/* ==========================================================================
   ЗАГВАР 5 — «ГЭРЭЛ» (шинэчилсэн)
   Бүтэц нь index-zagvar-3.html-тэй ижил: topbar → mega menu (плантай) →
   hero → 6 карт → давуу тал → тоо → үйлдвэр → видео → CTA → footer.
   Загвар нь brand book дээр суурилсан орчин үеийн хувилбар.
   ========================================================================== */

body { background: var(--silver); color: var(--evergreen); font-size: 16px; line-height: 1.7; }

/* --- Дээд мөр ----------------------------------------------------------- */
.b-top { background: var(--evergreen); color: rgba(255,255,255,.78); }
.b-top .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 40px; }
.b-top-tags { display: flex; gap: 22px; }
.b-top a {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-display);
    font-size: 11.5px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
    color: rgba(255,255,255,.8);
    transition: color var(--t);
}
.b-top a:hover { color: var(--faded); }
.b-top .ic { width: 14px; height: 14px; fill: var(--faded); flex: 0 0 auto; }
@media (max-width: 900px) { .b-top-tags { display: none; } .b-top .shell { justify-content: center; } }

/* --- Толгой ------------------------------------------------------------- */
.b-head {
    position: sticky; top: 0; z-index: 80;
    background: rgba(234,237,236,.9);
    backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}
.b-head .shell { display: flex; align-items: center; gap: 24px; height: 78px; }
.b-logo img { height: 40px; width: auto; }
.b-cta-head { flex: 0 0 auto; }
.b-burger { display: none; background: none; border: 0; color: var(--evergreen); padding: 6px; margin-left: auto; }
@media (max-width: 1160px) {
    .b-nav, .b-cta-head { display: none; }
    .b-burger { display: block; }
    .b-head .shell { height: 64px; }
    .b-logo img { height: 32px; }
}

/* --- Цэс + mega ---------------------------------------------------------- */
.b-nav { margin-left: auto; }
.b-nav-list { display: flex; align-items: center; gap: 26px; }
.b-nav-list > li { position: relative; }
.b-nav-list > li > a {
    display: inline-flex; align-items: center; gap: 7px;
    font-family: var(--font-display);
    font-size: 12px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
    color: var(--evergreen-70);
    padding: 28px 0;
    transition: color var(--t);
}
.b-nav-list > li > a:hover, .b-nav-list > li:hover > a { color: var(--evergreen); }
.b-nav-list .chev { width: 9px; height: 9px; fill: none; stroke: currentColor; stroke-width: 2.2; }

.b-sub, .b-mega {
    position: absolute;
    top: 100%; left: -18px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 20px 48px rgba(3,58,44,.12);
    opacity: 0; visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
    z-index: 90;
}
.b-nav-list > li:hover .b-sub,
.b-nav-list > li:hover .b-mega,
.b-nav-list > li:focus-within .b-sub,
.b-nav-list > li:focus-within .b-mega { opacity: 1; visibility: visible; transform: translateY(0); }

.b-sub { min-width: 216px; padding: 10px 0; }
.b-sub a {
    display: block; padding: 10px 22px;
    font-size: 13.5px; color: var(--evergreen-70);
    transition: background-color var(--t), color var(--t), padding-left var(--t);
}
.b-sub a:hover { background: var(--silver); color: var(--evergreen); padding-left: 26px; }

/* Mega — хэмжээний холбоос + барилгын план */
.b-mega { display: grid; grid-template-columns: 190px 210px; gap: 24px; padding: 22px; width: max-content; }
.b-mega-links li + li { margin-top: 4px; }
.b-mega-links a {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 14px;
    font-family: var(--font-display);
    font-size: 13px; font-weight: 500;
    color: var(--evergreen);
    border: 1px solid var(--line);
    transition: border-color var(--t), background-color var(--t);
}
.b-mega-links a::after { content: '→'; color: var(--faded); }
.b-mega-links a:hover { border-color: var(--faded); background: var(--faded-16); }
.b-plan { margin: 0; }
.b-plan svg { width: 100%; height: auto; display: block; background: var(--silver); }
.b-plan figcaption {
    margin-top: 10px;
    display: flex; align-items: center; gap: 8px;
    font-family: var(--font-display);
    font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
    color: var(--evergreen-45);
}
.b-plan figcaption .ic { width: 13px; height: 13px; fill: var(--faded); }

/* --- Хийл --------------------------------------------------------------- */
.b-hero { padding: 62px 0 0; }
.b-hero-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
@media (max-width: 980px) { .b-hero-inner { grid-template-columns: 1fr; gap: 38px; } }

