/* ==========================================================================
   SGS Unified Template - Premium Editorial UI Refresh
   Drop-in replacement for template-unified.css
   Safe for WordPress: structure, links, scripts, schema untouched
   ========================================================================== */

:root {
    --sgs-font-sans: Inter, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI",
        "Helvetica Neue", Arial, sans-serif;

    --sgs-bg: #f5f7fb;
    --sgs-surface: #ffffff;
    --sgs-surface-alt: #f8fafc;
    --sgs-text: #0f172a;
    --sgs-text-soft: #334155;
    --sgs-muted: #5b6475;

    --sgs-border: #e5e7eb;
    --sgs-border-strong: #d1d5db;

    --sgs-primary: #0f172a;
    --sgs-primary-soft: #1e293b;
    --sgs-secondary: #2563eb;
    --sgs-secondary-hover: #1d4ed8;
    --sgs-secondary-soft: #eff6ff;

    --sgs-success: #15803d;
    --sgs-warning: #b45309;
    --sgs-danger: #b91c1c;
    --sgs-info: #1d4ed8;

    --sgs-shadow-sm: 0 6px 18px rgba(15, 23, 42, 0.06);
    --sgs-shadow-md: 0 16px 40px rgba(15, 23, 42, 0.08);
    --sgs-shadow-lg: 0 28px 60px rgba(15, 23, 42, 0.12);

    --sgs-radius-xs: 10px;
    --sgs-radius-sm: 16px;
    --sgs-radius: 24px;
    --sgs-radius-lg: 28px;

    --sgs-content-width: 1120px;
    --sgs-reading-width: 760px;

    --sgs-transition: 180ms ease;
}

/* Base reset scoped to template */
body .sgs-unified-article,
body .sgs-unified-article * {
    box-sizing: border-box;
}

body .sgs-unified-article {
    color: var(--sgs-text);
    background: transparent;
    margin: 0 0 clamp(2.5rem, 4vw, 4rem);
    font-family: var(--sgs-font-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body .sgs-unified-article img {
    max-width: 100%;
    height: auto;
    display: block;
}

body .sgs-unified-article a {
    color: inherit;
}

.sgs-wrap {
    width: min(calc(100% - 2rem), var(--sgs-content-width));
    margin-inline: auto;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.sgs-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(5.5rem, 9vw, 7rem);
    margin-bottom: 0;
    background:
        radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.18), transparent 28%),
        radial-gradient(circle at 85% 20%, rgba(99, 102, 241, 0.16), transparent 25%),
        linear-gradient(135deg, #0f172a 0%, #1e293b 48%, #312e81 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sgs-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 140px;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0) 0%, rgba(15, 23, 42, 0.18) 100%);
    pointer-events: none;
}

.sgs-hero .sgs-wrap {
    position: relative;
    z-index: 1;
    text-align: center;
}

.sgs-hero__inner {
    max-width: 920px;
    margin-inline: auto;
}

.sgs-hero__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 40px;
    padding: 0.5rem 0.95rem;
    border-radius: 999px;
    margin-bottom: 1.1rem;
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    line-height: 1;
}

.sgs-hero__title {
    margin: 0;
    color: #ffffff;
    font-size: clamp(2.2rem, 5.3vw, 4.35rem);
    font-weight: 800;
    line-height: 1.02;
    letter-spacing: -0.04em;
    text-wrap: balance;
    max-width: 14ch;
    margin-inline: auto;
}

.sgs-hero__subtitle {
    margin: 1.15rem auto 0;
    max-width: 66ch;
    color: rgba(255, 255, 255, 0.82);
    font-size: clamp(1.03rem, 1.3vw, 1.18rem);
    line-height: 1.75;
    font-weight: 400;
}

.sgs-hero__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.6rem;
    font-size: 0.96rem;
    color: rgba(255, 255, 255, 0.92);
}

.sgs-hero__meta > span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 42px;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
    line-height: 1.25;
}

.sgs-hero__meta a {
    color: #ffffff;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.45);
    text-underline-offset: 3px;
}

