:root {
    --color-primary: #1b2a41;
    --color-primary-dark: #0b1220;
    --color-accent: #7c5cff;
    --color-surface: #fffdf7;
    --color-text: #0f172a;
    --rgb-primary: 27,42,65;
    --rgb-accent: 124,92,255;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 26px;

    --shadow-sm: 0 1px 0 rgba(0,0,0,.03), 0 10px 22px rgba(15,23,42,.06);
    --shadow-md: 0 2px 0 rgba(0,0,0,.02), 0 18px 40px rgba(15,23,42,.10);
    --shadow-lg: 0 6px 0 rgba(0,0,0,.02), 0 26px 70px rgba(15,23,42,.16);

    --space-section: 3rem;
    --space-card: 1.25rem;
    --space-gap: 1rem;
    --transition: 560ms cubic-bezier(.2,.85,.25,1);
    --heading-weight: 700;
    --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: 5.25rem;
    padding-bottom: 5.25rem;
}
.card, [class*="card"] {
    border-radius: var(--radius-xl);
    box-shadow:
        0 1px 0 rgba(255,255,255,.7) inset,
        0 -1px 0 rgba(15,23,42,.05) inset,
        0 10px 26px rgba(15,23,42,.10),
        0 2px 8px rgba(124,92,255,.10);
    padding: var(--space-card);
    transition: transform 560ms cubic-bezier(.2,.85,.25,1), box-shadow 560ms cubic-bezier(.2,.85,.25,1), border-color 560ms cubic-bezier(.2,.85,.25,1), background-color 560ms cubic-bezier(.2,.85,.25,1);
}
.btn, button[class*="btn"], a[class*="btn"] {
    border-radius: 999px;
    transition: transform 520ms cubic-bezier(.2,.85,.25,1), box-shadow 520ms cubic-bezier(.2,.85,.25,1), background-color 520ms cubic-bezier(.2,.85,.25,1), border-color 520ms cubic-bezier(.2,.85,.25,1), color 520ms cubic-bezier(.2,.85,.25,1);
}
a:not([class]) { color: #4b5cff; transition: var(--transition); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:not([class]):hover { text-decoration-color: rgba(124,92,255,.55); }

::selection { background: rgba(124,92,255,.22); color: #0b1220; }
html { caret-color: var(--color-accent); accent-color: var(--color-accent); }

.card:hover, [class*="card"]:hover {
    transform: translateY(-6px);
    box-shadow:
        0 1px 0 rgba(255,255,255,.65) inset,
        0 -1px 0 rgba(15,23,42,.06) inset,
        0 16px 44px rgba(15,23,42,.14),
        0 0 0 4px rgba(124,92,255,.14),
        0 6px 18px rgba(124,92,255,.16);
}
.card { border: 1px solid rgba(var(--rgb-primary), .12); }

header, .header, .navbar {
    background: transparent;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.news-grid { display: flex; flex-direction: column; gap: var(--space-gap); }
.news-grid .card { display: grid; grid-template-columns: 280px 1fr; }

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

.hero-content { text-align: left; max-width: 600px; }

.testimonial-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); }

.partner-grid { display: flex; gap: 2rem; overflow: hidden; animation: partnerScroll 22s linear infinite; }
@keyframes partnerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

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

.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-gap); text-align: center; }

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

/* Breathing airy rhythm: subtle section striping via gradients */
section, .section {
    background-image:
        radial-gradient(900px 240px at 10% -10%, rgba(124,92,255,.10) 0%, rgba(124,92,255,0) 55%),
        radial-gradient(800px 220px at 90% 0%, rgba(51,65,85,.08) 0%, rgba(51,65,85,0) 52%),
        linear-gradient(180deg, rgba(255,253,247,1) 0%, rgba(255,253,247,.98) 100%);
    background-repeat: no-repeat;
    background-size: cover, cover, auto;
}

.section:nth-of-type(odd) { background-image: linear-gradient(180deg, #ffffff 0%, #fff8ea 100%); }
.section:nth-of-type(2n) { background-image: linear-gradient(180deg, #ffffff 0%, #f5f1ff 100%); }
.section:nth-of-type(3n) { background-image: linear-gradient(180deg, #0b1220 0%, #111c33 100%); }
.section:nth-of-type(4n) { background-image: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%); }

.section:nth-of-type(3n) { color: rgba(255,255,255,.92); }
.section:nth-of-type(3n) a:not([class]) { color: #c9b6ff; }
.section:nth-of-type(3n) .card, .section:nth-of-type(3n) [class*="card"] {
    background: rgba(255,255,255,.06);
    border-color: rgba(201,182,255,.22);
    box-shadow:
        0 1px 0 rgba(255,255,255,.10) inset,
        0 -1px 0 rgba(0,0,0,.24) inset,
        0 18px 52px rgba(0,0,0,.35),
        0 0 0 4px rgba(124,92,255,.12);
}

.card, [class*="card"] {
    background:
        linear-gradient(180deg, rgba(255,255,255,.86) 0%, rgba(255,255,255,.72) 100%);
    border-color: rgba(var(--rgb-primary), .12);
}

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

/* Responsive */
@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; }

    section, .section {
        padding-top: 4.25rem;
        padding-bottom: 4.25rem;
    }
}

@media (max-width: 640px) {
    :root { --space-section: 2rem; --space-card: 1rem; --space-gap: 0.75rem; --radius-xl: 22px; --transition: 520ms cubic-bezier(.2,.85,.25,1); }
    .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; }

    section, .section {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }
}