/* ---------- متغیرهای تم (روز/شب) ---------- */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.9);
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --input-bg: #ffffff;
    --transition: 0.3s ease;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-nav: rgba(15, 23, 42, 0.95);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --input-bg: #1e293b;
}

/* ---------- ریست & پایه ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition), color var(--transition);
    line-height: 1.6;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- نوار ناوبری ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-nav);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition), border-color var(--transition);
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 6px;
}

.logo i {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    list-style: none;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s, transform 0.2s;
    padding: 6px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--accent);
    transform: scale(1.1);
}

.lang-btn {
    font-weight: 600;
    font-size: 0.9rem;
    background: var(--bg-secondary);
    padding: 6px 14px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: all 0.2s;
}

.lang-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 4px;
    transition: all 0.3s;
}

/* ---------- هیرو با تصویر ثابت (parallax) ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 80px;
    background-color: var(--bg-primary);
    transition: background var(--transition);
    overflow: hidden;
}

.hero-bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('logo.png');
    background-size: cover;
    background-position: center;
    opacity: 0.30;
    z-index: 0;
    transition: opacity 0.3s;
}

[data-theme="dark"] .hero-bg-image {
    opacity: 0.10;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 40px 20px;
}

.hero-logo {
    font-size: 5rem;
    font-weight: 900;
    color: var(--accent);
    letter-spacing: -2px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.hero-logo i {
    font-size: 4.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    padding: 14px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(37, 99, 235, 0.35);
}

/* ---------- بخش‌های عمومی ---------- */
section {
    padding: 80px 0;
    background-color: var(--bg-primary);
    transition: background var(--transition);
}

section:nth-child(even) {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 50px;
    font-size: 1.05rem;
}

/* ---------- درباره ما ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    background: var(--bg-card);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.about-image {
    background: var(--bg-card);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('banner-secondary.jpg');
    background-size: cover;
    background-position: center;
    transition: all 0.3s;
}

/* ---------- خدمات ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    padding: 30px 24px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.service-card i {
    font-size: 2.8rem;
    color: var(--accent);
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ---------- برندها (اسلایدر) ---------- */
.brands-slider-wrapper,
.careers-slider-wrapper {
    position: relative;
    overflow: hidden;
}

.brands-slider,
.careers-slider {
    display: flex;
    transition: transform 0.5s ease;
    gap: 20px;
	margin-top: 10px;
}

.brand-slide,
.career-slide {
    flex: 0 0 calc(33.333% - 20px);
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.brand-slide:hover,
.career-slide:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.brand-slide i {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 12px;
}

.brand-slide h3,
.career-slide h3 {
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.brand-slide p,
.career-slide p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.career-slide ul {
    list-style: none;
    text-align: right;
    padding: 0;
    margin-top: 10px;
}

.career-slide ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.career-slide ul li::before {
    content: "•";
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.slider-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}

.slider-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ---------- شمارنده پویا (مشتریان) ---------- */
.counter-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 50px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.counter-box {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 10px;
}

.counter-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.counter-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.counter-description {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 500px;
    text-align: center;
}

/* ---------- مشتریان (گرید) ---------- */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    align-items: center;
}

.client-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px 10px;
    text-align: center;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.client-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow);
}

.client-item i {
    font-size: 3rem;
    color: var(--text-muted);
    opacity: 0.7;
}

.client-item span {
    font-weight: 500;
    color: var(--text-secondary);
}

/* ---------- تماس با ما (با تصویر برند) ---------- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 10px;
}

.contact-brand i {
    font-size: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    padding: 18px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--accent);
    width: 40px;
    text-align: center;
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-item .label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contact-item .value {
    font-weight: 500;
}

/* کلاس برای نمایش اعداد به صورت چپ‌چین (مانند شماره تلفن) */
.ltr {
    direction: ltr;
    unicode-bidi: plaintext;
}

.contact-form {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: border 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
}

.contact-form .btn-primary {
    width: 100%;
    text-align: center;
}

/* ---------- فوتر ---------- */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: all var(--transition);
}

footer .social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 12px;
}

footer .social-links a {
    color: var(--text-muted);
    font-size: 1.3rem;
    transition: color 0.2s;
}

footer .social-links a:hover {
    color: var(--accent);
}

/* ---------- واکنش‌گرایی ---------- */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    .hero h1 {
        font-size: 2.4rem;
    }
    .brand-slide,
    .career-slide {
        flex: 0 0 calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-nav);
        backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 30px 0;
        gap: 20px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-120%);
        transition: transform 0.4s ease;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }
    .nav-links.open {
        transform: translateY(0);
    }
    .hamburger {
        display: flex;
    }
    .hero-logo {
        font-size: 3.5rem;
    }
    .hero h1 {
        font-size: 1.8rem;
    }
    .section-title {
        font-size: 1.8rem;
    }
    .about-stats {
        grid-template-columns: 1fr 1fr;
    }
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .brand-slide,
    .career-slide {
        flex: 0 0 calc(100% - 20px);
    }
}

@media (max-width: 480px) {
    .hero-logo {
        font-size: 2.8rem;
    }
    .hero p {
        font-size: 1rem;
    }
    .about-stats {
        grid-template-columns: 1fr;
    }
    .nav-controls .lang-btn span {
        display: none;
    }
    .counter-number {
        font-size: 3rem;
    }
}

/* ---------- افکت Fade-in ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* منوی فعال */
.nav-links a.active {
    color: var(--accent);
}
.nav-links a.active::after {
    width: 100%;
}

/* دکمه بازدید سایت */
.btn-visit {
    display: inline-block;
    padding: 6px 16px;
    margin-top: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background: transparent;
    border: 2px solid var(--accent);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}
.btn-visit:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* تنظیمات برای کارت‌های مشتریان */
.client-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px 10px;
    text-align: center;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.client-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow);
}
.client-item i {
    font-size: 3rem;
    color: var(--text-muted);
    opacity: 0.7;
}
.client-item .client-name {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 1rem;
}
.client-item .btn-visit {
    margin-top: 6px;
}

/* تنظیمات برند اسلایدر برای دکمه */
.brand-slide .btn-visit {
    margin-top: 8px;
}