/* SmartBiz public marketing site */
:root {
  --sb-blue: #2563eb;
  --sb-blue-deep: #1d4ed8;
  --sb-green: #10b981;
  --sb-orange: #f97316;
  --sb-purple: #7c3aed;
  --sb-ink: #102033;
  --sb-muted: #5b6b7c;
  --sb-line: #dce6f2;
  --sb-soft: #f0f7ff;
  --sb-surface: #ffffff;
  --sb-radius: 16px;
  --sb-header-h: 72px;
  --sb-shadow: 0 12px 40px rgba(16, 32, 51, 0.08);
  --sb-font: "Segoe UI", "Noto Sans TC", "Noto Sans", system-ui, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body.sb-site {
  margin: 0;
  color: var(--sb-ink);
  background: var(--sb-surface);
  font-family: var(--sb-font);
  line-height: 1.6;
}

a { color: var(--sb-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; }

:focus-visible {
  outline: 3px solid var(--sb-blue);
  outline-offset: 3px;
}

.sb-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--sb-ink);
  color: #fff;
}
.sb-skip:focus {
  left: 1rem;
  top: 1rem;
}

/* —— Header —— */
.sb-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--sb-header-h);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--sb-line);
  backdrop-filter: blur(12px);
  transition: box-shadow 0.2s ease;
}
.sb-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(16, 32, 51, 0.08);
}

.sb-header__inner {
  width: min(1120px, calc(100% - 2rem));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sb-brand { display: flex; align-items: center; flex-shrink: 0; }
.sb-brand img { display: block; height: 36px; width: auto; }

.sb-nav-toggle {
  margin-left: auto;
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--sb-line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.sb-nav-toggle span {
  display: block;
  height: 2px;
  background: var(--sb-ink);
  border-radius: 2px;
}

.sb-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
}

.sb-nav__link,
.sb-nav__dd-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: #314156;
  font: inherit;
  font-weight: 650;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 0.4rem 0.35rem;
  border-radius: 8px;
}
.sb-nav__link:hover,
.sb-nav__dd-btn:hover,
.sb-nav__link[aria-current="page"] {
  color: var(--sb-blue);
  text-decoration: none;
}

.sb-nav__group { position: relative; }

.sb-dd {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 220px;
  padding: 0.5rem;
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: 12px;
  box-shadow: var(--sb-shadow);
  display: grid;
  gap: 0.15rem;
  z-index: 60;
}
.sb-dd[hidden] { display: none !important; }
.sb-dd a {
  display: block;
  padding: 0.55rem 0.75rem;
  color: var(--sb-ink);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
}
.sb-dd a:hover {
  background: var(--sb-soft);
  text-decoration: none;
  color: var(--sb-blue);
}

.sb-lang {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.sb-lang a {
  color: var(--sb-muted);
  padding: 0.2rem 0.35rem;
  border-radius: 6px;
}
.sb-lang a[aria-current="true"],
.sb-lang a:hover {
  color: var(--sb-blue);
  text-decoration: none;
  background: var(--sb-soft);
}

.sb-nav__cta {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

/* —— Buttons —— */
.sb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  line-height: 1.2;
}
.sb-btn--primary {
  background: linear-gradient(135deg, var(--sb-blue), #0ea5e9);
  color: #fff !important;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.28);
}
.sb-btn--primary:hover { filter: brightness(1.05); }
.sb-btn--ghost {
  background: #fff;
  border-color: #c9d7ea;
  color: var(--sb-ink) !important;
}
.sb-btn--ghost:hover { border-color: var(--sb-blue); color: var(--sb-blue) !important; }
.sb-btn--orange {
  background: linear-gradient(135deg, var(--sb-orange), #fb923c);
  color: #fff !important;
}
.sb-btn--link {
  background: transparent;
  color: var(--sb-blue) !important;
  padding-inline: 0.5rem;
}
.sb-btn--sm { padding: 0.45rem 0.9rem; font-size: 0.88rem; }

/* —— Layout —— */
.sb-main {
  padding-top: 0;
  min-height: calc(100vh - var(--sb-header-h) - 220px);
}

.sb-wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.sb-section {
  padding: 4rem 0;
}
.sb-section--soft { background: var(--sb-soft); }
.sb-section--ink {
  background: linear-gradient(160deg, #0f2744 0%, #12325a 55%, #0b1c33 100%);
  color: #e8eef8;
}
.sb-section--ink a { color: #93c5fd; }

