@font-face {
  font-family: "SRevise Sans";
  src: url("/fonts/NotoSansTC-VariableFont_wght.ttf") format("truetype");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --home-nav-surface: rgba(250, 250, 246, 0.94);
  --home-nav-ink: #173d34;
  --home-nav-muted: #586d65;
  --home-nav-line: rgba(23, 61, 52, 0.12);
  --home-nav-hover: rgba(40, 116, 95, 0.09);
  --home-green: #28745f;
  --home-green-dark: #1f604f;
  --home-sage: #e4ede6;
  --home-ivory: #fafaf6;
  --home-muted: #60736b;
  --home-warm: #b44f2a;
}

body {
  background: var(--home-ivory);
  color: var(--home-nav-ink);
  font-family: "SRevise Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#mainNav,
#mainNav.navbar-shrink {
  border-bottom: 1px solid var(--home-nav-line);
  background: var(--home-nav-surface);
  box-shadow: 0 0.55rem 1.7rem rgba(23, 61, 52, 0.08);
  font-family: "SRevise Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: 0.65rem 0;
  backdrop-filter: blur(1rem) saturate(130%);
}

#mainNav .container {
  width: min(100% - 2rem, 76rem);
  max-width: 76rem;
}

#mainNav .navbar-brand,
#mainNav.navbar-shrink .navbar-brand {
  color: var(--home-nav-ink);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 850;
  letter-spacing: -0.015em;
}

#mainNav .navbar-brand:hover,
#mainNav .navbar-brand:focus,
#mainNav.navbar-shrink .navbar-brand:hover,
#mainNav.navbar-shrink .navbar-brand:focus {
  color: #28745f;
}

#mainNav .navbar-nav {
  align-items: center;
  gap: 0.1rem;
}

#mainNav .navbar-nav > li > .nav-link,
#mainNav .navbar-nav > li > .nav-link:focus,
#mainNav.navbar-shrink .navbar-nav > li > .nav-link,
#mainNav.navbar-shrink .navbar-nav > li > .nav-link:focus {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  border-radius: 0.65rem;
  color: var(--home-nav-muted);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: 0.015em;
  line-height: 1.3;
  padding: 0.52rem 0.68rem;
  text-transform: none;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

#mainNav .navbar-nav > li > a.nav-link:hover,
#mainNav .navbar-nav > li > a.nav-link:focus-visible,
#mainNav.navbar-shrink .navbar-nav > li > a.nav-link:hover,
#mainNav.navbar-shrink .navbar-nav > li > a.nav-link:focus-visible {
  background: var(--home-nav-hover);
  color: var(--home-nav-ink);
  transform: translateY(-0.0625rem);
}

#mainNav .navbar-nav > li > a.nav-link:focus-visible {
  outline: 0.16rem solid rgba(40, 116, 95, 0.24);
  outline-offset: 0.1rem;
}

#mainNav .navbar-nav > li > .stock-item.disabled {
  background: rgba(23, 61, 52, 0.045);
  color: #84938e;
  cursor: not-allowed;
  opacity: 1;
}

#mainNav .stock-item.disabled .fa-lock {
  margin-right: 0.38rem !important;
  color: #93a19c;
  font-size: 0.68rem;
  line-height: 1;
}

#mainNav .navbar-toggler {
  border: 1px solid var(--home-nav-line);
  border-radius: 0.65rem;
  color: var(--home-nav-ink);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.02em;
}

header.masthead {
  background:
    url("/images/bg-pattern.png"),
    radial-gradient(circle at 78% 14%, rgba(180, 79, 42, 0.25), transparent 30rem),
    radial-gradient(circle at 16% 82%, rgba(73, 146, 117, 0.2), transparent 34rem),
    linear-gradient(135deg, #102d27 0%, #19483c 45%, #2d725c 100%);
}

section.download {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.66), transparent 28rem),
    linear-gradient(145deg, #edf3ee 0%, #d8e6dc 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.68);
  color: var(--home-nav-ink);
}

section.download::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("/images/bg-pattern.png");
  background-size: 10rem 15rem;
  opacity: 0.035;
  pointer-events: none;
}

section.download h2 {
  color: var(--home-nav-ink);
  font-family: inherit;
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.12;
  text-wrap: balance;
}

section.download p {
  margin: 1rem 0 1.65rem;
  color: var(--home-muted);
  font-size: 1.05rem;
  font-weight: 550;
}

section.download .btn,
section.download .btn:focus {
  border-color: var(--home-green);
  background: var(--home-green);
  box-shadow: 0 0.75rem 1.7rem rgba(31, 96, 79, 0.2);
  color: #fff;
  font-family: inherit;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-transform: none;
  transition: background-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

section.download .btn:hover,
section.download .btn:focus-visible {
  border-color: var(--home-green-dark);
  background: var(--home-green-dark);
  box-shadow: 0 0.9rem 2rem rgba(31, 96, 79, 0.26);
  color: #fff;
  transform: translateY(-0.1rem);
}

