/* =========================================================
   ALTERNATIFBUL.NET - ANA STİL DOSYASI
   ========================================================= */

:root {
    --altbul-bg: #fafafa;
    --altbul-white: #ffffff;
    --altbul-text: #18181b;
    --altbul-text-muted: #6b7280;
    --altbul-border: #e5e7eb;
    --altbul-primary: #4f46e5;
    --altbul-primary-dark: #4338ca;
    --altbul-primary-light: #eef2ff;
    --altbul-green: #059669;
    --altbul-green-bg: #ecfdf5;
    --altbul-blue: #2563eb;
    --altbul-blue-bg: #eff6ff;
    --altbul-purple: #7c3aed;
    --altbul-purple-bg: #f5f3ff;
    --altbul-orange: #d97706;
    --altbul-orange-bg: #fffbeb;
    --altbul-gray-bg: #f3f4f6;
    --altbul-radius: 12px;
    --altbul-shadow: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.06);
    --altbul-shadow-hover: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.06);
    --altbul-max: 1240px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--altbul-bg);
    color: var(--altbul-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
.altbul-container { max-width: var(--altbul-max); margin: 0 auto; padding: 0 20px; }

/* ---------- HEADER ---------- */
.altbul-header {
    background: var(--altbul-white);
    border-bottom: 1px solid var(--altbul-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.altbul-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    max-width: var(--altbul-max);
    margin: 0 auto;
    gap: 20px;
}
.altbul-logo { font-size: 20px; font-weight: 800; color: var(--altbul-text); display: flex; align-items: center; gap: 8px; }
.altbul-logo img { max-height: 36px; width: auto; }
.altbul-logo .altbul-logo-dot { color: var(--altbul-primary); }

.altbul-menu { display: flex; gap: 28px; align-items: center; }
.altbul-menu a { font-weight: 500; font-size: 14.5px; color: var(--altbul-text-muted); transition: color .15s; }
.altbul-menu a:hover, .altbul-menu li.current-menu-item > a { color: var(--altbul-text); }

.altbul-header-cta {
    background: var(--altbul-primary);
    color: #fff !important;
    padding: 9px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
}
.altbul-header-cta:hover { background: var(--altbul-primary-dark); }

.altbul-mobile-toggle {
    display: none;
    background: none;
    border: 1px solid var(--altbul-border);
    border-radius: 8px;
    padding: 8px 10px;
    cursor: pointer;
}

/* ---------- HERO ---------- */
.altbul-hero {
    text-align: center;
    padding: 64px 20px 40px;
    background: linear-gradient(180deg, #f5f5ff 0%, var(--altbul-bg) 100%);
    border-bottom: 1px solid var(--altbul-border);
}
.altbul-hero h1 {
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 14px;
}
.altbul-hero h1 span { color: var(--altbul-primary); }
.altbul-hero p {
    font-size: 17px;
    color: var(--altbul-text-muted);
    max-width: 560px;
    margin: 0 auto 28px;
}
.altbul-hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.altbul-hero-stats div { font-size: 13px; color: var(--altbul-text-muted); }
.altbul-hero-stats strong { display: block; font-size: 22px; color: var(--altbul-text); font-weight: 800; }

.altbul-search-box {
    max-width: 620px;
    margin: 0 auto;
    position: relative;
}
.altbul-search-box input[type="text"],
.altbul-search-box input[type="search"] {
    width: 100%;
    padding: 15px 20px 15px 46px;
    border-radius: 12px;
    border: 1px solid var(--altbul-border);
    font-size: 15px;
    background: var(--altbul-white);
    box-shadow: var(--altbul-shadow);
}
.altbul-search-box input:focus { outline: 2px solid var(--altbul-primary); border-color: transparent; }
.altbul-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--altbul-text-muted);
}

/* ---------- ÖNE ÇIKAN KATEGORİLER (chip'ler) ---------- */
.altbul-cat-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}
.altbul-cat-chip {
    padding: 7px 16px;
    border: 1px solid var(--altbul-border);
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 500;
    background: var(--altbul-white);
    transition: all .15s;
}
.altbul-cat-chip:hover { border-color: var(--altbul-primary); color: var(--altbul-primary); }

/* ---------- ANA İÇERİK LAYOUT (filtre + grid) ---------- */
.altbul-main-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    padding: 40px 20px 80px;
    max-width: var(--altbul-max);
    margin: 0 auto;
    align-items: start;
}

/* ---------- FİLTRE PANELİ ---------- */
.altbul-filters {
    background: var(--altbul-white);
    border: 1px solid var(--altbul-border);
    border-radius: var(--altbul-radius);
    padding: 20px;
    position: sticky;
    top: 84px;
}
.altbul-filters h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--altbul-text-muted);
    margin: 0 0 10px;
}
.altbul-filter-group { margin-bottom: 22px; }
.altbul-filter-group select,
.altbul-filter-group input {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--altbul-border);
    font-size: 14px;
    background: var(--altbul-white);
}
.altbul-mobile-filter-toggle { display: none; }

