/* ============================================================
   itskwok.me — 终端极客风
   Guo Ke · Kwok
   Design language: a running terminal session.
   Palette: deep green-black + mint accent + mono type
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --max-width: 1080px;
  --radius: 8px;
  --radius-sm: 4px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);

  /* Terminal palette — consistent across themes */
  --green: #34d399;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --yellow: #fbbf24;
  --red: #f87171;
  --green-dim: rgba(52, 211, 153, 0.5);
  --green-soft: rgba(52, 211, 153, 0.12);
  --green-glow: rgba(52, 211, 153, 0.28);
}

/* Dark terminal (default) */
[data-theme="dark"] {
  --bg: #0a0f0a;
  --bg-elev: #0f1710;
  --bg-card: rgba(52, 211, 153, 0.04);
  --bg-hover: rgba(52, 211, 153, 0.08);
  --text: #e6ede9;
  --text-dim: #93a89b;
  --text-faint: #4d5f53;
  --border: rgba(52, 211, 153, 0.16);
  --border-strong: rgba(52, 211, 153, 0.38);
  --grid-line: rgba(52, 211, 153, 0.05);
}

/* Light terminal */
[data-theme="light"] {
  --bg: #f4f7f5;
  --bg-elev: #ffffff;
  --bg-card: rgba(16, 122, 87, 0.04);
  --bg-hover: rgba(16, 122, 87, 0.07);
  --text: #0f231a;
  --text-dim: #45614f;
  --text-faint: #7d9186;
  --border: rgba(16, 122, 87, 0.18);
  --border-strong: rgba(16, 122, 87, 0.45);
  --grid-line: rgba(16, 122, 87, 0.06);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 15.5px;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

/* CRT scanlines overlay */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 200;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.025) 0px,
    rgba(0, 0, 0, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: multiply;
}
[data-theme="dark"] body::before {
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.012) 0px,
    rgba(255, 255, 255, 0.012) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: normal;
}

::selection { background: var(--green); color: #0a0f0a; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; background: none; border: none; color: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: fixed; top: -60px; left: 16px; z-index: 300;
  background: var(--green); color: #0a0f0a;
  padding: 10px 18px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 0.85rem; transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

/* ---------- Terminal primitives ---------- */
/* Prompt marker */
.prompt { color: var(--green); font-weight: 700; }
.prompt::before { content: "$ "; }
.prompt .cmd { color: var(--text); }
.prompt .arg { color: var(--purple); }
.prompt .flag { color: var(--yellow); }

/* Comments (code-style, e.g. # tag) */
.cm { color: var(--cyan); }
/* Strings / values */
.str { color: var(--yellow); }
/* Types / keywords */
.kw { color: var(--purple); font-weight: 600; }

/* Block cursor blink */
.cursor-block {
  display: inline-block;
  width: 0.62em; height: 1.1em;
  background: var(--green);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: caret 1s step-end infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- Terminal window frame ---------- */
.term {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-elev) 70%, var(--bg));
}
.term-dots { display: flex; gap: 7px; flex-shrink: 0; }
.term-dots span {
  width: 11px; height: 11px; border-radius: 50%;
}
.term-dots span:nth-child(1) { background: var(--red); }
.term-dots span:nth-child(2) { background: var(--yellow); }
.term-dots span:nth-child(3) { background: var(--green); }
.term-title {
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.term-title::before { content: "~/"; color: var(--text-faint); }
.term-body { padding: 22px 26px; }

/* ---------- Header & nav ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 16px 0;
  transition: background 0.3s, border-color 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
  padding: 8px 0;
}

.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.02em;
}
.logo::before { content: "~/"; color: var(--text-faint); font-weight: 400; }
.logo::after { content: "_"; animation: caret 1s step-end infinite; }

.nav-links {
  display: flex; align-items: center; gap: 4px;
  list-style: none;
}
.nav-links a {
  display: inline-block;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--green); background: var(--bg-card); }
.nav-links a.active { color: var(--green); background: var(--green-soft); }
.nav-links a.active::before { content: "> "; color: var(--green); font-weight: 700; }

/* Theme toggle */
.theme-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: color var(--transition), border-color var(--transition);
}
.theme-toggle:hover { color: var(--green); border-color: var(--border-strong); }
.theme-toggle svg { width: 17px; height: 17px; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

/* Lang toggle */
.lang-toggle {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 600;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.lang-toggle:hover { color: var(--green); border-color: var(--border-strong); background: var(--green-soft); }

/* Nav toggle (mobile) */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 10px; }
.nav-toggle span {
  width: 22px; height: 2px; background: var(--text);
  border-radius: 2px; transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 90px;
  overflow: hidden;
}

/* grid backdrop */
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, #000 30%, transparent 100%);
  mask-image: radial-gradient(ellipse 90% 70% at 60% 40%, #000 30%, transparent 100%);
  pointer-events: none;
}

.hero-glow {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(620px 420px at 78% -8%, var(--green-soft), transparent 70%);
  pointer-events: none;
}

