/* mofan DigiSoft Ent. — portal stylesheet (mobile-first) */
:root {
  --navy: #0B1F3A;
  --navy-2: #16345f;
  --ink: #1c2733;
  --muted: #5b6b7c;
  --amber: #F5A623;
  --amber-d: #d98c0f;
  --blue: #4f7cc7;
  --bg: #f6f8fb;
  --card: #ffffff;
  --line: #e3e9f1;
  --ok: #2fbf71;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 31, 58, .06), 0 8px 24px rgba(11, 31, 58, .08);
  --maxw: 1120px;
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover, a:focus-visible { color: var(--amber-d); }
:focus-visible { outline: 3px solid rgba(245, 166, 35, .55); outline-offset: 2px; border-radius: 6px; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
.min-w0 { min-width: 0; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); }
.brand img { width: 38px; height: 38px; flex: 0 0 auto; }
.brand-name { font-weight: 700; font-size: 1.02rem; letter-spacing: .2px; line-height: 1.15; }
.brand-name small { display: block; font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: .4px; }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--line); background: #fff;
  border-radius: 10px; cursor: pointer;
}
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--navy); border-radius: 2px;
  position: relative; transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle .bars::before { position: absolute; top: -6px; }
.nav-toggle .bars::after { position: absolute; top: 6px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-6px) rotate(-45deg); }

.nav { position: absolute; top: var(--nav-h); left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line);
  display: none; box-shadow: var(--shadow); }
.nav.open { display: block; }
.nav ul { list-style: none; margin: 0; padding: 6px 16px 10px; }
.nav a { display: block; padding: 12px 8px; font-weight: 600; color: var(--navy); border-radius: 8px; }
.nav a:hover { background: var(--bg); color: var(--navy); }
.nav a.active { color: var(--amber-d); }
.nav .nav-cta { margin-top: 6px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 22px; border-radius: 12px; border: 1px solid transparent;
  font-weight: 700; font-size: .98rem; cursor: pointer; text-decoration: none; line-height: 1.2;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--amber); color: var(--navy); }
.btn-primary:hover { background: var(--amber-d); color: #fff; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-2); color: #fff; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: rgba(11, 31, 58, .06); color: var(--navy); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn-ghost-light:hover { border-color: #fff; color: #fff; }
.btn-sm { min-height: 40px; padding: 8px 16px; font-size: .9rem; }
.btn-block { display: flex; width: 100%; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(135deg, var(--navy-2) 0%, var(--navy) 55%, #081527 100%); color: #fff; overflow: hidden; }
.hero .container { padding-top: 44px; padding-bottom: 44px; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: .85rem; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: var(--amber); margin: 0 0 10px; }
.hero h1 { font-size: clamp(1.7rem, 5.4vw, 2.9rem); line-height: 1.15; margin: 0 0 14px; letter-spacing: -.01em; }
.hero p.lead { font-size: 1.05rem; color: #c6d4e8; margin: 0 0 22px; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-visual { margin: 0; }
.hero-visual .frame {
  border-radius: 16px; overflow: hidden; box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  border: 1px solid rgba(255, 255, 255, .12); background: #eef2f7;
}
.hero-visual img { width: 100%; display: block; }

/* ---------- sections ---------- */
.section { padding: 44px 0; }
.section-tight { padding: 30px 0; }
.section-head { margin-bottom: 24px; max-width: 64ch; }
.section-head h2 { font-size: clamp(1.4rem, 4vw, 1.9rem); margin: 0 0 8px; color: var(--navy); letter-spacing: -.01em; }
.section-head p { margin: 0; color: var(--muted); }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- app cards ---------- */
.app-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.app-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 20px; display: flex; flex-direction: column; gap: 14px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.app-card:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(11,31,58,.08), 0 16px 36px rgba(11,31,58,.14); }
.app-card-top { display: flex; align-items: center; gap: 14px; min-width: 0; }
.app-card-icon { width: 58px; height: 58px; flex: 0 0 auto; border-radius: 14px; background: var(--navy); }
.app-card h3 { margin: 0; font-size: 1.15rem; color: var(--navy); overflow-wrap: anywhere; }
.app-card .cat { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  display: inline-flex; align-items: center; min-height: 26px; padding: 2px 10px; border-radius: 999px;
  font-size: .78rem; font-weight: 700; background: #eef2f7; color: var(--navy); border: 1px solid var(--line);
}
.badge-amber { background: #fdf3df; color: var(--amber-d); border-color: #f3ddb0; }
.app-card p.desc { margin: 0; color: var(--muted); flex: 1 1 auto; overflow-wrap: anywhere; }
.app-card-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }

/* ---------- value props ---------- */
.values { display: grid; gap: 16px; grid-template-columns: 1fr; }
.value {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.value h3 { margin: 0 0 6px; font-size: 1.02rem; color: var(--navy); }
.value p { margin: 0; color: var(--muted); font-size: .96rem; }
.value .ico { font-size: 1.4rem; line-height: 1; margin-bottom: 10px; display: block; }

