/* ========================================
   Soto Machinery - Inner Pages CSS
   Shared: Case Studies + Industries pages
   Upload to: /wp-content/uploads/css/soto-inner-pages.css
   Version: 1.0.0
   Pattern: Follows soto-product.css conventions
   ======================================== */

:root {
    --soto-primary: #0d7377;
    --soto-secondary: #145374;
    --soto-accent: #f5a623;
    --soto-text: #2d3748;
    --soto-text-light: #5a6b7d;
    --soto-bg: #f7f9fc;
    --soto-white: #ffffff;
    --soto-border: #e8edf2;
    --soto-radius: 8px;
    --soto-shadow: 0 4px 20px rgba(0,0,0,0.08);
    --soto-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
    --soto-transition: all 0.3s ease;
    --soto-container: 1200px;
}

.soto-inner-page { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans CJK SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; color: var(--soto-text); line-height: 1.7; box-sizing: border-box; margin: 0 !important; padding: 0 !important; }
.soto-inner-page *, .soto-inner-page *::before, .soto-inner-page *::after { box-sizing: border-box; margin: 0; padding: 0; }
.soto-inner-page a { text-decoration: none; color: var(--soto-primary); transition: var(--soto-transition); }
.soto-inner-page a:hover { color: var(--soto-accent); }
.soto-inner-page img { max-width: 100%; height: auto; display: block; }
.soto-inner-page .soto-container { max-width: var(--soto-container); margin: 0 auto; padding: 0 24px; }

/* ========================================
   Breadcrumb
   ======================================== */
.soto-ip-breadcrumb { background: var(--soto-bg); padding: 16px 0; }
.soto-ip-breadcrumb .soto-container { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--soto-text-light); flex-wrap: wrap; }
.soto-ip-breadcrumb a { color: var(--soto-text-light); }
.soto-ip-breadcrumb a:hover { color: var(--soto-primary); }
.soto-ip-breadcrumb span.sep { color: #cbd5e0; }
.soto-ip-breadcrumb .current { color: var(--soto-primary); font-weight: 500; }

/* ========================================
   Page Hero
   ======================================== */
.soto-ip-hero { position: relative; min-height: 420px; display: flex; align-items: center; background: linear-gradient(135deg, var(--soto-secondary) 0%, var(--soto-primary) 100%); overflow: hidden; }
.soto-ip-hero::before { content: ''; position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.25; }
.soto-ip-hero::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(20,83,116,0.82) 0%, rgba(13,115,119,0.76) 100%); }
.soto-ip-hero-inner { position: relative; z-index: 1; padding: 80px 0; color: #fff; max-width: 800px; }
.soto-ip-hero-label { display: inline-block; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; background: rgba(255,255,255,0.15); padding: 6px 16px; border-radius: 20px; margin-bottom: 24px; border: 1px solid rgba(255,255,255,0.2); color: #fff; }
.soto-ip-hero h1 { font-size: 42px; font-weight: 700; line-height: 1.25; margin-bottom: 16px; color: #fff; }
.soto-ip-hero-desc { font-size: 18px; line-height: 1.7; opacity: 0.92; margin-bottom: 32px; }
.soto-ip-hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.soto-ip-hero-stat strong { display: block; font-size: 30px; font-weight: 700; color: var(--soto-accent); line-height: 1.2; }
.soto-ip-hero-stat span { font-size: 14px; opacity: 0.85; }

/* ========================================
   Section Base
   ======================================== */
.soto-ip-section { padding: 64px 0; }
.soto-ip-section-gray { background: var(--soto-bg); }
.soto-ip-section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.soto-ip-section-label { display: inline-block; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: var(--soto-primary); background: rgba(13,115,119,0.1); padding: 6px 16px; border-radius: 20px; margin-bottom: 16px; }
.soto-ip-section-header h2 { font-size: 32px; font-weight: 700; color: var(--soto-text); margin-bottom: 16px; line-height: 1.3; }
.soto-ip-section-header p { font-size: 17px; color: var(--soto-text-light); line-height: 1.7; }
.soto-ip-section h3 { font-size: 20px; font-weight: 700; color: var(--soto-text); margin-bottom: 12px; }
.soto-ip-section p { font-size: 16px; color: var(--soto-text-light); line-height: 1.8; margin-bottom: 16px; }

