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

body {
    font-family: "Tajawal", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #E9F4F6; /* الخلفية التي اخترتها (3) */
    color: #233547;
    line-height: 1.8;
}

/* شريط علوي */
.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 7vw;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid rgba(150, 180, 200, 0.4);
    position: sticky;
    top: 0;
    z-index: 50;
}

.logo-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 0%, #ffffff, #8be3ff);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.logo-letter {
    font-weight: 800;
    font-size: 20px;
    color: #1b365d;
}

.top-nav {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.nav-link {
    font-size: 14px;
    padding: 6px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: #405874;
    background: transparent;
    border: 1px solid transparent;
    transition: 0.2s ease;
}

.nav-link:hover {
    border-color: rgba(88, 133, 214, 0.4);
    background: rgba(255, 255, 255, 0.9);
}

.nav-link.active {
    background: linear-gradient(135deg, #7d9bff, #46d0d4);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(94, 148, 255, 0.4);
}

/* قسم الهيرو */
.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 32px;
    padding: 40px 7vw 24px;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-label {
    font-size: 13px;
    color: #5a7b92;
    letter-spacing: 0.08em;
}

.hero-title {
    font-size: 44px;
    font-weight: 800;
    color: #1f3552;
}

.hero-subtitle {
    font-size: 20px;
    font-weight: 600;
    color: #47678b;
}

.hero-desc {
    margin-top: 4px;
    font-size: 15px;
    color: #46576a;
}

.hero-actions {
    margin-top: 16px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.btn-main,
.btn-ghost {
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-main {
    background: linear-gradient(135deg, #7d9bff, #46d0d