/* ================================================================
   An An Trading — design tokens
   Palette lấy từ logo công ty: xanh rêu đậm + teal + vòng cung mint
   ================================================================ */
:root {
  --pine:      #2C3A3E;  /* xanh rêu đậm của chữ A trước — màu chủ đạo */
  --pine-deep: #1F2B2E;  /* đậm hơn — nền section liên hệ */
  --ink:       #23262B;  /* chữ chính */
  --washi:     #F5F7F4;  /* nền trắng washi, mát */
  --mist:      #E8EEE8;  /* nền phụ, viền mềm — phớt mint */
  --teal:      #4D6F70;  /* teal của chữ A sau, đậm hơn 1 bậc để chữ nhỏ đạt tương phản WCAG AA ≥4.5:1 */
  --mint:      #C9E0CC;  /* xanh mint của vòng cung logo */
  --line:      #D5DDD4;

  --font-display: "Bricolage Grotesque", "Be Vietnam Pro", sans-serif;
  --font-body:    "Be Vietnam Pro", sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;

  --measure: 62ch;
  --pad-x: clamp(1.25rem, 5vw, 5rem);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* skip link cho người dùng bàn phím / máy đọc màn hình */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  background: var(--pine);
  color: #fff;
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 4px 0;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
}
.skip-link:focus { left: 0; }

html { scroll-behavior: smooth; }

/* header sticky che mất đầu section khi nhảy anchor — chừa khoảng đệm */
section[id] { scroll-margin-top: 5.5rem; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--washi);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.08;
  color: var(--pine);
  letter-spacing: -0.015em;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------------- Logo — hai chữ A cách điệu dưới vòng cung mint ---------------- */
.logo-mark {
  display: block;
  height: auto;
  /* ảnh JPG nền trắng: multiply cho nền trắng hòa vào nền sáng của trang */
  mix-blend-mode: multiply;
}
.logo-mark--small { width: 2.8rem; }
.logo-mark--hero  { width: clamp(10rem, 18vw, 15rem); }
/* trên nền tối, đặt logo trong thẻ trắng thay vì blend */
.logo-card {
  background: #FFFFFF;
  border-radius: 8px;
  padding: 0.8rem;
  width: 6rem;
}
.logo-card .logo-mark { width: 100%; mix-blend-mode: normal; }

/* ---------------- Nhãn chung ---------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.9rem;
}
.eyebrow--light { color: color-mix(in srgb, var(--washi) 75%, var(--teal)); }

.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.85rem 1.7rem;
  border-radius: 4px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn--primary {
  background: var(--teal);
  color: var(--washi);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 6px 18px color-mix(in srgb, var(--teal) 35%, transparent); }
.btn--ghost {
  color: var(--pine);
  box-shadow: inset 0 0 0 1.5px var(--pine);
}
.btn--ghost:hover { background: color-mix(in srgb, var(--pine) 8%, transparent); }
.btn--wide { width: 100%; text-align: center; }

/* ================= HEADER ================= */
.site-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1rem var(--pad-x);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--washi) 92%, transparent);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.04em; color: var(--pine); }
.brand-text small { font-size: 0.68rem; color: color-mix(in srgb, var(--ink) 60%, transparent); }

.site-nav { display: flex; gap: 1.6rem; margin-inline: auto; }
.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  padding-block: 0.3rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { border-bottom-color: var(--teal); }

.header-side { display: flex; align-items: center; gap: 1.1rem; }
.lang-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}
.lang-chip b { color: var(--pine); }
.lang-chip i { font-style: normal; margin-inline: 0.3em; }
.hotline {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--pine);
  text-decoration: none;
}
.hotline:hover { color: var(--teal); }

