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

:root {
    --bg:       #050c18;
    --surface:  #0b1628;
    --blue:     #3b82f6;
    --blue-lt:  #60a5fa;
    --teal:     #2dd4bf;
    --teal-lt:  #5eead4;
    --muted:    #64748b;
    --ink:      #e2e8f0;
    --border:   rgba(59, 130, 246, 0.14);
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ── Canvas ─────────────────────────────────────────────────────── */

#flow-canvas {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0; pointer-events: none;
}

/* ── Nav ─────────────────────────────────────────────────────────── */

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 8%;
    background: rgba(5, 12, 24, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}

.logo {
    font-family: 'Manrope', sans-serif;
    font-size: 1.4rem; font-weight: 800;
    letter-spacing: -0.5px;
    display: flex; align-items: baseline;
}

.logo-inflow { color: var(--blue); }
.logo-wise   { color: var(--teal); }

.nav-link {
    font-family: 'Manrope', sans-serif;
    font-weight: 700; font-size: 0.8rem;
    text-decoration: none;
    color: #fff;
    background: var(--blue);
    padding: 10px 22px; border-radius: 6px;
    letter-spacing: 0.2px;
    transition: background 0.2s, transform 0.2s;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--blue-lt);
    transform: translateY(-1px);
}

@media (max-width: 650px) {
    nav { padding: 14px 5%; }
    .logo { font-size: 1.15rem; }
    .nav-link { padding: 8px 14px; font-size: 0.74rem; }
}

/* ── Hero ────────────────────────────────────────────────────────── */

.hero {
    max-width: 1100px; margin: 0 auto;
    padding: 13vh 24px 5vh;
    text-align: center;
    position: relative; z-index: 1;
}

.hero-eyebrow {
    display: inline-block;
    font-family: 'Manrope', sans-serif;
    font-size: 0.7rem; font-weight: 600;
    letter-spacing: 3px; text-transform: uppercase;
    color: var(--teal);
    border: 1px solid rgba(45, 212, 191, 0.25);
    padding: 6px 18px; border-radius: 20px;
    margin-bottom: 28px;
    background: rgba(45, 212, 191, 0.06);
}

.brand-h1 {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(2.6rem, 10vw, 9rem);
    font-weight: 800; line-height: 0.95;
    margin: 0 0 28px;
    letter-spacing: -3px;
}

.brand-h1 .inflow { color: var(--blue); }
.brand-h1 .wise   { color: var(--teal); }

.hero-sub {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(0.95rem, 2vw, 1.2rem);
    font-weight: 600;
    color: var(--blue-lt);
    margin: 0 0 18px;
}

.hero-tagline {
    max-width: 650px; margin: 0 auto 60px;
    color: var(--muted);
    font-size: 1.04rem; line-height: 1.82;
}

@media (max-width: 480px) {
    .brand-h1 { letter-spacing: -1.5px; }
    .hero-tagline { font-size: 0.95rem; }
}

/* ── Cards ───────────────────────────────────────────────────────── */

.grid {
    max-width: 1100px; margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 18px;
    position: relative; z-index: 1;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 32px 26px;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 2px 16px rgba(59, 130, 246, 0.05);
    transition: transform 0.28s, box-shadow 0.28s, border-color 0.28s;
    position: relative; overflow: hidden;
}

.card::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--teal));
    opacity: 0; transition: opacity 0.3s;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.30);
}

.card:hover::after { opacity: 1; }

.card-icon {
    font-size: 1.4rem; margin-bottom: 14px; display: block;
}

.card-label {
    font-family: 'Manrope', sans-serif;
    font-size: 0.65rem; font-weight: 700;
    letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--teal); margin-bottom: 14px; display: block;
}

.card h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 1rem; font-weight: 700;
    margin: 0 0 12px; color: var(--ink);
    line-height: 1.35;
}

.card p {
    font-size: 0.91rem; line-height: 1.72;
    color: var(--muted); margin: 0;
}

/* ── Use cases ───────────────────────────────────────────────────── */

.use-cases {
    max-width: 1100px; margin: 64px auto 0;
    padding: 0 24px;
    text-align: center;
    position: relative; z-index: 1;
}

.use-cases-title {
    font-family: 'Manrope', sans-serif;
    font-size: 0.68rem; font-weight: 700;
    letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--muted); margin-bottom: 20px;
}

.pills {
    display: flex; flex-wrap: wrap;
    gap: 8px; justify-content: center;
}

.pill {
    font-family: 'Manrope', sans-serif;
    font-size: 0.8rem; font-weight: 600;
    color: var(--blue-lt);
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 6px 16px; border-radius: 999px;
}

/* ── CTA ─────────────────────────────────────────────────────────── */

.signal-line {
    padding: 88px 20px 100px;
    text-align: center;
    position: relative; z-index: 1;
}

.signal-inner { max-width: 520px; margin: 0 auto; }

.signal-status {
    font-family: 'Manrope', sans-serif;
    font-size: 0.7rem; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase;
    color: var(--teal); margin-bottom: 28px;
}

.signal-cta {
    display: inline-block;
    font-family: 'Manrope', sans-serif;
    font-weight: 700; font-size: 0.88rem;
    text-decoration: none;
    background: linear-gradient(135deg, var(--blue), var(--teal));
    color: #fff;
    padding: 16px 44px; border-radius: 8px;
    letter-spacing: 0.3px;
    transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.30);
}

.signal-cta:hover {
    opacity: 0.88;
    transform: translateY(-2px);
    box-shadow: 0 8px 36px rgba(59, 130, 246, 0.42);
}

.signal-sub {
    margin-top: 20px;
    font-size: 0.85rem;
    color: var(--muted);
}