/* =====================================================================
   جئوشهر — هاب کلیدواژه‌ها و محتوای مرتبط
   تم: سبز جنگلی عمیق + طلایی خورشیدی، با ترنزیشن‌های نرم و شیشه‌ای
   (مستقل از Tailwind؛ همه‌ی کلاس‌ها با پیشوند kh-)
   ===================================================================== */

.kh {
    --kh-950: #04180f;
    --kh-900: #062a1b;
    --kh-800: #0a3d28;
    --kh-700: #0f5a39;
    --kh-600: #177a4c;
    --kh-500: #22a063;
    --kh-400: #4cc98a;
    --kh-300: #8fe3b4;
    --kh-200: #c5f3d8;
    --kh-100: #e6fbef;
    --kh-gold: #f2c14e;
    --kh-gold-2: #ffdf8a;
    --kh-text: #eafff3;
    --kh-muted: rgba(230, 251, 239, .74);
    --kh-line: rgba(143, 227, 180, .2);
    --kh-ease: cubic-bezier(.2, .8, .2, 1);
    --kh-pattern: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220' viewBox='0 0 220 220' fill='none' stroke='%238fe3b4' stroke-opacity='.11' stroke-width='1.2'%3E%3Cpath d='M30 60c18-30 52-34 70-18-6 30-38 46-70 18z'/%3E%3Cpath d='M30 60c20-8 44-14 70-18'/%3E%3Cpath d='M140 150c26-34 62-30 76-6-14 26-52 38-76 6z'/%3E%3Cpath d='M140 150c24-6 48-6 76-6'/%3E%3Ccircle cx='170' cy='40' r='3'/%3E%3Ccircle cx='60' cy='170' r='2.5'/%3E%3C/svg%3E");

    position: relative;
    isolation: isolate;
    overflow: hidden;
    margin-top: 3.5rem;
    padding: 4.25rem 1rem 5rem;
    color: var(--kh-text);
    border-radius: 2.5rem 2.5rem 0 0;
    background:
        radial-gradient(1100px 520px at 88% -8%, rgba(76, 201, 138, .30), transparent 62%),
        radial-gradient(900px 480px at 4% 108%, rgba(242, 193, 78, .14), transparent 62%),
        linear-gradient(168deg, var(--kh-800) 0%, var(--kh-900) 48%, var(--kh-950) 100%);
    line-height: 1.8;
}

/* الگوی برگ‌های محو */
.kh::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: var(--kh-pattern);
    background-size: 220px;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
    opacity: .9;
}

/* خط نورانی بالا */
.kh::after {
    content: "";
    position: absolute;
    inset-inline: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--kh-gold) 22%, var(--kh-400) 60%, transparent);
    box-shadow: 0 0 26px 3px rgba(242, 193, 78, .45);
}

/* درخشش‌های شناور */
.kh__glow {
    position: absolute;
    z-index: -1;
    width: 26rem;
    height: 26rem;
    border-radius: 50%;
    filter: blur(70px);
    opacity: .38;
    pointer-events: none;
    animation: kh-float 16s ease-in-out infinite alternate;
}
.kh__glow--a { top: -8rem; inset-inline-start: -6rem; background: #1aa768; }
.kh__glow--b { bottom: -10rem; inset-inline-end: -5rem; background: #d9a82b; opacity: .22; animation-duration: 22s; animation-delay: -6s; }

@keyframes kh-float {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(3rem, 2rem, 0) scale(1.18); }
}

.kh *, .kh *::before, .kh *::after { box-sizing: border-box; }

.kh a { color: inherit; text-decoration: none; }

.kh a:focus-visible,
.kh button:focus-visible,
.kh [tabindex]:focus-visible {
    outline: 2px solid var(--kh-gold);
    outline-offset: 3px;
    border-radius: .75rem;
}

.kh__inner {
    position: relative;
    max-width: 80rem;
    margin-inline: auto;
}

/* فوتر بلافاصله بعد از هاب بیاید */
body:has(.kh) > footer {
    margin-top: 0;
    background: #04180f;
    border-top: 1px solid rgba(143, 227, 180, .14);
}


/* ---------------------------------------------------------------------
   سربرگ هاب
   --------------------------------------------------------------------- */
.kh__head {
    max-width: 52rem;
    margin: 0 auto 2rem;
    text-align: center;
}