/* ================= HERO ================= */
.hero {
  padding: clamp(3rem, 8vh, 6rem) var(--pad-x) clamp(3rem, 7vh, 5rem);
  background:
    radial-gradient(ellipse 60% 50% at 85% 15%, color-mix(in srgb, var(--pine) 6%, transparent), transparent 70%),
    var(--washi);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2rem, 5vw, 5rem);
  max-width: 1200px;
  margin-inline: auto;
  align-items: start;
}
.hero h1 {
  font-size: clamp(2.6rem, 6.5vw, 4.6rem);
  font-weight: 800;
  margin-bottom: 1.4rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--teal);
}
.lede {
  max-width: var(--measure);
  font-size: 1.08rem;
  color: color-mix(in srgb, var(--ink) 82%, transparent);
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 3rem; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  padding-top: 1.6rem;
}
.hero-stats dt {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--pine);
}
.hero-stats dd {
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
  max-width: 11rem;
}

/* cột dọc kiểu Nhật + logo */
.hero-side {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding-top: 0.5rem;
}
.tategaki {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  letter-spacing: 0.45em;
  color: color-mix(in srgb, var(--pine) 55%, transparent);
  border-right: 1px solid var(--line);
  padding-right: 1.2rem;
  min-height: 18rem;
}
.logo-mark--hero {
  animation: stamp 0.55s cubic-bezier(0.2, 1.4, 0.4, 1) 0.5s backwards;
}
@keyframes stamp {
  from { transform: scale(1.3); opacity: 0; }
  to   { transform: none;       opacity: 1; }
}

/* hero load reveal */
.reveal { animation: rise 0.7s ease backwards; }
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* ================= Ý NGHĨA TÊN ================= */
.meaning {
  background: var(--mist);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.meaning-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  max-width: 1000px;
  margin-inline: auto;
  align-items: center;
}
.meaning-glyph {
  font-family: var(--font-display);
  font-size: clamp(7rem, 16vw, 13rem);
  font-weight: 800;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px color-mix(in srgb, var(--pine) 45%, transparent);
}
.meaning h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 1rem; }
.meaning h2 em { font-style: normal; color: var(--teal); }
.meaning p { max-width: var(--measure); }
.tagline {
  margin-top: 1.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--pine);
}

/* ================= DỊCH VỤ ================= */
.services { padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x); max-width: 1200px; margin-inline: auto; }
.section-head { margin-bottom: 2.8rem; }
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}
.service {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem 1.8rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.service:hover { border-color: var(--pine); transform: translateY(-3px); }
.service-kanji {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: color-mix(in srgb, var(--pine) 30%, transparent);
  line-height: 1;
}
.service h3 { font-size: 1.22rem; }
.service p { font-size: 0.95rem; color: color-mix(in srgb, var(--ink) 80%, transparent); flex-grow: 1; }
.service-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--teal) 40%, transparent);
  align-self: flex-start;
  padding-bottom: 2px;
}
.service-link:hover { border-bottom-color: var(--teal); }

/* ================= QUY TRÌNH ================= */
.process {
  background: var(--pine);
  color: var(--washi);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.process .section-head { max-width: 1200px; margin-inline: auto; margin-bottom: 2.8rem; }
.process .eyebrow { color: color-mix(in srgb, var(--washi) 70%, var(--teal)); }
.process h2 { color: var(--washi); font-size: clamp(1.9rem, 4vw, 2.8rem); }

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.4rem;
  max-width: 1200px;
  margin-inline: auto;
}
.steps li {
  border-top: 2px solid color-mix(in srgb, var(--washi) 30%, transparent);
  padding-top: 1.2rem;
}
.step-no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: color-mix(in srgb, var(--washi) 65%, var(--teal));
  display: block;
  margin-bottom: 0.7rem;
}
.steps h3 { color: var(--washi); font-size: 1.08rem; margin-bottom: 0.5rem; }
.steps p { font-size: 0.9rem; color: color-mix(in srgb, var(--washi) 78%, transparent); }

/* ================= LIÊN HỆ ================= */
.contact {
  background: var(--pine-deep);
  color: var(--washi);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  max-width: 1100px;
  margin-inline: auto;
  align-items: start;
}
.contact h2 { color: var(--washi); font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 1rem; }
.contact-copy > p { color: color-mix(in srgb, var(--washi) 80%, transparent); max-width: var(--measure); }

