/* فونت وزیرمتن (محلی) */
@font-face{font-family:Vazirmatn;src:url('../vendor/vazirmatn/fonts/webfonts/Vazirmatn-Light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('../vendor/vazirmatn/fonts/webfonts/Vazirmatn-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('../vendor/vazirmatn/fonts/webfonts/Vazirmatn-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('../vendor/vazirmatn/fonts/webfonts/Vazirmatn-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:Vazirmatn;src:url('../vendor/vazirmatn/fonts/webfonts/Vazirmatn-ExtraBold.woff2') format('woff2');font-weight:800;font-style:normal;font-display:swap}

/* ==========================================================
   NAJIT Translation - style.css
   فهرست: Variables > Base > Header > Hero > About > Services >
          Contact > Footer > Modal (popup) > Utilities > Responsive
   ========================================================== */

/* --- Variables --- */
:root {
    --primary: #1a2a6c;
    --accent: #fdbb2d;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --bg-soft: #f4f7f6;
    --header-offset: 80px; /* فاصله اسکرول از هدر ثابت */
}

/* --- Base --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-offset); }
body {
    font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', Tahoma, sans-serif;
    color: var(--text-dark);
    line-height: 1.8;
    overflow-x: hidden;
    background: #fff;
}
body.no-scroll { overflow: hidden; }
/* المان‌های AOS قبل از انیمیشن بیرون صفحه‌اند؛ این خط جلوی اسکرول افقی را می‌گیرد */
main { overflow-x: clip; }
ul { list-style: none; }
a { text-decoration: none; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 85%; max-width: 1200px; margin: auto; }
.section { padding: 80px 0; }
.bg-light { background: var(--bg-soft); }
.text-center { text-align: center; }

/* Keyboard focus (دسترس‌پذیری و سئو) */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.skip-link {
    position: absolute; top: -100px; right: 10px; z-index: 2000;
    background: var(--accent); color: var(--primary);
    padding: 10px 20px; border-radius: 10px; font-weight: bold;
}
.skip-link:focus { top: 10px; }

/* --- HEADER (Floating Island Design) --- */
header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 1000;
    background: rgba(26, 42, 108, 0.7);
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 10px 30px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
header.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    background: rgba(26, 42, 108, 0.95);
}

.nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
.logo a { color: var(--text-light); font-size: 1.5rem; font-weight: 800; letter-spacing: 1px; display: inline-flex; align-items: center; gap: 10px; }
.logo-img { height: 44px; width: auto; flex: none; }
.logo-text { line-height: 1.2; }
.sub-logo { color: var(--accent); font-weight: 300; font-size: 0.9rem; margin-right: 5px; }

/* Desktop Nav */
.desktop-nav ul { display: flex; align-items: center; }
.desktop-nav li { margin-left: 22px; }
.desktop-nav li a { color: var(--text-light); font-weight: 500; font-size: 0.95rem; white-space: nowrap; }
.desktop-nav li a:hover { color: var(--accent); }

.nav-btn {
    background: var(--accent);
    color: var(--primary) !important;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: bold;
}

/* Hamburger (Mobile Only) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: 0;
    padding: 6px;
}
.hamburger span { width: 28px; height: 3px; background: var(--text-light); border-radius: 2px; transition: 0.3s; }

