:root {
    --bg-900: #060d17;
    --bg-800: #0a1523;
    --bg-700: #102337;
    --text-100: #f2f7ff;
    --text-300: #c0cddd;
    --accent-400: #32d4d6;
    --accent-500: #23b8bb;
    --focus-400: #4aa3ff;
    --panel-bg: rgba(14, 30, 46, 0.7);
    --panel-border: rgba(69, 150, 255, 0.3);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    color: var(--text-100);
    background-color: var(--bg-900);
    background-image:
        radial-gradient(120% 100% at 8% -8%, rgba(50, 212, 214, 0.22) 0%, rgba(50, 212, 214, 0) 58%),
        radial-gradient(120% 100% at 95% 12%, rgba(74, 163, 255, 0.2) 0%, rgba(74, 163, 255, 0) 54%),
        linear-gradient(155deg, var(--bg-700) 0%, var(--bg-800) 48%, var(--bg-900) 100%);
    position: relative;
    min-height: 100vh;
}

/* Adds subtle texture to reduce visible gradient banding on large monitors. */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.16;
    background-image:
        repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 3px),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 4px);
    mix-blend-mode: soft-light;
}

h1,
h2,
h3,
.navbar-brand {
    font-family: "Space Grotesk", "Segoe UI", sans-serif;
    letter-spacing: 0.01em;
}

.hero {
    position: relative;
}

/* Soft transition from hero into the first section. */
.hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 7rem;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        rgba(6, 13, 23, 0) 0%,
        rgba(6, 13, 23, 0.5) 64%,
        rgba(6, 13, 23, 0.82) 100%
    );
}

.navbar-brand {
    color: var(--text-100);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--text-100);
}

.eyebrow {
    color: var(--accent-400);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.78rem;
}

.display-3 {
    font-weight: 700;
    line-height: 1.05;
    max-width: 12ch;
}

main {
    position: relative;
    z-index: 1;
}

#services {
    position: relative;
    margin-top: -0.75rem;
    padding-top: 4rem !important;
}

.lead,
.section-copy,
.signal-card p,
.service-card p,
.contact-panel p {
    color: var(--text-300);
}

.signal-card,
.service-card,
.contact-panel {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 1rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 45px rgba(1, 8, 18, 0.35);
}

.service-card {
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(50, 212, 214, 0.58);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

.btn-cta {
    background: linear-gradient(120deg, var(--accent-400), var(--focus-400));
    color: #042228;
    border: 0;
}

.btn-cta:hover {
    background: linear-gradient(120deg, #48dfe1, #62b0ff);
    color: #042228;
}

.orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.orb-one {
    height: 19rem;
    width: 19rem;
    background: radial-gradient(circle, rgba(50, 212, 214, 0.28) 0%, rgba(50, 212, 214, 0) 68%);
    top: -7rem;
    right: 8%;
    filter: blur(2px);
}

.orb-two {
    height: 22rem;
    width: 22rem;
    background: radial-gradient(circle, rgba(74, 163, 255, 0.22) 0%, rgba(74, 163, 255, 0) 72%);
    bottom: -11rem;
    left: -6rem;
    filter: blur(4px);
}

@media (max-width: 991px) {
    .display-3 {
        font-size: calc(1.75rem + 1.8vw);
    }

    .hero {
        overflow: hidden;
    }

    .hero::after {
        height: 5rem;
    }

    #services {
        margin-top: -0.4rem;
        padding-top: 3.25rem !important;
    }

    body::before {
        opacity: 0.12;
    }
}