/* ==========================================================================
   SMARTERP MODULE SOLUTION PAGES (Foxia.vn Style)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Dynamic Brand Color fallback */
    --brand-color: #4f46e5;
    --brand-color-dark: #3730a3;
    --brand-color-soft: rgba(79, 70, 229, 0.1);
    --brand-color-glow: rgba(79, 70, 229, 0.35);

    /* System Palette */
    --bg-dark: #0f172a;
    --bg-light: #f9f7f3;
    --bg-cream: #f4f0e8;
    --bg-white: #ffffff;
    
    --text-primary: #0e1118;
    --text-secondary: #4b5366;
    --text-muted: #697080;
    
    --border-color: rgba(14, 17, 24, 0.1);
    --border-soft: rgba(14, 17, 24, 0.06);
    
    --shadow-soft: 0 16px 40px -20px rgba(14, 17, 24, 0.12);
    --shadow-lift: 0 24px 50px -20px rgba(14, 17, 24, 0.2);
    
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --grid-pattern: 
        linear-gradient(rgba(14, 17, 24, 0.032) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 17, 24, 0.032) 1px, transparent 1px);
    --grid-size: 80px 80px;
}

/* Page Base */
.solution-page {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-light);
    line-height: 1.65;
    overflow-x: hidden;
}

.solution-page section {
    padding: 104px 0;
    position: relative;
}

/* Section Header */
.sol-head {
    max-width: 800px;
    margin-bottom: 56px;
}

.sol-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.sol-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    background: var(--brand-color-soft);
    color: var(--brand-color);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(14, 17, 24, 0.08);
    margin-bottom: 20px;
}

.sol-eyebrow .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--brand-color);
    box-shadow: 0 0 10px var(--brand-color);
}

.sol-head h2 {
    font-size: clamp(2rem, 3.8vw, 3rem);
    line-height: 1.35;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.sol-head p {
    color: var(--text-secondary);
    font-size: 1.08rem;
    line-height: 1.7;
    margin: 0;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.sol-hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    padding: 60px 0 90px;
    background: linear-gradient(180deg, #fbfafd 0%, var(--bg-cream) 60%, var(--bg-light) 100%);
    background-image: var(--grid-pattern);
    background-size: var(--grid-size);
}

.sol-hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
    gap: 56px;
    align-items: center;
}

.sol-hero-content h1 {
    font-size: clamp(2.2rem, 4.8vw, 3.4rem);
    line-height: 1.35;
    padding-top: 0.1em;
    padding-bottom: 0.1em;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin: 20px 0 20px;
    color: var(--text-primary);
}

.sol-hero-content h1 .highlight {
    background: linear-gradient(120deg, var(--brand-color), var(--brand-color-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sol-hero-content p.lede {
    color: var(--text-secondary);
    font-size: 1.15rem;
    line-height: 1.65;
    margin-bottom: 30px;
    max-width: 580px;
}

.sol-cta-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.sol-btn-brand {
    background: linear-gradient(135deg, var(--brand-color), var(--brand-color-dark));
    color: #ffffff !important;
    border: none;
    box-shadow: 0 12px 28px -8px var(--brand-color-glow);
    padding: 14px 30px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.sol-btn-brand:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px -10px var(--brand-color-glow);
}

.sol-btn-outline {
    background: #ffffff;
    border: 1.5px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.sol-btn-outline:hover {
    border-color: var(--brand-color);
    color: var(--brand-color);
    transform: translateY(-1px);
}

/* Hero Stats Row */
.sol-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    max-width: 600px;
}

.sol-stat-card {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 16px;
    backdrop-filter: blur(10px);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.sol-stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--brand-color);
    box-shadow: var(--shadow-soft);
}

.sol-stat-card .val {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--brand-color);
    line-height: 1;
    letter-spacing: -0.02em;
}

.sol-stat-card .unit {
    font-size: 1.1rem;
    margin-left: 2px;
}

.sol-stat-card .lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 6px;
    font-weight: 600;
}

/* Hero Preview Frame */
.sol-hero-media {
    position: relative;
}

.sol-media-frame {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 32px 64px -20px rgba(14, 17, 24, 0.25);
    transition: transform 0.3s ease;
}

.sol-media-frame:hover {
    transform: translateY(-4px);
}

.sol-media-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    background: #f1f5f9;
    border-bottom: 1px solid var(--border-color);
}

