:root {
    --color-primary: #1f6feb;
    --color-primary-dark: #165abf;
    --color-accent: #26c6da;
    --color-surface: #f4f7ff;
    --color-text: #1c2430;
    --rgb-primary: 31,111,235;
    --rgb-accent: 38,198,218;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm:
        0 1px 0 rgba(16, 24, 40, .06),
        0 10px 22px rgba(16, 24, 40, .06);
    --shadow-md:
        0 1px 0 rgba(16, 24, 40, .04),
        0 10px 24px rgba(16, 24, 40, .08),
        0 2px 8px rgba(31, 111, 235, .10);
    --shadow-lg:
        0 1px 0 rgba(16, 24, 40, .04),
        0 18px 45px rgba(16, 24, 40, .10),
        0 10px 20px rgba(31, 111, 235, .10),
        0 2px 8px rgba(38, 198, 218, .10);
    --space-section: 3rem;
    --space-card: 1.15rem;
    --space-gap: 1.05rem;
    --transition: 520ms cubic-bezier(.16,.84,.28,.98);
    --heading-weight: 650;
    --body-line-height: 1.65;
}

body { 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"] {
    border-radius: var(--radius-lg);
    box-shadow:
        0 0 0 1px rgba(21, 33, 47, .06) inset,
        0 1px 0 rgba(255,255,255,.65),
        0 18px 38px rgba(21, 33, 47, .10),
        0 10px 22px rgba(31, 111, 235, .10);
    padding: var(--space-card);
    transition: var(--transition);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: var(--radius-md);
    transition: var(--transition);
    outline: 1px solid transparent;
    outline-offset: 2px;
}
a:not([class]) {
    color: var(--color-primary);
    transition: var(--transition);
    text-shadow: 0 1px 0 rgba(255,255,255,.55);
}

section, .section { background: transparent; }
header, .header, .navbar {
    box-shadow:
        0 0 0 1px rgba(21, 33, 47, .05) inset,
        0 14px 34px rgba(21, 33, 47, .08);
}

.card { border-left: 4px solid var(--color-primary); }

a:not([class]):hover {
    color: var(--color-accent);
    text-shadow: 0 6px 22px rgba(38, 198, 218, .20);
}

.news-grid { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: auto auto; gap: var(--space-gap); }
.news-grid > *:first-child { grid-row: span 2; }

.feature-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-gap); }

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.testimonial-list { display: flex; flex-direction: column; gap: var(--space-gap); max-width: 720px; margin: 0 auto; }

.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-section {
    background:
        radial-gradient(1200px 500px at 10% 10%, rgba(38, 198, 218, .35) 0%, rgba(38, 198, 218, 0) 55%),
        radial-gradient(900px 420px at 80% 20%, rgba(31, 111, 235, .35) 0%, rgba(31, 111, 235, 0) 60%),
        linear-gradient(135deg, #1f3cff 0%, #1f6feb 45%, #165abf 100%);
    color: #f8fbff;
    padding: 4rem 2rem;
    box-shadow:
        0 0 0 1px rgba(255,255,255,.14) inset,
        0 24px 60px rgba(21, 33, 47, .18);
}

.page-main { max-width: 860px; margin: 0 auto; }

@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: 2.2rem; --space-card: 1rem; --space-gap: 0.9rem; }
    .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; }
}