/* =====================================================================
   Jianwei – Membrane Switch Việt Nam
   Bảng màu & kiểu chữ chủ đạo
   ===================================================================== */
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/bevietnampro-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/bevietnampro-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('fonts/bevietnampro-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('fonts/bevietnampro-800.woff2') format('woff2');
}

:root {
  --jw-ink: #061a2c;
  --jw-navy: #0a2540;
  --jw-blue: #0f5c9c;
  --jw-accent: #0c9ba8;
  --jw-gold: #c9a227;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Be Vietnam Pro', 'Segoe UI', Tahoma, Arial, sans-serif;
  color: #24313d;
  background: #ffffff;
  letter-spacing: -0.005em;
  overflow-x: hidden;
}

h1, h2, h3, h4, .jw-display {
  letter-spacing: -0.025em;
  text-wrap: balance;
}

::selection { background: #0c9ba8; color: #fff; }

/* --- Bố cục --- */
.jw-container { width: 100%; max-width: 1240px; margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 1024px) { .jw-container { padding-inline: 2rem; } }

/* --- Nhãn nhỏ trên tiêu đề --- */
.jw-eyebrow {
  display: inline-flex; align-items: center; gap: .55rem;
  font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--jw-accent);
}
.jw-eyebrow::before {
  content: ""; width: 26px; height: 2px; background: var(--jw-accent); display: inline-block;
}

/* --- Đường nhấn mảnh --- */
.jw-rule { height: 3px; width: 56px; background: linear-gradient(90deg, var(--jw-accent), #2bb3c0); border-radius: 99px; }

/* --- Nút --- */
.jw-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .95rem 1.9rem; border-radius: 999px;
  font-weight: 600; font-size: .95rem; line-height: 1;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.jw-btn-primary {
  background: linear-gradient(120deg, #0c9ba8 0%, #0f6fae 100%);
  color: #fff; box-shadow: 0 12px 28px -12px rgba(12, 155, 168, .85);
}
.jw-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -12px rgba(12, 155, 168, .95); }
.jw-btn-ghost { border: 1px solid rgba(255,255,255,.4); color: #fff; backdrop-filter: blur(6px); }
.jw-btn-ghost:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.8); }
.jw-btn-dark { background: var(--jw-navy); color: #fff; }
.jw-btn-dark:hover { background: var(--jw-ink); transform: translateY(-2px); }
.jw-btn-outline { border: 1px solid #cdd8e3; color: var(--jw-navy); background: #fff; }
.jw-btn-outline:hover { border-color: var(--jw-accent); color: var(--jw-accent); transform: translateY(-2px); }

/* --- Thẻ sản phẩm --- */
.jw-card {
  background: #fff; border: 1px solid #e6ecf2; border-radius: 1.1rem; overflow: hidden;
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s ease, border-color .35s ease;
}
.jw-card:hover { transform: translateY(-6px); box-shadow: 0 26px 50px -30px rgba(6,26,44,.55); border-color: #cfe0ea; }
.jw-card__media { position: relative; overflow: hidden; background: #f1f5f9; }
.jw-card__media img { transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.jw-card:hover .jw-card__media img { transform: scale(1.06); }

/* --- Ảnh có khung --- */
.jw-img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* --- Banner trang trong --- */
.jw-pagehero {
  position: relative; isolation: isolate; overflow: hidden;
  background: radial-gradient(120% 140% at 15% 0%, #114b7b 0%, #0a2540 46%, #05121f 100%);
}
.jw-pagehero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .22;
  background-image:
    linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 100% at 70% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 100% at 70% 30%, #000 0%, transparent 78%);
}

/* --- Lưới chấm trang trí --- */
.jw-dots {
  background-image: radial-gradient(rgba(255,255,255,.22) 1px, transparent 1px);
  background-size: 18px 18px;
}

/* --- Điều hướng --- */
.jw-nav a { position: relative; }
.jw-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--jw-accent); transition: width .3s ease;
}
.jw-nav a:hover::after, .jw-nav a[aria-current="page"]::after { width: 100%; }

/* --- Thanh tiến trình đọc (trang chi tiết) --- */
.jw-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 90;
  background: linear-gradient(90deg, #0c9ba8, #66d3d1); transition: width .12s linear; }

/* --- Accordion FAQ --- */
.jw-acc summary { list-style: none; cursor: pointer; }
.jw-acc summary::-webkit-details-marker { display: none; }
.jw-acc[open] .jw-acc__icon { transform: rotate(45deg); }
.jw-acc__icon { transition: transform .3s ease; }

/* --- Form --- */
.jw-field {
  width: 100%; border: 1px solid #d8e2eb; border-radius: .7rem; background: #fff;
  padding: .85rem 1rem; font-size: .95rem; color: #1f2b36; transition: border-color .2s, box-shadow .2s;
}
.jw-field:focus { outline: none; border-color: var(--jw-accent); box-shadow: 0 0 0 4px rgba(12,155,168,.13); }
.jw-field::placeholder { color: #9aa9b6; }
.jw-label { display: block; font-size: .82rem; font-weight: 600; color: #3c4c5b; margin-bottom: .4rem; }
.jw-label .req { color: #d9534f; }

/* --- Hoạt cảnh xuất hiện khi cuộn --- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .jw-card:hover { transform: none; }
}

/* --- Marquee đối tác / chứng nhận --- */
@keyframes jw-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.jw-float { animation: jw-float 7s ease-in-out infinite; }

/* --- Bảng thông số --- */
.jw-spec tr:nth-child(even) { background: #f7fafc; }
.jw-spec th, .jw-spec td { padding: .85rem 1rem; text-align: left; vertical-align: top; font-size: .92rem; }
.jw-spec th { width: 38%; font-weight: 600; color: var(--jw-navy); }

/* --- Ẩn thanh cuộn ngang cho dải tab --- */
.no-scrollbar::-webkit-scrollbar { display: none; }
.no-scrollbar { -ms-overflow-style: none; scrollbar-width: none; }

/* --- Spinner nút gửi form --- */
@keyframes jw-spin { to { transform: rotate(360deg); } }

/* --- Header dính, đổi trạng thái khi cuộn --- */
#siteHeader { transition: box-shadow .3s ease, background .3s ease, backdrop-filter .3s ease; }
#siteHeader.is-scrolled {
  box-shadow: 0 10px 30px -18px rgba(6,26,44,.5);
  backdrop-filter: saturate(150%) blur(10px);
}

/* --- Nút lọc sản phẩm --- */
[data-filter] { transition: all .25s ease; }
[data-filter].is-active { background: var(--jw-navy); color: #fff; border-color: var(--jw-navy); }

/* --- Danh sách đánh dấu --- */
.jw-check li { position: relative; padding-left: 1.6rem; }
.jw-check li::before {
  content: ""; position: absolute; left: 0; top: .52em; width: .62rem; height: .34rem;
  border-left: 2px solid var(--jw-accent); border-bottom: 2px solid var(--jw-accent);
  transform: rotate(-45deg);
}