/* ==========================================================================
   SELECTOR PAGE — selector.css
   ========================================================================== */

/* ===== HERO ===== */
.sl-hero {
    min-height: 380px;
    position: relative;
    display: flex;
    align-items: center;
    background: url('../img/industrial-foundry.webp') center center / cover no-repeat;
    padding-top: 90px;
    overflow: hidden;
}

.sl-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 48, 135, 0.4);
    z-index: 1;
}

.sl-hero .container { position: relative; z-index: 2; }

.sl-hero-inner { padding: 55px 0 45px; width: 100%; }

.sl-hero-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
    line-height: 1.1;
    animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.sl-hero-title span { color: rgba(255,255,255,0.65); }

.sl-hero-sub {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    max-width: 100%;
    line-height: 1.7;
    margin-bottom: 0;
    animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}

.sl-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.75);
    margin-top: 24px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 8px 18px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    animation: heroFadeUp 0.6s cubic-bezier(0.16,1,0.3,1) 0.1s both;
}

.sl-breadcrumb a { color: rgba(255,255,255,0.80); }
.sl-breadcrumb a:hover { color: #fff; }
.sl-breadcrumb span { color: #ffffff; font-weight: 700; }
.sl-breadcrumb i.fa-chevron-right { font-size: 0.55rem; color: rgba(255,255,255,0.4); }

/* ===== HOW TO USE ===== */
.sl-howto {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    padding: 56px 0 48px;
}

.sl-howto-header {
    text-align: center;
    margin-bottom: 40px;
}

.sl-howto-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(0,48,135,0.07);
    color: var(--corporate-blue);
    border: 1px solid rgba(0,48,135,0.15);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.sl-howto-title {
    font-size: 1.7rem;
    font-weight: 900;
    color: #1e293b;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.sl-howto-title span { color: var(--corporate-blue); }

.sl-howto-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
}

.sl-howto-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 28px 28px 24px;
    border-right: 1px solid #e2e8f0;
    background: #fff;
    transition: background 0.2s;
}

.sl-howto-item:last-child { border-right: none; }
.sl-howto-item:hover { background: #f8fafc; }

.sl-howto-icon {
    width: 44px;
    height: 44px;
    background: rgba(0,48,135,0.08);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corporate-blue);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.sl-howto-num {
    font-size: 0.62rem;
    font-weight: 800;
    color: var(--corporate-blue);
    opacity: 0.35;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    line-height: 1;
    font-family: var(--font-headings);
}

.sl-howto-text h4 {
    font-size: 0.9rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 5px;
}

.sl-howto-text p {
    font-size: 0.78rem;
    color: #64748b;
    line-height: 1.55;
}

/* ===== MAIN SELECTOR ===== */
.sl-main {
    background: #f8fafc;
    padding: 60px 0 70px;
}

/* Series tabs wrapper for fade effect */
.sl-tabs-wrapper {
    position: relative;
    margin-bottom: 36px;
}

.sl-tabs-wrapper::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 2px;
    width: 48px;
    background: linear-gradient(to right, transparent, #f8fafc);
    pointer-events: none;
}

/* Series Tabs */
.sl-series-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e2e8f0;
    margin-bottom: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.sl-series-tabs::-webkit-scrollbar { display: none; }

.sl-stab {
    padding: 14px 24px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.sl-stab:hover { color: var(--corporate-blue); }

.sl-stab.active {
    color: var(--corporate-blue);
    border-bottom-color: var(--corporate-blue);
    background: rgba(0,48,135,0.04);
}

/* Series info bar */
.sl-series-info {
    background: rgba(0,48,135,0.05);
    border: 1px solid rgba(0,48,135,0.12);
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 0.8rem;
    color: #475569;
    margin-bottom: 20px;
    display: none;
}

.sl-series-info.visible { display: block; }
.sl-series-info strong { color: var(--corporate-blue); }

/* Search row */
.sl-search-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 24px;
}

.sl-search-wrap {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.sl-search-wrap > i {
    position: absolute;
    left: 14px;
    color: #94a3b8;
    font-size: 0.85rem;
    pointer-events: none;
}

.sl-search-input {
    width: 100%;
    padding: 11px 40px 11px 38px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: #1e293b;
    background: #f8fafc;
    transition: border-color 0.2s, background 0.2s;
}

.sl-search-input:focus {
    outline: none;
    border-color: var(--corporate-blue);
    background: #fff;
}

.sl-search-clear {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 0.85rem;
    display: none;
    padding: 4px;
}

.sl-search-clear.visible { display: block; }

.sl-reset-btn {
    padding: 10px 18px;
    background: none;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    color: #64748b;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.sl-reset-btn:hover {
    border-color: var(--corporate-blue);
    color: var(--corporate-blue);
}

/* Result actions */
.sl-result-actions {
    display: flex;
    gap: 0;
}

.sl-enquiry-btn { flex: 1; }

.sl-copy-btn {
    padding: 16px 22px;
    background: rgba(255,255,255,0.12);
    border: none;
    border-left: 1px solid rgba(255,255,255,0.2);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sl-copy-btn:hover { background: rgba(255,255,255,0.22); }
.sl-copy-btn.copied { background: #16a34a; }

/* Panel */
.sl-panel {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 36px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

/* Inputs row */
.sl-inputs {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 32px;
}

.sl-input-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px;
    transition: border-color 0.2s;
}

.sl-input-card:focus-within {
    border-color: var(--corporate-blue);
    background: #ffffff;
}

