/* ==========================================================================
   landing.css — หน้าแรกสาธารณะของ Smart HR Central
   ต่อยอดจาก app.css (ใช้ตัวแปรสีชุดเดียวกัน) — ไฟล์นี้มีเฉพาะส่วนที่หน้า landing ใช้

   แนวทางออกแบบ: ทางการแบบราชการแต่ไม่แข็ง — พื้นสว่าง เว้นวรรคเยอะ
   ตัวเลข/ข้อความอ้างระเบียบเป็นพระเอก ไม่ใช้ภาพ stock หรือ gradient ฉูดฉาด
   ========================================================================== */

.lp-body {
  background:
    radial-gradient(1200px 520px at 50% -180px, color-mix(in srgb, var(--navy-2) 12%, transparent) 0%, transparent 70%),
    var(--surface);
}
.lp-wrap { max-width: 1180px; margin: 0 auto; padding: 0 1.25rem; position: relative; z-index: 1; }

/* ลายจุดจาง ๆ บนพื้นหลังส่วนหัว — สัญญาณภาพเดียวกับ central ของ wastesystem */
.lp-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px,
    color-mix(in srgb, var(--navy) 8%, transparent) 1px, transparent 0);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}
.lp-hero { position: relative; }

/* ── แถบบน ─────────────────────────────────────────────────────────────── */
.lp-nav {
  position: sticky; top: 0; z-index: 90;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.lp-nav .lp-wrap { display: flex; align-items: center; gap: 1rem; min-height: 66px; }
.lp-brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.lp-brand .mk {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex: none;
  background: linear-gradient(140deg, var(--navy-2), var(--navy)); color: #fff;
  box-shadow: 0 5px 14px rgba(31,60,100,.28);
}
.lp-brand b {
  font-family: var(--f-ui); font-size: 1.02rem; font-weight: 600; color: var(--ink);
  display: block; line-height: 1.15; letter-spacing: -.01em;
}
.lp-brand span { display: block; font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.lp-nav .sp { flex: 1; }
.lp-nav a.lnk {
  color: var(--body); text-decoration: none; font-size: .9rem; font-weight: 500;
  padding: .45rem .7rem; border-radius: 9px; font-family: var(--f-ui);
}
.lp-nav a.lnk:hover { color: var(--navy); background: var(--tintl); }
@media (max-width: 767px) { .lp-nav a.lnk.hide-sm { display: none; } }

/* ── ฮีโร่ ──────────────────────────────────────────────────────────────── */
.lp-hero { padding: 3.6rem 0 2.6rem; text-align: center; }
.lp-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: .35rem .9rem; font-size: .82rem; color: var(--body);
  box-shadow: var(--shadow-1); font-family: var(--f-ui);
}
.lp-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); flex: none; }
.lp-hero h1 {
  font-size: clamp(1.85rem, 4.4vw, 3.05rem); line-height: 1.22; margin: 1.1rem auto .9rem;
  max-width: 20ch; letter-spacing: -.02em;
}
.lp-hero h1 .accent {
  background: linear-gradient(100deg, var(--navy) 10%, var(--gold) 95%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lp-hero p.lead {
  max-width: 62ch; margin: 0 auto; font-size: 1.02rem; line-height: 1.85; color: var(--body);
}
.lp-cta { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; margin: 1.7rem 0 0; }
.lp-cta .btn { padding: .8rem 1.5rem; font-size: .95rem; border-radius: 12px; }

/* ── แถบตัวเลข ──────────────────────────────────────────────────────────── */
.lp-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: .85rem; margin-top: 2.6rem;
}
.lp-stat {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.15rem .9rem; text-align: center; box-shadow: var(--shadow-1);
}
.lp-stat b {
  display: block; font-family: var(--f-ui); font-size: 1.75rem; font-weight: 600;
  color: var(--navy); line-height: 1.1; letter-spacing: -.02em;
}
.lp-stat b sub { font-size: .82rem; font-weight: 500; color: var(--muted); vertical-align: baseline; }
.lp-stat span { display: block; font-size: .8rem; color: var(--muted); margin-top: .3rem; }

/* ── ส่วนเนื้อหา ────────────────────────────────────────────────────────── */
.lp-sec { padding: 3.4rem 0; }
.lp-sec.alt { background: var(--surface-2); border-block: 1px solid var(--line); }
.lp-head { text-align: center; max-width: 60ch; margin: 0 auto 2.1rem; }
.lp-head .eyebrow { color: var(--gold-ink); }
.lp-head h2 { font-size: clamp(1.35rem, 2.6vw, 1.85rem); margin: .5rem 0 .55rem; letter-spacing: -.015em; }
.lp-head p { margin: 0; color: var(--muted); font-size: .95rem; line-height: 1.8; }

.lp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.lp-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r);
  padding: 1.4rem; box-shadow: var(--shadow-1); transition: .18s;
}
.lp-card:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); border-color: color-mix(in srgb, var(--navy) 22%, transparent); }
.lp-card .ic {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center;
  background: var(--tintl); color: var(--navy); margin-bottom: .85rem;
}
.lp-card h3 { font-size: 1rem; margin-bottom: .4rem; }
.lp-card p { margin: 0; font-size: .88rem; line-height: 1.75; color: var(--body); }

/* ── รายการอ้างระเบียบ ──────────────────────────────────────────────────── */
.lp-rule { display: grid; grid-template-columns: 1.05fr 1fr; gap: 1.6rem; align-items: start; }
.lp-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .65rem; }
.lp-list li { display: flex; gap: .7rem; align-items: flex-start; font-size: .92rem; line-height: 1.7; }
.lp-list li .tick {
  width: 21px; height: 21px; border-radius: 50%; flex: none; margin-top: .18rem;
  background: var(--ok-bg); color: var(--ok); display: grid; place-items: center;
}
.lp-list li b { color: var(--ink); font-weight: 600; font-family: var(--f-ui); }

.lp-panel {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-2);
}
.lp-panel .ph {
  padding: .85rem 1.15rem; background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; font-family: var(--f-ui); font-weight: 600; font-size: .92rem;
  display: flex; align-items: center; gap: .5rem;
}
.lp-panel table { font-size: .85rem; }
.lp-panel th { padding: .55rem 1.15rem; }
.lp-panel td { padding: .55rem 1.15rem; }

/* ── ปิดท้าย ────────────────────────────────────────────────────────────── */
.lp-final {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff; padding: 3rem 0; text-align: center;
}
.lp-final h2 { color: #fff; font-size: clamp(1.3rem, 2.6vw, 1.8rem); }
.lp-final p { max-width: 54ch; margin: .7rem auto 1.5rem; color: rgba(255,255,255,.76); line-height: 1.8; }
.lp-final .btn-gold {
  background: linear-gradient(140deg, var(--gold), #A8863B); color: #1B1405; border: 0;
  box-shadow: 0 8px 22px rgba(0,0,0,.28);
}
.lp-final .btn-ghost { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.26); }
.lp-final .btn-ghost:hover { background: rgba(255,255,255,.18); color: #fff; }

.lp-foot { padding: 1.6rem 0; border-top: 1px solid var(--line); background: var(--surface); }
.lp-foot .lp-wrap { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; font-size: .82rem; color: var(--muted); }
.lp-foot .sp { flex: 1; }

@media (max-width: 991px) {
  .lp-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-rule { grid-template-columns: 1fr; }
  .lp-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .lp-grid { grid-template-columns: 1fr; }
  .lp-hero { padding: 2.4rem 0 1.8rem; }
  .lp-cta .btn { width: 100%; }
}