.clientes-section {
    padding: 130px 0 100px;
    background-color: var(--bg);
    color: var(--text);
}

.clientes-header {
    text-align: center;
    margin-bottom: 36px;
    position: relative;
}

.clientes-header::before {
    content: "";
    position: absolute;
    inset: -70px -60px -30px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400' preserveAspectRatio='none'%3E%3Cg fill='none' stroke='%23ff9800' stroke-width='1.5'%3E%3Cpath stroke-opacity='.22' d='M0 90 C 280 20, 620 160, 1200 70'/%3E%3Cpath stroke-opacity='.14' d='M0 190 C 380 260, 780 120, 1200 210'/%3E%3Cpath stroke-opacity='.18' d='M0 300 C 300 370, 720 240, 1200 330'/%3E%3Cpath stroke-opacity='.10' d='M0 140 C 450 60, 800 220, 1200 130'/%3E%3C/g%3E%3C/svg%3E") center / 100% 100% no-repeat;
    pointer-events: none;
    z-index: 0;
}

.clientes-header > * {
    position: relative;
    z-index: 1;
}

html.dark-mode .clientes-header::before { opacity: 0.55; }

.clientes-header .badge {
    background: var(--icon-bg);
    color: var(--orange);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
}

.clientes-header h2 {
    font-size: 40px;
    margin: 18px 0 12px;
    font-weight: 800;
    letter-spacing: 0;
}

.clientes-header p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.6;
    max-width: 640px;
    margin: 0 auto;
}

/* Toolbar: busca + contagem (fixa no topo ao rolar) */
.clientes-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto 32px;
    position: sticky;
    top: 92px;
    z-index: 40;
    padding: 12px 16px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

html.dark-mode .clientes-toolbar {
    background: rgba(18, 18, 18, 0.72);
}

.clientes-search {
    position: relative;
    flex: 1 1 320px;
    max-width: 460px;
}

.clientes-search i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 15px;
    pointer-events: none;
}

.clientes-search input {
    width: 100%;
    padding: 12px 18px 12px 46px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-light);
    color: var(--text);
    font-size: 15px;
    outline: none;
    transition: 0.25s;
}

html.dark-mode .clientes-search input { background: var(--bg-card); }

.clientes-search input:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 4px var(--shadow-orange);
}

.clientes-count {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.clientes-count strong { color: var(--orange); }

/* Grid de cards */
.clientes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    align-items: stretch;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.cliente-card {
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    gap: 18px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.cliente-card[hidden] { display: none; }

html.dark-mode .cliente-card { background: var(--bg-card); }

.cliente-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 46px rgba(15, 23, 42, 0.14);
    border-color: var(--orange);
}

/* Cabeçalho do card */
.cliente-top {
    display: flex;
    align-items: center;
    gap: 14px;
}

.cliente-badge {
    flex: 0 0 50px;
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 16px;
    color: var(--orange-dark);
    background: var(--orange-soft);
    border: 1px solid rgba(255, 152, 0, 0.25);
    letter-spacing: 0.5px;
}

html.dark-mode .cliente-badge { color: var(--orange); }

.cliente-info { min-width: 0; }

.cliente-name {
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 0;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

/* Meta: lista vertical (site / telefone / CNPJ) */
.cliente-meta {
    display: flex;
    flex-direction: column;
    gap: 9px;
    font-size: 13.5px;
    color: var(--text-secondary);
}

.cliente-meta > a,
.cliente-meta > .cliente-cnpj {
    display: flex;
    align-items: center;
    gap: 9px;
    min-width: 0;
    color: var(--text-secondary);
    text-decoration: none;
    overflow-wrap: anywhere;
}

.cliente-meta > a:hover { color: var(--orange); }

.cliente-meta i {
    flex: 0 0 16px;
    width: 16px;
    text-align: center;
    color: var(--orange);
    font-size: 13px;
}

.cliente-meta span { min-width: 0; overflow-wrap: anywhere; }

.cliente-cnpj span {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.3px;
}

/* Links dos sistemas */
.cliente-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 4px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

.sys-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 13px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text);
    background: var(--icon-bg);
    border: 1px solid var(--border);
    transition: 0.2s ease;
}

.sys-link i { font-size: 13px; color: inherit; transition: color 0.2s ease; }

.sys-link:hover {
    background: var(--orange);
    color: #fff !important;
    border-color: var(--orange);
    transform: translateY(-2px);
}

.sys-link:hover i { color: #fff !important; }

/* Ordem fixa dos sistemas em todos os cards */
.sys-flow       { order: 1; }
.sys-integrador { order: 2; }
.sys-scpi       { order: 3; }
.sys-transp     { order: 4; }
.sys-portal     { order: 5; }
.sys-iss        { order: 6; }
.sys-sip        { order: 7; }
.sys-sia        { order: 8; }
.sys-trib       { order: 9; }

/* Tintura por tipo de sistema */
.sys-flow       { background: rgba(245, 158, 11, 0.12); border-color: rgba(245, 158, 11, 0.30); color: #92400e; }
.sys-integrador { background: rgba(239, 68, 68, 0.10);  border-color: rgba(239, 68, 68, 0.26);  color: #b91c1c; }
.sys-scpi       { background: rgba(59, 130, 246, 0.10); border-color: rgba(59, 130, 246, 0.28); color: #1d4ed8; }
.sys-transp     { background: rgba(20, 184, 166, 0.10); border-color: rgba(20, 184, 166, 0.30); color: #0f766e; }
.sys-portal     { background: rgba(99, 102, 241, 0.10); border-color: rgba(99, 102, 241, 0.26); color: #4338ca; }
.sys-iss        { background: rgba(34, 197, 94, 0.10);  border-color: rgba(34, 197, 94, 0.30);  color: #15803d; }
.sys-sip        { background: rgba(139, 92, 246, 0.10); border-color: rgba(139, 92, 246, 0.26); color: #6d28d9; }
.sys-sia        { background: rgba(225, 29, 72, 0.10);  border-color: rgba(225, 29, 72, 0.26);  color: #be123c; }
.sys-trib       { background: rgba(234, 179, 8, 0.12);  border-color: rgba(234, 179, 8, 0.32);  color: #a16207; }

html.dark-mode .sys-flow       { color: #fbbf24; }
html.dark-mode .sys-integrador { color: #f87171; }
html.dark-mode .sys-scpi       { color: #60a5fa; }
html.dark-mode .sys-transp     { color: #2dd4bf; }
html.dark-mode .sys-portal     { color: #a5b4fc; }
html.dark-mode .sys-iss        { color: #4ade80; }
html.dark-mode .sys-sip        { color: #c4b5fd; }
html.dark-mode .sys-sia        { color: #fb7185; }
html.dark-mode .sys-trib       { color: #facc15; }

/* Separadores por letra */
.letter-sep {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 22px 0 -4px;
}

.letter-sep:first-child { margin-top: 0; }

.letter-sep[hidden] { display: none; }

.letter-sep .letter {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 800;
    color: var(--orange-dark);
    background: var(--orange-soft);
}

html.dark-mode .letter-sep .letter { color: var(--orange); }

.letter-sep .line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.letter-sep .letter-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.clientes-empty {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin: 50px auto;
}

@media (max-width: 768px) {
    .clientes-header h2 { font-size: 30px; }
    .clientes-section { padding: 110px 0 80px; }
    .clientes-toolbar { justify-content: center; }
}

@media (max-width: 520px) {
    .clientes-grid { grid-template-columns: 1fr; }
    .cliente-card { padding: 20px; }
}