/*
Theme Name: Vu Tuan BDS
Theme URI: https://vutuanbds.vn
Author: Vu Tuan
Author URI: https://vutuanbds.vn
Description: Theme thương hiệu cá nhân bất động sản Vũ Tuấn — thiết kế theo tinh thần "hồ sơ minh bạch": câu chuyện thật, pháp lý đầy đủ, chủ đầu tư uy tín.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: vutuanbds
*/

:root{
  --bg: #F3F5EE;
  --surface: #FBFCF8;
  --surface-raised: #FFFFFF;
  --ink: #13241A;
  --ink-soft: #4C5C50;
  --ink-faint: #8B9A8D;
  --line: #DCE2D5;
  --accent: #00B83C;
  --accent-deep: #0B7A2B;
  --on-accent: #FFFFFF;
  --stamp: #B5432D;
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #0F1813;
    --surface: #16211A;
    --surface-raised: #1B2820;
    --ink: #E9F1E7;
    --ink-soft: #A9BAAD;
    --ink-faint: #6D7E71;
    --line: #263427;
    --accent: #22D95F;
    --accent-deep: #3EE577;
    --on-accent: #06170C;
    --stamp: #E2694A;
  }
}
:root[data-theme="dark"]{
  --bg: #0F1813;
  --surface: #16211A;
  --surface-raised: #1B2820;
  --ink: #E9F1E7;
  --ink-soft: #A9BAAD;
  --ink-faint: #6D7E71;
  --line: #263427;
  --accent: #22D95F;
  --accent-deep: #3EE577;
  --on-accent: #06170C;
  --stamp: #E2694A;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}
.wrap{ max-width: 1120px; margin: 0 auto; padding: 0 28px; }
h1,h2,h3{ font-family: var(--font-display); font-weight: 600; text-wrap: balance; margin: 0; color: var(--ink); }
.eyebrow{ font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.placeholder{ font-style: italic; color: var(--ink-faint); }

/* ---------- brand mark ---------- */
.mark{ display:inline-flex; align-items:center; gap:10px; text-decoration:none; }
.mark svg{ width:40px; height:40px; flex:none; }
.mark .wordmark{ font-family: var(--font-display); font-weight:600; font-size:1.05rem; letter-spacing:0.01em; color:var(--ink); }
.mark .wordmark small{ display:block; font-family: var(--font-mono); font-weight:400; font-size:0.62rem; letter-spacing:0.16em; color: var(--ink-soft); text-transform:uppercase; margin-top:1px; }

/* ---------- header ---------- */
.site-header{ position: sticky; top:0; z-index:20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .bar{ display:flex; align-items:center; justify-content:space-between; padding: 16px 0; gap:20px; }
.links{ display:flex; gap:28px; font-size:0.92rem; list-style:none; margin:0; padding:0; }
.links li{ list-style:none; }
.links a{ text-decoration:none; color:var(--ink-soft); }
.links a:hover{ color:var(--ink); }
.btn{ display:inline-flex; align-items:center; gap:8px; font-family: var(--font-body); font-weight:600; font-size:0.92rem; padding: 11px 20px; border-radius:3px; text-decoration:none; border:1px solid transparent; cursor:pointer; white-space:nowrap; }
.btn:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
.btn-primary{ background: var(--accent); color: var(--on-accent); }
.btn-primary:hover{ background: var(--accent-deep); }
.btn-outline{ background: transparent; border-color: var(--line); color: var(--ink); }
.btn-outline:hover{ border-color: var(--ink-soft); }
.btn svg{ width:16px; height:16px; }

/* ---------- hero ---------- */
.hero{ padding: 88px 0 72px; border-bottom: 1px solid var(--line); }
.hero .eyebrow{ margin-bottom:22px; }
.hero h1{ font-size: clamp(2.2rem, 4.6vw, 3.6rem); line-height:1.12; max-width: 15ch; }
.hero .sub{ margin-top:22px; font-size:1.1rem; color: var(--ink-soft); max-width: 46ch; }
.hero .cta-row{ display:flex; gap:14px; margin-top:34px; flex-wrap:wrap; }

/* ---------- pillars ---------- */
.pillars{ padding: 64px 0; border-bottom:1px solid var(--line); }
.pillars-head{ margin-bottom:36px; }
.pillars-head h2{ font-size:1.7rem; }
.row-list{ border-top:1px solid var(--line); }
.row-item{ display:grid; grid-template-columns: 64px 1fr 2fr; gap: 24px; padding: 26px 0; border-bottom:1px solid var(--line); align-items:baseline; }
.row-item .idx{ font-family: var(--font-mono); color: var(--accent-deep); font-size:0.95rem; }
.row-item h3{ font-size:1.2rem; font-weight:600; }
.row-item p{ margin:0; color:var(--ink-soft); }

/* ---------- about ---------- */
.about{ padding:72px 0; border-bottom:1px solid var(--line); }
.about-grid{ display:grid; grid-template-columns: 220px 1fr; gap:48px; align-items:start; }
.avatar-seal{ width:180px; height:180px; border-radius:50%; border:1.5px solid var(--line); display:flex; align-items:center; justify-content:center; background: var(--surface); overflow:hidden; }
.avatar-seal svg{ width:96px; height:96px; }
.avatar-seal img{ width:100%; height:100%; object-fit:cover; }
.about blockquote{ font-family: var(--font-display); font-style:italic; font-weight:500; font-size:1.4rem; line-height:1.4; margin: 0 0 22px; max-width: 32ch; }
.about blockquote cite{ display:block; font-family: var(--font-mono); font-style:normal; font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase; color: var(--ink-faint); margin-top:12px; }
.about p.bio{ max-width: 62ch; color:var(--ink-soft); }
.about .stats{ display:flex; gap:40px; margin-top:28px; flex-wrap:wrap; }
.about .stat b{ display:block; font-family:var(--font-display); font-size:1.8rem; font-weight:600; color:var(--ink); }
.about .stat span{ font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-faint); }