.sb-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sb-blue);
  margin-bottom: 0.6rem;
}
.sb-section--ink .sb-kicker { color: #7dd3fc; }

.sb-h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.sb-h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.2;
}
.sb-lead {
  margin: 0;
  color: var(--sb-muted);
  font-size: 1.05rem;
  max-width: 42rem;
}
.sb-section--ink .sb-lead { color: #b8c7db; }

.sb-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* —— Hero —— */
.sb-hero {
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(1200px 420px at 12% -10%, rgba(37, 99, 235, 0.14), transparent 60%),
    radial-gradient(900px 380px at 90% 10%, rgba(16, 185, 129, 0.12), transparent 55%),
    linear-gradient(180deg, #f7fbff 0%, #fff 70%);
}
.sb-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 2.5rem;
  align-items: center;
}
.sb-hero__visual { min-height: 280px; }

/* —— Product mock —— */
.sb-mock {
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: 20px;
  box-shadow: var(--sb-shadow);
  overflow: hidden;
}
.sb-mock__bar {
  display: flex;
  gap: 6px;
  padding: 0.75rem 1rem;
  background: #f4f7fb;
  border-bottom: 1px solid var(--sb-line);
}
.sb-mock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}
.sb-mock__dot:nth-child(1) { background: #f97316; }
.sb-mock__dot:nth-child(2) { background: #10b981; }
.sb-mock__dot:nth-child(3) { background: #2563eb; }
.sb-mock__body {
  display: grid;
  grid-template-columns: 72px 1fr;
  min-height: 240px;
}
.sb-mock__side {
  background: linear-gradient(180deg, #1e3a5f, #102033);
  padding: 0.75rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.sb-mock__nav {
  height: 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.18);
}
.sb-mock__nav.is-active { background: rgba(37, 99, 235, 0.85); width: 100%; }
.sb-mock__main { padding: 1rem; display: grid; gap: 0.75rem; }
.sb-mock__row {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, #e8eef8, #f5f8fc);
}
.sb-mock__row--lg { height: 56px; border-radius: 12px; background: var(--sb-soft); }
.sb-mock__chip {
  display: inline-block;
  width: 64px;
  height: 22px;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.18);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

/* —— Cards —— */
.sb-grid {
  display: grid;
  gap: 1.25rem;
}
.sb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.sb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.sb-card {
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: var(--sb-radius);
  padding: 1.35rem;
  box-shadow: 0 4px 16px rgba(16, 32, 51, 0.04);
  height: 100%;
}
.sb-card:hover { border-color: #b9cdf0; }
.sb-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--sb-soft);
  color: var(--sb-blue);
  font-size: 1.2rem;
  margin-bottom: 0.85rem;
}
.sb-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}
.sb-card p {
  margin: 0;
  color: var(--sb-muted);
  font-size: 0.95rem;
}

.sb-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--sb-line);
}
.sb-trust__item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 650;
  font-size: 0.92rem;
  color: #314156;
}
.sb-trust__item i { color: var(--sb-green); }

/* —— Feature detail —— */
.sb-feature-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.7fr);
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--sb-line);
}
.sb-feature-block:nth-child(even) { direction: rtl; }
.sb-feature-block:nth-child(even) > * { direction: ltr; }
.sb-feature-block:last-child { border-bottom: 0; }

/* —— Workflow —— */
.sb-workflow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.sb-workflow details {
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
}
.sb-workflow summary {
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}
.sb-workflow summary::-webkit-details-marker { display: none; }
.sb-workflow summary::after {
  content: "+";
  float: right;
  color: var(--sb-blue);
  font-weight: 800;
}
.sb-workflow details[open] summary::after { content: "–"; }
.sb-workflow p {
  margin: 0.6rem 0 0;
  color: var(--sb-muted);
  font-size: 0.92rem;
}
.sb-workflow__num {
  display: inline-flex;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--sb-soft);
  color: var(--sb-blue);
  font-size: 0.75rem;
  font-weight: 800;
  margin-right: 0.35rem;
}

/* —— Status badge —— */
.sb-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  border: 1px solid transparent;
}
.sb-badge--available {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border-color: rgba(16, 185, 129, 0.28);
}
.sb-badge--planned {
  background: rgba(249, 115, 22, 0.12);
  color: #c2410c;
  border-color: rgba(249, 115, 22, 0.28);
}
.sb-badge--addon {
  background: rgba(124, 58, 237, 0.1);
  color: #6d28d9;
  border-color: rgba(124, 58, 237, 0.25);
}

