:root {
    --ns-teal: #2AA5C4;
    --ns-teal-dark: #1E7F99;
    --ns-teal-light: #6FC7DE;
    --ns-gray-text: #555c63;
    --glass-bg: rgba(255, 255, 255, 0.28);
    --glass-bg-hover: rgba(255, 255, 255, 0.42);
    --glass-border: rgba(255, 255, 255, 0.85);
    --glass-highlight: rgba(255, 255, 255, 0.9);
    --glass-shadow: rgba(31, 122, 148, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ns-gray-text);
    min-height: 100vh;
    background: linear-gradient(160deg, #eaf7fb 0%, #d3edf5 35%, #bfe6f0 70%, #cdeef6 100%);
    position: relative;
    overflow-x: hidden;
}

/* Soft floating color blobs behind the glass */
.bg-shapes { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.shape { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5; }
.s1 { width: 420px; height: 420px; background: var(--ns-teal-light); top: -120px; left: -100px; }
.s2 { width: 380px; height: 380px; background: var(--ns-teal); bottom: -140px; right: -80px; }
.s3 { width: 300px; height: 300px; background: #ffffff; top: 40%; left: 60%; opacity: 0.4; }

.glass {
    position: relative;
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.15) 45%, rgba(255, 255, 255, 0.3) 100%),
        var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow:
        0 8px 32px var(--glass-shadow),
        inset 0 1px 1px rgba(255, 255, 255, 0.8),
        inset 0 -1px 1px rgba(255, 255, 255, 0.15);
    overflow: hidden;
    transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

/* Thin bright sheen along the very top edge — the "catching the light" look */
.glass::before {
    content: "";
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-highlight) 50%, transparent);
    opacity: 0.9;
}

/* Soft diagonal glare across the glass for extra depth */
.glass::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.35) 0%, transparent 30%);
    pointer-events: none;
}

/* ---------- Hero ---------- */
.hero { text-align: center; padding: 30px 20px 10px; }

.logo-card {
    max-width: 480px;
    margin: 0 auto 30px;
    padding: 30px 40px;
}

.pretitle { color: var(--ns-teal-dark); font-size: 1.1rem; letter-spacing: 0.5px; margin-bottom: 6px; }

.text-logo { font-size: 3.2rem; font-weight: 700; line-height: 1; }
.text-logo .ns { color: var(--ns-teal); }
.text-logo .group {
    color: #fff;
    background: var(--ns-teal);
    padding: 6px 18px;
    border-radius: 10px;
    margin-left: 6px;
    display: inline-block;
}

.tagline { margin-top: 14px; color: var(--ns-gray-text); font-size: 1rem; }

.site-logo-img { max-width: 100%; height: auto; }

.intro {
    max-width: 1100px;
    margin: 0 auto 20px;
    line-height: 1.5;
    font-size: 1.02rem;
}
/* ---------- Cards grid ---------- */
.grid-section { padding: 0px 20px 40px; }

.cards-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100px;
    padding: 20px;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    background:
        linear-gradient(155deg, rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0.2) 45%, rgba(255, 255, 255, 0.4) 100%),
        var(--glass-bg-hover);
    box-shadow:
        0 14px 36px rgba(31, 122, 148, 0.28),
        inset 0 1px 1px rgba(255, 255, 255, 0.9),
        inset 0 -1px 1px rgba(255, 255, 255, 0.2);
}

.card-logo-img { max-width: 100%; max-height: 100px; object-fit: contain; }

.logo-placeholder {
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ns-teal-dark);
    line-height: 1.4;
}

/* ---------- Footer ---------- */
.glass-bar {
    border-radius: 0;
    background: var(--ns-teal);
    border: none;
    box-shadow: none;
}

.site-footer {
    text-align: center;
    padding: 16px 20px;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    z-index: 10;
}
.site-footer p { color: #fff; font-size: 0.95rem; }

/* keep page content from hiding behind the fixed footer */
body { padding-bottom: 60px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .text-logo { font-size: 2.4rem; }
}

@media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
    .logo-card { padding: 24px; }
}