/* Mobile Menu: پنل شناور شیشه‌ای زیر هدر */
.mobile-overlay {
    position: fixed; inset: 0; z-index: 999;
    visibility: hidden;
    transition: visibility 0s linear 0.5s;
}
.mobile-overlay.active { visibility: visible; transition-delay: 0s; }
/* مهم: opacity روی والد باعث می‌شود blur ناگهانی ظاهر شود، پس روی خود backdrop انیمیت می‌کنیم */
.mobile-backdrop {
    position: absolute; inset: 0;
    background: rgba(8, 12, 40, 0);
    -webkit-backdrop-filter: blur(0px); backdrop-filter: blur(0px);
    transition: background-color 0.5s ease, -webkit-backdrop-filter 0.5s ease, backdrop-filter 0.5s ease;
}
.mobile-overlay.active .mobile-backdrop {
    background: rgba(8, 12, 40, 0.5);
    -webkit-backdrop-filter: blur(7px); backdrop-filter: blur(7px);
}
.mobile-panel {
    position: absolute; top: var(--menu-top, 80px); left: 2.5%; right: 2.5%;
    max-height: calc(100dvh - var(--menu-top, 80px) - 16px); overflow-y: auto;
    background: rgba(26, 42, 108, 0.97);
    border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 26px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    padding: 10px 14px 16px;
    opacity: 0; transform: translateY(-14px) scale(0.98); transform-origin: top center;
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.3s ease;
}
.mobile-overlay.active .mobile-panel { opacity: 1; transform: none; }
.mobile-nav-links li + li { border-top: 1px solid rgba(255, 255, 255, 0.08); }
.mobile-nav-links a {
    display: flex; align-items: center; gap: 14px;
    color: var(--text-light); font-size: 1.05rem; font-weight: 500;
    padding: 12px 8px; border-radius: 14px;
}
.mobile-nav-links a > i:first-child {
    width: 38px; height: 38px; border-radius: 12px; flex: none;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255, 255, 255, 0.09); color: var(--accent); font-size: 1rem;
}
.mobile-nav-links a .chev { margin-right: auto; font-size: 0.75rem; opacity: 0.45; }
.mobile-nav-links a:active, .mobile-nav-links a[aria-current="page"] { background: rgba(253, 187, 45, 0.13); color: var(--accent); }
.mobile-cta { margin-top: 10px; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.mobile-cta .mobile-cta-main { display: block; width: 100%; text-align: center; margin: 0 0 12px; padding: 14px; }
.mobile-quick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mobile-quick a { display: flex; align-items: center; justify-content: center; gap: 8px; color: #fff; padding: 11px; border-radius: 14px; font-weight: 500; font-size: 0.95rem; }
.mobile-quick .telegram { background: #0070a8; }
.mobile-quick .whatsapp { background: #12803c; }
.mobile-hours { margin-top: 12px; text-align: center; font-size: 0.8rem; color: rgba(255, 255, 255, 0.7); line-height: 1.8; }
.mobile-hours i { color: var(--accent); margin-left: 4px; }
/* ورود تدریجی آیتم‌ها */
.mobile-overlay.active .mobile-nav-links li, .mobile-overlay.active .mobile-cta { animation: menu-item-in 0.4s ease both; }
.mobile-overlay.active .mobile-nav-links li:nth-child(1) { animation-delay: 0.05s; }
.mobile-overlay.active .mobile-nav-links li:nth-child(2) { animation-delay: 0.09s; }
.mobile-overlay.active .mobile-nav-links li:nth-child(3) { animation-delay: 0.13s; }
.mobile-overlay.active .mobile-nav-links li:nth-child(4) { animation-delay: 0.17s; }
.mobile-overlay.active .mobile-nav-links li:nth-child(5) { animation-delay: 0.21s; }
.mobile-overlay.active .mobile-cta { animation-delay: 0.26s; }
@keyframes menu-item-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    min-height: 100svh;
    background: #1a2a6c url('../assets/images/hero-bg-900.webp') no-repeat center center / cover;
    display: flex; align-items: center; justify-content: center;
    position: relative; color: var(--text-light);
    padding: 120px 0 60px; /* جلوگیری از رفتن محتوا زیر هدر در صفحه‌های کوتاه */
}
@media (min-width: 901px) { .hero { background-image: url('../assets/images/hero-bg-2000.webp'); } }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(26,42,108,0.7), rgba(0,0,0,0.5));
}
.hero-content { position: relative; z-index: 2; text-align: center; }
.hero h1 { font-size: 3.5rem; line-height: 1.2; margin-bottom: 20px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 1.3rem; opacity: 0.9; margin-bottom: 40px; }

