/* ==========================================================================
   ЗАГВАР 7 — «БҮТЭЦ» (загвар 6-гийн залгамжлагч)
   Цэсний бүтэц нь index-zagvar-3.html-тэй ижил. Бусад бүх хэсэг нь brand
   book-ийн элемент дээр суурилсан цоо шинэ шийдэл: full-bleed слайдер,
   чирдэг илчлэх слайдер, snap каруусель.
   Урьдчилсан нөхцөл: brand/brand.css
   ========================================================================== */

body {
    background: var(--white);
    color: var(--evergreen);
    font-size: 16px;
    line-height: 1.62;
    overflow-x: clip;
}
::selection { background: var(--faded); color: var(--evergreen); }
:focus-visible { outline: 2px solid var(--faded); outline-offset: 3px; }

/* ==========================================================================
   1. ДЭЭД МӨР  (zagvar-3-ийн topbar)
   ========================================================================== */
.z-top { background: var(--evergreen); color: rgba(255,255,255,.72); }
.z-top .shell { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 42px; }
.z-top-tags { display: flex; gap: 26px; }
.z-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,.72); transition: color var(--t);
}
.z-top a:hover { color: var(--faded); }
.z-top .ic { width: 14px; height: 14px; fill: var(--faded); flex: 0 0 auto; }
@media (max-width: 960px) { .z-top-tags { display: none; } .z-top .shell { justify-content: center; } }

/* ==========================================================================
   2. ТОЛГОЙ — эхэндээ ил тод, гүйлгэхэд цагаан болно
   ========================================================================== */
.z-head {
    position: sticky; top: 0; z-index: 60;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background-color var(--t), border-color var(--t), backdrop-filter var(--t);
}
.z-head .shell { display: flex; align-items: center; gap: 26px; height: 84px; }
body.is-scrolled .z-head {
    background: rgba(255,255,255,.92);
    backdrop-filter: saturate(1.6) blur(14px);
    border-bottom-color: var(--line);
}
body.is-scrolled .z-head .shell { height: 68px; }

/* Хоёр лого солигдоно */
.z-logo { position: relative; flex: 0 0 auto; height: 42px; transition: height var(--t); }
.z-logo img { height: 100%; width: auto; transition: opacity var(--t); }
.z-logo .on-dark { position: absolute; inset: 0; }
body.is-scrolled .z-logo { height: 34px; }
body.is-scrolled .z-logo .on-dark { opacity: 0; }
body:not(.is-scrolled) .z-logo .on-light { opacity: 0; }

/* --- Үндсэн цэс --------------------------------------------------------- */
.z-nav { margin-left: auto; }
.z-nav-list { display: flex; align-items: center; gap: 28px; }
.z-nav-list > li { position: relative; }
.z-nav-list > li > a {
    display: inline-flex; align-items: center; gap: 7px;
    padding: 12px 0;
    font-family: var(--font-display);
    font-size: 13px; font-weight: 500; letter-spacing: .04em;
    color: rgba(255,255,255,.86);
    white-space: nowrap;
    transition: color var(--t);
}
body.is-scrolled .z-nav-list > li > a { color: var(--evergreen-70); }
.z-nav-list > li > a::after {
    content: ''; position: absolute; left: 0; bottom: 6px;
    width: 0; height: 1px; background: var(--faded);
    transition: width var(--t);
}
.z-nav-list > li:hover > a::after, .z-nav-list > li:focus-within > a::after { width: 100%; }
.z-nav-list > li:hover > a, body.is-scrolled .z-nav-list > li:hover > a { color: var(--faded); }
.z-nav-list .chev { width: 9px; height: 9px; fill: none; stroke: currentColor; stroke-width: 2.4; }
.z-nav-list > li:hover .chev { transform: rotate(180deg); }
.z-nav-list .chev { transition: transform var(--t); }

/* Унждаг цэс — энгийн ба мега */
.z-sub, .z-mega {
    position: absolute; top: calc(100% + 10px); left: -18px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 30px 60px -30px rgba(3,58,44,.45);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: opacity var(--t), transform var(--t), visibility var(--t);
    z-index: 5;
}
.z-nav-list > li:hover > .z-sub,
.z-nav-list > li:hover > .z-mega,
.z-nav-list > li:focus-within > .z-sub,
.z-nav-list > li:focus-within > .z-mega { opacity: 1; visibility: visible; transform: translateY(0); }

.z-sub { min-width: 230px; padding: 10px 0; }
.z-sub a {
    display: block; padding: 11px 22px;
    font-size: 14px; color: var(--evergreen-70);
    transition: background-color var(--t), color var(--t), padding var(--t);
}
.z-sub a:hover { background: var(--silver); color: var(--evergreen); padding-left: 28px; }

.z-mega { display: grid; grid-template-columns: 210px 190px; gap: 26px; padding: 26px; }
.z-mega-links li + li { margin-top: 4px; }
.z-mega-links a {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    padding: 11px 12px; font-size: 14px; color: var(--evergreen-70);
    border: 1px solid transparent;
    transition: border-color var(--t), color var(--t), background-color var(--t);
}
.z-mega-links a::after { content: '→'; opacity: 0; transition: opacity var(--t), transform var(--t); transform: translateX(-6px); }
.z-mega-links a:hover { border-color: var(--line); background: var(--silver); color: var(--evergreen); }
.z-mega-links a:hover::after { opacity: 1; transform: translateX(0); }

