:root {
    --font-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --color-bg: #0f172a;
    --color-bg-light: #f5f7fb;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-accent: #38bdf8;
    --color-text: #0b1120;
    --color-muted: #475569;
    --color-white: #ffffff;
    --container-width: min(1100px, 92vw);
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: var(--container-width);
    margin: 0 auto;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    position: relative;
    z-index: 10;
    color: var(--color-white);
}

.nav__brand {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.35rem;
    border-radius: 8px;
}

.nav__brand img {
    height: 48px;
    width: auto;
}

.nav__brand:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.nav__links {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: 1.8rem;
    font-weight: 500;
}

.nav__links a {
    position: relative;
}

.nav__links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
    width: 100%;
}

.hero {
    position: relative;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.55), transparent 55%),
        linear-gradient(160deg, #0b1120, #0f172a);
    color: var(--color-white);
    padding-bottom: 6rem;
    overflow: hidden;
}

.hero__inner {
    position: relative;
    padding: 0 1.5rem;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"><defs><linearGradient id="g" x1="0" y1="0" x2="1" y2="1"><stop stop-color="%232563eb" offset="0"/><stop stop-color="%2338bdf8" offset="1"/></linearGradient></defs><g fill="none" stroke="url(%23g)" stroke-width="1" opacity="0.08"><circle cx="200" cy="200" r="40"/><circle cx="200" cy="200" r="80"/><circle cx="200" cy="200" r="120"/><circle cx="200" cy="200" r="160"/><circle cx="200" cy="200" r="200"/></g></svg>')
        no-repeat center;
    background-size: 600px;
    opacity: 0.8;
}

.hero__content {
    position: relative;
    padding: 8rem 0 0;
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.hero__eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.4rem);
    letter-spacing: -0.01em;
    margin: 0 0 1.5rem;
}

.hero__copy {
    color: rgba(255, 255, 255, 0.78);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    max-width: 580px;
    margin-inline: auto;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.85rem 1.8rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.4);
}

.btn--ghost {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.8rem;
    margin-top: 3.5rem;
    justify-items: center;
}

.hero__stats div {
    text-align: center;
}

.hero__stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
}

.hero__stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.section {
    padding: 5.5rem 0;
    background-color: var(--color-white);
}

.section--light {
    background-color: var(--color-bg-light);
}

.section--alt {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(14, 116, 144, 0.1));
}

.section__intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3.5rem;
}

.section__intro h2 {
    font-size: clamp(2rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.section__logo {
    margin: 2rem auto 0;
    max-width: 160px;
    width: 60%;
    height: auto;
    display: block;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}

.pillar-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 14px;
    box-shadow: var(--shadow-soft);
}

.section__actions {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.service-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service-card {
    border-radius: 16px;
    padding: 2.5rem 2rem;
    background-color: var(--color-white);
    box-shadow: var(--shadow-soft);
}

.service-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15), rgba(56, 189, 248, 0.35));
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-bottom: 1.2rem;
}

.service-card h3 {
    margin: 0 0 1rem;
}

.service-card ul {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--color-muted);
}

.service-card li {
    margin-bottom: 0.75rem;
}

.approach {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    align-items: center;
}

.approach__card {
    background-color: var(--color-white);
    border-radius: 18px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-soft);
}

.approach__list {
    margin: 2rem 0 0;
    padding-left: 1.2rem;
}

.approach__list li {
    margin-bottom: 0.8rem;
}

.insights {
    background-color: var(--color-white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-soft);
}

.insights__header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.insights__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
}

.insight-card {
    background-color: var(--color-bg-light);
    border-radius: 12px;
    padding: 1.8rem;
}

.contact-card {
    background: radial-gradient(circle at top left, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.05)),
        var(--color-bg);
    color: var(--color-white);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.contact-card__cta {
    margin-top: 2rem;
}

.contact-card__note {
    margin-top: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer {
    padding: 3rem 0 2rem;
    background-color: #020617;
    color: rgba(255, 255, 255, 0.75);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer__links {
    display: flex;
    gap: 1.5rem;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.75);
}

.footer__links a:hover,
.footer__links a:focus-visible {
    color: var(--color-white);
}

.footer__legal {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 720px) {
    .nav__links {
        gap: 1.1rem;
        font-size: 0.9rem;
    }

    .nav__brand img {
        height: 42px;
    }

    .hero__content {
        padding-top: 6rem;
    }

    .hero__stats {
        gap: 1.2rem;
    }

    .section {
        padding: 4.5rem 0;
    }

    .insights {
        padding: 2.5rem 1.8rem;
    }

    .contact-card {
        padding: 2.5rem 1.8rem;
    }
}

@media (max-width: 540px) {
    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .footer__content {
        flex-direction: column;
    }
}