section.features {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 10%, rgba(40, 116, 95, 0.075), transparent 30rem),
    radial-gradient(circle at 88% 82%, rgba(180, 79, 42, 0.045), transparent 24rem),
    linear-gradient(180deg, #fffdf8 0%, #f4f7f2 100%);
  color: var(--home-nav-ink);
}

section.features .section-heading h2 {
  color: var(--home-nav-ink);
  font-family: inherit;
  font-size: clamp(2.1rem, 4vw, 3.45rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  text-wrap: balance;
}

section.features .section-heading hr {
  width: 4.5rem;
  border: 0;
  border-top: 0.22rem solid var(--home-warm);
  margin: 1.2rem auto 0;
  opacity: 0.9;
}

section.features .feature-item i {
  background: linear-gradient(135deg, var(--home-green-dark), #4e9278);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

section.features .feature-item h3 {
  color: var(--home-nav-ink);
  font-family: inherit;
  font-weight: 750;
  letter-spacing: -0.02em;
}

section.features .feature-item p.text-muted {
  color: var(--home-muted) !important;
  font-size: 0.98rem;
  line-height: 1.75;
}

section.cta .overlay {
  background:
    linear-gradient(
      90deg,
      rgba(14, 17, 16, 0.84) 0%,
      rgba(14, 17, 16, 0.62) 34%,
      rgba(14, 17, 16, 0.18) 70%,
      rgba(14, 17, 16, 0.04) 100%
    );
}

section.cta .cta-content h2 {
  font-family: "SRevise Sans", system-ui, sans-serif;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.02;
  text-wrap: balance;
}

section.cta .btn,
section.cta .btn:focus {
  border-color: var(--home-warm);
  background: var(--home-warm);
  box-shadow: 0 0.75rem 1.8rem rgba(95, 33, 16, 0.28);
  color: #fff;
  font-family: "SRevise Sans", system-ui, sans-serif;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-transform: none;
  transition: background-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

section.cta .btn:hover,
section.cta .btn:focus-visible {
  border-color: #943d20;
  background: #943d20;
  box-shadow: 0 0.9rem 2rem rgba(95, 33, 16, 0.34);
  color: #fff;
  transform: translateY(-0.1rem);
}

section.contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.78), transparent 30rem),
    radial-gradient(circle at 86% 82%, rgba(40, 116, 95, 0.13), transparent 28rem),
    linear-gradient(145deg, #f9f5ea 0%, #e4ece5 100%);
  color: var(--home-nav-ink);
}

section.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("/images/bg-pattern.png");
  background-position: right top;
  background-size: 8rem 12rem;
  opacity: 0.025;
  pointer-events: none;
}

section.contact > .container {
  position: relative;
  z-index: 1;
}

section.contact h2 {
  color: var(--home-nav-ink);
  font-family: "SRevise Sans", system-ui, sans-serif;
  font-size: clamp(2.35rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

section.contact h2::after {
  content: "";
  display: block;
  width: 4.5rem;
  height: 0.22rem;
  margin: 1rem auto 0;
  border-radius: 999px;
  background: var(--home-warm);
}

section.contact > .container > p.text-muted {
  color: var(--home-muted) !important;
  font-family: "SRevise Sans", system-ui, sans-serif;
  font-style: normal !important;
  font-weight: 550;
}

section.contact .card {
  overflow: hidden;
  border: 1px solid rgba(23, 61, 52, 0.11) !important;
  border-radius: 1.25rem !important;
  background: rgba(255, 255, 252, 0.9);
  box-shadow: 0 1.1rem 2.8rem rgba(23, 61, 52, 0.11) !important;
  transition: box-shadow 200ms ease, transform 200ms ease;
}

section.contact .card:hover {
  box-shadow: 0 1.35rem 3.2rem rgba(23, 61, 52, 0.15) !important;
  transform: translateY(-0.2rem);
}

section.contact .card-body {
  background: linear-gradient(180deg, rgba(255, 255, 252, 0.94), rgba(247, 249, 244, 0.98));
}

section.contact .card h5 {
  color: var(--home-nav-ink);
  font-family: "SRevise Sans", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 750;
}

section.contact .card p.text-muted {
  color: var(--home-muted) !important;
  font-family: "SRevise Sans", system-ui, sans-serif;
}

#contact .social-link {
  border-color: rgba(40, 116, 95, 0.2);
  background: rgba(40, 116, 95, 0.07);
  color: var(--home-green-dark);
}

#contact .social-link:hover,
#contact .social-link:focus-visible {
  border-color: var(--home-green);
  background: var(--home-green);
  color: #fff;
  transform: translateY(-0.08rem);
}

@media (max-width: 61.99rem) {
  #mainNav .navbar-collapse {
    margin-top: 0.65rem;
    border-top: 1px solid var(--home-nav-line);
    padding-top: 0.55rem;
  }

  #mainNav .navbar-nav {
    align-items: stretch;
    gap: 0.15rem;
  }

  #mainNav .navbar-nav > li > .nav-link,
  #mainNav .navbar-nav > li > .nav-link:focus {
    display: flex;
    width: 100%;
    padding-inline: 0.75rem;
  }
}