.sol-bar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.sol-media-url {
    margin-left: 12px;
    padding: 4px 14px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.76rem;
    color: var(--text-muted);
    font-family: monospace;
    flex: 1;
}

.sol-media-body {
    position: relative;
    overflow: hidden;
    height: 380px;
    background: #e2e8f0;
}

.sol-media-body img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================================================
   PAIN POINTS SECTION (Foxia 3-Grid Style)
   ========================================================================== */
.sol-pain-section {
    background: var(--bg-white);
    padding: 104px 0;
}

.sol-pain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.sol-pain-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.sol-pain-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-color);
    box-shadow: var(--shadow-lift);
}

.sol-pain-card .num {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--brand-color);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.sol-pain-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.sol-pain-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0 0 24px;
}

.sol-pain-card .stat-box {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 16px;
}

.sol-pain-card .stat-big {
    font-size: 1.9rem;
    font-weight: 800;
    color: #ef4444;
    line-height: 1;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.sol-pain-card .stat-lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.35;
    font-weight: 500;
}

/* ==========================================================================
   FEATURES SECTION (Alternating Layout)
   ========================================================================== */
.sol-features-section {
    background: var(--bg-cream);
    background-image: var(--grid-pattern);
    background-size: var(--grid-size);
    padding: 104px 0;
}

.sol-feature-rows {
    display: grid;
    gap: 60px;
}

.sol-feature-row {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
    gap: 56px;
    align-items: center;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 44px;
    box-shadow: 0 16px 40px -20px rgba(14, 17, 24, 0.08);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.sol-feature-row:hover {
    border-color: rgba(79, 70, 229, 0.25);
    box-shadow: var(--shadow-lift);
}

.sol-feature-row.reverse {
    grid-template-columns: minmax(420px, 1.12fr) minmax(0, 0.88fr);
}

.sol-feature-row.reverse .ftxt {
    order: 2;
}

.sol-feature-row.reverse .fmedia {
    order: 1;
}

.sol-feature-num {
    font-size: 4rem;
    font-weight: 900;
    line-height: 0.85;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--brand-color);
    margin-bottom: 12px;
    opacity: 0.7;
}

.sol-ftxt h3 {
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.sol-ftxt p {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 22px;
}

.sol-fbullets {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 26px;
}

.sol-fbullets li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
}

.sol-fbullets li i {
    color: #10b981;
    font-size: 0.95rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.sol-fstats-row {
    display: flex;
    gap: 32px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.sol-fstat-item .val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-color);
    line-height: 1;
}

.sol-fstat-item .lbl {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

.sol-fmedia-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 16px 36px -12px rgba(14, 17, 24, 0.15);
    background: #f1f5f9;
}

.sol-fmedia-frame img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.sol-feature-row:hover .sol-fmedia-frame img {
    transform: scale(1.03);
}

/* ==========================================================================
   METRICS SECTION
   ========================================================================== */
.sol-metrics-section {
    background: #ffffff;
    padding: 90px 0;
}

.sol-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.sol-metric-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.sol-metric-card:hover {
    transform: translateY(-4px);
    border-color: var(--brand-color);
    box-shadow: var(--shadow-lift);
}

.sol-metric-card .big-val {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--brand-color);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.03em;
}

.sol-metric-card .desc-lbl {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 600;
}

/* ==========================================================================
   CTA & OTHER MODULES SECTION
   ========================================================================== */
.sol-cta-section {
    padding: 104px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    color: #ffffff;
}

.sol-cta-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
    backdrop-filter: blur(10px);
}

.sol-cta-card h2 {
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.sol-cta-card p {
    color: #cbd5e1;
    font-size: 1.08rem;
    margin-bottom: 32px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.sol-other-modules {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 48px;
    text-align: center;
}

.sol-other-modules h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
}

.sol-module-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.sol-mod-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.88rem;
    font-weight: 700;
    color: #ffffff;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.sol-mod-link:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: #ffffff;
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
    .sol-hero-inner {
        grid-template-columns: 1fr;
    }
    
    .sol-pain-grid,
    .sol-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sol-feature-row,
    .sol-feature-row.reverse {
        grid-template-columns: 1fr;
    }
    
    .sol-feature-row.reverse .ftxt,
    .sol-feature-row.reverse .fmedia {
        order: initial;
    }
}

@media (max-width: 768px) {
    .sol-pain-grid,
    .sol-metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .sol-hero-stats {
        grid-template-columns: 1fr;
    }
    
    .sol-feature-row {
        padding: 28px;
    }
}