:root{
  --bg:#ffffff;
  --ink:#0b1220;
  --muted:#5b6475;
  --subtle:#8a93a3;

  --line:#e7eaf0;
  --line2:#eef2f7;
  --card:#fbfcfe;

  --shadow: 0 20px 60px rgba(16,24,40,.08);
  --shadow2: 0 12px 30px rgba(16,24,40,.06);

  --radius-xl: 22px;
  --radius-lg: 18px;
  --radius-md: 14px;

  --max: 980px;

  --cta:#0b1220;
  --cta2:#111a2b;

  --focus: rgba(11,18,32,.12);
  --ring: rgba(11,18,32,.18);
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; background:var(--bg); color:var(--ink); }
body{
  font-family: "Lato","PingFang SC","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img{ max-width:100%; height:auto; }
a{ color: inherit; text-decoration: none; }
::selection{ background: rgba(11,18,32,.10); }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding: 56px 20px 96px;
}
@media (max-width: 520px){
  .wrap{ padding: 42px 16px 84px; }
}

/* Topline */
.topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size: 12px;
  letter-spacing:.12em;
  text-transform: uppercase;
}
.kicker::before{
  content:"";
  width: 34px;
  height: 1px;
  background: var(--line);
  display:inline-block;
}

.price-chip{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ink);
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 26px rgba(16,24,40,.05);
}
.price-chip strong{ font-weight: 900; }

/* Headings */
h1.title{
  font-family:"Playfair Display","Noto Serif SC","Source Han Serif SC",serif;
  font-size: clamp(34px, 4.6vw, 52px);
  letter-spacing: .02em;
  line-height: 1.12;
  margin: 0 0 14px;
}

.subtitle{
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 14px;
}

.subpoints{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.subpoints li{ margin: 6px 0; }

/* Hero grid */
.hero{
  display:grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 26px;
  align-items:start;
  margin-top: 20px;
}
@media (max-width: 920px){
  .hero{ grid-template-columns: 1fr; }
  .hero-right{ order: 1; }
  .hero-left{ order: 2; }
}

/* Left content card */
.hero-left{
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 22px;
  background: linear-gradient(180deg, rgba(251,252,254,1) 0%, rgba(255,255,255,1) 100%);
  box-shadow: var(--shadow2);
  overflow:hidden;
  position: relative;
}
.hero-left::before{
  content:"";
  position:absolute;
  inset:-40px -40px auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at 30% 30%, rgba(11,18,32,.08), transparent 60%);
  pointer-events:none;
}

.quote{
  margin: 0;
  padding: 16px 16px;
  border-left: 3px solid var(--line);
  background: linear-gradient(180deg, rgba(249,250,251,.9), rgba(255,255,255,1));
  border-radius: 14px;
  color: #344054;
}
.lead p{ margin: 12px 0 0; }
.lead strong{ color: var(--ink); }

/* Cover card */
.cover-card{
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow);
  overflow:hidden;
  transform: translateZ(0);
}
.cover-head{
  padding: 16px 16px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
}
.cover-label{
  color: var(--muted);
  font-size: 12px;
  letter-spacing:.12em;
  text-transform: uppercase;
}

.cover-body{
  padding: 12px 16px 16px;
}

.cover-img{
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line2);
  background:#fff;
  box-shadow: 0 12px 30px rgba(16,24,40,.07);
  display:block;
  transition: transform .22s ease, box-shadow .22s ease, filter .22s ease;
}
.cover-card:hover .cover-img{
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(16,24,40,.10);
  filter: saturate(1.03);
}

.cta-wrap{
  margin-top: 14px;
  display:flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

/* CTA button */
.cta-button{
  display:inline-flex;
  justify-content:center;
  align-items:center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 16px;
  background: linear-gradient(180deg, var(--cta2), var(--cta));
  color: #fff;
  font-weight: 900;
  letter-spacing:.01em;
  border: 1px solid rgba(11,18,32,.18);
  box-shadow: 0 16px 36px rgba(11,18,32,.18);
  transition: transform .14s ease, box-shadow .14s ease, opacity .14s ease;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cta-button:hover{
  transform: translateY(-1px);
  box-shadow: 0 20px 44px rgba(11,18,32,.20);
  opacity: .98;
}
.cta-button:active{ transform: translateY(0px) scale(.99); }
.cta-button:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--focus), 0 20px 44px rgba(11,18,32,.20);
}

/* Trust badges */
.trust-badges{
  display:flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:#fff;
}
.trust-badges .item{
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.note{
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

/* Divider */
hr{
  border:0;
  border-top: 1px solid var(--line);
  margin: 30px 0;
}

/* Sections */
.section{
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:#fff;
  padding: 22px;
  box-shadow: 0 12px 30px rgba(16,24,40,.05);
  transition: transform .18s ease, box-shadow .18s ease;
}
.section:hover{
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(16,24,40,.06);
}
.section h2{
  font-size: 18px;
  margin: 0 0 10px;
  letter-spacing:.01em;
}

ul{
  margin: 10px 0 0;
  padding-left: 18px;
}
li{ margin: 8px 0; }

/* Author */
.author{
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(251,252,254,1) 0%, rgba(255,255,255,1) 100%);
  box-shadow: var(--shadow2);
  overflow:hidden;
}

.author-inner{
  display:grid;
  grid-template-columns: 240px 1fr;
  gap: 18px;
  padding: 20px;
  align-items:center;
}
@media (max-width: 820px){
  .author-inner{ grid-template-columns: 1fr; }
}

.hero-img{
  width: 100%;
  border-radius: 20px;
  overflow:hidden;
  border: 1px solid var(--line2);
  background:#fff;
  box-shadow: 0 16px 36px rgba(16,24,40,.09);
}
.hero-img img{
  width: 100%;
  height: auto;
  display:block;
}

.eyebrow{
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.h1{
  font-family:"Playfair Display","Noto Serif SC","Source Han Serif SC",serif;
  font-size: 28px;
  line-height: 1.2;
  margin: 0 0 10px;
  letter-spacing:.01em;
}

.badges{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: #344054;
  font-size: 12.5px;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(16,24,40,.04);
  white-space: nowrap;
}

.soft{
  color: var(--subtle);
  font-size: 13px;
  line-height: 1.6;
  margin: 0;
}

/* Footer */
.footer{
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  display:flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: space-between;
  align-items:center;
}
.footer a{
  color: inherit;
  border-bottom: 1px solid rgba(91,100,117,.35);
}
.footer a:hover{ border-bottom-color: rgba(91,100,117,.6); }

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; scroll-behavior:auto !important; }
}