/* ==========================================================================
   ЗАГВАР 4 — «АРХИТЕКТУР»
   Гүн ногоон давамгайлсан, редакцийн маягийн зохиомж.
   Брэндийн гол дүрс (дээврийн хэлбэр) зураг хайчлахад ашиглагдана.
   ========================================================================== */

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

/* --- Толгой ------------------------------------------------------------- */
.a-top {
    background: var(--evergreen);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
}
.a-top .shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 38px;
}
.a-top a { color: var(--faded); }
@media (max-width: 780px) { .a-top .shell > *:not(:first-child) { display: none; } }

.a-head {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--evergreen);
    border-bottom: 1px solid var(--line-light);
}
.a-head .shell {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 84px;
}
.a-logo { flex: 0 0 auto; }
.a-logo img { height: 42px; width: auto; }
.a-nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.a-nav a {
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255,255,255,.82);
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: color var(--t), border-color var(--t);
}
.a-nav a:hover { color: var(--faded); border-color: var(--faded); }
.a-head .btn { flex: 0 0 auto; }
.a-burger { display: none; background: none; border: 0; color: var(--white); padding: 6px; }
@media (max-width: 1080px) {
    .a-nav, .a-head .btn { display: none; }
    .a-burger { display: block; margin-left: auto; }
    .a-head .shell { height: 68px; }
    .a-logo img { height: 34px; }
}

/* --- Хийл --------------------------------------------------------------- */
.a-hero {
    position: relative;
    background: var(--evergreen);
    color: var(--white);
    overflow: hidden;
}
.a-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: .16;
    background-image: inherit;
}
.a-hero .roofpattern-layer {
    position: absolute; inset: 0; opacity: .13; pointer-events: none;
}
.a-hero .shell {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 56px;
    padding-top: 86px;
    padding-bottom: 86px;
}
@media (max-width: 980px) {
    .a-hero .shell { grid-template-columns: 1fr; gap: 40px; padding-top: 56px; padding-bottom: 56px; }
}

.a-hero h1 {
    font-size: clamp(38px, 5.6vw, 74px);
    font-weight: 700;
    letter-spacing: -.015em;
    margin: 22px 0 20px;
}
.a-hero h1 em { font-style: normal; color: var(--faded); }
.a-hero p {
    max-width: 46ch;
    color: rgba(255,255,255,.78);
    font-size: 16.5px;
}
.a-hero .a-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.a-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-top: 46px;
    border-top: 1px solid var(--line-light);
}
.a-badges li {
    flex: 1 1 120px;
    padding: 20px 18px 0 0;
}
.a-badges b {
    display: block;
    font-family: var(--font-display);
    font-size: 30px;
    font-weight: 700;
    color: var(--faded);
    line-height: 1;
}
.a-badges span {
    display: block;
    margin-top: 8px;
    font-size: 12px;
    letter-spacing: .06em;
    color: rgba(255,255,255,.66);
}

/* Хийл дэх зураг — байшингийн хэлбэрээр хайчилсан */
.a-hero-art { position: relative; }
.a-hero-art .frame {
    position: relative;
    aspect-ratio: 4 / 5;
    background: var(--forest);
}
.a-hero-art img { width: 100%; height: 100%; object-fit: cover; }
.a-hero-art .tag {
    position: absolute;
    left: 0; bottom: 0;
    background: var(--faded);
    color: var(--evergreen);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 12px 18px;
}
@media (max-width: 980px) { .a-hero-art .frame { aspect-ratio: 16 / 11; } }

/* --- Ерөнхий хэсэг ------------------------------------------------------ */
.a-sec { padding: 96px 0; }
.a-sec--tight { padding: 72px 0; }
.a-sec--silver { background: var(--silver); }
.a-sec--dark { background: var(--evergreen); color: var(--white); }
@media (max-width: 780px) { .a-sec { padding: 64px 0; } }

.a-head2 { max-width: 720px; margin-bottom: 48px; }
.a-head2 h2 {
    font-size: clamp(26px, 3.4vw, 42px);
    margin: 16px 0 14px;
}
.a-head2 p { color: var(--evergreen-70); }
.a-sec--dark .a-head2 p { color: rgba(255,255,255,.7); }
.a-head2--center { margin-left: auto; margin-right: auto; text-align: center; }
.a-head2--center .eyebrow { justify-content: center; }

/* --- Загварын карт ------------------------------------------------------ */
.a-models {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
@media (max-width: 980px) { .a-models { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
@media (max-width: 600px)  { .a-models { grid-template-columns: 1fr; } }