.kh__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin: 0 0 1rem;
    padding: .38rem 1rem;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--kh-gold-2);
    border: 1px solid rgba(242, 193, 78, .4);
    border-radius: 999px;
    background: rgba(242, 193, 78, .08);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
}
.kh__eyebrow-ico { display: inline-block; animation: kh-sway 5s ease-in-out infinite; transform-origin: 50% 100%; }
.kh__eyebrow-region {
    padding: .05rem .6rem;
    border-radius: 999px;
    color: var(--kh-950);
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
}

@keyframes kh-sway {
    0%, 100% { transform: rotate(-8deg); }
    50%      { transform: rotate(10deg); }
}

.kh__title {
    margin: 0;
    font-size: clamp(1.55rem, 3.4vw, 2.5rem);
    font-weight: 900;
    line-height: 1.5;
    background: linear-gradient(120deg, #fff 10%, var(--kh-200) 45%, var(--kh-gold-2) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.kh__lead {
    margin: .85rem 0 0;
    font-size: 1rem;
    color: var(--kh-muted);
}


/* ---------------------------------------------------------------------
   ریبون کلیدواژه‌ها
   --------------------------------------------------------------------- */
.kh-chips { margin-bottom: 1rem; }

.kh-chips__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kh-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .45rem 1rem .45rem .5rem;
    font-weight: 700;
    font-size: .95rem;
    color: var(--kh-100);
    border: 1px solid var(--kh-line);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .03));
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: transform .35s var(--kh-ease), color .35s, border-color .35s, box-shadow .35s;
}
.kh-chip::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(120deg, var(--kh-gold-2), var(--kh-300));
    transform: translateX(105%);
    transition: transform .45s var(--kh-ease);
}
.kh-chip > * { position: relative; z-index: 1; }

.kh-chip__n {
    display: grid;
    place-items: center;
    width: 1.65rem;
    height: 1.65rem;
    font-size: .78rem;
    font-weight: 800;
    color: var(--kh-950);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
    box-shadow: 0 0 0 3px rgba(242, 193, 78, .18);
    transition: background .35s, box-shadow .35s;
}

.kh-chip--city .kh-chip__n   { background: linear-gradient(135deg, #fff, var(--kh-300)); }
.kh-chip--province .kh-chip__n { background: linear-gradient(135deg, var(--kh-200), var(--kh-400)); }
.kh-chip--region { border-color: rgba(242, 193, 78, .5); }
.kh-chip--word { border-style: dashed; }

.kh-chip:hover {
    transform: translateY(-3px);
    color: var(--kh-950);
    border-color: transparent;
    box-shadow: 0 12px 26px -10px rgba(242, 193, 78, .65);
}
.kh-chip:hover::before { transform: translateX(0); }
.kh-chip:hover .kh-chip__n { background: var(--kh-950); color: var(--kh-gold-2); box-shadow: 0 0 0 3px rgba(4, 24, 15, .2); }


/* ---------------------------------------------------------------------
   سربرگ هر بخش
   --------------------------------------------------------------------- */
.kh-sec { margin-top: 3.75rem; }

.kh-sec__head {
    position: relative;
    margin-bottom: 1.5rem;
    padding-inline-start: 1.1rem;
}
.kh-sec__head::before {
    content: "";
    position: absolute;
    inset-block: .35rem;
    inset-inline-start: 0;
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--kh-gold), var(--kh-400) 70%, transparent);
}

.kh-kicker {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    margin-bottom: .45rem;
    padding: .18rem .8rem;
    font-size: .76rem;
    font-weight: 800;
    color: var(--kh-300);
    border-radius: 999px;
    background: rgba(76, 201, 138, .12);
    border: 1px solid rgba(76, 201, 138, .28);
}

.kh-sec__title {
    margin: 0;
    font-size: clamp(1.2rem, 2.3vw, 1.75rem);
    font-weight: 900;
    line-height: 1.6;
    color: #fff;
}

.kh-sec__lead {
    max-width: 46rem;
    margin: .3rem 0 0;
    font-size: .92rem;
    color: var(--kh-muted);
}

.kh-more {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-top: 1.4rem;
    padding: .6rem 1.25rem;
    font-weight: 800;
    font-size: .9rem;
    color: var(--kh-950);
    border-radius: 999px;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
    box-shadow: 0 10px 26px -12px rgba(242, 193, 78, .8);
    transition: transform .35s var(--kh-ease), box-shadow .35s, gap .35s;
}
.kh-more:hover { transform: translateY(-3px); gap: .9rem; box-shadow: 0 16px 32px -12px rgba(242, 193, 78, .9); }