.sgs-hero__meta a:hover {
    text-decoration-color: rgba(255, 255, 255, 0.92);
}

/* ==========================================================================
   Featured image
   ========================================================================== */

.sgs-featured-img {
    position: relative;
    z-index: 2;
    max-width: 1040px;
    margin: clamp(-3.8rem, -5vw, -4.4rem) auto 2.25rem;
    padding: 0.5rem;
    border-radius: var(--sgs-radius-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: var(--sgs-shadow-lg);
    overflow: hidden;
}

.sgs-featured-img img {
    width: 100%;
    height: auto;
    border-radius: calc(var(--sgs-radius-lg) - 8px);
    object-fit: cover;
    background: #e5e7eb;
}

.sgs-featured-img figcaption {
    padding: 0.85rem 0.6rem 0.2rem;
    text-align: center;
    color: var(--sgs-muted);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ==========================================================================
   Article container
   ========================================================================== */

.sgs-content {
    position: relative;
    max-width: var(--sgs-reading-width);
    margin-inline: auto;
    padding: clamp(1.4rem, 2vw, 2.5rem);
    background: var(--sgs-surface);
    border: 1px solid var(--sgs-border);
    border-radius: var(--sgs-radius);
    box-shadow: var(--sgs-shadow-md);
    overflow-wrap: break-word;
}

.sgs-content > *:first-child {
    margin-top: 0;
}

.sgs-content > *:last-child {
    margin-bottom: 0;
}

/* Typography */
.sgs-content,
.sgs-content p,
.sgs-content li,
.sgs-content td,
.sgs-content th {
    font-family: var(--sgs-font-sans);
}

.sgs-content p,
.sgs-content li {
    font-size: 1.0625rem;
    line-height: 1.82;
    color: var(--sgs-text-soft);
}

.sgs-content p {
    margin: 0 0 1.35rem;
}

.sgs-content h2,
.sgs-content h3,
.sgs-content h4,
.sgs-content h5,
.sgs-content h6 {
    margin: 2.2rem 0 0.9rem;
    color: var(--sgs-text);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 800;
}

.sgs-content h2 {
    font-size: clamp(1.6rem, 2.3vw, 2.2rem);
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--sgs-border);
}

.sgs-content h3 {
    font-size: clamp(1.3rem, 1.8vw, 1.7rem);
}

.sgs-content h4 {
    font-size: 1.18rem;
}

.sgs-content h5,
.sgs-content h6 {
    font-size: 1.02rem;
}

.sgs-content strong {
    color: var(--sgs-text);
    font-weight: 700;
}

.sgs-content em {
    color: inherit;
}

.sgs-content ul,
.sgs-content ol {
    margin: 0 0 1.35rem;
    padding-left: 1.4rem;
}

.sgs-content li + li {
    margin-top: 0.45rem;
}

.sgs-content hr {
    margin: 2rem 0;
    border: 0;
    border-top: 1px solid var(--sgs-border);
}

/* Links */
.sgs-content a,
.sgs-author-card__link,
.sgs-taxonomies a {
    color: var(--sgs-secondary);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
    transition: color var(--sgs-transition), text-decoration-color var(--sgs-transition);
}

.sgs-content a:hover,
.sgs-author-card__link:hover,
.sgs-taxonomies a:hover {
    color: var(--sgs-secondary-hover);
    text-decoration-color: currentColor;
}

/* Images and WP blocks */
.sgs-content img,
.sgs-content .wp-block-image img {
    border-radius: var(--sgs-radius-sm);
}

.sgs-content figure,
.sgs-content .wp-block-image,
.sgs-content .wp-block-embed,
.sgs-content .wp-block-table,
.sgs-content pre,
.sgs-content blockquote {
    margin: 0 0 1.5rem;
}

.sgs-content figcaption,
.sgs-content .wp-element-caption {
    margin-top: 0.65rem;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--sgs-muted);
    text-align: center;
}

