:root {
    --off-bg: #f0f2f5;
    --off-text: #1c1e21;
    --off-primary: #1877f2; /* Trust Blue */
    --off-secondary: #050505;
    --off-card: #ffffff;
    --off-border: #dadde1;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--off-bg); color: var(--off-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.off-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.off-header {
    background: var(--off-card); border-bottom: 1px solid var(--off-border);
    position: sticky; top: 0; z-index: 100;
}
.off-header-inner {
    display: flex; justify-content: space-between; align-items: center;
    height: 70px;
}
.off-brand {
    font-size: 26px; font-weight: 800; color: var(--off-primary);
    display: flex; align-items: center; gap: 8px; letter-spacing: -0.5px;
}
.off-brand::before { content: '🛡️'; font-size: 28px; }
.off-nav { display: flex; gap: 35px; }
.off-nav a {
    color: #65676b; text-decoration: none; font-size: 16px; font-weight: 600;
    padding: 23px 0; border-bottom: 3px solid transparent; transition: all 0.2s;
}
.off-nav a:hover, .off-nav a.active {
    color: var(--off-primary); border-bottom-color: var(--off-primary);
}

/* Hero */
.off-hero {
    background: var(--off-card); padding: 80px 0; margin-bottom: 40px;
    border-bottom: 1px solid var(--off-border); text-align: center;
}
.off-hero h1 { font-size: 48px; color: var(--off-secondary); margin-bottom: 20px; font-weight: 800; letter-spacing: -1px;}
.off-hero p { font-size: 20px; color: #65676b; max-width: 700px; margin: 0 auto 40px;}

.btn-off {
    display: inline-block; padding: 16px 45px; font-size: 18px; font-weight: bold;
    color: #fff; background: var(--off-primary); border-radius: 8px;
    text-decoration: none; transition: background 0.2s;
}
.btn-off:hover { background: #166fe5; }

/* Features */
.off-features { margin-bottom: 60px; }
.o-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.o-card {
    background: var(--off-card); padding: 35px 25px; border-radius: 12px;
    border: 1px solid var(--off-border); text-align: center;
}
.o-icon {
    width: 60px; height: 60px; background: #e7f3ff; color: var(--off-primary);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 28px; margin: 0 auto 20px;
}
.o-card h3 { font-size: 20px; color: var(--off-secondary); margin-bottom: 15px;}
.o-card p { font-size: 15px; color: #65676b; line-height: 1.5;}

/* Trust Section */
.off-trust {
    background: var(--off-card); padding: 60px 0; border-top: 1px solid var(--off-border);
    border-bottom: 1px solid var(--off-border); margin-bottom: 0;
}
.off-trust-inner { display: flex; align-items: center; justify-content: space-between; gap: 50px;}
.o-trust-text { flex: 1; }
.o-trust-text h2 { font-size: 32px; color: var(--off-secondary); margin-bottom: 20px;}
.o-trust-text p { font-size: 16px; color: #65676b; margin-bottom: 20px;}
.o-trust-img {
    flex: 1; height: 300px; background: #f0f2f5; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 60px;
}

footer {
    background: var(--off-card); text-align: center; padding: 40px 0;
    color: #8a8d91; font-size: 14px; border-top: 1px solid var(--off-border);
}

@media (max-width: 900px) {
    .o-grid { grid-template-columns: 1fr; }
    .off-trust-inner { flex-direction: column; text-align: center; }
}