/* baoxuyenlam.vn — Minimalist Monochrome Editorial: near-black + antique gold, Playfair Display / Inter.
   Fonts load via <link> in the page <head> (not @import) so they never block first paint. */
:root {
  --color-bg: #FAFAF9;
  --color-fg: #1C1917;
  --color-primary: #1C1917;
  --color-on-primary: #FFFFFF;
  --color-accent: #8A5200;          /* gold on light surfaces: 6.1:1 on #FAFAF9 */
  --color-gold: #D4A24C;            /* gold on dark surfaces: 8.4:1 on #1C1917 */
  --color-ink: #1C1917;
  --color-ink-2: #26211C;
  --color-on-ink: #F5F2EC;
  --color-on-ink-muted: #C9C2B6;
  --color-muted: #EDEAE4;
  --color-muted-fg: #57534E;
  --color-border: #D6D3D1;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius: 0px;
  --space-section: clamp(4.5rem, 9vw, 8rem);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #15130F;
    --color-fg: #F5F2EC;
    --color-accent: #D4A24C;
    --color-muted: #241F18;
    --color-muted-fg: #B5AEA2;
    --color-border: #3A3327;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--color-bg); color: var(--color-fg); font-family: var(--font-body); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0 0 1rem; letter-spacing: -0.015em; line-height: 1.12; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; left: -999px; top: 8px; background: var(--color-gold); color: var(--color-ink); padding: .6rem 1rem; z-index: 100; }
.skip-link:focus { left: 8px; }

/* Header */
header.site-header { position: sticky; top: 0; z-index: 20; background: rgba(21, 19, 15, .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid rgba(212, 162, 76, .22); color: var(--color-on-ink); }
header.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
header.site-header .brand-name { font-family: var(--font-display); font-size: 1.3rem; letter-spacing: .04em; text-decoration: none; }
header.site-header nav { display: flex; align-items: center; gap: 1.75rem; }
header.site-header nav a { text-decoration: none; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--color-on-ink-muted); transition: color 200ms var(--ease); padding: .5rem 0; }
header.site-header nav a:hover { color: var(--color-gold); }
header.site-header nav a.nav-cta { color: var(--color-ink); background: var(--color-gold); padding: 0 1.1rem; min-height: 44px; display: inline-flex; align-items: center; }
header.site-header nav a.nav-cta:hover { color: var(--color-ink); background: #E3B766; }

section { padding: var(--space-section) 0; }
.eyebrow { text-transform: uppercase; letter-spacing: .2em; font-size: .75rem; font-weight: 500; color: var(--color-accent); margin-bottom: 1rem; display: block; }
.section-head { max-width: 640px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--color-muted-fg); margin: 0; }

/* Hero */
.hero { background: radial-gradient(1200px 600px at 85% 20%, #3a2c18 0%, var(--color-ink) 60%); color: var(--color-on-ink); padding: clamp(3rem, 7vw, 6rem) 0; overflow: hidden; }
.hero .eyebrow { color: var(--color-gold); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 500; margin-bottom: 1.25rem; }
.hero .lead { font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: var(--color-on-ink-muted); max-width: 34rem; margin: 0 0 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-bottom: 3rem; }
.btn-primary { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 1.9rem; background: var(--color-gold); color: var(--color-ink); text-decoration: none; text-transform: uppercase; letter-spacing: .12em; font-size: .8rem; font-weight: 600; transition: transform 200ms var(--ease), background 200ms var(--ease); }
.btn-primary:hover { background: #E3B766; transform: translateY(-2px); }
.btn-link { color: var(--color-on-ink); text-decoration: none; border-bottom: 1px solid var(--color-gold); padding-bottom: 3px; font-size: .9rem; transition: color 200ms var(--ease); }
.btn-link:hover { color: var(--color-gold); }
.stats { display: flex; flex-wrap: wrap; gap: 2rem 3rem; margin: 0; padding-top: 1.75rem; border-top: 1px solid rgba(212, 162, 76, .28); }
.stats div { min-width: 6rem; }
.stats dt { font-family: var(--font-display); font-size: 1.9rem; color: var(--color-gold); line-height: 1.1; }
.stats dd { margin: .3rem 0 0; font-size: .78rem; color: var(--color-on-ink-muted); max-width: 11rem; line-height: 1.4; }
.hero-media { margin: 0; position: relative; justify-self: end; width: 100%; max-width: 520px; }
.hero-media::before { content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 1px solid var(--color-gold); opacity: .55; z-index: 0; }
.hero-media img { position: relative; z-index: 1; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; box-shadow: 0 30px 60px rgba(0, 0, 0, .45); }

/* Brands */
.brands-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: clamp(1rem, 2vw, 1.75rem); }
.brand-card { --accent: var(--color-accent); display: flex; flex-direction: column; text-decoration: none; background: var(--color-bg); border: 1px solid var(--color-border); transition: transform 300ms var(--ease), box-shadow 300ms var(--ease), border-color 300ms var(--ease); }
.brand-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(28, 25, 23, .14); border-color: var(--accent); }
.brand-media { aspect-ratio: 4 / 5; overflow: hidden; background: var(--color-muted); position: relative; }
.brand-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease); }
.brand-card:hover .brand-media img { transform: scale(1.05); }
.brand-media::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--accent); }
.monogram { width: 100%; height: 100%; display: grid; place-items: center; background: linear-gradient(145deg, var(--accent) 0%, #1C1917 130%); color: rgba(255, 255, 255, .92); }
.monogram span { font-family: var(--font-display); font-size: clamp(4rem, 9vw, 6.5rem); letter-spacing: .06em; opacity: .9; }
.brand-body { padding: 1.75rem 1.75rem 2rem; display: flex; flex-direction: column; flex: 1; }
.brand-body h3 { font-size: 1.6rem; }
.brand-body p { color: var(--color-muted-fg); flex: 1; margin: 0 0 1.5rem; }
.discover-link { display: inline-flex; align-items: center; gap: .5rem; text-transform: uppercase; letter-spacing: .1em; font-size: .78rem; font-weight: 500; color: var(--accent); border-bottom: 1px solid currentColor; padding-bottom: 3px; width: fit-content; }
.discover-link svg { transition: transform 250ms var(--ease); }
.brand-card:hover .discover-link svg { transform: translateX(4px); }