.z-plan { margin: 0; }
.z-plan svg { width: 100%; height: auto; background: var(--silver); border: 1px solid var(--line); padding: 10px; }
.z-plan figcaption {
    display: flex; align-items: center; gap: 8px; margin-top: 12px;
    font-family: var(--font-display);
    font-size: 10.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
    color: var(--evergreen-45);
}
.z-plan figcaption .ic { width: 13px; height: 13px; fill: none; stroke: var(--faded); stroke-width: 1.8; }

.z-cta-head { flex: 0 0 auto; background: var(--faded); color: var(--evergreen); border-color: var(--faded); }
.z-cta-head:hover { background: var(--white); border-color: var(--white); }
body.is-scrolled .z-cta-head { background: var(--evergreen); color: var(--white); border-color: var(--evergreen); }
body.is-scrolled .z-cta-head:hover { background: var(--forest); border-color: var(--forest); }

.z-burger { display: none; background: none; border: 0; color: var(--white); padding: 6px; margin-left: auto; }
body.is-scrolled .z-burger { color: var(--evergreen); }
@media (max-width: 1100px) {
    .z-nav, .z-cta-head { display: none; }
    .z-burger { display: block; }
    .z-head .shell, body.is-scrolled .z-head .shell { height: 64px; }
    .z-logo, body.is-scrolled .z-logo { height: 32px; }
}

/* ==========================================================================
   3. ХИЙЛ СЛАЙДЕР
   ========================================================================== */
.z-hero {
    position: relative;
    margin-top: -84px;
    min-height: 100svh;
    background: var(--evergreen);
    color: var(--white);
    overflow: hidden;
    display: flex; align-items: flex-end;
}
@media (max-width: 1100px) { .z-hero { margin-top: -64px; min-height: 92svh; } }

.z-slides { position: absolute; inset: 0; }
.z-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.1s var(--ease); }
.z-slide.is-on { opacity: 1; }
.z-slide img {
    width: 100%; height: 100%; object-fit: cover;
    transform: scale(1.12);
    transition: transform 9s linear;
}
.z-slide.is-on img { transform: scale(1); }
.z-slide::after {
    content: ''; position: absolute; inset: 0;
    background:
        linear-gradient(180deg, rgba(3,58,44,.72) 0%, rgba(3,58,44,.20) 34%, rgba(3,58,44,.90) 100%),
        linear-gradient(90deg, rgba(3,58,44,.66) 0%, rgba(3,58,44,0) 62%);
}
.z-hero .roofpattern-layer { position: absolute; inset: 0; opacity: .10; pointer-events: none; z-index: 1; }

.z-hero-inner { position: relative; z-index: 2; width: 100%; padding: 150px 0 0; }
.z-hero-copy { max-width: 780px; }
.z-hero-copy .eyebrow { color: var(--faded); }

.z-hero-title {
    margin-top: 20px;
    font-size: clamp(40px, 7.4vw, 104px);
    font-weight: 700; letter-spacing: -.03em; line-height: .98;
}
.z-hero-title em { font-style: normal; color: var(--faded); }
.z-hero-lead { margin-top: 22px; max-width: 54ch; font-size: 17px; color: rgba(255,255,255,.80); }
.z-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* Текстийн орох хөдөлгөөн */
.z-anim > * { opacity: 0; transform: translateY(26px); }
.z-slide-on .z-anim > * { animation: zUp .8s var(--ease) forwards; }
.z-slide-on .z-anim > *:nth-child(1) { animation-delay: .05s; }
.z-slide-on .z-anim > *:nth-child(2) { animation-delay: .16s; }
.z-slide-on .z-anim > *:nth-child(3) { animation-delay: .27s; }
.z-slide-on .z-anim > *:nth-child(4) { animation-delay: .38s; }
@keyframes zUp { to { opacity: 1; transform: none; } }

/* Слайдерын удирдлага */
.z-hero-bar {
    position: relative; z-index: 2;
    display: flex; align-items: flex-end; justify-content: space-between; gap: 30px;
    margin-top: 64px; padding: 26px 0 34px;
    border-top: 1px solid var(--line-light);
}
@media (max-width: 860px) { .z-hero-bar { flex-direction: column; align-items: flex-start; gap: 22px; } }

.z-dots { display: flex; gap: 26px; }
.z-dot {
    position: relative; background: none; border: 0; padding: 0 0 12px;
    font-family: var(--font-display); font-size: 12px; font-weight: 500; letter-spacing: .16em;
    color: rgba(255,255,255,.48); transition: color var(--t);
}
.z-dot::before { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(255,255,255,.20); }
.z-dot::after { content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--faded); }
.z-dot.is-on { color: var(--white); }
.z-dot.is-on::after { animation: zFill 7s linear forwards; }
@keyframes zFill { to { width: 100%; } }

.z-hero-mini { display: flex; gap: 44px; }
@media (max-width: 560px) { .z-hero-mini { gap: 26px; } }
.z-hero-mini b {
    display: block; font-family: var(--font-display);
    font-size: clamp(22px, 2.6vw, 32px); font-weight: 700; line-height: 1; color: var(--faded);
}
.z-hero-mini span { display: block; margin-top: 8px; font-size: 12px; color: rgba(255,255,255,.62); }

/* ==========================================================================
   4. ХЭСГИЙН СУУРЬ
   ========================================================================== */
.z-sec { padding: 108px 0; }
.z-sec--silver { background: var(--silver); }
.z-sec--dark { background: var(--evergreen); color: var(--white); }
@media (max-width: 780px) { .z-sec { padding: 68px 0; } }