.a-model {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    transition: border-color var(--t), transform var(--t);
}
.a-sec--silver .a-model { background: var(--white); }
.a-model:hover { border-color: var(--evergreen); transform: translateY(-3px); }

.a-model-art {
    position: relative;
    aspect-ratio: 4 / 3;
    background: var(--forest);
    overflow: hidden;
}
.a-model-art img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .7s var(--ease);
}
.a-model:hover .a-model-art img { transform: scale(1.05); }
.a-model-size {
    position: absolute;
    right: 0; top: 0;
    background: var(--evergreen);
    color: var(--faded);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    padding: 9px 14px;
}

.a-model-body { padding: 24px 22px 26px; display: flex; flex-direction: column; flex: 1; }
.a-model-body h3 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: .01em;
    margin-bottom: 10px;
}
.a-model-body p { font-size: 14px; color: var(--evergreen-70); margin-bottom: 18px; }

.a-rooms { margin-top: auto; border-top: 1px solid var(--line); padding-top: 16px; display: grid; gap: 9px; }
.a-rooms li {
    display: flex; align-items: center; gap: 10px;
    font-size: 13px; color: var(--evergreen-70);
}
.a-rooms li::before {
    content: '';
    width: 13px; height: 11px;
    flex: 0 0 auto;
    background: var(--faded);
    clip-path: polygon(50% 0%, 100% 46%, 100% 100%, 0% 100%, 0% 46%);
}

/* --- Давуу тал ---------------------------------------------------------- */
.a-feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 900px) { .a-feats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .a-feats { grid-template-columns: 1fr; } }
.a-feat { background: var(--white); padding: 34px 28px 38px; }
.a-feat .n {
    font-family: var(--font-display);
    font-size: 12px; font-weight: 700; letter-spacing: .16em;
    color: var(--faded);
}
.a-feat h3 { font-size: 16px; margin: 16px 0 10px; }
.a-feat p { font-size: 14px; color: var(--evergreen-70); }

/* --- Тоон үзүүлэлт ------------------------------------------------------ */
.a-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
@media (max-width: 820px) { .a-stats { grid-template-columns: repeat(2, 1fr); gap: 30px; } }
.a-stat b {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(34px, 4.4vw, 56px);
    font-weight: 700;
    color: var(--faded);
    line-height: 1;
}
.a-stat span {
    display: block; margin-top: 12px;
    font-size: 13px; letter-spacing: .05em;
    color: rgba(255,255,255,.72);
}

/* --- Үйлдвэр ------------------------------------------------------------ */
.a-split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .a-split { grid-template-columns: 1fr; gap: 34px; } }
.a-split-art { position: relative; aspect-ratio: 5 / 4; background: var(--forest); }
.a-split-art img { width: 100%; height: 100%; object-fit: cover; }
.a-checks { display: grid; gap: 14px; margin-top: 26px; }
.a-checks li { display: flex; gap: 12px; font-size: 15px; color: var(--evergreen-70); }
.a-checks li::before {
    content: '';
    width: 16px; height: 13px; margin-top: 6px; flex: 0 0 auto;
    background: var(--olive);
    clip-path: polygon(50% 0%, 100% 46%, 100% 100%, 0% 100%, 0% 46%);
}

/* --- Дуудлага ----------------------------------------------------------- */
.a-cta { position: relative; background: var(--forest); color: var(--white); overflow: hidden; }
.a-cta .shell {
    position: relative;
    display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px;
    align-items: center; padding: 74px 24px;
}
@media (max-width: 820px) { .a-cta .shell { grid-template-columns: 1fr; padding: 54px 18px; } }
.a-cta h2 { font-size: clamp(26px, 3.6vw, 44px); margin-bottom: 14px; }
.a-cta p { color: rgba(255,255,255,.78); }
.a-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
@media (max-width: 820px) { .a-cta-actions { justify-content: flex-start; } }

/* --- Хөл --------------------------------------------------------------- */
.a-foot { background: var(--evergreen); color: rgba(255,255,255,.72); padding: 68px 0 0; }
.a-foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px) { .a-foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .a-foot-grid { grid-template-columns: 1fr; } }
.a-foot img { height: 40px; width: auto; margin-bottom: 18px; }
.a-foot h4 {
    font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
    color: var(--faded); margin-bottom: 18px;
}
.a-foot li + li { margin-top: 11px; }
.a-foot a:hover { color: var(--white); }
.a-foot-bottom {
    margin-top: 56px; padding: 22px 0;
    border-top: 1px solid var(--line-light);
    font-size: 12px; letter-spacing: .04em;
    display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
}