.contact-list { list-style: none; margin-top: 2rem; display: grid; gap: 0.9rem; }
.contact-list li {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--washi) 15%, transparent);
  padding-bottom: 0.9rem;
  font-size: 0.95rem;
}
.contact-list span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--washi) 55%, transparent);
  padding-top: 0.15rem;
}
.contact-list a { color: var(--washi); text-decoration: none; }
.contact-list a:hover { color: color-mix(in srgb, var(--washi) 70%, var(--teal)); }
.contact-list address { font-style: normal; }
.map-embed {
  display: block;
  width: 100%;
  height: 230px;
  margin-top: 1.6rem;
  border: 1px solid color-mix(in srgb, var(--washi) 18%, transparent);
  border-radius: 6px;
}
/* khung chờ bản đồ — chỉ tải iframe Google Maps khi khách bấm */
.map-facade {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  height: 230px;
  margin-top: 1.6rem;
  border: 1px dashed color-mix(in srgb, var(--washi) 30%, transparent);
  border-radius: 6px;
  background: color-mix(in srgb, var(--washi) 6%, transparent);
}
.map-facade p { font-size: 0.92rem; color: color-mix(in srgb, var(--washi) 80%, transparent); }
.map-facade button {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--washi);
  background: var(--teal);
  border: 0;
  border-radius: 4px;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
}
.map-facade button:hover { filter: brightness(1.1); }

.contact-panel {
  background: color-mix(in srgb, var(--washi) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--washi) 18%, transparent);
  border-radius: 6px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  align-items: flex-start;
}
.contact-panel-note { font-size: 0.92rem; color: color-mix(in srgb, var(--washi) 82%, transparent); }
.panel-alt-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: color-mix(in srgb, var(--washi) 60%, transparent);
  text-decoration: underline;
  text-underline-offset: 3px;
  align-self: center;
}
.panel-alt-link:hover { color: var(--washi); }

/* ================= FOOTER ================= */
.site-footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1.4rem var(--pad-x);
  font-size: 0.82rem;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
  border-top: 1px solid var(--line);
}
.footer-kanji { font-family: var(--font-display); letter-spacing: 0.2em; color: color-mix(in srgb, var(--pine) 60%, transparent); }
.to-top {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--teal);
  text-decoration: none;
  white-space: nowrap;
}
.to-top:hover { text-decoration: underline; }

/* ================= THANH HÀNH ĐỘNG MOBILE ================= */
/* Trên điện thoại — thiết bị chính của người lao động — luôn có sẵn
   3 nút liên hệ trong tầm ngón cái, thay cho hotline bị ẩn ở header */
.action-bar { display: none; }
@media (max-width: 640px) {
  .action-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 20;
    display: grid;
    grid-template-columns: 1fr 1fr 1.3fr;
    gap: 0.55rem;
    background: color-mix(in srgb, #FFFFFF 96%, transparent);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
    padding: 0.55rem 0.8rem calc(0.55rem + env(safe-area-inset-bottom));
  }
  .action-bar a {
    text-align: center;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    padding: 0.65rem 0;
    border-radius: 4px;
    color: var(--pine);
    box-shadow: inset 0 0 0 1.5px var(--pine);
  }
  .action-bar .primary { background: var(--teal); color: #fff; box-shadow: none; }
  body { padding-bottom: 4.4rem; }
}

/* ================= SCROLL REVEAL ================= */
.will-reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.will-reveal.in-view { opacity: 1; transform: none; }

/* ================= REDUCED MOTION ================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .logo-mark--hero { animation: none; }
  .will-reveal { opacity: 1; transform: none; transition: none; }
  .btn, .service { transition: none; }
}

/* ================= NIỀM TIN ================= */
.trust {
  background: #FFFFFF;
  border-block: 1px solid var(--line);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.trust-inner { max-width: 1200px; margin-inline: auto; }