.z-h { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.z-h h2 { margin-top: 16px; font-size: clamp(28px, 4vw, 52px); letter-spacing: -.022em; }
.z-h p { max-width: 44ch; color: var(--evergreen-70); }
.z-sec--dark .z-h p { color: rgba(255,255,255,.72); }
.z-sec--dark .z-h .eyebrow { color: var(--faded); }

/* Гүйлгэхэд илрэх */
.z-rev { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.z-rev.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   5. ХАГАС БЭЛЭН / ХАГАС ТЕХНОЛОГИ — чирдэг илчлэх
   ========================================================================== */
.z-split { background: var(--evergreen); color: var(--white); padding: 108px 0; overflow: hidden; }
@media (max-width: 780px) { .z-split { padding: 68px 0; } }
.z-split .z-h p { color: rgba(255,255,255,.72); }

.z-reveal {
    position: relative;
    aspect-ratio: 3 / 2;
    background: #05231C;
    border: 1px solid var(--line-light);
    overflow: hidden;
    touch-action: pan-y;
    cursor: ew-resize;
    --x: 52%;
}

/* Хоёр зураг. Суурь нь бүтцийн зүсэлт, дээр нь бэлэн байшин хайчлагдана.
   Зургууд ижил хэмжээтэй тул хуваарь шилжихэд байшин яг давхцана. */
.z-reveal .z-L {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; pointer-events: none;
    user-select: none; -webkit-user-drag: none;
}
.z-Lbase { z-index: 0; }                                        /* бүтэц, материал */
.z-Ldone { z-index: 1; clip-path: inset(0 calc(100% - var(--x)) 0 0); }   /* бэлэн байшин */
.z-reveal.is-drag .z-Ldone { will-change: clip-path; }

/* Хоёр талын шошго */
.z-side {
    position: absolute; top: 20px; z-index: 4;
    display: inline-flex; align-items: center; gap: 9px;
    padding: 9px 15px;
    font-family: var(--font-display); font-size: 10.5px; font-weight: 500;
    letter-spacing: .18em; text-transform: uppercase;
    backdrop-filter: blur(6px);
}
.z-side--done { left: 20px; background: rgba(255,255,255,.90); color: var(--evergreen); }
.z-side--tech { right: 20px; background: rgba(184,174,102,.94); color: var(--evergreen); }
@media (max-width: 560px) {
    .z-side { top: 12px; font-size: 9px; padding: 7px 11px; letter-spacing: .12em; }
    .z-side--done { left: 12px; } .z-side--tech { right: 12px; }
}

/* Чирэх бариул */
.z-handle {
    position: absolute; top: 0; bottom: 0; left: var(--x);
    width: 2px; margin-left: -1px; z-index: 5;
    background: var(--faded);
    pointer-events: none;
}
.z-handle::before {
    content: ''; position: absolute; top: 50%; left: 50%;
    width: 56px; height: 56px; margin: -28px 0 0 -28px;
    border: 2px solid var(--faded); border-radius: 50%;
    background: rgba(3,58,44,.72); backdrop-filter: blur(4px);
}
.z-handle::after {
    content: '';
    position: absolute; top: 50%; left: 50%;
    width: 24px; height: 10px; margin: -5px 0 0 -12px;
    background: var(--faded);
    clip-path: polygon(0 50%, 8px 0, 8px 35%, 16px 35%, 16px 0, 24px 50%, 16px 100%, 16px 65%, 8px 65%, 8px 100%);
}
/* Заагчийн чирэлтийг сав нь өөрөө барина. Range нь зөвхөн гарын товчлуурт
   зориулагдсан тул pointer-events-ийг таслав — эс тэгвээс хоёр механизм
   зөрчилдөж, бариул үсэрдэг. */
.z-reveal input[type=range] {
    position: absolute; inset: 0; z-index: 6;
    width: 100%; height: 100%; margin: 0; opacity: 0;
    pointer-events: none;
}
.z-reveal input[type=range]:focus-visible { outline-offset: -4px; }

/* Материалын жагсаалт */
.z-mat {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 34px;
    background: var(--line-light); border: 1px solid var(--line-light);
}
@media (max-width: 900px) { .z-mat { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .z-mat { grid-template-columns: 1fr; } }
.z-mat-item {
    background: var(--evergreen); color: var(--white);
    padding: 20px 20px 24px;
    display: grid; grid-template-columns: 34px 1fr; gap: 14px; align-items: start;
    position: relative;
    transition: background-color var(--t);
}
.z-mat-item::after {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
    background: var(--faded); transform: scaleY(0); transform-origin: top;
    transition: transform .3s var(--ease);
}
.z-mat-item:hover { background: var(--forest); }
.z-mat-item:hover::after { transform: scaleY(1); }
.z-mat-h { display: block; font-family: var(--font-display); font-weight: 700; font-size: 15px; line-height: 1.2; }
.z-mat-p { display: block; margin-top: 6px; font-size: 13px; line-height: 1.5; color: rgba(255,255,255,.66); }
.z-mat-item .sz {
    display: inline-block; margin-top: 10px;
    font-family: var(--font-display); font-size: 11px; font-weight: 700;
    letter-spacing: .1em; color: var(--faded);
}

