/* Trang giới thiệu: cùng màu và kiểu chữ với phần thiết kế */
:root { --bg: #eef1f2; --surface: #fff; --line: #d5dbdd; --fg: #1d2427; --muted: #5f6b70; --accent: #c4501f; --display: "Barlow Condensed", "Arial Narrow", sans-serif; --mono: "JetBrains Mono", ui-monospace, monospace; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 "Be Vietnam Pro", system-ui, sans-serif; }
a { color: inherit; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.top { background: var(--surface); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font: 700 24px var(--display); text-decoration: none; color: var(--accent); }
.top nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.top nav a { text-decoration: none; white-space: nowrap; }
.brand span { white-space: nowrap; }
.top nav .cta { background: var(--accent); color: #fff; padding: 6px 14px; border-radius: 6px; }
.hero { padding: 64px 0; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
h1 { font: 700 clamp(40px, 6vw, 64px)/1.05 var(--display); margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.acts { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 6px; border: 1px solid var(--line); background: var(--surface); text-decoration: none; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cuts { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 18px; font-family: var(--mono); }
.cuts figcaption { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.bar { display: flex; height: 52px; margin-bottom: 8px; gap: 2px; }
.cut { min-width: 0; background: #d3dade; border: 1px solid #8d999f; display: flex; flex-direction: column; justify-content: center; align-items: center; font-size: 12px; line-height: 1.2; overflow: hidden; }
.cut i { font: 10px "Be Vietnam Pro", sans-serif; color: var(--muted); }
.waste { background: repeating-linear-gradient(45deg, #fbe9df, #fbe9df 4px, #f3c9b3 4px, #f3c9b3 8px); }
.feat { background: var(--surface); padding: 56px 0; border-block: 1px solid var(--line); }
h2 { font: 700 34px/1.15 var(--display); margin: 0 0 24px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 32px; }
.grid h3 { font-size: 16px; margin: 0 0 6px; }
.grid p { margin: 0; color: var(--muted); font-size: 15px; }
.roles { padding: 56px 0; }
.roles h2 { margin-bottom: 6px; }
.credit { padding: 20px; text-align: center; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; }
.credit a { display: inline-flex; align-items: center; gap: 4px; margin-left: 8px; }
@media (max-width: 860px) { .hero { padding: 36px 0; } .hero-grid { grid-template-columns: 1fr; gap: 28px; } .grid { grid-template-columns: 1fr; } .cut i { display: none; } .top nav { gap: 10px; font-size: 13px; } .top nav .cta { padding: 5px 10px; } .brand { font-size: 20px; gap: 6px; } }