/* Reset and base styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
        height: 100%;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    padding-top: 98px; /* space for floating header */
    height: 100%;
}

main {
    flex: 1;
}


/* Main content wrapper */
.main-content {
    flex: 1;
    margin-top: 90px; /* Height of fixed header */
    padding: 2rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background: #007bff;
    color: #fff;
    border: 2px solid #007bff;
}

.btn-primary:hover {
    background: #0056b3;
    border-color: #0056b3;
}

.btn-outline {
    background: transparent;
    border: 2px solid #007bff;
    color: #007bff;
}

.btn-outline:hover {
    background: #007bff;
    color: #fff;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-in {
    animation: slideIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 540px;
    }
    
    html {
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .container {
        width: 100%;
        padding: 0 1.5rem;
    }
}

/* Partial-page navigation: header/footer persist while only main content changes */
body > main{
    view-transition-name:page-content;
    transition:opacity .18s ease,transform .22s ease;
}
body > .site-header{view-transition-name:site-header}
body > .site-footer{view-transition-name:site-footer}
::view-transition-old(page-content){
    animation:page-out .18s ease both;
}
::view-transition-new(page-content){
    animation:page-in .28s cubic-bezier(.22,1,.36,1) both;
}
::view-transition-old(site-header),
::view-transition-new(site-header),
::view-transition-old(site-footer),
::view-transition-new(site-footer){
    animation:none;
}
body > main.page-leave{opacity:0;transform:translateY(7px)}
body > main.page-enter{opacity:0;transform:translateY(7px)}
@keyframes page-out{to{opacity:0;transform:translateY(6px)}}
@keyframes page-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
    body > main{transition:none}
    ::view-transition-old(page-content),
    ::view-transition-new(page-content){animation:none}
}