/* Материалын бодит өнгө, бүтцийг дуурайсан дээж */
.z-mat-item .sw {
    display: block; width: 30px; height: 30px;
    border: 1px solid rgba(255,255,255,.24); background-color: #6E7A72;
}
.sw--clad  { background-image: repeating-linear-gradient(90deg,#26332C 0 6px,#0A100D 6px 7px,#2B3931 7px 13px,#0A100D 13px 14px); }
.sw--bat   { background-image: repeating-linear-gradient(90deg,#9C8446 0 7px,#04150F 7px 9px); }
.sw--memb  { background-image: repeating-linear-gradient(45deg,#F1F4F1 0 3px,#C6CCC6 3px 5px); }
.sw--osb   { background-image: repeating-linear-gradient(28deg,#C9A96A 0 4px,#B08B4C 4px 7px,#D6BA82 7px 11px); }
.sw--wool  { background-image: repeating-linear-gradient(0deg,#C4B87C 0 3px,#8E8348 3px 4px,#EFE7BE 4px 6px); }
.sw--roof  { background-image: repeating-linear-gradient(0deg,#C4B87C 0 3px,#8E8348 3px 4px,#EFE7BE 4px 6px),
                               linear-gradient(0deg,#151F1A 0 8px,transparent 8px); }
.sw--glass { background-image: linear-gradient(135deg,#A6BBB3 0 30%,#3C594F 30% 62%,#718D83 62% 100%); }
.sw--floor { background-image: repeating-linear-gradient(90deg,#9B8046 0 5px,#C4B87C 5px 13px); }
.sw--pile  { background-image: linear-gradient(90deg,#E4EAE7 0 30%,#AEB8B3 30% 100%); }

.z-split-note { margin-top: 22px; font-size: 12.5px; color: rgba(255,255,255,.50); }

/* ==========================================================================
   6. БҮТЭЭГДЭХҮҮН — сүлжээ
   Өмнө нь хажуу тийш гүйдэг каруусель байсан: 7 картыг 32%-иар зэрэгцүүлдэг
   тул карт нарийн, өндөр харагдаж, гурав нь л нэг зэрэг үзэгддэг байв. Одоо
   бүх карт нэг дор харагдана — эхний нь мөр дүүргэсэн онцлох карт.
   ========================================================================== */
.z-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 1000px) { .z-grid { grid-template-columns: 1fr 1fr; gap: 18px; } }
@media (max-width: 620px)  { .z-grid { grid-template-columns: 1fr; gap: 16px; } }
.z-grid > li { display: flex; }

.z-card {
    flex: 1; background: var(--white);
    border: 1px solid var(--line); display: flex; flex-direction: column;
    transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.z-card:hover { transform: translateY(-4px); border-color: var(--faded); box-shadow: 0 26px 44px -28px rgba(3,58,44,.45); }
.z-card:focus-visible { outline: 2px solid var(--olive); outline-offset: 3px; }

.z-card-art { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--silver); }
.z-card-art img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.z-card:hover .z-card-art img { transform: scale(1.06); }
.z-card-tag {
    position: absolute; left: 0; bottom: 0;
    background: var(--faded); color: var(--evergreen);
    padding: 8px 14px;
    font-family: var(--font-display); font-size: 10.5px; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase;
}
.z-card-body { padding: 24px 22px 26px; flex: 1; display: flex; flex-direction: column; }
.z-card-body h3 { font-size: 19px; }
.z-card-body p { margin-top: 9px; font-size: 14px; color: var(--evergreen-70); }
.z-card-meta { display: flex; gap: 18px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.z-card-meta div { font-size: 12px; color: var(--evergreen-45); }
.z-card-meta b { display: block; font-family: var(--font-display); font-size: 15px; color: var(--evergreen); }
.z-card-more {
    display: inline-flex; align-items: center; gap: 9px; margin-top: 20px;
    font-family: var(--font-display); font-size: 12px; font-weight: 500;
    letter-spacing: .1em; text-transform: uppercase; color: var(--olive);
    transition: gap var(--t), color var(--t);
}
.z-card:hover .z-card-more { gap: 15px; color: var(--evergreen); }
.z-card-more svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Онцлох карт — мөрийг бүтнээр эзэлж, зураг ба бичвэр зэрэгцэнэ.
   7 картыг 1 + 3 + 3 болгон жигд байрлуулна. */
.z-grid > li:first-child { grid-column: 1 / -1; }
@media (min-width: 621px) {
    .z-card--wide { display: grid; grid-template-columns: 42% 1fr; }
    .z-card--wide .z-card-art { aspect-ratio: auto; min-height: 300px; }
    .z-card--wide .z-card-body { padding: 40px 40px 42px; justify-content: center; }
    .z-card--wide .z-card-body h3 { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -.015em; }
    .z-card--wide .z-card-body p { margin-top: 12px; font-size: 15.5px; max-width: 46ch; }
    .z-card--wide .z-card-meta { margin-top: 24px; gap: 26px; }
    .z-card--wide .z-card-meta b { font-size: 18px; }
}
@media (max-width: 620px) { .z-card--wide .z-card-art { aspect-ratio: 4 / 3; } }

