@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
    --navy: #0a2a4d;
    --navy-light: #13406f;
    --blue: #2f6fed;
    --blue-deep: #1a56c4;
    --blue-light: #6fa8ff;
    --ice: #eaf2fb;
    --white: #ffffff;
    --muted: #4a6080;
    --radius: 16px;
}

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

html {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--navy);
    background: linear-gradient(160deg, #ffffff 0%, #eef4fb 50%, #e3edf9 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: 'Poppins', 'Inter', sans-serif;
    margin: 0;
}

p {
    margin: 0;
}

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

/* ---- Background canvas ---- */

#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    display: block;
}

/* ---- Content layering ---- */

.hero, .cards-section, .cta, .signal-line {
    position: relative;
    z-index: 2;
}

/* ---- Nav ---- */

.site-nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    z-index: 50;
    background: rgba(255,255,255,0.70);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(10,42,77,0.08);
    transition: background 250ms ease, box-shadow 250ms ease;
}

.site-nav.nav-scrolled {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 4px 24px rgba(10,42,77,0.10);
}

@media (prefers-reduced-motion: reduce) {
    .site-nav, .nav-inner, .logo, .nav-link {
        transition: none;
    }
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
    transition: padding 250ms ease;
}

.site-nav.nav-scrolled .nav-inner {
    padding: 12px 32px;
}

.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1.4rem;
    color: var(--navy);
    letter-spacing: -0.01em;
    transition: font-size 250ms ease;
}

.site-nav.nav-scrolled .logo {
    font-size: 1.15rem;
}

.logo span {
    color: var(--blue-deep);
    font-weight: 700;
}

.nav-link {
    display: inline-block;
    background: var(--navy);
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 999px;
    white-space: nowrap;
    transition: padding 250ms ease, font-size 250ms ease, background 250ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.site-nav.nav-scrolled .nav-link {
    padding: 8px 18px;
    font-size: 0.85rem;
}

.nav-link:hover {
    background: var(--blue-deep);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(47,111,237,0.35);
}

.nav-link:focus-visible {
    outline: 3px solid var(--blue-light);
    outline-offset: 2px;
}

@media (max-width: 480px) {
    .nav-inner {
        padding: 16px 18px;
    }
    .site-nav.nav-scrolled .nav-inner {
        padding: 10px 18px;
    }
    .logo {
        font-size: 1.1rem;
    }
    .site-nav.nav-scrolled .logo {
        font-size: 0.95rem;
    }
    .nav-link {
        padding: 9px 16px;
        font-size: 0.82rem;
    }
    .site-nav.nav-scrolled .nav-link {
        padding: 7px 14px;
        font-size: 0.72rem;
    }
}

/* ---- Hero ---- */

.hero {
    padding: 12vh 24px 8vh;
    text-align: center;
}

.hero-inner {
    max-width: 920px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.12;
    font-weight: 700;
    color: var(--navy);
    max-width: 14ch;
    margin: 0 auto 28px;
    letter-spacing: -0.015em;
}

.hero p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--muted);
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    line-height: 1.6;
}

@media (max-width: 480px) {
    .hero {
        padding: 10vh 16px 6vh;
    }
    .hero h1 {
        max-width: 100%;
    }
}

/* ---- Cards ---- */

.cards-section {
    padding: 4vh 24px 10vh;
}

.cards-grid {
    max-width: 1140px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(10,42,77,0.08);
    border-radius: var(--radius);
    padding: 38px 35px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 2px 10px rgba(10,42,77,0.05);
    transition: transform 220ms ease, box-shadow 220ms ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(10,42,77,0.12);
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 14px;
}

.card p {
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.65;
}

@media (max-width: 480px) {
    .cards-section {
        padding: 3vh 16px 8vh;
    }
    .card {
        padding: 28px 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .card {
        transition: none;
    }
}

/* ---- CTA / Signal line ---- */

.cta {
    text-align: center;
    padding: 10vh 24px 14vh;
}

.cta .signal-status {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--blue-deep);
    margin-bottom: 22px;
}

.cta .signal-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--blue), var(--navy-light));
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: clamp(1rem, 2vw, 1.25rem);
    padding: 20px 44px;
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(47,111,237,0.30);
    transition: transform 150ms ease, box-shadow 150ms ease;
}

.cta .signal-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(47,111,237,0.40);
}

.cta .signal-cta:focus-visible {
    outline: 3px solid var(--navy);
    outline-offset: 3px;
}

.cta .signal-sub {
    display: block;
    margin-top: 20px;
    color: var(--muted);
    font-size: 0.9rem;
}

@media (max-width: 480px) {
    .cta .signal-cta {
        padding: 16px 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cta .signal-cta {
        transition: none;
    }
}

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   spacing and contrast live here instead. */

footer {
    position: relative;
    z-index: 2;
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--navy);
    background: rgba(255,255,255,0.85);
}

footer a {
    color: inherit;
    text-decoration: underline;
}

footer div {
    margin: 4px 0;
}