/* ============================================================
   PTFV Đà Nẵng — Design tokens
   Brand: logo PTFinance (xanh dương đậm + cam, nét chéo "/")
   Hướng thẩm mỹ: institutional trust × editorial hiện đại
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=Be+Vietnam+Pro:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Lora:ital,wght@0,500;0,600;0,700;1,500&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  /* --- Màu thương hiệu ---
     Nền tối lấy tông xanh logo (#1A5FA8) thay vì navy đen — sáng & xanh hơn */
  --navy-950: #0B2F57;
  --navy-900: #103F73;
  --navy-800: #17508C;
  --navy-700: #1C63AD;
  --blue-600: #1A5FA8;   /* xanh logo */
  --blue-500: #2273C7;
  --blue-100: #DCEAF7;
  --blue-050: #EEF5FB;
  --orange-600: #E05E00;
  --orange-500: #F57920; /* cam logo */
  --orange-100: #FDE8D6;

  /* --- Trung tính --- */
  --paper: #F5F8FB;
  --white: #FFFFFF;
  --ink: #122437;
  --muted: #5A6B7E;
  --line: #D9E2EC;
  --line-soft: #E8EEF5;

  /* --- Ngữ nghĩa --- */
  --ok: #1B8A4B;
  --ok-bg: #E5F5EC;
  --warn: #B7791F;
  --warn-bg: #FCF0DC;
  --err: #C0392B;
  --err-bg: #FBE9E7;

  /* --- Chữ --- */
  --font-display: 'Archivo', 'Be Vietnam Pro', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;

  /* --- Nhịp không gian --- */
  --container: 1180px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(7, 29, 51, .08);
  --shadow-md: 0 6px 24px rgba(7, 29, 51, .10);
  --shadow-lg: 0 18px 48px rgba(7, 29, 51, .18);

  /* --- Chuyển động --- */
  --ease: cubic-bezier(.22, .8, .3, 1);
}

/* ---------- Reset gọn ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}
img { max-width: 100%; display: block; }
a { color: var(--blue-600); text-decoration: none; }
a:hover { color: var(--orange-600); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; color: var(--navy-900); margin: 0 0 .5em; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 15px; }

/* ---------- Tiện ích chung ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Kicker: nhãn nhỏ trên tiêu đề section, kèm nét chéo cam đặc trưng logo */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 13px;
  letter-spacing: .14em; text-transform: uppercase; color: var(--blue-600);
}
.kicker::before {
  content: ''; width: 26px; height: 12px; flex: none;
  background: linear-gradient(to bottom right, transparent 46%, var(--orange-500) 46%, var(--orange-500) 62%, transparent 62%),
              linear-gradient(to bottom right, transparent 66%, var(--blue-600) 66%, var(--blue-600) 82%, transparent 82%);
}

/* Nút */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius); border: 1.5px solid transparent;
  font-family: var(--font-display); font-weight: 700; font-size: 15px; letter-spacing: .01em;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s, color .18s, border-color .18s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange-500); color: #fff; box-shadow: 0 4px 14px rgba(245, 121, 32, .35); }
.btn-primary:hover { background: var(--orange-600); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(245, 121, 32, .4); }
.btn-navy { background: var(--navy-800); color: #fff; }
.btn-navy:hover { background: var(--navy-700); color: #fff; transform: translateY(-2px); }
.btn-outline { border-color: var(--line); color: var(--navy-800); background: var(--white); }
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-600); }
.btn-ghost-light { border-color: rgba(255,255,255,.35); color: #fff; background: transparent; }
.btn-ghost-light:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.08); }

/* Badge */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-err { background: var(--err-bg); color: var(--err); }
.badge-blue { background: var(--blue-050); color: var(--blue-600); }

/* Hiệu ứng xuất hiện khi cuộn */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}