/* ========================================
   Info Grid (3-column cards)
   ======================================== */
.soto-ip-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.soto-ip-info-card { background: var(--soto-white); border: 1px solid var(--soto-border); border-radius: var(--soto-radius); padding: 28px; box-shadow: var(--soto-shadow); transition: var(--soto-transition); }
.soto-ip-info-card:hover { transform: translateY(-4px); box-shadow: var(--soto-shadow-hover); }
.soto-ip-info-card-icon { width: 52px; height: 52px; background: linear-gradient(135deg, var(--soto-primary), var(--soto-secondary)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 16px; }
.soto-ip-info-card h3 { font-size: 18px; font-weight: 600; color: var(--soto-text); margin-bottom: 10px; }
.soto-ip-info-card p { font-size: 14px; color: var(--soto-text-light); line-height: 1.7; }

/* ========================================
   Content Block (two-column text + image)
   ======================================== */
.soto-ip-content-block { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.soto-ip-content-block-text h3 { font-size: 24px; font-weight: 700; color: var(--soto-text); margin-bottom: 16px; }
.soto-ip-content-block-text p { font-size: 16px; color: var(--soto-text-light); line-height: 1.8; margin-bottom: 16px; }
.soto-ip-content-block-text ul { list-style: none; margin: 16px 0; }
.soto-ip-content-block-text ul li { font-size: 15px; color: var(--soto-text-light); padding: 6px 0 6px 28px; position: relative; }
.soto-ip-content-block-text ul li::before { content: '\2713'; position: absolute; left: 0; color: var(--soto-primary); font-weight: 700; }
.soto-ip-content-block-image img { width: 100%; height: auto; border-radius: var(--soto-radius); box-shadow: var(--soto-shadow); }

/* ========================================
   Process Steps (4-column)
   ======================================== */
.soto-ip-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.soto-ip-step { background: var(--soto-white); border: 1px solid var(--soto-border); border-radius: var(--soto-radius); padding: 28px 24px; text-align: center; }
.soto-ip-step-num { width: 44px; height: 44px; background: var(--soto-primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; margin: 0 auto 16px; }
.soto-ip-step h3 { font-size: 16px; font-weight: 600; color: var(--soto-text); margin-bottom: 8px; }
.soto-ip-step p { font-size: 13px; color: var(--soto-text-light); line-height: 1.6; }

/* ========================================
   Results Grid (4-column metrics)
   ======================================== */
.soto-ip-results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.soto-ip-result { background: var(--soto-white); border: 1px solid var(--soto-border); border-radius: var(--soto-radius); padding: 32px 24px; text-align: center; box-shadow: var(--soto-shadow); }
.soto-ip-result strong { display: block; font-size: 36px; font-weight: 700; color: var(--soto-primary); line-height: 1.2; margin-bottom: 8px; }
.soto-ip-result span { font-size: 14px; color: var(--soto-text-light); }

/* ========================================
   Case Studies Grid
   ======================================== */
.soto-ip-cases { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.soto-ip-case-card { background: var(--soto-white); border-radius: 12px; overflow: hidden; box-shadow: var(--soto-shadow); transition: var(--soto-transition); border: 1px solid var(--soto-border); text-decoration: none; color: inherit; display: block; }
.soto-ip-case-card:hover { transform: translateY(-6px); box-shadow: var(--soto-shadow-hover); }
.soto-ip-case-image { height: 220px; overflow: hidden; position: relative; }
.soto-ip-case-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.soto-ip-case-card:hover .soto-ip-case-image img { transform: scale(1.05); }
.soto-ip-case-tag { position: absolute; top: 16px; left: 16px; background: var(--soto-accent); color: var(--soto-text); padding: 4px 12px; border-radius: 4px; font-size: 11px; font-weight: 600; text-transform: uppercase; }
.soto-ip-case-body { padding: 24px; }
.soto-ip-case-body h3 { font-size: 18px; font-weight: 600; color: var(--soto-text); margin-bottom: 12px; line-height: 1.4; }
.soto-ip-case-body p { font-size: 14px; color: var(--soto-text-light); line-height: 1.6; margin-bottom: 16px; }
.soto-ip-case-meta { display: flex; gap: 20px; margin-bottom: 16px; }
.soto-ip-case-meta-item { text-align: center; flex: 1; padding: 10px; background: var(--soto-bg); border-radius: 6px; }
.soto-ip-case-meta-item strong { display: block; font-size: 20px; font-weight: 700; color: var(--soto-primary); line-height: 1.2; }
.soto-ip-case-meta-item span { font-size: 11px; color: var(--soto-text-light); }
.soto-ip-case-link { font-size: 14px; font-weight: 600; color: var(--soto-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: var(--soto-transition); }
.soto-ip-case-link:hover { gap: 10px; }

