/* =========================================================
   K. X. Song — author site
   A quiet, literary aesthetic: warm paper background,
   serif display type, generous whitespace, thin rules.
   ========================================================= */

:root {
  --paper: #faf6ef;
  --paper-deep: #f2ebdd;
  --ink: #262220;
  --ink-soft: #55504b;
  --accent: #9c3b2e;      /* muted vermillion, echoes the book covers */
  --accent-soft: #c98a4b; /* warm gold */
  --blush: #f2ded4;       /* pale vermillion tint, for quiet fills */
  --line: #ddd3c2;
  --max-width: 1040px;

  --serif: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Header ---------- */

.site-header {
  padding: 48px 0 24px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}

.site-header .name-en {
  font-family: var(--serif);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 1.9rem;
  letter-spacing: 0.22em;
  margin: 0;
}

.site-header .name-en a { color: var(--ink); }

.site-header .name-zh {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.4em;
  color: var(--ink-soft);
  margin: 6px 0 26px;
  text-transform: none;
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 36px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

nav.main-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding-bottom: 6px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

nav.main-nav a:hover,
nav.main-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  padding: 70px 0 60px;
  text-align: center;
}

.hero .eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: clamp(2rem, 4.8vw, 3.1rem);
  line-height: 1.25;
  margin: 0 0 22px;
}

.hero p.lede {
  max-width: 620px;
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 1.08rem;
}

.hero-subscribe {
  margin: 16px 0 0;
  font-size: 0.82rem;
}

.hero-subscribe a,
.bio-subscribe a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

.bio-subscribe {
  margin: 18px 0 0;
  font-size: 0.85rem;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 48px;
  align-items: center;
  text-align: left;
}

.hero-split .hero-text h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin: 0 0 20px;
}

.hero-split .hero-text p.lede {
  margin: 0;
}

.hero-portrait {
  width: 100%;
  max-width: 640px;
  margin: 44px auto 0;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 14px 30px -18px rgba(38, 34, 32, 0.45);
}

.hero-caption {
  max-width: 640px;
  margin: 10px auto 0;
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-style: italic;
}

@media (max-width: 700px) {
  .hero-split {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }
  .hero-split .hero-portrait {
    max-width: 320px;
    margin: 0 auto;
  }
}

/* ---------- Placeholder image blocks ----------
   Used until real photos/covers are dropped in. Swap the
   <img> back in once files exist in /images. */

.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--paper-deep), #e7dcc4);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  text-align: center;
  padding: 20px;
}

/* ---------- Sections / generic ---------- */

section { padding: 56px 0; }

.section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 2rem;
  text-align: center;
  margin: 0 0 8px;
}

.section-kicker {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 40px;
  display: block;
}

.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---------- Book grid ---------- */

.book-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

@media (max-width: 780px) {
  .book-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
}

.book-card {
  text-align: center;
}

.book-card .cover {
  aspect-ratio: 2 / 3;
  margin-bottom: 20px;
  box-shadow: 0 14px 30px -18px rgba(38, 34, 32, 0.45);
}

img.cover {
  width: 100%;
  object-fit: cover;
}

.book-card h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}

.book-card .status {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.btn {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 11px 26px;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn:hover { background: var(--ink); color: var(--paper); }

.btn-accent {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-accent:hover { background: var(--accent); color: var(--paper); }

/* ---------- Book detail page ---------- */

.book-hero {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: start;
  padding: 50px 0;
}

@media (max-width: 760px) {
  .book-hero { grid-template-columns: 1fr; }
}

.book-hero .covers {
  display: grid;
  gap: 16px;
}

.book-hero .cover {
  box-shadow: 0 14px 30px -18px rgba(38, 34, 32, 0.45);
}

.book-hero .cover-caption {
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-align: center;
  font-style: italic;
  margin-top: -6px;
}

.book-quote {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin: 0 0 24px;
}

.order-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin: 22px 0 30px;
}

.praise {
  margin-top: 40px;
  display: grid;
  gap: 22px;
}

.praise blockquote {
  margin: 0;
  padding: 20px 24px;
  background: var(--blush);
  border-left: 3px solid var(--accent);
  font-style: italic;
  font-size: 0.98rem;
}

.praise blockquote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.duology-label {
  text-align: center;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

/* ---------- About page ---------- */

.about-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 760px) {
  .about-layout { grid-template-columns: 1fr; }
}

.about-layout .portrait {
  width: 100%;
  height: auto;
}

.about-layout .caption {
  font-size: 0.78rem;
  color: var(--ink-soft);
  font-style: italic;
  text-align: center;
  margin-top: 10px;
}

.bio p { margin: 0 0 20px; }

/* ---------- News ---------- */

.news-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.news-item:first-child { padding-top: 0; }

.news-item h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.news-item p { margin: 0 0 10px; color: var(--ink-soft); }

.news-item a.read-more {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

/* ---------- Events ---------- */

.event-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 600px) {
  .event-item { grid-template-columns: 1fr; gap: 6px; }
}

.event-date {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--accent);
}

.event-item h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin: 0 0 6px;
}

.event-item h3 a {
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.event-item h3 a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.event-item .meta {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ---------- Contact ---------- */

.contact-block {
  max-width: 640px;
  margin: 0 auto 50px;
}

.contact-block h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  margin: 26px 0 6px;
}

.contact-block p { margin: 0; color: var(--ink-soft); }

.contact-block.contact-text p { margin: 0 0 18px; }
.contact-block.contact-text p:last-child { margin-bottom: 0; }

.contact-block a { color: var(--accent); border-bottom: 1px solid transparent; }
.contact-block a:hover { border-bottom-color: var(--accent); }

form.speaking-form {
  max-width: 560px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

form.speaking-form label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

form.speaking-form input,
form.speaking-form textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

form.speaking-form input:focus,
form.speaking-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

form.speaking-form button {
  justify-self: start;
  font-family: var(--sans);
  cursor: pointer;
  background: var(--accent);
  color: var(--paper);
  border: 1px solid var(--accent);
  padding: 13px 30px;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

form.speaking-form button:hover { background: #7f2f24; border-color: #7f2f24; }

/* ---------- Footer & social icons ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 50px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

footer .name-zh {
  font-family: var(--serif);
  letter-spacing: 0.4em;
  display: block;
  margin-bottom: 14px;
  color: var(--ink-soft);
}

.social-bar {
  display: inline-flex;
  align-items: center;
  gap: 26px;
  background: transparent;
  padding: 0;
  margin: 0 auto 24px;
}

.social-bar a {
  display: flex;
  color: var(--ink);
  opacity: 0.72;
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-bar a:hover {
  opacity: 1;
  color: var(--accent);
  transform: translateY(-2px);
}

.social-bar svg {
  width: 19px;
  height: 19px;
}