/* ==========================================================================
   SERIES DETAIL PAGE — series.css
   ========================================================================== */

/* ===== HERO ===== */
.sr-hero {
    min-height: clamp(220px, 40vh, 400px);
    position: relative;
    display: flex;
    align-items: center;
    background: url('../img/industrial-foundry.webp') center center / cover no-repeat;
    padding-top: 90px;
    overflow: hidden;
}

.sr-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 48, 135, 0.5);
    z-index: 1;
}

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

.sr-hero-inner {
    max-width: 100%;
    width: 100%;
    padding: 55px 0 50px;
}

.sr-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
    animation: heroFadeUp 0.6s cubic-bezier(0.16,1,0.3,1) 0.1s both;
}

.sr-hero-title {
    font-size: clamp(2.1rem, 5vw + 1rem, 3.6rem);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 16px;
    animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.sr-hero-title span { color: rgba(255,255,255,0.55); }

.sr-hero-sub {
    font-size: 1rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.75;
    max-width: 600px;
    margin-bottom: 0;
    animation: heroFadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}

.sr-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: 26px;
    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) 0.45s both;
}

.sr-breadcrumb a { color: rgba(255,255,255,0.80); }
.sr-breadcrumb a:hover { color: #ffffff; }
.sr-breadcrumb span { color: #ffffff; font-weight: 700; }
.sr-breadcrumb i.fa-chevron-right { font-size: 0.55rem; color: rgba(255,255,255,0.35); }

/* ===== MAIN LAYOUT ===== */
.sr-main {
    background: #f8fafc;
    padding: 60px 0 80px;
}

.sr-layout {
    display: grid;
    grid-template-columns: 1fr 270px;
    gap: 32px;
    align-items: flex-start;
    width: 100%;
    box-sizing: border-box;
}

/* ===== SIDEBAR ===== */
.sr-sidebar {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 110px;
    order: 2;
    min-width: 0;
    box-sizing: border-box;
}

.sr-sidebar-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    min-width: 0;
    box-sizing: border-box;
}

.sr-sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 13px 18px;
    background: var(--corporate-blue);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
}

.sr-series-nav { display: flex; flex-direction: column; padding: 6px 0; }

.sr-series-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    font-size: 0.83rem;
    font-weight: 600;
    color: #475569;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sr-series-link i { font-size: 0.5rem; color: #cbd5e1; transition: color 0.2s; }

.sr-series-link:hover {
    color: var(--corporate-blue);
    background: rgba(0,48,135,0.04);
    border-left-color: rgba(0,48,135,0.25);
}

.sr-series-link:hover i { color: var(--corporate-blue); }

.sr-series-link.active {
    color: var(--corporate-blue);
    background: rgba(0,48,135,0.07);
    border-left-color: var(--corporate-blue);
    font-weight: 700;
}

.sr-series-link.active i { color: var(--corporate-blue); }

/* Quick Specs */
.sr-qs-list { display: flex; flex-direction: column; }

.sr-qs-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 9px 18px;
    border-bottom: 1px solid #f1f5f9;
    gap: 8px;
}

.sr-qs-item:last-child { border-bottom: none; }

.sr-qs-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.sr-qs-val {
    font-size: 0.8rem;
    font-weight: 700;
    color: #1e293b;
    text-align: right;
}

.sr-enquiry-btn {
    display: flex;
    width: calc(100% - 36px);
    margin: 14px 18px 16px;
    justify-content: center;
    font-size: 0.82rem;
}

/* ISO card */
.sr-iso-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 22px 20px;
    gap: 8px;
    overflow: visible;
}

.sr-iso-icon {
    font-size: 2rem;
    color: var(--corporate-blue);
    margin-bottom: 4px;
}

.sr-iso-card strong {
    font-size: 1rem;
    font-weight: 800;
    color: #1e293b;
}

.sr-iso-card span {
    font-size: 0.75rem;
    color: #64748b;
    line-height: 1.5;
}

/* ===== CONTENT ===== */
.sr-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
    order: 1;
    min-width: 0;
    box-sizing: border-box;
}

/* Section title */
.sr-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--corporate-blue);
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}

/* ===== INTRO 2-COL ===== */
.sr-intro-block {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 40px;
    align-items: center;
    overflow: hidden;
    box-sizing: border-box;
    min-width: 0;
}

.sr-intro-img {
    position: relative;
    border-radius: 12px;
    overflow: visible;
}

.sr-intro-img img {
    width: 100%;
    border-radius: 12px;
    display: block;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    object-fit: cover;
}

.sr-intro-img-badge {
    position: absolute;
    bottom: -16px;
    right: -16px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.1);
    z-index: 2;
}