/* ---------- GRID + KARTLAR ---------- */
.altbul-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    gap: 12px;
    flex-wrap: wrap;
}
.altbul-toolbar-count { font-size: 14px; color: var(--altbul-text-muted); }

.altbul-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    transition: opacity .2s;
}
.altbul-grid.altbul-loading { opacity: .4; pointer-events: none; }

.altbul-card {
    background: var(--altbul-white);
    border: 1px solid var(--altbul-border);
    border-radius: var(--altbul-radius);
    padding: 20px;
    transition: box-shadow .15s, transform .15s;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.altbul-card:hover { box-shadow: var(--altbul-shadow-hover); transform: translateY(-2px); }

.altbul-card-top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.altbul-card-logo {
    width: 44px; height: 44px; border-radius: 10px; object-fit: cover;
    background: var(--altbul-gray-bg); flex-shrink: 0;
}
.altbul-card-title { font-size: 16px; font-weight: 700; margin: 0; }
.altbul-card-cat { font-size: 12.5px; color: var(--altbul-text-muted); }

.altbul-card-desc {
    font-size: 13.5px;
    color: var(--altbul-text-muted);
    margin: 0 0 14px;
    flex-grow: 1;
}

.altbul-card-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.altbul-badge {
    font-size: 11.5px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: 999px;
}
.altbul-badge-green  { background: var(--altbul-green-bg); color: var(--altbul-green); }
.altbul-badge-blue   { background: var(--altbul-blue-bg); color: var(--altbul-blue); }
.altbul-badge-purple { background: var(--altbul-purple-bg); color: var(--altbul-purple); }
.altbul-badge-orange { background: var(--altbul-orange-bg); color: var(--altbul-orange); }
.altbul-badge-gray   { background: var(--altbul-gray-bg); color: var(--altbul-text-muted); }
.altbul-badge-featured { background: #fef3c7; color: #b45309; }

.altbul-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--altbul-border);
    padding-top: 12px;
    margin-top: auto;
}
.altbul-stars { color: #f59e0b; letter-spacing: -1px; font-size: 14px; }
.altbul-stars-num { font-size: 12.5px; color: var(--altbul-text-muted); font-weight: 600; }
.altbul-card-link { font-size: 13px; font-weight: 600; color: var(--altbul-primary); }

.altbul-no-results { grid-column: 1 / -1; text-align: center; color: var(--altbul-text-muted); padding: 40px 0; }

.altbul-load-more-wrap { text-align: center; margin-top: 30px; }
.altbul-btn {
    display: inline-block;
    padding: 11px 26px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 1px solid var(--altbul-border);
    background: var(--altbul-white);
}
.altbul-btn-primary { background: var(--altbul-primary); border-color: var(--altbul-primary); color: #fff !important; }
.altbul-btn-primary:hover { background: var(--altbul-primary-dark); }

/* ---------- TEKİL YAZILIM SAYFASI ---------- */
.altbul-single-header {
    background: var(--altbul-white);
    border-bottom: 1px solid var(--altbul-border);
    padding: 40px 20px;
}
.altbul-single-header-inner { max-width: var(--altbul-max); margin: 0 auto; display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.altbul-single-logo { width: 84px; height: 84px; border-radius: 16px; object-fit: cover; background: var(--altbul-gray-bg); }
.altbul-single-title { font-size: 30px; font-weight: 800; margin: 0 0 6px; }
.altbul-single-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; color: var(--altbul-text-muted); font-size: 14px; }
.altbul-single-actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }

.altbul-single-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 36px;
    max-width: var(--altbul-max);
    margin: 0 auto;
    padding: 40px 20px 80px;
    align-items: start;
}
.altbul-single-content { background: var(--altbul-white); border: 1px solid var(--altbul-border); border-radius: var(--altbul-radius); padding: 30px; }
.altbul-single-content h2 { font-size: 20px; margin-top: 30px; }
.altbul-single-content h2:first-child { margin-top: 0; }
.altbul-features-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0; margin: 0; }
.altbul-features-list li { font-size: 14px; padding-left: 24px; position: relative; }
.altbul-features-list li:before { content: "✓"; position: absolute; left: 0; color: var(--altbul-green); font-weight: 700; }

.altbul-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 14px; }
.altbul-gallery img { border-radius: 10px; border: 1px solid var(--altbul-border); cursor: zoom-in; }

.altbul-sidebar-box { background: var(--altbul-white); border: 1px solid var(--altbul-border); border-radius: var(--altbul-radius); padding: 22px; margin-bottom: 20px; }
.altbul-sidebar-box h3 { font-size: 14px; text-transform: uppercase; letter-spacing: .03em; color: var(--altbul-text-muted); margin: 0 0 14px; }
.altbul-sidebar-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--altbul-border); font-size: 14px; }
.altbul-sidebar-row:last-child { border-bottom: none; }
.altbul-sidebar-row span:first-child { color: var(--altbul-text-muted); }

.altbul-related-item { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--altbul-border); }
.altbul-related-item:last-child { border-bottom: none; }
.altbul-related-item img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; background: var(--altbul-gray-bg); }
.altbul-related-item .altbul-related-title { font-size: 13.5px; font-weight: 600; }

