/**
 * LiftKeys - Data Merkezi (Technical Hub & Downloads) Stylesheet
 * Clean Industrial Canvas, Orange Accents, Compact & Balanced Spacing
 */

:root {
    --lk-brand: #f77f00;
    --lk-brand-hover: #e06d00;
    --lk-brand-light: rgba(247, 127, 0, 0.08);
    --lk-brand-subtle: rgba(247, 127, 0, 0.16);
    --lk-brand-gradient: linear-gradient(135deg, #f77f00 0%, #ff9e3b 100%);
    
    --lk-ink: #0f172a;
    --lk-ink-body: #334155;
    --lk-ink-muted: #64748b;
    
    --lk-bg-white: #ffffff;
    --lk-bg-surface: #f8fafc;
    --lk-border: rgba(15, 23, 42, 0.08);
    --lk-border-hover: rgba(247, 127, 0, 0.35);
    
    --lk-shadow-sm: 0 1px 4px rgba(15, 23, 42, 0.04);
    --lk-shadow-card: 0 2px 10px rgba(15, 23, 42, 0.05);
    --lk-shadow-hover: 0 10px 24px -4px rgba(15, 23, 42, 0.09);
    
    --lk-radius-sm: 8px;
    --lk-radius-md: 14px;
    --lk-radius-lg: 20px;
    --lk-transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.datacenter-page-wrapper {
    background-color: var(--lk-bg-surface);
    color: var(--lk-ink-body);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ==========================================================================
   1. HERO SECTION & LIVE SEARCH (COMPACT, NO GIANT MARGINS)
   ========================================================================== */
.datacenter-hero {
    background: radial-gradient(circle at 50% 0%, #fff7ed 0%, #ffffff 80%);
    padding: 30px 0 22px;
    position: relative;
    border-bottom: 1px solid var(--lk-border);
    text-align: center;
}

.datacenter-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--lk-brand-light);
    color: var(--lk-brand);
    border: 1px solid var(--lk-brand-subtle);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.datacenter-hero h1 {
    color: var(--lk-ink);
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    font-weight: 800;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
    line-height: 1.25;
}

.datacenter-hero .hero-lead {
    color: var(--lk-ink-muted);
    font-size: 0.95rem;
    max-width: 680px;
    margin: 0 auto 18px;
    line-height: 1.5;
}

/* Search Box Container */
.hero-search-wrapper {
    max-width: 620px;
    margin: 0 auto;
    position: relative;
}

.hero-search-input-group {
    background: #ffffff;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    border-radius: 40px;
    padding: 6px 14px 6px 20px;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
    transition: var(--lk-transition);
}

.hero-search-input-group:focus-within {
    border-color: var(--lk-brand);
    box-shadow: 0 6px 20px rgba(247, 127, 0, 0.16);
    background: #ffffff;
}

.hero-search-input-group .search-icon {
    font-size: 1.05rem;
    color: var(--lk-ink-muted);
    margin-right: 12px;
}

.hero-search-input-group input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-size: 0.92rem;
    color: var(--lk-ink);
    font-weight: 500;
}

.hero-search-input-group input::placeholder {
    color: #94a3b8;
    font-size: 0.88rem;
}

.hero-search-input-group .clear-search-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.05rem;
    cursor: pointer;
    display: none;
    padding: 0 4px;
    transition: var(--lk-transition);
}

.hero-search-input-group .clear-search-btn:hover {
    color: var(--lk-ink);
}

/* ==========================================================================
   2. FILTER TOOLBAR (CATEGORIES & DOC TYPES)
   ========================================================================== */
.datacenter-toolbar {
    background: #ffffff;
    border-bottom: 1px solid var(--lk-border);
    padding: 14px 0 12px;
}

/* Ana Kategori Butonları (Pills) */
.filter-pills-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.filter-pill {
    background: #f1f5f9;
    border: 1px solid rgba(15, 23, 42, 0.07);
    color: var(--lk-ink-body);
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.84rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    transition: var(--lk-transition);
    user-select: none;
}

.filter-pill i {
    font-size: 0.95rem;
    color: var(--lk-brand);
    transition: var(--lk-transition);
}

.filter-pill .pill-icon-img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    vertical-align: middle;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.filter-pill:hover .pill-icon-img {
    transform: scale(1.15);
}

.filter-pill.active .pill-icon-img {
    filter: brightness(1.2);
}

.filter-pill:hover {
    background: #e2e8f0;
    color: var(--lk-ink);
    border-color: rgba(15, 23, 42, 0.12);
}

