body {
font-family: var(--font-body);
font-weight: 300;
line-height: 1.7;
color: var(--charcoal);
background: var(--off-white);
letter-spacing: 0.01em;
}
.container {
max-width: var(--container-max);
margin: 0 auto;
padding: 0 var(--space-5);
}
@media (min-width: 768px) {
.container {
padding: 0 var(--space-7);
}
}
h1,
h2,
h3,
h4 {
font-family: var(--font-display);
font-weight: 300;
color: var(--navy-deep);
letter-spacing: -0.01em;
}
h1 {
font-size: clamp(3rem, 7vw, 5.5rem);
line-height: 1.05;
letter-spacing: -0.02em;
}
h2 {
font-size: clamp(2rem, 4vw, 3rem);
line-height: 1.15;
font-weight: 400;
}
h3 {
font-size: clamp(1.5rem, 2.5vw, 2rem);
line-height: 1.2;
font-weight: 500;
}
h4 {
font-size: 1.5rem;
line-height: 1.3;
font-weight: 500;
}
p {
font-size: 1rem;
line-height: 1.7;
}
.eyebrow {
display: inline-block;
font-family: var(--font-mono);
font-size: 13px;
font-weight: 500;
letter-spacing: 0.3em;
text-transform: uppercase;
color: var(--navy);
}
.eyebrow--light {
color: rgba(255, 255, 255, 0.7);
}
em {
font-style: italic;
color: var(--navy);
font-family: var(--font-display);
}
.section {
padding: var(--space-9) 0;
}
@media (min-width: 768px) {
.section {
padding: var(--space-10) 0;
}
}
.section--navy {
background: var(--navy-deep);
color: var(--white);
}
.section--navy h1,
.section--navy h2,
.section--navy h3 {
color: var(--white);
}
.section--navy em {
color: var(--white);
font-style: italic;
opacity: 0.85;
}
.section--pale {
background: var(--navy-pale);
}
.section--off-white {
background: var(--off-white);
}
.text-center {
text-align: center;
}
.max-w-prose {
max-width: 720px;
}
.mx-auto {
margin-left: auto;
margin-right: auto;
}
.skip-link {
position: absolute;
top: -40px;
left: 0;
background: var(--navy-deep);
color: var(--white);
padding: var(--space-3) var(--space-5);
z-index: 1000;
transition: top var(--transition-base);
}
.skip-link:focus {
top: 0;
}
::selection {
background: var(--navy);
color: var(--white);
}
/* Language-twin visibility: hide inactive language inline content.
Generator emits per-product content as ……
pairs; i18n.js sets so only the matching twin shows. */
html[lang="vi"] [lang="en"],
html[lang="en"] [lang="vi"] {
display: none !important;
}