.hero-inner .line { min-height: 1.6em; }

.hero-tag {
  font-size: 0.9rem;
  color: var(--green);
  margin-bottom: 22px;
}
.hero-tag .cm { color: var(--cyan); }

.hero-title {
  font-size: clamp(2.6rem, 8vw, 6rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
  color: var(--text);
}
.hero-title .name { color: var(--green); text-shadow: 0 0 24px var(--green-glow); }
.hero-title .tilde { color: var(--text-faint); font-weight: 400; }

.hero-sub {
  font-size: clamp(1.05rem, 2.6vw, 1.35rem);
  color: var(--text);
  font-weight: 500;
  min-height: 1.9em;
  margin-bottom: 18px;
}
.typed-cursor { color: var(--green); animation: blink 0.85s step-end infinite; font-weight: 700; }
@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  color: var(--text-dim);
  max-width: 620px;
  font-size: 0.98rem;
  margin-bottom: 34px;
}
.hero-desc .kw { color: var(--purple); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Buttons — terminal command style */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  transition: transform 0.2s, box-shadow 0.3s, background 0.3s, border-color 0.3s, color 0.3s;
}
.btn-primary {
  background: var(--green);
  color: #0a0f0a;
  box-shadow: 0 2px 20px var(--green-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 28px var(--green-glow); }
.btn-ghost {
  border: 1px solid var(--border-strong);
  color: var(--green);
  background: var(--bg-card);
}
.btn-ghost:hover {
  border-color: var(--green);
  color: var(--text);
  transform: translateY(-2px);
  background: var(--green-soft);
}
.btn .prompt { color: inherit; }
.btn .prompt::before { content: "> "; }

/* Scroll hint — block style */
.scroll-hint {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  font-size: 0.8rem;
  color: var(--text-faint);
  display: flex; align-items: center; gap: 8px;
  animation: hintFloat 2.2s ease-in-out infinite;
}
.scroll-hint .prompt::before { content: ""; }
@keyframes hintFloat {
  0%, 100% { opacity: 0.55; transform: translate(-50%, 0); }
  50% { opacity: 1; transform: translate(-50%, 6px); }
}

/* ---------- Command sections ---------- */
.section { padding: 88px 0; position: relative; }

.section-cmd {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.section-cmd .prompt { color: var(--green); }

.section-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-bottom: 42px;
}
.section-note .cm { color: var(--cyan); }

.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 14px;
}

.text-link {
  font-weight: 600;
  color: var(--green);
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.92rem;
  transition: gap 0.2s;
}
.text-link:hover { gap: 12px; }
.text-link::before { content: "cd "; color: var(--yellow); font-weight: 400; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.about-text { font-size: 0.97rem; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; max-width: 62ch; }
.about-text strong, .about-text .kw { color: var(--green); font-weight: 600; }

.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
  align-content: start;
}
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  transition: border-color var(--transition), transform 0.25s;
}
.stat:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.stat-num {
  font-size: 1.9rem; font-weight: 700;
  color: var(--green);
  display: block;
  font-variant-numeric: tabular-nums;
}
.stat-label { font-size: 0.78rem; color: var(--text-dim); margin-top: 4px; }
.stat-label::before { content: "# "; color: var(--cyan); }

.skills { display: flex; flex-wrap: wrap; gap: 9px; }
.skill {
  font-size: 0.82rem;
  padding: 6px 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  transition: all 0.25s;
}
.skill:hover {
  color: var(--green);
  border-color: var(--border-strong);
  background: var(--green-soft);
  box-shadow: 0 0 12px var(--green-soft);
}

/* ---------- Experience timeline ---------- */
.timeline {
  display: flex; flex-direction: column;
  border-left: 2px solid var(--border-strong);
  margin: 8px 0 12px 6px;
  padding-left: 0;
}
.tl-item {
  position: relative;
  padding: 0 0 34px 26px;
}
.tl-item:last-child { padding-bottom: 4px; }
.tl-item::before {
  content: "";
  position: absolute; left: -6.5px; top: 6px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--green);
  box-shadow: 0 0 8px var(--green-soft);
}
.tl-year {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--cyan);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  margin-bottom: 10px;
}
.tl-title { font-size: 1.02rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.tl-desc { font-size: 0.9rem; color: var(--text-dim); max-width: 62ch; }

/* ---------- Skills groups ---------- */
.skill-groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.skill-group {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: border-color var(--transition), transform 0.25s;
}
.skill-group:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.skill-group-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}
.skill-group-title .kw { color: var(--green); }
.skill-group .skills { display: flex; flex-wrap: wrap; gap: 9px; }

/* ---------- Project cards (terminal windows) ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.project-card { display: flex; flex-direction: column; height: 100%; }
.project-card .term-body { flex: 1; display: flex; flex-direction: column; padding: 20px 22px; }

.project-clone {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 16px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.project-clone .prompt { font-size: 0.78rem; }
.project-clone .url { color: var(--purple); }