/* ---------- app detail ---------- */
.detail-hero { background: #fff; border-bottom: 1px solid var(--line); }
.detail-hero .container { padding: 34px 16px; }
.detail-head { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.detail-head .app-icon { width: 76px; height: 76px; border-radius: 18px; background: var(--navy); flex: 0 0 auto; }
.detail-head h1 { margin: 0; font-size: clamp(1.5rem, 4.5vw, 2.2rem); color: var(--navy); }
.detail-sub { margin: 6px 0 0; color: var(--muted); }
.detail-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; width: 100%; }
.crumbs { font-size: .9rem; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--amber-d); }

.feature-grid { display: grid; gap: 14px; grid-template-columns: 1fr; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.feature h3 { margin: 0 0 6px; font-size: 1rem; color: var(--navy); }
.feature p { margin: 0; color: var(--muted); font-size: .95rem; overflow-wrap: anywhere; }

.download-table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; }
.download-table th, .download-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.download-table tr:last-child td { border-bottom: none; }
.download-table th { background: var(--navy); color: #fff; font-size: .85rem; letter-spacing: .4px; text-transform: uppercase; }
.download-table .fname { font-weight: 600; color: var(--navy); overflow-wrap: anywhere; }
.download-table .fsize { color: var(--muted); white-space: nowrap; }
.dl-wrap { overflow-x: auto; border-radius: var(--radius); }

.preview-figure { margin: 0; }
.preview-figure .frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.preview-figure figcaption { margin-top: 10px; color: var(--muted); font-size: .9rem; text-align: center; }

.hist-table { width: 100%; border-collapse: collapse; }
.hist-table th, .hist-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.hist-table th { background: var(--navy); color: #fff; font-size: .85rem; letter-spacing: .4px; text-transform: uppercase; }
.hist-table td.notes { color: var(--muted); overflow-wrap: anywhere; }
.req-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.req-list li { padding-left: 30px; position: relative; }
.req-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--ok); font-weight: 800; }

/* ---------- about / contact ---------- */
.about-grid { display: grid; gap: 22px; grid-template-columns: 1fr; }
.about-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.about-card h2, .about-card h3 { color: var(--navy); margin-top: 0; }
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.contact-list li { display: flex; gap: 10px; align-items: baseline; }
.contact-list .k { min-width: 72px; color: var(--muted); font-size: .9rem; }
.contact-list a { color: var(--accent, var(--primary)); text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.overview-grid { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
@media (min-width: 801px) { .overview-grid { grid-template-columns: 1fr 2fr; } }
.shot-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 801px) { .overview-grid .shot-grid { grid-template-columns: 1fr 1fr; gap: 16px; } }
.shot { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 6px 18px rgba(3,10,25,.08); }
.shot .frame { background: #0B1F3A; }
.shot .frame img { display: block; width: 100%; height: auto; }
.shot figcaption { padding: 12px 16px; color: var(--muted); font-size: .92rem; }
.cta-band { background: linear-gradient(135deg, var(--navy-2), var(--navy)); color: #fff; border-radius: var(--radius);
  padding: 26px 22px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.cta-band h3 { margin: 0 0 6px; font-size: 1.25rem; }
.cta-band p { margin: 0; color: #c6d4e8; }

/* ---------- footer ---------- */
.site-footer { background: var(--navy); color: #b9c7dc; margin-top: 44px; }
.footer-grid { display: grid; gap: 20px; padding: 34px 0 24px; grid-template-columns: 1fr; }
.site-footer h4 { color: #fff; margin: 0 0 10px; font-size: .95rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.site-footer a { color: #b9c7dc; }
.site-footer a:hover { color: var(--amber); }
.footer-brand { display: flex; gap: 10px; align-items: center; }
.footer-brand img { width: 34px; height: 34px; }
.footer-brand b { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 14px 0; font-size: .85rem;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; }

/* ---------- utilities ---------- */
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mt-0 { margin-top: 0; }
.muted { color: var(--muted); }

/* ---------- ≥481px ---------- */
@media (min-width: 481px) {
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .values { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- ≥801px ---------- */
@media (min-width: 801px) {
  .container { padding: 0 24px; }
  .nav-toggle { display: none; }
  .nav {
    position: static; display: block; background: none; border: 0; box-shadow: none;
  }
  .nav ul { display: flex; gap: 4px; padding: 0; align-items: center; }
  .nav a { padding: 10px 14px; font-size: .95rem; }
  .nav .nav-cta { margin: 0 0 0 8px; }
  .nav .nav-cta .btn { min-height: 42px; }

  .hero .container { padding: 72px 24px; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 44px; }

  .section { padding: 64px 0; }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .values { grid-template-columns: repeat(3, 1fr); }
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1.2fr .8fr; align-items: start; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}