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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Vazirmatn", Tahoma, sans-serif;
    background: #020817;
    color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

button,
input,
textarea {
    font-family: inherit;
}


/* =========================================================
   BACKGROUND & EFFECTS
========================================================= */
.background {
    position: fixed;
    inset: 0;
    z-index: -10;
    overflow: hidden;
    background:
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, .20), transparent 35%),
        radial-gradient(circle at 85% 70%, rgba(6, 182, 212, .16), transparent 35%),
        radial-gradient(circle at 50% 100%, rgba(59, 130, 246, .12), transparent 40%),
        #020817;
}

.glow {
    position: absolute;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: .18;
    animation: floatingGlow 12s ease-in-out infinite alternate;
}

.glow.one { top: -150px; left: -100px; background: #2563eb; }
.glow.two { right: -150px; bottom: -100px; background: #06b6d4; animation-delay: 3s; }
.glow.three { left: 40%; top: 40%; width: 300px; height: 300px; background: #7c3aed; animation-delay: 6s; }

@keyframes floatingGlow {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to { transform: translate3d(80px, -50px, 0) scale(1.25); }
}

.grid-background {
    position: absolute;
    inset: 0;
    opacity: .13;
    background-image:
        linear-gradient(rgba(59, 130, 246, .25) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, .25) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(500px) rotateX(60deg) scale(1.5);
    transform-origin: center bottom;
    animation: gridMove 15s linear infinite;
}

@keyframes gridMove {
    from { background-position: 0 0, 0 0; }
    to { background-position: 0 60px, 60px 0; }
}

.stars-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 6px #fff, 0 0 12px #38bdf8;
    animation: moveStar linear infinite, twinkle ease-in-out infinite alternate;
}

@keyframes moveStar { from { transform: translateY(0); } to { transform: translateY(-100vh); } }
@keyframes twinkle { from { opacity: .2; } to { opacity: 1; } }


/* =========================================================
   NAVBAR (DESKTOP)
========================================================= */
.navbar {
    max-width: 1200px;
    margin: 20px auto;
    padding: 15px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 100;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 20px;
    color: #fff;
}

.logo-box {
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    font-size: 14px;
}

.nav-links li:not(:last-child) a {
    padding: 8px 16px;
    border-radius: 10px;
    color: #cbd5e1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.nav-links li:not(:last-child) a:hover {
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-2px);
}

.nav-login-btn {
    background: linear-gradient(135deg, #2563eb, #06b6d4) !important;
    color: #fff !important;
    padding: 10px 22px !important;
    border-radius: 12px !important;
    font-weight: 700 !important;
    display: inline-flex !important;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4) !important;
    border: 1px solid rgba(56, 189, 248, 0.5) !important;
}

.nav-login-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6) !important;
    background: linear-gradient(135deg, #1d4ed8, #0891b2) !important;
}

/* پنهان کردن دکمه همبرگری در دسکتاپ */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

.hamburger span {
    width: 100%;
    height: 3px;
    background: #38bdf8;
    border-radius: 4px;
    transition: all 0.3s ease;
}


/* =========================================================
   HERO & OTHER SECTIONS
========================================================= */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 550px;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    align-items: center;
    gap: 40px;
    padding: 40px 25px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    margin-bottom: 20px;
    border: 1px solid rgba(96, 165, 250, .45);
    border-radius: 50px;
    background: rgba(37, 99, 235, .10);
    color: #93c5fd;
    font-size: 13px;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 58px);
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #60a5fa, #22d3ee, #fff, #34d399, #60a5fa);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientText 6s ease infinite;
}

@keyframes gradientText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero h2 {
    font-size: clamp(20px, 3vw, 28px);
    margin-bottom: 18px;
    color: #f1f5f9;
}

.hero-description {
    color: #94a3b8;
    line-height: 2;
    font-size: 14px;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    transition: .3s;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    box-shadow: 0 10px 25px rgba(37, 99, 235, .25);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(37, 99, 235, .35);
}

.btn-secondary {
    border: 1px solid rgba(148, 163, 184, .4);
    background: rgba(255, 255, 255, .04);
    color: white;
}

.btn-secondary:hover {
    border-color: #38bdf8;
    background: rgba(56, 189, 248, .08);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.laptop-mockup {
    width: 100%;
    max-width: 420px;
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, .5));
}

.floating-icon {
    position: absolute;
    background: rgba(15, 23, 42, .85);
    border: 1px solid rgba(56, 189, 248, .3);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(8px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, .3);
    animation: float 4s ease-in-out infinite alternate;
}

.fi-1 { top: 10%; right: -10px; }
.fi-2 { top: 35%; right: -25px; animation-delay: 1s; }
.fi-3 { top: 60%; right: -15px; animation-delay: 2s; }
.fi-4 { top: 80%; right: 10px; animation-delay: 1.5s; }

@keyframes float {
    from { transform: translateY(0); }
    to { transform: translateY(-10px); }
}

.services {
    max-width: 1150px;
    margin: 20px auto 0;
    padding: 0 25px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    padding: 25px 20px;
    border: 1px solid rgba(96, 165, 250, .25);
    border-radius: 20px;
    background: rgba(2, 8, 23, .65);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}

