@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-deep: #081a24;
    --bg-deeper: #051118;
    --blue-deep: #0d3a5c;
    --blue: #1f6e9c;
    --blue-light: #5fb3dd;
    --green-deep: #0f4b3a;
    --green: #2f9e6e;
    --green-light: #7fe0ae;
    --ink: #f3f8f8;
    --muted: #aecad2;
    --card-bg: rgba(255, 255, 255, 0.055);
    --card-border: rgba(255, 255, 255, 0.12);
    --nav-bg: rgba(5, 17, 24, 0.35);
    --nav-bg-scrolled: rgba(5, 17, 24, 0.86);
}

* { box-sizing: border-box; }

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body, html {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-deep);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    position: relative;
}

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

a {
    text-decoration: none;
}

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

.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 15% 10%, rgba(47, 158, 110, 0.18), transparent 45%),
        radial-gradient(circle at 85% 20%, rgba(31, 110, 156, 0.25), transparent 50%),
        linear-gradient(160deg, var(--bg-deeper) 0%, var(--bg-deep) 45%, var(--blue-deep) 130%);
}

#path-canvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

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

nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-sizing: border-box;
    transition: background 250ms ease, box-shadow 250ms ease;
}

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

nav.nav-scrolled {
    background: var(--nav-bg-scrolled);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

.logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.5px;
    background: linear-gradient(100deg, var(--green-light), var(--blue-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: font-size 250ms ease;
}

nav.nav-scrolled .logo {
    font-size: 1.25rem;
}

.nav-link {
    display: inline-block;
    background: linear-gradient(100deg, var(--green), var(--blue));
    color: var(--ink);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 26px;
    border-radius: 30px;
    transition: transform 250ms ease, box-shadow 250ms ease, padding 250ms ease, font-size 250ms ease;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

nav.nav-scrolled .nav-link {
    padding: 9px 20px;
    font-size: 0.88rem;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(47, 158, 110, 0.35);
    outline: none;
}

@media (max-width: 480px) {
    .nav-inner {
        padding: 16px 18px;
    }

    nav.nav-scrolled .nav-inner {
        padding: 10px 18px;
    }

    .logo {
        font-size: 1.15rem;
    }

    nav.nav-scrolled .logo {
        font-size: 1rem;
    }

    .nav-link {
        padding: 9px 16px;
        font-size: 0.82rem;
    }

    nav.nav-scrolled .nav-link {
        padding: 7px 14px;
        font-size: 0.74rem;
    }
}

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

.hero {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 13vh 24px 10vh;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.5px;
    background: linear-gradient(110deg, var(--ink) 20%, var(--green-light) 60%, var(--blue-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    margin: 28px auto 0;
    max-width: 680px;
    color: var(--muted);
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    line-height: 1.6;
}

@media (max-width: 480px) {
    .hero {
        padding: 11vh 18px 7vh;
    }
}

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

.cards-section {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 32px 110px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 18px;
    padding: 38px 35px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform 280ms ease, box-shadow 280ms ease, border-color 280ms ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.3);
    border-color: rgba(127, 224, 174, 0.4);
}

.card-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid rgba(127, 224, 174, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}

.card-icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--green-light);
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.card h3 {
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 14px;
    color: var(--ink);
}

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

@media (max-width: 480px) {
    .cards-section {
        padding: 16px 18px 70px;
    }

    .card {
        padding: 30px 24px;
    }
}

/* ---- CTA ---- */

.cta {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 60px 24px 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-status {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--green-light);
    margin-bottom: 22px;
}

.signal-cta {
    display: inline-block;
    background: linear-gradient(100deg, var(--green), var(--blue));
    color: var(--ink);
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 18px 48px;
    border-radius: 36px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: transform 250ms ease, box-shadow 250ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(47, 158, 110, 0.4);
    outline: none;
}

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

@media (max-width: 480px) {
    .signal-cta {
        padding: 15px 34px;
        font-size: 1rem;
    }

    .cta {
        padding: 40px 18px 90px;
    }
}

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

footer {
    position: relative;
    z-index: 10;
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--ink);
    background: var(--bg-deeper);
}

footer div {
    margin: 4px 0;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    nav,
    .nav-inner,
    .logo,
    .nav-link,
    .card,
    .signal-cta {
        transition: none;
    }
}