.project-card-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.project-status {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid var(--border-strong);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}
.project-status::before { content: "● "; font-size: 0.6rem; }
.project-arrow {
  font-size: 1.05rem;
  color: var(--text-faint);
  transition: color 0.3s, transform 0.3s;
}
.project-card:hover .project-arrow { color: var(--green); transform: translate(3px, -3px); }

.project-title {
  font-size: 1.25rem; font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.project-title::before { content: ">> "; color: var(--green); }
.project-desc { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 16px; flex: 1; }
.project-meta { display: flex; flex-wrap: wrap; gap: 7px; }
.project-meta span {
  font-size: 0.72rem;
  color: var(--cyan);
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--cyan) 30%, transparent);
  padding: 2px 9px;
  border-radius: var(--radius-sm);
}
.project-meta span::before { content: "# "; color: var(--cyan); }

/* ---------- Post list (filesystem) ---------- */
.post-list { display: flex; flex-direction: column; gap: 10px; }
.post-item {
  display: grid;
  grid-template-columns: 118px 1fr auto;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
  transition: transform 0.25s, border-color 0.25s, background 0.25s;
}
.post-item:hover {
  transform: translateX(6px);
  border-color: var(--border-strong);
  background: var(--bg-hover);
}
.post-item:hover .post-title { color: var(--green); }
.post-item::before { content: ">"; color: var(--text-faint); font-weight: 700; transition: color 0.25s; }
.post-item:hover::before { color: var(--green); }

.post-date {
  font-size: 0.78rem;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}
.post-date::before { content: "["; color: var(--yellow); }
.post-date::after { content: "]"; color: var(--yellow); }
.post-title { font-size: 1.02rem; font-weight: 600; transition: color 0.25s; }
.post-excerpt { color: var(--text-dim); font-size: 0.85rem; margin-top: 3px; }
.post-cat {
  font-size: 0.72rem;
  color: var(--green);
  background: var(--green-soft);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.post-cat::before { content: ".md"; color: var(--text-faint); margin-right: 4px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 150px 0 46px; }
.page-title {
  font-size: clamp(2.4rem, 6.5vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  color: var(--green);
  text-shadow: 0 0 30px var(--green-glow);
}
.page-title .tilde { color: var(--text-faint); font-weight: 400; }
.page-hero .hero-desc { margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact { padding-bottom: 110px; }
.contact-desc { color: var(--text-dim); max-width: 520px; margin-bottom: 32px; font-size: 0.98rem; }
.contact-desc .kw { color: var(--purple); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  color: var(--text-faint);
  font-size: 0.82rem;
}
.footer-tag { font-size: 0.78rem; }
.footer-tag .kw { color: var(--purple); }

/* ---------- 404 ---------- */
.notfound {
  min-height: 100vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: left;
  padding: 24px;
  gap: 6px;
}
.notfound .term { width: 100%; max-width: 520px; }
.notfound .term-body { font-size: 0.9rem; }
.notfound .line { min-height: 1.7em; }
.notfound .err { color: var(--red); font-weight: 700; }
.notfound .actions { margin-top: 26px; display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Blog article ---------- */
.article { max-width: 760px; margin: 0 auto; }
.article-title {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 14px 0 22px;
  line-height: 1.25;
}
.article-meta {
  font-size: 0.8rem;
  color: var(--text-faint);
  display: flex; gap: 18px; align-items: center;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.article-meta span::before { content: "# "; color: var(--cyan); }
.article-meta span:first-child::before { content: ""; }

.article-body { color: var(--text-dim); font-size: 0.95rem; }
.article-body h2 {
  color: var(--text);
  font-size: 1.3rem;
  margin: 38px 0 14px;
}
.article-body h2::before { content: "## "; color: var(--green); }
.article-body p { margin-bottom: 18px; }
.article-body code {
  font-size: 0.86em;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  color: var(--green);
}
.article-body pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 22px 0;
}
.article-body pre code { background: none; border: none; padding: 0; color: var(--text); }
.article-body ul { margin: 0 0 18px 20px; list-style: none; }
.article-body li { margin-bottom: 8px; padding-left: 4px; }
.article-body li::before { content: "> "; color: var(--green); font-weight: 700; }
.article-body strong { color: var(--text); }
.article-body a { color: var(--green); border-bottom: 1px dashed var(--border-strong); }
.article-body a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0 0 auto 0;
    padding: 84px 24px 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
  }
  .nav-links.open { transform: none; opacity: 1; }
  .nav-links li { width: 100%; }
  .nav-links a { width: 100%; font-size: 1.05rem; padding: 11px 8px; }

  .about-grid { grid-template-columns: 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .skill-groups { grid-template-columns: 1fr; }

  .post-item { grid-template-columns: 1fr; gap: 6px; align-items: start; }
  .post-cat { justify-self: start; }
}

@media (max-width: 520px) {
  .section { padding: 64px 0; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { flex: 1 1 100%; justify-content: center; }
  .term-body { padding: 18px 18px; }
}