/* ---------------------------------------------------------------------
   کارت پایه
   --------------------------------------------------------------------- */
.kh-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    color: var(--kh-text);
    border: 1px solid var(--kh-line);
    border-radius: 1.3rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .025));
    box-shadow: 0 14px 34px -18px rgba(0, 0, 0, .75);
    transition: transform .5s var(--kh-ease), box-shadow .5s var(--kh-ease), border-color .5s;
    -webkit-tap-highlight-color: transparent;
}

/* نور ملایم دنبال‌کننده‌ی نشانگر (مقادیر --mx/--my را keyword-hub.js می‌دهد) */
.kh-card::before,
.kh-lane__card::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 0%), rgba(242, 193, 78, .17), transparent 70%);
    transition: opacity .45s;
}
.kh-card:hover::before,
.kh-lane__card:hover::before { opacity: 1; }

/* رگه‌ی نور هنگام هاور */
.kh-card::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    background: linear-gradient(115deg, transparent 38%, rgba(255, 255, 255, .16) 50%, transparent 62%);
    transform: translateX(130%);
    transition: transform 1s var(--kh-ease);
}

.kh-card:hover,
.kh-card:focus-visible {
    transform: translateY(-7px);
    border-color: rgba(242, 193, 78, .65);
    box-shadow:
        0 26px 48px -18px rgba(0, 0, 0, .8),
        0 0 0 1px rgba(242, 193, 78, .25),
        0 0 46px -12px rgba(76, 201, 138, .55);
}
.kh-card:hover::after,
.kh-card:focus-visible::after { transform: translateX(-130%); }

.kh-card__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, var(--kh-700), var(--kh-900));
}

.kh-card__media img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.001);
    transition: transform 1.1s var(--kh-ease), filter .6s;
    filter: saturate(1.05) contrast(1.02);
}
.kh-card:hover .kh-card__media img { transform: scale(1.1); filter: saturate(1.18) contrast(1.05); }

/* جایگزین بدون تصویر: گرادیان جنگلی + شمایل */
.kh-card__ph {
    position: absolute;
    inset: 0;
    z-index: 0;
    display: grid;
    place-items: center;
    font-size: 2.8rem;
    background:
        radial-gradient(60% 70% at 70% 20%, rgba(143, 227, 180, .35), transparent 70%),
        var(--kh-pattern),
        linear-gradient(135deg, var(--kh-600), var(--kh-900));
    background-size: auto, 160px, auto;
    text-shadow: 0 6px 24px rgba(0, 0, 0, .45);
}

.kh-card__shade {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, rgba(4, 24, 15, .0) 45%, rgba(4, 24, 15, .78) 100%);
    pointer-events: none;
}

.kh-card__tag {
    position: absolute;
    z-index: 4;
    top: .75rem;
    inset-inline-start: .75rem;
    max-width: calc(100% - 1.5rem);
    padding: .22rem .75rem;
    overflow: hidden;
    font-size: .72rem;
    font-weight: 800;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: var(--kh-gold-2);
    border: 1px solid rgba(242, 193, 78, .4);
    border-radius: 999px;
    background: rgba(4, 24, 15, .62);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
}

.kh-card__num {
    position: absolute;
    z-index: 4;
    bottom: .7rem;
    inset-inline-end: .8rem;
    display: grid;
    place-items: center;
    width: 2.1rem;
    height: 2.1rem;
    font-size: .95rem;
    font-weight: 900;
    color: var(--kh-950);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
    box-shadow: 0 6px 16px -4px rgba(0, 0, 0, .55);
}

.kh-card__body {
    position: relative;
    z-index: 4;
    flex: 1;
    padding: 1rem 1.15rem 1.25rem;
    padding-inline-end: 3.4rem;
}

.kh-card__title {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    font-size: 1.02rem;
    font-weight: 800;
    line-height: 1.75;
    color: #fff;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color .3s;
}
.kh-card:hover .kh-card__title { color: var(--kh-gold-2); }