/* ---------- section shared ---------- */
.section{ padding:72px 0; border-bottom:1px solid var(--line); }
.section-head{ margin-bottom:12px; }
.section-head h2{ font-size:1.7rem; }
.section-note{ font-family: var(--font-mono); font-size:0.74rem; letter-spacing:0.04em; color: var(--stamp); margin: 0 0 36px; }
.empty-note{ font-family: var(--font-body); color: var(--ink-faint); font-size:0.95rem; }

/* ---------- project cards ---------- */
.cards{ display:grid; grid-template-columns: repeat(3, 1fr); gap:1px; background: var(--line); border:1px solid var(--line); }
.card{ background: var(--surface); padding:26px; position:relative; display:flex; flex-direction:column; gap:14px; text-decoration:none; }
.seal-badge{ position:absolute; top:20px; right:20px; display:flex; align-items:center; gap:6px; font-family: var(--font-mono); font-size:0.62rem; letter-spacing:0.08em; text-transform:uppercase; color: var(--stamp); border:1px solid var(--stamp); border-radius:999px; padding:4px 9px 4px 6px; }
.seal-badge svg{ width:12px; height:12px; }
.card h3{ font-size:1.15rem; padding-right:80px; }
.card dl{ margin:0; font-size:0.88rem; color:var(--ink-soft); }
.card dl div{ display:flex; gap:8px; padding:4px 0; border-top:1px dashed var(--line); }
.card dl div:first-child{ border-top:none; }
.card dl dt{ font-family:var(--font-mono); font-size:0.68rem; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink-faint); min-width:96px; }
.card dl dd{ margin:0; }
.card .thumb{ aspect-ratio:16/10; background:var(--bg); border:1px solid var(--line); margin:-26px -26px 0; }
.card .thumb img{ width:100%; height:100%; object-fit:cover; }

/* ---------- blog cards ---------- */
.posts{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.post{ display:flex; flex-direction:column; gap:10px; text-decoration:none; }
.post .thumb{ aspect-ratio: 4/3; background: var(--surface); border:1px solid var(--line); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.post .thumb img{ width:100%; height:100%; object-fit:cover; }
.post .thumb svg{ width:34px; height:34px; opacity:0.35; }
.post .tag{ font-family:var(--font-mono); font-size:0.66rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--accent-deep); }
.post h3{ font-size:1.05rem; font-weight:600; }
.post .date{ font-family:var(--font-mono); font-size:0.72rem; color:var(--ink-faint); }

/* ---------- closing CTA ---------- */
.closing{ padding: 88px 0; }
.closing h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); max-width: 20ch; }
.closing .cta-row{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding: 40px 0; }
.site-footer .bar{ display:flex; justify-content:space-between; align-items:center; gap:24px; flex-wrap:wrap; }
.site-footer .contact{ display:flex; gap:22px; flex-wrap:wrap; font-size:0.88rem; color:var(--ink-soft); list-style:none; margin:0; padding:0; }
.site-footer .contact a{ text-decoration:none; }
.site-footer .contact a:hover{ color:var(--ink); }
.site-footer .copy{ font-family:var(--font-mono); font-size:0.7rem; color:var(--ink-faint); margin-top:18px; }

/* ---------- single post / page content ---------- */
.content-wrap{ padding: 64px 0 88px; }
.content-wrap .entry-header{ margin-bottom: 32px; }
.content-wrap .entry-header .eyebrow{ margin-bottom:14px; }
.content-wrap .entry-header h1{ font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.content-wrap .entry-meta{ font-family:var(--font-mono); font-size:0.78rem; color:var(--ink-faint); margin-top:14px; }
.content-wrap .entry-content{ max-width: 68ch; font-size:1.05rem; color: var(--ink); }
.content-wrap .entry-content p{ margin: 0 0 1.2em; }
.content-wrap .entry-content h2{ font-size:1.5rem; margin: 1.6em 0 0.6em; }
.content-wrap .entry-content h3{ font-size:1.2rem; margin: 1.4em 0 0.5em; }
.content-wrap .entry-content img{ margin: 1.4em 0; border:1px solid var(--line); }
.content-wrap .entry-content a{ color: var(--accent-deep); text-decoration-thickness: 1px; }
.content-wrap .entry-content blockquote{ font-family:var(--font-display); font-style:italic; font-size:1.2rem; border-left:2px solid var(--accent); margin:1.6em 0; padding-left:20px; color:var(--ink-soft); }

@media (max-width: 860px){
  .links{ display:none; }
  .about-grid{ grid-template-columns:1fr; }
  .avatar-seal{ width:120px; height:120px; }
  .avatar-seal svg{ width:64px; height:64px; }
  .cards{ grid-template-columns:1fr; }
  .posts{ grid-template-columns:1fr; }
  .row-item{ grid-template-columns: 40px 1fr; }
  .row-item p{ grid-column: 2; }
  .site-footer .bar{ flex-direction:column; align-items:flex-start; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto !important; }
}