:root {
    --primary: #007AFF; /* Bright Blue */
    --secondary: #6C5CE7; /* Purple */
    --accent: #00D2D3; /* Teal */
    --text-main: #2D3436;
    --text-muted: #636E72;
    --bg-main: #FFFFFF;
    --bg-alt: #F9FAFB;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow: 0 15px 30px rgba(0, 122, 255, 0.1);
    --radius: 20px;
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
    direction: ltr; /* App is in English based on screenshot */
}

.rtl { direction: rtl; font-family: 'Inter', sans-serif; }

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

/* Nav */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: 0.3s;
}

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

/* Hero */
.hero {
    padding: 120px 0;
    background: radial-gradient(circle at top right, rgba(108, 92, 231, 0.05), transparent),
                radial-gradient(circle at bottom left, rgba(0, 122, 255, 0.05), transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 18px 36px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px rgba(0, 122, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 122, 255, 0.3);
}

.hero-mockup img {
    width: 320px;
    border-radius: 45px;
    box-shadow: 0 50px 100px rgba(0,0,0,0.1);
    border: 10px solid #1a1a1a;
}

/* Features */
.features {
    padding: 100px 0;
    background: var(--bg-alt);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: 0.3s;
}

.feature-card:hover { transform: translateY(-10px); }

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--secondary);
}

/* Developer Section */
.dev-section {
    padding: 100px 0;
}

.dev-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px;
    border-radius: 40px;
    display: flex;
    gap: 50px;
    align-items: center;
    flex-wrap: wrap;
}

.dev-info h2 { font-size: 2.5rem; margin-bottom: 10px; }
.dev-info h3 { color: var(--primary); margin-bottom: 20px; }

.tech-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    list-style: none;
    margin-top: 30px;
}

.tech-list li::before {
    content: '✅';
    margin-right: 10px;
}

/* Footer */
footer {
    padding: 60px 0;
    text-align: center;
    background: var(--text-main);
    color: white;
}

@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content h1 { font-size: 3rem; }
}