/* Homepage: quiet Mekong editorial layout, 2026-09-29. */
:root {
  --paper: #fbfaf5;
  --ink: #253c32;
  --muted: #53675b;
  --green: #285542;
  --line: #dfe5dc;
  --accent: #8d714e;
}

body { background: var(--paper); }
.site-header { background: rgba(251, 250, 245, .97); backdrop-filter: blur(12px); }
.site-nav { width: min(1320px, 100%); }
.site-brand { font-size: 23px; }
.desktop-links { gap: clamp(14px, 1.8vw, 26px); }
.desktop-links a { font-size: 14px; }
.desktop-links a:hover { color: var(--green); }

.mekong-hero {
  min-height: clamp(660px, 75svh, 820px);
  border: 0;
  background: #e8e9df;
}
.mekong-hero-media img { object-position: 56% 53%; filter: saturate(.93) brightness(1.02); }
.mekong-veil {
  background:
    linear-gradient(90deg, #fbfaf5 0%, rgba(251,250,245,.98) 17%, rgba(251,250,245,.87) 37%, rgba(251,250,245,.3) 65%, transparent 83%),
    linear-gradient(0deg, rgba(32,53,42,.1), transparent 25%);
}
.mekong-hero-inner {
  width: min(1320px, 100%);
  padding: 75px 56px 95px;
}
.mekong-hero-copy { max-width: 660px; }
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  letter-spacing: .045em;
  color: #476653;
}
.kicker-line { display: inline-block; width: 36px; height: 1px; background: #a5845e; }
.hero-intro { margin: 35px 0 4px; font-size: 19px; color: #58705d; }
.mekong-hero h1 {
  font-size: clamp(50px, 5.5vw, 78px);
  line-height: 1.26;
  letter-spacing: -.018em;
  color: #214634;
}
.hero-alias { margin-top: 12px; font-size: 18px; color: #496550; }
.hero-alias span { padding-inline: 5px; color: #a38765; }
.hero-lead {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(58, 100, 70, .28);
  max-width: 480px;
  font-size: 17px;
  line-height: 1.9;
  color: #395b44;
}
.hero-actions { margin-top: 36px; gap: 14px 30px; }
.hero-actions a { min-height: 52px; font-size: 16px; }
.hero-primary {
  padding: 11px 25px;
  background: #285542;
  color: #fff;
  border-color: #285542;
  border-radius: 2px;
  box-shadow: 0 12px 25px rgba(24, 59, 40, .14);
}
.hero-primary:hover { background: #1c4231; color: #fff; }
.hero-secondary { border-color: #648b71; color: #285542; }
.hero-motto { margin-top: 33px; color: #627766; font-size: 14px; }
.hero-motto span { padding-inline: 8px; color: #a48d6c; }
.hero-river-note {
  position: absolute;
  right: clamp(30px, 5vw, 92px);
  bottom: 26px;
  margin: 0;
  padding: 6px 12px;
  color: #f8f8ee;
  background: rgba(28, 50, 39, .38);
  font-size: 12px;
  letter-spacing: .04em;
}

.reading-section {
  padding: 112px 40px 120px;
  background: #f9f8f2;
  border-bottom: 1px solid var(--line);
}
.reading-heading {
  display: grid;
  grid-template-columns: 1.05fr .75fr;
  align-items: end;
  gap: 68px;
  margin-bottom: 42px;
}
.reading-heading h2 { font-size: clamp(38px, 4vw, 54px); line-height: 1.42; color: #2d513b; }
.reading-heading > p { max-width: 390px; margin: 0 0 4px; color: #52675a; font-size: 16px; line-height: 2; }
.reading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.reading-card {
  display: block;
  min-width: 0;
  overflow: hidden;
  background: #fffefb;
  border: 1px solid #e5e7dd;
  text-decoration: none;
  box-shadow: 0 20px 48px rgba(37, 57, 41, .055);
  transition: transform .28s ease, box-shadow .28s ease;
}
.reading-card:hover, .reading-card:focus-visible { transform: translateY(-4px); box-shadow: 0 27px 54px rgba(37, 57, 41, .11); }
.reading-card-media { overflow: hidden; height: 255px; background: #d7e3d9; }
.reading-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.reading-card:hover img { transform: scale(1.035); }
.reading-card-copy { padding: 29px 34px 32px; }
.card-index { color: #866c4c; font-size: 13px; letter-spacing: .04em; }
.reading-card h3 { margin: 7px 0 8px; color: #244532; font-size: clamp(25px, 2.3vw, 31px); line-height: 1.5; }
.reading-card p { margin: 0; color: #566b5c; line-height: 1.85; font-size: 15px; max-width: 40ch; }
.card-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 22px; border-bottom: 1px solid #769880; color: #285542; font-size: 15px; }
.card-link span { font-size: 19px; line-height: 1.2; }

