@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    --primary: #00a8ff;
    --primary-dark: #0088cc;
    --primary-light: #33bbff;
    --secondary: #c0c0c0;
    --dark-900: #0a0a0a;
    --dark-800: #121212;
    --dark-700: #1a1a1a;
    --dark-600: #2a2a2a;
    --spacing: 1rem;
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-900);
    color: #e5e5e5;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-light);
}

/* ===== RTL SUPPORT ===== */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .container {
    direction: rtl;
}

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

.text-center {
    text-align: center;
}

.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.glow {
    box-shadow: 0 0 15px rgba(0, 168, 255, 0.3);
}

.glow:hover {
    box-shadow: 0 0 25px rgba(0, 168, 255, 0.5);
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo img {
    width: 50px;
    height: 50px;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.1);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-subtitle {
    font-size: 0.65rem;
    color: #888;
    font-weight: 400;
}

/* Language Switcher - Always Visible */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    order: 2;
}

.lang-link {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition);
}

.lang-link:hover,
.lang-link.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Hamburger Menu - CSS Only */
.menu-toggle {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    order: 1;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* Desktop Navigation */
nav {
    order: 3;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: #ccc;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 168, 255, 0.4);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .header-container {
        flex-wrap: wrap;
    }

    .lang-switcher {
        order: 3;
        margin-left: auto;
    }

    nav {
        order: 4;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .menu-toggle:checked~nav {
        max-height: 500px;
    }

    .menu-toggle:checked~.hamburger span:nth-child(1) {
        transform: rotate(45deg) translate(7px, 7px);
    }

    .menu-toggle:checked~.hamburger span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle:checked~.hamburger span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .nav-links {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0.9));
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: #ccc;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ===== SECTION STYLES ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #999;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ===== CARD STYLES ===== */
.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition);
}

.card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(0, 168, 255, 0.3);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2);
}

.card img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.card:hover img {
    transform: scale(1.05);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
}

.card p {
    color: #aaa;
    line-height: 1.7;
}

/* ===== FEATURE CARDS ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: white;
}

.feature-item p {
    color: #999;
}

/* ===== IMAGE CONTAINERS ===== */
.img-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    margin: 2rem 0;
}

.img-container img {
    width: 100%;
    transition: transform 0.5s ease;
}

.img-container:hover img {
    transform: scale(1.1);
}

/* ===== LIST STYLES ===== */
.benefit-list {
    list-style: none;
    margin: 2rem 0;
}

.benefit-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: #ccc;
}

.benefit-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

[dir="rtl"] .benefit-list li {
    padding-left: 0;
    padding-right: 2rem;
}

[dir="rtl"] .benefit-list li::before {
    left: auto;
    right: 0;
}

/* ===== CONTACT FORM ===== */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #ccc;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

button[type="submit"] {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

button[type="submit"]:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 168, 255, 0.4);
}

/* ===== FOOTER ===== */
footer {
    background: var(--dark-800);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #999;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    text-align: center;
    color: #666;
    font-size: 0.875rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes glow {
    from {
        box-shadow: 0 0 5px rgba(0, 168, 255, 0.3);
    }

    to {
        box-shadow: 0 0 20px rgba(0, 168, 255, 0.6);
    }
}

.animated-glow {
    animation: glow 2s ease-in-out infinite alternate;
}

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

/* Focus styles */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}