/**
 * Design Tokens — Nhân Sâm Việt Hàn
 * Nguồn chân lý duy nhất cho màu sắc, chữ, khoảng cách.
 * Import đầu tiên trong style.css của child theme.
 */

/* Be Vietnam Pro 600 — self-host. 400/700/800 do Kirki tự localize. */
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/be-vietnam-pro-600-viet.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/be-vietnam-pro-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/be-vietnam-pro-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* ===== Màu thương hiệu ===== */
  --ns-primary: #2ca53a;
  --ns-primary-dark: #1f7d2c;
  --ns-primary-light: #e8f5ea;
  --ns-red: #c0392b;
  --ns-red-dark: #a93226;
  --ns-gold: #d4a94e;
  --ns-gold-light: #f6ecd7;
  --ns-beige: #f7f3ea;
  --ns-ink: #1e2a20;
  --ns-gray: #6b7570;
  --ns-line: #e3e8e4;
  --ns-bg: #ffffff;
  --ns-zalo: #0068ff;
  --ns-messenger: #a333c8;

  /* ===== Chữ ===== */
  --ns-font: "Be Vietnam Pro", -apple-system, "Segoe UI", Roboto, sans-serif;
  --ns-fs-h1: 24px;
  --ns-fs-h2: 20px;
  --ns-fs-h3: 17px;
  --ns-fs-body: 15px;
  --ns-fs-small: 13px;
  --ns-fs-price: 18px;
  --ns-lh-body: 1.65;
  --ns-lh-heading: 1.3;

  /* ===== Khoảng cách (scale 4px) ===== */
  --ns-sp-1: 4px;
  --ns-sp-2: 8px;
  --ns-sp-3: 12px;
  --ns-sp-4: 16px;
  --ns-sp-6: 24px;
  --ns-sp-8: 32px;
  --ns-sp-12: 48px;
  --ns-sp-16: 64px;

  /* ===== Bo góc & bóng ===== */
  --ns-radius-sm: 6px;
  --ns-radius: 8px;
  --ns-radius-lg: 10px;
  --ns-radius-full: 999px;
  --ns-shadow-sm: 0 1px 3px rgba(30, 42, 32, 0.08);
  --ns-shadow: 0 4px 14px rgba(30, 42, 32, 0.1);

  /* ===== Kích thước tương tác (mobile-first) ===== */
  --ns-touch: 44px;        /* touch target toi thieu */
  --ns-btn-h: 48px;        /* chieu cao nut chinh */
  --ns-input-h: 48px;
  --ns-header-h: 56px;
  --ns-contact-bar-h: 48px;

  /* ===== Container ===== */
  --ns-container: 1200px;
  --ns-pad-x: 16px;

  /* ===== Transition ===== */
  --ns-ease: 0.2s ease;
}

@media (min-width: 768px) {
  :root {
    --ns-fs-h1: 32px;
    --ns-fs-h2: 26px;
    --ns-fs-h3: 20px;
    --ns-fs-body: 16px;
    --ns-fs-price: 22px;
    --ns-pad-x: 24px;
  }
}