:root {
    --cloud-white: #ffffff;
    --cloud-off: #f0f7ff;
    --sky-blue: #0ea5e9;
    --sky-light: #7dd3fc;
    --text-dark: #334155;
    --text-grey: #64748b;
    --shadow-soft: 0 10px 40px rgba(14, 165, 233, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: linear-gradient(180deg, var(--cloud-off) 0%, var(--cloud-white) 100%);
    color: var(--text-dark);
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    min-height: 100vh;
}
a { text-decoration: none; color: inherit; transition: 0.3s; }
.main-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 30px 0;
}
.brand {
    font-size: 24px; font-weight: 800; color: var(--sky-blue);
    display: flex; align-items: center; gap: 8px;
}
.brand-icon {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--sky-light), var(--sky-blue));
}
.menu-links { display: flex; gap: 40px; }
.menu-links a { color: var(--text-grey); font-weight: 600; font-size: 15px; }
.menu-links a:hover { color: var(--sky-blue); }
.btn-round {
    background: var(--sky-blue); color: #fff; padding: 12px 28px;
    border-radius: 40px; font-weight: bold;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}
.btn-round:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4); }

/* Hero */
.hero-box { text-align: center; padding: 80px 0; }
.hero-title { font-size: 52px; font-weight: 900; margin-bottom: 25px; color: #0f172a; }
.hero-desc { font-size: 18px; color: var(--text-grey); max-width: 650px; margin: 0 auto 40px; line-height: 1.8; }
.hero-btns { display: flex; justify-content: center; gap: 20px; }
.btn-outline-round {
    border: 2px solid var(--sky-blue); color: var(--sky-blue);
    padding: 12px 28px; border-radius: 40px; font-weight: bold; background: #fff;
}
.btn-outline-round:hover { background: var(--cloud-off); }

/* Trust tags */
.trust-tags {
    display: flex; justify-content: center; gap: 40px; margin-bottom: 60px;
}
.t-tag {
    background: #fff; padding: 10px 20px; border-radius: 20px;
    box-shadow: var(--shadow-soft); font-size: 14px; font-weight: 600; color: var(--text-grey);
}

/* Stats */
.stat-container {
    display: flex; justify-content: space-between; background: #fff;
    padding: 50px 80px; border-radius: 30px; box-shadow: var(--shadow-soft);
    margin-bottom: 100px;
}
.s-col { text-align: center; }
.s-num { font-size: 40px; font-weight: 900; color: var(--sky-blue); }
.s-txt { font-size: 14px; color: var(--text-grey); font-weight: 600; margin-top: 5px; }

/* Titles */
.section-title { text-align: center; font-size: 32px; font-weight: 800; margin-bottom: 50px; color: #0f172a;}

/* Features */
.feat-row { display: flex; gap: 30px; margin-bottom: 100px; }
.f-col {
    flex: 1; background: #fff; padding: 40px; border-radius: 30px;
    box-shadow: var(--shadow-soft); text-align: center;
}
.f-icon {
    width: 60px; height: 60px; border-radius: 20px; background: var(--cloud-off);
    margin: 0 auto 20px; display: flex; align-items: center; justify-content: center;
    color: var(--sky-blue); font-size: 24px; font-weight: bold;
}
.f-col h3 { font-size: 20px; margin-bottom: 15px; color: #0f172a; }
.f-col p { color: var(--text-grey); font-size: 15px; line-height: 1.6; }

/* Nodes */
.node-area {
    background: linear-gradient(135deg, var(--sky-blue), #38bdf8);
    border-radius: 40px; padding: 60px; text-align: center; margin-bottom: 100px;
    color: #fff;
}
.node-area h2 { margin-bottom: 40px; font-size: 28px; }
.node-wrap { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap;}
.n-pill { background: rgba(255,255,255,0.2); padding: 10px 20px; border-radius: 20px; font-weight: 600; display: flex; align-items: center; gap: 10px;}
.n-pill span { font-size: 12px; background: #fff; color: var(--sky-blue); padding: 2px 8px; border-radius: 10px;}

/* Comments */
.comments { display: flex; gap: 30px; margin-bottom: 100px;}
.c-box { flex: 1; background: #fff; padding: 30px; border-radius: 20px; box-shadow: var(--shadow-soft); }
.c-stars { color: #fbbf24; margin-bottom: 15px; }
.c-txt { font-size: 15px; color: var(--text-grey); margin-bottom: 20px; font-style: italic; }
.c-user { font-weight: 700; color: #0f172a; font-size: 14px; }

/* FAQ */
.faq-box { max-width: 800px; margin: 0 auto 100px; }
.fq-bar { background: #fff; margin-bottom: 15px; border-radius: 20px; box-shadow: var(--shadow-soft); padding: 5px 25px; }
.fq-q { font-weight: 700; padding: 15px 0; cursor: pointer; display: flex; justify-content: space-between; color: #0f172a;}
.fq-a { padding-bottom: 20px; color: var(--text-grey); font-size: 15px; display: none; border-top: 1px solid var(--cloud-off); margin-top: 10px; padding-top: 20px;}

/* Footer */
.foot { text-align: center; padding: 40px 0; color: var(--text-grey); font-weight: 600; border-top: 2px dashed #e2e8f0; }

@media (max-width: 800px) {
    .menu-links { display: none; }
    .stat-container { flex-wrap: wrap; gap: 30px; padding: 30px; }
    .s-col { width: 45%; }
    .feat-row, .comments { flex-direction: column; }
}