/* Blockquote */
.sgs-content blockquote {
    margin-left: 0;
    margin-right: 0;
    padding: 1.15rem 1.2rem;
    border-left: 4px solid var(--sgs-secondary);
    background: var(--sgs-surface-alt);
    border-radius: 0 var(--sgs-radius-sm) var(--sgs-radius-sm) 0;
    color: var(--sgs-text-soft);
}

.sgs-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Code */
.sgs-content code,
.sgs-content pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.sgs-content code {
    padding: 0.15rem 0.4rem;
    border-radius: 6px;
    background: #f1f5f9;
    color: #0f172a;
    font-size: 0.93em;
}

.sgs-content pre {
    padding: 1rem 1.1rem;
    border-radius: var(--sgs-radius-sm);
    overflow: auto;
    background: #0f172a;
    color: #e2e8f0;
}

/* Tables */
.sgs-content .wp-block-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.sgs-content table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--sgs-border);
    border-radius: var(--sgs-radius-sm);
    overflow: hidden;
    background: #ffffff;
}

.sgs-content th,
.sgs-content td {
    padding: 0.95rem 1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--sgs-border);
}

.sgs-content th {
    background: var(--sgs-surface-alt);
    color: var(--sgs-text);
    font-weight: 700;
}

.sgs-content tr:last-child td {
    border-bottom: 0;
}

/* ==========================================================================
   Buttons / affiliate CTAs
   ========================================================================== */

.sgs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 50px;
    padding: 0.9rem 1.25rem;
    margin: 0.3rem 0.45rem 0.3rem 0;
    border: 1px solid transparent;
    border-radius: 999px;
    font-family: var(--sgs-font-sans);
    font-size: 0.98rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none !important;
    box-shadow: var(--sgs-shadow-sm);
    transition:
        transform var(--sgs-transition),
        box-shadow var(--sgs-transition),
        background-color var(--sgs-transition),
        border-color var(--sgs-transition),
        color var(--sgs-transition);
    cursor: pointer;
}

.sgs-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(37, 99, 235, 0.18);
}

.sgs-btn--primary {
    background: linear-gradient(135deg, var(--sgs-secondary), #3b82f6);
    color: #ffffff !important;
}

.sgs-btn--primary:hover {
    background: linear-gradient(135deg, var(--sgs-secondary-hover), #2563eb);
}

.sgs-btn--secondary {
    background: #eef4ff;
    color: #123b91 !important;
    border-color: #dbeafe;
}

.sgs-btn--secondary:hover {
    background: #e0edff;
}

.sgs-btn--outline {
    background: #ffffff;
    color: var(--sgs-primary) !important;
    border-color: var(--sgs-border-strong);
}

.sgs-btn--outline:hover {
    background: #f8fafc;
}

/* Focus accessibility */
.sgs-btn:focus-visible,
.sgs-content a:focus-visible,
.sgs-hero__meta a:focus-visible,
.sgs-author-card__link:focus-visible,
.sgs-taxonomies a:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.35);
    outline-offset: 3px;
    border-radius: 10px;
}

/* ==========================================================================
   Notes / info boxes
   ========================================================================== */

.sgs-note {
    padding: 1rem 1.1rem;
    border-radius: var(--sgs-radius-sm);
    border: 1px solid var(--sgs-border);
    margin: 1.35rem 0;
    background: var(--sgs-surface-alt);
}

.sgs-note strong {
    display: inline-block;
    margin-right: 0.35rem;
}

.sgs-note p:last-child {
    margin-bottom: 0;
}

.sgs-note--info {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1e3a8a;
}

.sgs-note--success {
    background: #f0fdf4;
    border-color: #bbf7d0;
    color: #166534;
}

.sgs-note--warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.sgs-note--danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #991b1b;
}

.sgs-note--tip {
    background: #f5f3ff;
    border-color: #ddd6fe;
    color: #6d28d9;
}

/* ==========================================================================
   Step cards
   ========================================================================== */

.sgs-step {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1rem 1.1rem;
    margin: 1.15rem 0;
    background: #ffffff;
    border: 1px solid var(--sgs-border);
    border-radius: var(--sgs-radius-sm);
    box-shadow: var(--sgs-shadow-sm);
}

