:root {
    --glass-bg: rgba(16, 18, 40, 0.48);
    --glass-border: rgba(255, 255, 255, 0.18);
    --text-primary: #ffffff;
    --text-secondary: #cdd5ff;
    --accent-pink: #ff4fd8;
    --accent-blue: #48c6ff;
    --accent-purple: #9a6bff;
}

body {
    margin: 0;
    font-family: 'Vazirmatn', sans-serif;
    background: #0c0f20;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

#canvasBg {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
}

.container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 40px;
    position: relative;
    z-index: 1;
}

h1 {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 40px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    position: sticky;
    top: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(60px);
    border: 5px solid var(--glass-border);
    border-radius: 30px;
    padding: 1%;
    text-align: center;
    margin-bottom: 50px;
    z-index: 10;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

nav a {
    color: var(--text-primary);
    text-decoration: none;
    margin: 0 12px;
    padding: 10px 10px;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
    font-size: 16px;
}

nav a:hover {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-pink));
    color: #0b0e1e;
    transform: translateY(-2px);
}

section {
    margin: 60px 0;
    padding: 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(200px);
    border: 5px solid var(--glass-border);
    border-radius: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

h2 {
    font-size: 28px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
}

h2::before {
    content: '';
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: linear-gradient(var(--accent-blue), var(--accent-pink));
    box-shadow: 0 0 15px var(--accent-pink);
    flex-shrink: 0;
}

p {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    margin: 25px auto;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
}

.next-btn {
    display: block;
    width: fit-content;
    margin: 60px auto 20px;
    padding: 15px 40px;
    font-size: 20px;
    font-weight: bold;
    color: #0b0e1e;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-pink));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 8px 25px rgba(255, 78, 216, 0.4);
    transition: all 0.3s ease;
}

.next-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(255, 78, 216, 0.6);
}

html {
    scroll-behavior: smooth;
}

@font-face {
    font-family: 'FarMorvarid';
    src: url('fonts/FarMorvarid.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: 'FarMorvarid', sans-serif;
    font-size: 40px;  /* بزرگ کن تا تغییر واضح باشه */
    direction: rtl;
    line-height: 2;   /* فاصله خطوط رو بیشتر کن */
}

@media (max-width: 768px) {
    .container { margin: 20px; padding: 20px; }
    nav a { display: block; margin: 8px 0; padding: 12px; }
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
}