.b-hero h1 {
    font-size: clamp(38px, 5.4vw, 72px);
    letter-spacing: -.025em; line-height: 1.02;
    margin: 20px 0 18px;
}
.b-hero h1 .hl { color: var(--faded); }
.b-hero .lead { max-width: 46ch; color: var(--evergreen-70); font-size: 16.5px; }
.b-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.b-hero-mini { display: flex; flex-wrap: wrap; gap: 0; margin-top: 40px; border-top: 1px solid var(--line); }
.b-hero-mini > div { flex: 1 1 110px; padding: 18px 16px 0 0; }
.b-hero-mini strong {
    display: block; font-family: var(--font-display);
    font-size: 28px; font-weight: 700; line-height: 1; color: var(--evergreen);
}
.b-hero-mini span { display: block; margin-top: 7px; font-size: 12.5px; color: var(--evergreen-70); }

.b-hero-visual { position: relative; }
.b-hero-photo { aspect-ratio: 4 / 5; background: var(--forest); overflow: hidden; }
.b-hero-photo img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 980px) { .b-hero-photo { aspect-ratio: 16 / 11; } }
.b-hero-badge {
    position: absolute; left: 0; bottom: 0;
    display: inline-flex; align-items: center; gap: 9px;
    background: var(--faded); color: var(--evergreen);
    font-family: var(--font-display);
    font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    padding: 13px 18px;
}
.b-hero-badge .ic { width: 15px; height: 15px; fill: var(--evergreen); }

/* --- Хэсэг -------------------------------------------------------------- */
.b-sec { padding: 96px 0; }
.b-sec--white { background: var(--white); }
.b-sec--green { background: var(--evergreen); color: var(--white); }
@media (max-width: 780px) { .b-sec { padding: 66px 0; } }

.b-h { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 44px; }
.b-h h2 { font-size: clamp(26px, 3.6vw, 46px); letter-spacing: -.018em; margin-top: 14px; }
.b-h p { max-width: 42ch; color: var(--evergreen-70); }
.b-sec--green .b-h p { color: rgba(255,255,255,.72); }
.b-h--center { flex-direction: column; align-items: center; text-align: center; }
.b-h--center .eyebrow { justify-content: center; }

/* --- Ангиллын карт ------------------------------------------------------ */
.b-cats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 980px) { .b-cats { grid-template-columns: repeat(2, 1fr); gap: 18px; } }
@media (max-width: 600px)  { .b-cats { grid-template-columns: 1fr; } }

.b-cat {
    display: flex; flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    overflow: hidden;
    transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.b-cat:hover { border-color: var(--faded); transform: translateY(-4px); box-shadow: 0 18px 40px rgba(3,58,44,.10); }
.b-cat-art { position: relative; aspect-ratio: 4 / 3; background: var(--forest); overflow: hidden; }
.b-cat-art img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.b-cat:hover .b-cat-art img { transform: scale(1.06); }
.b-cat-size {
    position: absolute; right: 0; top: 0;
    background: var(--evergreen); color: var(--faded);
    font-family: var(--font-display);
    font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
    padding: 9px 13px;
}
.b-cat-body { padding: 22px 20px 24px; display: flex; flex-direction: column; flex: 1; }
.b-cat-body h3 { font-size: 17px; margin-bottom: 9px; }
.b-cat-body p { font-size: 14px; color: var(--evergreen-70); margin-bottom: 16px; }
.b-cat-more {
    margin-top: auto;
    font-family: var(--font-display);
    font-size: 11.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
    color: var(--evergreen);
    display: inline-flex; align-items: center; gap: 8px;
}
.b-cat:hover .b-cat-more { color: var(--faded); }

/* --- Давуу тал ---------------------------------------------------------- */
.b-adv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
@media (max-width: 780px) { .b-adv { grid-template-columns: 1fr; } }
.b-adv-item { display: flex; gap: 20px; padding: 28px 26px; background: var(--silver); border: 1px solid var(--line); }
.b-sec--white .b-adv-item { background: var(--silver); }
.b-adv-item .ico { flex: 0 0 auto; width: 42px; height: 36px; background: var(--evergreen); clip-path: polygon(50% 0%, 100% 44%, 100% 100%, 0% 100%, 0% 44%); }
.b-adv-item:nth-child(2n) .ico { background: var(--olive); }
.b-adv-item h3 { font-size: 16.5px; margin-bottom: 8px; }
.b-adv-item p { font-size: 14.5px; color: var(--evergreen-70); }