.sr-intro-img-badge i { font-size: 1.4rem; color: var(--corporate-blue); }
.sr-intro-img-badge strong { display: block; font-size: 0.82rem; font-weight: 800; color: #1e293b; }
.sr-intro-img-badge span { font-size: 0.68rem; color: #64748b; }

.sr-series-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--corporate-blue);
    background: rgba(0,48,135,0.07);
    border: 1px solid rgba(0,48,135,0.15);
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.sr-heading {
    font-size: 1.55rem;
    font-weight: 900;
    color: #1e293b;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
    line-height: 1.2;
}

.sr-text {
    font-size: 0.9rem;
    color: #475569;
    line-height: 1.8;
    margin-bottom: 12px;
}

.sr-intro-checks {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 18px;
}

.sr-intro-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1e293b;
}

.sr-intro-check i { color: var(--corporate-blue); font-size: 0.85rem; flex-shrink: 0; }

.sr-intro-btns {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.sr-btn-ghost-dark {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    color: #475569;
    background: #ffffff;
    transition: all 0.2s;
}

.sr-btn-ghost-dark:hover {
    border-color: var(--corporate-blue);
    color: var(--corporate-blue);
}

/* ===== FEATURES ===== */
.sr-features {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sr-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.sr-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: 10px;
    transition: all 0.2s;
}

.sr-feature-item:hover {
    border-color: rgba(0,48,135,0.2);
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(0,48,135,0.06);
}

.sr-feature-icon {
    width: 38px;
    height: 38px;
    background: rgba(0,48,135,0.08);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corporate-blue);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.sr-feature-item strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 4px;
}

.sr-feature-item p {
    font-size: 0.76rem;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
}

/* ===== SEALS ===== */
.sr-seals {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sr-seals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.sr-seal-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 22px 16px 20px;
    text-align: center;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.sr-seal-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--corporate-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.sr-seal-card:hover {
    border-color: var(--corporate-blue);
    box-shadow: 0 8px 28px rgba(0,48,135,0.1);
    transform: translateY(-3px);
    background: #ffffff;
}

.sr-seal-card:hover::after { transform: scaleX(1); }

.sr-seal-num {
    font-size: 0.6rem;
    font-weight: 800;
    color: rgba(0,48,135,0.25);
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.sr-seal-icon {
    width: 46px;
    height: 46px;
    background: rgba(0,48,135,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corporate-blue);
    font-size: 1.15rem;
    margin: 0 auto 12px;
}

.sr-seal-card strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sr-seal-card p {
    font-size: 0.73rem;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
}

/* ===== TABLE ===== */
.sr-table-wrap {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sr-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    width: 100%;
    display: block;
}

.sr-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 400px;
}

.sr-table thead tr { background: var(--corporate-blue); }

.sr-table th {
    padding: 10px 14px;
    text-align: left;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ffffff;
    white-space: nowrap;
}

.sr-table td {
    padding: 8px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #1e293b;
    border-bottom: 1px solid #f1f5f9;
}

.sr-table tbody tr:last-child td { border-bottom: none; }
.sr-table tbody tr:hover td { background: rgba(0,48,135,0.025); }
.sr-table td:first-child { font-weight: 800; color: var(--corporate-blue); }

/* Duty badges */
.sr-duty {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: 4px;
}

.sr-duty-light { background: #f0fdf4; color: #16a34a; }
.sr-duty-medium { background: #fffbeb; color: #d97706; }
.sr-duty-heavy { background: rgba(0,48,135,0.08); color: var(--corporate-blue); }

.sr-table-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.76rem;
    color: #94a3b8;
    margin-top: 14px;
}

.sr-table-note i { color: var(--corporate-blue); }

/* Desktop pe nav wrap always open, toggle hidden */
.sr-series-nav-toggle { display: none; }
.sr-series-nav-wrap { max-height: none !important; overflow: visible; }
.sr-sidebar-toggle { display: none; }
.sr-sidebar-close { display: none; }
.sr-sidebar-overlay { display: none; }

/* ===== WHY SMR ===== */
.sr-why-smr {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 36px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.sr-why-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
}

.sr-why-header > i {
    width: 52px;
    height: 52px;
    background: rgba(0,48,135,0.08);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--corporate-blue);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.sr-why-header h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: #1e293b;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.sr-why-header p {
    font-size: 0.8rem;
    color: #64748b;
    margin: 0;
}

.sr-why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 28px;
}

.sr-why-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    border-radius: 10px;
}

.sr-why-item > i {
    font-size: 1.1rem;
    color: var(--corporate-blue);
    margin-top: 2px;
    flex-shrink: 0;
}

.sr-why-item strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 4px;
}

.sr-why-item span {
    font-size: 0.76rem;
    color: #64748b;
    line-height: 1.55;
}

