/*
Theme Name: NhaCaiVietnamHub
Theme URI: https://www.nhacaivietnamhub.com/
Author: Hermes Agent
Description: Custom branded theme for nhacaivietnamhub.com
Version: 1.0.0
Text Domain: nhacaivietnamhub-hub
*/

:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --panel: #10233a;
  --panel-2: #132a44;
  --line: rgba(255,255,255,.08);
  --text: #eaf2ff;
  --muted: #9fb1c9;
  --brand: #4dd0ff;
  --brand-2: #84f7c8;
  --gold: #ffd166;
  --danger: #ff6b6b;
  --shadow: 0 18px 50px rgba(0,0,0,.32);
  --radius: 22px;
  --radius-sm: 14px;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(77,208,255,.16), transparent 26%),
    radial-gradient(circle at top right, rgba(132,247,200,.10), transparent 22%),
    linear-gradient(180deg, #08111d 0%, #091726 30%, #07111f 100%);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1rem; color: var(--muted); }
ul { padding-left: 1.1rem; }

.site-shell { min-height: 100vh; }
.site-wrap { width: min(var(--wrap), calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(7,17,31,.72);
  border-bottom: 1px solid var(--line);
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
}
.site-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.site-brand__name {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: .02em;
}
.site-brand__tag {
  font-size: .85rem;
  color: var(--muted);
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}
.site-nav a {
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: #d7e6fa;
  font-size: .93rem;
}
.site-nav a:hover,
.site-nav a:focus {
  background: rgba(255,255,255,.05);
  border-color: var(--line);
}

.hero {
  padding: 56px 0 28px;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
  gap: 24px;
  align-items: stretch;
}
.hero__panel,
.hero__aside {
  background: linear-gradient(180deg, rgba(19,42,68,.94), rgba(10,22,36,.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  border-radius: 28px;
}
.hero__panel {
  padding: 32px;
  overflow: hidden;
  position: relative;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(77,208,255,.10);
  border: 1px solid rgba(77,208,255,.24);
  color: var(--brand);
  font-size: .84rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.compass-seal {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255,209,102,.14), rgba(77,208,255,.08));
  border: 1px solid rgba(255,209,102,.26);
}
.compass-seal span {
  color: var(--gold);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.compass-seal strong {
  color: #fff;
  font-size: .96rem;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2.1rem, 4vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.hero__lead {
  font-size: 1.02rem;
  max-width: 62ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn--primary {
  background: linear-gradient(135deg, var(--brand), #74f0ff);
  color: #052036;
}
.btn--secondary {
  background: rgba(255,255,255,.04);
  border-color: var(--line);
}
.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}
.hero__meta--4 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.stat {
  padding: 16px 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.stat strong {
  display: block;
  font-size: 1.35rem;
  color: #fff;
}
.stat span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: .92rem;
}
.hero__aside {
  padding: 26px;
}
.hero__visual {
  margin-top: 18px;
  padding: 12px;
  border-radius: 22px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
}
.hero__visual img {
  width: 100%;
  border-radius: 16px;
}
.hero__aside h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}
.hero__aside-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}
.hero__aside-item {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.hero__aside-item--method em {
  display: inline-flex;
  font-style: normal;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--gold);
  margin-bottom: 8px;
}
.hero__aside-item strong {
  display: block;
  margin-bottom: 4px;
}
.hero__aside-item span { color: var(--muted); font-size: .92rem; }

.section {
  padding: 24px 0 10px;
}
.section--tight {
  padding-top: 10px;
}
.section--updates {
  padding-bottom: 26px;
}
.section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.section__head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2.35rem);
  letter-spacing: -.02em;
}
.section__head p {
  max-width: 56ch;
  margin: 0;
}
.grid {
  display: grid;
  gap: 18px;
}
.grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card {
  background: linear-gradient(180deg, rgba(16,35,58,.98), rgba(10,20,34,.98));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.card--brand {
  position: relative;
  overflow: hidden;
}
.card--brand::after {
  content: "";
  position: absolute;
  inset: auto -30px -30px auto;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(77,208,255,.18), transparent 60%);
}
.card--decision {
  display: flex;
  flex-direction: column;
}
.card__kicker {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(132,247,200,.08);
  color: var(--brand-2);
  font-size: .78rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}
.card p { margin-bottom: 14px; }
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.pill {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: #dbe8fb;
  font-size: .78rem;
}
.decision-meta {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}
.decision-meta > div,
.compare-angle {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
}
.decision-meta small {
  display: block;
  margin-bottom: 4px;
  color: var(--brand-2);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.decision-meta strong,
.compare-angle strong {
  display: block;
  color: #fff;
}
.compare-angle span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: .92rem;
}
.link-arrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 700;
  color: #fff;
}
.link-arrow::after { content: '→'; }