#identity { background: #fffefa; }
#identity .river-inner { width: min(1120px, 100%); }
#identity .section-kicker { margin-bottom: 17px; }
#identity h2 { font-size: clamp(34px, 3.2vw, 46px); line-height: 1.5; }
#identity .profile-layout { align-items: center; gap: 90px; }
.role-list { padding: 8px 0 8px 32px; border-top: 0; border-left: 1px solid #cbd9cd; }
.role-item { padding-block: 22px; }
.role-item:first-child { padding-top: 0; }
.role-item:last-child { border-bottom: 0; padding-bottom: 0; }
.role-item h3 { font-size: 23px; }
.profile-copy .text-links { gap: 4px 18px; }
.profile-copy .text-links a { text-decoration-thickness: 1px; }

.river-reflection { background: #edf2ea; }
.river-reflection .river-inner { width: min(1120px, 100%); }
.river-reflection h2 { font-size: clamp(36px, 3.4vw, 48px); line-height: 1.5; }
.reflection-head { align-items: end; margin-bottom: 48px; }
.mekong-gallery { grid-template-columns: 1.42fr 1fr; grid-template-rows: repeat(2, 205px); gap: 22px; }
.mekong-gallery figure { display: flex; flex-direction: column; }
.mekong-gallery .gallery-main { grid-row: 1 / 3; }
.mekong-gallery img { width: 100%; height: 100%; min-height: 0; flex: 1 1 auto; object-fit: cover; aspect-ratio: auto; filter: saturate(.89); }
.gallery-main img { aspect-ratio: auto; }
.gallery-label { flex: none; padding: 8px 0 0; min-height: 32px; }
.contact-band { background: #e4ece2; }
.contact-band .contact-inner { width: min(1120px, 100%); }
.site-footer { background: #fbfaf5; }

@media (max-width: 1099px) {
  .mekong-hero-inner { padding-inline: 40px; }
  .mekong-veil { background: linear-gradient(90deg, #fbfaf5 0%, rgba(251,250,245,.95) 36%, rgba(251,250,245,.27) 78%, transparent); }
  .reading-heading { gap: 35px; }
  #identity .profile-layout { gap: 42px; }
}
@media (max-width: 899px) {
  .mekong-hero { min-height: 680px; }
  .mekong-hero h1 { font-size: clamp(46px, 6vw, 62px); }
  .reading-section { padding: 80px 40px 88px; }
  .reading-card-media { height: 210px; }
  .reading-card-copy { padding: 24px; }
  .role-list { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .role-item:first-child { padding-top: 18px; }
  .mekong-gallery { grid-template-rows: repeat(2, 170px); }
}
@media (max-width: 720px) {
  .site-nav { min-height: 72px; }
  .mekong-hero { display: flex; flex-direction: column; min-height: 0; background: var(--paper); }
  .mekong-hero-media { position: relative; inset: auto; order: 0; width: 100%; height: clamp(240px, 65vw, 360px); z-index: auto; }
  .mekong-hero-media img { position: static; width: 100%; height: 100%; object-position: center 51%; }
  .mekong-veil { display: none; }
  .mekong-hero-inner { order: 1; min-height: 0; padding: 43px 24px 58px; }
  .mekong-hero-copy { max-width: 600px; }
  .hero-river-note { top: clamp(202px, calc(65vw - 38px), 322px); bottom: auto; right: 16px; font-size: 11px; }
  .hero-intro { margin-top: 23px; font-size: 16px; }
  .mekong-hero h1 { font-size: clamp(38px, 10vw, 55px); line-height: 1.3; }
  .hero-alias { font-size: 15px; }
  .hero-lead { margin-top: 23px; padding-top: 17px; font-size: 15px; }
  .hero-actions { margin-top: 25px; }
  .hero-actions a { font-size: 14px; min-height: 48px; }
  .hero-motto { margin-top: 24px; font-size: 12px; }
  .reading-section { padding: 66px 24px 76px; }
  .reading-heading { display: block; margin-bottom: 29px; }
  .reading-heading h2 { font-size: 37px; line-height: 1.47; }
  .reading-heading > p { margin-top: 15px; font-size: 15px; }
  .reading-grid { grid-template-columns: 1fr; gap: 22px; }
  .reading-card-media { height: clamp(205px, 57vw, 290px); }
  .reading-card-copy { padding: 24px 24px 27px; }
  .reading-card h3 { font-size: 27px; }
  #identity .profile-layout { gap: 30px; }
  #identity h2, .river-reflection h2 { font-size: 33px; }
  .mekong-gallery { display: grid; grid-template-columns: 1fr; grid-template-rows: auto; gap: 27px; }
  .mekong-gallery figure + figure { margin-top: 0; }
  .mekong-gallery .gallery-main { grid-row: auto; }
  .mekong-gallery img, .mekong-gallery .gallery-main img { height: auto; flex: none; aspect-ratio: 1.55; }
  .gallery-label { min-height: 0; }
}
@media (max-width: 390px) {
  .hero-river-note { top: calc(65vw - 38px); }
  .hero-actions { gap: 6px 18px; }
  .hero-primary { padding-inline: 16px; }
  .hero-motto span { padding-inline: 4px; }
  .reading-heading h2 { font-size: 33px; }
}
@media (prefers-reduced-motion: reduce) {
  .reading-card, .reading-card-media img { transition: none; }
}