/* ==========================================================================
   7. ҮЙЛ ЯВЦ
   ========================================================================== */
.z-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 900px) { .z-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .z-steps { grid-template-columns: 1fr; } }
.z-step { background: var(--white); padding: 34px 26px 40px; position: relative; overflow: hidden; }
.z-step .no {
    font-family: var(--font-display); font-size: 52px; font-weight: 700;
    line-height: 1; color: var(--faded-30);
}
.z-step h3 { margin: 14px 0 9px; font-size: 17px; }
.z-step p { font-size: 14px; color: var(--evergreen-70); }
.z-step::after {
    content: ''; position: absolute; left: 0; bottom: 0; height: 3px; width: 0;
    background: var(--olive); transition: width .5s var(--ease);
}
.z-step:hover::after { width: 100%; }
.z-step-t {
    display: inline-block; margin-top: 14px; padding: 5px 10px;
    background: var(--silver); color: var(--evergreen-70);
    font-family: var(--font-display); font-size: 11px; font-weight: 500;
    letter-spacing: .1em; text-transform: uppercase;
}

/* ==========================================================================
   8. ТООН ҮЗҮҮЛЭЛТ
   ========================================================================== */
.z-stats { display: grid; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 760px) { .z-stats { grid-template-columns: 1fr 1fr; } }
.z-stats li { padding: 54px 24px 58px; border-left: 1px solid var(--line-light); }
.z-stats li:first-child { border-left: 0; }
@media (max-width: 760px) { .z-stats li:nth-child(3) { border-left: 0; } }
.z-stats b {
    display: block; font-family: var(--font-display);
    font-size: clamp(34px, 5vw, 62px); font-weight: 700; line-height: 1; color: var(--faded);
}
.z-stats span { display: block; margin-top: 12px; font-size: 13px; color: rgba(255,255,255,.66); }

/* ==========================================================================
   9. ҮЙЛДВЭР + ВИДЕО
   ========================================================================== */
.z-fact { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .z-fact { grid-template-columns: 1fr; gap: 32px; } }
.z-fact h2 { font-size: clamp(28px, 4vw, 50px); letter-spacing: -.022em; margin: 16px 0 16px; }
.z-fact p { color: var(--evergreen-70); }
.z-fact-list { margin-top: 26px; }
.z-fact-list li {
    display: grid; grid-template-columns: 18px 1fr; gap: 14px; align-items: start;
    padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14.5px;
}
.z-fact-list li::before {
    content: ''; width: 16px; height: 13px; margin-top: 5px;
    background: var(--olive);
    clip-path: polygon(50% 0%, 100% 46%, 100% 100%, 0% 100%, 0% 46%);
}
.z-video { position: relative; aspect-ratio: 16 / 10; background: var(--evergreen); overflow: hidden; }
.z-video img { width: 100%; height: 100%; object-fit: cover; opacity: .74; }
.z-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.z-play {
    position: absolute; inset: 0; display: grid; place-items: center;
    background: none; border: 0; color: var(--white);
}
.z-play i {
    width: 84px; height: 84px; display: grid; place-items: center;
    border: 1px solid var(--faded); border-radius: 50%;
    background: rgba(3,58,44,.5); backdrop-filter: blur(3px);
    transition: background-color var(--t), transform var(--t);
}
.z-play:hover i { background: var(--faded); transform: scale(1.06); }
.z-play svg { width: 22px; height: 22px; fill: var(--faded); margin-left: 4px; transition: fill var(--t); }
.z-play:hover svg { fill: var(--evergreen); }

/* ==========================================================================
   10. СЭТГЭГДЛИЙН СЛАЙДЕР
   ========================================================================== */
.z-quotes { position: relative; min-height: 260px; }
.z-quote {
    position: absolute; inset: 0;
    opacity: 0; visibility: hidden; transform: translateY(18px);
    transition: opacity .7s var(--ease), transform .7s var(--ease), visibility .7s;
}
.z-quote.is-on { opacity: 1; visibility: visible; transform: none; position: relative; }
.z-quote blockquote {
    margin: 0; font-family: var(--font-display); font-weight: 500;
    font-size: clamp(20px, 2.7vw, 34px); line-height: 1.32; letter-spacing: -.014em;
    max-width: 22ch;
}
.z-sec--dark .z-quote blockquote { color: var(--white); }
.z-quote figcaption { margin-top: 26px; font-size: 13.5px; color: rgba(255,255,255,.62); }
.z-quote figcaption b { display: block; font-family: var(--font-display); font-size: 15px; color: var(--faded); margin-bottom: 4px; }
.z-quote-nav { display: flex; gap: 10px; margin-top: 34px; }
.z-quote-nav button {
    width: 44px; height: 44px; display: grid; place-items: center;
    background: transparent; border: 1px solid var(--line-light); color: var(--white);
    transition: background-color var(--t), color var(--t), border-color var(--t);
}
.z-quote-nav button:hover { background: var(--faded); border-color: var(--faded); color: var(--evergreen); }
.z-quote-nav svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* ==========================================================================
   11. ДУУДЛАГА
   ========================================================================== */
.z-cta { position: relative; background: var(--faded); color: var(--evergreen); overflow: hidden; }
.z-cta .roofpattern-layer { position: absolute; inset: 0; opacity: .28; }
.z-cta .shell { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; padding: 78px 24px; }
@media (max-width: 860px) { .z-cta .shell { grid-template-columns: 1fr; padding: 56px 18px; } }
.z-cta h2 { font-size: clamp(28px, 4vw, 48px); letter-spacing: -.022em; margin-bottom: 14px; }
.z-cta p { color: rgba(3,58,44,.78); }
.z-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
@media (max-width: 860px) { .z-cta-actions { justify-content: flex-start; } }

