/* ==========================================================================
   YAZHI — LAYOUT
   Container system, section rhythm, grid/flex utilities. Mobile-first.
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: 1520px; }

.site-main { overflow-x: clip; }

section, .section {
    padding-block: var(--space-xl);
}
.section--tight { padding-block: var(--space-lg); }
.section--bg-ivory { background: var(--yazhi-ivory); }
.section--bg-white { background: var(--yazhi-white); }
.section--bg-burgundy {
    background: linear-gradient(155deg, var(--yazhi-burgundy) 0%, var(--yazhi-deep-burgundy) 100%);
}

.grid {
    display: grid;
    gap: var(--space-md);
}
.grid--2 { grid-template-columns: repeat(1, 1fr); }
.grid--3 { grid-template-columns: repeat(1, 1fr); }
.grid--4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 600px) {
    .grid--2 { grid-template-columns: repeat(2, 1fr); }
    .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
    .grid--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .grid--3 { grid-template-columns: repeat(3, 1fr); }
    .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.stack { display: flex; flex-direction: column; }
.stack > * + * { margin-top: var(--space-md); }

.divider-gold {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--yazhi-gold), transparent);
    margin-block: var(--space-md);
}

.two-col {
    display: grid;
    gap: var(--space-lg);
    align-items: center;
}
@media (min-width: 900px) {
    .two-col { grid-template-columns: 1fr 1fr; }
    .two-col--reverse { direction: rtl; }
    .two-col--reverse > * { direction: ltr; }
}

/* Certificate / seal frame — signature decorative device, used sparingly */
.certificate-frame {
    position: relative;
    border: 1px solid rgba(201, 162, 74, 0.55);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}
.certificate-frame::before,
.certificate-frame::after {
    content: "";
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2px solid var(--yazhi-gold);
    top: -1px;
}
.certificate-frame::before {
    left: -1px;
    border-right: none;
    border-bottom: none;
}
.certificate-frame::after {
    right: -1px;
    border-left: none;
    border-bottom: none;
}