:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #1e40af;
    --color-accent: #60a5fa;
    --color-surface: #f1f5f9;
    --color-text: #0f172a;
    --rgb-primary: 59, 130, 246;
    --rgb-accent: 96, 165, 250;
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 6px;
    --radius-xl: 6px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 6px 16px rgba(15, 23, 42, 0.10), 0 2px 4px rgba(15, 23, 42, 0.06);
    --space-section: 4rem;
    --space-card: 1.6rem;
    --space-gap: 1.2rem;
    --transition: 0.16s cubic-bezier(0.2, 0, 0, 1);
    --heading-weight: 600;
    --body-line-height: 1.75;
}

body {
    background-color: var(--color-surface);
    color: var(--color-text);
    line-height: var(--body-line-height);
}

h1, h2, h3, h4 {
    font-weight: var(--heading-weight);
}

section, .section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}

.card, [class*="card"] {
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-card);
    transition: var(--transition);
}

.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
}

a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--space-gap) * 0.8);
}

.feature-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--space-gap) * 2);
    max-width: 720px;
    margin: 0 auto;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.testimonial-list {
    column-count: 2;
    column-gap: var(--space-gap);
}

.testimonial-list > * {
    break-inside: avoid;
    margin-bottom: var(--space-gap);
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: calc(var(--space-gap) * 1.5);
    align-items: center;
}

.faq-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-gap);
}

.stats-grid {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.page-main {
    max-width: 1200px;
    margin: 0 auto;
}

.card:hover, [class*="card"]:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero, [class*="hero"], section:first-of-type {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: #f8fafc;
    text-shadow: 0 1px 2px rgba(2, 6, 23, 0.4);
}

.card {
    border: 1px solid rgba(15, 23, 42, 0.08);
}

header, .header, .navbar {
    background-color: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
}

@media (max-width: 1024px) {
    .news-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .feature-list { grid-template-columns: repeat(2, 1fr) !important; }
    .partner-grid { grid-template-columns: repeat(3, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .hero-inner { grid-template-columns: 1fr !important; }
}

@media (max-width: 640px) {
    :root {
        --space-section: 1.6rem;
        --space-card: 0.8rem;
        --space-gap: 0.6rem;
    }
    .news-grid { grid-template-columns: 1fr !important; }
    .feature-list { grid-template-columns: 1fr !important; }
    .faq-list { grid-template-columns: 1fr !important; }
    .testimonial-list { column-count: 1 !important; }
    .partner-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .stats-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .cta-inner { grid-template-columns: 1fr !important; }
}