/* ==========================================================================
   12. ХӨЛ
   ========================================================================== */
.z-foot { background: var(--evergreen); color: rgba(255,255,255,.70); padding: 74px 0 0; }
.z-foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; }
@media (max-width: 900px) { .z-foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; } }
@media (max-width: 560px) { .z-foot-grid { grid-template-columns: 1fr; } }
.z-foot img { height: 42px; width: auto; margin-bottom: 18px; }
.z-foot p, .z-foot a, .z-foot li { font-size: 14px; color: rgba(255,255,255,.70); }
.z-foot a:hover { color: var(--faded); }
.z-foot h4 {
    font-family: var(--font-display); font-size: 11px; font-weight: 500;
    letter-spacing: .2em; text-transform: uppercase; color: var(--white); margin-bottom: 18px;
}
.z-foot li + li { margin-top: 11px; }
.z-foot-bottom {
    margin-top: 58px; padding: 22px 0; border-top: 1px solid var(--line-light);
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
    font-size: 12px; color: rgba(255,255,255,.45);
}

/* ==========================================================================
   13. ГАР УТАСНЫ ЦЭС
   ========================================================================== */
.z-scrim {
    position: fixed; inset: 0; z-index: 80; background: rgba(3,58,44,.5);
    opacity: 0; visibility: hidden; transition: opacity var(--t), visibility var(--t);
}
.z-scrim.is-open { opacity: 1; visibility: visible; }
.z-drawer {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 90;
    width: min(88vw, 380px); background: var(--white);
    padding: 22px 24px 40px; overflow-y: auto;
    transform: translateX(100%); visibility: hidden;
    transition: transform var(--t), visibility var(--t);
}
.z-drawer.is-open { transform: none; visibility: visible; }
.z-drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.z-drawer-head button { background: none; border: 0; color: var(--evergreen); padding: 6px; }
.z-drawer > a, .z-drawer details > summary {
    display: block; padding: 15px 0; border-bottom: 1px solid var(--line);
    font-family: var(--font-display); font-size: 15px; font-weight: 500; color: var(--evergreen);
}
.z-drawer details > summary { list-style: none; cursor: pointer; position: relative; }
.z-drawer details > summary::-webkit-details-marker { display: none; }
.z-drawer details > summary::after {
    content: '+'; position: absolute; right: 2px; top: 50%; transform: translateY(-50%);
    color: var(--olive); font-size: 18px;
}
.z-drawer details[open] > summary::after { content: '–'; }
.z-drawer details ul { padding: 8px 0 12px; }
.z-drawer details a { display: block; padding: 9px 0 9px 14px; font-size: 14px; color: var(--evergreen-70); }
.z-drawer a.btn {
    display: flex; width: 100%; margin-top: 26px;
    padding: 16px 26px; border-bottom: 0; color: var(--white);
}

/* ==========================================================================
   14. ЗАГВАР 7-Д НЭМЭГДСЭН ХЭСГҮҮД
   ========================================================================== */

/* --- Наалдмал толгойн доогуур орохоос сэргийлнэ ------------------------- */
main > section[id],
.z-card[id] { scroll-margin-top: 96px; }
#hero { scroll-margin-top: 0; }
@media (max-width: 1100px) { main > section[id], .z-card[id] { scroll-margin-top: 76px; } }

/* --- Гарын товчлуурт зориулсан алгасах холбоос -------------------------- */
.z-skip {
    position: fixed; top: 10px; left: 10px; z-index: 200;
    padding: 12px 20px; background: var(--faded); color: var(--evergreen);
    font-family: var(--font-display); font-size: 13px; font-weight: 500;
    transform: translateY(-160%); transition: transform var(--t);
}
.z-skip:focus { transform: none; }

/* --- Хийл слайдерын зогсоох товч ---------------------------------------- */
.z-hero-play {
    align-self: center;
    width: 34px; height: 34px; margin-bottom: 12px; padding: 0;
    display: grid; place-items: center;
    background: transparent; border: 1px solid var(--line-light); color: rgba(255,255,255,.72);
    transition: border-color var(--t), color var(--t), background-color var(--t);
}
.z-hero-play:hover { border-color: var(--faded); color: var(--faded); }
.z-hero-play svg { width: 13px; height: 13px; fill: currentColor; }
.z-hero-play .i-play { display: none; }
body.is-hero-paused .z-hero-play .i-play  { display: block; }
body.is-hero-paused .z-hero-play .i-pause { display: none; }
/* Зогсоосон үед явцын судал ч зогсоно */
body.is-hero-paused .z-dot.is-on::after { animation-play-state: paused; }

/* --- Огтлолын хуваарь фокуст орсныг мэдрүүлнэ --------------------------- */
.z-reveal.is-focus .z-handle::before { box-shadow: 0 0 0 3px rgba(255,255,255,.55); }

/* --- Хэсгийн тэргүүлэх догол мөр ---------------------------------------- */
.z-lead { font-size: 17px; line-height: 1.6; color: var(--evergreen-70); }
.z-sec--dark .z-lead, .z-split .z-lead { color: rgba(255,255,255,.78); }

/* ==========================================================================
   15. ДАВУУ ТАЛ
   ========================================================================== */
.z-adv {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1px; background: var(--line); border: 1px solid var(--line);
}
@media (max-width: 940px) { .z-adv { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .z-adv { grid-template-columns: 1fr; } }