.sgs-step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--sgs-secondary), #60a5fa);
    color: #ffffff;
    font-weight: 800;
    font-size: 1rem;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.sgs-step__content {
    min-width: 0;
}

.sgs-step__content p:last-child {
    margin-bottom: 0;
}

/* ==========================================================================
   Footer cards
   ========================================================================== */

.sgs-article__footer {
    max-width: var(--sgs-reading-width);
    margin: 2rem auto 0;
}

.sgs-author-card {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: 1rem;
    align-items: start;
    padding: 1.25rem;
    margin-top: 1.75rem;
    background: var(--sgs-surface);
    border: 1px solid var(--sgs-border);
    border-radius: var(--sgs-radius);
    box-shadow: var(--sgs-shadow-sm);
}

.sgs-author-card__avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.sgs-author-card__info strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1.06rem;
    color: var(--sgs-text);
}

.sgs-author-card__info p {
    margin: 0 0 0.75rem;
    color: var(--sgs-muted);
    line-height: 1.72;
    font-size: 0.98rem;
}

.sgs-taxonomies {
    margin-top: 1.25rem;
    padding: 1rem 1.15rem;
    background: #ffffff;
    border: 1px solid var(--sgs-border);
    border-radius: var(--sgs-radius);
    box-shadow: var(--sgs-shadow-sm);
}

.sgs-taxonomies__row + .sgs-taxonomies__row {
    margin-top: 0.7rem;
}

.sgs-taxonomies span {
    font-weight: 700;
    color: var(--sgs-text);
    margin-right: 0.35rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 960px) {
    .sgs-hero {
        padding-top: 3rem;
        padding-bottom: 4.5rem;
    }

    .sgs-featured-img {
        margin-top: -2.6rem;
        max-width: 100%;
    }
}

@media (max-width: 782px) {
    .sgs-wrap {
        width: min(calc(100% - 1.25rem), var(--sgs-content-width));
    }

    .sgs-hero {
        padding-top: 2.75rem;
        padding-bottom: 3.75rem;
    }

    .sgs-hero__title {
        max-width: 100%;
        font-size: clamp(1.95rem, 8.5vw, 2.75rem);
        line-height: 1.06;
    }

    .sgs-hero__subtitle {
        font-size: 1rem;
        line-height: 1.7;
    }

    .sgs-hero__meta {
        justify-content: flex-start;
    }

    .sgs-hero__meta > span {
        width: 100%;
        justify-content: flex-start;
        padding: 0.7rem 0.85rem;
    }

    .sgs-featured-img {
        margin-top: -1.85rem;
        margin-bottom: 1.4rem;
        padding: 0.35rem;
        border-radius: 20px;
    }

    .sgs-featured-img img {
        border-radius: 16px;
    }

    .sgs-content {
        padding: 1.25rem;
        border-radius: 20px;
    }

    .sgs-content p,
    .sgs-content li {
        font-size: 1rem;
        line-height: 1.78;
    }

    .sgs-content h2 {
        font-size: 1.45rem;
    }

    .sgs-content h3 {
        font-size: 1.22rem;
    }

    .sgs-step {
        grid-template-columns: 1fr;
    }

    .sgs-author-card {
        grid-template-columns: 1fr;
    }

    .sgs-btn {
        width: 100%;
        margin-right: 0;
    }

    .sgs-content table {
        min-width: 640px;
    }
}

@media (max-width: 480px) {
    .sgs-hero__badge {
        font-size: 0.78rem;
    }

    .sgs-content,
    .sgs-author-card,
    .sgs-taxonomies {
        border-radius: 18px;
    }

    .sgs-content {
        padding: 1.05rem;
    }

    .sgs-content p,
    .sgs-content li {
        font-size: 0.98rem;
    }

    .sgs-note,
    .sgs-step,
    .sgs-taxonomies {
        padding-left: 0.95rem;
        padding-right: 0.95rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sgs-btn,
    .sgs-content a,
    .sgs-author-card__link,
    .sgs-taxonomies a {
        transition: none;
    }

    html {
        scroll-behavior: auto;
    }
}