/* About */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.about-media { margin: 0; position: relative; }
.about-media::before { content: ""; position: absolute; inset: -16px 16px 16px -16px; border: 1px solid var(--color-accent); opacity: .45; }
.about-media img { position: relative; width: 100%; aspect-ratio: 1; object-fit: cover; }
.about-copy h2 { font-size: clamp(2rem, 4vw, 3rem); }
.founder-line { font-family: var(--font-display); font-style: italic; font-size: 1.2rem; color: var(--color-accent); margin: 0 0 1.25rem; }
.about-copy p { margin: 0 0 1rem; max-width: 36rem; }

/* Vision & Mission band */
.band { background: var(--color-ink); color: var(--color-on-ink); }
.band .eyebrow { color: var(--color-gold); }
.band h2 { color: var(--color-on-ink); }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 5rem); }
.values-grid > div { border-top: 1px solid var(--color-gold); padding-top: 1.75rem; }
.value-text { font-family: var(--font-display); font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.5; margin: 0; color: var(--color-on-ink); }

/* Gallery */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: clamp(.75rem, 1.5vw, 1.25rem); }
.gallery-grid figure { margin: 0; position: relative; overflow: hidden; background: var(--color-muted); }
.gallery-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform 700ms var(--ease); }
.gallery-grid figure:hover img { transform: scale(1.04); }
.gallery-grid figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 2.5rem 1.25rem 1.1rem; font-size: .85rem; color: #fff; background: linear-gradient(to top, rgba(0, 0, 0, .72), transparent); }
.gallery-empty { color: var(--color-muted-fg); font-style: italic; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: clamp(1rem, 2vw, 1.75rem); }
.contact-item { display: flex; flex-direction: column; gap: .35rem; text-decoration: none; padding: 1.5rem; border: 1px solid rgba(212, 162, 76, .3); color: var(--color-on-ink); transition: border-color 250ms var(--ease), background 250ms var(--ease); min-height: 48px; }
.contact-item:hover { border-color: var(--color-gold); background: rgba(212, 162, 76, .08); }
.contact-item svg { color: var(--color-gold); margin-bottom: .5rem; }
.contact-item span { text-transform: uppercase; letter-spacing: .14em; font-size: .72rem; color: var(--color-on-ink-muted); }
.contact-item strong { font-weight: 500; overflow-wrap: anywhere; }

footer { padding: 2rem 0; text-align: center; color: var(--color-on-ink-muted); background: #100E0B; font-size: .85rem; }
footer a { color: var(--color-on-ink-muted); }

/* Scroll reveal — only hidden when JS is on, so no-JS visitors always see everything */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms var(--ease) var(--d, 0ms), transform 700ms var(--ease) var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 899px) {
  .hero-grid, .about-grid, .values-grid { grid-template-columns: 1fr; }
  .hero-media { justify-self: center; max-width: 440px; order: -1; }
  .hero-media::before { inset: 12px -10px -12px 10px; }
  .about-media::before { inset: -10px 10px 10px -10px; }
  header.site-header nav { gap: 1rem; }
  header.site-header nav a:not(.nav-cta) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* Admin */
.admin-shell { max-width: 880px; margin: 0 auto; padding: 3rem 24px 6rem; }
.admin-login { max-width: 360px; margin: 6rem auto; }
.field { margin-bottom: 1.25rem; }
.field label { display: block; font-size: 0.85rem; margin-bottom: 0.4rem; color: var(--color-muted-fg); }
.field input, .field textarea {
  width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--color-border); background: var(--color-bg);
  color: var(--color-fg); font-family: var(--font-body); font-size: 0.95rem; border-radius: var(--radius);
}
.field textarea { min-height: 90px; resize: vertical; }
button.btn {
  background: var(--color-primary); color: var(--color-on-primary); border: none; padding: 0.75rem 1.5rem;
  font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; cursor: pointer; border-radius: var(--radius);
  transition: opacity 150ms ease;
}
button.btn:hover { opacity: 0.85; }
button.btn.secondary { background: transparent; color: var(--color-fg); border: 1px solid var(--color-border); }
.repeater-item { border: 1px solid var(--color-border); padding: 1.25rem; margin-bottom: 1rem; position: relative; }
.repeater-item .remove-btn { position: absolute; top: 0.75rem; right: 0.75rem; background: none; border: none; color: var(--color-muted-fg); cursor: pointer; font-size: 0.85rem; }
.status-msg { margin: 1rem 0; font-size: 0.9rem; }
.status-msg.ok { color: #15803D; }
.status-msg.error { color: #B91C1C; }
.section-title { display: flex; align-items: center; justify-content: space-between; margin-top: 3rem; }