/* --- Тоон үзүүлэлт ------------------------------------------------------ */
.b-stats { display: grid; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 780px) { .b-stats { grid-template-columns: repeat(2, 1fr); } }
.b-stats li { padding: 34px 22px 34px 0; }
.b-stats li + li { border-left: 1px solid var(--line-light); padding-left: 26px; }
@media (max-width: 780px) { .b-stats li:nth-child(3) { border-left: 0; padding-left: 0; } }
.b-stats b {
    display: block; font-family: var(--font-display);
    font-size: clamp(30px, 4vw, 52px); font-weight: 700; line-height: 1; color: var(--faded);
}
.b-stats span { display: block; margin-top: 11px; font-size: 13px; color: rgba(255,255,255,.72); }

/* --- Үйлдвэр ------------------------------------------------------------ */
.b-split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .b-split { grid-template-columns: 1fr; gap: 32px; } }
.b-split-art { aspect-ratio: 1 / 1; background: var(--forest); overflow: hidden; }
.b-split-art img { width: 100%; height: 100%; object-fit: cover; }
.b-list { display: grid; margin-top: 26px; border-top: 1px solid var(--line); }
.b-list li { display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--evergreen-70); }
.b-list li::before { content: ''; width: 15px; height: 12px; flex: 0 0 auto; background: var(--olive); clip-path: polygon(50% 0%, 100% 46%, 100% 100%, 0% 100%, 0% 46%); }

/* --- Видео -------------------------------------------------------------- */
.b-video-wrap {
    position: relative; aspect-ratio: 16 / 9;
    background: var(--evergreen); overflow: hidden; cursor: pointer;
}
.b-video-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease), opacity var(--t); }
.b-video-wrap:hover img { transform: scale(1.03); opacity: .88; }
.b-video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.b-play {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
    width: 84px; height: 70px;
    background: var(--faded); border: 0; padding: 0;
    clip-path: polygon(50% 0%, 100% 42%, 100% 100%, 0% 100%, 0% 42%);
    display: grid; place-items: center;
    transition: background-color var(--t), transform var(--t);
}
.b-play:hover { background: var(--white); transform: translate(-50%,-50%) scale(1.06); }
.b-play svg { width: 20px; height: 20px; fill: var(--evergreen); margin-top: 10px; }

/* --- CTA ---------------------------------------------------------------- */
.b-cta { background: var(--faded); color: var(--evergreen); }
.b-cta .shell { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center; padding: 70px 24px; }
@media (max-width: 820px) { .b-cta .shell { grid-template-columns: 1fr; padding: 52px 18px; } }
.b-cta h2 { font-size: clamp(26px, 3.6vw, 44px); letter-spacing: -.018em; margin-bottom: 12px; }
.b-cta p { color: rgba(3,58,44,.78); }
.b-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
@media (max-width: 820px) { .b-cta-actions { justify-content: flex-start; } }

/* --- Хөл --------------------------------------------------------------- */
.b-foot { background: var(--white); padding: 64px 0 0; border-top: 1px solid var(--line); }
.b-foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px) { .b-foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 560px) { .b-foot-grid { grid-template-columns: 1fr; } }
.b-foot img { height: 40px; width: auto; margin-bottom: 16px; }
.b-foot p, .b-foot a, .b-foot li { color: var(--evergreen-70); font-size: 14px; }
.b-foot a:hover { color: var(--evergreen); }
.b-foot h4 { font-family: var(--font-display); font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--evergreen); margin-bottom: 16px; }
.b-foot li + li { margin-top: 10px; }
.b-foot-bottom { margin-top: 50px; padding: 20px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--evergreen-45); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* --- Гар утасны цэс ----------------------------------------------------- */
.b-drawer {
    position: fixed; inset: 0 0 0 auto; width: min(88vw, 360px); z-index: 100;
    background: var(--white); border-left: 1px solid var(--line);
    transform: translateX(100%); transition: transform var(--t);
    overflow-y: auto; padding: 20px 22px 40px;
}
.b-drawer.is-open { transform: translateX(0); }
.b-drawer-head { display: flex; align-items: center; justify-content: space-between; height: 44px; margin-bottom: 14px; }
.b-drawer-head button { background: none; border: 0; color: var(--evergreen); padding: 4px; }
.b-drawer a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); font-family: var(--font-display); font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--evergreen); }
.b-scrim { position: fixed; inset: 0; background: rgba(3,58,44,.45); opacity: 0; visibility: hidden; transition: opacity var(--t), visibility var(--t); z-index: 95; }
.b-scrim.is-open { opacity: 1; visibility: visible; }