.z-adv-item {
    position: relative; background: var(--white);
    padding: 34px 28px 38px;
    transition: background-color var(--t);
}
.z-adv-item:hover { background: var(--silver); }
.z-adv-ic {
    width: 30px; height: 30px; fill: none; stroke: var(--olive);
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.z-adv-item h3 { margin: 20px 0 10px; font-size: 18px; letter-spacing: -.01em; }
.z-adv-item p { font-size: 14.5px; color: var(--evergreen-70); }
.z-adv-num {
    display: inline-block; margin-top: 18px;
    font-family: var(--font-display); font-size: 12px; font-weight: 700;
    letter-spacing: .14em; text-transform: uppercase; color: var(--faded);
}

/* --- Харьцуулалтын хүснэгт ---------------------------------------------- */
.z-compare { margin-top: 48px; overflow-x: auto; }
.z-compare table { width: 100%; min-width: 620px; border-collapse: collapse; }
.z-compare th, .z-compare td {
    padding: 16px 20px; text-align: left; font-size: 14.5px;
    border-bottom: 1px solid var(--line);
}
.z-compare thead th {
    font-family: var(--font-display); font-size: 11px; font-weight: 500;
    letter-spacing: .18em; text-transform: uppercase; color: var(--evergreen-45);
    border-bottom: 1px solid var(--evergreen);
}
.z-compare tbody th { font-weight: 500; color: var(--evergreen-70); width: 38%; }
.z-compare td:nth-child(2) {
    font-family: var(--font-display); font-weight: 700; color: var(--evergreen);
    background: var(--faded-16);
}
.z-compare thead th:nth-child(2) { color: var(--evergreen); background: var(--faded-16); }
.z-compare td:nth-child(3) { color: var(--evergreen-45); }
.z-compare-note { margin-top: 16px; font-size: 12.5px; color: var(--evergreen-45); }

/* ==========================================================================
   16. БИДНИЙ ТУХАЙ
   ========================================================================== */
.z-about { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .z-about { grid-template-columns: 1fr; gap: 34px; } }
.z-about h2 { margin: 16px 0 20px; font-size: clamp(28px, 4vw, 50px); letter-spacing: -.022em; }
.z-about-copy p + p { margin-top: 14px; color: var(--evergreen-70); }

.z-about-vals { margin-top: 34px; border-top: 1px solid var(--line); }
.z-about-vals li { padding: 20px 0; border-bottom: 1px solid var(--line); }
.z-about-vals b {
    display: block; margin-bottom: 5px;
    font-family: var(--font-display); font-size: 15px; color: var(--evergreen);
}
.z-about-vals span { font-size: 14px; color: var(--evergreen-70); }

.z-about-art { margin: 0; position: relative; }
.z-about-art img {
    width: 100%; height: auto; aspect-ratio: 4 / 5; max-height: 580px; object-fit: cover;
    clip-path: polygon(50% 0%, 100% 16%, 100% 100%, 0% 100%, 0% 16%);
}
.z-about-art figcaption {
    margin-top: 14px;
    font-family: var(--font-display); font-size: 10.5px; font-weight: 500;
    letter-spacing: .16em; text-transform: uppercase; color: var(--evergreen-45);
}

.z-fact-cta { margin-top: 30px; }

/* ==========================================================================
   17. АСУУЛТ ХАРИУЛТ
   ========================================================================== */
.z-faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .z-faq-wrap { grid-template-columns: 1fr; gap: 34px; } }
.z-faq-head h2 { margin: 16px 0 16px; font-size: clamp(28px, 4vw, 46px); letter-spacing: -.022em; }
.z-faq-head p { color: var(--evergreen-70); margin-bottom: 26px; }
@media (min-width: 901px) { .z-faq-head { position: sticky; top: 108px; } }

.z-faq { border-top: 1px solid var(--evergreen-12); }
.z-faq details { border-bottom: 1px solid var(--evergreen-12); }
.z-faq summary {
    list-style: none; cursor: pointer; position: relative;
    padding: 22px 46px 22px 0;
    font-family: var(--font-display); font-size: clamp(16px, 1.6vw, 18px); font-weight: 500;
    color: var(--evergreen); transition: color var(--t);
}
.z-faq summary::-webkit-details-marker { display: none; }
.z-faq summary:hover { color: var(--olive); }
.z-faq summary:focus-visible { outline: 2px solid var(--faded); outline-offset: 2px; }
.z-faq summary::after {
    content: ''; position: absolute; right: 6px; top: 50%;
    width: 13px; height: 13px; margin-top: -7px;
    background: currentColor;
    clip-path: polygon(45% 0, 55% 0, 55% 45%, 100% 45%, 100% 55%, 55% 55%, 55% 100%, 45% 100%, 45% 55%, 0 55%, 0 45%, 45% 45%);
    transition: transform var(--t);
}
.z-faq details[open] summary { color: var(--olive); }
.z-faq details[open] summary::after { transform: rotate(45deg); }
.z-faq-a { padding: 0 46px 26px 0; }
.z-faq-a p { font-size: 15px; color: var(--evergreen-70); }

/* ==========================================================================
   18. ХОЛБОО БАРИХ ФОРМ
   ========================================================================== */
.z-cont { display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .z-cont { grid-template-columns: 1fr; gap: 40px; } }
.z-cont-copy h2 { margin: 16px 0 18px; font-size: clamp(28px, 4vw, 50px); letter-spacing: -.022em; }