.sr-why-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== CTA ===== */
.sr-cta {
    background: var(--corporate-blue);
    padding: 60px 0;
}

.sr-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.sr-cta-text h3 {
    font-size: 1.6rem;
    font-weight: 900;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.sr-cta-text p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.75);
    max-width: 500px;
    line-height: 1.7;
}

.sr-cta-btns { display: flex; gap: 12px; flex-shrink: 0; }

.sr-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 8px;
    border: 2px solid rgba(255,255,255,0.4);
    color: #ffffff;
    background: transparent;
    transition: all 0.2s;
}

.sr-btn-ghost:hover {
    border-color: #ffffff;
    background: rgba(255,255,255,0.1);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .sr-layout { grid-template-columns: 1fr 220px; }
}

@media (max-width: 1024px) {
    .sr-layout { grid-template-columns: 1fr !important; }
    .sr-content { order: 1; }
    .sr-sidebar { position: static; order: 2; display: flex; flex-direction: column; gap: 16px; }
    .sr-intro-block { grid-template-columns: 1fr !important; }
    .sr-intro-img { max-width: 460px; }
    .sr-seals-grid { grid-template-columns: 1fr 1fr; }
    .sr-iso-card { flex-direction: row; text-align: left; padding: 16px 20px; gap: 14px; align-items: center; }
    .sr-iso-icon { font-size: 1.4rem; margin-bottom: 0; flex-shrink: 0; }
    .sr-iso-card strong { font-size: 0.88rem; display: block; }
    .sr-iso-card span { font-size: 0.72rem; display: block; line-height: 1.4; }
    .sr-iso-card > div { min-width: 0; }
}

@media (max-width: 768px) {
    .sr-hero { padding-top: 68px; min-height: 260px; }
    .sr-hero-inner { padding: 32px 0 26px; }
    .sr-hero-title { font-size: 2rem; }
    .sr-hero-sub { font-size: 0.86rem; max-width: 100%; }
    .sr-main { padding: 28px 0 44px; }
    .sr-layout { grid-template-columns: 1fr !important; gap: 20px; }
    .sr-sidebar { grid-template-columns: 1fr !important; position: static; display: flex; flex-direction: column; gap: 16px; }
    .sr-content { min-width: 0; }
    .sr-intro-block,
    .sr-features,
    .sr-seals,
    .sr-why-smr,
    .sr-table-wrap { padding: 16px; min-width: 0; box-sizing: border-box; }
    .sr-intro-block { gap: 20px; grid-template-columns: 1fr !important; }
    .sr-intro-img { max-width: 100%; }
    .sr-intro-block img { max-height: 160px !important; }
    .sr-intro-checks { grid-template-columns: 1fr; }
    .sr-features-grid { grid-template-columns: 1fr; gap: 10px; }
    .sr-why-grid { grid-template-columns: 1fr; gap: 10px; }
    .sr-seals-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .sr-heading { font-size: 1.2rem; }
    .sr-text { font-size: 0.84rem; }
    .sr-intro-btns { flex-direction: column; }
    .sr-intro-btns .btn, .sr-btn-ghost-dark { width: 100%; justify-content: center; }
    .sr-why-cta { flex-direction: column; }
    .sr-why-cta .btn, .sr-why-cta .sr-btn-ghost-dark { width: 100%; justify-content: center; }
    .sr-cta { padding: 36px 0; }
    .sr-cta-inner { flex-direction: column; gap: 20px; }
    .sr-cta-btns { width: 100%; flex-direction: column; }
    .sr-cta-btns .btn, .sr-btn-ghost { width: 100%; justify-content: center; }
    .sr-cta-text h3 { font-size: 1.2rem; }
    .sr-cta-text p { font-size: 0.84rem; }
    .sr-enquiry-btn { width: calc(100% - 36px); }
    .sr-series-link { white-space: normal; }
    .sr-qs-val { word-break: break-word; }
}

@media (max-width: 480px) {
    .sr-hero-title { font-size: 1.7rem; }
    .sr-hero-badge { font-size: 0.6rem; padding: 5px 10px; }
    .sr-seals-grid { grid-template-columns: 1fr; }
    .sr-heading { font-size: 1.1rem; }
    .sr-intro-img-badge { display: none; }
    .sr-section-title { font-size: 0.7rem; }
    .sr-qs-item { padding: 8px 12px; }
    .sr-series-link { padding: 8px 12px; font-size: 0.78rem; }
    .sr-intro-block, .sr-features, .sr-seals, .sr-table-wrap { padding: 12px; }
}

@media (max-width: 360px) {
    .sr-hero-title { font-size: 1.5rem; }
}

@media (max-width: 600px) {
    .sr-table { min-width: 100% !important; font-size: 0.8rem; }
    .sr-table td, .sr-table th { padding: 8px 8px; }
}