.btn-primary { background: var(--accent); color: var(--primary); padding: 15px 35px; border-radius: 50px; font-weight: bold; display: inline-block; margin: 10px; border: 0; cursor: pointer; font-family: inherit; font-size: 1rem; }
.btn-outline { border: 2px solid var(--text-light); color: var(--text-light); padding: 13px 35px; border-radius: 50px; display: inline-block; margin: 10px; }

/* --- ABOUT SECTION --- */
.about-container { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.placeholder-img { width: 100%; height: 400px; background: #ddd; border-radius: 20px; display: flex; align-items: center; justify-content: center; color: #666; font-weight: bold; }
.about-image picture { display: block; }
.about-image img { width: 100%; height: auto; aspect-ratio: 4 / 3; border-radius: 20px; object-fit: cover; box-shadow: 0 16px 40px rgba(26, 42, 108, 0.15); }
.check-list { margin-top: 20px; }
.check-list li { margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.check-list i { color: #27ae60; font-size: 1.2rem; }

/* --- SERVICES --- */
.section-title { font-size: 2.5rem; margin-bottom: 50px; text-align: center; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 30px; }
.service-card { background: #fff; padding: 40px; border-radius: 20px; text-align: center; transition: 0.4s; box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-bottom: 5px solid transparent; }
.service-card:hover { transform: translateY(-10px); border-bottom-color: var(--accent); }
.icon { font-size: 3rem; color: var(--primary); margin-bottom: 20px; display: block; }

/* --- CONTACT --- */
.contact-box { background: var(--primary); color: #fff; padding: 60px; border-radius: 30px; text-align: center; }
.contact-info { max-width: 560px; margin: 25px auto 0; text-align: right; display: grid; gap: 10px; }
.contact-info li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; opacity: 0.95; }
.contact-info i { color: var(--accent); margin-top: 6px; width: 1.2em; text-align: center; }
.contact-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 40px; flex-wrap: wrap; }
.btn-social { padding: 15px 30px; border-radius: 50px; color: #fff; font-weight: bold; display: flex; align-items: center; gap: 10px; min-width: 160px; justify-content: center; }
.btn-social:hover { filter: brightness(1.1); transform: translateY(-2px); }
.telegram { background: #0070a8; }
.whatsapp { background: #12803c; } /* کمی تیره‌تر از #25d366 برای خوانایی متن سفید */
.email { background: #d93025; }

/* --- FOOTER --- */
footer { background: #111; color: #999; text-align: center; padding: 30px 0; font-size: 0.9rem; }

/* --- MODAL / POPUP (روی <dialog> بومی؛ بدون کتابخانه) --- */
.modal {
    border: 0; border-radius: 24px; padding: 40px 30px;
    width: min(92%, 480px); margin: auto; text-align: center;
    background: #fff; color: var(--text-dark);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal::backdrop { background: rgba(10, 15, 40, 0.6); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.modal[open] { animation: modal-in 0.3s ease; }
.modal h2 { color: var(--primary); margin-bottom: 10px; }
.modal p { margin-bottom: 20px; }
.modal-close {
    position: absolute; top: 12px; left: 16px;
    background: none; border: 0; font-size: 2rem; line-height: 1; cursor: pointer; color: #666;
}
.modal-close:hover { color: var(--primary); }
@keyframes modal-in { from { opacity: 0; transform: translateY(20px) scale(0.97); } to { opacity: 1; transform: none; } }

/* --- RESPONSIVE --- */
/* منوی همبرگری تا عرض ۱۲۰۰px (۶ آیتم منو در عرض‌های کمتر جا نمی‌شود) */
@media (max-width: 1200px) {
    header { width: 95%; top: 10px; padding: 10px 20px; }
    .desktop-nav { display: none; }
    .hamburger { display: flex; }
    .hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
}

