/* =========================
   GLOBAL TYPOGRAPHY SYSTEM
   ========================= */

/* پایه اصلی */
html, body {
    font-family: "Yekan Bakh", IRANSans, Tahoma, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =========================
   PARAGRAPH SYSTEM
   ========================= */

p {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1rem;
    color: inherit;
}

/* متن‌های کوچک و کم‌رنگ */
.text-sm {
    font-size: 0.875rem;
}

.text-lg {
    font-size: 1.125rem;
}

/* =========================
   HEADINGS SYSTEM (STANDARD SCALE)
   ========================= */

h1, .h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 1rem;
}

h2, .h2 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 0.9rem;
}

h3, .h3 {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 0.8rem;
}

h4, .h4 {
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 0.7rem;
}

h5, .h5 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.6;
}

h6, .h6 {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.6;
}