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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(180deg, #f8fafc, #eef2ff);
    color: #0f172a;
}

/* ===== CONTAINER ===== */
.container {
    width: 92%;
    max-width: 1100px;
    margin: auto;
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.8);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-weight: 700;
    font-size: 16px;
}

.logo span {
    background: linear-gradient(90deg, #6366f1, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-right a {
    margin-left: 15px;
    font-size: 13px;
    color: #334155;
    text-decoration: none;
}

/* ===== HERO ===== */
.hero {
    margin-top: 20px;
    padding: 90px 20px;
    border-radius: 16px;
    background: linear-gradient(135deg, #6366f1, #3b82f6);
    color: white;
    text-align: center;
}

.hero h1 {
    font-size: 32px;
    line-height: 1.3;
    margin-bottom: 15px;
}

.hero p {
    font-size: 14px;
    opacity: 0.95;
}

/* ===== BUTTON ===== */
.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 22px;
    border-radius: 10px;
    background: white;
    color: #4f46e5;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
}

/* ===== SUB TEXT ===== */
.sub-text {
    margin-top: 10px;
    font-size: 12px;
    opacity: 0.85;
}

/* ===== SECTION HEADER ===== */
.section-header {
    text-align: center;
    margin: 50px 0 25px;
}

.section-header h2 {
    font-size: 24px;
}

.section-header p {
    font-size: 13px;
    color: #64748b;
}

/* ===== GRID ===== */
.feature-grid,
.security-grid {
    display: grid;
    gap: 18px;
}

/* ===== CARD ===== */
.feature-card {
    padding: 18px;
    border-radius: 14px;
    background: white;
    box-shadow: 0 6px 20px rgba(0,0,0,0.06);
    transition: 0.25s;
}

.feature-card h3 {
    font-size: 15px;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 13px;
    color: #64748b;
}

/* ===== BADGE ===== */
.badge {
    margin-top: 8px;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 20px;
    background: #eef2ff;
    color: #6366f1;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 30px 10px;
    margin-top: 40px;
    font-size: 12px;
    color: #64748b;
}

/* ========================= */
/* 📱 MOBILE (DEFAULT GOOD) */
/* ========================= */

/* ========================= */
/* 💻 TABLET */
/* ========================= */
@media (min-width: 600px) {

    .feature-grid,
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 36px;
    }
}

/* ========================= */
/* 🖥️ DESKTOP */
/* ========================= */
@media (min-width: 992px) {

    .feature-grid,
    .security-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero {
        padding: 120px 40px;
    }

    .hero h1 {
        font-size: 44px;
    }
}