.service {
    text-align: center;
    padding: 12px 8px;
    border-radius: 12px;
    transition: all .3s ease;
    background: rgba(255, 255, 255, .02);
    border: 1px solid rgba(255, 255, 255, .03);
}

.service:hover {
    background: rgba(37, 99, 235, .15);
    border-color: rgba(56, 189, 248, .4);
    transform: translateY(-3px);
}

.service-icon {
    font-size: 38px;
    display: block;
    margin-bottom: 10px;
}

.service span:not(.service-icon) {
    color: #f1f5f9;
    font-size: 14px;
    font-weight: 700;
}

.download-section {
    max-width: 1150px;
    margin: 80px auto 0;
    padding: 0 25px;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-label {
    color: #22d3ee;
    font-size: 13px;
    margin-bottom: 8px;
}

.filter-container {
    max-width: 800px;
    margin: 0 auto 35px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.search-box { width: 100%; max-width: 500px; }
.search-input {
    width: 100%;
    padding: 12px 20px;
    border-radius: 12px;
    background: rgba(15, 23, 42, .8);
    border: 1px solid rgba(56, 189, 248, .3);
    color: #fff;
    font-size: 14px;
    outline: none;
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.cat-btn {
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    color: #cbd5e1;
    font-size: 13px;
    cursor: pointer;
    transition: .3s;
}

.cat-btn:hover, .cat-btn.active {
    background: #2563eb;
    border-color: #38bdf8;
    color: #fff;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
}

.card {
    position: relative;
    padding: 25px;
    border: 1px solid rgba(96, 165, 250, .16);
    border-radius: 20px;
    background: rgba(15, 23, 42, .6);
    backdrop-filter: blur(15px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 410px;
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(56, 189, 248, .5);
    background: rgba(15, 23, 42, .8);
}

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 15px; }
.card-icon { width: 55px; height: 55px; object-fit: contain; border-radius: 12px; background: rgba(37, 99, 235, .15); padding: 8px; }
.badge { padding: 4px 10px; border-radius: 20px; background: rgba(37, 99, 235, .2); color: #38bdf8; font-size: 11px; }
.card-badge { padding: 4px 10px; border-radius: 20px; background: rgba(16, 185, 129, .15); color: #6ee7b7; font-size: 10px; font-weight: 700; }
.ad-card h3 { font-size: 18px; margin-bottom: 8px; }
.ad-card p { color: #94a3b8; font-size: 13px; margin-bottom: 15px; }

.card-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 15px 0; }
.meta-item { background: rgba(255, 255, 255, .035); border-radius: 8px; padding: 7px 9px; font-size: 11px; color: #94a3b8; }
.meta-item strong { display: block; color: #cbd5e1; margin-bottom: 2px; }

.download-buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 15px; }
.download-btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px; border-radius: 8px; background: #2563eb; color: white; font-size: 14px; font-weight: 700; transition: .3s; }
.download-btn:hover { background: #1d4ed8; }

.contact-section { max-width: 1150px; margin: 100px auto 0; padding: 0 25px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 30px; margin-top: 30px; }
.contact-info-card, .contact-form { background: rgba(15, 23, 42, .6); border: 1px solid rgba(96, 165, 250, .2); border-radius: 20px; padding: 30px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 13px; color: #94a3b8; }
.form-control { width: 100%; padding: 12px 16px; border-radius: 10px; background: rgba(2, 8, 23, .6); border: 1px solid rgba(255, 255, 255, .1); color: #fff; font-size: 14px; }

footer { margin-top: 100px; padding: 40px 25px; border-top: 1px solid rgba(255, 255, 255, .07); color: #64748b; font-size: 13px; text-align: center; }


/* =========================================================
   RESPONSIVE (MOBILE & TABLET MENU)
========================================================= */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { justify-content: center; }
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-visual { display: none; }
    .contact-grid { grid-template-columns: 1fr; }

    /* نمایش دکمه همبرگری در موبایل */
    .hamburger {
        display: flex;
    }

    /* منوی کشویی موبایل */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 15px; /* فاصله مناسب و یکدست بین گزینه‌ها */
        transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        z-index: 100;
        border-left: 1px solid rgba(56, 189, 248, 0.2);
        padding: 0 30px;
    }

    /* فعال شدن منو هنگام کلیک */
    .nav-links.active {
        right: 0;
    }

    /* هم‌اندازه کردن تمام آیتم‌ها و دکمه‌ها در منوی موبایل */
    .nav-links li {
        width: 100%;
    }

    .nav-links li a,
    .nav-links li:not(:last-child) a,
    .nav-links a.nav-login-btn {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        padding: 12px 20px !important;
        text-align: center !important;
        border-radius: 12px !important;
        font-size: 15px !important;
        box-sizing: border-box !important;
    }

    /* استایل اختصاصی لینک‌های معمولی داخل منوی موبایل */
    .nav-links li:not(:last-child) a {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: #cbd5e1;
    }

    /* انیمیشن تبدیل همبرگری به ضربدر (X) */
    .hamburger.active span:nth-child(1) {
        transform: translateY(9.5px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-9.5px) rotate(-45deg);
    }
}
@media (max-width: 600px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .container { grid-template-columns: 1fr; }
    .card { min-height: auto; }
}