch-card {
  background: var(--pn);
  border: 1.5px solid var(--ln);
  border-radius: 18px;
  padding: 24px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.arch-card:hover {
  transform: translateY(-4px);
  border-color: var(--ac);
  box-shadow: 0 16px 36px rgba(0,0,0,0.08);
}
.arch-num {
  font: 800 12px "JetBrains Mono", monospace;
  color: var(--ac);
  background: color-mix(in srgb, var(--ac) 12%, var(--pn));
  border: 1px solid color-mix(in srgb, var(--ac) 30%, transparent);
  padding: 3px 10px;
  border-radius: 99px;
  display: inline-block;
  margin-bottom: 12px;
  width: fit-content;
}
.arch-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}
.arch-card p {
  color: var(--mut);
  font-size: 13.5px;
  line-height: 1.55;
  margin: 0 0 14px;
}
.arch-badge {
  font: 700 12px "JetBrains Mono", monospace;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--ink);
}

/* Interactive Decision Matrix */
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 28px 0;
}
@media (max-width: 920px) {
  .matrix-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .matrix-grid { grid-template-columns: 1fr; }
}

.matrix-card {
  background: var(--pn);
  border: 1.5px solid var(--ln);
  border-radius: 18px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}
.matrix-card:hover {
  border-color: var(--ac);
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0,0,0,0.08);
}
.matrix-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 12px;
  width: fit-content;
}
.matrix-cmd {
  background: #0d1117;
  color: #38bdf8;
  font: 700 12.5px/1.5 "JetBrains Mono", monospace;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid #282e44;
  margin-top: 12px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Informative Glossary Grid */
.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}
@media (max-width: 860px) {
  .glossary-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .glossary-grid { grid-template-columns: 1fr; }
}

.glossary-card {
  background: var(--pn);
  border: 1px solid var(--ln);
  border-radius: 16px;
  padding: 20px 18px;
  transition: all 0.2s ease;
}
.glossary-card:hover {
  border-color: var(--ac);
  transform: translateY(-3px);
}
.glossary-term {
  font-weight: 800;
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.glossary-def {
  font-size: 13.5px;
  color: var(--mut);
  line-height: 1.55;
  margin: 0;
}