:root {
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-border: rgba(255, 255, 255, 0.5);
    --solar-gold: #FDB813;
    --solar-amber: #F59E0B;
    --charcoal: #1F2937;
    --pearl: #F9FAFB;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f7f4;
    color: var(--charcoal);
    overflow-x: hidden;
}
button, .button{
    cursor: pointer;
}
 p a{
  color:   #FDB813;
 }
/* ── Markdown-контент (goldmark / Toast UI) ───────────────
   Повертає форматування, яке прибирає preflight Tailwind:
   маркери списків та жирність <strong>. Селектори з класом
   мають вищу специфічність, тож перекривають reset незалежно
   від порядку підключення main.css/style.css. */
.markdown-body ul { list-style: disc; padding-left: 1.5rem; }
.markdown-body ol { list-style: decimal; padding-left: 1.5rem; }
.markdown-body li { margin: 0.25rem 0; }
.markdown-body li > ul, .markdown-body li > ol { margin-top: 0.25rem; }
.markdown-body b, .markdown-body strong { font-weight: 700; }
.markdown-body em { font-style: italic; }
.markdown-body a { color: #FDB813; text-decoration: underline; }
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4 { font-weight: 600; line-height: 1.3; }
.markdown-body h1 { font-size: 1.5rem; }
.markdown-body h2 { font-size: 1.25rem; }
.markdown-body h3 { font-size: 1.125rem; }
.markdown-body blockquote { border-left: 3px solid #FDB813; padding-left: 1rem; color: #6b7280; }
.markdown-body code { font-family: monospace; background: rgba(0,0,0,.05); padding: .1em .3em; border-radius: .25rem; }
.markdown-body img { max-width: 100%; border-radius: .5rem; }
/* ── Ambient background ───────────────────────────────── */
    .bg-ambient {
      position: fixed; inset: 0; z-index: -1;
      background:
        radial-gradient(ellipse 80% 60% at 10% -10%, rgba(252,211,77,.18) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 110%, rgba(251,191,36,.12) 0%, transparent 55%),
        #f8f7f4;
    }
/* Apple Liquid Glass Aesthetics */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
}

.glass-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.glass-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    border-color: rgba(253, 184, 19, 0.3);
}

.filters-wrapper .glass-card.active{
    border: 2px solid oklch(87.9% 0.169 91.605);
}

.luminous-depth {
    background: radial-gradient(circle at 50% -20%, rgba(253, 184, 19, 0.15), transparent 70%),
                radial-gradient(circle at 0% 100%, rgba(255, 255, 255, 0.8), transparent 50%);
}

.solar-gradient-text {
    background: linear-gradient(135deg, #f59e0b, #ffc300);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-right: 3px;
}

.floating-layer {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Refined Buttons */
.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    background: white;
    border: 1px solid rgba(0,0,0,0.05);
}

.btn-premium::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
}

.btn-premium:hover::after {
    left: 100%;
}

/* Background atmospheric elements */
.sun-glow {
    position: fixed;
    top: -20vh;
    right: -10vw;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(251, 191, 36, .13) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.sky-drift {
    position: fixed;
    bottom: -10vh;
    left: -10vw;
    width: 50vw;
    height: 50vw;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(147, 197, 253, .09) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.article-layout {
    grid-template-columns: minmax(0, 1fr);
}

.article-layout > * {
    min-width: 0;
}

@media (min-width: 1024px) {
    .article-layout:has(> aside),
    .article-layout:has(> .article-aside),
    .article-layout:has(> [data-aside]) {
        grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr);
    }
}
.lbl {
    font-size: 10px; letter-spacing: 0.1em;
    text-transform: uppercase; color: #9ca3af; font-weight: 500;
    display: block; margin-bottom: 6px;
}
.step-num {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: oklch(98.7% 0.022 95.277);
    color: #f59e0b;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
}

.section-image{
    height: 100%;
    min-height: 300px;
    width: 100%;
    position: relative;
}