/* ========================================
   Industries Grid (overlay cards)
   ======================================== */
.soto-ip-industries { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.soto-ip-industry-card { position: relative; border-radius: 12px; overflow: hidden; height: 200px; display: block; text-decoration: none; color: inherit; }
.soto-ip-industry-card img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.soto-ip-industry-card:hover img { transform: scale(1.05); }
.soto-ip-industry-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0.1)); }
.soto-ip-industry-overlay { position: relative; z-index: 1; padding: 24px; color: #fff; }
.soto-ip-industry-overlay h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.soto-ip-industry-overlay span { font-size: 13px; opacity: 0.85; }

/* ========================================
   Category Cards (large cards with image)
   ======================================== */
.soto-ip-categories { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.soto-ip-category-card { position: relative; border-radius: 16px; overflow: hidden; background: var(--soto-white); box-shadow: var(--soto-shadow); transition: var(--soto-transition); border: 1px solid var(--soto-border); text-decoration: none; color: inherit; display: block; }
.soto-ip-category-card:hover { transform: translateY(-6px); box-shadow: var(--soto-shadow-hover); }
.soto-ip-category-image { position: relative; height: 280px; overflow: hidden; }
.soto-ip-category-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.soto-ip-category-card:hover .soto-ip-category-image img { transform: scale(1.05); }
.soto-ip-category-image::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 50%; background: linear-gradient(to top, rgba(0,0,0,0.6), transparent); }
.soto-ip-category-badge { position: absolute; top: 20px; left: 20px; background: var(--soto-accent); color: var(--soto-text); padding: 6px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; z-index: 1; }
.soto-ip-category-content { padding: 28px; }
.soto-ip-category-content h3 { font-size: 24px; font-weight: 700; color: var(--soto-text); margin-bottom: 12px; }
.soto-ip-category-content p { font-size: 15px; color: var(--soto-text-light); margin-bottom: 20px; line-height: 1.7; }
.soto-ip-category-products { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.soto-ip-category-products li { font-size: 14px; color: var(--soto-text-light); display: flex; align-items: center; gap: 8px; }
.soto-ip-category-products li::before { content: '\2713'; color: var(--soto-primary); font-weight: 700; font-size: 12px; }
.soto-ip-category-link { font-size: 15px; font-weight: 600; color: var(--soto-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: var(--soto-transition); }
.soto-ip-category-link:hover { gap: 10px; }

/* ========================================
   Products Grid (small product cards)
   ======================================== */
.soto-ip-products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.soto-ip-product-card { background: var(--soto-white); border-radius: 12px; overflow: hidden; box-shadow: var(--soto-shadow); transition: var(--soto-transition); border: 1px solid var(--soto-border); text-decoration: none; color: inherit; display: block; }
.soto-ip-product-card:hover { transform: translateY(-6px); box-shadow: var(--soto-shadow-hover); }
.soto-ip-product-image { height: 200px; overflow: hidden; background: var(--soto-bg); }
.soto-ip-product-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.soto-ip-product-card:hover .soto-ip-product-image img { transform: scale(1.05); }
.soto-ip-product-body { padding: 20px; }
.soto-ip-product-cat { display: inline-block; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--soto-primary); background: rgba(13,115,119,0.1); padding: 4px 10px; border-radius: 4px; margin-bottom: 12px; }
.soto-ip-product-body h3 { font-size: 17px; font-weight: 600; color: var(--soto-text); margin-bottom: 8px; line-height: 1.4; }
.soto-ip-product-body p { font-size: 13px; color: var(--soto-text-light); line-height: 1.6; margin-bottom: 12px; }
.soto-ip-product-link { font-size: 14px; font-weight: 600; color: var(--soto-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: var(--soto-transition); }
.soto-ip-product-link:hover { gap: 10px; }

/* ========================================
   Features Grid
   ======================================== */
.soto-ip-features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.soto-ip-feature-card { text-align: center; padding: 32px 24px; background: var(--soto-white); border-radius: 12px; box-shadow: var(--soto-shadow); transition: var(--soto-transition); border: 1px solid var(--soto-border); }
.soto-ip-feature-card:hover { transform: translateY(-6px); box-shadow: var(--soto-shadow-hover); }
.soto-ip-feature-icon { width: 64px; height: 64px; margin: 0 auto 20px; background: linear-gradient(135deg, var(--soto-primary), var(--soto-secondary)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 28px; }
.soto-ip-feature-card h3 { font-size: 18px; font-weight: 600; color: var(--soto-text); margin-bottom: 10px; }
.soto-ip-feature-card p { font-size: 14px; color: var(--soto-text-light); line-height: 1.7; }

