/* Swordlings — web tĩnh cho store. Không build, không phụ thuộc gì ngoài 1 font. */

:root {
  --parchment: #f6ead2;
  --parchment-deep: #ecdcbc;
  --ink: #3b2e22;
  --ink-soft: #6b5947;
  --blue: #3f6fb5;
  --blue-deep: #2b4f85;
  --red: #b8453f;
  --gold: #d0a13c;
  --green: #5f8f42;
  --line: #d8c39a;
  --shadow: 0 2px 0 #d8c39a, 0 8px 24px rgba(59, 46, 34, .12);
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(208, 161, 60, .10), transparent 42%),
    radial-gradient(circle at 88% 4%, rgba(63, 111, 181, .10), transparent 38%);
  color: var(--ink);
  font: 16px/1.72 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* ---------------------------------------------------------------- chuyển ngữ */
/* Mặc định ẩn hết; app.js gắn class lang-xx lên <html> để hiện đúng thứ tiếng. */
[data-lang] { display: none; }
html.lang-en [data-lang="en"] { display: revert; }
html.lang-vi [data-lang="vi"] { display: revert; }

/* ---------------------------------------------------------------- đầu trang */
header {
  border-bottom: 2px solid var(--line);
  background: rgba(246, 234, 210, .92);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.bar { display: flex; align-items: center; gap: 14px; padding: 12px 0; }

.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); margin-right: auto; }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: var(--shadow); }
.brand b { font-size: 18px; letter-spacing: .2px; }
.brand span { display: block; font-size: 11.5px; color: var(--ink-soft); letter-spacing: .6px; text-transform: uppercase; }

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  padding: 7px 11px;
  border-radius: 9px;
}
nav a:hover { color: var(--blue-deep); background: rgba(63, 111, 181, .09); }
nav a[aria-current="page"] { color: var(--blue-deep); background: rgba(63, 111, 181, .13); }

#lang {
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--line);
  background: var(--parchment-deep);
  color: var(--ink);
  border-radius: 9px;
  padding: 6px 11px;
}
#lang:hover { border-color: var(--gold); }

/* ---------------------------------------------------------------- nội dung */
main { padding: 40px 0 64px; }

h1 { font-size: clamp(27px, 5vw, 38px); line-height: 1.22; margin: 0 0 10px; letter-spacing: -.3px; }
h2 {
  font-size: 20px;
  margin: 38px 0 12px;
  padding-top: 20px;
  border-top: 2px solid var(--line);
  letter-spacing: -.2px;
}
h3 { font-size: 16.5px; margin: 24px 0 8px; }
p, li { color: #4a3b2d; }
a { color: var(--blue-deep); }

.lede { font-size: 17.5px; color: var(--ink-soft); margin-bottom: 4px; }
.stamp { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 26px; }

.card {
  background: #fffaf0;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  margin: 22px 0;
}
.card h3 { margin-top: 0; }
.card :last-child { margin-bottom: 0; }

.good { border-left: 5px solid var(--green); }
.warn { border-left: 5px solid var(--gold); }

table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--parchment-deep); font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }
tbody tr:last-child td { border-bottom: none; }

ul { padding-left: 20px; }
li { margin: 6px 0; }

code { background: var(--parchment-deep); padding: 2px 6px; border-radius: 5px; font-size: 13.5px; }

/* ---------------------------------------------------------------- trang chủ */
.hero { text-align: center; padding: 22px 0 8px; }
.hero img.logo { width: 132px; height: 132px; border-radius: 28px; box-shadow: var(--shadow); }
.hero h1 { margin-top: 20px; }
.tag { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1.4px; text-transform: uppercase; color: var(--gold); }

.feats { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 15px; margin: 30px 0; }
.feat { background: #fffaf0; border: 2px solid var(--line); border-radius: var(--radius); padding: 17px 19px; }
.feat b { display: block; margin-bottom: 5px; font-size: 15.5px; }
.feat p { margin: 0; font-size: 14.5px; color: var(--ink-soft); }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; vertical-align: 1px; }
.dot.b { background: var(--blue); }
.dot.r { background: var(--red); }
.dot.g { background: var(--green); }
.dot.y { background: var(--gold); }

/* ---------------------------------------------------------------- chân trang */
footer {
  border-top: 2px solid var(--line);
  padding: 26px 0 44px;
  font-size: 14px;
  color: var(--ink-soft);
}
footer a { color: var(--ink-soft); margin-right: 16px; }
footer .fine { margin-top: 12px; font-size: 12.5px; opacity: .85; }

@media (max-width: 560px) {
  .bar { flex-wrap: wrap; gap: 8px; }
  .brand { margin-right: auto; }
  nav a { padding: 6px 8px; font-size: 13.5px; }
  main { padding: 28px 0 44px; }
}