.kh-card__desc {
    display: -webkit-box;
    margin: .25rem 0 0;
    overflow: hidden;
    font-size: .84rem;
    line-height: 1.9;
    color: var(--kh-muted);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.kh-card__go {
    position: absolute;
    inset-inline-end: 1rem;
    inset-block-end: 1.05rem;
    display: grid;
    place-items: center;
    width: 2.2rem;
    height: 2.2rem;
    color: var(--kh-300);
    border: 1px solid var(--kh-line);
    border-radius: 50%;
    background: rgba(255, 255, 255, .05);
    transition: transform .45s var(--kh-ease), background .35s, color .35s, border-color .35s;
}
.kh-card:hover .kh-card__go {
    transform: translateX(-5px) rotate(-8deg);
    color: var(--kh-950);
    border-color: transparent;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
}


/* ---------------------------------------------------------------------
   کادر ۱ — ویترین (feature): کارت بزرگ تمام‌تصویر + کارت‌های کناری
   --------------------------------------------------------------------- */
.kh-feature {
    display: grid;
    gap: 1.15rem;
    grid-template-columns: 1fr;
}

/* کارت‌های تمام‌تصویر با متن روی عکس */
.kh-card--hero,
.kh-card--lead,
.kh-card--tile {
    justify-content: flex-end;
}
.kh-card--hero .kh-card__media,
.kh-card--lead .kh-card__media,
.kh-card--tile .kh-card__media {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
}
.kh-card--hero .kh-card__shade,
.kh-card--lead .kh-card__shade,
.kh-card--tile .kh-card__shade {
    background: linear-gradient(180deg, rgba(4, 24, 15, .05) 25%, rgba(4, 24, 15, .94) 100%);
}
.kh-card--hero .kh-card__body,
.kh-card--lead .kh-card__body,
.kh-card--tile .kh-card__body {
    flex: 0 0 auto;
    padding-top: 4rem;
}

.kh-card--hero { min-height: 22rem; }
.kh-card--hero .kh-card__title { font-size: clamp(1.3rem, 2.4vw, 1.85rem); -webkit-line-clamp: 3; }
.kh-card--hero .kh-card__desc  { font-size: .95rem; -webkit-line-clamp: 3; }
.kh-card--hero .kh-card__tag   { font-size: .8rem; padding: .3rem .95rem; }

/* کارت کناری افقی */
.kh-card--side { flex-direction: row; align-items: stretch; }
.kh-card--side .kh-card__media { flex: 0 0 40%; aspect-ratio: auto; min-height: 9rem; }
.kh-card--side .kh-card__tag { display: none; }
.kh-card--side .kh-card__body { display: flex; flex-direction: column; justify-content: center; padding-inline-end: 3.2rem; }

@media (min-width: 56rem) {
    .kh-feature--n2 { grid-template-columns: 1.6fr 1fr; }
    .kh-feature--n2 .kh-card--side { flex-direction: column; }
    .kh-feature--n2 .kh-card--side .kh-card__media { flex: 0 0 auto; aspect-ratio: 16 / 10; }
    .kh-feature--n2 .kh-card--side .kh-card__tag { display: block; }

    .kh-feature--n3 { grid-template-columns: 1.55fr 1fr; grid-template-rows: 1fr 1fr; }
    .kh-feature--n3 .kh-card--hero { grid-row: 1 / span 2; min-height: 27rem; }
}


/* ---------------------------------------------------------------------
   کادر ۲ — نوار افقی (strip) با کارت‌های قوسی
   --------------------------------------------------------------------- */
.kh-strip {
    position: relative;
    display: flex;
    flex-direction: column-reverse;
    gap: .35rem;
}

.kh-strip__track {
    display: flex;
    gap: 1.1rem;
    padding: .6rem .25rem 1.4rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: .25rem;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 2.2rem, #000 calc(100% - 2.2rem), transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 2.2rem, #000 calc(100% - 2.2rem), transparent 100%);
}
.kh-strip__track::-webkit-scrollbar { display: none; }

.kh-strip__nav { display: flex; gap: .55rem; justify-content: flex-start; }

.kh-strip__btn {
    display: grid;
    place-items: center;
    width: 2.7rem;
    height: 2.7rem;
    color: var(--kh-300);
    cursor: pointer;
    border: 1px solid var(--kh-line);
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    transition: transform .35s var(--kh-ease), background .3s, color .3s, border-color .3s;
}
.kh-strip__btn:hover {
    transform: scale(1.1);
    color: var(--kh-950);
    border-color: transparent;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
}
.kh-strip__btn:active { transform: scale(.94); }

.kh-card--wide,
.kh-card--arch {
    flex: 0 0 clamp(15.5rem, 76vw, 19rem);
    scroll-snap-align: start;
}