@media (max-width: 768px) {
    .about-container { grid-template-columns: 1fr; text-align: center; }
    .about-image { order: 2; }
    .about-text { order: 1; }
    .check-list li { justify-content: center; }

    .hero h1 { font-size: 2.2rem; }
    .hero p { font-size: 1rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; margin-bottom: 35px; }
    .contact-box { padding: 40px 20px; }
}

@media (max-width: 400px) {
    .container { width: 90%; }
    .hero h1 { font-size: 1.9rem; }
    .btn-primary, .btn-outline { padding-inline: 25px; }
    .btn-social { width: 100%; }
}

/* احترام به تنظیم «کاهش حرکت» کاربر */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}


/* ==========================================================
   صفحه‌های محتوایی (مقاله، مدارک) و بخش‌های جدید صفحه اصلی
   ========================================================== */
.desktop-nav li a[aria-current="page"] { color: var(--accent); }
.mobile-nav-links a[aria-current="page"] { color: var(--accent); }

.btn-outline-dark { border: 2px solid var(--primary); color: var(--primary); padding: 13px 35px; border-radius: 50px; display: inline-block; font-weight: bold; margin: 10px; }
.btn-outline-dark:hover { background: var(--primary); color: #fff; }
.section-more { text-align: center; margin-top: 40px; }
.text-link { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; font-weight: 500; }
.text-link:hover { color: #0f1a4d; }

/* Home: teaser + steps */
.teaser { max-width: 820px; margin: auto; text-align: center; }
.teaser h2 { font-size: 2.2rem; color: var(--primary); margin-bottom: 20px; }
.teaser p { font-size: 1.05rem; }
.teaser-actions { margin-top: 20px; }

.steps-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr)); gap: 20px; counter-reset: step; }
.steps-grid li { counter-increment: step; background: #fff; border-radius: 20px; padding: 30px 20px 24px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.steps-grid li::before {
    content: counter(step, persian);
    display: flex; align-items: center; justify-content: center;
    width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%;
    background: var(--primary); color: var(--accent); font-weight: bold; font-size: 1.2rem;
}
.steps-grid h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--primary); }
.steps-grid p { font-size: 0.92rem; }

/* Footer extras */
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; margin-bottom: 18px; }
.footer-links a { color: #ccc; }
.footer-links a:hover { color: var(--accent); }
.disclaimer { max-width: 760px; margin: 0 auto 14px; font-size: 0.82rem; line-height: 1.9; }

/* Page hero (inner pages) */
.page-hero { background: linear-gradient(135deg, #1a2a6c, #0f1a4d); color: #fff; padding: 140px 0 60px; }
.page-hero h1 { font-size: 2.2rem; line-height: 1.6; max-width: 900px; margin-bottom: 16px; }
.page-hero .lead { max-width: 820px; opacity: 0.92; font-size: 1.05rem; }
.breadcrumb { font-size: 0.9rem; margin-bottom: 18px; opacity: 0.9; }
.breadcrumb a { color: var(--accent); }
.breadcrumb i { font-size: 0.7rem; margin: 0 6px; }

/* Article layout */
.article-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 40px; padding: 60px 0; align-items: start; }
.page-narrow { max-width: 820px; padding: 60px 0; }
.toc { position: sticky; top: 100px; background: var(--bg-soft); border-radius: 20px; padding: 24px; }
.toc-title { font-weight: bold; color: var(--primary); margin-bottom: 10px; }
.toc ol { list-style: persian inside; }
.toc li { padding: 4px 0; font-size: 0.92rem; line-height: 1.7; }
.toc a { color: var(--text-dark); }
.toc a:hover { color: var(--primary); text-decoration: underline; }