/* ========================================
   CTA Section (matches product page CTA)
   ======================================== */
.soto-cta-section { background: linear-gradient(135deg, var(--soto-primary), var(--soto-secondary)); padding: 48px 0 0 !important; text-align: center; position: relative; overflow: hidden; }
.soto-cta-section::before { content: ''; position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0.15; }
.soto-cta-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; padding: 0 24px; }
.soto-cta-content h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.soto-cta-content p { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 32px; }
.soto-cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; padding-bottom: 32px; }
.soto-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 6px; font-size: 16px; font-weight: 600; transition: var(--soto-transition); cursor: pointer; text-decoration: none; }
.soto-btn svg { width: 20px; height: 20px; fill: currentColor; }
.soto-btn-primary { background: #fff; color: var(--soto-primary); border: 2px solid #fff; }
.soto-btn-primary:hover { background: var(--soto-accent); color: #fff; border-color: var(--soto-accent); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }
.soto-btn-outline { background: var(--soto-accent); color: #fff; border: 2px solid var(--soto-accent); }
.soto-btn-outline:hover { background: #e0951a; border-color: #e0951a; color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,166,35,0.4); }

/* ========================================
   Contact Form Section
   ======================================== */
.soto-ip-form { padding: 64px 0; background: var(--soto-bg); }
.soto-ip-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.soto-ip-form-info h2 { font-size: 28px; font-weight: 700; color: var(--soto-text); margin-bottom: 16px; }
.soto-ip-form-info > p { font-size: 16px; color: var(--soto-text-light); margin-bottom: 32px; }
.soto-ip-form-contact { margin-bottom: 24px; }
.soto-ip-form-contact-item { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--soto-white); border-radius: var(--soto-radius); margin-bottom: 12px; border: 1px solid var(--soto-border); }
.soto-ip-form-contact-icon { width: 44px; height: 44px; background: rgba(13,115,119,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 20px; }
.soto-ip-form-contact-text h4 { font-size: 13px; color: var(--soto-text-light); margin-bottom: 2px; font-weight: 500; }
.soto-ip-form-contact-text a, .soto-ip-form-contact-text p { font-size: 16px; color: var(--soto-text); font-weight: 600; margin: 0; text-decoration: none; transition: color .2s; }
.soto-ip-form-contact-text a:hover { color: var(--soto-primary); text-decoration: underline; }
.soto-ip-form-box { background: var(--soto-white); padding: 32px; border-radius: var(--soto-radius); box-shadow: var(--soto-shadow); }
.soto-ip-form-box h3 { font-size: 22px; font-weight: 700; color: var(--soto-text); margin-bottom: 8px; }
.soto-ip-form-box > p { font-size: 14px; color: var(--soto-text-light); margin-bottom: 24px; }
.soto-ip-form-shortcode { min-height: 300px; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .soto-ip-info-grid { grid-template-columns: repeat(2, 1fr); }
    .soto-ip-process { grid-template-columns: repeat(2, 1fr); }
    .soto-ip-results { grid-template-columns: repeat(2, 1fr); }
    .soto-ip-content-block { grid-template-columns: 1fr; gap: 32px; }
    .soto-ip-features { grid-template-columns: repeat(2, 1fr); }
    .soto-ip-products { grid-template-columns: repeat(2, 1fr); }
    .soto-ip-form-grid { grid-template-columns: 1fr; }
    .soto-ip-categories { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .soto-ip-info-grid,
    .soto-ip-process,
    .soto-ip-results,
    .soto-ip-features,
    .soto-ip-products { grid-template-columns: 1fr; }
    .soto-ip-hero h1 { font-size: 30px; }
    .soto-ip-hero-inner { padding: 60px 0; }
    .soto-ip-hero-stats { flex-direction: column; gap: 20px; }
    .soto-ip-cases,
    .soto-ip-industries { grid-template-columns: 1fr; }
    .soto-ip-section { padding: 48px 0; }
    .soto-ip-section-header h2 { font-size: 26px; }
    .soto-cta-buttons { flex-direction: column; align-items: center; }
    .soto-btn { width: 100%; max-width: 300px; justify-content: center; }
}

/* Fix: remove blank space around WordPress theme */
.soto-inner-page { margin: 0 !important; padding: 0 !important; }
.entry-content { margin-bottom: 0 !important; padding-bottom: 0 !important; }
.entry-footer { display: none !important; }