.section-image img{
    position: absolute;
    left: 0;
    top: 0;
    object-position: center;
    object-fit: cover;
    height: 100%;
}
.spec-row { display:flex; justify-content:space-between; align-items:flex-start; padding:.6rem 0; border-bottom:1px solid rgba(0,0,0,.05); gap:.75rem; }
    .spec-row:last-child { border-bottom:none; }
    .spec-key { font-size:12px; color:#9ca3af; flex-shrink:0;   font-weight:400; }
    .spec-val { font-size:13px; color:#111827; text-align:right; }
    .spec-val.hi { color:#d97706; font-weight:500; }
.quote-block {
    border-left: 2px solid #fbbf24;
    padding-left: 1.25rem;
}
.btn-dark{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #111827;
    color: #fff;
    padding: .9rem 2rem;
    border-radius: 9999px;
    font-size: .875rem;
    font-weight: 400;
    border: none;
    cursor: pointer;
    transition: background .2s, box-shadow .2s;
    text-decoration: none;
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .55);
    color: #374151;
    border: 1px solid rgba(255, 255, 255, .8);
    backdrop-filter: blur(16px);
    padding: .9rem 2rem;
    border-radius: 9999px;
    font-size: .875rem;
    font-weight: 400;
    cursor: pointer;
    transition: background .2s;
    text-decoration: none;
}
 .thumb { cursor: pointer; transition: opacity 0.2s, ring 0.2s; }
    .thumb:hover { opacity: 0.85; }
    .thumb.active { ring: 2px; ring-color: #f59e0b; }
    /* Tabs */
    .tab-btn {
      padding: 0.3rem 1.2rem; border-radius: 9999px;
      font-size: 0.8rem; font-weight: 400; cursor: pointer;
           --tw-tracking: .14em;
    letter-spacing: .14em;
         font-size: 10px;
         font-weight: 800;
         text-transform: uppercase;
    }
    .tab-btn.active {
      background: oklch(98.7% 0.022 95.277);   color: var(--color-amber-600);;  
    }
    .tab-btn:not(.active):hover {
      background: rgba(255,255,255,.55); border-color: rgba(255,255,255,.8);
    }
    .tab-panel { display: none; }
    .tab-panel.active { display: block; }
    /* Spec rows */
    .spec-row {
      display: flex; justify-content: space-between; align-items: center;
      padding: 0.75rem 0; border-bottom: 1px solid rgba(0,0,0,.05);
      gap: 1rem;
    }
    .spec-row:last-child { border-bottom: none; }
    .spec-key { font-size: 12px; color: #9ca3af; font-weight: 400; flex-shrink: 0; }
    .spec-val { font-size: 13px; color: #111827; font-weight: 400; text-align: right; }
    .spec-val.amber { color: #d97706; font-weight: 500; }
    /* Accordion */
    .acc-btn {
      width: 100%; display: flex; align-items: center; justify-content: space-between;
      padding: 1rem 0; cursor: pointer; background: none; border: none;
      border-bottom: 1px solid rgba(0,0,0,.06); text-align: left;
    }
    .acc-btn span { font-size: 14px; font-weight: 500; color: #111827; }
    .acc-icon { width: 18px; height: 18px; flex-shrink: 0; transition: transform 0.3s; color: #9ca3af; }
    .acc-body { display: none; padding: 0.75rem 0 1rem; }
    .acc-body.open { display: block; }
    .acc-icon.open { transform: rotate(180deg); }
    @keyframes fadeUp {
      from { opacity:0; transform:translateY(16px); }
      to   { opacity:1; transform:translateY(0); }
    }
   .dot-sep {
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #f59e0b;
}
.btn-open-seo-modal:hover, .btn-open-seo-modal:hover svg{
    color: #d97706;
}
/* Плавний ефект для вибору опцій */
    .calc-option label {
        display: flex;
        align-items: flex-start;
        gap: 0.6rem;
        cursor: pointer;
        padding: 0.65rem 0.85rem;
        border-radius: 0.875rem;
        border: 1px solid transparent;
        transition: background 0.15s, border-color 0.15s;
        font-size: 13px;
        font-weight: 300;
        color: #374151;
        line-height: 1.55;
    }
    /* Стиль для вибраного радіо (якщо не використовуєте Peer з Tailwind) */
    .calc-option input:checked + label {
       background: rgba(251, 191, 36, .10);
        border-color: rgba(251, 191, 36, .4);
        color: #111827;
        box-shadow: none;
    }
    .calc-option input:checked + label::before {
        border-color: #fbbf24;
        background: radial-gradient(circle, #fbbf24 40%, transparent 40%);
    }
    .calc-option label::before {
        content: '';
        width: 14px;
        height: 14px;
        border-radius: 50%;
        border: 1.5px solid #d1d5db;
        flex-shrink: 0;
        margin-top: 2px;
        transition: border-color 0.15s, background 0.15s;
    }

     /* ── Sidebar ─────────────────────────────────────────── */
    #filtersPanel {
      border-radius: 1.75rem;
      padding: 1.5rem;
      position: sticky;
      top: calc(4rem + 1rem);
      max-height: calc(100vh - 6rem);
      overflow-y: auto;
      scrollbar-width: thin;
      scrollbar-color: rgba(0,0,0,.1) transparent;
    }
    #filtersPanel::-webkit-scrollbar { width: 4px; }
    #filtersPanel::-webkit-scrollbar-track { background: transparent; }
    #filtersPanel::-webkit-scrollbar-thumb { background: rgba(0,0,0,.1); border-radius: 4px; }