.kh-card--arch {
    padding: .55rem .55rem 0;
    border-radius: 999px 999px 1.4rem 1.4rem;
    background:
        radial-gradient(120% 60% at 50% 0, rgba(143, 227, 180, .2), transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .02));
}
.kh-card--arch .kh-card__media {
    aspect-ratio: 4 / 4.6;
    border-radius: 999px 999px 1rem 1rem;
}
.kh-card--arch .kh-card__tag {
    inset-inline-start: 50%;
    top: auto;
    bottom: .8rem;
    transform: translateX(50%);
}
[dir="ltr"] .kh-card--arch .kh-card__tag,
:root:not([dir="rtl"]) .kh-card--arch .kh-card__tag { transform: translateX(-50%); }
.kh-card--arch .kh-card__num {
    top: 1.4rem;
    bottom: auto;
    inset-inline-end: auto;
    inset-inline-start: 50%;
    transform: translateX(50%);
    width: 2.4rem;
    height: 2.4rem;
}
[dir="ltr"] .kh-card--arch .kh-card__num,
:root:not([dir="rtl"]) .kh-card--arch .kh-card__num { transform: translateX(-50%); }
.kh-card--arch .kh-card__body { text-align: center; padding-inline: 1rem; padding-bottom: 1.3rem; }
.kh-card--arch .kh-card__go { display: none; }

.kh-card--wide .kh-card__media { aspect-ratio: 16 / 11; }


/* ---------------------------------------------------------------------
   کادر ۳ — کاشی‌ها (tiles)
   چیدمان به‌ازای «تعداد کاشی‌ها × تعداد ستون‌ها» محاسبه شده تا هیچ سلول
   خالی در شبکه نماند (کلاس kh-tiles--n{تعداد} را بلید می‌گذارد).
   --------------------------------------------------------------------- */
.kh-tiles {
    display: grid;
    gap: 1rem;
    grid-auto-flow: dense;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kh-card--tile { min-height: 14rem; border-radius: 1.6rem 1.6rem 1.6rem .6rem; }
.kh-card--tile .kh-card__body { padding: 3.5rem .9rem .95rem; padding-inline-end: 3rem; }
.kh-card--tile .kh-card__title { font-size: .98rem; -webkit-line-clamp: 2; }
.kh-card--tile .kh-card__desc { font-size: .78rem; -webkit-line-clamp: 2; }
.kh-card--tile .kh-card__go { inset-inline-end: .8rem; inset-block-end: .85rem; width: 2rem; height: 2rem; }

/* موبایل: ۲ ستون */
@media (max-width: 39.999rem) {
    .kh-tiles--n2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n3 > :nth-child(2) { grid-column: span 2; }
    .kh-tiles--n4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n5 > :nth-child(4) { grid-column: span 2; }
    .kh-tiles--n6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n7 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n7 > :nth-child(6) { grid-column: span 2; }
    .kh-tiles--n8 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n9 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n9 > :nth-child(8) { grid-column: span 2; }
    .kh-tiles--n10 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n11 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n11 > :nth-child(10) { grid-column: span 2; }
    .kh-tiles--n12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* تبلت: ۳ ستون */
@media (min-width: 40rem) and (max-width: 63.999rem) {
    .kh-tiles--n2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n4 > :nth-child(3) { grid-column: span 3; }
    .kh-tiles--n5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n5 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n5 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n5 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n5 > :nth-child(4) { grid-column: span 2; }
    .kh-tiles--n6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n6 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n6 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n6 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n7 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n7 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n7 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n7 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n7 > :nth-child(6) { grid-column: span 3; }
    .kh-tiles--n8 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n8 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n8 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n8 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n8 > :nth-child(7) { grid-column: span 2; }
    .kh-tiles--n9 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n9 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n9 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n9 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n10 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n10 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n10 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n10 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n10 > :nth-child(9) { grid-column: span 3; }
    .kh-tiles--n11 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n11 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n11 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n11 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n11 > :nth-child(10) { grid-column: span 2; }
    .kh-tiles--n12 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n12 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n12 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n12 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
}

