:root {
    --color-primary: #263445;
    --color-primary-dark: #1c2733;
    --color-accent: #5b9bd5;
    --color-surface: #eef2f7;
    --color-text: #1f2733;
    --rgb-primary: 38,52,69;
    --rgb-accent: 91,155,213;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 36px;
    --shadow-sm: 0 2px 4px rgba(18,28,38,0.04), 0 8px 16px -6px rgba(18,28,38,0.08);
    --shadow-md: 0 4px 8px rgba(18,28,38,0.05), 0 20px 40px -10px rgba(18,28,38,0.12);
    --shadow-lg: 0 8px 16px rgba(18,28,38,0.06), 0 32px 64px -12px rgba(18,28,38,0.16);
    --space-section: 2.75rem;
    --space-card: 1.375rem;
    --space-gap: 0.875rem;
    --transition: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    --heading-weight: 600;
    --body-line-height: 1.7;
}

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: #ffffff;
    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); }

/* Section Layout Variants */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }
.feature-list { display: flex; flex-direction: column; align-items: center; gap: calc(var(--space-gap) * 2); max-width: 720px; margin: 0 auto; }
.hero { padding: 2rem 0; } .hero-content { max-width: 560px; }
.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }
.partner-grid { display: flex; gap: 1.75rem; overflow: hidden; animation: partnerScroll 24s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.faq-list { max-width: 800px; margin: 0 auto; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); text-align: center; }
.cta-section { background: var(--color-primary); color: #f8fafc; padding: 4rem 2rem; }
.page-main { max-width: 1400px; margin: 0 auto; }

.card:hover, [class*="card"]:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
a:not([class]):hover { color: var(--color-accent); }
.card { border: 1px solid rgba(var(--rgb-primary), 0.1); }
header, .header, .navbar { box-shadow: 0 4px 12px rgba(18, 28, 38, 0.06); }

@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: 1.75rem; --space-card: 0.875rem; --space-gap: 0.625rem; --shadow-md: 0 3px 6px rgba(18,28,38,0.05), 0 12px 24px -8px rgba(18,28,38,0.12); }
    .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; }
}