/* —— Pricing —— */
.sb-price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.sb-price-card {
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: 18px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.sb-price-card h3 { margin: 0; font-size: 1.25rem; }
.sb-price-card__amt {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.sb-price-card__muted {
  color: var(--sb-muted);
  font-size: 0.95rem;
  flex: 1;
}
.sb-note {
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  border-radius: 12px;
  background: var(--sb-soft);
  border: 1px solid #cfe0f7;
  color: #314156;
}

/* —— Forms —— */
.sb-form {
  max-width: 640px;
  display: grid;
  gap: 1rem;
}
.sb-field label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}
.sb-field input,
.sb-field select,
.sb-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid #c9d7ea;
  border-radius: 12px;
  font: inherit;
  background: #fff;
}
.sb-field textarea { min-height: 120px; resize: vertical; }
.sb-field input:focus,
.sb-field select:focus,
.sb-field textarea:focus {
  border-color: var(--sb-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  outline: none;
}
.sb-check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.92rem;
}
.sb-hp {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.sb-alert {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-weight: 600;
}
.sb-alert--ok {
  background: rgba(16, 185, 129, 0.12);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.sb-alert--err {
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

/* —— FAQ —— */
.sb-faq details {
  border-bottom: 1px solid var(--sb-line);
  padding: 1rem 0;
}
.sb-faq summary {
  cursor: pointer;
  font-weight: 750;
  font-size: 1.05rem;
}
.sb-faq p {
  margin: 0.65rem 0 0;
  color: var(--sb-muted);
}

/* —— Status —— */
.sb-status-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  border: 1px solid var(--sb-line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}
.sb-status-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--sb-line);
}
.sb-status-list li:last-child { border-bottom: 0; }

/* —— Footer —— */
.sb-footer {
  background: #0f1c2c;
  color: #c9d4e3;
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}
.sb-footer__grid {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}
.sb-footer h2 {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #93a4b8;
}
.sb-footer ul { list-style: none; margin: 0; padding: 0; }
.sb-footer li { margin: 0.35rem 0; }
.sb-footer a { color: #e8eef8; font-weight: 600; }
.sb-footer a:hover { color: #93c5fd; text-decoration: none; }
.sb-footer__bottom {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.9rem;
}
.sb-footer__lang a { color: #93a4b8; }

/* —— Cookie —— */
.sb-cookie {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 80;
  max-width: 520px;
  margin-left: auto;
}
.sb-cookie[hidden] { display: none !important; }
.sb-cookie__inner {
  background: #fff;
  border: 1px solid var(--sb-line);
  border-radius: 18px;
  box-shadow: var(--sb-shadow);
  padding: 1.25rem;
}
.sb-cookie__title {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}
.sb-cookie__body {
  margin: 0 0 1rem;
  color: var(--sb-muted);
  font-size: 0.92rem;
}
.sb-cookie__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.sb-cookie__custom {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--sb-line);
}
.sb-cookie__links {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
}

/* —— Legal —— */
.sb-prose {
  max-width: 720px;
}
.sb-prose p { color: var(--sb-muted); }
.sb-prose .sb-note { color: #314156; }

/* —— Responsive —— */
@media (max-width: 960px) {
  .sb-hero__grid,
  .sb-feature-block,
  .sb-feature-block:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  .sb-grid--3,
  .sb-grid--4,
  .sb-price-grid,
  .sb-workflow,
  .sb-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .sb-nav-toggle { display: inline-flex; }
  .sb-nav {
    display: none;
    position: absolute;
    top: var(--sb-header-h);
    left: 0;
    right: 0;
    margin: 0;
    padding: 1rem;
    background: #fff;
    border-bottom: 1px solid var(--sb-line);
    box-shadow: var(--sb-shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }
  .sb-nav.is-open { display: flex; }
  .sb-nav__group { width: 100%; }
  .sb-dd {
    position: static;
    box-shadow: none;
    border: 0;
    padding: 0.25rem 0 0.25rem 0.75rem;
    min-width: 0;
  }
  .sb-nav__cta {
    flex-direction: column;
    align-items: stretch;
    margin-top: 0.5rem;
  }
  .sb-grid--2,
  .sb-grid--3,
  .sb-grid--4,
  .sb-price-grid,
  .sb-workflow,
  .sb-footer__grid {
    grid-template-columns: 1fr;
  }
  .sb-mock__body { grid-template-columns: 56px 1fr; }
}