/* câu cam kết — trả lời thẳng nghi ngại "sợ bị thu phí ngoài" */
.trust-pledge {
  max-width: var(--measure);
  font-size: 1.15rem;
  line-height: 1.6;
  border-left: 3px solid var(--teal);
  padding-left: 1.2rem;
  margin-bottom: 2.8rem;
}
.trust-pledge strong { color: var(--pine); }

.trust-claims {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
  margin-bottom: 3rem;
}
.claim {
  background: var(--washi);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.6rem 1.5rem;
}
.claim-lead {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--pine);
  margin-bottom: 0.5rem;
}
.claim p:not(.claim-lead) { font-size: 0.92rem; color: color-mix(in srgb, var(--ink) 78%, transparent); }

.testimonial {
  max-width: 780px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem 2.2rem;
  background:
    linear-gradient(color-mix(in srgb, var(--mint) 18%, transparent), transparent 40%),
    #FFFFFF;
}
.testimonial blockquote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--pine);
  margin-bottom: 1rem;
}
.testimonial figcaption {
  font-size: 0.88rem;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
}

/* bản scan giấy tờ pháp lý (đã che thông tin cá nhân) */
.legal-docs { margin-top: 2.6rem; }
.legal-docs-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--ink) 65%, transparent);
  margin-bottom: 1rem;
}
.legal-docs-grid { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.legal-docs-grid a {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(17rem, 100%);
  text-decoration: none;
}
.legal-docs-grid img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  display: block;
  /* scan gốc hơi nhạt — tăng nhẹ tương phản khi hiển thị cho chữ đậm rõ */
  filter: contrast(1.12);
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}
.legal-docs-grid a:hover img {
  border-color: var(--teal);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--pine) 18%, transparent);
}
.legal-docs-grid span {
  font-size: 0.8rem;
  line-height: 1.4;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
}

/* ================= TIN TỨC ================= */
.news { padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x); max-width: 1200px; margin-inline: auto; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}
.news-item {
  border-top: 2px solid var(--pine);
  padding-top: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.news-meta {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}
.news-meta time { color: color-mix(in srgb, var(--ink) 55%, transparent); }
.news-meta .news-tag { color: var(--teal); text-transform: uppercase; }
.news-item h3 { font-size: 1.12rem; line-height: 1.35; }
.news-item h3 a { text-decoration: none; }
.news-item h3 a:hover { color: var(--teal); }
.news-item p { font-size: 0.92rem; color: color-mix(in srgb, var(--ink) 75%, transparent); }

/* ================= HỎI ĐÁP ================= */
.faq {
  background: #FFFFFF;
  border-top: 1px solid var(--line);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.faq-inner { max-width: 860px; margin-inline: auto; }
.faq-lede {
  max-width: var(--measure);
  margin-top: 0.9rem;
  color: color-mix(in srgb, var(--ink) 75%, transparent);
}
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem 0.2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--pine);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+";
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--teal);
  transition: transform 0.2s ease;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list summary:hover { color: var(--teal); }
.faq-list details p {
  padding: 0 0.2rem 1.3rem;
  max-width: var(--measure);
  color: color-mix(in srgb, var(--ink) 82%, transparent);
}
@media (prefers-reduced-motion: reduce) {
  .faq-list summary::after { transition: none; }
}

/* ================= TRANG BÀI VIẾT TIN TỨC ================= */
.article-wrap {
  max-width: 720px;
  margin-inline: auto;
  padding: clamp(2.5rem, 6vh, 4rem) var(--pad-x) 4rem;
}
.article-wrap h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin-bottom: 1.4rem;
}
.article-wrap .news-meta { margin-bottom: 1rem; }
.article-wrap p { margin-bottom: 1.1rem; max-width: none; }
.article-wrap ul { margin: 0 0 1.1rem 1.3rem; }
.article-wrap li { margin-bottom: 0.4rem; }
.article-wrap figure { margin: 1.6rem 0; }
.article-wrap figure img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  display: block;
}
.article-wrap figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: color-mix(in srgb, var(--ink) 62%, transparent);
  padding-top: 0.5rem;
  line-height: 1.5;
}
.article-cta {
  margin-top: 2rem;
  background: var(--mist);
  border-radius: 6px;
  padding: 1.5rem 1.6rem;
}
.article-cta p { margin-bottom: 1rem; }
.back-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--teal);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 1.6rem;
}
.back-link:hover { text-decoration: underline; }