.filter-pill.active {
    background: var(--lk-brand);
    border-color: var(--lk-brand);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(247, 127, 0, 0.22);
}

.filter-pill.active i {
    color: #ffffff;
}

.filter-pill .pill-count {
    background: rgba(0, 0, 0, 0.08);
    color: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 12px;
}

.filter-pill.active .pill-count {
    background: rgba(255, 255, 255, 0.28);
    color: #ffffff;
}

/* İkincil Doküman Türü Filtresi (Subfilter) */
.subfilter-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.subfilter-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--lk-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 4px;
    display: inline-flex;
    align-items: center;
}

.subfilter-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--lk-ink-muted);
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--lk-transition);
    user-select: none;
}

.subfilter-btn:hover {
    background: #f1f5f9;
    color: var(--lk-ink);
}

.subfilter-btn.active {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ==========================================================================
   3. DOKÜMAN KARTLARI IZGARASI
   ========================================================================== */
.datacenter-content {
    padding: 22px 0 50px;
}

.doc-grid-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.doc-grid-count {
    font-size: 0.88rem;
    color: var(--lk-ink-muted);
    font-weight: 500;
}

.doc-grid-count strong {
    color: var(--lk-ink);
    font-weight: 700;
}

/* Doküman Kartı */
.doc-card {
    background: #ffffff;
    border: 1px solid var(--lk-border);
    border-radius: var(--lk-radius-md);
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--lk-shadow-card);
    transition: var(--lk-transition);
    position: relative;
}

.doc-card:hover {
    border-color: var(--lk-border-hover);
    box-shadow: var(--lk-shadow-hover);
    transform: translateY(-2px);
}

/* Kart Üst Bar: İkon ve Rozetler */
.doc-card-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.doc-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    flex-shrink: 0;
}

.doc-icon-box.icon-pdf {
    background: #fef2f2;
    color: #dc2626;
}
.doc-icon-box.icon-cad {
    background: #eff6ff;
    color: #2563eb;
}
.doc-icon-box.icon-cert {
    background: #f0fdf4;
    color: #16a34a;
}
.doc-icon-box.icon-excel {
    background: #f0fdf4;
    color: #15803d;
}
.doc-icon-box.icon-word {
    background: #eff6ff;
    color: #1d4ed8;
}
.doc-icon-box.icon-ppt {
    background: #fff1f2;
    color: #e11d48;
}
.doc-icon-box.icon-zip {
    background: #fffbeb;
    color: #d97706;
}
.doc-icon-box.icon-image {
    background: #f0fdfa;
    color: #0d9488;
}
.doc-icon-box.icon-video {
    background: #fef2f2;
    color: #b91c1c;
}
.doc-icon-box.icon-code {
    background: #f1f5f9;
    color: #0f172a;
}
.doc-icon-box.icon-other {
    background: #f8fafc;
    color: #64748b;
}

.doc-badges-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.doc-standard-badge {
    background: #0f172a;
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.3px;
}

.doc-type-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
}

/* Kart İçerik: Kategori, Başlık, Açıklama */
.doc-category-badge {
    font-size: 0.74rem;
    color: var(--lk-brand);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.doc-category-badge .badge-icon-img {
    width: 16px;
    height: 16px;
    object-fit: contain;
    vertical-align: middle;
    margin-right: 2px;
}

.doc-card-title {
    color: var(--lk-ink);
    font-size: 1.02rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 8px;
    transition: var(--lk-transition);
}

.doc-card:hover .doc-card-title {
    color: var(--lk-brand);
}

.doc-card-desc {
    color: var(--lk-ink-muted);
    font-size: 0.84rem;
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Kart Alt Bar: Metadata & İndir Butonu */
.doc-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--lk-border);
    margin-top: auto;
}

.doc-meta {
    font-size: 0.78rem;
    color: var(--lk-ink-muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.doc-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.doc-download-btn {
    background: var(--lk-brand);
    color: #ffffff;
    border: none;
    border-radius: 25px;
    padding: 6px 16px;
    font-size: 0.84rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: var(--lk-transition);
}

.doc-download-btn:hover {
    background: var(--lk-brand-hover);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(247, 127, 0, 0.3);
    transform: translateY(-1px);
}

/* Sonuç Bulunamadı Kartı */
.no-results-card {
    background: #ffffff;
    border: 1px dashed rgba(15, 23, 42, 0.18);
    border-radius: var(--lk-radius-md);
    padding: 50px 20px;
    text-align: center;
}