/* ---------- KARŞILAŞTIRMA TABLOSU ---------- */
.altbul-compare-table-wrap { overflow-x: auto; }
.altbul-compare-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.altbul-compare-table th, .altbul-compare-table td { padding: 12px 14px; border: 1px solid var(--altbul-border); text-align: left; }
.altbul-compare-table th { background: var(--altbul-gray-bg); font-weight: 700; }

/* ---------- FORM (yazılım öner) ---------- */
.altbul-submit-form { max-width: 600px; margin: 0 auto; }
.altbul-alert { padding: 14px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.altbul-alert-success { background: var(--altbul-green-bg); color: var(--altbul-green); }
.altbul-alert-error { background: #fef2f2; color: #b91c1c; }
.altbul-form-group { margin-bottom: 18px; }
.altbul-form-group label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.altbul-form-group input, .altbul-form-group textarea {
    width: 100%; padding: 11px 14px; border-radius: 8px; border: 1px solid var(--altbul-border); font-size: 14px; font-family: inherit;
}
.altbul-form-group input:focus, .altbul-form-group textarea:focus { outline: 2px solid var(--altbul-primary); border-color: transparent; }

/* ---------- FOOTER ---------- */
.altbul-footer { background: var(--altbul-white); border-top: 1px solid var(--altbul-border); margin-top: 60px; }
.altbul-footer-inner { max-width: var(--altbul-max); margin: 0 auto; padding: 50px 20px 30px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.altbul-footer-widget h4 { font-size: 13px; text-transform: uppercase; color: var(--altbul-text-muted); margin: 0 0 14px; }
.altbul-footer-widget ul li { margin-bottom: 8px; font-size: 14px; }
.altbul-footer-bottom { border-top: 1px solid var(--altbul-border); text-align: center; padding: 18px 20px; font-size: 13px; color: var(--altbul-text-muted); }

/* ---------- SAYFALAMA / 404 ---------- */
.altbul-404 { text-align: center; padding: 100px 20px; }
.altbul-404 h1 { font-size: 60px; margin: 0; color: var(--altbul-primary); }

/* =========================================================
   RESPONSIVE - TABLET
   ========================================================= */
@media (max-width: 1024px) {
    .altbul-main-layout { grid-template-columns: 220px 1fr; gap: 22px; }
    .altbul-single-layout { grid-template-columns: 1fr; }
    .altbul-footer-inner { grid-template-columns: 1fr 1fr; }
}

/* =========================================================
   RESPONSIVE - MOBIL
   ========================================================= */
@media (max-width: 768px) {
    .altbul-hero h1 { font-size: 30px; }
    .altbul-hero p { font-size: 15px; }
    .altbul-menu { display: none; }
    .altbul-mobile-toggle { display: inline-flex; }

    .altbul-main-layout { grid-template-columns: 1fr; padding: 24px 16px 60px; }
    .altbul-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

    .altbul-filters {
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        z-index: 200;
        border-radius: 0;
        overflow-y: auto;
        display: none;
    }
    .altbul-filters.altbul-filters-open { display: block; }
    .altbul-mobile-filter-toggle {
        display: block;
        width: 100%;
        margin-bottom: 16px;
        padding: 12px;
        border-radius: 8px;
        border: 1px solid var(--altbul-border);
        background: var(--altbul-white);
        font-weight: 600;
        text-align: center;
    }

    .altbul-single-header-inner { flex-direction: column; text-align: center; }
    .altbul-single-actions { margin-left: 0; justify-content: center; width: 100%; }
    .altbul-single-layout { padding: 24px 16px 60px; }
    .altbul-features-list { grid-template-columns: 1fr; }
    .altbul-footer-inner { grid-template-columns: 1fr; padding: 40px 16px 20px; }
    .altbul-header-inner { padding: 12px 16px; }
    .altbul-hero { padding: 44px 16px 30px; }
}

@media (max-width: 480px) {
    .altbul-grid { grid-template-columns: 1fr; }
    .altbul-hero-stats { gap: 20px; }
    .altbul-card-top { align-items: flex-start; }
}

/* ---- Karşılaştırma butonu ve sabit alt çubuk ---- */
.altbul-compare-toggle {
    border: 1px solid var(--altbul-border);
    background: var(--altbul-white);
    color: var(--altbul-text-muted);
    font-size: 13px;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: color .15s, border-color .15s, background .15s;
}
.altbul-compare-toggle:hover { border-color: var(--altbul-primary); color: var(--altbul-primary); }
.altbul-compare-toggle.active {
    background: var(--altbul-primary-light);
    border-color: var(--altbul-primary);
    color: var(--altbul-primary-dark);
}

.altbul-compare-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 14px 20px;
    background: var(--altbul-text);
    color: var(--altbul-white);
    box-shadow: 0 -4px 16px rgba(0,0,0,.12);
}
.altbul-compare-bar span { font-size: 14.5px; }
.altbul-compare-bar strong { color: var(--altbul-white); }
.altbul-compare-bar .altbul-btn { padding: 8px 20px; }

@media (max-width: 480px) {
    .altbul-compare-bar { flex-direction: column; gap: 8px; padding: 12px 16px; }
}