.path-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}
.path-card {
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(17,37,60,.95), rgba(10,20,34,.98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.path-card--discovery {
  background: linear-gradient(180deg, rgba(15,43,72,.96), rgba(10,24,39,.98));
}
.path-card--compare {
  background: linear-gradient(180deg, rgba(27,44,70,.96), rgba(15,24,39,.98));
}
.path-card--verify {
  background: linear-gradient(180deg, rgba(30,42,56,.96), rgba(13,22,33,.98));
}
.path-card__label {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--gold);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.path-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.2rem;
}
.path-card p { min-height: 72px; }

.list-compact {
  display: grid;
  gap: 14px;
}
.list-compact--signals a {
  position: relative;
}
.signal-tag {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(77,208,255,.09);
  border: 1px solid rgba(77,208,255,.24);
  color: var(--brand);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.archive-hero {
  margin-bottom: 18px;
  padding: 10px;
  border-radius: 20px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
}
.archive-hero img {
  width: 100%;
  border-radius: 14px;
}
.list-compact a {
  display: block;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
}
.list-compact small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
}

.content-shell {
  padding: 34px 0 60px;
}
.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}
.article-card,
.sidebar-card {
  background: linear-gradient(180deg, rgba(16,35,58,.98), rgba(10,20,34,.98));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.article-card { padding: 28px; }
.sidebar-card { padding: 20px; }
.decision-summary {
  margin: 0 0 24px;
  padding: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(19,42,68,.98), rgba(12,25,40,.98));
  border: 1px solid var(--line);
}
.decision-summary__eyebrow {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(77,208,255,.09);
  border: 1px solid rgba(77,208,255,.24);
  color: var(--brand);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.decision-summary__lead {
  margin-bottom: 16px;
  color: #dce9fb;
}
.decision-summary__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.decision-summary__panel {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
}
.decision-summary__panel h2 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.05rem;
}
.decision-summary__panel ul { margin: 0; padding-left: 1rem; }
.decision-factors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.decision-factor {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  color: #eaf2ff;
  font-size: .78rem;
  font-weight: 700;
}
.article-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}
.article-anchor-nav a {
  display: inline-flex;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  color: #dfe9f8;
  font-size: .86rem;
  font-weight: 700;
}
.sidebar-card--decision {
  position: sticky;
  top: 96px;
}
.sidebar-summary-block {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.sidebar-summary-block:last-child { border-bottom: 0; padding-bottom: 0; }
.sidebar-summary-block strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
}
.sidebar-summary-block p,
.sidebar-summary-block li { color: var(--muted); }
.article-card h1 {
  margin: 0 0 12px;
  font-size: clamp(1.85rem, 3vw, 3rem);
  line-height: 1.12;
}
.article-card h2,
.article-card h3 {
  margin-top: 1.8rem;
  margin-bottom: .8rem;
  color: #fff;
}
.article-card ul li,
.article-card ol li { color: var(--muted); margin-bottom: .5rem; }
.article-card figure {
  margin: 1.3rem 0;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--line);
}
.breadcrumbs,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: .9rem;
}
.sidebar-card h3 {
  margin: 0 0 12px;
}
.sidebar-card ul {
  margin: 0;
  padding-left: 1rem;
}
.sidebar-card li { margin-bottom: 10px; color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding: 28px 0 42px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: 24px;
}
.site-footer h3, .site-footer h4 { margin-top: 0; margin-bottom: 10px; }
.site-footer p, .site-footer li { color: var(--muted); }
.site-footer ul { margin: 0; padding-left: 1rem; }
.footer-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 1100px) {
  .hero__grid,
  .content-layout,
  .site-footer__grid { grid-template-columns: 1fr; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 860px) {
  .grid--3,
  .grid--2,
  .path-grid,
  .grid--4,
  .hero__meta,
  .decision-summary__grid { grid-template-columns: 1fr; }
  .site-header__bar { align-items: flex-start; flex-direction: column; }
  .site-nav { justify-content: flex-start; }
  .hero { padding-top: 34px; }
  .hero__panel, .hero__aside, .article-card { padding: 22px; }
}