.article > p, .article p { margin-bottom: 16px; }
.article h2 { font-size: 1.7rem; color: var(--primary); margin: 44px 0 16px; line-height: 1.6; }
.article > h2:first-child { margin-top: 0; }
.article h3 { font-size: 1.15rem; color: var(--text-dark); margin: 26px 0 10px; }
.article ul { list-style: disc; padding-right: 1.4em; margin-bottom: 16px; }
.article ul li { margin-bottom: 6px; }

.callout { background: #fff8e6; border-right: 4px solid var(--accent); border-radius: 12px; padding: 18px 22px; margin: 24px 0; }
.callout strong { display: block; color: var(--primary); margin-bottom: 6px; }
.callout strong i { color: #c98a00; margin-left: 6px; }
.callout p { margin: 0; font-size: 0.95rem; }

.country-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 20px; margin: 20px 0; }
.country-card { background: var(--bg-soft); border-radius: 18px; padding: 22px; }
.country-card h3 { margin-top: 0; color: var(--primary); }
.country-card h3 i { margin-left: 8px; }
.country-card p { font-size: 0.95rem; margin: 0; }

.table-wrap { overflow-x: auto; margin: 20px 0; }
.compare { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 480px; }
.compare th, .compare td { border: 1px solid #dfe5e3; padding: 12px 14px; text-align: right; }
.compare thead th { background: var(--primary); color: #fff; }
.compare tbody th { background: var(--bg-soft); width: 22%; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 20px 0; }
.steps li { counter-increment: s; position: relative; padding: 4px 62px 18px 0; margin-bottom: 8px; }
.steps li::before {
    content: counter(s, persian); position: absolute; right: 0; top: 0;
    width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: var(--accent);
    display: flex; align-items: center; justify-content: center; font-weight: bold;
}
.steps li strong { display: block; color: var(--primary); font-size: 1.05rem; margin-bottom: 4px; }

.faq details { background: var(--bg-soft); border-radius: 14px; padding: 4px 20px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: bold; padding: 14px 0; color: var(--primary); }
.faq details[open] summary { border-bottom: 1px solid #dfe5e3; margin-bottom: 12px; }
.faq details p { margin-bottom: 14px; }

.doc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 20px; margin: 20px 0 24px; }
.doc-card { background: var(--bg-soft); border-radius: 18px; padding: 24px; }
.doc-card > i { font-size: 2rem; color: var(--primary); margin-bottom: 12px; display: block; }
.doc-card h3 { margin: 0 0 10px; color: var(--primary); }
.doc-card ul { margin-bottom: 0; font-size: 0.95rem; }

.cta-box { background: var(--primary); color: #fff; border-radius: 24px; padding: 40px 28px; text-align: center; margin-top: 50px; }
.article .cta-box h2 { color: #fff; margin: 0 0 12px; font-size: 1.5rem; }
.cta-box p { opacity: 0.92; }

@media (max-width: 900px) {
    .article-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 40px 0; }
    .toc { position: static; }
}
@media (max-width: 768px) {
    .page-hero { padding: 110px 0 40px; }
    .page-hero h1 { font-size: 1.6rem; }
    .article h2 { font-size: 1.4rem; }
    .teaser h2 { font-size: 1.8rem; }
    .page-narrow { padding: 40px 0; }
}

.article { overflow-wrap: anywhere; min-width: 0; }

.footer-logo { margin: 0 auto 14px; height: 48px; width: auto; opacity: 0.95; }
@media (max-width: 400px) { .logo a { font-size: 1.25rem; gap: 8px; } .logo-img { height: 36px; } }


/* ==========================================================
   اصلاحات موبایل: هم‌ترازی لوگو و همبرگر، جلوگیری از شکستن نام برند،
   و کوچک‌تر شدن فونت در گوشی
   ========================================================== */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
.logo { display: flex; align-items: center; }
.logo a { line-height: 1; white-space: nowrap; }
.logo-text { direction: ltr; display: inline-flex; align-items: baseline; gap: 6px; white-space: nowrap; }
.logo-text .sub-logo { margin: 0; }
.hamburger { align-self: center; }