.no-results-card i {
    font-size: 3rem;
    color: #cbd5e1;
    margin-bottom: 12px;
}

/* ==========================================================================
   4. TEKNİK SSS BÖLÜMÜ
   ========================================================================== */
.datacenter-faq-section {
    background: #ffffff;
    border-top: 1px solid var(--lk-border);
    padding: 40px 0 50px;
}

.datacenter-faq-section .section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 30px;
}

.datacenter-faq-section .section-header h2 {
    color: var(--lk-ink);
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.datacenter-faq-section .section-header p {
    color: var(--lk-ink-muted);
    font-size: 0.92rem;
}

.faq-accordion .accordion-item {
    border: 1px solid var(--lk-border);
    border-radius: 12px !important;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq-accordion .accordion-button {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--lk-ink);
    padding: 14px 18px;
}

.faq-accordion .accordion-button:not(.collapsed) {
    color: var(--lk-brand);
    background-color: var(--lk-brand-light);
}

.faq-accordion .accordion-body {
    font-size: 0.88rem;
    color: var(--lk-ink-body);
    line-height: 1.6;
    padding: 14px 18px;
}

/* ==========================================================================
   5. B2B ENGINEERING CTA
   ========================================================================== */
.datacenter-cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    padding: 40px 0;
    text-align: center;
}

.datacenter-cta-section h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.datacenter-cta-section p {
    color: #cbd5e1;
    font-size: 0.92rem;
    max-width: 600px;
    margin: 0 auto 20px;
}

.btn-cta-orange {
    background: var(--lk-brand);
    color: #ffffff;
    font-weight: 700;
    padding: 10px 26px;
    border-radius: 30px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--lk-transition);
}

.btn-cta-orange:hover {
    background: var(--lk-brand-hover);
    color: #ffffff;
    box-shadow: 0 6px 18px rgba(247, 127, 0, 0.35);
}

/* Responsive Düzenlemeler */
@media (max-width: 768px) {
    .datacenter-hero {
        padding: 22px 0 16px;
    }
    .datacenter-hero h1 {
        font-size: 1.45rem;
    }
    .filter-pills-row {
        gap: 6px;
    }
    .filter-pill {
        padding: 5px 11px;
        font-size: 0.78rem;
    }
    .doc-card {
        padding: 16px;
    }
}

/* ==========================================================================
   DOWNLOAD LEAD MODAL
   ========================================================================== */
.download-modal-dialog {
    max-width: 480px;
    margin: 1.75rem auto;
}

.download-modal-content {
    border-radius: 18px;
    background: #ffffff;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.16) !important;
}

.modal-brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #fff7ed;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.selected-doc-banner {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.lead-input {
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 0.9rem;
    color: var(--lk-ink);
    transition: var(--lk-transition);
    background: #ffffff;
}

.lead-input:focus {
    border-color: var(--lk-brand);
    box-shadow: 0 0 0 3px rgba(247, 127, 0, 0.15);
    outline: none;
    background: #ffffff;
}

.btn-lead-submit {
    background: var(--lk-brand);
    border: none;
    font-size: 0.92rem;
    letter-spacing: 0.3px;
    transition: var(--lk-transition);
}

.btn-lead-submit:hover {
    background: var(--lk-brand-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(247, 127, 0, 0.3);
}

.btn-lead-submit:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

/* ==========================================================================
   INTL-TEL-INPUT (ÜLKE KODU VE BAYRAK SEÇİCİ)
   ========================================================================== */
.iti {
    width: 100%;
    display: block;
}

.iti__flag {
    background-image: url("https://cdnjs.cloudflare.com/ajax/libs/intl-tel-input/18.2.1/img/flags.png");
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .iti__flag {
        background-image: url("https://cdnjs.cloudflare.com/ajax/libs/intl-tel-input/18.2.1/img/flags@2x.png");
    }
}

.iti__country-list {
    z-index: 99999 !important;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
    border: 1px solid #e2e8f0;
    max-height: 220px;
    font-size: 0.88rem;
}

.iti--separate-dial-code .iti__selected-flag {
    background-color: #f8fafc;
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
    border-right: 1.5px solid #e2e8f0;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 0 10px;
}

.iti--separate-dial-code .iti__selected-dial-code {
    color: var(--lk-ink);
    font-weight: 700;
    margin-left: 6px;
}

.iti--separate-dial-code input.lead-input {
    padding-left: 88px !important;
}