    /* Sidebar top row */
    .sidebar-header {
      display: flex; align-items: center; justify-content: space-between;
      padding-bottom: 1rem;
      border-bottom: 1px solid rgba(0,0,0,.07);
      margin-bottom: .75rem;
    }
    .sidebar-header h2 {
      font-size: .95rem; font-weight: 600; margin: 0;
      letter-spacing: -.01em; color: #111827;
    }
    .sidebar-meta {
      font-size: .65rem; text-transform: uppercase;
      letter-spacing: .09em; color: #9ca3af; margin: .5rem 0 .15rem;
    }
    .sidebar-count {
      font-size: .85rem; font-weight: 500; color: #374151;
      margin: 0 0 1rem;
    }
    #resetFilters {
      font-size: .72rem; font-weight: 500; color: #9ca3af;
      background: none; border: none; cursor: pointer;
      padding: .3rem .7rem; border-radius: 9999px;
      transition: background .15s, color .15s;
      white-space: nowrap;
    }
    #resetFilters:hover { background: #f3f4f6; color: #374151; }

    /* ── Filter accordion ────────────────────────────────── */
    #filtersForm fieldset {
      border: none; margin: 0; padding: 0;
      border-bottom: 1px solid rgba(0,0,0,.06);
    }
    #filtersForm fieldset:last-of-type { border-bottom: none; }

    #filtersForm legend {
      all: unset;
      display: flex; align-items: center;
      width: 100%; box-sizing: border-box;
      font-size: 14px; font-weight: 600;
   
      color: #4b5563;
      padding: .7rem 0;
      cursor: pointer; user-select: none;
      gap: .5rem;
    }
    .legend-text { flex: 1; }

    .legend-arrow {
      width: .85rem; height: .85rem; flex-shrink: 0;
      color: #c4c8d0;
      transition: transform .25s cubic-bezier(.4,0,.2,1), color .15s;
    }
    .legend-arrow svg { display: block; width: 100%; height: 100%; }

    #filtersForm legend.is-open .legend-arrow { transform: rotate(180deg); color: #6b7280; }
    #filtersForm legend:hover { color: #d97706; cursor: pointer;}
    #filtersForm legend:hover .legend-arrow { color: #9ca3af; }

    /* Badge */
    .filter-badge {
      display: inline-flex; align-items: center; justify-content: center;
      min-width: 1rem; height: 1rem; padding: 0 .3rem;
      border-radius: 9999px;
      background: #fbbf24; color: #fff;
      font-size: .58rem; font-weight: 700; line-height: 1;
    }

    /* Collapsible body */
    .filter-body {
      overflow: hidden;
      display: none;
      grid-template-rows: 0fr;
      transition: grid-template-rows .28s cubic-bezier(.4,0,.2,1);
      opacity: 0;
      transition: grid-template-rows .28s cubic-bezier(.4,0,.2,1), opacity .2s ease;
    }
    .filter-body > div { min-height: 0; }
    .filter-body.is-open {
      grid-template-rows: 1fr;
      opacity: 1;
      display: grid;
    }
    .filter-body-inner {
      display: flex; flex-direction: column; gap: .25rem;
      padding-bottom: .85rem;
    }

    /* Checkbox row */
   #filtersForm label {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .1rem .4rem;
    border-radius: .55rem;
    cursor: pointer;
    transition: background .12s;
}
    #filtersForm label:hover { background: rgba(251,191,36,.09); }
    #filtersForm label span {
      font-size: .78rem; color: #4b5563;
      line-height: 1.4;
      transition: color .12s;
    }
    #filtersForm label:hover span { color: #111827; }

    /* Custom checkbox */
    #filtersForm input[type="checkbox"] {
      appearance: none; -webkit-appearance: none;
      width: 1rem; height: 1rem;
      border-radius: .28rem; border: 1.5px solid #d1d5db;
      background: #fff; flex-shrink: 0; cursor: pointer;
      transition: background .15s, border-color .15s, box-shadow .15s;
      position: relative;
    }
    #filtersForm input[type="checkbox"]:checked {
      background: #fbbf24; border-color: #fbbf24;
      box-shadow: 0 0 0 2.5px rgba(251,191,36,.22);
    }
    #filtersForm input[type="checkbox"]:checked::after {
      content: '';
      position: absolute; inset: 0;
      background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6l2.5 2.5 4.5-5' stroke='%23fff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") center/75% no-repeat;
    }
    #filtersForm input[type="checkbox"]:focus-visible {
      outline: none; box-shadow: 0 0 0 3px rgba(251,191,36,.35);
    }

/* Missing Tailwind utility classes not in current style.css build */
.h-\[240px\] { height: 240px; }
.h-\[280px\] { height: 280px; }
.p-0 { padding: 0; }

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:py-4 { padding-top: 1rem; padding-bottom: 1rem; }
  .md\:text-lg { font-size: 1.125rem; line-height: 1.75rem; }
  .md\:p-7 { padding: 1.75rem; }
  .md\:p-8 { padding: 2rem; }
  .md\:h-auto { height: auto; }
  .md\:h-\[420px\] { height: 420px; }
  .md\:aspect-square { aspect-ratio: 1 / 1; }
  .md\:mb-10 { margin-bottom: 2.5rem; }
  .md\:gap-3 { gap: 0.75rem; }
  .md\:p-6 { padding: 1.5rem; }
}