/* دسکتاپ: ۴ ستون */
@media (min-width: 64rem) {
    .kh-tiles--n2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .kh-tiles--n3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .kh-tiles--n4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n5 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n5 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n5 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n5 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n6 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n6 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n6 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n6 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n6 > :nth-child(6) { grid-column: span 4; }
    .kh-tiles--n7 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n7 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n7 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n7 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n7 > :nth-child(6) { grid-column: span 3; }
    .kh-tiles--n8 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n8 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n8 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n8 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n8 > :nth-child(7) { grid-column: span 2; }
    .kh-tiles--n9 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n9 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n9 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n9 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n10 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n10 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n10 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n10 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n10 > :nth-child(10) { grid-column: span 4; }
    .kh-tiles--n11 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n11 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n11 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n11 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n11 > :nth-child(10) { grid-column: span 3; }
    .kh-tiles--n12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .kh-tiles--n12 > :nth-child(1) { grid-column: span 2; grid-row: span 2; min-height: 100%; }
    .kh-tiles--n12 > :nth-child(1) .kh-card__title { font-size: 1.45rem; }
    .kh-tiles--n12 > :nth-child(1) .kh-card__desc { font-size: .92rem; }
    .kh-tiles--n12 > :nth-child(11) { grid-column: span 2; }
}


/* ---------------------------------------------------------------------
   کادر ۴ — ژورنال مقاله‌ها (mag)
   --------------------------------------------------------------------- */
.kh-mag {
    display: grid;
    gap: 1.15rem;
    grid-template-columns: 1fr;
}
@media (min-width: 56rem) { .kh-mag { grid-template-columns: 1.15fr 1fr; align-items: stretch; } }

.kh-card--lead { min-height: 24rem; }
.kh-card--lead .kh-card__title { font-size: clamp(1.25rem, 2.2vw, 1.7rem); -webkit-line-clamp: 3; }
.kh-card--lead .kh-card__desc { font-size: .92rem; -webkit-line-clamp: 3; }

.kh-mag__list { display: grid; gap: .85rem; align-content: start; }

.kh-card--row { flex-direction: row; align-items: stretch; border-radius: 1.1rem; }
.kh-card--row .kh-card__media { flex: 0 0 7.2rem; aspect-ratio: auto; min-height: 6.6rem; }
.kh-card--row .kh-card__tag { display: none; }
.kh-card--row .kh-card__shade { background: linear-gradient(90deg, rgba(4, 24, 15, 0), rgba(4, 24, 15, .35)); }
.kh-card--row .kh-card__num {
    top: .5rem;
    bottom: auto;
    inset-inline-end: auto;
    inset-inline-start: .5rem;
    width: 1.7rem;
    height: 1.7rem;
    font-size: .8rem;
}
.kh-card--row .kh-card__body { display: flex; flex-direction: column; justify-content: center; padding-block: .8rem; padding-inline-end: 3rem; }
.kh-card--row .kh-card__title { font-size: .95rem; }
.kh-card--row .kh-card__desc { font-size: .8rem; -webkit-line-clamp: 1; }
.kh-card--row .kh-card__go { inset-block-end: auto; inset-block-start: 50%; margin-top: -1.1rem; }


/* ---------------------------------------------------------------------
   کادر ۵ — مسیر پیشنهادی (lanes): تایم‌لاین جنگلی
   --------------------------------------------------------------------- */
.kh-lanes {
    position: relative;
    display: grid;
    gap: 1.1rem;
    margin: 0;
    padding: 0;
    padding-inline-start: 3.6rem;
    list-style: none;
}
.kh-lanes::before {
    content: "";
    position: absolute;
    inset-block: 1.2rem;
    inset-inline-start: 1.2rem;
    width: 2px;
    background: repeating-linear-gradient(180deg, var(--kh-gold) 0 9px, transparent 9px 18px);
    opacity: .75;
}

.kh-lane { position: relative; }

.kh-lane__node {
    position: absolute;
    top: 1.25rem;
    inset-inline-start: -3.6rem;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    font-weight: 900;
    line-height: 1;
    color: var(--kh-950);
}
.kh-lane__node::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: 50% 50% 50% 8%;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
    box-shadow: 0 0 0 5px rgba(242, 193, 78, .18), 0 10px 22px -6px rgba(0, 0, 0, .6);
    transform: rotate(-45deg);
    transition: transform .5s var(--kh-ease);
}
.kh-lane:hover .kh-lane__node::before { transform: rotate(0deg) scale(1.12); }