.sl-input-icon {
    width: 40px;
    height: 40px;
    background: rgba(0,48,135,0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corporate-blue);
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.sl-input-body { flex: 1; }

.sl-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #64748b;
    margin-bottom: 8px;
}

.sl-select-wrap { position: relative; }

.sl-select {
    width: 100%;
    padding: 10px 36px 10px 14px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color 0.2s;
}

.sl-select:focus { border-color: var(--corporate-blue); outline: none; }

.sl-select-wrap::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.7rem;
    pointer-events: none;
}

.sl-or {
    font-size: 0.72rem;
    font-weight: 800;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-align: center;
}

.sl-result-img {
    padding: 20px 24px;
    text-align: center;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #e2e8f0;
}

.sl-result-img img {
    max-height: 230px;
    object-fit: contain;
    border-radius: 8px;
}

/* Result */
.sl-result {
    display: none;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    overflow: hidden;
    animation: fadeIn 0.4s ease;
}

.sl-result.active { display: block; }

.sl-result-header {
    background: var(--corporate-blue);
    color: #ffffff;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.sl-result-header i { font-size: 1rem; }

.sl-result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid #e2e8f0;
}

.sl-result-item {
    padding: 18px 20px;
    border-right: 1px solid #e2e8f0;
    border-bottom: 1px solid #e2e8f0;
}

.sl-result-item:nth-child(4n) { border-right: none; }

.sl-result-item.highlight { background: rgba(0,48,135,0.03); }

.sl-result-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #94a3b8;
    margin-bottom: 6px;
}

.sl-result-val {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #1e293b;
}

.sl-result-item.highlight .sl-result-val {
    color: var(--corporate-blue);
    font-size: 1.05rem;
}

.sl-enquiry-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: var(--corporate-blue);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: background 0.2s;
}

.sl-enquiry-btn:hover { background: #002a67; color: #fff; }

.sl-find-btn {
    padding: 13px 40px;
    background: var(--corporate-blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, transform 0.15s;
}

.sl-find-btn:hover { background: #002a67; transform: translateY(-1px); }
.sl-find-btn:active { transform: translateY(0); }

/* Empty state */
.sl-empty {
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
}

.sl-empty i {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
    opacity: 0.4;
}

.sl-empty p {
    font-size: 0.9rem;
    max-width: 420px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== CTA ===== */
.sl-cta {
    background: var(--corporate-blue);
    padding: 56px 0;
}

.sl-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}

.sl-cta-inner h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
}

.sl-cta-inner p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.8);
    max-width: 460px;
}

.sl-cta-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.sl-cta .btn-secondary {
    border-color: rgba(255,255,255,0.4) !important;
    color: #ffffff !important;
    background: rgba(255,255,255,0.1) !important;
}

.sl-cta .btn-secondary:hover {
    background: rgba(255,255,255,0.2) !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .sl-result-grid { grid-template-columns: repeat(2, 1fr); }
    .sl-result-item:nth-child(4n) { border-right: 1px solid #e2e8f0; }
    .sl-result-item:nth-child(2n) { border-right: none; }
    .sl-inputs { grid-template-columns: 1fr; gap: 12px; }
    .sl-or { display: none; }
}

@media (max-width: 768px) {
    .sl-hero { padding-top: 68px; min-height: 260px; }
    .sl-hero-title { font-size: 1.6rem; }
    .sl-hero-inner { padding: 36px 0 28px; }
    .sl-hero-sub { font-size: 0.86rem; }
    .sl-howto { padding: 36px 0 30px; }
    .sl-howto-grid { grid-template-columns: 1fr 1fr; }
    .sl-howto-item { border-right: none; border-bottom: 1px solid #e2e8f0; padding: 20px 18px; }
    .sl-howto-item:nth-child(odd) { border-right: 1px solid #e2e8f0; }
    .sl-howto-item:last-child { border-bottom: none; }
    .sl-howto-title { font-size: 1.15rem; }
    .sl-main { padding: 36px 0 50px; }
    .sl-panel { padding: 16px; }
    .sl-result-grid { grid-template-columns: 1fr 1fr; }
    .sl-series-tabs { gap: 0; }
    .sl-stab { padding: 10px 11px; font-size: 0.66rem; }
    .sl-search-row { flex-wrap: wrap; }
    .sl-reset-btn { width: 100%; justify-content: center; }
    .sl-cta { padding: 40px 0; }
    .sl-cta-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
    .sl-cta-btns { width: 100%; flex-direction: column; }
    .sl-cta-btns .btn { width: 100%; justify-content: center; }
    .sl-result-actions { flex-direction: column; }
    .sl-copy-btn { border-left: none; border-top: 1px solid rgba(255,255,255,0.2); justify-content: center; }
    .sl-result-item { padding: 14px 14px; }
}

@media (max-width: 480px) {
    .sl-hero-title { font-size: 1.3rem; }
    .sl-hero-sub { font-size: 0.8rem; }
    .sl-howto-grid { grid-template-columns: 1fr; }
    .sl-howto-item { border-right: none !important; border-bottom: 1px solid #e2e8f0; }
    .sl-howto-item:last-child { border-bottom: none; }
    .sl-result-grid { grid-template-columns: 1fr; }
    .sl-result-item { border-right: none !important; }
    .sl-stab { padding: 8px 9px; font-size: 0.6rem; }
    .sl-panel { padding: 12px; }
}