/* ==========================================================================
   ШИНЭЛЭГ СУУЦ — брэндийн суурь
   Brand book-оос шууд авсан токенууд. Хоёр загвар энэ файлыг хуваалцана.
   ========================================================================== */

/* --- Фонт (brand book / 03_Brand_Assets) --------------------------------- */
@font-face { font-family: 'Cera Pro'; src: url('fonts/Cera Pro Light.otf') format('opentype');  font-weight: 300; font-style: normal; font-display: swap; }
@font-face { font-family: 'Cera Pro'; src: url('fonts/Cera Pro.otf') format('opentype');        font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Cera Pro'; src: url('fonts/Cera Pro Medium.otf') format('opentype'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Cera Pro'; src: url('fonts/Cera Pro Bold.otf') format('opentype');   font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Cera Pro'; src: url('fonts/Cera Pro Black.otf') format('opentype');  font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: 'Golos Text'; src: url('fonts/GolosText-VariableFont_wght.ttf') format('truetype'); font-weight: 400 900; font-style: normal; font-display: swap; }

:root {
    /* --- Өнгө (brand book, х.10) --------------------------------------- */
    --evergreen:  #033A2C;   /* evergreen forest */
    --forest:     #114F40;
    --faded:      #B8AE66;   /* faded — алтлаг */
    --olive:      #647533;
    --silver:     #EAEDEC;   /* shiny silver */
    --white:      #FFFFFF;

    /* Туслах өнгө — үндсэн палитраас гаргасан */
    --evergreen-90: rgba(3, 58, 44, .90);
    --evergreen-70: rgba(3, 58, 44, .70);
    --evergreen-45: rgba(3, 58, 44, .45);
    --evergreen-12: rgba(3, 58, 44, .12);
    --faded-30:     rgba(184, 174, 102, .30);
    --faded-16:     rgba(184, 174, 102, .16);
    --line:         rgba(3, 58, 44, .14);
    --line-light:   rgba(255, 255, 255, .18);

    /* --- Фонт ---------------------------------------------------------- */
    --font-display: 'Cera Pro', 'Golos Text', system-ui, sans-serif;
    --font-body:    'Golos Text', 'Cera Pro', system-ui, sans-serif;

    /* --- Хэмжээ, хөдөлгөөн --------------------------------------------- */
    --radius: 2px;
    --ease: cubic-bezier(.22, .61, .36, 1);
    --t: .35s var(--ease);
    --shell: 1240px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); }
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.08; }
p { margin: 0; }

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .shell { padding: 0 18px; } }

/* --- Брэндийн гол дүрс: дээвэр / байшингийн хэлбэр ----------------------
   Brand book-ийн зар сурталчилгаанд зураг байшингийн дүрсээр хайчлагдсан
   байдаг. Үүнийг clip-path-аар давтав — нэмэлт зураг шаардахгүй. */
.roofcut {
    clip-path: polygon(50% 0%, 100% 34%, 100% 100%, 0% 100%, 0% 34%);
}
.roofcut-soft {
    clip-path: polygon(50% 0%, 100% 22%, 100% 100%, 0% 100%, 0% 22%);
}

/* --- Дээврийн чимэглэлийн хээ (business card дээрхтэй адил санаа) ------- */
.roofpattern {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='104' viewBox='0 0 120 104'%3E%3Cg fill='none' stroke='%23B8AE66' stroke-width='1.4' stroke-opacity='.5'%3E%3Cpath d='M0 52 L30 26 L60 52 L90 26 L120 52'/%3E%3Cpath d='M0 104 L30 78 L60 104 L90 78 L120 104'/%3E%3Cpath d='M0 0 L30 -26 L60 0 L90 -26 L120 0'/%3E%3C/g%3E%3C/svg%3E");
    background-repeat: repeat;
}

/* --- Товч --------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 26px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: uppercase;
    line-height: 1;
    transition: background-color var(--t), color var(--t), border-color var(--t);
}
.btn-gold  { background: var(--faded); color: var(--evergreen); border-color: var(--faded); }
.btn-gold:hover  { background: #c6bc78; border-color: #c6bc78; }
.btn-green { background: var(--evergreen); color: var(--white); border-color: var(--evergreen); }
.btn-green:hover { background: var(--forest); border-color: var(--forest); }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--line-light); }
.btn-ghost:hover { border-color: var(--faded); color: var(--faded); }
.btn-outline { background: transparent; color: var(--evergreen); border-color: var(--evergreen); }
.btn-outline:hover { background: var(--evergreen); color: var(--white); }

/* --- Гарчгийн туслах шошго --------------------------------------------- */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--faded);
}
.eyebrow::before {
    content: '';
    width: 26px;
    height: 1px;
    background: currentColor;
}

.visually-hidden {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
    html { scroll-behavior: auto; }
}