.kh-lane__card {
    position: relative;
    display: grid;
    grid-template-columns: 8rem 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: .75rem;
    padding-inline-end: 1rem;
    overflow: hidden;
    border: 1px solid var(--kh-line);
    border-radius: 1.3rem;
    background: linear-gradient(100deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .025));
    box-shadow: 0 14px 34px -18px rgba(0, 0, 0, .75);
    transition: transform .5s var(--kh-ease), border-color .5s, box-shadow .5s;
}
.kh-lane__card:hover {
    transform: translateX(-6px);
    border-color: rgba(242, 193, 78, .65);
    box-shadow: 0 26px 48px -18px rgba(0, 0, 0, .8), 0 0 46px -12px rgba(76, 201, 138, .5);
}

.kh-lane__thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 1rem;
    background: linear-gradient(135deg, var(--kh-700), var(--kh-900));
}
.kh-lane__thumb img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s var(--kh-ease);
}
.kh-lane__card:hover .kh-lane__thumb img { transform: scale(1.12); }
.kh-lane__thumb .kh-card__ph { font-size: 2rem; }

.kh-lane__body { min-width: 0; }
.kh-lane__kicker {
    display: inline-block;
    margin-bottom: .15rem;
    font-size: .74rem;
    font-weight: 800;
    color: var(--kh-gold-2);
}
.kh-lane__title {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    font-size: 1.02rem;
    font-weight: 800;
    line-height: 1.75;
    color: #fff;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color .3s;
}
.kh-lane__card:hover .kh-lane__title { color: var(--kh-gold-2); }
.kh-lane__desc {
    display: -webkit-box;
    margin: .1rem 0 0;
    overflow: hidden;
    font-size: .83rem;
    line-height: 1.85;
    color: var(--kh-muted);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.kh-lane__card .kh-card__go { position: static; }
.kh-lane__card:hover .kh-card__go {
    transform: translateX(-5px) rotate(-8deg);
    color: var(--kh-950);
    border-color: transparent;
    background: linear-gradient(135deg, var(--kh-gold-2), var(--kh-gold));
}

@media (max-width: 40rem) {
    .kh-lanes { padding-inline-start: 3rem; }
    .kh-lane__node { inset-inline-start: -3rem; width: 2.1rem; height: 2.1rem; }
    .kh-lanes::before { inset-inline-start: 1.05rem; }
    .kh-lane__card { grid-template-columns: 5.6rem 1fr; }
    .kh-lane__card .kh-card__go { display: none; }
}


/* ---------------------------------------------------------------------
   ورود تدریجی (فقط وقتی جاوااسکریپت فعال است؛ بدون JS همه‌چیز دیده می‌شود)
   --------------------------------------------------------------------- */
.kh.kh--js .kh-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .9s var(--kh-ease), transform .9s var(--kh-ease);
}
.kh.kh--js .kh-reveal.is-in { opacity: 1; transform: none; }

@keyframes kh-rise {
    from { opacity: 0; transform: translateY(22px) scale(.97); }
    to   { opacity: 1; transform: none; }
}
.kh.kh--js .kh-sec.is-in .kh-card,
.kh.kh--js .kh-sec.is-in .kh-lane { animation: kh-rise .8s var(--kh-ease) backwards; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(2),
.kh.kh--js .kh-sec.is-in .kh-lane:nth-child(2) { animation-delay: .08s; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(3),
.kh.kh--js .kh-sec.is-in .kh-lane:nth-child(3) { animation-delay: .16s; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(4),
.kh.kh--js .kh-sec.is-in .kh-lane:nth-child(4) { animation-delay: .24s; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(5) { animation-delay: .32s; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(6) { animation-delay: .4s; }
.kh.kh--js .kh-sec.is-in .kh-card:nth-child(n+7) { animation-delay: .48s; }


/* ---------------------------------------------------------------------
   موبایل و دسترس‌پذیری
   --------------------------------------------------------------------- */
@media (max-width: 40rem) {
    .kh { padding: 3.25rem .85rem 4rem; border-radius: 1.75rem 1.75rem 0 0; }
    .kh-sec { margin-top: 3rem; }
    .kh-card--hero { min-height: 19rem; }
    .kh-card--lead { min-height: 20rem; }
    .kh-card--side .kh-card__media { flex-basis: 38%; }
}

@media (prefers-reduced-motion: reduce) {
    .kh *, .kh *::before, .kh *::after {
        animation: none !important;
        transition: none !important;
    }
    .kh.kh--js .kh-reveal { opacity: 1; transform: none; }
    .kh-strip__track { scroll-behavior: auto; }
}

@media print { .kh { display: none; } }