/* ================= FORM ĐĂNG KÝ ================= */
.signup {
  background: var(--mist);
  padding: clamp(3.5rem, 9vh, 6.5rem) var(--pad-x);
}
.signup-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  max-width: 1100px;
  margin-inline: auto;
  align-items: start;
}
.signup-copy p { max-width: 40ch; color: color-mix(in srgb, var(--ink) 80%, transparent); }
.signup-copy h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 1rem; }
.signup-note {
  margin-top: 1.4rem;
  font-size: 0.85rem;
  color: color-mix(in srgb, var(--ink) 60%, transparent);
}

.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.7rem 0.85rem;
}
.field textarea { resize: vertical; min-height: 6.5rem; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 0;
  border-color: var(--teal);
}
.form .btn { grid-column: 1 / -1; justify-self: start; border: 0; cursor: pointer; }
.form-trust {
  grid-column: 1 / -1;
  font-size: 0.84rem;
  color: color-mix(in srgb, var(--ink) 62%, transparent);
  max-width: 46ch;
}
.form-status { grid-column: 1 / -1; font-size: 0.9rem; color: var(--teal); min-height: 1.2em; }

html:lang(ja) .field label { font-family: var(--font-body); letter-spacing: 0.06em; text-transform: none; font-weight: 500; }

/* ================= BẢN TIẾNG NHẬT ================= */
/* Bricolage Grotesque không có kana/kanji — bản JA dùng Zen Kaku Gothic New,
   tracking dương nhẹ và line-height cao hơn theo thói quen đọc tiếng Nhật. */
html:lang(ja) {
  --font-display: "Zen Kaku Gothic New", sans-serif;
  --font-body: "Zen Kaku Gothic New", sans-serif;
}
html:lang(ja) body { line-height: 1.85; }
html:lang(ja) h1, html:lang(ja) h2, html:lang(ja) h3 {
  letter-spacing: 0.02em;
  line-height: 1.3;
  font-weight: 900;
}
html:lang(ja) .hero h1 { font-size: clamp(2.1rem, 5vw, 3.7rem); }
html:lang(ja) .lede, html:lang(ja) .service p, html:lang(ja) .steps p { font-size: 0.97rem; }
html:lang(ja) .brand-text small { letter-spacing: 0.04em; }

/* Nút chuyển ngôn ngữ là liên kết giữa hai bản */
.lang-chip a { text-decoration: none; color: inherit; }
.lang-chip a:hover { color: var(--teal); }

/* ================= RESPONSIVE ================= */
@media (max-width: 960px) {
  .service-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact-inner { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .signup-inner { grid-template-columns: 1fr; }
  .trust-claims { grid-template-columns: 1fr; }
  /* nav xuống hàng riêng thay vì biến mất */
  .site-header { flex-wrap: wrap; row-gap: 0.4rem; }
  .site-nav { order: 3; width: 100%; margin-inline: 0; gap: 1.2rem; }
  .header-side { margin-left: auto; }
  /* tablet: thu cột trang trí hero để cột chữ không bị ép */
  .hero-inner { gap: 2rem; }
  .logo-mark--hero { width: 8rem; }
  .tategaki { min-height: 13rem; font-size: 1.05rem; padding-right: 0.9rem; letter-spacing: 0.35em; }
}
@media (max-width: 640px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 br, .process h2 br { display: none; }
  .hero-side { flex-direction: row-reverse; justify-content: flex-end; }
  .tategaki { min-height: 12rem; }
  .steps { grid-template-columns: 1fr; }
  .meaning-inner { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .meaning-glyph { font-size: 6rem; }
  .header-side .hotline { display: none; }
}