@media (max-width: 1200px) {
    .nav-wrapper.container { width: 100%; max-width: none; } /* هدر خودش padding دارد */
}
@media (max-width: 600px) {
    header { padding: 8px 16px; }
    .logo a { font-size: 1.2rem; gap: 8px; }
    .logo-text .sub-logo { font-size: 0.78rem; }
    .logo-img { height: 34px; }
}
@media (max-width: 480px) {
    html { font-size: 15px; }
}
@media (max-width: 360px) {
    html { font-size: 14.5px; }
    .logo a { font-size: 1.05rem; gap: 6px; }
    .logo-text { gap: 4px; }
    .logo-text .sub-logo { font-size: 0.7rem; }
    .logo-img { height: 30px; }
}

.about-text h2 { margin-bottom: 12px; }
.about-text p { margin-bottom: 14px; }

.contact-info a.text-link-light { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; font-weight: 500; }


.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* ظاهر شدن بخش‌ها هنگام اسکرول (جایگزین سبک AOS؛ اگر JS اجرا نشود همه‌چیز عادی دیده می‌شود) */
.aos-pre { opacity: 0; transition: opacity 0.8s ease, transform 0.8s ease; }
.aos-pre[data-aos="fade-up"] { transform: translateY(32px); }
.aos-pre[data-aos="fade-left"] { transform: translateX(40px); }
.aos-pre[data-aos="fade-right"] { transform: translateX(-40px); }
.aos-pre.aos-in { opacity: 1; transform: none; }

/* ==========================================================
   صفحه ۴۰۴
   ========================================================== */
.nf { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px; padding: 32px 20px; position: relative; overflow: hidden; background: linear-gradient(135deg, #1a2a6c 0%, #0f1a4d 100%); }
.nf-bg { position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(circle at 12% 18%, rgba(253, 187, 45, 0.20), transparent 38%),
        radial-gradient(circle at 88% 82%, rgba(255, 255, 255, 0.10), transparent 42%),
        radial-gradient(rgba(255, 255, 255, 0.07) 1.2px, transparent 1.5px) 0 0 / 26px 26px; }
.nf-brand { position: relative; display: inline-flex; align-items: center; gap: 12px; direction: ltr; color: #fff; font-weight: 800; font-size: 1.35rem; letter-spacing: 1px; line-height: 1; }
.nf-brand small { color: var(--accent); font-weight: 300; font-size: 0.8rem; margin-left: 6px; letter-spacing: 0.5px; }
.nf-logo { width: 58px; height: 44px; flex: none; background: url('../assets/logo.svg') center / contain no-repeat; animation: nf-float 4s ease-in-out infinite; }
.nf-card { position: relative; width: 100%; max-width: 560px; background: #fff; border-radius: 28px; padding: 44px 36px 34px; text-align: center; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35); }
.nf-code { direction: ltr; font-size: clamp(5rem, 22vw, 8.5rem); font-weight: 800; line-height: 1; letter-spacing: 4px; margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary), #3b52c4 55%, var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.nf-card h1 { font-size: 1.6rem; color: var(--primary); margin-bottom: 10px; line-height: 1.6; }
.nf-text { color: #4a5568; margin-bottom: 20px; }
.nf-actions { display: flex; flex-wrap: wrap; justify-content: center; }
.nf-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px; padding-top: 22px; border-top: 1px solid #e6ebf5; }
.nf-links a { display: inline-block; padding: 8px 18px; border-radius: 50px; background: var(--bg-soft); color: var(--primary); font-size: 0.92rem; font-weight: 500; }
.nf-links a:hover { background: var(--primary); color: #fff; }
@keyframes nf-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@media (max-width: 480px) { .nf-card { padding: 34px 20px 26px; } .nf-card h1 { font-size: 1.35rem; } .nf-brand { font-size: 1.15rem; } }