.z-cont-list { margin-top: 34px; }
.z-cont-list li {
    display: grid; grid-template-columns: 22px 1fr; gap: 16px; align-items: start;
    padding: 18px 0; border-top: 1px solid var(--line);
}
.z-cont-list svg {
    width: 20px; height: 20px; margin-top: 2px; fill: none; stroke: var(--olive);
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.z-cont-list b {
    display: block; margin-bottom: 3px;
    font-family: var(--font-display); font-size: 11px; font-weight: 500;
    letter-spacing: .18em; text-transform: uppercase; color: var(--evergreen-45);
}
.z-cont-list span { font-size: 15px; color: var(--evergreen); }
.z-cont-list a:hover { color: var(--olive); }

.z-form {
    background: var(--silver); border: 1px solid var(--line);
    padding: 34px 32px 36px;
}
@media (max-width: 560px) { .z-form { padding: 26px 20px 28px; } }
.z-form-h {
    font-size: 20px; margin-bottom: 24px; padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}

.z-field { margin-bottom: 18px; }
.z-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 520px) { .z-field-row { grid-template-columns: 1fr; gap: 0; } }
.z-field label {
    display: block; margin-bottom: 7px;
    font-family: var(--font-display); font-size: 11px; font-weight: 500;
    letter-spacing: .14em; text-transform: uppercase; color: var(--evergreen-70);
}
.z-field label span { color: var(--olive); }
.z-field input, .z-field select, .z-field textarea {
    width: 100%; padding: 13px 14px;
    font-family: var(--font-body); font-size: 15px; color: var(--evergreen);
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    transition: border-color var(--t), box-shadow var(--t);
}
.z-field textarea { resize: vertical; min-height: 96px; line-height: 1.55; }
.z-field select {
    appearance: none; cursor: pointer; padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23033A2C' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center;
}
.z-field input::placeholder, .z-field textarea::placeholder { color: var(--evergreen-45); }
.z-field input:focus, .z-field select:focus, .z-field textarea:focus {
    outline: 0; border-color: var(--olive); box-shadow: 0 0 0 3px var(--faded-30);
}
.z-field.has-err input, .z-field.has-err select, .z-field.has-err textarea { border-color: #A33A2A; }
.z-err { margin-top: 6px; font-size: 12.5px; color: #A33A2A; }

.z-check { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; margin: 24px 0 26px; }
.z-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--evergreen); }
.z-check label {
    margin: 0; font-family: var(--font-body); font-size: 13.5px;
    letter-spacing: 0; text-transform: none; color: var(--evergreen-70); line-height: 1.5;
}
.z-check .z-err { grid-column: 1 / -1; }

/* Спам занга — хүнд харагдахгүй */
.z-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.z-form-submit { width: 100%; padding: 17px 26px; }
.z-form-note { margin-top: 14px; font-size: 12.5px; color: var(--evergreen-45); }
.z-form-status {
    margin-top: 18px; padding: 13px 16px; font-size: 14px;
    border-left: 3px solid var(--olive); background: var(--white);
}
.z-form-status.is-err { border-left-color: #A33A2A; color: #A33A2A; }
.z-form-status.is-ok  { border-left-color: var(--olive); color: var(--evergreen); }
.z-form-status.is-wait { border-left-color: var(--faded); color: var(--evergreen-70); }

/* ==========================================================================
   19. ДЭЭШ БУЦАХ, ХӨЛИЙН НЭМЭЛТ
   ========================================================================== */
.z-up {
    position: fixed; right: 22px; bottom: 22px; z-index: 70;
    width: 46px; height: 46px; display: grid; place-items: center;
    background: var(--evergreen); color: var(--white); border: 1px solid var(--evergreen);
    box-shadow: 0 14px 30px -14px rgba(3,58,44,.7);
    transition: background-color var(--t), transform var(--t);
}
.z-up:hover { background: var(--forest); transform: translateY(-3px); }
.z-up svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 560px) { .z-up { right: 14px; bottom: 14px; width: 42px; height: 42px; } }

.z-foot-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.z-foot-badges span {
    padding: 6px 11px; border: 1px solid var(--line-light);
    font-family: var(--font-display); font-size: 10px; font-weight: 500;
    letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.60);
}
.z-foot-cta { margin-top: 22px; }

/* ==========================================================================
   20. НАРИЙВЧЛАЛ — типографи, зай, хөдөлгөөн
   ========================================================================== */
/* Хэсгийн гарчгийн доор алтлаг зураас — бүх хэсэгт нэг хэмнэл өгнө */
.z-h h2, .z-fact h2, .z-about h2, .z-faq-head h2, .z-cont-copy h2 { position: relative; }
.z-h > div, .z-fact h2, .z-about-copy, .z-faq-head, .z-cont-copy { max-width: 100%; }

/* Хүрэх талбайг гар утсанд томсгоно */
@media (max-width: 700px) {
    .z-quote-nav button { width: 46px; height: 46px; }
}

/* Хэвлэх — навигаци, чимэглэлгүй цэвэр хуудас */
@media print {
    .z-top, .z-head, .z-hero-bar, .z-quote-nav,
    .z-up, .z-drawer, .z-scrim, .z-skip, .z-reveal input, .z-handle { display: none !important; }
    body { color: #000; }
    .z-sec, .z-split, .z-sec--dark, .z-cta { background: #fff !important; color: #000 !important; padding: 24px 0 !important; }
    .z-rev, .z-anim > * { opacity: 1 !important; transform: none !important; }
    a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 10px; }
}